src/dns/dns.conf
src/dv/Makefile
src/dv/dv.conf
-src/env/Makefile
src/exit/Makefile
src/fragmentation/Makefile
src/fs/Makefile
src/peerstore/Makefile
src/peerstore/peerstore.conf
src/postgres/Makefile
+src/psycutil/Makefile
src/psyc/Makefile
src/psyc/psyc.conf
src/psycstore/Makefile
EXP_DIR = \
dv \
multicast \
- env \
+ psycutil \
psycstore \
psyc \
rps \
+++ /dev/null
-# This Makefile.am is in the public domain
-AM_CPPFLAGS = -I$(top_srcdir)/src/include
-
-pkgcfgdir= $(pkgdatadir)/config.d/
-
-libexecdir= $(pkglibdir)/libexec/
-
-if MINGW
- WINFLAGS = -Wl,--no-undefined -Wl,--export-all-symbols
-endif
-
-if USE_COVERAGE
- AM_CFLAGS = --coverage -O0
- XLIB = -lgcov
-endif
-
-lib_LTLIBRARIES = libgnunetenv.la
-
-libgnunetenv_la_SOURCES = \
- env.c
-libgnunetenv_la_LIBADD = \
- $(top_builddir)/src/util/libgnunetutil.la \
- $(GN_LIBINTL) $(XLIB)
-libgnunetenv_la_LDFLAGS = \
- $(GN_LIB_LDFLAGS) $(WINFLAGS) \
- -version-info 0:0:0
-
-if HAVE_TESTING
-check_PROGRAMS = \
- test_env
-endif
-
-if ENABLE_TEST_RUN
-AM_TESTS_ENVIRONMENT=export GNUNET_PREFIX=$${GNUNET_PREFIX:-@libdir@};export PATH=$${GNUNET_PREFIX:-@prefix@}/bin:$$PATH;
-TESTS = $(check_PROGRAMS)
-endif
-
-test_env_SOURCES = \
- test_env.c
-test_env_LDADD = \
- libgnunetenv.la \
- $(top_builddir)/src/testing/libgnunettesting.la \
- $(top_builddir)/src/util/libgnunetutil.la
+++ /dev/null
-/*
- * This file is part of GNUnet.
- * Copyright (C) 2013 Christian Grothoff (and other contributing authors)
- *
- * GNUnet is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation; either version 3, or (at your
- * option) any later version.
- *
- * GNUnet is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNUnet; see the file COPYING. If not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-/**
- * @file env/env.c
- * @brief Library providing operations for the @e environment of
- * PSYC and Social messages, and for (de)serializing variable values.
- * @author Gabor X Toth
- */
-
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_env_lib.h"
-
-/**
- * Environment for a message.
- *
- * Contains modifiers.
- */
-struct GNUNET_ENV_Environment
-{
- struct GNUNET_ENV_Modifier *mod_head;
- struct GNUNET_ENV_Modifier *mod_tail;
- size_t mod_count;
-};
-
-
-/**
- * Create an environment.
- *
- * @return A newly allocated environment.
- */
-struct GNUNET_ENV_Environment *
-GNUNET_ENV_environment_create ()
-{
- return GNUNET_new (struct GNUNET_ENV_Environment);
-}
-
-
-/**
- * Add a modifier to the environment.
- *
- * @param env The environment.
- * @param oper Operation to perform.
- * @param name Name of the variable.
- * @param value Value of the variable.
- * @param value_size Size of @a value.
- */
-void
-GNUNET_ENV_environment_add (struct GNUNET_ENV_Environment *env,
- enum GNUNET_ENV_Operator oper, const char *name,
- const void *value, size_t value_size)
-{
- struct GNUNET_ENV_Modifier *mod = GNUNET_new (struct GNUNET_ENV_Modifier);
- mod->oper = oper;
- mod->name = name;
- mod->value = value;
- mod->value_size = value_size;
- GNUNET_CONTAINER_DLL_insert_tail (env->mod_head, env->mod_tail, mod);
- env->mod_count++;
-}
-
-
-/**
- * Get the first modifier of the environment.
- */
-struct GNUNET_ENV_Modifier *
-GNUNET_ENV_environment_head (const struct GNUNET_ENV_Environment *env)
-{
- return env->mod_head;
-}
-
-
-/**
- * Get the last modifier of the environment.
- */
-struct GNUNET_ENV_Modifier *
-GNUNET_ENV_environment_tail (const struct GNUNET_ENV_Environment *env)
-{
- return env->mod_tail;
-}
-
-
-/**
- * Remove a modifier from the environment.
- */
-void
-GNUNET_ENV_environment_remove (struct GNUNET_ENV_Environment *env,
- struct GNUNET_ENV_Modifier *mod)
-{
- GNUNET_CONTAINER_DLL_remove (env->mod_head, env->mod_tail, mod);
-}
-
-
-/**
- * Get the modifier at the beginning of an environment and remove it.
- *
- * @param env
- * @param oper
- * @param name
- * @param value
- * @param value_size
- *
- * @return
- */
-int
-GNUNET_ENV_environment_shift (struct GNUNET_ENV_Environment *env,
- enum GNUNET_ENV_Operator *oper, const char **name,
- const void **value, size_t *value_size)
-{
- if (NULL == env->mod_head)
- return GNUNET_NO;
-
- struct GNUNET_ENV_Modifier *mod = env->mod_head;
- *oper = mod->oper;
- *name = mod->name;
- *value = mod->value;
- *value_size = mod->value_size;
-
- GNUNET_CONTAINER_DLL_remove (env->mod_head, env->mod_tail, mod);
- GNUNET_free (mod);
- env->mod_count--;
-
- return GNUNET_YES;
-}
-
-
-/**
- * Iterate through all modifiers in the environment.
- *
- * @param env The environment.
- * @param it Iterator.
- * @param it_cls Closure for iterator.
- */
-void
-GNUNET_ENV_environment_iterate (const struct GNUNET_ENV_Environment *env,
- GNUNET_ENV_Iterator it, void *it_cls)
-{
- struct GNUNET_ENV_Modifier *mod;
- for (mod = env->mod_head; NULL != mod; mod = mod->next)
- it (it_cls, mod->oper, mod->name, mod->value, mod->value_size);
-}
-
-
-/**
- * Get the number of modifiers in the environment.
- *
- * @param env The environment.
- *
- * @return Number of modifiers.
- */
-size_t
-GNUNET_ENV_environment_get_count (const struct GNUNET_ENV_Environment *env)
-{
- return env->mod_count;
-}
-
-
-/**
- * Destroy an environment.
- *
- * @param env The environment to destroy.
- */
-void
-GNUNET_ENV_environment_destroy (struct GNUNET_ENV_Environment *env)
-{
- struct GNUNET_ENV_Modifier *mod, *prev = NULL;
- for (mod = env->mod_head; NULL != mod; mod = mod->next)
- {
- if (NULL != prev)
- GNUNET_free (prev);
- prev = mod;
- }
- if (NULL != prev)
- GNUNET_free (prev);
-
- GNUNET_free (env);
-}
+++ /dev/null
-/*
- * This file is part of GNUnet.
- * Copyright (C) 2013 Christian Grothoff (and other contributing authors)
- *
- * GNUnet is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation; either version 3, or (at your
- * option) any later version.
- *
- * GNUnet is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNUnet; see the file COPYING. If not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-/**
- * @file env/test_env.c
- * @brief Tests for the environment library.
- * @author Gabor X Toth
- */
-
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_testing_lib.h"
-#include "gnunet_env_lib.h"
-
-struct GNUNET_ENV_Modifier mods[] = {
- { .oper = GNUNET_ENV_OP_SET,
- .name = "_foo", .value = "foo", .value_size = 3 },
-
- { .oper = GNUNET_ENV_OP_ASSIGN,
- .name = "_foo_bar", .value = "foo bar", .value_size = 7 },
-
- { .oper = GNUNET_ENV_OP_AUGMENT,
- .name = "_foo_bar_baz", .value = "foo bar baz", .value_size = 11 }
-};
-
-struct ItCls
-{
- size_t n;
-};
-
-int
-iterator (void *cls, enum GNUNET_ENV_Operator oper,
- const char *name, const char *value, uint32_t value_size)
-{
- struct ItCls *it_cls = cls;
- struct GNUNET_ENV_Modifier *m = &mods[it_cls->n++];
-
- GNUNET_assert (oper == m->oper);
- GNUNET_assert (value_size == m->value_size);
- GNUNET_assert (0 == memcmp (name, m->name, strlen (m->name)));
- GNUNET_assert (0 == memcmp (value, m->value, m->value_size));
-
- return GNUNET_YES;
-}
-
-int
-main (int argc, char *argv[])
-{
- GNUNET_log_setup ("test-env", "WARNING", NULL);
-
- struct GNUNET_ENV_Environment *env = GNUNET_ENV_environment_create ();
- GNUNET_assert (NULL != env);
- int i, len = 3;
-
- for (i = 0; i < len; i++)
- {
- GNUNET_ENV_environment_add (env, mods[i].oper, mods[i].name,
- mods[i].value, mods[i].value_size);
- }
-
- struct ItCls it_cls = { .n = 0 };
- GNUNET_ENV_environment_iterate (env, iterator, &it_cls);
- GNUNET_assert (len == it_cls.n);
-
- for (i = 0; i < len; i++)
- {
- enum GNUNET_ENV_Operator oper;
- const char *name;
- const void *value;
- size_t value_size;
- GNUNET_ENV_environment_shift (env, &oper, &name, &value, &value_size);
- GNUNET_assert (len - i - 1 == GNUNET_ENV_environment_get_count (env));
- }
-
- GNUNET_ENV_environment_destroy (env);
-
- return 0;
-}
gnunet_dnsstub_lib.h \
gnunet_dns_service.h \
gnunet_dv_service.h \
- gnunet_env_lib.h \
gnunet_fragmentation_lib.h \
gnunet_friends_lib.h \
gnunet_fs_service.h \
gnunet_psycstore_service.h \
gnunet_psyc_service.h \
gnunet_psyc_util_lib.h \
+ gnunet_psyc_env.h \
+ gnunet_psyc_message.h \
+ gnunet_psyc_slicer.h \
gnunet_program_lib.h \
gnunet_protocols.h \
gnunet_resolver_service.h \
+++ /dev/null
-/*
- * This file is part of GNUnet.
- * Copyright (C) 2013 Christian Grothoff (and other contributing authors)
- *
- * GNUnet is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation; either version 3, or (at your
- * option) any later version.
- *
- * GNUnet is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNUnet; see the file COPYING. If not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-/**
- * @author Gabor X Toth
- *
- * @file
- * Environment library
- *
- * @defgroup env Environment library
- * Environment data structure for PSYC and Social messages.
- *
- * Library providing operations for the @e environment of
- * PSYC and Social messages, and for (de)serializing variable values.
- *
- * @{
- */
-
-
-#ifndef GNUNET_ENV_LIB_H
-#define GNUNET_ENV_LIB_H
-
-#ifdef __cplusplus
-extern "C"
-{
-#if 0 /* keep Emacsens' auto-indent happy */
-}
-#endif
-#endif
-
-
-/**
- * Possible operations on PSYC state (persistent) and transient variables (per message).
- */
-enum GNUNET_ENV_Operator
-{
- /**
- * Set value of a transient variable.
- */
- GNUNET_ENV_OP_SET = ':',
-
- /**
- * Assign value for a persistent state variable.
- *
- * If an assigned value is NULL, the variable is deleted.
- */
- GNUNET_ENV_OP_ASSIGN = '=',
-
- /**
- * Augment state variable.
- *
- * Used for appending strings, adding numbers, and adding new items to a list or dictionary.
- */
- GNUNET_ENV_OP_AUGMENT = '+',
-
- /**
- * Diminish state variable.
- *
- * Used for subtracting numbers, and removing items from a list or dictionary.
- */
- GNUNET_ENV_OP_DIMINISH = '-',
-
- /**
- * Update state variable.
- *
- * Used for modifying a single item of a list or dictionary.
- */
- GNUNET_ENV_OP_UPDATE = '@',
-};
-
-
-/**
- * PSYC variable types.
- */
-enum GNUNET_ENV_Type
-{
- GNUNET_ENV_TYPE_DATA = 0,
- GNUNET_ENV_TYPE_NUMBER,
- GNUNET_ENV_TYPE_LIST,
- GNUNET_ENV_TYPE_DICT
-};
-
-
-/**
- * PSYC state modifier.
- */
-struct GNUNET_ENV_Modifier
-{
- /**
- * State operation.
- */
- enum GNUNET_ENV_Operator oper;
-
- /**
- * Variable name.
- */
- const char *name;
-
- /**
- * Size of @a value.
- */
- size_t value_size;
-
- /**
- * Value of variable.
- */
- const void *value;
-
- /**
- * Next modifier.
- */
- struct GNUNET_ENV_Modifier *next;
-
- /**
- * Previous modifier.
- */
- struct GNUNET_ENV_Modifier *prev;
-};
-
-
-/**
- * Environment for a message.
- *
- * Contains modifiers.
- */
-struct GNUNET_ENV_Environment;
-
-
-/**
- * Create an environment.
- *
- * @return A newly allocated environment.
- */
-struct GNUNET_ENV_Environment *
-GNUNET_ENV_environment_create ();
-
-
-/**
- * Add a modifier to the environment.
- *
- * @param env The environment.
- * @param oper Operation to perform.
- * @param name Name of the variable.
- * @param value Value of the variable.
- * @param value_size Size of @a value.
- */
-void
-GNUNET_ENV_environment_add (struct GNUNET_ENV_Environment *env,
- enum GNUNET_ENV_Operator oper, const char *name,
- const void *value, size_t value_size);
-
-
-/**
- * Get the first modifier of the environment.
- */
-struct GNUNET_ENV_Modifier *
-GNUNET_ENV_environment_head (const struct GNUNET_ENV_Environment *env);
-
-
-
-/**
- * Get the last modifier of the environment.
- */
-struct GNUNET_ENV_Modifier *
-GNUNET_ENV_environment_tail (const struct GNUNET_ENV_Environment *env);
-
-
-/**
- * Remove a modifier from the environment.
- */
-void
-GNUNET_ENV_environment_remove (struct GNUNET_ENV_Environment *env,
- struct GNUNET_ENV_Modifier *mod);
-
-
-/**
- * Remove a modifier at the beginning of the environment.
- */
-int
-GNUNET_ENV_environment_shift (struct GNUNET_ENV_Environment *env,
- enum GNUNET_ENV_Operator *oper, const char **name,
- const void **value, size_t *value_size);
-
-
-/**
- * Iterator for modifiers in the environment.
- *
- * @param cls Closure.
- * @param mod Modifier.
- *
- * @return #GNUNET_YES to continue iterating,
- * #GNUNET_NO to stop.
- */
-typedef int
-(*GNUNET_ENV_Iterator) (void *cls, enum GNUNET_ENV_Operator oper,
- const char *name, const char *value,
- uint32_t value_size);
-
-
-/**
- * Iterate through all modifiers in the environment.
- *
- * @param env The environment.
- * @param it Iterator.
- * @param it_cls Closure for iterator.
- */
-void
-GNUNET_ENV_environment_iterate (const struct GNUNET_ENV_Environment *env,
- GNUNET_ENV_Iterator it, void *it_cls);
-
-
-/**
- * Get the number of modifiers in the environment.
- *
- * @param env The environment.
- *
- * @return Number of modifiers.
- */
-size_t
-GNUNET_ENV_environment_get_count (const struct GNUNET_ENV_Environment *env);
-
-
-/**
- * Destroy an environment.
- *
- * @param env The environment to destroy.
- */
-void
-GNUNET_ENV_environment_destroy (struct GNUNET_ENV_Environment *env);
-
-
-/**
- * Get the type of variable.
- *
- * @param name Name of the variable.
- *
- * @return Variable type.
- */
-enum GNUNET_ENV_Type
-GNUNET_ENV_var_get_type (char *name);
-
-
-/**
- * Perform an operation on a variable.
- *
- * @param name Name of variable.
- * @param current_value Current value of variable.
- * @param current_value_size Size of @a current_value.
- * @param oper Operator.
- * @param args Arguments for the operation.
- * @param args_size Size of @a args.
- * @param return_value Return value.
- * @param return_value_size Size of @a return_value.
- *
- * @return #GNUNET_OK on success, else #GNUNET_SYSERR
- */
-int
-GNUNET_ENV_operation (char *name, void *current_value, size_t current_value_size,
- enum GNUNET_ENV_Operator oper, void *args, size_t args_size,
- void **return_value, size_t *return_value_size);
-
-
-/**
- * Get the variable's value as an integer.
- *
- * @param size Size of value.
- * @param value Raw value of variable.
- * @param[out] number Value converted to a 64-bit integer.
- *
- * @return #GNUNET_OK on success, #GNUNET_SYSERR if an error occurred (e.g. the value is invalid).
- */
-int
-GNUNET_ENV_value_to_number (size_t size, const void *value, int64_t *number);
-
-
-/**
- * Get the variable's value as a dictionary.
- *
- * @param size Size of value.
- * @param value Raw value of variable.
- * @param[out] dict A newly created hashmap holding the elements of the dictionary.
- *
- * @return #GNUNET_OK on success, #GNUNET_SYSERR if an error occurred (e.g. the value is invalid).
- */
-int
-GNUNET_ENV_value_to_dict (size_t size, const void *value, struct GNUNET_CONTAINER_MultiHashMap **dict);
-
-
-/**
- * Create a PSYC variable value from an integer.
- *
- * @param number The number to convert.
- * @param[out] value_size Size of returned value.
- *
- * @return A newly allocated value or NULL on error.
- */
-void *
-GNUNET_ENV_value_from_number (int64_t number, size_t *value_size);
-
-
-/**
- * Create a PSYC variable value from a dictionary.
- *
- * @param dict The dict to convert.
- * @param[out] value_size Size of returned value.
- *
- * @return A newly allocated value or NULL on error.
- */
-void *
-GNUNET_ENV_value_from_dict (struct GNUNET_CONTAINER_MultiHashMap *dict, size_t *value_size);
-
-
-#if 0 /* keep Emacsens' auto-indent happy */
-{
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-/* ifndef GNUNET_ENV_LIB_H */
-#endif
-
-/** @} */ /* end of group */
--- /dev/null
+/*
+ * This file is part of GNUnet.
+ * Copyright (C) 2013 Christian Grothoff (and other contributing authors)
+ *
+ * GNUnet is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 3, or (at your
+ * option) any later version.
+ *
+ * GNUnet is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNUnet; see the file COPYING. If not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * @author Gabor X Toth
+ *
+ * @file
+ * PSYC Environment library
+ *
+ * @defgroup psyc-util-env PSYC Utilities library: Environment
+ * Environment data structure operations for PSYC and Social messages.
+ *
+ * Library providing operations for the @e environment of
+ * PSYC and Social messages, and for (de)serializing variable values.
+ *
+ * @{
+ */
+
+
+#ifndef GNUNET_PSYC_ENV_H
+#define GNUNET_PSYC_ENV_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0 /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+
+/**
+ * Possible operations on PSYC state (persistent) and transient variables (per message).
+ */
+enum GNUNET_PSYC_Operator
+{
+ /**
+ * Set value of a transient variable.
+ */
+ GNUNET_PSYC_OP_SET = ':',
+
+ /**
+ * Assign value for a persistent state variable.
+ *
+ * If an assigned value is NULL, the variable is deleted.
+ */
+ GNUNET_PSYC_OP_ASSIGN = '=',
+
+ /**
+ * Augment state variable.
+ *
+ * Used for appending strings, adding numbers, and adding new items to a list or dictionary.
+ */
+ GNUNET_PSYC_OP_AUGMENT = '+',
+
+ /**
+ * Diminish state variable.
+ *
+ * Used for subtracting numbers, and removing items from a list or dictionary.
+ */
+ GNUNET_PSYC_OP_DIMINISH = '-',
+
+ /**
+ * Update state variable.
+ *
+ * Used for modifying a single item of a list or dictionary.
+ */
+ GNUNET_PSYC_OP_UPDATE = '@',
+};
+
+
+/**
+ * PSYC variable types.
+ */
+enum GNUNET_PSYC_Type
+{
+ GNUNET_PSYC_TYPE_DATA = 0,
+ GNUNET_PSYC_TYPE_NUMBER,
+ GNUNET_PSYC_TYPE_LIST,
+ GNUNET_PSYC_TYPE_DICT
+};
+
+
+/**
+ * PSYC state modifier.
+ */
+struct GNUNET_PSYC_Modifier
+{
+ /**
+ * State operation.
+ */
+ enum GNUNET_PSYC_Operator oper;
+
+ /**
+ * Variable name.
+ */
+ const char *name;
+
+ /**
+ * Size of @a value.
+ */
+ size_t value_size;
+
+ /**
+ * Value of variable.
+ */
+ const void *value;
+
+ /**
+ * Next modifier.
+ */
+ struct GNUNET_PSYC_Modifier *next;
+
+ /**
+ * Previous modifier.
+ */
+ struct GNUNET_PSYC_Modifier *prev;
+};
+
+
+/**
+ * Environment for a message.
+ *
+ * Contains modifiers.
+ */
+struct GNUNET_PSYC_Environment;
+
+
+/**
+ * Create an environment.
+ *
+ * @return A newly allocated environment.
+ */
+struct GNUNET_PSYC_Environment *
+GNUNET_PSYC_env_create ();
+
+
+/**
+ * Add a modifier to the environment.
+ *
+ * @param env The environment.
+ * @param oper Operation to perform.
+ * @param name Name of the variable.
+ * @param value Value of the variable.
+ * @param value_size Size of @a value.
+ */
+void
+GNUNET_PSYC_env_add (struct GNUNET_PSYC_Environment *env,
+ enum GNUNET_PSYC_Operator oper, const char *name,
+ const void *value, size_t value_size);
+
+
+/**
+ * Get the first modifier of the environment.
+ */
+struct GNUNET_PSYC_Modifier *
+GNUNET_PSYC_env_head (const struct GNUNET_PSYC_Environment *env);
+
+
+
+/**
+ * Get the last modifier of the environment.
+ */
+struct GNUNET_PSYC_Modifier *
+GNUNET_PSYC_env_tail (const struct GNUNET_PSYC_Environment *env);
+
+
+/**
+ * Remove a modifier from the environment.
+ */
+void
+GNUNET_PSYC_env_remove (struct GNUNET_PSYC_Environment *env,
+ struct GNUNET_PSYC_Modifier *mod);
+
+
+/**
+ * Remove a modifier at the beginning of the environment.
+ */
+int
+GNUNET_PSYC_env_shift (struct GNUNET_PSYC_Environment *env,
+ enum GNUNET_PSYC_Operator *oper, const char **name,
+ const void **value, size_t *value_size);
+
+
+/**
+ * Iterator for modifiers in the environment.
+ *
+ * @param cls Closure.
+ * @param mod Modifier.
+ *
+ * @return #GNUNET_YES to continue iterating,
+ * #GNUNET_NO to stop.
+ */
+typedef int
+(*GNUNET_PSYC_Iterator) (void *cls, enum GNUNET_PSYC_Operator oper,
+ const char *name, const char *value,
+ uint32_t value_size);
+
+
+/**
+ * Iterate through all modifiers in the environment.
+ *
+ * @param env The environment.
+ * @param it Iterator.
+ * @param it_cls Closure for iterator.
+ */
+void
+GNUNET_PSYC_env_iterate (const struct GNUNET_PSYC_Environment *env,
+ GNUNET_PSYC_Iterator it, void *it_cls);
+
+
+/**
+ * Get the number of modifiers in the environment.
+ *
+ * @param env The environment.
+ *
+ * @return Number of modifiers.
+ */
+size_t
+GNUNET_PSYC_env_get_count (const struct GNUNET_PSYC_Environment *env);
+
+
+/**
+ * Destroy an environment.
+ *
+ * @param env The environment to destroy.
+ */
+void
+GNUNET_PSYC_env_destroy (struct GNUNET_PSYC_Environment *env);
+
+
+/**
+ * Get the type of variable.
+ *
+ * @param name Name of the variable.
+ *
+ * @return Variable type.
+ */
+enum GNUNET_PSYC_Type
+GNUNET_PSYC_var_get_type (char *name);
+
+
+/**
+ * Perform an operation on a variable.
+ *
+ * @param name Name of variable.
+ * @param current_value Current value of variable.
+ * @param current_value_size Size of @a current_value.
+ * @param oper Operator.
+ * @param args Arguments for the operation.
+ * @param args_size Size of @a args.
+ * @param return_value Return value.
+ * @param return_value_size Size of @a return_value.
+ *
+ * @return #GNUNET_OK on success, else #GNUNET_SYSERR
+ */
+int
+GNUNET_PSYC_operation (char *name, void *current_value, size_t current_value_size,
+ enum GNUNET_PSYC_Operator oper, void *args, size_t args_size,
+ void **return_value, size_t *return_value_size);
+
+
+/**
+ * Get the variable's value as an integer.
+ *
+ * @param size Size of value.
+ * @param value Raw value of variable.
+ * @param[out] number Value converted to a 64-bit integer.
+ *
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR if an error occurred (e.g. the value is invalid).
+ */
+int
+GNUNET_PSYC_value_to_number (size_t size, const void *value, int64_t *number);
+
+
+/**
+ * Get the variable's value as a dictionary.
+ *
+ * @param size Size of value.
+ * @param value Raw value of variable.
+ * @param[out] dict A newly created hashmap holding the elements of the dictionary.
+ *
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR if an error occurred (e.g. the value is invalid).
+ */
+int
+GNUNET_PSYC_value_to_dict (size_t size, const void *value, struct GNUNET_CONTAINER_MultiHashMap **dict);
+
+
+/**
+ * Create a PSYC variable value from an integer.
+ *
+ * @param number The number to convert.
+ * @param[out] value_size Size of returned value.
+ *
+ * @return A newly allocated value or NULL on error.
+ */
+void *
+GNUNET_PSYC_value_from_number (int64_t number, size_t *value_size);
+
+
+/**
+ * Create a PSYC variable value from a dictionary.
+ *
+ * @param dict The dict to convert.
+ * @param[out] value_size Size of returned value.
+ *
+ * @return A newly allocated value or NULL on error.
+ */
+void *
+GNUNET_PSYC_value_from_dict (struct GNUNET_CONTAINER_MultiHashMap *dict, size_t *value_size);
+
+
+#if 0 /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+/* ifndef GNUNET_PSYC_ENV_H */
+#endif
+
+/** @} */ /* end of group */
--- /dev/null
+/*
+ This file is part of GNUnet.
+ Copyright (C) 2012, 2013 Christian Grothoff (and other contributing authors)
+
+ GNUnet is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3, or (at your
+ option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNUnet; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+/**
+ * @author Gabor X Toth
+ *
+ * @file
+ * PSYC message utilities; receiving/transmitting/logging PSYC messages
+ *
+ * @defgroup psyc-util-message PSYC Utilities library: Messages
+ * Receiving, transmitting, logging PSYC messages.
+ * @{
+ */
+
+#ifndef GNUNET_PSYC_MESSAGE_H
+#define GNUNET_PSYC_MESSAGE_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0 /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+
+#include "gnunet_util_lib.h"
+#include "gnunet_psyc_util_lib.h"
+#include "gnunet_psyc_service.h"
+
+
+/**
+ * Create a PSYC message.
+ *
+ * @param method_name
+ * PSYC method for the message.
+ * @param env
+ * Environment for the message.
+ * @param data
+ * Data payload for the message.
+ * @param data_size
+ * Size of @a data.
+ *
+ * @return Message header with size information,
+ * followed by the message parts.
+ */
+struct GNUNET_PSYC_Message *
+GNUNET_PSYC_message_create (const char *method_name,
+ const struct GNUNET_PSYC_Environment *env,
+ const void *data,
+ size_t data_size);
+
+/**
+ * Parse PSYC message.
+ *
+ * @param msg
+ * The PSYC message to parse.
+ * @param env
+ * The environment for the message with a list of modifiers.
+ * @param[out] method_name
+ * Pointer to the method name inside @a pmsg.
+ * @param[out] data
+ * Pointer to data inside @a pmsg.
+ * @param[out] data_size
+ * Size of @data is written here.
+ *
+ * @return #GNUNET_OK on success,
+ * #GNUNET_SYSERR on parse error.
+ */
+int
+GNUNET_PSYC_message_parse (const struct GNUNET_PSYC_MessageHeader *msg,
+ const char **method_name,
+ struct GNUNET_PSYC_Environment *env,
+ const void **data,
+ uint16_t *data_size);
+
+
+void
+GNUNET_PSYC_log_message (enum GNUNET_ErrorType kind,
+ const struct GNUNET_MessageHeader *msg);
+
+
+int
+GNUNET_PSYC_check_message_parts (uint16_t data_size, const char *data,
+ uint16_t *first_ptype, uint16_t *last_ptype);
+
+
+struct GNUNET_PSYC_TransmitHandle;
+
+/**
+ * Create a transmission handle.
+ */
+struct GNUNET_PSYC_TransmitHandle *
+GNUNET_PSYC_transmit_create ();
+
+
+/**
+ * Destroy a transmission handle.
+ */
+void
+GNUNET_PSYC_transmit_destroy (struct GNUNET_PSYC_TransmitHandle *tmit);
+
+
+/**
+ * Transmit a message.
+ *
+ * @param tmit
+ * Transmission handle.
+ * @param method_name
+ * Which method should be invoked.
+ * @param env
+ * Environment for the message.
+ * Should stay available until the first call to notify_data.
+ * Can be NULL if there are no modifiers or @a notify_mod is
+ * provided instead.
+ * @param notify_mod
+ * Function to call to obtain modifiers.
+ * Can be NULL if there are no modifiers or @a env is provided instead.
+ * @param notify_data
+ * Function to call to obtain fragments of the data.
+ * @param notify_cls
+ * Closure for @a notify_mod and @a notify_data.
+ * @param flags
+ * Flags for the message being transmitted.
+ *
+ * @return #GNUNET_OK if the transmission was started.
+ * #GNUNET_SYSERR if another transmission is already going on.
+ */
+int
+GNUNET_PSYC_transmit_message (struct GNUNET_PSYC_TransmitHandle *tmit,
+ const char *method_name,
+ const struct GNUNET_PSYC_Environment *env,
+ GNUNET_PSYC_TransmitNotifyModifier notify_mod,
+ GNUNET_PSYC_TransmitNotifyData notify_data,
+ void *notify_cls,
+ uint32_t flags);
+
+
+/**
+ * Resume transmission.
+ *
+ * @param tmit Transmission handle.
+ */
+void
+GNUNET_PSYC_transmit_resume (struct GNUNET_PSYC_TransmitHandle *tmit);
+
+
+/**
+ * Abort transmission request.
+ *
+ * @param tmit Transmission handle.
+ */
+void
+GNUNET_PSYC_transmit_cancel (struct GNUNET_PSYC_TransmitHandle *tmit);
+
+
+/**
+ * Got acknowledgement of a transmitted message part, continue transmission.
+ *
+ * @param tmit Transmission handle.
+ */
+void
+GNUNET_PSYC_transmit_got_ack (struct GNUNET_PSYC_TransmitHandle *tmit);
+
+
+struct GNUNET_PSYC_ReceiveHandle;
+
+
+/**
+ * Create handle for receiving messages.
+ */
+struct GNUNET_PSYC_ReceiveHandle *
+GNUNET_PSYC_receive_create (GNUNET_PSYC_MessageCallback message_cb,
+ GNUNET_PSYC_MessagePartCallback message_part_cb,
+ void *cb_cls);
+
+
+/**
+ * Destroy handle for receiving messages.
+ */
+void
+GNUNET_PSYC_receive_destroy (struct GNUNET_PSYC_ReceiveHandle *recv);
+
+
+/**
+ * Reset stored data related to the last received message.
+ */
+void
+GNUNET_PSYC_receive_reset (struct GNUNET_PSYC_ReceiveHandle *recv);
+
+
+/**
+ * Handle incoming PSYC message.
+ *
+ * @param recv Receive handle.
+ * @param msg The message.
+ *
+ * @return #GNUNET_OK on success,
+ * #GNUNET_SYSERR on receive error.
+ */
+int
+GNUNET_PSYC_receive_message (struct GNUNET_PSYC_ReceiveHandle *recv,
+ const struct GNUNET_PSYC_MessageHeader *msg);
+
+
+/**
+ * Check if @a data contains a series of valid message parts.
+ *
+ * @param data_size Size of @a data.
+ * @param data Data.
+ * @param[out] first_ptype Type of first message part.
+ * @param[out] last_ptype Type of last message part.
+ *
+ * @return Number of message parts found in @a data.
+ * or GNUNET_SYSERR if the message contains invalid parts.
+ */
+int
+GNUNET_PSYC_receive_check_parts (uint16_t data_size, const char *data,
+ uint16_t *first_ptype, uint16_t *last_ptype);
+
+
+/**
+ * Initialize PSYC message header.
+ */
+void
+GNUNET_PSYC_message_header_init (struct GNUNET_PSYC_MessageHeader *pmsg,
+ const struct GNUNET_MULTICAST_MessageHeader *mmsg,
+ uint32_t flags);
+
+
+/**
+ * Create a new PSYC message header from a multicast message for sending it to clients.
+ */
+struct GNUNET_PSYC_MessageHeader *
+GNUNET_PSYC_message_header_create (const struct GNUNET_MULTICAST_MessageHeader *mmsg,
+ uint32_t flags);
+
+
+/**
+ * Create a new PSYC message header from a PSYC message.
+ */
+struct GNUNET_PSYC_MessageHeader *
+GNUNET_PSYC_message_header_create_from_psyc (const struct GNUNET_PSYC_Message *msg);
+
+
+#if 0 /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+/* ifndef GNUNET_PSYC_MESSAGE_H */
+#endif
+
+/** @} */ /* end of group */
#endif
#include "gnunet_util_lib.h"
-#include "gnunet_env_lib.h"
#include "gnunet_multicast_service.h"
//Mingw work around
#ifdef MINGW
* notification on failure (as the channel may simply take days to approve,
* and disapproval is simply being ignored).
*
- * @param cfg Configuration to use.
- * @param channel_key ECC public key that identifies the channel we wish to join.
- * @param slave_key ECC private-public key pair that identifies the slave, and
+ * @param cfg
+ * Configuration to use.
+ * @param channel_pub_key
+ * ECC public key that identifies the channel we wish to join.
+ * @param slave_key
+ * ECC private-public key pair that identifies the slave, and
* used by multicast to sign the join request and subsequent unicast
* requests sent to the master.
- * @param origin Peer identity of the origin.
- * @param relay_count Number of peers in the @a relays array.
- * @param relays Peer identities of members of the multicast group, which serve
+ * @param flags
+ * Join flags.
+ * @param origin
+ * Peer identity of the origin.
+ * @param relay_count
+ * Number of peers in the @a relays array.
+ * @param relays
+ * Peer identities of members of the multicast group, which serve
* as relays and used to join the group at.
- * @param message_cb Function to invoke on message parts received from the
- * channel, typically at least contains method handlers for @e join and
- * @e part.
- * @param slave_connect_cb Function invoked once we have connected to the
- * PSYC service.
- * @param join_decision_cb Function invoked once we have received a join
- * decision.
- * @param cls Closure for @a message_cb and @a slave_joined_cb.
- * @param method_name Method name for the join request.
- * @param env Environment containing transient variables for the request, or NULL.
- * @param data Payload for the join message.
- * @param data_size Number of bytes in @a data.
+ * @param message_cb
+ * Function to invoke on message fragments received from the channel.
+ * @param message_part_cb
+ * Function to invoke on message parts received from the channel.
+ * @param slave_connect_cb
+ * Function invoked once we have connected to the PSYC service.
+ * @param join_decision_cb
+ * Function invoked once we have received a join decision.
+ * @param cls
+ * Closure for @a message_cb and @a slave_joined_cb.
+ * @param join_msg
+ * Join message.
*
* @return Handle for the slave, NULL on error.
*/
struct GNUNET_PSYC_Slave *
GNUNET_PSYC_slave_join (const struct GNUNET_CONFIGURATION_Handle *cfg,
- const struct GNUNET_CRYPTO_EddsaPublicKey *channel_key,
+ const struct GNUNET_CRYPTO_EddsaPublicKey *channel_pub_key,
const struct GNUNET_CRYPTO_EcdsaPrivateKey *slave_key,
enum GNUNET_PSYC_SlaveJoinFlags flags,
const struct GNUNET_PeerIdentity *origin,
--- /dev/null
+/*
+ This file is part of GNUnet.
+ Copyright (C) 2013 Christian Grothoff (and other contributing authors)
+
+ GNUnet is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3, or (at your
+ option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNUnet; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+/**
+ * @author Gabor X Toth
+ * @author Christian Grothoff
+ *
+ * @file
+ * PSYC Slicer library
+ *
+ * @defgroup psyc-util-slicer PSYC Utilities library: Slicer
+ * Try-and-slice processing of PSYC method names and environment.
+ * @{
+ */
+
+#ifndef GNUNET_PSYC_SLICER_H
+#define GNUNET_PSYC_SLICER_H
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0 /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+#include "gnunet_util_lib.h"
+
+
+/**
+ * Handle to an implementation of try-and-slice.
+ */
+struct GNUNET_PSYC_Slicer;
+
+
+/**
+ * Function called upon receiving a message indicating a call to a @e method.
+ *
+ * This function is called one or more times for each message until all data
+ * fragments arrive from the network.
+ *
+ * @param cls
+ * Closure.
+ * @param msg
+ * Message part, as it arrived from the network.
+ * @param message_id
+ * Message counter, monotonically increasing from 1.
+ * @param nym
+ * The sender of the message.
+ * Can be NULL if the message is not connected to a pseudonym.
+ * @param flags
+ * OR'ed GNUNET_PSYC_MessageFlags
+ * @param method_name
+ * Original method name from PSYC.
+ * May be more specific than the registered method name due to
+ * try-and-slice matching.
+ */
+typedef void
+(*GNUNET_PSYC_MethodCallback) (void *cls,
+ const struct GNUNET_PSYC_MessageMethod *msg,
+ uint64_t message_id,
+ uint32_t flags,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *nym_pub_key,
+ const char *method_name);
+
+
+/**
+ * Function called upon receiving a modifier of a message.
+ *
+ * @param cls
+ * Closure.
+ * @param message_id
+ * Message ID this data fragment belongs to.
+ * @param msg
+ * Message part, as it arrived from the network.
+ * @param oper
+ * Operation to perform.
+ * 0 in case of a modifier continuation.
+ * @param name
+ * Name of the modifier.
+ * NULL in case of a modifier continuation.
+ * @param value
+ * Value of the modifier.
+ * @param value_size
+ * Size of @value.
+ */
+typedef void
+(*GNUNET_PSYC_ModifierCallback) (void *cls,
+ const struct GNUNET_MessageHeader *msg,
+ uint64_t message_id,
+ enum GNUNET_PSYC_Operator oper,
+ const char *name,
+ const void *value,
+ uint16_t value_size,
+ uint16_t full_value_size);
+
+
+/**
+ * Function called upon receiving a data fragment of a message.
+ *
+ * @param cls
+ * Closure.
+ * @param message_id
+ * Message ID this data fragment belongs to.
+ * @param msg
+ * Message part, as it arrived from the network.
+ * @param data_offset
+ * Byte offset of @a data in the overall data of the method.
+ * @param data_size
+ * Number of bytes in @a data.
+ * @param data
+ * Data stream given to the method.
+ * @param end
+ * End of message?
+ * #GNUNET_NO if there are further fragments,
+ * #GNUNET_YES if this is the last fragment,
+ * #GNUNET_SYSERR indicates the message was cancelled by the sender.
+ */
+typedef void
+(*GNUNET_PSYC_DataCallback) (void *cls,
+ const struct GNUNET_MessageHeader *msg,
+ uint64_t message_id,
+ uint64_t data_offset,
+ const void *data,
+ uint16_t data_size);
+
+
+/**
+ * End of message.
+ *
+ * @param cls
+ * Closure.
+ * @param msg
+ * Message part, as it arrived from the network.
+ * @param message_id
+ * Message ID this data fragment belongs to.
+ * @param cancelled
+ * #GNUNET_YES if the message was cancelled,
+ * #GNUNET_NO if the message is complete.
+ */
+typedef void
+(*GNUNET_PSYC_EndOfMessageCallback) (void *cls,
+ const struct GNUNET_MessageHeader *msg,
+ uint64_t message_id,
+ uint8_t cancelled);
+
+
+/**
+ * Create a try-and-slice instance.
+ *
+ * A slicer processes incoming messages and notifies callbacks about matching
+ * methods or modifiers encountered.
+ *
+ * @return A new try-and-slice construct.
+ */
+struct GNUNET_PSYC_Slicer *
+GNUNET_PSYC_slicer_create (void);
+
+
+/**
+ * Add a method to the try-and-slice instance.
+ *
+ * The callbacks are called for messages with a matching @a method_name prefix.
+ *
+ * @param slicer
+ * The try-and-slice instance to extend.
+ * @param method_name
+ * Name of the given method, use empty string to match all.
+ * @param method_cb
+ * Method handler invoked upon a matching message.
+ * @param modifier_cb
+ * Modifier handler, invoked after @a method_cb
+ * for each modifier in the message.
+ * @param data_cb
+ * Data handler, invoked after @a modifier_cb for each data fragment.
+ * @param eom_cb
+ * Invoked upon reaching the end of a matching message.
+ * @param cls
+ * Closure for the callbacks.
+ */
+void
+GNUNET_PSYC_slicer_method_add (struct GNUNET_PSYC_Slicer *slicer,
+ const char *method_name,
+ GNUNET_PSYC_MethodCallback method_cb,
+ GNUNET_PSYC_ModifierCallback modifier_cb,
+ GNUNET_PSYC_DataCallback data_cb,
+ GNUNET_PSYC_EndOfMessageCallback eom_cb,
+ void *cls);
+
+/**
+ * Remove a registered method from the try-and-slice instance.
+ *
+ * Removes one matching handler registered with the given
+ * @a method_name and callbacks.
+ *
+ * @param slicer
+ * The try-and-slice instance.
+ * @param method_name
+ * Name of the method to remove.
+ * @param method_cb
+ * Method handler.
+ * @param modifier_cb
+ * Modifier handler.
+ * @param data_cb
+ * Data handler.
+ * @param eom_cb
+ * End of message handler.
+ *
+ * @return #GNUNET_OK if a method handler was removed,
+ * #GNUNET_NO if no handler matched the given method name and callbacks.
+ */
+int
+GNUNET_PSYC_slicer_method_remove (struct GNUNET_PSYC_Slicer *slicer,
+ const char *method_name,
+ GNUNET_PSYC_MethodCallback method_cb,
+ GNUNET_PSYC_ModifierCallback modifier_cb,
+ GNUNET_PSYC_DataCallback data_cb,
+ GNUNET_PSYC_EndOfMessageCallback eom_cb);
+
+
+/**
+ * Watch a place for changed objects.
+ *
+ * @param slicer
+ * The try-and-slice instance.
+ * @param object_filter
+ * Object prefix to match.
+ * @param modifier_cb
+ * Function to call when encountering a state modifier.
+ * @param cls
+ * Closure for callback.
+ */
+void
+GNUNET_PSYC_slicer_modifier_add (struct GNUNET_PSYC_Slicer *slicer,
+ const char *object_filter,
+ GNUNET_PSYC_ModifierCallback modifier_cb,
+ void *cls);
+
+
+/**
+ * Remove a registered modifier from the try-and-slice instance.
+ *
+ * Removes one matching handler registered with the given
+ * @a object_filter and callback.
+ *
+ * @param slicer
+ * The try-and-slice instance.
+ * @param object_filter
+ * Object prefix to match.
+ * @param modifier_cb
+ * Function to call when encountering a state modifier changes.
+ */
+int
+GNUNET_PSYC_slicer_modifier_remove (struct GNUNET_PSYC_Slicer *slicer,
+ const char *object_filter,
+ GNUNET_PSYC_ModifierCallback modifier_cb);
+
+
+/**
+ * Process an incoming message part and call matching handlers.
+ *
+ * @param cls
+ * Closure.
+ * @param message_id
+ * ID of the message.
+ * @param flags
+ * Flags for the message.
+ * @see enum GNUNET_PSYC_MessageFlags
+ * @param msg
+ * The message part. as it arrived from the network.
+ */
+void
+GNUNET_PSYC_slicer_message (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *slave_pub_key,
+ uint64_t message_id,
+ uint32_t flags,
+ uint64_t fragment_offset,
+ const struct GNUNET_MessageHeader *msg);
+
+
+/**
+ * Destroy a given try-and-slice instance.
+ *
+ * @param slicer
+ * Slicer to destroy
+ */
+void
+GNUNET_PSYC_slicer_destroy (struct GNUNET_PSYC_Slicer *slicer);
+
+
+#if 0 /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+/* ifndef GNUNET_PSYC_SLICER_H */
+#endif
+
+/** @} */ /* end of group */
* @author Gabor X Toth
*
* @file
- * PSYC utilities; receiving/transmitting/logging PSYC messages
- *
- * @defgroup psyc-util PSYC Utilities library
- * Receiving, transmitting, logging PSYC messages.
- * @{
+ * PSYC utilities: messages, environment, slicer
*/
#ifndef GNUNET_PSYC_UTIL_LIB_H
#endif
#endif
-#include "gnunet_util_lib.h"
-#include "gnunet_env_lib.h"
-#include "gnunet_psyc_service.h"
-
-
-/**
- * Create a PSYC message.
- *
- * @param method_name
- * PSYC method for the message.
- * @param env
- * Environment for the message.
- * @param data
- * Data payload for the message.
- * @param data_size
- * Size of @a data.
- *
- * @return Message header with size information,
- * followed by the message parts.
- */
-struct GNUNET_PSYC_Message *
-GNUNET_PSYC_message_create (const char *method_name,
- const struct GNUNET_ENV_Environment *env,
- const void *data,
- size_t data_size);
-
-/**
- * Parse PSYC message.
- *
- * @param msg
- * The PSYC message to parse.
- * @param env
- * The environment for the message with a list of modifiers.
- * @param[out] method_name
- * Pointer to the method name inside @a pmsg.
- * @param[out] data
- * Pointer to data inside @a pmsg.
- * @param[out] data_size
- * Size of @data is written here.
- *
- * @return #GNUNET_OK on success,
- * #GNUNET_SYSERR on parse error.
- */
-int
-GNUNET_PSYC_message_parse (const struct GNUNET_PSYC_MessageHeader *msg,
- const char **method_name,
- struct GNUNET_ENV_Environment *env,
- const void **data,
- uint16_t *data_size);
-
-
-void
-GNUNET_PSYC_log_message (enum GNUNET_ErrorType kind,
- const struct GNUNET_MessageHeader *msg);
-
-
-int
-GNUNET_PSYC_check_message_parts (uint16_t data_size, const char *data,
- uint16_t *first_ptype, uint16_t *last_ptype);
-
-
-struct GNUNET_PSYC_TransmitHandle;
-
-/**
- * Create a transmission handle.
- */
-struct GNUNET_PSYC_TransmitHandle *
-GNUNET_PSYC_transmit_create ();
-
-
-/**
- * Destroy a transmission handle.
- */
-void
-GNUNET_PSYC_transmit_destroy (struct GNUNET_PSYC_TransmitHandle *tmit);
-
-
-/**
- * Transmit a message.
- *
- * @param tmit
- * Transmission handle.
- * @param method_name
- * Which method should be invoked.
- * @param env
- * Environment for the message.
- * Should stay available until the first call to notify_data.
- * Can be NULL if there are no modifiers or @a notify_mod is
- * provided instead.
- * @param notify_mod
- * Function to call to obtain modifiers.
- * Can be NULL if there are no modifiers or @a env is provided instead.
- * @param notify_data
- * Function to call to obtain fragments of the data.
- * @param notify_cls
- * Closure for @a notify_mod and @a notify_data.
- * @param flags
- * Flags for the message being transmitted.
- *
- * @return #GNUNET_OK if the transmission was started.
- * #GNUNET_SYSERR if another transmission is already going on.
- */
-int
-GNUNET_PSYC_transmit_message (struct GNUNET_PSYC_TransmitHandle *tmit,
- const char *method_name,
- const struct GNUNET_ENV_Environment *env,
- GNUNET_PSYC_TransmitNotifyModifier notify_mod,
- GNUNET_PSYC_TransmitNotifyData notify_data,
- void *notify_cls,
- uint32_t flags);
-
-
-/**
- * Resume transmission.
- *
- * @param tmit Transmission handle.
- */
-void
-GNUNET_PSYC_transmit_resume (struct GNUNET_PSYC_TransmitHandle *tmit);
-
-
-/**
- * Abort transmission request.
- *
- * @param tmit Transmission handle.
- */
-void
-GNUNET_PSYC_transmit_cancel (struct GNUNET_PSYC_TransmitHandle *tmit);
-
-
-/**
- * Got acknowledgement of a transmitted message part, continue transmission.
- *
- * @param tmit Transmission handle.
- */
-void
-GNUNET_PSYC_transmit_got_ack (struct GNUNET_PSYC_TransmitHandle *tmit);
-
-
-struct GNUNET_PSYC_ReceiveHandle;
-
-
-/**
- * Create handle for receiving messages.
- */
-struct GNUNET_PSYC_ReceiveHandle *
-GNUNET_PSYC_receive_create (GNUNET_PSYC_MessageCallback message_cb,
- GNUNET_PSYC_MessagePartCallback message_part_cb,
- void *cb_cls);
-
-
-/**
- * Destroy handle for receiving messages.
- */
-void
-GNUNET_PSYC_receive_destroy (struct GNUNET_PSYC_ReceiveHandle *recv);
-
-
-/**
- * Reset stored data related to the last received message.
- */
-void
-GNUNET_PSYC_receive_reset (struct GNUNET_PSYC_ReceiveHandle *recv);
-
-
-/**
- * Handle incoming PSYC message.
- *
- * @param recv Receive handle.
- * @param msg The message.
- *
- * @return #GNUNET_OK on success,
- * #GNUNET_SYSERR on receive error.
- */
-int
-GNUNET_PSYC_receive_message (struct GNUNET_PSYC_ReceiveHandle *recv,
- const struct GNUNET_PSYC_MessageHeader *msg);
-
-/**
- * Check if @a data contains a series of valid message parts.
- *
- * @param data_size Size of @a data.
- * @param data Data.
- * @param[out] first_ptype Type of first message part.
- * @param[out] last_ptype Type of last message part.
- *
- * @return Number of message parts found in @a data.
- * or GNUNET_SYSERR if the message contains invalid parts.
- */
-int
-GNUNET_PSYC_receive_check_parts (uint16_t data_size, const char *data,
- uint16_t *first_ptype, uint16_t *last_ptype);
-
-
-/**
- * Initialize PSYC message header.
- */
-void
-GNUNET_PSYC_message_header_init (struct GNUNET_PSYC_MessageHeader *pmsg,
- const struct GNUNET_MULTICAST_MessageHeader *mmsg,
- uint32_t flags);
-
-
-/**
- * Create a new PSYC message header from a multicast message for sending it to clients.
- */
-struct GNUNET_PSYC_MessageHeader *
-GNUNET_PSYC_message_header_create (const struct GNUNET_MULTICAST_MessageHeader *mmsg,
- uint32_t flags);
-
-
-/**
- * Create a new PSYC message header from a PSYC message.
- */
-struct GNUNET_PSYC_MessageHeader *
-GNUNET_PSYC_message_header_create_from_psyc (const struct GNUNET_PSYC_Message *msg);
+#include "gnunet_psyc_env.h"
+#include "gnunet_psyc_message.h"
+#include "gnunet_psyc_slicer.h"
#if 0 /* keep Emacsens' auto-indent happy */
/* ifndef GNUNET_PSYC_UTIL_LIB_H */
#endif
-
-/** @} */ /* end of group */
int
(*state_modify_op) (void *cls,
const struct GNUNET_CRYPTO_EddsaPublicKey *channel_key,
- enum GNUNET_ENV_Operator op,
+ enum GNUNET_PSYC_Operator op,
const char *name, const void *value, size_t value_size);
#endif
#include "gnunet_util_lib.h"
-#include "gnunet_env_lib.h"
+#include "gnunet_psyc_util_lib.h"
#include "gnunet_multicast_service.h"
#include "gnunet_psyc_service.h"
uint64_t max_state_message_id,
uint64_t state_hash_message_id,
size_t modifier_count,
- const struct GNUNET_ENV_Modifier *modifiers,
+ const struct GNUNET_PSYC_Modifier *modifiers,
GNUNET_PSYCSTORE_ResultCallback rcb,
void *rcb_cls);
#include <stdint.h>
#include "gnunet_util_lib.h"
-#include "gnunet_env_lib.h"
+#include "gnunet_psyc_util_lib.h"
#include "gnunet_identity_service.h"
#include "gnunet_namestore_service.h"
#include "gnunet_psyc_service.h"
*/
struct GNUNET_SOCIAL_Guest;
-/**
- * Handle to an implementation of try-and-slice.
- */
-struct GNUNET_SOCIAL_Slicer;
-
-
-
-
/**
* Handle that can be used to reconnect to a place as host.
*/
GNUNET_SOCIAL_nym_get_pub_key_hash (const struct GNUNET_SOCIAL_Nym *nym);
-/**
- * Function called upon receiving a message indicating a call to a @e method.
- *
- * This function is called one or more times for each message until all data
- * fragments arrive from the network.
- *
- * @param cls
- * Closure.
- * @param msg
- * Message part, as it arrived from the network.
- * @param message_id
- * Message counter, monotonically increasing from 1.
- * @param nym
- * The sender of the message.
- * Can be NULL if the message is not connected to a pseudonym.
- * @param flags
- * OR'ed GNUNET_PSYC_MessageFlags
- * @param method_name
- * Original method name from PSYC.
- * May be more specific than the registered method name due to
- * try-and-slice matching.
- */
-typedef void
-(*GNUNET_SOCIAL_MethodCallback) (void *cls,
- const struct GNUNET_PSYC_MessageMethod *msg,
- uint64_t message_id,
- uint32_t flags,
- const struct GNUNET_SOCIAL_Nym *nym,
- const char *method_name);
-
-
-/**
- * Function called upon receiving a modifier of a message.
- *
- * @param cls
- * Closure.
- * @param message_id
- * Message ID this data fragment belongs to.
- * @param msg
- * Message part, as it arrived from the network.
- * @param oper
- * Operation to perform.
- * 0 in case of a modifier continuation.
- * @param name
- * Name of the modifier.
- * NULL in case of a modifier continuation.
- * @param value
- * Value of the modifier.
- * @param value_size
- * Size of @value.
- */
-typedef void
-(*GNUNET_SOCIAL_ModifierCallback) (void *cls,
- const struct GNUNET_MessageHeader *msg,
- uint64_t message_id,
- enum GNUNET_ENV_Operator oper,
- const char *name,
- const void *value,
- uint16_t value_size,
- uint16_t full_value_size);
-
-
-/**
- * Function called upon receiving a data fragment of a message.
- *
- * @param cls
- * Closure.
- * @param message_id
- * Message ID this data fragment belongs to.
- * @param msg
- * Message part, as it arrived from the network.
- * @param data_offset
- * Byte offset of @a data in the overall data of the method.
- * @param data_size
- * Number of bytes in @a data.
- * @param data
- * Data stream given to the method.
- * @param end
- * End of message?
- * #GNUNET_NO if there are further fragments,
- * #GNUNET_YES if this is the last fragment,
- * #GNUNET_SYSERR indicates the message was cancelled by the sender.
- */
-typedef void
-(*GNUNET_SOCIAL_DataCallback) (void *cls,
- const struct GNUNET_MessageHeader *msg,
- uint64_t message_id,
- uint64_t data_offset,
- const void *data,
- uint16_t data_size);
-
-
-/**
- * End of message.
- *
- * @param cls
- * Closure.
- * @param msg
- * Message part, as it arrived from the network.
- * @param message_id
- * Message ID this data fragment belongs to.
- * @param cancelled
- * #GNUNET_YES if the message was cancelled,
- * #GNUNET_NO if the message is complete.
- */
-typedef void
-(*GNUNET_SOCIAL_EndOfMessageCallback) (void *cls,
- const struct GNUNET_MessageHeader *msg,
- uint64_t message_id,
- uint8_t cancelled);
-
-
-/**
- * Create a try-and-slice instance.
- *
- * A slicer processes incoming messages and notifies callbacks about matching
- * methods or modifiers encountered.
- *
- * @return A new try-and-slice construct.
- */
-struct GNUNET_SOCIAL_Slicer *
-GNUNET_SOCIAL_slicer_create (void);
-
-
-/**
- * Add a method to the try-and-slice instance.
- *
- * The callbacks are called for messages with a matching @a method_name prefix.
- *
- * @param slicer
- * The try-and-slice instance to extend.
- * @param method_name
- * Name of the given method, use empty string to match all.
- * @param method_cb
- * Method handler invoked upon a matching message.
- * @param modifier_cb
- * Modifier handler, invoked after @a method_cb
- * for each modifier in the message.
- * @param data_cb
- * Data handler, invoked after @a modifier_cb for each data fragment.
- * @param eom_cb
- * Invoked upon reaching the end of a matching message.
- * @param cls
- * Closure for the callbacks.
- */
-void
-GNUNET_SOCIAL_slicer_method_add (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *method_name,
- GNUNET_SOCIAL_MethodCallback method_cb,
- GNUNET_SOCIAL_ModifierCallback modifier_cb,
- GNUNET_SOCIAL_DataCallback data_cb,
- GNUNET_SOCIAL_EndOfMessageCallback eom_cb,
- void *cls);
-
-/**
- * Remove a registered method from the try-and-slice instance.
- *
- * Removes one matching handler registered with the given
- * @a method_name and callbacks.
- *
- * @param slicer
- * The try-and-slice instance.
- * @param method_name
- * Name of the method to remove.
- * @param method_cb
- * Method handler.
- * @param modifier_cb
- * Modifier handler.
- * @param data_cb
- * Data handler.
- * @param eom_cb
- * End of message handler.
- *
- * @return #GNUNET_OK if a method handler was removed,
- * #GNUNET_NO if no handler matched the given method name and callbacks.
- */
-int
-GNUNET_SOCIAL_slicer_method_remove (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *method_name,
- GNUNET_SOCIAL_MethodCallback method_cb,
- GNUNET_SOCIAL_ModifierCallback modifier_cb,
- GNUNET_SOCIAL_DataCallback data_cb,
- GNUNET_SOCIAL_EndOfMessageCallback eom_cb);
-
-
-/**
- * Watch a place for changed objects.
- *
- * @param slicer
- * The try-and-slice instance.
- * @param object_filter
- * Object prefix to match.
- * @param modifier_cb
- * Function to call when encountering a state modifier.
- * @param cls
- * Closure for callback.
- */
-void
-GNUNET_SOCIAL_slicer_modifier_add (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *object_filter,
- GNUNET_SOCIAL_ModifierCallback modifier_cb,
- void *cls);
-
-
-/**
- * Remove a registered modifier from the try-and-slice instance.
- *
- * Removes one matching handler registered with the given
- * @a object_filter and callback.
- *
- * @param slicer
- * The try-and-slice instance.
- * @param object_filter
- * Object prefix to match.
- * @param modifier_cb
- * Function to call when encountering a state modifier changes.
- */
-int
-GNUNET_SOCIAL_slicer_modifier_remove (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *object_filter,
- GNUNET_SOCIAL_ModifierCallback modifier_cb);
-
-
-/**
- * Destroy a given try-and-slice instance.
- *
- * @param slicer
- * Slicer to destroy
- */
-void
-GNUNET_SOCIAL_slicer_destroy (struct GNUNET_SOCIAL_Slicer *slicer);
-
-
/**
* Function called asking for nym to be admitted to the place.
*
(*GNUNET_SOCIAL_AnswerDoorCallback) (void *cls,
struct GNUNET_SOCIAL_Nym *nym,
const char *method_name,
- struct GNUNET_ENV_Environment *env,
+ struct GNUNET_PSYC_Environment *env,
size_t data_size,
const void *data);
typedef void
(*GNUNET_SOCIAL_FarewellCallback) (void *cls,
const struct GNUNET_SOCIAL_Nym *nym,
- struct GNUNET_ENV_Environment *env);
+ struct GNUNET_PSYC_Environment *env);
/**
GNUNET_SOCIAL_host_enter (const struct GNUNET_SOCIAL_App *app,
const struct GNUNET_SOCIAL_Ego *ego,
enum GNUNET_PSYC_Policy policy,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_HostEnterCallback enter_cb,
GNUNET_SOCIAL_AnswerDoorCallback answer_door_cb,
GNUNET_SOCIAL_FarewellCallback farewell_cb,
*/
struct GNUNET_SOCIAL_Host *
GNUNET_SOCIAL_host_enter_reconnect (struct GNUNET_SOCIAL_HostConnection *hconn,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_HostEnterCallback enter_cb,
GNUNET_SOCIAL_AnswerDoorCallback answer_door_cb,
GNUNET_SOCIAL_FarewellCallback farewell_cb,
void
GNUNET_SOCIAL_host_eject (struct GNUNET_SOCIAL_Host *host,
const struct GNUNET_SOCIAL_Nym *nym,
- struct GNUNET_ENV_Environment *env);
+ struct GNUNET_PSYC_Environment *env);
/**
struct GNUNET_SOCIAL_Announcement *
GNUNET_SOCIAL_host_announce (struct GNUNET_SOCIAL_Host *host,
const char *method_name,
- const struct GNUNET_ENV_Environment *env,
+ const struct GNUNET_PSYC_Environment *env,
GNUNET_PSYC_TransmitNotifyData notify_data,
void *notify_data_cls,
enum GNUNET_SOCIAL_AnnounceFlags flags);
*/
void
GNUNET_SOCIAL_host_leave (struct GNUNET_SOCIAL_Host *hst,
- const struct GNUNET_ENV_Environment *env,
+ const struct GNUNET_PSYC_Environment *env,
GNUNET_ContinuationCallback disconnect_cb,
void *cls);
* Function called upon a guest receives a decision about entry to the place.
*
* @param is_admitted
- * Is the guest admitted to the place?
- * #GNUNET_YES if admitted,
- * #GNUNET_NO if refused entry
- * #GNUNET_SYSERR if the request could not be answered.
- * @param method_name
- * Method for the message sent along with the decision.
- * NULL if no message was sent.
- * @param env
- * Environment with variables for the message.
- * NULL if there are no variables.
- * It has to be freed using GNUNET_ENV_environment_destroy()
- * when it is not needed anymore.
- * @param data_size
- * Size of @data.
+ * Is the guest admitted to the place?
+ * #GNUNET_YES if admitted,
+ * #GNUNET_NO if refused entry,
+ * #GNUNET_SYSERR if the request could not be answered.
* @param data
- * Payload of the message.
+ * Entry response message.
*/
typedef void
(*GNUNET_SOCIAL_EntryDecisionCallback) (void *cls,
uint32_t relay_count,
const struct GNUNET_PeerIdentity *relays,
const struct GNUNET_PSYC_Message *entry_msg,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_GuestEnterCallback local_enter_cb,
GNUNET_SOCIAL_EntryDecisionCallback entry_dcsn_cb,
void *cls);
const char *gns_name,
const char *password,
const struct GNUNET_PSYC_Message *join_msg,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_GuestEnterCallback local_enter_cb,
GNUNET_SOCIAL_EntryDecisionCallback entry_decision_cb,
void *cls);
struct GNUNET_SOCIAL_Guest *
GNUNET_SOCIAL_guest_enter_reconnect (struct GNUNET_SOCIAL_GuestConnection *gconn,
enum GNUNET_PSYC_SlaveJoinFlags flags,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_GuestEnterCallback local_enter_cb,
void *cls);
struct GNUNET_SOCIAL_TalkRequest *
GNUNET_SOCIAL_guest_talk (struct GNUNET_SOCIAL_Guest *guest,
const char *method_name,
- const struct GNUNET_ENV_Environment *env,
+ const struct GNUNET_PSYC_Environment *env,
GNUNET_PSYC_TransmitNotifyData notify_data,
void *notify_data_cls,
enum GNUNET_SOCIAL_TalkFlags flags);
*/
void
GNUNET_SOCIAL_guest_leave (struct GNUNET_SOCIAL_Guest *gst,
- struct GNUNET_ENV_Environment *env,
+ struct GNUNET_PSYC_Environment *env,
GNUNET_ContinuationCallback disconnect_cb,
void *leave_cls);
uint64_t end_message_id,
const char *method_prefix,
uint32_t flags,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_ResultCallback result_cb,
void *cls);
uint64_t message_limit,
const char *method_prefix,
uint32_t flags,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_ResultCallback result_cb,
void *cls);
/* ifndef GNUNET_SOCIAL_SERVICE_H */
#endif
-/** @} */ /* end of group social */
+/** @} */ /* end of group */
psyc_api.c psyc.h
libgnunetpsyc_la_LIBADD = \
$(top_builddir)/src/util/libgnunetutil.la \
- $(top_builddir)/src/env/libgnunetenv.la \
- $(top_builddir)/src/psycstore/libgnunetpsycutil.la \
+ $(top_builddir)/src/psycutil/libgnunetpsycutil.la \
$(GN_LIBINTL) $(XLIB)
libgnunetpsyc_la_LDFLAGS = \
$(GN_LIB_LDFLAGS) $(WINFLAGS) \
$(top_builddir)/src/statistics/libgnunetstatistics.la \
$(top_builddir)/src/multicast/libgnunetmulticast.la \
$(top_builddir)/src/psycstore/libgnunetpsycstore.la \
- $(top_builddir)/src/psycstore/libgnunetpsycutil.la \
+ $(top_builddir)/src/psycutil/libgnunetpsycutil.la \
$(GN_LIBINTL)
gnunet_service_psyc_CFLAGS = $(AM_CFLAGS)
test_psyc.c
test_psyc_LDADD = \
libgnunetpsyc.la \
- $(top_builddir)/src/psycstore/libgnunetpsycutil.la \
+ $(top_builddir)/src/psycutil/libgnunetpsycutil.la \
$(top_builddir)/src/testing/libgnunettesting.la \
$(top_builddir)/src/core/libgnunetcore.la \
- $(top_builddir)/src/env/libgnunetenv.la \
$(top_builddir)/src/util/libgnunetutil.la
EXTRA_DIST = \
mod->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER);
mod->name_size = htons (name_size);
mod->value_size = htonl (value_size);
- mod->oper = htons (GNUNET_ENV_OP_ASSIGN);
+ mod->oper = htons (GNUNET_PSYC_OP_ASSIGN);
memcpy (&mod[1], name, name_size);
memcpy (((char *) &mod[1]) + name_size, value, value_size);
}
#include "platform.h"
#include "gnunet_util_lib.h"
-#include "gnunet_env_lib.h"
#include "gnunet_multicast_service.h"
#include "gnunet_psyc_service.h"
#include "gnunet_psyc_util_lib.h"
#include "gnunet_common.h"
#include "gnunet_util_lib.h"
#include "gnunet_testing_lib.h"
-#include "gnunet_env_lib.h"
#include "gnunet_psyc_util_lib.h"
#include "gnunet_psyc_service.h"
#include "gnunet_core_service.h"
{
struct GNUNET_PSYC_MasterTransmitHandle *mst_tmit;
struct GNUNET_PSYC_SlaveTransmitHandle *slv_tmit;
- struct GNUNET_ENV_Environment *env;
- struct GNUNET_ENV_Modifier *mod;
+ struct GNUNET_PSYC_Environment *env;
+ struct GNUNET_PSYC_Modifier *mod;
char *data[16];
const char *mod_value;
size_t mod_value_size;
{
if (NULL != tmit)
{
- GNUNET_ENV_environment_destroy (tmit->env);
+ GNUNET_PSYC_env_destroy (tmit->env);
GNUNET_free (tmit);
tmit = NULL;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Test #%d: Transmit notify modifier: %lu bytes available, "
"%u modifiers left to process.\n",
- test, *data_size, GNUNET_ENV_environment_get_count (tmit->env));
+ test, *data_size, GNUNET_PSYC_env_get_count (tmit->env));
uint16_t name_size = 0;
size_t value_size = 0;
"Test #%d: Slave sending request to master.\n", test);
tmit = GNUNET_new (struct TransmitClosure);
- tmit->env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (tmit->env, GNUNET_ENV_OP_ASSIGN,
+ tmit->env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (tmit->env, GNUNET_PSYC_OP_ASSIGN,
"_abc", "abc def", 7);
- GNUNET_ENV_environment_add (tmit->env, GNUNET_ENV_OP_ASSIGN,
+ GNUNET_PSYC_env_add (tmit->env, GNUNET_PSYC_OP_ASSIGN,
"_abc_def", "abc def ghi", 11);
- tmit->mod = GNUNET_ENV_environment_head (tmit->env);
+ tmit->mod = GNUNET_PSYC_env_head (tmit->env);
tmit->n = 0;
tmit->data[0] = "slave test";
tmit->data_count = 1;
GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Test #%d: Joining slave.\n");
struct GNUNET_PeerIdentity origin = this_peer;
- struct GNUNET_ENV_Environment *env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (env, GNUNET_ENV_OP_ASSIGN,
+ struct GNUNET_PSYC_Environment *env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (env, GNUNET_PSYC_OP_ASSIGN,
"_foo", "bar baz", 7);
- GNUNET_ENV_environment_add (env, GNUNET_ENV_OP_ASSIGN,
+ GNUNET_PSYC_env_add (env, GNUNET_PSYC_OP_ASSIGN,
"_foo_bar", "foo bar baz", 11);
struct GNUNET_PSYC_Message *
join_msg = GNUNET_PSYC_message_create ("_request_join", env, "some data", 9);
join_msg);
GNUNET_free (join_msg);
slv_chn = GNUNET_PSYC_slave_get_channel (slv);
- GNUNET_ENV_environment_destroy (env);
+ GNUNET_PSYC_env_destroy (env);
}
val_cont[i] = (0 == j % 10000) ? '0' + j / 10000 : '!';
tmit = GNUNET_new (struct TransmitClosure);
- tmit->env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (tmit->env, GNUNET_ENV_OP_ASSIGN,
+ tmit->env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (tmit->env, GNUNET_PSYC_OP_ASSIGN,
"_foo", "bar baz", 7);
- GNUNET_ENV_environment_add (tmit->env, GNUNET_ENV_OP_ASSIGN,
+ GNUNET_PSYC_env_add (tmit->env, GNUNET_PSYC_OP_ASSIGN,
name_max, val_max,
GNUNET_PSYC_MODIFIER_MAX_PAYLOAD
- name_max_size);
- GNUNET_ENV_environment_add (tmit->env, GNUNET_ENV_OP_ASSIGN,
+ GNUNET_PSYC_env_add (tmit->env, GNUNET_PSYC_OP_ASSIGN,
"_foo_bar", "foo bar baz", 11);
- GNUNET_ENV_environment_add (tmit->env, GNUNET_ENV_OP_ASSIGN,
+ GNUNET_PSYC_env_add (tmit->env, GNUNET_PSYC_OP_ASSIGN,
name_cont, val_cont,
GNUNET_PSYC_MODIFIER_MAX_PAYLOAD - name_cont_size
+ GNUNET_PSYC_MOD_CONT_MAX_PAYLOAD);
- tmit->mod = GNUNET_ENV_environment_head (tmit->env);
+ tmit->mod = GNUNET_PSYC_env_head (tmit->env);
tmit->data[0] = "foo";
tmit->data[1] = GNUNET_malloc (GNUNET_PSYC_DATA_MAX_PAYLOAD + 1);
for (i = 0; i < GNUNET_PSYC_DATA_MAX_PAYLOAD; i++)
endif
endif
-lib_LTLIBRARIES = libgnunetpsycutil.la libgnunetpsycstore.la
-
-libgnunetpsycutil_la_SOURCES = \
- psyc_util_lib.c
-libgnunetpsycutil_la_LIBADD = \
- $(top_builddir)/src/util/libgnunetutil.la \
- $(top_builddir)/src/env/libgnunetenv.la \
- $(GN_LIBINTL) $(XLIB)
-libgnunetpsycutil_la_LDFLAGS = \
- $(GN_LIB_LDFLAGS) $(WINFLAGS) \
- -version-info 0:0:0
+lib_LTLIBRARIES = libgnunetpsycstore.la
libgnunetpsycstore_la_SOURCES = \
psycstore_api.c \
gnunet_service_psycstore_LDADD = \
$(top_builddir)/src/statistics/libgnunetstatistics.la \
$(top_builddir)/src/util/libgnunetutil.la \
- libgnunetpsycutil.la \
+ $(top_builddir)/src/psycutil/libgnunetpsycutil.la \
$(GN_LIBINTL)
plugin_LTLIBRARIES = \
const char *name = (const char *) &pmod[1];
const void *value = name + name_size;
- if (GNUNET_ENV_OP_SET != pmod->oper)
+ if (GNUNET_PSYC_OP_SET != pmod->oper)
{ // Apply non-transient operation.
if (psize == sizeof (*pmod) + name_size + value_size)
{
}
case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
- if (GNUNET_ENV_OP_SET != scls->mod_oper)
+ if (GNUNET_PSYC_OP_SET != scls->mod_oper)
{
if (scls->mod_value_remaining == 0)
{
#include "gnunet_psycstore_service.h"
#include "gnunet_multicast_service.h"
#include "gnunet_crypto_lib.h"
-#include "gnunet_env_lib.h"
+#include "gnunet_psyc_util_lib.h"
#include "psycstore.h"
#include <sqlite3.h>
static int
state_modify_op (void *cls,
const struct GNUNET_CRYPTO_EddsaPublicKey *channel_key,
- enum GNUNET_ENV_Operator op,
+ enum GNUNET_PSYC_Operator op,
const char *name, const void *value, size_t value_size)
{
struct Plugin *plugin = cls;
switch (op)
{
- case GNUNET_ENV_OP_ASSIGN:
+ case GNUNET_PSYC_OP_ASSIGN:
return state_assign (plugin, plugin->insert_state_current, channel_key,
name, value, value_size);
+++ /dev/null
-/*
- * This file is part of GNUnet
- * Copyright (C) 2013 Christian Grothoff (and other contributing authors)
- *
- * GNUnet is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation; either version 3, or (at your
- * option) any later version.
- *
- * GNUnet is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNUnet; see the file COPYING. If not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-/**
- * @file psycstore/psyc_util_lib.c
- * @brief PSYC utilities; receiving/transmitting/logging PSYC messages.
- * @author Gabor X Toth
- */
-
-#include <inttypes.h>
-
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_env_lib.h"
-#include "gnunet_psyc_service.h"
-#include "gnunet_psyc_util_lib.h"
-
-#define LOG(kind,...) GNUNET_log_from (kind, "psyc-util",__VA_ARGS__)
-
-
-struct GNUNET_PSYC_TransmitHandle
-{
- /**
- * Client connection to service.
- */
- struct GNUNET_CLIENT_MANAGER_Connection *client;
-
- /**
- * Message currently being received from the client.
- */
- struct GNUNET_MessageHeader *msg;
-
- /**
- * Callback to request next modifier from client.
- */
- GNUNET_PSYC_TransmitNotifyModifier notify_mod;
-
- /**
- * Closure for the notify callbacks.
- */
- void *notify_mod_cls;
-
- /**
- * Callback to request next data fragment from client.
- */
- GNUNET_PSYC_TransmitNotifyData notify_data;
-
- /**
- * Closure for the notify callbacks.
- */
- void *notify_data_cls;
-
- /**
- * Modifier of the environment that is currently being transmitted.
- */
- struct GNUNET_ENV_Modifier *mod;
-
- /**
- *
- */
- const char *mod_value;
-
- /**
- * Number of bytes remaining to be transmitted from the current modifier value.
- */
- uint32_t mod_value_remaining;
-
- /**
- * State of the current message being received from client.
- */
- enum GNUNET_PSYC_MessageState state;
-
- /**
- * Number of PSYC_TRANSMIT_ACK messages we are still waiting for.
- */
- uint8_t acks_pending;
-
- /**
- * Is transmission paused?
- */
- uint8_t paused;
-
- /**
- * Are we currently transmitting a message?
- */
- uint8_t in_transmit;
-
- /**
- * Notify callback is currently being called.
- */
- uint8_t in_notify;
-
-};
-
-
-
-struct GNUNET_PSYC_ReceiveHandle
-{
- /**
- * Message callback.
- */
- GNUNET_PSYC_MessageCallback message_cb;
-
- /**
- * Message part callback.
- */
- GNUNET_PSYC_MessagePartCallback message_part_cb;
-
- /**
- * Closure for the callbacks.
- */
- void *cb_cls;
-
- /**
- * ID of the message being received from the PSYC service.
- */
- uint64_t message_id;
-
- /**
- * Public key of the slave from which a message is being received.
- */
- struct GNUNET_CRYPTO_EcdsaPublicKey slave_key;
-
- /**
- * State of the currently being received message from the PSYC service.
- */
- enum GNUNET_PSYC_MessageState state;
-
- /**
- * Flags for the currently being received message from the PSYC service.
- */
- enum GNUNET_PSYC_MessageFlags flags;
-
- /**
- * Expected value size for the modifier being received from the PSYC service.
- */
- uint32_t mod_value_size_expected;
-
- /**
- * Actual value size for the modifier being received from the PSYC service.
- */
- uint32_t mod_value_size;
-};
-
-
-/**** Messages ****/
-
-
-/**
- * Create a PSYC message.
- *
- * @param method_name
- * PSYC method for the message.
- * @param env
- * Environment for the message.
- * @param data
- * Data payload for the message.
- * @param data_size
- * Size of @a data.
- *
- * @return Message header with size information,
- * followed by the message parts.
- */
-struct GNUNET_PSYC_Message *
-GNUNET_PSYC_message_create (const char *method_name,
- const struct GNUNET_ENV_Environment *env,
- const void *data,
- size_t data_size)
-{
- struct GNUNET_ENV_Modifier *mod = NULL;
- struct GNUNET_PSYC_MessageMethod *pmeth = NULL;
- struct GNUNET_PSYC_MessageModifier *pmod = NULL;
- struct GNUNET_MessageHeader *pmsg = NULL;
- uint16_t env_size = 0;
- if (NULL != env)
- {
- mod = GNUNET_ENV_environment_head (env);
- while (NULL != mod)
- {
- env_size += sizeof (*pmod) + strlen (mod->name) + 1 + mod->value_size;
- mod = mod->next;
- }
- }
-
- struct GNUNET_PSYC_Message *msg;
- uint16_t method_name_size = strlen (method_name) + 1;
- if (method_name_size == 1)
- return NULL;
-
- uint16_t msg_size = sizeof (*msg) /* header */
- + sizeof (*pmeth) + method_name_size /* method */
- + env_size /* modifiers */
- + ((0 < data_size) ? sizeof (*pmsg) + data_size : 0) /* data */
- + sizeof (*pmsg); /* end of message */
- msg = GNUNET_malloc (msg_size);
- msg->header.size = htons (msg_size);
- msg->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE); /* FIXME */
-
- pmeth = (struct GNUNET_PSYC_MessageMethod *) &msg[1];
- pmeth->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD);
- pmeth->header.size = htons (sizeof (*pmeth) + method_name_size);
- memcpy (&pmeth[1], method_name, method_name_size);
-
- uint16_t p = sizeof (*msg) + sizeof (*pmeth) + method_name_size;
- if (NULL != env)
- {
- mod = GNUNET_ENV_environment_head (env);
- while (NULL != mod)
- {
- uint16_t mod_name_size = strlen (mod->name) + 1;
- pmod = (struct GNUNET_PSYC_MessageModifier *) ((char *) msg + p);
- pmod->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER);
- pmod->header.size = sizeof (*pmod) + mod_name_size + mod->value_size;
- p += pmod->header.size;
- pmod->header.size = htons (pmod->header.size);
-
- pmod->oper = mod->oper;
- pmod->name_size = htons (mod_name_size);
- pmod->value_size = htonl (mod->value_size);
-
- memcpy (&pmod[1], mod->name, mod_name_size);
- if (0 < mod->value_size)
- memcpy ((char *) &pmod[1] + mod_name_size, mod->value, mod->value_size);
-
- mod = mod->next;
- }
- }
-
- if (0 < data_size)
- {
- pmsg = (struct GNUNET_MessageHeader *) ((char *) msg + p);
- pmsg->size = sizeof (*pmsg) + data_size;
- p += pmsg->size;
- pmsg->size = htons (pmsg->size);
- pmsg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA);
- memcpy (&pmsg[1], data, data_size);
- }
-
- pmsg = (struct GNUNET_MessageHeader *) ((char *) msg + p);
- pmsg->size = htons (sizeof (*pmsg));
- pmsg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END);
-
- GNUNET_assert (p + sizeof (*pmsg) == msg_size);
- return msg;
-}
-
-
-void
-GNUNET_PSYC_log_message (enum GNUNET_ErrorType kind,
- const struct GNUNET_MessageHeader *msg)
-{
- uint16_t size = ntohs (msg->size);
- uint16_t type = ntohs (msg->type);
- GNUNET_log (kind, "Message of type %d and size %u:\n", type, size);
- switch (type)
- {
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE:
- {
- struct GNUNET_PSYC_MessageHeader *pmsg
- = (struct GNUNET_PSYC_MessageHeader *) msg;
- GNUNET_log (kind, "\tID: %" PRIu64 "\tflags: %x" PRIu32 "\n",
- GNUNET_ntohll (pmsg->message_id), ntohl (pmsg->flags));
- break;
- }
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
- {
- struct GNUNET_PSYC_MessageMethod *meth
- = (struct GNUNET_PSYC_MessageMethod *) msg;
- GNUNET_log (kind, "\t%.*s\n", size - sizeof (*meth), &meth[1]);
- break;
- }
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
- {
- struct GNUNET_PSYC_MessageModifier *mod
- = (struct GNUNET_PSYC_MessageModifier *) msg;
- uint16_t name_size = ntohs (mod->name_size);
- char oper = ' ' < mod->oper ? mod->oper : ' ';
- GNUNET_log (kind, "\t%c%.*s\t%.*s\n", oper, name_size, &mod[1],
- size - sizeof (*mod) - name_size,
- ((char *) &mod[1]) + name_size);
- break;
- }
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
- GNUNET_log (kind, "\t%.*s\n", size - sizeof (*msg), &msg[1]);
- break;
- }
-}
-
-
-/**** Transmitting messages ****/
-
-
-/**
- * Create a transmission handle.
- */
-struct GNUNET_PSYC_TransmitHandle *
-GNUNET_PSYC_transmit_create (struct GNUNET_CLIENT_MANAGER_Connection *client)
-{
- struct GNUNET_PSYC_TransmitHandle *tmit = GNUNET_malloc (sizeof (*tmit));
- tmit->client = client;
- return tmit;
-}
-
-
-/**
- * Destroy a transmission handle.
- */
-void
-GNUNET_PSYC_transmit_destroy (struct GNUNET_PSYC_TransmitHandle *tmit)
-{
- GNUNET_free (tmit);
-}
-
-
-/**
- * Queue a message part for transmission.
- *
- * The message part is added to the current message buffer.
- * When this buffer is full, it is added to the transmission queue.
- *
- * @param tmit
- * Transmission handle.
- * @param msg
- * Message part, or NULL.
- * @param tmit_now
- * Transmit message now, or wait for buffer to fill up?
- * #GNUNET_YES or #GNUNET_NO.
- */
-static void
-transmit_queue_insert (struct GNUNET_PSYC_TransmitHandle *tmit,
- const struct GNUNET_MessageHeader *msg,
- uint8_t tmit_now)
-{
- uint16_t size = (NULL != msg) ? ntohs (msg->size) : 0;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Queueing message part of type %u and size %u (tmit_now: %u)).\n",
- NULL != msg ? ntohs (msg->type) : 0, size, tmit_now);
-
- if (NULL != tmit->msg)
- {
- if (NULL == msg
- || GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD < tmit->msg->size + size)
- {
- /* End of message or buffer is full, add it to transmission queue
- * and start with empty buffer */
- tmit->msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE);
- tmit->msg->size = htons (tmit->msg->size);
- GNUNET_CLIENT_MANAGER_transmit (tmit->client, tmit->msg);
- tmit->msg = NULL;
- tmit->acks_pending++;
- }
- else
- {
- /* Message fits in current buffer, append */
- tmit->msg = GNUNET_realloc (tmit->msg, tmit->msg->size + size);
- memcpy ((char *) tmit->msg + tmit->msg->size, msg, size);
- tmit->msg->size += size;
- }
- }
-
- if (NULL == tmit->msg && NULL != msg)
- {
- /* Empty buffer, copy over message. */
- tmit->msg = GNUNET_malloc (sizeof (*tmit->msg) + size);
- tmit->msg->size = sizeof (*tmit->msg) + size;
- memcpy (&tmit->msg[1], msg, size);
- }
-
- if (NULL != tmit->msg
- && (GNUNET_YES == tmit_now
- || (GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD
- < tmit->msg->size + sizeof (struct GNUNET_MessageHeader))))
- {
- /* End of message or buffer is full, add it to transmission queue. */
- tmit->msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE);
- tmit->msg->size = htons (tmit->msg->size);
- GNUNET_CLIENT_MANAGER_transmit (tmit->client, tmit->msg);
- tmit->msg = NULL;
- tmit->acks_pending++;
- }
-}
-
-
-/**
- * Request data from client to transmit.
- *
- * @param tmit Transmission handle.
- */
-static void
-transmit_data (struct GNUNET_PSYC_TransmitHandle *tmit)
-{
- int notify_ret = GNUNET_YES;
- uint16_t data_size = 0;
- char data[GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD] = "";
- struct GNUNET_MessageHeader *msg = (struct GNUNET_MessageHeader *) data;
- msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA);
-
- if (NULL != tmit->notify_data)
- {
- data_size = GNUNET_PSYC_DATA_MAX_PAYLOAD;
- tmit->in_notify = GNUNET_YES;
- notify_ret = tmit->notify_data (tmit->notify_data_cls, &data_size, &msg[1]);
- tmit->in_notify = GNUNET_NO;
- }
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "transmit_data (ret: %d, size: %u): %.*s\n",
- notify_ret, data_size, data_size, &msg[1]);
- switch (notify_ret)
- {
- case GNUNET_NO:
- if (0 == data_size)
- {
- /* Transmission paused, nothing to send. */
- tmit->paused = GNUNET_YES;
- return;
- }
- break;
-
- case GNUNET_YES:
- tmit->state = GNUNET_PSYC_MESSAGE_STATE_END;
- break;
-
- default:
- LOG (GNUNET_ERROR_TYPE_ERROR,
- "TransmitNotifyData callback returned error when requesting data.\n");
-
- tmit->state = GNUNET_PSYC_MESSAGE_STATE_CANCEL;
- msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL);
- msg->size = htons (sizeof (*msg));
- transmit_queue_insert (tmit, msg, GNUNET_YES);
- tmit->in_transmit = GNUNET_NO;
- return;
- }
-
- if (0 < data_size)
- {
- GNUNET_assert (data_size <= GNUNET_PSYC_DATA_MAX_PAYLOAD);
- msg->size = htons (sizeof (*msg) + data_size);
- transmit_queue_insert (tmit, msg, !notify_ret);
- }
-
- /* End of message. */
- if (GNUNET_YES == notify_ret)
- {
- msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END);
- msg->size = htons (sizeof (*msg));
- transmit_queue_insert (tmit, msg, GNUNET_YES);
- /* FIXME: wait for ACK before setting in_transmit to no */
- tmit->in_transmit = GNUNET_NO;
- }
-}
-
-
-/**
- * Request a modifier from a client to transmit.
- *
- * @param tmit Transmission handle.
- */
-static void
-transmit_mod (struct GNUNET_PSYC_TransmitHandle *tmit)
-{
- uint16_t max_data_size = 0;
- uint16_t data_size = 0;
- char data[GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD] = "";
- struct GNUNET_MessageHeader *msg = (struct GNUNET_MessageHeader *) data;
- int notify_ret = GNUNET_YES;
-
- switch (tmit->state)
- {
- case GNUNET_PSYC_MESSAGE_STATE_MODIFIER:
- {
- struct GNUNET_PSYC_MessageModifier *mod
- = (struct GNUNET_PSYC_MessageModifier *) msg;
- msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER);
- msg->size = sizeof (struct GNUNET_PSYC_MessageModifier);
-
- if (NULL != tmit->notify_mod)
- {
- max_data_size = GNUNET_PSYC_MODIFIER_MAX_PAYLOAD;
- data_size = max_data_size;
- tmit->in_notify = GNUNET_YES;
- notify_ret = tmit->notify_mod (tmit->notify_mod_cls, &data_size, &mod[1],
- &mod->oper, &mod->value_size);
- tmit->in_notify = GNUNET_NO;
- }
-
- mod->name_size = strnlen ((char *) &mod[1], data_size) + 1;
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "transmit_mod (ret: %d, size: %u + %u): %.*s\n",
- notify_ret, mod->name_size, mod->value_size, data_size, &mod[1]);
- if (mod->name_size < data_size)
- {
- tmit->mod_value_remaining
- = mod->value_size - (data_size - mod->name_size);
- mod->value_size = htonl (mod->value_size);
- mod->name_size = htons (mod->name_size);
- }
- else if (0 < data_size)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got invalid modifier name.\n");
- notify_ret = GNUNET_SYSERR;
- }
- break;
- }
- case GNUNET_PSYC_MESSAGE_STATE_MOD_CONT:
- {
- msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT);
- msg->size = sizeof (struct GNUNET_MessageHeader);
-
- if (NULL != tmit->notify_mod)
- {
- max_data_size = GNUNET_PSYC_MOD_CONT_MAX_PAYLOAD;
- data_size = max_data_size;
- tmit->in_notify = GNUNET_YES;
- notify_ret = tmit->notify_mod (tmit->notify_mod_cls,
- &data_size, &msg[1], NULL, NULL);
- tmit->in_notify = GNUNET_NO;
- }
- tmit->mod_value_remaining -= data_size;
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "transmit_mod (ret: %d, size: %u): %.*s\n",
- notify_ret, data_size, data_size, &msg[1]);
- break;
- }
- default:
- GNUNET_assert (0);
- }
-
- switch (notify_ret)
- {
- case GNUNET_NO:
- if (0 == data_size)
- { /* Transmission paused, nothing to send. */
- tmit->paused = GNUNET_YES;
- return;
- }
- tmit->state
- = (0 == tmit->mod_value_remaining)
- ? GNUNET_PSYC_MESSAGE_STATE_MODIFIER
- : GNUNET_PSYC_MESSAGE_STATE_MOD_CONT;
- break;
-
- case GNUNET_YES: /* End of modifiers. */
- GNUNET_assert (0 == tmit->mod_value_remaining);
- break;
-
- default:
- LOG (GNUNET_ERROR_TYPE_ERROR,
- "TransmitNotifyModifier callback returned with error.\n");
-
- tmit->state = GNUNET_PSYC_MESSAGE_STATE_CANCEL;
- msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL);
- msg->size = htons (sizeof (*msg));
- transmit_queue_insert (tmit, msg, GNUNET_YES);
- tmit->in_transmit = GNUNET_NO;
- return;
- }
-
- if (0 < data_size)
- {
- GNUNET_assert (data_size <= max_data_size);
- msg->size = htons (msg->size + data_size);
- transmit_queue_insert (tmit, msg, GNUNET_NO);
- }
-
- if (GNUNET_YES == notify_ret)
- {
- tmit->state = GNUNET_PSYC_MESSAGE_STATE_DATA;
- if (0 == tmit->acks_pending)
- transmit_data (tmit);
- }
- else
- {
- transmit_mod (tmit);
- }
-}
-
-
-int
-transmit_notify_env (void *cls, uint16_t *data_size, void *data, uint8_t *oper,
- uint32_t *full_value_size)
-
-{
- struct GNUNET_PSYC_TransmitHandle *tmit = cls;
- uint16_t name_size = 0;
- uint32_t value_size = 0;
- const char *value = NULL;
-
- if (NULL != oper)
- { /* New modifier */
- if (NULL != tmit->mod)
- tmit->mod = tmit->mod->next;
- if (NULL == tmit->mod)
- { /* No more modifiers, continue with data */
- *data_size = 0;
- return GNUNET_YES;
- }
-
- GNUNET_assert (tmit->mod->value_size < UINT32_MAX);
- *full_value_size = tmit->mod->value_size;
- *oper = tmit->mod->oper;
- name_size = strlen (tmit->mod->name) + 1;
-
- if (name_size + tmit->mod->value_size <= *data_size)
- {
- value_size = tmit->mod->value_size;
- *data_size = name_size + value_size;
- }
- else /* full modifier does not fit in data, continuation needed */
- {
- value_size = *data_size - name_size;
- tmit->mod_value = tmit->mod->value + value_size;
- }
-
- memcpy (data, tmit->mod->name, name_size);
- memcpy ((char *)data + name_size, tmit->mod->value, value_size);
- return GNUNET_NO;
- }
- else
- { /* Modifier continuation */
- GNUNET_assert (NULL != tmit->mod_value && 0 < tmit->mod_value_remaining);
- value = tmit->mod_value;
- if (tmit->mod_value_remaining <= *data_size)
- {
- value_size = tmit->mod_value_remaining;
- tmit->mod_value = NULL;
- }
- else
- {
- value_size = *data_size;
- tmit->mod_value += value_size;
- }
-
- if (*data_size < value_size)
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Value in environment larger than buffer: %u < %zu\n",
- *data_size, value_size);
- *data_size = 0;
- return GNUNET_NO;
- }
-
- *data_size = value_size;
- memcpy (data, value, value_size);
- return (NULL == tmit->mod_value) ? GNUNET_YES : GNUNET_NO;
- }
-}
-
-
-/**
- * Transmit a message.
- *
- * @param tmit
- * Transmission handle.
- * @param method_name
- * Which method should be invoked.
- * @param env
- * Environment for the message.
- * Should stay available until the first call to notify_data.
- * Can be NULL if there are no modifiers or @a notify_mod is
- * provided instead.
- * @param notify_mod
- * Function to call to obtain modifiers.
- * Can be NULL if there are no modifiers or @a env is provided instead.
- * @param notify_data
- * Function to call to obtain fragments of the data.
- * @param notify_cls
- * Closure for @a notify_mod and @a notify_data.
- * @param flags
- * Flags for the message being transmitted.
- *
- * @return #GNUNET_OK if the transmission was started.
- * #GNUNET_SYSERR if another transmission is already going on.
- */
-int
-GNUNET_PSYC_transmit_message (struct GNUNET_PSYC_TransmitHandle *tmit,
- const char *method_name,
- const struct GNUNET_ENV_Environment *env,
- GNUNET_PSYC_TransmitNotifyModifier notify_mod,
- GNUNET_PSYC_TransmitNotifyData notify_data,
- void *notify_cls,
- uint32_t flags)
-{
- if (GNUNET_NO != tmit->in_transmit)
- return GNUNET_SYSERR;
- tmit->in_transmit = GNUNET_YES;
-
- size_t size = strlen (method_name) + 1;
- struct GNUNET_PSYC_MessageMethod *pmeth;
- tmit->msg = GNUNET_malloc (sizeof (*tmit->msg) + sizeof (*pmeth) + size);
- tmit->msg->size = sizeof (*tmit->msg) + sizeof (*pmeth) + size;
-
- if (NULL != notify_mod)
- {
- tmit->notify_mod = notify_mod;
- tmit->notify_mod_cls = notify_cls;
- }
- else
- {
- tmit->notify_mod = &transmit_notify_env;
- tmit->notify_mod_cls = tmit;
- if (NULL != env)
- {
- struct GNUNET_ENV_Modifier mod = {};
- mod.next = GNUNET_ENV_environment_head (env);
- tmit->mod = &mod;
-
- struct GNUNET_ENV_Modifier *m = tmit->mod;
- while (NULL != (m = m->next))
- {
- if (m->oper != GNUNET_ENV_OP_SET)
- flags |= GNUNET_PSYC_MASTER_TRANSMIT_STATE_MODIFY;
- }
- }
- else
- {
- tmit->mod = NULL;
- }
- }
-
- pmeth = (struct GNUNET_PSYC_MessageMethod *) &tmit->msg[1];
- pmeth->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD);
- pmeth->header.size = htons (sizeof (*pmeth) + size);
- pmeth->flags = htonl (flags);
- memcpy (&pmeth[1], method_name, size);
-
- tmit->state = GNUNET_PSYC_MESSAGE_STATE_MODIFIER;
- tmit->notify_data = notify_data;
- tmit->notify_data_cls = notify_cls;
-
- transmit_mod (tmit);
- return GNUNET_OK;
-}
-
-
-/**
- * Resume transmission.
- *
- * @param tmit Transmission handle.
- */
-void
-GNUNET_PSYC_transmit_resume (struct GNUNET_PSYC_TransmitHandle *tmit)
-{
- if (GNUNET_YES != tmit->in_transmit || GNUNET_NO != tmit->in_notify)
- return;
-
- if (0 == tmit->acks_pending)
- {
- tmit->paused = GNUNET_NO;
- transmit_data (tmit);
- }
-}
-
-
-/**
- * Abort transmission request.
- *
- * @param tmit Transmission handle.
- */
-void
-GNUNET_PSYC_transmit_cancel (struct GNUNET_PSYC_TransmitHandle *tmit)
-{
- if (GNUNET_NO == tmit->in_transmit)
- return;
-
- tmit->state = GNUNET_PSYC_MESSAGE_STATE_CANCEL;
- tmit->in_transmit = GNUNET_NO;
- tmit->paused = GNUNET_NO;
-
- /* FIXME */
- struct GNUNET_MessageHeader msg;
- msg.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA);
- msg.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL);
- msg.size = htons (sizeof (msg));
- transmit_queue_insert (tmit, &msg, GNUNET_YES);
-}
-
-
-/**
- * Got acknowledgement of a transmitted message part, continue transmission.
- *
- * @param tmit Transmission handle.
- */
-void
-GNUNET_PSYC_transmit_got_ack (struct GNUNET_PSYC_TransmitHandle *tmit)
-{
- if (0 == tmit->acks_pending)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "Ignoring extraneous message ACK\n");
- GNUNET_break (0);
- return;
- }
- tmit->acks_pending--;
-
- switch (tmit->state)
- {
- case GNUNET_PSYC_MESSAGE_STATE_MODIFIER:
- case GNUNET_PSYC_MESSAGE_STATE_MOD_CONT:
- transmit_mod (tmit);
- break;
-
- case GNUNET_PSYC_MESSAGE_STATE_DATA:
- transmit_data (tmit);
- break;
-
- case GNUNET_PSYC_MESSAGE_STATE_END:
- case GNUNET_PSYC_MESSAGE_STATE_CANCEL:
- break;
-
- default:
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Ignoring message ACK in state %u.\n", tmit->state);
- }
-}
-
-
-/**** Receiving messages ****/
-
-
-/**
- * Create handle for receiving messages.
- */
-struct GNUNET_PSYC_ReceiveHandle *
-GNUNET_PSYC_receive_create (GNUNET_PSYC_MessageCallback message_cb,
- GNUNET_PSYC_MessagePartCallback message_part_cb,
- void *cb_cls)
-{
- struct GNUNET_PSYC_ReceiveHandle *recv = GNUNET_malloc (sizeof (*recv));
- recv->message_cb = message_cb;
- recv->message_part_cb = message_part_cb;
- recv->cb_cls = cb_cls;
- return recv;
-}
-
-
-/**
- * Destroy handle for receiving messages.
- */
-void
-GNUNET_PSYC_receive_destroy (struct GNUNET_PSYC_ReceiveHandle *recv)
-{
- GNUNET_free (recv);
-}
-
-
-/**
- * Reset stored data related to the last received message.
- */
-void
-GNUNET_PSYC_receive_reset (struct GNUNET_PSYC_ReceiveHandle *recv)
-{
- recv->state = GNUNET_PSYC_MESSAGE_STATE_START;
- recv->flags = 0;
- recv->message_id = 0;
- recv->mod_value_size = 0;
- recv->mod_value_size_expected = 0;
-}
-
-
-static void
-recv_error (struct GNUNET_PSYC_ReceiveHandle *recv)
-{
- if (NULL != recv->message_part_cb)
- recv->message_part_cb (recv->cb_cls, NULL, recv->message_id, recv->flags,
- 0, NULL);
-
- if (NULL != recv->message_cb)
- recv->message_cb (recv->cb_cls, recv->message_id, recv->flags, NULL);
-
- GNUNET_PSYC_receive_reset (recv);
-}
-
-
-/**
- * Handle incoming PSYC message.
- *
- * @param recv Receive handle.
- * @param msg The message.
- *
- * @return #GNUNET_OK on success,
- * #GNUNET_SYSERR on receive error.
- */
-int
-GNUNET_PSYC_receive_message (struct GNUNET_PSYC_ReceiveHandle *recv,
- const struct GNUNET_PSYC_MessageHeader *msg)
-{
- uint16_t size = ntohs (msg->header.size);
- uint32_t flags = ntohl (msg->flags);
- uint64_t message_id;
-
- GNUNET_PSYC_log_message (GNUNET_ERROR_TYPE_DEBUG,
- (struct GNUNET_MessageHeader *) msg);
-
- if (GNUNET_PSYC_MESSAGE_STATE_START == recv->state)
- {
- recv->message_id = GNUNET_ntohll (msg->message_id);
- recv->flags = flags;
- recv->slave_key = msg->slave_key;
- recv->mod_value_size = 0;
- recv->mod_value_size_expected = 0;
- }
- else if (GNUNET_ntohll (msg->message_id) != recv->message_id)
- {
- // FIXME
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Unexpected message ID. Got: %" PRIu64 ", expected: %" PRIu64 "\n",
- GNUNET_ntohll (msg->message_id), recv->message_id);
- GNUNET_break_op (0);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
- else if (flags != recv->flags)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Unexpected message flags. Got: %lu, expected: %lu\n",
- flags, recv->flags);
- GNUNET_break_op (0);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
- message_id = recv->message_id;
-
- uint16_t pos = 0, psize = 0, ptype, size_eq, size_min;
-
- for (pos = 0; sizeof (*msg) + pos < size; pos += psize)
- {
- const struct GNUNET_MessageHeader *pmsg
- = (const struct GNUNET_MessageHeader *) ((char *) &msg[1] + pos);
- psize = ntohs (pmsg->size);
- ptype = ntohs (pmsg->type);
- size_eq = size_min = 0;
-
- if (psize < sizeof (*pmsg) || sizeof (*msg) + pos + psize > size)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Dropping message of type %u with invalid size %u.\n",
- ptype, psize);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received message part of type %u and size %u from PSYC.\n",
- ptype, psize);
- GNUNET_PSYC_log_message (GNUNET_ERROR_TYPE_DEBUG, pmsg);
-
- switch (ptype)
- {
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
- size_min = sizeof (struct GNUNET_PSYC_MessageMethod);
- break;
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
- size_min = sizeof (struct GNUNET_PSYC_MessageModifier);
- break;
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
- size_min = sizeof (struct GNUNET_MessageHeader);
- break;
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END:
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL:
- size_eq = sizeof (struct GNUNET_MessageHeader);
- break;
- default:
- GNUNET_break_op (0);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
-
- if (! ((0 < size_eq && psize == size_eq)
- || (0 < size_min && size_min <= psize)))
- {
- GNUNET_break_op (0);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
-
- switch (ptype)
- {
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
- {
- struct GNUNET_PSYC_MessageMethod *meth
- = (struct GNUNET_PSYC_MessageMethod *) pmsg;
-
- if (GNUNET_PSYC_MESSAGE_STATE_START != recv->state)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Dropping out of order message method (%u).\n",
- recv->state);
- /* It is normal to receive an incomplete message right after connecting,
- * but should not happen later.
- * FIXME: add a check for this condition.
- */
- GNUNET_break_op (0);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
-
- if ('\0' != *((char *) meth + psize - 1))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Dropping message with malformed method. "
- "Message ID: %" PRIu64 "\n", recv->message_id);
- GNUNET_break_op (0);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
- recv->state = GNUNET_PSYC_MESSAGE_STATE_METHOD;
- break;
- }
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
- {
- if (!(GNUNET_PSYC_MESSAGE_STATE_METHOD == recv->state
- || GNUNET_PSYC_MESSAGE_STATE_MODIFIER == recv->state
- || GNUNET_PSYC_MESSAGE_STATE_MOD_CONT == recv->state))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Dropping out of order message modifier (%u).\n",
- recv->state);
- GNUNET_break_op (0);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
-
- struct GNUNET_PSYC_MessageModifier *mod
- = (struct GNUNET_PSYC_MessageModifier *) pmsg;
-
- uint16_t name_size = ntohs (mod->name_size);
- recv->mod_value_size_expected = ntohl (mod->value_size);
- recv->mod_value_size = psize - sizeof (*mod) - name_size;
-
- if (psize < sizeof (*mod) + name_size
- || '\0' != *((char *) &mod[1] + name_size - 1)
- || recv->mod_value_size_expected < recv->mod_value_size)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "Dropping malformed modifier.\n");
- GNUNET_break_op (0);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
- recv->state = GNUNET_PSYC_MESSAGE_STATE_MODIFIER;
- break;
- }
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
- {
- recv->mod_value_size += psize - sizeof (*pmsg);
-
- if (!(GNUNET_PSYC_MESSAGE_STATE_MODIFIER == recv->state
- || GNUNET_PSYC_MESSAGE_STATE_MOD_CONT == recv->state)
- || recv->mod_value_size_expected < recv->mod_value_size)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Dropping out of order message modifier continuation "
- "!(%u == %u || %u == %u) || %lu < %lu.\n",
- GNUNET_PSYC_MESSAGE_STATE_MODIFIER, recv->state,
- GNUNET_PSYC_MESSAGE_STATE_MOD_CONT, recv->state,
- recv->mod_value_size_expected, recv->mod_value_size);
- GNUNET_break_op (0);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
- break;
- }
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
- {
- if (recv->state < GNUNET_PSYC_MESSAGE_STATE_METHOD
- || recv->mod_value_size_expected != recv->mod_value_size)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Dropping out of order message data fragment "
- "(%u < %u || %lu != %lu).\n",
- recv->state, GNUNET_PSYC_MESSAGE_STATE_METHOD,
- recv->mod_value_size_expected, recv->mod_value_size);
-
- GNUNET_break_op (0);
- recv_error (recv);
- return GNUNET_SYSERR;
- }
- recv->state = GNUNET_PSYC_MESSAGE_STATE_DATA;
- break;
- }
- }
-
- if (NULL != recv->message_part_cb)
- recv->message_part_cb (recv->cb_cls, &recv->slave_key,
- recv->message_id, recv->flags,
- 0, // FIXME: data_offset
- pmsg);
-
- switch (ptype)
- {
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END:
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL:
- GNUNET_PSYC_receive_reset (recv);
- break;
- }
- }
-
- if (NULL != recv->message_cb)
- recv->message_cb (recv->cb_cls, message_id, flags, msg);
- return GNUNET_OK;
-}
-
-
-/**
- * Check if @a data contains a series of valid message parts.
- *
- * @param data_size Size of @a data.
- * @param data Data.
- * @param[out] first_ptype Type of first message part.
- * @param[out] last_ptype Type of last message part.
- *
- * @return Number of message parts found in @a data.
- * or GNUNET_SYSERR if the message contains invalid parts.
- */
-int
-GNUNET_PSYC_receive_check_parts (uint16_t data_size, const char *data,
- uint16_t *first_ptype, uint16_t *last_ptype)
-{
- const struct GNUNET_MessageHeader *pmsg;
- uint16_t parts = 0, ptype = 0, psize = 0, pos = 0;
- if (NULL != first_ptype)
- *first_ptype = 0;
- if (NULL != last_ptype)
- *last_ptype = 0;
-
- for (pos = 0; pos < data_size; pos += psize, parts++)
- {
- pmsg = (const struct GNUNET_MessageHeader *) (data + pos);
- GNUNET_PSYC_log_message (GNUNET_ERROR_TYPE_DEBUG, pmsg);
- psize = ntohs (pmsg->size);
- ptype = ntohs (pmsg->type);
- if (0 == parts && NULL != first_ptype)
- *first_ptype = ptype;
- if (NULL != last_ptype
- && *last_ptype < GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END)
- *last_ptype = ptype;
- if (psize < sizeof (*pmsg)
- || pos + psize > data_size
- || ptype < GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD
- || GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL < ptype)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Invalid message part of type %u and size %u.\n",
- ptype, psize);
- return GNUNET_SYSERR;
- }
- /** @todo FIXME: check message part order */
- }
- return parts;
-}
-
-
-struct ParseMessageClosure
-{
- struct GNUNET_ENV_Environment *env;
- const char **method_name;
- const void **data;
- uint16_t *data_size;
- enum GNUNET_PSYC_MessageState msg_state;
-};
-
-
-static void
-parse_message_part_cb (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *slave_key,
- uint64_t message_id, uint32_t flags, uint64_t data_offset,
- const struct GNUNET_MessageHeader *msg)
-{
- struct ParseMessageClosure *pmc = cls;
- if (NULL == msg)
- {
- pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_ERROR;
- return;
- }
-
- switch (ntohs (msg->type))
- {
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
- {
- struct GNUNET_PSYC_MessageMethod *
- pmeth = (struct GNUNET_PSYC_MessageMethod *) msg;
- *pmc->method_name = (const char *) &pmeth[1];
- pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_METHOD;
- break;
- }
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
- {
- struct GNUNET_PSYC_MessageModifier *
- pmod = (struct GNUNET_PSYC_MessageModifier *) msg;
-
- const char *name = (const char *) &pmod[1];
- const void *value = name + ntohs (pmod->name_size);
- GNUNET_ENV_environment_add (pmc->env, pmod->oper, name, value,
- ntohl (pmod->value_size));
- pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_MODIFIER;
- break;
- }
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
- *pmc->data = &msg[1];
- *pmc->data_size = ntohs (msg->size) - sizeof (*msg);
- pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_DATA;
- break;
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END:
- pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_END;
- break;
-
- default:
- pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_ERROR;
- }
-}
-
-
-/**
- * Parse PSYC message.
- *
- * @param msg
- * The PSYC message to parse.
- * @param[out] method_name
- * Pointer to the method name inside @a pmsg.
- * @param env
- * The environment for the message with a list of modifiers.
- * @param[out] data
- * Pointer to data inside @a pmsg.
- * @param[out] data_size
- * Size of @data is written here.
- *
- * @return #GNUNET_OK on success,
- * #GNUNET_SYSERR on parse error.
- */
-int
-GNUNET_PSYC_message_parse (const struct GNUNET_PSYC_MessageHeader *msg,
- const char **method_name,
- struct GNUNET_ENV_Environment *env,
- const void **data,
- uint16_t *data_size)
-{
- struct ParseMessageClosure cls;
- cls.env = env;
- cls.method_name = method_name;
- cls.data = data;
- cls.data_size = data_size;
-
- struct GNUNET_PSYC_ReceiveHandle *
- recv = GNUNET_PSYC_receive_create (NULL, parse_message_part_cb, &cls);
- int ret = GNUNET_PSYC_receive_message (recv, msg);
- GNUNET_PSYC_receive_destroy (recv);
-
- if (GNUNET_OK != ret)
- return GNUNET_SYSERR;
-
- return (GNUNET_PSYC_MESSAGE_STATE_END == cls.msg_state)
- ? GNUNET_OK
- : GNUNET_NO;
-}
-
-
-/**
- * Initialize PSYC message header.
- */
-void
-GNUNET_PSYC_message_header_init (struct GNUNET_PSYC_MessageHeader *pmsg,
- const struct GNUNET_MULTICAST_MessageHeader *mmsg,
- uint32_t flags)
-{
- uint16_t size = ntohs (mmsg->header.size);
- uint16_t psize = sizeof (*pmsg) + size - sizeof (*mmsg);
-
- pmsg->header.size = htons (psize);
- pmsg->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE);
- pmsg->message_id = mmsg->message_id;
- pmsg->fragment_offset = mmsg->fragment_offset;
- pmsg->flags = htonl (flags);
-
- memcpy (&pmsg[1], &mmsg[1], size - sizeof (*mmsg));
-}
-
-
-/**
- * Create a new PSYC message header from a multicast message.
- */
-struct GNUNET_PSYC_MessageHeader *
-GNUNET_PSYC_message_header_create (const struct GNUNET_MULTICAST_MessageHeader *mmsg,
- uint32_t flags)
-{
- struct GNUNET_PSYC_MessageHeader *pmsg;
- uint16_t size = ntohs (mmsg->header.size);
- uint16_t psize = sizeof (*pmsg) + size - sizeof (*mmsg);
-
- pmsg = GNUNET_malloc (psize);
- GNUNET_PSYC_message_header_init (pmsg, mmsg, flags);
- return pmsg;
-}
-
-
-/**
- * Create a new PSYC message header from a PSYC message.
- */
-struct GNUNET_PSYC_MessageHeader *
-GNUNET_PSYC_message_header_create_from_psyc (const struct GNUNET_PSYC_Message *msg)
-{
- uint16_t msg_size = ntohs (msg->header.size);
- struct GNUNET_PSYC_MessageHeader *
- pmsg = GNUNET_malloc (sizeof (*pmsg) + msg_size - sizeof (*msg));
- pmsg->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE);
- pmsg->header.size = htons (sizeof (*pmsg) + msg_size - sizeof (*msg));
- memcpy (&pmsg[1], &msg[1], msg_size - sizeof (*msg));
- return pmsg;
-}
uint64_t max_state_message_id,
uint64_t state_hash_message_id,
size_t modifier_count,
- const struct GNUNET_ENV_Modifier *modifiers,
+ const struct GNUNET_PSYC_Modifier *modifiers,
GNUNET_PSYCSTORE_ResultCallback rcb,
void *rcb_cls)
{
* Boston, MA 02110-1301, USA.
*/
-/*
- * @file psycstore/test_plugin_psycstore.c
- * @brief Test for the PSYCstore plugins.
+/**
* @author Gabor X Toth
* @author Christian Grothoff
+ *
+ * @file
+ * Test for the PSYCstore plugins.
*/
#include "platform.h"
#include "gnunet_util_lib.h"
message_id, 0));
GNUNET_assert (GNUNET_OK == db->state_modify_op (db->cls, &channel_pub_key,
- GNUNET_ENV_OP_ASSIGN,
+ GNUNET_PSYC_OP_ASSIGN,
"_foo",
C2ARG("one two three")));
GNUNET_assert (GNUNET_OK == db->state_modify_op (db->cls, &channel_pub_key,
- GNUNET_ENV_OP_ASSIGN,
+ GNUNET_PSYC_OP_ASSIGN,
"_foo_bar", slave_key,
sizeof (*slave_key)));
message_id - max_state_msg_id));
GNUNET_assert (GNUNET_OK == db->state_modify_op (db->cls, &channel_pub_key,
- GNUNET_ENV_OP_ASSIGN,
+ GNUNET_PSYC_OP_ASSIGN,
"_sync_foo",
C2ARG("five six seven")));
size_t value_size[16];
} scls;
-static struct GNUNET_ENV_Modifier modifiers[16];
+static struct GNUNET_PSYC_Modifier modifiers[16];
/**
* Clean up all resources used.
GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "message_get_latest:\t%d\n", result);
GNUNET_assert (0 < result && fcls->n == fcls->n_expected);
- modifiers[0] = (struct GNUNET_ENV_Modifier) {
+ modifiers[0] = (struct GNUNET_PSYC_Modifier) {
.oper = '=',
.name = "_sync_foo",
.value = "three two one",
.value_size = sizeof ("three two one") - 1
};
- modifiers[1] = (struct GNUNET_ENV_Modifier) {
+ modifiers[1] = (struct GNUNET_PSYC_Modifier) {
.oper = '=',
.name = "_sync_bar",
.value = "ten eleven twelve",
--- /dev/null
+# This Makefile.am is in the public domain
+AM_CPPFLAGS = -I$(top_srcdir)/src/include
+
+pkgcfgdir= $(pkgdatadir)/config.d/
+
+libexecdir= $(pkglibdir)/libexec/
+
+if MINGW
+ WINFLAGS = -Wl,--no-undefined -Wl,--export-all-symbols
+endif
+
+if USE_COVERAGE
+ AM_CFLAGS = --coverage -O0
+ XLIB = -lgcov
+endif
+
+lib_LTLIBRARIES = libgnunetpsycutil.la
+
+libgnunetpsycutil_la_SOURCES = \
+ psyc_env.c \
+ psyc_message.c \
+ psyc_slicer.c
+libgnunetpsycutil_la_LIBADD = \
+ $(top_builddir)/src/util/libgnunetutil.la \
+ $(GN_LIBINTL) $(XLIB)
+libgnunetpsycutil_la_LDFLAGS = \
+ $(GN_LIB_LDFLAGS) $(WINFLAGS) \
+ -version-info 0:0:0
+
+if HAVE_TESTING
+check_PROGRAMS = \
+ test_psyc_env
+endif
+
+if ENABLE_TEST_RUN
+AM_TESTS_ENVIRONMENT=export GNUNET_PREFIX=$${GNUNET_PREFIX:-@libdir@};export PATH=$${GNUNET_PREFIX:-@prefix@}/bin:$$PATH;
+TESTS = $(check_PROGRAMS)
+endif
+
+test_psyc_env_SOURCES = \
+ test_psyc_env.c
+test_psyc_env_LDADD = \
+ libgnunetpsycutil.la \
+ $(top_builddir)/src/testing/libgnunettesting.la \
+ $(top_builddir)/src/util/libgnunetutil.la
--- /dev/null
+/*
+ * This file is part of GNUnet.
+ * Copyright (C) 2013 Christian Grothoff (and other contributing authors)
+ *
+ * GNUnet is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 3, or (at your
+ * option) any later version.
+ *
+ * GNUnet is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNUnet; see the file COPYING. If not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * @author Gabor X Toth
+ *
+ * @file
+ * Library providing operations for the @e environment of
+ * PSYC and Social messages.
+ */
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_psyc_env.h"
+
+/**
+ * Environment for a message.
+ *
+ * Contains modifiers.
+ */
+struct GNUNET_PSYC_Environment
+{
+ struct GNUNET_PSYC_Modifier *mod_head;
+ struct GNUNET_PSYC_Modifier *mod_tail;
+ size_t mod_count;
+};
+
+
+/**
+ * Create an environment.
+ *
+ * @return A newly allocated environment.
+ */
+struct GNUNET_PSYC_Environment *
+GNUNET_PSYC_env_create ()
+{
+ return GNUNET_new (struct GNUNET_PSYC_Environment);
+}
+
+
+/**
+ * Add a modifier to the environment.
+ *
+ * @param env The environment.
+ * @param oper Operation to perform.
+ * @param name Name of the variable.
+ * @param value Value of the variable.
+ * @param value_size Size of @a value.
+ */
+void
+GNUNET_PSYC_env_add (struct GNUNET_PSYC_Environment *env,
+ enum GNUNET_PSYC_Operator oper, const char *name,
+ const void *value, size_t value_size)
+{
+ struct GNUNET_PSYC_Modifier *mod = GNUNET_new (struct GNUNET_PSYC_Modifier);
+ mod->oper = oper;
+ mod->name = name;
+ mod->value = value;
+ mod->value_size = value_size;
+ GNUNET_CONTAINER_DLL_insert_tail (env->mod_head, env->mod_tail, mod);
+ env->mod_count++;
+}
+
+
+/**
+ * Get the first modifier of the environment.
+ */
+struct GNUNET_PSYC_Modifier *
+GNUNET_PSYC_env_head (const struct GNUNET_PSYC_Environment *env)
+{
+ return env->mod_head;
+}
+
+
+/**
+ * Get the last modifier of the environment.
+ */
+struct GNUNET_PSYC_Modifier *
+GNUNET_PSYC_env_tail (const struct GNUNET_PSYC_Environment *env)
+{
+ return env->mod_tail;
+}
+
+
+/**
+ * Remove a modifier from the environment.
+ */
+void
+GNUNET_PSYC_env_remove (struct GNUNET_PSYC_Environment *env,
+ struct GNUNET_PSYC_Modifier *mod)
+{
+ GNUNET_CONTAINER_DLL_remove (env->mod_head, env->mod_tail, mod);
+}
+
+
+/**
+ * Get the modifier at the beginning of an environment and remove it.
+ *
+ * @param env
+ * @param oper
+ * @param name
+ * @param value
+ * @param value_size
+ *
+ * @return
+ */
+int
+GNUNET_PSYC_env_shift (struct GNUNET_PSYC_Environment *env,
+ enum GNUNET_PSYC_Operator *oper, const char **name,
+ const void **value, size_t *value_size)
+{
+ if (NULL == env->mod_head)
+ return GNUNET_NO;
+
+ struct GNUNET_PSYC_Modifier *mod = env->mod_head;
+ *oper = mod->oper;
+ *name = mod->name;
+ *value = mod->value;
+ *value_size = mod->value_size;
+
+ GNUNET_CONTAINER_DLL_remove (env->mod_head, env->mod_tail, mod);
+ GNUNET_free (mod);
+ env->mod_count--;
+
+ return GNUNET_YES;
+}
+
+
+/**
+ * Iterate through all modifiers in the environment.
+ *
+ * @param env The environment.
+ * @param it Iterator.
+ * @param it_cls Closure for iterator.
+ */
+void
+GNUNET_PSYC_env_iterate (const struct GNUNET_PSYC_Environment *env,
+ GNUNET_PSYC_Iterator it, void *it_cls)
+{
+ struct GNUNET_PSYC_Modifier *mod;
+ for (mod = env->mod_head; NULL != mod; mod = mod->next)
+ it (it_cls, mod->oper, mod->name, mod->value, mod->value_size);
+}
+
+
+/**
+ * Get the number of modifiers in the environment.
+ *
+ * @param env The environment.
+ *
+ * @return Number of modifiers.
+ */
+size_t
+GNUNET_PSYC_env_get_count (const struct GNUNET_PSYC_Environment *env)
+{
+ return env->mod_count;
+}
+
+
+/**
+ * Destroy an environment.
+ *
+ * @param env The environment to destroy.
+ */
+void
+GNUNET_PSYC_env_destroy (struct GNUNET_PSYC_Environment *env)
+{
+ struct GNUNET_PSYC_Modifier *mod, *prev = NULL;
+ for (mod = env->mod_head; NULL != mod; mod = mod->next)
+ {
+ if (NULL != prev)
+ GNUNET_free (prev);
+ prev = mod;
+ }
+ if (NULL != prev)
+ GNUNET_free (prev);
+
+ GNUNET_free (env);
+}
--- /dev/null
+/*
+ * This file is part of GNUnet
+ * Copyright (C) 2013 Christian Grothoff (and other contributing authors)
+ *
+ * GNUnet is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 3, or (at your
+ * option) any later version.
+ *
+ * GNUnet is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNUnet; see the file COPYING. If not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * @file psycstore/psyc_util_lib.c
+ * @brief PSYC utilities; receiving/transmitting/logging PSYC messages.
+ * @author Gabor X Toth
+ */
+
+#include <inttypes.h>
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_psyc_util_lib.h"
+#include "gnunet_psyc_service.h"
+
+#define LOG(kind,...) GNUNET_log_from (kind, "psyc-util",__VA_ARGS__)
+
+
+struct GNUNET_PSYC_TransmitHandle
+{
+ /**
+ * Client connection to service.
+ */
+ struct GNUNET_CLIENT_MANAGER_Connection *client;
+
+ /**
+ * Message currently being received from the client.
+ */
+ struct GNUNET_MessageHeader *msg;
+
+ /**
+ * Callback to request next modifier from client.
+ */
+ GNUNET_PSYC_TransmitNotifyModifier notify_mod;
+
+ /**
+ * Closure for the notify callbacks.
+ */
+ void *notify_mod_cls;
+
+ /**
+ * Callback to request next data fragment from client.
+ */
+ GNUNET_PSYC_TransmitNotifyData notify_data;
+
+ /**
+ * Closure for the notify callbacks.
+ */
+ void *notify_data_cls;
+
+ /**
+ * Modifier of the environment that is currently being transmitted.
+ */
+ struct GNUNET_PSYC_Modifier *mod;
+
+ /**
+ *
+ */
+ const char *mod_value;
+
+ /**
+ * Number of bytes remaining to be transmitted from the current modifier value.
+ */
+ uint32_t mod_value_remaining;
+
+ /**
+ * State of the current message being received from client.
+ */
+ enum GNUNET_PSYC_MessageState state;
+
+ /**
+ * Number of PSYC_TRANSMIT_ACK messages we are still waiting for.
+ */
+ uint8_t acks_pending;
+
+ /**
+ * Is transmission paused?
+ */
+ uint8_t paused;
+
+ /**
+ * Are we currently transmitting a message?
+ */
+ uint8_t in_transmit;
+
+ /**
+ * Notify callback is currently being called.
+ */
+ uint8_t in_notify;
+
+};
+
+
+
+struct GNUNET_PSYC_ReceiveHandle
+{
+ /**
+ * Message callback.
+ */
+ GNUNET_PSYC_MessageCallback message_cb;
+
+ /**
+ * Message part callback.
+ */
+ GNUNET_PSYC_MessagePartCallback message_part_cb;
+
+ /**
+ * Closure for the callbacks.
+ */
+ void *cb_cls;
+
+ /**
+ * ID of the message being received from the PSYC service.
+ */
+ uint64_t message_id;
+
+ /**
+ * Public key of the slave from which a message is being received.
+ */
+ struct GNUNET_CRYPTO_EcdsaPublicKey slave_key;
+
+ /**
+ * State of the currently being received message from the PSYC service.
+ */
+ enum GNUNET_PSYC_MessageState state;
+
+ /**
+ * Flags for the currently being received message from the PSYC service.
+ */
+ enum GNUNET_PSYC_MessageFlags flags;
+
+ /**
+ * Expected value size for the modifier being received from the PSYC service.
+ */
+ uint32_t mod_value_size_expected;
+
+ /**
+ * Actual value size for the modifier being received from the PSYC service.
+ */
+ uint32_t mod_value_size;
+};
+
+
+/**** Messages ****/
+
+
+/**
+ * Create a PSYC message.
+ *
+ * @param method_name
+ * PSYC method for the message.
+ * @param env
+ * Environment for the message.
+ * @param data
+ * Data payload for the message.
+ * @param data_size
+ * Size of @a data.
+ *
+ * @return Message header with size information,
+ * followed by the message parts.
+ */
+struct GNUNET_PSYC_Message *
+GNUNET_PSYC_message_create (const char *method_name,
+ const struct GNUNET_PSYC_Environment *env,
+ const void *data,
+ size_t data_size)
+{
+ struct GNUNET_PSYC_Modifier *mod = NULL;
+ struct GNUNET_PSYC_MessageMethod *pmeth = NULL;
+ struct GNUNET_PSYC_MessageModifier *pmod = NULL;
+ struct GNUNET_MessageHeader *pmsg = NULL;
+ uint16_t env_size = 0;
+ if (NULL != env)
+ {
+ mod = GNUNET_PSYC_env_head (env);
+ while (NULL != mod)
+ {
+ env_size += sizeof (*pmod) + strlen (mod->name) + 1 + mod->value_size;
+ mod = mod->next;
+ }
+ }
+
+ struct GNUNET_PSYC_Message *msg;
+ uint16_t method_name_size = strlen (method_name) + 1;
+ if (method_name_size == 1)
+ return NULL;
+
+ uint16_t msg_size = sizeof (*msg) /* header */
+ + sizeof (*pmeth) + method_name_size /* method */
+ + env_size /* modifiers */
+ + ((0 < data_size) ? sizeof (*pmsg) + data_size : 0) /* data */
+ + sizeof (*pmsg); /* end of message */
+ msg = GNUNET_malloc (msg_size);
+ msg->header.size = htons (msg_size);
+ msg->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE); /* FIXME */
+
+ pmeth = (struct GNUNET_PSYC_MessageMethod *) &msg[1];
+ pmeth->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD);
+ pmeth->header.size = htons (sizeof (*pmeth) + method_name_size);
+ memcpy (&pmeth[1], method_name, method_name_size);
+
+ uint16_t p = sizeof (*msg) + sizeof (*pmeth) + method_name_size;
+ if (NULL != env)
+ {
+ mod = GNUNET_PSYC_env_head (env);
+ while (NULL != mod)
+ {
+ uint16_t mod_name_size = strlen (mod->name) + 1;
+ pmod = (struct GNUNET_PSYC_MessageModifier *) ((char *) msg + p);
+ pmod->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER);
+ pmod->header.size = sizeof (*pmod) + mod_name_size + mod->value_size;
+ p += pmod->header.size;
+ pmod->header.size = htons (pmod->header.size);
+
+ pmod->oper = mod->oper;
+ pmod->name_size = htons (mod_name_size);
+ pmod->value_size = htonl (mod->value_size);
+
+ memcpy (&pmod[1], mod->name, mod_name_size);
+ if (0 < mod->value_size)
+ memcpy ((char *) &pmod[1] + mod_name_size, mod->value, mod->value_size);
+
+ mod = mod->next;
+ }
+ }
+
+ if (0 < data_size)
+ {
+ pmsg = (struct GNUNET_MessageHeader *) ((char *) msg + p);
+ pmsg->size = sizeof (*pmsg) + data_size;
+ p += pmsg->size;
+ pmsg->size = htons (pmsg->size);
+ pmsg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA);
+ memcpy (&pmsg[1], data, data_size);
+ }
+
+ pmsg = (struct GNUNET_MessageHeader *) ((char *) msg + p);
+ pmsg->size = htons (sizeof (*pmsg));
+ pmsg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END);
+
+ GNUNET_assert (p + sizeof (*pmsg) == msg_size);
+ return msg;
+}
+
+
+void
+GNUNET_PSYC_log_message (enum GNUNET_ErrorType kind,
+ const struct GNUNET_MessageHeader *msg)
+{
+ uint16_t size = ntohs (msg->size);
+ uint16_t type = ntohs (msg->type);
+ GNUNET_log (kind, "Message of type %d and size %u:\n", type, size);
+ switch (type)
+ {
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE:
+ {
+ struct GNUNET_PSYC_MessageHeader *pmsg
+ = (struct GNUNET_PSYC_MessageHeader *) msg;
+ GNUNET_log (kind, "\tID: %" PRIu64 "\tflags: %x" PRIu32 "\n",
+ GNUNET_ntohll (pmsg->message_id), ntohl (pmsg->flags));
+ break;
+ }
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
+ {
+ struct GNUNET_PSYC_MessageMethod *meth
+ = (struct GNUNET_PSYC_MessageMethod *) msg;
+ GNUNET_log (kind, "\t%.*s\n", size - sizeof (*meth), &meth[1]);
+ break;
+ }
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
+ {
+ struct GNUNET_PSYC_MessageModifier *mod
+ = (struct GNUNET_PSYC_MessageModifier *) msg;
+ uint16_t name_size = ntohs (mod->name_size);
+ char oper = ' ' < mod->oper ? mod->oper : ' ';
+ GNUNET_log (kind, "\t%c%.*s\t%.*s\n", oper, name_size, &mod[1],
+ size - sizeof (*mod) - name_size,
+ ((char *) &mod[1]) + name_size);
+ break;
+ }
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
+ GNUNET_log (kind, "\t%.*s\n", size - sizeof (*msg), &msg[1]);
+ break;
+ }
+}
+
+
+/**** Transmitting messages ****/
+
+
+/**
+ * Create a transmission handle.
+ */
+struct GNUNET_PSYC_TransmitHandle *
+GNUNET_PSYC_transmit_create (struct GNUNET_CLIENT_MANAGER_Connection *client)
+{
+ struct GNUNET_PSYC_TransmitHandle *tmit = GNUNET_malloc (sizeof (*tmit));
+ tmit->client = client;
+ return tmit;
+}
+
+
+/**
+ * Destroy a transmission handle.
+ */
+void
+GNUNET_PSYC_transmit_destroy (struct GNUNET_PSYC_TransmitHandle *tmit)
+{
+ GNUNET_free (tmit);
+}
+
+
+/**
+ * Queue a message part for transmission.
+ *
+ * The message part is added to the current message buffer.
+ * When this buffer is full, it is added to the transmission queue.
+ *
+ * @param tmit
+ * Transmission handle.
+ * @param msg
+ * Message part, or NULL.
+ * @param tmit_now
+ * Transmit message now, or wait for buffer to fill up?
+ * #GNUNET_YES or #GNUNET_NO.
+ */
+static void
+transmit_queue_insert (struct GNUNET_PSYC_TransmitHandle *tmit,
+ const struct GNUNET_MessageHeader *msg,
+ uint8_t tmit_now)
+{
+ uint16_t size = (NULL != msg) ? ntohs (msg->size) : 0;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Queueing message part of type %u and size %u (tmit_now: %u)).\n",
+ NULL != msg ? ntohs (msg->type) : 0, size, tmit_now);
+
+ if (NULL != tmit->msg)
+ {
+ if (NULL == msg
+ || GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD < tmit->msg->size + size)
+ {
+ /* End of message or buffer is full, add it to transmission queue
+ * and start with empty buffer */
+ tmit->msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE);
+ tmit->msg->size = htons (tmit->msg->size);
+ GNUNET_CLIENT_MANAGER_transmit (tmit->client, tmit->msg);
+ tmit->msg = NULL;
+ tmit->acks_pending++;
+ }
+ else
+ {
+ /* Message fits in current buffer, append */
+ tmit->msg = GNUNET_realloc (tmit->msg, tmit->msg->size + size);
+ memcpy ((char *) tmit->msg + tmit->msg->size, msg, size);
+ tmit->msg->size += size;
+ }
+ }
+
+ if (NULL == tmit->msg && NULL != msg)
+ {
+ /* Empty buffer, copy over message. */
+ tmit->msg = GNUNET_malloc (sizeof (*tmit->msg) + size);
+ tmit->msg->size = sizeof (*tmit->msg) + size;
+ memcpy (&tmit->msg[1], msg, size);
+ }
+
+ if (NULL != tmit->msg
+ && (GNUNET_YES == tmit_now
+ || (GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD
+ < tmit->msg->size + sizeof (struct GNUNET_MessageHeader))))
+ {
+ /* End of message or buffer is full, add it to transmission queue. */
+ tmit->msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE);
+ tmit->msg->size = htons (tmit->msg->size);
+ GNUNET_CLIENT_MANAGER_transmit (tmit->client, tmit->msg);
+ tmit->msg = NULL;
+ tmit->acks_pending++;
+ }
+}
+
+
+/**
+ * Request data from client to transmit.
+ *
+ * @param tmit Transmission handle.
+ */
+static void
+transmit_data (struct GNUNET_PSYC_TransmitHandle *tmit)
+{
+ int notify_ret = GNUNET_YES;
+ uint16_t data_size = 0;
+ char data[GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD] = "";
+ struct GNUNET_MessageHeader *msg = (struct GNUNET_MessageHeader *) data;
+ msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA);
+
+ if (NULL != tmit->notify_data)
+ {
+ data_size = GNUNET_PSYC_DATA_MAX_PAYLOAD;
+ tmit->in_notify = GNUNET_YES;
+ notify_ret = tmit->notify_data (tmit->notify_data_cls, &data_size, &msg[1]);
+ tmit->in_notify = GNUNET_NO;
+ }
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "transmit_data (ret: %d, size: %u): %.*s\n",
+ notify_ret, data_size, data_size, &msg[1]);
+ switch (notify_ret)
+ {
+ case GNUNET_NO:
+ if (0 == data_size)
+ {
+ /* Transmission paused, nothing to send. */
+ tmit->paused = GNUNET_YES;
+ return;
+ }
+ break;
+
+ case GNUNET_YES:
+ tmit->state = GNUNET_PSYC_MESSAGE_STATE_END;
+ break;
+
+ default:
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "TransmitNotifyData callback returned error when requesting data.\n");
+
+ tmit->state = GNUNET_PSYC_MESSAGE_STATE_CANCEL;
+ msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL);
+ msg->size = htons (sizeof (*msg));
+ transmit_queue_insert (tmit, msg, GNUNET_YES);
+ tmit->in_transmit = GNUNET_NO;
+ return;
+ }
+
+ if (0 < data_size)
+ {
+ GNUNET_assert (data_size <= GNUNET_PSYC_DATA_MAX_PAYLOAD);
+ msg->size = htons (sizeof (*msg) + data_size);
+ transmit_queue_insert (tmit, msg, !notify_ret);
+ }
+
+ /* End of message. */
+ if (GNUNET_YES == notify_ret)
+ {
+ msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END);
+ msg->size = htons (sizeof (*msg));
+ transmit_queue_insert (tmit, msg, GNUNET_YES);
+ /* FIXME: wait for ACK before setting in_transmit to no */
+ tmit->in_transmit = GNUNET_NO;
+ }
+}
+
+
+/**
+ * Request a modifier from a client to transmit.
+ *
+ * @param tmit Transmission handle.
+ */
+static void
+transmit_mod (struct GNUNET_PSYC_TransmitHandle *tmit)
+{
+ uint16_t max_data_size = 0;
+ uint16_t data_size = 0;
+ char data[GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD] = "";
+ struct GNUNET_MessageHeader *msg = (struct GNUNET_MessageHeader *) data;
+ int notify_ret = GNUNET_YES;
+
+ switch (tmit->state)
+ {
+ case GNUNET_PSYC_MESSAGE_STATE_MODIFIER:
+ {
+ struct GNUNET_PSYC_MessageModifier *mod
+ = (struct GNUNET_PSYC_MessageModifier *) msg;
+ msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER);
+ msg->size = sizeof (struct GNUNET_PSYC_MessageModifier);
+
+ if (NULL != tmit->notify_mod)
+ {
+ max_data_size = GNUNET_PSYC_MODIFIER_MAX_PAYLOAD;
+ data_size = max_data_size;
+ tmit->in_notify = GNUNET_YES;
+ notify_ret = tmit->notify_mod (tmit->notify_mod_cls, &data_size, &mod[1],
+ &mod->oper, &mod->value_size);
+ tmit->in_notify = GNUNET_NO;
+ }
+
+ mod->name_size = strnlen ((char *) &mod[1], data_size) + 1;
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "transmit_mod (ret: %d, size: %u + %u): %.*s\n",
+ notify_ret, mod->name_size, mod->value_size, data_size, &mod[1]);
+ if (mod->name_size < data_size)
+ {
+ tmit->mod_value_remaining
+ = mod->value_size - (data_size - mod->name_size);
+ mod->value_size = htonl (mod->value_size);
+ mod->name_size = htons (mod->name_size);
+ }
+ else if (0 < data_size)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got invalid modifier name.\n");
+ notify_ret = GNUNET_SYSERR;
+ }
+ break;
+ }
+ case GNUNET_PSYC_MESSAGE_STATE_MOD_CONT:
+ {
+ msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT);
+ msg->size = sizeof (struct GNUNET_MessageHeader);
+
+ if (NULL != tmit->notify_mod)
+ {
+ max_data_size = GNUNET_PSYC_MOD_CONT_MAX_PAYLOAD;
+ data_size = max_data_size;
+ tmit->in_notify = GNUNET_YES;
+ notify_ret = tmit->notify_mod (tmit->notify_mod_cls,
+ &data_size, &msg[1], NULL, NULL);
+ tmit->in_notify = GNUNET_NO;
+ }
+ tmit->mod_value_remaining -= data_size;
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "transmit_mod (ret: %d, size: %u): %.*s\n",
+ notify_ret, data_size, data_size, &msg[1]);
+ break;
+ }
+ default:
+ GNUNET_assert (0);
+ }
+
+ switch (notify_ret)
+ {
+ case GNUNET_NO:
+ if (0 == data_size)
+ { /* Transmission paused, nothing to send. */
+ tmit->paused = GNUNET_YES;
+ return;
+ }
+ tmit->state
+ = (0 == tmit->mod_value_remaining)
+ ? GNUNET_PSYC_MESSAGE_STATE_MODIFIER
+ : GNUNET_PSYC_MESSAGE_STATE_MOD_CONT;
+ break;
+
+ case GNUNET_YES: /* End of modifiers. */
+ GNUNET_assert (0 == tmit->mod_value_remaining);
+ break;
+
+ default:
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "TransmitNotifyModifier callback returned with error.\n");
+
+ tmit->state = GNUNET_PSYC_MESSAGE_STATE_CANCEL;
+ msg->type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL);
+ msg->size = htons (sizeof (*msg));
+ transmit_queue_insert (tmit, msg, GNUNET_YES);
+ tmit->in_transmit = GNUNET_NO;
+ return;
+ }
+
+ if (0 < data_size)
+ {
+ GNUNET_assert (data_size <= max_data_size);
+ msg->size = htons (msg->size + data_size);
+ transmit_queue_insert (tmit, msg, GNUNET_NO);
+ }
+
+ if (GNUNET_YES == notify_ret)
+ {
+ tmit->state = GNUNET_PSYC_MESSAGE_STATE_DATA;
+ if (0 == tmit->acks_pending)
+ transmit_data (tmit);
+ }
+ else
+ {
+ transmit_mod (tmit);
+ }
+}
+
+
+int
+transmit_notify_env (void *cls, uint16_t *data_size, void *data, uint8_t *oper,
+ uint32_t *full_value_size)
+
+{
+ struct GNUNET_PSYC_TransmitHandle *tmit = cls;
+ uint16_t name_size = 0;
+ uint32_t value_size = 0;
+ const char *value = NULL;
+
+ if (NULL != oper)
+ { /* New modifier */
+ if (NULL != tmit->mod)
+ tmit->mod = tmit->mod->next;
+ if (NULL == tmit->mod)
+ { /* No more modifiers, continue with data */
+ *data_size = 0;
+ return GNUNET_YES;
+ }
+
+ GNUNET_assert (tmit->mod->value_size < UINT32_MAX);
+ *full_value_size = tmit->mod->value_size;
+ *oper = tmit->mod->oper;
+ name_size = strlen (tmit->mod->name) + 1;
+
+ if (name_size + tmit->mod->value_size <= *data_size)
+ {
+ value_size = tmit->mod->value_size;
+ *data_size = name_size + value_size;
+ }
+ else /* full modifier does not fit in data, continuation needed */
+ {
+ value_size = *data_size - name_size;
+ tmit->mod_value = tmit->mod->value + value_size;
+ }
+
+ memcpy (data, tmit->mod->name, name_size);
+ memcpy ((char *)data + name_size, tmit->mod->value, value_size);
+ return GNUNET_NO;
+ }
+ else
+ { /* Modifier continuation */
+ GNUNET_assert (NULL != tmit->mod_value && 0 < tmit->mod_value_remaining);
+ value = tmit->mod_value;
+ if (tmit->mod_value_remaining <= *data_size)
+ {
+ value_size = tmit->mod_value_remaining;
+ tmit->mod_value = NULL;
+ }
+ else
+ {
+ value_size = *data_size;
+ tmit->mod_value += value_size;
+ }
+
+ if (*data_size < value_size)
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Value in environment larger than buffer: %u < %zu\n",
+ *data_size, value_size);
+ *data_size = 0;
+ return GNUNET_NO;
+ }
+
+ *data_size = value_size;
+ memcpy (data, value, value_size);
+ return (NULL == tmit->mod_value) ? GNUNET_YES : GNUNET_NO;
+ }
+}
+
+
+/**
+ * Transmit a message.
+ *
+ * @param tmit
+ * Transmission handle.
+ * @param method_name
+ * Which method should be invoked.
+ * @param env
+ * Environment for the message.
+ * Should stay available until the first call to notify_data.
+ * Can be NULL if there are no modifiers or @a notify_mod is
+ * provided instead.
+ * @param notify_mod
+ * Function to call to obtain modifiers.
+ * Can be NULL if there are no modifiers or @a env is provided instead.
+ * @param notify_data
+ * Function to call to obtain fragments of the data.
+ * @param notify_cls
+ * Closure for @a notify_mod and @a notify_data.
+ * @param flags
+ * Flags for the message being transmitted.
+ *
+ * @return #GNUNET_OK if the transmission was started.
+ * #GNUNET_SYSERR if another transmission is already going on.
+ */
+int
+GNUNET_PSYC_transmit_message (struct GNUNET_PSYC_TransmitHandle *tmit,
+ const char *method_name,
+ const struct GNUNET_PSYC_Environment *env,
+ GNUNET_PSYC_TransmitNotifyModifier notify_mod,
+ GNUNET_PSYC_TransmitNotifyData notify_data,
+ void *notify_cls,
+ uint32_t flags)
+{
+ if (GNUNET_NO != tmit->in_transmit)
+ return GNUNET_SYSERR;
+ tmit->in_transmit = GNUNET_YES;
+
+ size_t size = strlen (method_name) + 1;
+ struct GNUNET_PSYC_MessageMethod *pmeth;
+ tmit->msg = GNUNET_malloc (sizeof (*tmit->msg) + sizeof (*pmeth) + size);
+ tmit->msg->size = sizeof (*tmit->msg) + sizeof (*pmeth) + size;
+
+ if (NULL != notify_mod)
+ {
+ tmit->notify_mod = notify_mod;
+ tmit->notify_mod_cls = notify_cls;
+ }
+ else
+ {
+ tmit->notify_mod = &transmit_notify_env;
+ tmit->notify_mod_cls = tmit;
+ if (NULL != env)
+ {
+ struct GNUNET_PSYC_Modifier mod = {};
+ mod.next = GNUNET_PSYC_env_head (env);
+ tmit->mod = &mod;
+
+ struct GNUNET_PSYC_Modifier *m = tmit->mod;
+ while (NULL != (m = m->next))
+ {
+ if (m->oper != GNUNET_PSYC_OP_SET)
+ flags |= GNUNET_PSYC_MASTER_TRANSMIT_STATE_MODIFY;
+ }
+ }
+ else
+ {
+ tmit->mod = NULL;
+ }
+ }
+
+ pmeth = (struct GNUNET_PSYC_MessageMethod *) &tmit->msg[1];
+ pmeth->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD);
+ pmeth->header.size = htons (sizeof (*pmeth) + size);
+ pmeth->flags = htonl (flags);
+ memcpy (&pmeth[1], method_name, size);
+
+ tmit->state = GNUNET_PSYC_MESSAGE_STATE_MODIFIER;
+ tmit->notify_data = notify_data;
+ tmit->notify_data_cls = notify_cls;
+
+ transmit_mod (tmit);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Resume transmission.
+ *
+ * @param tmit Transmission handle.
+ */
+void
+GNUNET_PSYC_transmit_resume (struct GNUNET_PSYC_TransmitHandle *tmit)
+{
+ if (GNUNET_YES != tmit->in_transmit || GNUNET_NO != tmit->in_notify)
+ return;
+
+ if (0 == tmit->acks_pending)
+ {
+ tmit->paused = GNUNET_NO;
+ transmit_data (tmit);
+ }
+}
+
+
+/**
+ * Abort transmission request.
+ *
+ * @param tmit Transmission handle.
+ */
+void
+GNUNET_PSYC_transmit_cancel (struct GNUNET_PSYC_TransmitHandle *tmit)
+{
+ if (GNUNET_NO == tmit->in_transmit)
+ return;
+
+ tmit->state = GNUNET_PSYC_MESSAGE_STATE_CANCEL;
+ tmit->in_transmit = GNUNET_NO;
+ tmit->paused = GNUNET_NO;
+
+ /* FIXME */
+ struct GNUNET_MessageHeader msg;
+ msg.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA);
+ msg.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL);
+ msg.size = htons (sizeof (msg));
+ transmit_queue_insert (tmit, &msg, GNUNET_YES);
+}
+
+
+/**
+ * Got acknowledgement of a transmitted message part, continue transmission.
+ *
+ * @param tmit Transmission handle.
+ */
+void
+GNUNET_PSYC_transmit_got_ack (struct GNUNET_PSYC_TransmitHandle *tmit)
+{
+ if (0 == tmit->acks_pending)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING, "Ignoring extraneous message ACK\n");
+ GNUNET_break (0);
+ return;
+ }
+ tmit->acks_pending--;
+
+ switch (tmit->state)
+ {
+ case GNUNET_PSYC_MESSAGE_STATE_MODIFIER:
+ case GNUNET_PSYC_MESSAGE_STATE_MOD_CONT:
+ transmit_mod (tmit);
+ break;
+
+ case GNUNET_PSYC_MESSAGE_STATE_DATA:
+ transmit_data (tmit);
+ break;
+
+ case GNUNET_PSYC_MESSAGE_STATE_END:
+ case GNUNET_PSYC_MESSAGE_STATE_CANCEL:
+ break;
+
+ default:
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Ignoring message ACK in state %u.\n", tmit->state);
+ }
+}
+
+
+/**** Receiving messages ****/
+
+
+/**
+ * Create handle for receiving messages.
+ */
+struct GNUNET_PSYC_ReceiveHandle *
+GNUNET_PSYC_receive_create (GNUNET_PSYC_MessageCallback message_cb,
+ GNUNET_PSYC_MessagePartCallback message_part_cb,
+ void *cb_cls)
+{
+ struct GNUNET_PSYC_ReceiveHandle *recv = GNUNET_malloc (sizeof (*recv));
+ recv->message_cb = message_cb;
+ recv->message_part_cb = message_part_cb;
+ recv->cb_cls = cb_cls;
+ return recv;
+}
+
+
+/**
+ * Destroy handle for receiving messages.
+ */
+void
+GNUNET_PSYC_receive_destroy (struct GNUNET_PSYC_ReceiveHandle *recv)
+{
+ GNUNET_free (recv);
+}
+
+
+/**
+ * Reset stored data related to the last received message.
+ */
+void
+GNUNET_PSYC_receive_reset (struct GNUNET_PSYC_ReceiveHandle *recv)
+{
+ recv->state = GNUNET_PSYC_MESSAGE_STATE_START;
+ recv->flags = 0;
+ recv->message_id = 0;
+ recv->mod_value_size = 0;
+ recv->mod_value_size_expected = 0;
+}
+
+
+static void
+recv_error (struct GNUNET_PSYC_ReceiveHandle *recv)
+{
+ if (NULL != recv->message_part_cb)
+ recv->message_part_cb (recv->cb_cls, NULL, recv->message_id, recv->flags,
+ 0, NULL);
+
+ if (NULL != recv->message_cb)
+ recv->message_cb (recv->cb_cls, recv->message_id, recv->flags, NULL);
+
+ GNUNET_PSYC_receive_reset (recv);
+}
+
+
+/**
+ * Handle incoming PSYC message.
+ *
+ * @param recv Receive handle.
+ * @param msg The message.
+ *
+ * @return #GNUNET_OK on success,
+ * #GNUNET_SYSERR on receive error.
+ */
+int
+GNUNET_PSYC_receive_message (struct GNUNET_PSYC_ReceiveHandle *recv,
+ const struct GNUNET_PSYC_MessageHeader *msg)
+{
+ uint16_t size = ntohs (msg->header.size);
+ uint32_t flags = ntohl (msg->flags);
+ uint64_t message_id;
+
+ GNUNET_PSYC_log_message (GNUNET_ERROR_TYPE_DEBUG,
+ (struct GNUNET_MessageHeader *) msg);
+
+ if (GNUNET_PSYC_MESSAGE_STATE_START == recv->state)
+ {
+ recv->message_id = GNUNET_ntohll (msg->message_id);
+ recv->flags = flags;
+ recv->slave_key = msg->slave_key;
+ recv->mod_value_size = 0;
+ recv->mod_value_size_expected = 0;
+ }
+ else if (GNUNET_ntohll (msg->message_id) != recv->message_id)
+ {
+ // FIXME
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Unexpected message ID. Got: %" PRIu64 ", expected: %" PRIu64 "\n",
+ GNUNET_ntohll (msg->message_id), recv->message_id);
+ GNUNET_break_op (0);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+ else if (flags != recv->flags)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Unexpected message flags. Got: %lu, expected: %lu\n",
+ flags, recv->flags);
+ GNUNET_break_op (0);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+ message_id = recv->message_id;
+
+ uint16_t pos = 0, psize = 0, ptype, size_eq, size_min;
+
+ for (pos = 0; sizeof (*msg) + pos < size; pos += psize)
+ {
+ const struct GNUNET_MessageHeader *pmsg
+ = (const struct GNUNET_MessageHeader *) ((char *) &msg[1] + pos);
+ psize = ntohs (pmsg->size);
+ ptype = ntohs (pmsg->type);
+ size_eq = size_min = 0;
+
+ if (psize < sizeof (*pmsg) || sizeof (*msg) + pos + psize > size)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Dropping message of type %u with invalid size %u.\n",
+ ptype, psize);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received message part of type %u and size %u from PSYC.\n",
+ ptype, psize);
+ GNUNET_PSYC_log_message (GNUNET_ERROR_TYPE_DEBUG, pmsg);
+
+ switch (ptype)
+ {
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
+ size_min = sizeof (struct GNUNET_PSYC_MessageMethod);
+ break;
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
+ size_min = sizeof (struct GNUNET_PSYC_MessageModifier);
+ break;
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
+ size_min = sizeof (struct GNUNET_MessageHeader);
+ break;
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END:
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL:
+ size_eq = sizeof (struct GNUNET_MessageHeader);
+ break;
+ default:
+ GNUNET_break_op (0);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+
+ if (! ((0 < size_eq && psize == size_eq)
+ || (0 < size_min && size_min <= psize)))
+ {
+ GNUNET_break_op (0);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+
+ switch (ptype)
+ {
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
+ {
+ struct GNUNET_PSYC_MessageMethod *meth
+ = (struct GNUNET_PSYC_MessageMethod *) pmsg;
+
+ if (GNUNET_PSYC_MESSAGE_STATE_START != recv->state)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Dropping out of order message method (%u).\n",
+ recv->state);
+ /* It is normal to receive an incomplete message right after connecting,
+ * but should not happen later.
+ * FIXME: add a check for this condition.
+ */
+ GNUNET_break_op (0);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+
+ if ('\0' != *((char *) meth + psize - 1))
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Dropping message with malformed method. "
+ "Message ID: %" PRIu64 "\n", recv->message_id);
+ GNUNET_break_op (0);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+ recv->state = GNUNET_PSYC_MESSAGE_STATE_METHOD;
+ break;
+ }
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
+ {
+ if (!(GNUNET_PSYC_MESSAGE_STATE_METHOD == recv->state
+ || GNUNET_PSYC_MESSAGE_STATE_MODIFIER == recv->state
+ || GNUNET_PSYC_MESSAGE_STATE_MOD_CONT == recv->state))
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Dropping out of order message modifier (%u).\n",
+ recv->state);
+ GNUNET_break_op (0);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+
+ struct GNUNET_PSYC_MessageModifier *mod
+ = (struct GNUNET_PSYC_MessageModifier *) pmsg;
+
+ uint16_t name_size = ntohs (mod->name_size);
+ recv->mod_value_size_expected = ntohl (mod->value_size);
+ recv->mod_value_size = psize - sizeof (*mod) - name_size;
+
+ if (psize < sizeof (*mod) + name_size
+ || '\0' != *((char *) &mod[1] + name_size - 1)
+ || recv->mod_value_size_expected < recv->mod_value_size)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING, "Dropping malformed modifier.\n");
+ GNUNET_break_op (0);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+ recv->state = GNUNET_PSYC_MESSAGE_STATE_MODIFIER;
+ break;
+ }
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
+ {
+ recv->mod_value_size += psize - sizeof (*pmsg);
+
+ if (!(GNUNET_PSYC_MESSAGE_STATE_MODIFIER == recv->state
+ || GNUNET_PSYC_MESSAGE_STATE_MOD_CONT == recv->state)
+ || recv->mod_value_size_expected < recv->mod_value_size)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Dropping out of order message modifier continuation "
+ "!(%u == %u || %u == %u) || %lu < %lu.\n",
+ GNUNET_PSYC_MESSAGE_STATE_MODIFIER, recv->state,
+ GNUNET_PSYC_MESSAGE_STATE_MOD_CONT, recv->state,
+ recv->mod_value_size_expected, recv->mod_value_size);
+ GNUNET_break_op (0);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+ break;
+ }
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
+ {
+ if (recv->state < GNUNET_PSYC_MESSAGE_STATE_METHOD
+ || recv->mod_value_size_expected != recv->mod_value_size)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Dropping out of order message data fragment "
+ "(%u < %u || %lu != %lu).\n",
+ recv->state, GNUNET_PSYC_MESSAGE_STATE_METHOD,
+ recv->mod_value_size_expected, recv->mod_value_size);
+
+ GNUNET_break_op (0);
+ recv_error (recv);
+ return GNUNET_SYSERR;
+ }
+ recv->state = GNUNET_PSYC_MESSAGE_STATE_DATA;
+ break;
+ }
+ }
+
+ if (NULL != recv->message_part_cb)
+ recv->message_part_cb (recv->cb_cls, &recv->slave_key,
+ recv->message_id, recv->flags,
+ 0, // FIXME: data_offset
+ pmsg);
+
+ switch (ptype)
+ {
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END:
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL:
+ GNUNET_PSYC_receive_reset (recv);
+ break;
+ }
+ }
+
+ if (NULL != recv->message_cb)
+ recv->message_cb (recv->cb_cls, message_id, flags, msg);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Check if @a data contains a series of valid message parts.
+ *
+ * @param data_size Size of @a data.
+ * @param data Data.
+ * @param[out] first_ptype Type of first message part.
+ * @param[out] last_ptype Type of last message part.
+ *
+ * @return Number of message parts found in @a data.
+ * or GNUNET_SYSERR if the message contains invalid parts.
+ */
+int
+GNUNET_PSYC_receive_check_parts (uint16_t data_size, const char *data,
+ uint16_t *first_ptype, uint16_t *last_ptype)
+{
+ const struct GNUNET_MessageHeader *pmsg;
+ uint16_t parts = 0, ptype = 0, psize = 0, pos = 0;
+ if (NULL != first_ptype)
+ *first_ptype = 0;
+ if (NULL != last_ptype)
+ *last_ptype = 0;
+
+ for (pos = 0; pos < data_size; pos += psize, parts++)
+ {
+ pmsg = (const struct GNUNET_MessageHeader *) (data + pos);
+ GNUNET_PSYC_log_message (GNUNET_ERROR_TYPE_DEBUG, pmsg);
+ psize = ntohs (pmsg->size);
+ ptype = ntohs (pmsg->type);
+ if (0 == parts && NULL != first_ptype)
+ *first_ptype = ptype;
+ if (NULL != last_ptype
+ && *last_ptype < GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END)
+ *last_ptype = ptype;
+ if (psize < sizeof (*pmsg)
+ || pos + psize > data_size
+ || ptype < GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD
+ || GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL < ptype)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Invalid message part of type %u and size %u.\n",
+ ptype, psize);
+ return GNUNET_SYSERR;
+ }
+ /** @todo FIXME: check message part order */
+ }
+ return parts;
+}
+
+
+struct ParseMessageClosure
+{
+ struct GNUNET_PSYC_Environment *env;
+ const char **method_name;
+ const void **data;
+ uint16_t *data_size;
+ enum GNUNET_PSYC_MessageState msg_state;
+};
+
+
+static void
+parse_message_part_cb (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *slave_key,
+ uint64_t message_id, uint32_t flags, uint64_t data_offset,
+ const struct GNUNET_MessageHeader *msg)
+{
+ struct ParseMessageClosure *pmc = cls;
+ if (NULL == msg)
+ {
+ pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_ERROR;
+ return;
+ }
+
+ switch (ntohs (msg->type))
+ {
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
+ {
+ struct GNUNET_PSYC_MessageMethod *
+ pmeth = (struct GNUNET_PSYC_MessageMethod *) msg;
+ *pmc->method_name = (const char *) &pmeth[1];
+ pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_METHOD;
+ break;
+ }
+
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
+ {
+ struct GNUNET_PSYC_MessageModifier *
+ pmod = (struct GNUNET_PSYC_MessageModifier *) msg;
+
+ const char *name = (const char *) &pmod[1];
+ const void *value = name + ntohs (pmod->name_size);
+ GNUNET_PSYC_env_add (pmc->env, pmod->oper, name, value,
+ ntohl (pmod->value_size));
+ pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_MODIFIER;
+ break;
+ }
+
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
+ *pmc->data = &msg[1];
+ *pmc->data_size = ntohs (msg->size) - sizeof (*msg);
+ pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_DATA;
+ break;
+
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END:
+ pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_END;
+ break;
+
+ default:
+ pmc->msg_state = GNUNET_PSYC_MESSAGE_STATE_ERROR;
+ }
+}
+
+
+/**
+ * Parse PSYC message.
+ *
+ * @param msg
+ * The PSYC message to parse.
+ * @param[out] method_name
+ * Pointer to the method name inside @a pmsg.
+ * @param env
+ * The environment for the message with a list of modifiers.
+ * @param[out] data
+ * Pointer to data inside @a pmsg.
+ * @param[out] data_size
+ * Size of @data is written here.
+ *
+ * @return #GNUNET_OK on success,
+ * #GNUNET_SYSERR on parse error.
+ */
+int
+GNUNET_PSYC_message_parse (const struct GNUNET_PSYC_MessageHeader *msg,
+ const char **method_name,
+ struct GNUNET_PSYC_Environment *env,
+ const void **data,
+ uint16_t *data_size)
+{
+ struct ParseMessageClosure cls;
+ cls.env = env;
+ cls.method_name = method_name;
+ cls.data = data;
+ cls.data_size = data_size;
+
+ struct GNUNET_PSYC_ReceiveHandle *
+ recv = GNUNET_PSYC_receive_create (NULL, parse_message_part_cb, &cls);
+ int ret = GNUNET_PSYC_receive_message (recv, msg);
+ GNUNET_PSYC_receive_destroy (recv);
+
+ if (GNUNET_OK != ret)
+ return GNUNET_SYSERR;
+
+ return (GNUNET_PSYC_MESSAGE_STATE_END == cls.msg_state)
+ ? GNUNET_OK
+ : GNUNET_NO;
+}
+
+
+/**
+ * Initialize PSYC message header.
+ */
+void
+GNUNET_PSYC_message_header_init (struct GNUNET_PSYC_MessageHeader *pmsg,
+ const struct GNUNET_MULTICAST_MessageHeader *mmsg,
+ uint32_t flags)
+{
+ uint16_t size = ntohs (mmsg->header.size);
+ uint16_t psize = sizeof (*pmsg) + size - sizeof (*mmsg);
+
+ pmsg->header.size = htons (psize);
+ pmsg->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE);
+ pmsg->message_id = mmsg->message_id;
+ pmsg->fragment_offset = mmsg->fragment_offset;
+ pmsg->flags = htonl (flags);
+
+ memcpy (&pmsg[1], &mmsg[1], size - sizeof (*mmsg));
+}
+
+
+/**
+ * Create a new PSYC message header from a multicast message.
+ */
+struct GNUNET_PSYC_MessageHeader *
+GNUNET_PSYC_message_header_create (const struct GNUNET_MULTICAST_MessageHeader *mmsg,
+ uint32_t flags)
+{
+ struct GNUNET_PSYC_MessageHeader *pmsg;
+ uint16_t size = ntohs (mmsg->header.size);
+ uint16_t psize = sizeof (*pmsg) + size - sizeof (*mmsg);
+
+ pmsg = GNUNET_malloc (psize);
+ GNUNET_PSYC_message_header_init (pmsg, mmsg, flags);
+ return pmsg;
+}
+
+
+/**
+ * Create a new PSYC message header from a PSYC message.
+ */
+struct GNUNET_PSYC_MessageHeader *
+GNUNET_PSYC_message_header_create_from_psyc (const struct GNUNET_PSYC_Message *msg)
+{
+ uint16_t msg_size = ntohs (msg->header.size);
+ struct GNUNET_PSYC_MessageHeader *
+ pmsg = GNUNET_malloc (sizeof (*pmsg) + msg_size - sizeof (*msg));
+ pmsg->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE);
+ pmsg->header.size = htons (sizeof (*pmsg) + msg_size - sizeof (*msg));
+ memcpy (&pmsg[1], &msg[1], msg_size - sizeof (*msg));
+ return pmsg;
+}
--- /dev/null
+/*
+ * This file is part of GNUnet
+ * Copyright (C) 2013 Christian Grothoff (and other contributing authors)
+ *
+ * GNUnet is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 3, or (at your
+ * option) any later version.
+ *
+ * GNUnet is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNUnet; see the file COPYING. If not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * @author Gabor X Toth
+ *
+ * @file
+ * PSYC Slicer API
+ */
+
+#include <inttypes.h>
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_psyc_util_lib.h"
+
+#define LOG(kind,...) GNUNET_log_from (kind, "psyc-util-slicer",__VA_ARGS__)
+
+
+/**
+ * Handle for a try-and-slice instance.
+ */
+struct GNUNET_PSYC_Slicer
+{
+ /**
+ * Method handlers: H(method_name) -> SlicerMethodCallbacks
+ */
+ struct GNUNET_CONTAINER_MultiHashMap *method_handlers;
+
+ /**
+ * Modifier handlers: H(modifier_name) -> SlicerModifierCallbacks
+ */
+ struct GNUNET_CONTAINER_MultiHashMap *modifier_handlers;
+
+ /**
+ * Currently being processed message part.
+ */
+ const struct GNUNET_MessageHeader *msg;
+
+ /**
+ * ID of currently being received message.
+ */
+ uint64_t message_id;
+
+ /**
+ * Method name of currently being received message.
+ */
+ char *method_name;
+
+ /**
+ * Name of currently processed modifier.
+ */
+ char *mod_name;
+
+ /**
+ * Value of currently processed modifier.
+ */
+ char *mod_value;
+
+ /**
+ * Public key of the nym the current message originates from.
+ */
+ struct GNUNET_CRYPTO_EcdsaPublicKey nym_pub_key;
+
+ /**
+ * Size of @a method_name (including terminating \0).
+ */
+ uint16_t method_name_size;
+
+ /**
+ * Size of @a modifier_name (including terminating \0).
+ */
+ uint16_t mod_name_size;
+
+ /**
+ * Size of modifier value fragment.
+ */
+ uint16_t mod_value_size;
+
+ /**
+ * Full size of modifier value.
+ */
+ uint16_t mod_full_value_size;
+
+ /**
+ * Remaining bytes from the value of the current modifier.
+ */
+ uint16_t mod_value_remaining;
+
+ /**
+ * Operator of currently processed modifier.
+ */
+ uint8_t mod_oper;
+};
+
+
+/**
+ * Callbacks for a slicer method handler.
+ */
+struct SlicerMethodCallbacks
+{
+ GNUNET_PSYC_MethodCallback method_cb;
+ GNUNET_PSYC_ModifierCallback modifier_cb;
+ GNUNET_PSYC_DataCallback data_cb;
+ GNUNET_PSYC_EndOfMessageCallback eom_cb;
+ void *cls;
+};
+
+
+struct SlicerMethodRemoveClosure
+{
+ struct GNUNET_PSYC_Slicer *slicer;
+ struct SlicerMethodCallbacks rm_cbs;
+};
+
+
+/**
+ * Callbacks for a slicer method handler.
+ */
+struct SlicerModifierCallbacks
+{
+ GNUNET_PSYC_ModifierCallback modifier_cb;
+ void *cls;
+};
+
+
+struct SlicerModifierRemoveClosure
+{
+ struct GNUNET_PSYC_Slicer *slicer;
+ struct SlicerModifierCallbacks rm_cbs;
+};
+
+
+/**
+ * Call a method handler for an incoming message part.
+ */
+int
+slicer_method_handler_notify (void *cls, const struct GNUNET_HashCode *key,
+ void *value)
+{
+ struct GNUNET_PSYC_Slicer *slicer = cls;
+ const struct GNUNET_MessageHeader *msg = slicer->msg;
+ struct SlicerMethodCallbacks *cbs = value;
+ uint16_t ptype = ntohs (msg->type);
+
+ switch (ptype)
+ {
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
+ {
+ if (NULL == cbs->method_cb)
+ break;
+ struct GNUNET_PSYC_MessageMethod *
+ meth = (struct GNUNET_PSYC_MessageMethod *) msg;
+ cbs->method_cb (cbs->cls, meth, slicer->message_id,
+ ntohl (meth->flags),
+ &slicer->nym_pub_key,
+ slicer->method_name);
+ break;
+ }
+
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
+ {
+ if (NULL == cbs->modifier_cb)
+ break;
+ struct GNUNET_PSYC_MessageModifier *
+ mod = (struct GNUNET_PSYC_MessageModifier *) msg;
+ cbs->modifier_cb (cbs->cls, &mod->header, slicer->message_id,
+ mod->oper, (const char *) &mod[1],
+ (const void *) &mod[1] + ntohs (mod->name_size),
+ ntohs (mod->header.size) - sizeof (*mod) - ntohs (mod->name_size),
+ ntohs (mod->value_size));
+ break;
+ }
+
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
+ {
+ if (NULL == cbs->modifier_cb)
+ break;
+ cbs->modifier_cb (cbs->cls, msg, slicer->message_id,
+ slicer->mod_oper, slicer->mod_name, &msg[1],
+ ntohs (msg->size) - sizeof (*msg),
+ slicer->mod_full_value_size);
+ break;
+ }
+
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
+ {
+ if (NULL == cbs->data_cb)
+ break;
+ uint64_t data_offset = 0; // FIXME
+ cbs->data_cb (cbs->cls, msg, slicer->message_id,
+ data_offset, &msg[1], ntohs (msg->size) - sizeof (*msg));
+ break;
+ }
+
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END:
+ if (NULL == cbs->eom_cb)
+ break;
+ cbs->eom_cb (cbs->cls, msg, slicer->message_id, GNUNET_NO);
+ break;
+
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL:
+ if (NULL == cbs->eom_cb)
+ break;
+ cbs->eom_cb (cbs->cls, msg, slicer->message_id, GNUNET_YES);
+ break;
+ }
+ return GNUNET_YES;
+}
+
+
+/**
+ * Call a method handler for an incoming message part.
+ */
+int
+slicer_modifier_handler_notify (void *cls, const struct GNUNET_HashCode *key,
+ void *value)
+{
+ struct GNUNET_PSYC_Slicer *slicer = cls;
+ struct SlicerModifierCallbacks *cbs = value;
+
+ cbs->modifier_cb (cbs->cls, slicer->msg, slicer->message_id, slicer->mod_oper,
+ slicer->mod_name, slicer->mod_value,
+ slicer->mod_value_size, slicer->mod_full_value_size);
+ return GNUNET_YES;
+}
+
+
+/**
+ * Process an incoming message part and call matching handlers.
+ *
+ * @param cls
+ * Closure.
+ * @param message_id
+ * ID of the message.
+ * @param flags
+ * Flags for the message.
+ * @see enum GNUNET_PSYC_MessageFlags
+ * @param msg
+ * The message part. as it arrived from the network.
+ */
+void
+GNUNET_PSYC_slicer_message (void *cls, const struct GNUNET_CRYPTO_EcdsaPublicKey *slave_pub_key,
+ uint64_t message_id, uint32_t flags, uint64_t fragment_offset,
+ const struct GNUNET_MessageHeader *msg)
+{
+ struct GNUNET_PSYC_Slicer *slicer = cls;
+ slicer->nym_pub_key = *slave_pub_key;
+
+ uint16_t ptype = ntohs (msg->type);
+ if (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD == ptype)
+ {
+ struct GNUNET_PSYC_MessageMethod *
+ meth = (struct GNUNET_PSYC_MessageMethod *) msg;
+ slicer->method_name_size = ntohs (meth->header.size) - sizeof (*meth);
+ slicer->method_name = GNUNET_malloc (slicer->method_name_size);
+ memcpy (slicer->method_name, &meth[1], slicer->method_name_size);
+ slicer->message_id = message_id;
+ }
+ else
+ {
+ GNUNET_assert (message_id == slicer->message_id);
+ }
+
+ char *nym_str = GNUNET_CRYPTO_ecdsa_public_key_to_string (slave_pub_key);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Slicer received message of type %u and size %u, "
+ "with ID %" PRIu64 " and method %s from %s\n",
+ ptype, ntohs (msg->size), message_id, slicer->method_name, nym_str);
+ GNUNET_free (nym_str);
+
+ slicer->msg = msg;
+
+ /* try-and-slice modifier */
+
+ switch (ptype)
+ {
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
+ {
+ struct GNUNET_PSYC_MessageModifier *
+ mod = (struct GNUNET_PSYC_MessageModifier *) msg;
+ slicer->mod_oper = mod->oper;
+ slicer->mod_name_size = ntohs (mod->name_size);
+ slicer->mod_name = GNUNET_malloc (slicer->mod_name_size);
+ memcpy (slicer->mod_name, &mod[1], slicer->mod_name_size);
+ slicer->mod_value = (char *) &mod[1] + slicer->mod_name_size;
+ slicer->mod_full_value_size = ntohs (mod->value_size);
+ slicer->mod_value_remaining = slicer->mod_full_value_size;
+ slicer->mod_value_size
+ = ntohs (mod->header.size) - sizeof (*mod) - slicer->mod_name_size;
+ }
+ case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
+ if (ptype == GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT)
+ {
+ slicer->mod_value = (char *) &msg[1];
+ slicer->mod_value_size = ntohs (msg->size) - sizeof (*msg);
+ }
+ slicer->mod_value_remaining -= slicer->mod_value_size;
+ char *name = GNUNET_malloc (slicer->mod_name_size);
+ memcpy (name, slicer->mod_name, slicer->mod_name_size);
+ do
+ {
+ struct GNUNET_HashCode key;
+ uint16_t name_len = strlen (name);
+ GNUNET_CRYPTO_hash (name, name_len, &key);
+ GNUNET_CONTAINER_multihashmap_get_multiple (slicer->modifier_handlers, &key,
+ slicer_modifier_handler_notify,
+ slicer);
+ char *p = strrchr (name, '_');
+ if (NULL == p)
+ break;
+ *p = '\0';
+ } while (1);
+ GNUNET_free (name);
+ }
+
+ /* try-and-slice method */
+
+ char *name = GNUNET_malloc (slicer->method_name_size);
+ memcpy (name, slicer->method_name, slicer->method_name_size);
+ do
+ {
+ struct GNUNET_HashCode key;
+ uint16_t name_len = strlen (name);
+ GNUNET_CRYPTO_hash (name, name_len, &key);
+ GNUNET_CONTAINER_multihashmap_get_multiple (slicer->method_handlers, &key,
+ slicer_method_handler_notify,
+ slicer);
+ char *p = strrchr (name, '_');
+ if (NULL == p)
+ break;
+ *p = '\0';
+ } while (1);
+ GNUNET_free (name);
+
+ if (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END <= ptype)
+ GNUNET_free (slicer->method_name);
+
+ if (0 == slicer->mod_value_remaining && NULL != slicer->mod_name)
+ {
+ GNUNET_free (slicer->mod_name);
+ slicer->mod_name = NULL;
+ slicer->mod_name_size = 0;
+ slicer->mod_value_size = 0;
+ slicer->mod_full_value_size = 0;
+ slicer->mod_oper = 0;
+ }
+
+ slicer->msg = NULL;
+}
+
+
+/**
+ * Create a try-and-slice instance.
+ *
+ * A slicer processes incoming messages and notifies callbacks about matching
+ * methods or modifiers encountered.
+ *
+ * @return A new try-and-slice construct.
+ */
+struct GNUNET_PSYC_Slicer *
+GNUNET_PSYC_slicer_create (void)
+{
+ struct GNUNET_PSYC_Slicer *slicer = GNUNET_malloc (sizeof (*slicer));
+ slicer->method_handlers = GNUNET_CONTAINER_multihashmap_create (1, GNUNET_NO);
+ slicer->modifier_handlers = GNUNET_CONTAINER_multihashmap_create (1, GNUNET_NO);
+ return slicer;
+}
+
+
+/**
+ * Add a method to the try-and-slice instance.
+ *
+ * The callbacks are called for messages with a matching @a method_name prefix.
+ *
+ * @param slicer
+ * The try-and-slice instance to extend.
+ * @param method_name
+ * Name of the given method, use empty string to match all.
+ * @param method_cb
+ * Method handler invoked upon a matching message.
+ * @param modifier_cb
+ * Modifier handler, invoked after @a method_cb
+ * for each modifier in the message.
+ * @param data_cb
+ * Data handler, invoked after @a modifier_cb for each data fragment.
+ * @param eom_cb
+ * Invoked upon reaching the end of a matching message.
+ * @param cls
+ * Closure for the callbacks.
+ */
+void
+GNUNET_PSYC_slicer_method_add (struct GNUNET_PSYC_Slicer *slicer,
+ const char *method_name,
+ GNUNET_PSYC_MethodCallback method_cb,
+ GNUNET_PSYC_ModifierCallback modifier_cb,
+ GNUNET_PSYC_DataCallback data_cb,
+ GNUNET_PSYC_EndOfMessageCallback eom_cb,
+ void *cls)
+{
+ struct GNUNET_HashCode key;
+ GNUNET_CRYPTO_hash (method_name, strlen (method_name), &key);
+
+ struct SlicerMethodCallbacks *cbs = GNUNET_malloc (sizeof (*cbs));
+ cbs->method_cb = method_cb;
+ cbs->modifier_cb = modifier_cb;
+ cbs->data_cb = data_cb;
+ cbs->eom_cb = eom_cb;
+ cbs->cls = cls;
+
+ GNUNET_CONTAINER_multihashmap_put (slicer->method_handlers, &key, cbs,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+}
+
+
+int
+slicer_method_remove (void *cls, const struct GNUNET_HashCode *key, void *value)
+{
+ struct SlicerMethodRemoveClosure *rm_cls = cls;
+ struct GNUNET_PSYC_Slicer *slicer = rm_cls->slicer;
+ struct SlicerMethodCallbacks *rm_cbs = &rm_cls->rm_cbs;
+ struct SlicerMethodCallbacks *cbs = value;
+
+ if (cbs->method_cb == rm_cbs->method_cb
+ && cbs->modifier_cb == rm_cbs->modifier_cb
+ && cbs->data_cb == rm_cbs->data_cb
+ && cbs->eom_cb == rm_cbs->eom_cb)
+ {
+ GNUNET_CONTAINER_multihashmap_remove (slicer->method_handlers, key, cbs);
+ GNUNET_free (cbs);
+ return GNUNET_NO;
+ }
+ return GNUNET_YES;
+}
+
+
+/**
+ * Remove a registered method from the try-and-slice instance.
+ *
+ * Removes one matching handler registered with the given
+ * @a method_name and callbacks.
+ *
+ * @param slicer
+ * The try-and-slice instance.
+ * @param method_name
+ * Name of the method to remove.
+ * @param method_cb
+ * Method handler.
+ * @param modifier_cb
+ * Modifier handler.
+ * @param data_cb
+ * Data handler.
+ * @param eom_cb
+ * End of message handler.
+ *
+ * @return #GNUNET_OK if a method handler was removed,
+ * #GNUNET_NO if no handler matched the given method name and callbacks.
+ */
+int
+GNUNET_PSYC_slicer_method_remove (struct GNUNET_PSYC_Slicer *slicer,
+ const char *method_name,
+ GNUNET_PSYC_MethodCallback method_cb,
+ GNUNET_PSYC_ModifierCallback modifier_cb,
+ GNUNET_PSYC_DataCallback data_cb,
+ GNUNET_PSYC_EndOfMessageCallback eom_cb)
+{
+ struct GNUNET_HashCode key;
+ GNUNET_CRYPTO_hash (method_name, strlen (method_name), &key);
+
+ struct SlicerMethodRemoveClosure rm_cls;
+ rm_cls.slicer = slicer;
+ struct SlicerMethodCallbacks *rm_cbs = &rm_cls.rm_cbs;
+ rm_cbs->method_cb = method_cb;
+ rm_cbs->modifier_cb = modifier_cb;
+ rm_cbs->data_cb = data_cb;
+ rm_cbs->eom_cb = eom_cb;
+
+ return
+ (GNUNET_SYSERR
+ == GNUNET_CONTAINER_multihashmap_get_multiple (slicer->method_handlers, &key,
+ slicer_method_remove,
+ &rm_cls))
+ ? GNUNET_NO
+ : GNUNET_OK;
+}
+
+
+/**
+ * Watch a place for changed objects.
+ *
+ * @param slicer
+ * The try-and-slice instance.
+ * @param object_filter
+ * Object prefix to match.
+ * @param modifier_cb
+ * Function to call when encountering a state modifier.
+ * @param cls
+ * Closure for callback.
+ */
+void
+GNUNET_PSYC_slicer_modifier_add (struct GNUNET_PSYC_Slicer *slicer,
+ const char *object_filter,
+ GNUNET_PSYC_ModifierCallback modifier_cb,
+ void *cls)
+{
+ struct SlicerModifierCallbacks *cbs = GNUNET_malloc (sizeof *cbs);
+ cbs->modifier_cb = modifier_cb;
+ cbs->cls = cls;
+
+ struct GNUNET_HashCode key;
+ GNUNET_CRYPTO_hash (object_filter, strlen (object_filter), &key);
+ GNUNET_CONTAINER_multihashmap_put (slicer->modifier_handlers, &key, cbs,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+}
+
+
+int
+slicer_modifier_remove (void *cls, const struct GNUNET_HashCode *key, void *value)
+{
+ struct SlicerModifierRemoveClosure *rm_cls = cls;
+ struct GNUNET_PSYC_Slicer *slicer = rm_cls->slicer;
+ struct SlicerModifierCallbacks *rm_cbs = &rm_cls->rm_cbs;
+ struct SlicerModifierCallbacks *cbs = value;
+
+ if (cbs->modifier_cb == rm_cbs->modifier_cb)
+ {
+ GNUNET_CONTAINER_multihashmap_remove (slicer->modifier_handlers, key, cbs);
+ GNUNET_free (cbs);
+ return GNUNET_NO;
+ }
+ return GNUNET_YES;
+}
+
+
+/**
+ * Remove a registered modifier from the try-and-slice instance.
+ *
+ * Removes one matching handler registered with the given
+ * @a object_filter and @a modifier_cb.
+ *
+ * @param slicer
+ * The try-and-slice instance.
+ * @param object_filter
+ * Object prefix to match.
+ * @param modifier_cb
+ * Function to call when encountering a state modifier changes.
+ */
+int
+GNUNET_PSYC_slicer_modifier_remove (struct GNUNET_PSYC_Slicer *slicer,
+ const char *object_filter,
+ GNUNET_PSYC_ModifierCallback modifier_cb)
+{
+ struct GNUNET_HashCode key;
+ GNUNET_CRYPTO_hash (object_filter, strlen (object_filter), &key);
+
+ struct SlicerModifierRemoveClosure rm_cls;
+ rm_cls.slicer = slicer;
+ struct SlicerModifierCallbacks *rm_cbs = &rm_cls.rm_cbs;
+ rm_cbs->modifier_cb = modifier_cb;
+
+ return
+ (GNUNET_SYSERR
+ == GNUNET_CONTAINER_multihashmap_get_multiple (slicer->modifier_handlers, &key,
+ slicer_modifier_remove,
+ &rm_cls))
+ ? GNUNET_NO
+ : GNUNET_OK;
+ }
+
+
+int
+slicer_method_free (void *cls, const struct GNUNET_HashCode *key, void *value)
+{
+ struct SlicerMethodCallbacks *cbs = value;
+ GNUNET_free (cbs);
+ return GNUNET_YES;
+}
+
+
+/**
+ * Destroy a given try-and-slice instance.
+ *
+ * @param slicer
+ * Slicer to destroy
+ */
+void
+GNUNET_PSYC_slicer_destroy (struct GNUNET_PSYC_Slicer *slicer)
+{
+ GNUNET_CONTAINER_multihashmap_iterate (slicer->method_handlers,
+ slicer_method_free, NULL);
+ GNUNET_CONTAINER_multihashmap_destroy (slicer->method_handlers);
+ GNUNET_free (slicer);
+}
--- /dev/null
+/*
+ * This file is part of GNUnet.
+ * Copyright (C) 2013 Christian Grothoff (and other contributing authors)
+ *
+ * GNUnet is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 3, or (at your
+ * option) any later version.
+ *
+ * GNUnet is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNUnet; see the file COPYING. If not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * @author Gabor X Toth
+ *
+ * @file
+ * Tests for the environment library.
+ */
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_testing_lib.h"
+#include "gnunet_psyc_util_lib.h"
+
+struct GNUNET_PSYC_Modifier mods[] = {
+ { .oper = GNUNET_PSYC_OP_SET,
+ .name = "_foo", .value = "foo", .value_size = 3 },
+
+ { .oper = GNUNET_PSYC_OP_ASSIGN,
+ .name = "_foo_bar", .value = "foo bar", .value_size = 7 },
+
+ { .oper = GNUNET_PSYC_OP_AUGMENT,
+ .name = "_foo_bar_baz", .value = "foo bar baz", .value_size = 11 }
+};
+
+struct ItCls
+{
+ size_t n;
+};
+
+int
+iterator (void *cls, enum GNUNET_PSYC_Operator oper,
+ const char *name, const char *value, uint32_t value_size)
+{
+ struct ItCls *it_cls = cls;
+ struct GNUNET_PSYC_Modifier *m = &mods[it_cls->n++];
+
+ GNUNET_assert (oper == m->oper);
+ GNUNET_assert (value_size == m->value_size);
+ GNUNET_assert (0 == memcmp (name, m->name, strlen (m->name)));
+ GNUNET_assert (0 == memcmp (value, m->value, m->value_size));
+
+ return GNUNET_YES;
+}
+
+int
+main (int argc, char *argv[])
+{
+ GNUNET_log_setup ("test-env", "WARNING", NULL);
+
+ struct GNUNET_PSYC_Environment *env = GNUNET_PSYC_env_create ();
+ GNUNET_assert (NULL != env);
+ int i, len = 3;
+
+ for (i = 0; i < len; i++)
+ {
+ GNUNET_PSYC_env_add (env, mods[i].oper, mods[i].name,
+ mods[i].value, mods[i].value_size);
+ }
+
+ struct ItCls it_cls = { .n = 0 };
+ GNUNET_PSYC_env_iterate (env, iterator, &it_cls);
+ GNUNET_assert (len == it_cls.n);
+
+ for (i = 0; i < len; i++)
+ {
+ enum GNUNET_PSYC_Operator oper;
+ const char *name;
+ const void *value;
+ size_t value_size;
+ GNUNET_PSYC_env_shift (env, &oper, &name, &value, &value_size);
+ GNUNET_assert (len - i - 1 == GNUNET_PSYC_env_get_count (env));
+ }
+
+ GNUNET_PSYC_env_destroy (env);
+
+ return 0;
+}
social_api.c social.h
libgnunetsocial_la_LIBADD = \
$(top_builddir)/src/util/libgnunetutil.la \
- $(top_builddir)/src/env/libgnunetenv.la \
+ $(top_builddir)/src/psycutil/libgnunetpsycutil.la \
$(GN_LIBINTL) $(XLIB)
libgnunetsocial_la_LDFLAGS = \
$(GN_LIB_LDFLAGS) $(WINFLAGS) \
gnunet_service_social_LDADD = \
$(top_builddir)/src/util/libgnunetutil.la \
$(top_builddir)/src/statistics/libgnunetstatistics.la \
- $(top_builddir)/src/env/libgnunetenv.la \
+ $(top_builddir)/src/psycutil/libgnunetpsycutil.la \
$(top_builddir)/src/psyc/libgnunetpsyc.la \
- $(top_builddir)/src/psycstore/libgnunetpsycutil.la \
$(top_builddir)/src/core/libgnunetcore.la \
$(top_builddir)/src/identity/libgnunetidentity.la \
$(top_builddir)/src/gns/libgnunetgns.la \
libgnunetsocial.la \
$(top_builddir)/src/testing/libgnunettesting.la \
$(top_builddir)/src/util/libgnunetutil.la \
- $(top_builddir)/src/env/libgnunetenv.la \
- $(top_builddir)/src/psycstore/libgnunetpsycutil.la \
+ $(top_builddir)/src/psycutil/libgnunetpsycutil.la \
$(top_builddir)/src/core/libgnunetcore.la \
$(top_builddir)/src/identity/libgnunetidentity.la
void
psyc_recv_file (struct Place *plc, const struct GNUNET_PSYC_MessageHeader *msg,
uint32_t flags, uint64_t message_id, uint64_t fragment_offset,
- const char *method_name, struct GNUNET_ENV_Environment *env,
+ const char *method_name, struct GNUNET_PSYC_Environment *env,
const void *data, uint16_t data_size)
{
if (plc->file_message_id != message_id)
/* process message */
/* FIXME: use slicer */
const char *method_name = NULL;
- struct GNUNET_ENV_Environment *env = GNUNET_ENV_environment_create ();
+ struct GNUNET_PSYC_Environment *env = GNUNET_PSYC_env_create ();
const void *data = NULL;
uint16_t data_size = 0;
}
}
}
- GNUNET_ENV_environment_destroy (env);
+ GNUNET_PSYC_env_destroy (env);
place_send_msg (plc, &msg->header);
}
};
+struct HostRelayRequest
+{
+ /**
+ * Types:
+ * - GNUNET_MESSAGE_TYPE_SOCIAL_HOST_RELAY_START
+ * - GNUNET_MESSAGE_TYPE_SOCIAL_HOST_RELAY_STOP
+ */
+ struct GNUNET_MessageHeader header;
+
+ /* Followed by char *method_name */
+};
+
+
struct HostEnterRequest
{
/**
/* Followed by const char *name */
};
+
/**** service -> library ****/
};
-#if REMOVE
-struct NymEnterRequest
-{
- /**
- * Type: GNUNET_MESSAGE_TYPE_SOCIAL_NYM_ENTER
- */
- struct GNUNET_MessageHeader header;
-
- /**
- * Public key of the joining slave.
- */
- struct GNUNET_CRYPTO_EcdsaPublicKey nym_key;
-
- /* Followed by struct GNUNET_MessageHeader join_request */
-};
-#endif
-
-
GNUNET_NETWORK_STRUCT_END
#endif
*/
/**
- * @file social/social_api.c
- * @brief Social service; implements social interactions using the PSYC service.
* @author Gabor X Toth
+ *
+ * @file
+ * Social service; implements social interactions using the PSYC service.
*/
#include <inttypes.h>
#include "platform.h"
#include "gnunet_util_lib.h"
-#include "gnunet_env_lib.h"
#include "gnunet_psyc_service.h"
#include "gnunet_psyc_util_lib.h"
#include "gnunet_social_service.h"
/**
* Slicer for processing incoming methods.
*/
- struct GNUNET_SOCIAL_Slicer *slicer;
+ struct GNUNET_PSYC_Slicer *slicer;
/**
* Message to send on reconnect.
/**
* Slicer for processing incoming methods.
*/
- struct GNUNET_SOCIAL_Slicer *slicer;
+ struct GNUNET_PSYC_Slicer *slicer;
GNUNET_SOCIAL_HostEnterCallback enter_cb;
void *cb_cls;
struct GNUNET_SOCIAL_Nym *notice_place_leave_nym;
- struct GNUNET_ENV_Environment *notice_place_leave_env;
+ struct GNUNET_PSYC_Environment *notice_place_leave_env;
};
/**
* Slicer for processing incoming methods.
*/
- struct GNUNET_SOCIAL_Slicer *slicer;
+ struct GNUNET_PSYC_Slicer *slicer;
GNUNET_SOCIAL_GuestEnterCallback enter_cb;
struct GNUNET_CONTAINER_MultiHashMap *nyms;
-/**
- * Handle for a try-and-slice instance.
- */
-struct GNUNET_SOCIAL_Slicer
-{
- /**
- * Method handlers: method_name -> SlicerMethodCallbacks
- */
- struct GNUNET_CONTAINER_MultiHashMap *method_handlers;
-
- /**
- * Modifier handlers: modifier name -> SlicerModifierCallbacks
- */
- struct GNUNET_CONTAINER_MultiHashMap *modifier_handlers;
-
- /**
- * Currently being processed message part.
- */
- const struct GNUNET_MessageHeader *msg;
-
- /**
- * ID of currently being received message.
- */
- uint64_t message_id;
-
- /**
- * Method name of currently being received message.
- */
- char *method_name;
-
- /**
- * Name of currently processed modifier.
- */
- char *mod_name;
-
- /**
- * Value of currently processed modifier.
- */
- char *mod_value;
-
- /**
- * Public key of the nym the current message originates from.
- */
- struct GNUNET_CRYPTO_EcdsaPublicKey nym_key;
-
- /**
- * Size of @a method_name (including terminating \0).
- */
- uint16_t method_name_size;
-
- /**
- * Size of @a modifier_name (including terminating \0).
- */
- uint16_t mod_name_size;
-
- /**
- * Size of modifier value fragment.
- */
- uint16_t mod_value_size;
-
- /**
- * Full size of modifier value.
- */
- uint16_t mod_full_value_size;
-
- /**
- * Remaining bytes from the value of the current modifier.
- */
- uint16_t mod_value_remaining;
-
- /**
- * Operator of currently processed modifier.
- */
- uint8_t mod_oper;
-};
-
-
-/**
- * Callbacks for a slicer method handler.
- */
-struct SlicerMethodCallbacks
-{
- GNUNET_SOCIAL_MethodCallback method_cb;
- GNUNET_SOCIAL_ModifierCallback modifier_cb;
- GNUNET_SOCIAL_DataCallback data_cb;
- GNUNET_SOCIAL_EndOfMessageCallback eom_cb;
- void *cls;
-};
-
-
-struct SlicerMethodRemoveClosure
-{
- struct GNUNET_SOCIAL_Slicer *slicer;
- struct SlicerMethodCallbacks rm_cbs;
-};
-
-
-/**
- * Callbacks for a slicer method handler.
- */
-struct SlicerModifierCallbacks
-{
- GNUNET_SOCIAL_ModifierCallback modifier_cb;
- void *cls;
-};
-
-
-struct SlicerModifierRemoveClosure
-{
- struct GNUNET_SOCIAL_Slicer *slicer;
- struct SlicerModifierCallbacks rm_cbs;
-};
-
-
/**
* Handle for an announcement request.
*/
const struct GNUNET_PSYC_MessageMethod *meth,
uint64_t message_id,
uint32_t flags,
- const struct GNUNET_SOCIAL_Nym *nym,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *nym_pub_key,
const char *method_name)
{
struct GNUNET_SOCIAL_Host *hst = cls;
+
if (0 == memcmp (&(struct GNUNET_CRYPTO_EcdsaPublicKey) {},
- &nym->pub_key, sizeof (nym->pub_key)))
+ nym_pub_key, sizeof (*nym_pub_key)))
return;
+ struct GNUNET_SOCIAL_Nym *nym = nym_get_or_create (nym_pub_key);
+
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Host received method for message ID %" PRIu64 " from nym %s: %s\n",
message_id, GNUNET_h2s (&nym->pub_key_hash), method_name);
hst->notice_place_leave_nym = (struct GNUNET_SOCIAL_Nym *) nym;
- hst->notice_place_leave_env = GNUNET_ENV_environment_create ();
+ hst->notice_place_leave_env = GNUNET_PSYC_env_create ();
char *str = GNUNET_CRYPTO_ecdsa_public_key_to_string (&hst->notice_place_leave_nym->pub_key);
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
host_recv_notice_place_leave_modifier (void *cls,
const struct GNUNET_MessageHeader *msg,
uint64_t message_id,
- enum GNUNET_ENV_Operator oper,
+ enum GNUNET_PSYC_Operator oper,
const char *name,
const void *value,
uint16_t value_size,
|| 0 == memcmp (name, "_nym_", sizeof ("_nym_") - 1))
return;
- GNUNET_ENV_environment_add (hst->notice_place_leave_env,
- GNUNET_ENV_OP_SET, name, value, value_size);
+ GNUNET_PSYC_env_add (hst->notice_place_leave_env,
+ GNUNET_PSYC_OP_SET, name, value, value_size);
}
hst->farewell_cb (hst->cb_cls, hst->notice_place_leave_nym,
hst->notice_place_leave_env);
/* announce leaving guest to place */
- GNUNET_ENV_environment_add (hst->notice_place_leave_env, GNUNET_ENV_OP_SET,
- "_nym", hst->notice_place_leave_nym,
- sizeof (*hst->notice_place_leave_nym));
+ GNUNET_PSYC_env_add (hst->notice_place_leave_env, GNUNET_PSYC_OP_SET,
+ "_nym", hst->notice_place_leave_nym,
+ sizeof (*hst->notice_place_leave_nym));
GNUNET_SOCIAL_host_announce (hst, "_notice_place_leave",
hst->notice_place_leave_env,
NULL, NULL, GNUNET_SOCIAL_ANNOUNCE_NONE);
nym_destroy (hst->notice_place_leave_nym);
}
- GNUNET_ENV_environment_destroy (hst->notice_place_leave_env);
+ GNUNET_PSYC_env_destroy (hst->notice_place_leave_env);
hst->notice_place_leave_env = NULL;
}
-/*** SLICER ***/
-
-/**
- * Call a method handler for an incoming message part.
- */
-int
-slicer_method_handler_notify (void *cls, const struct GNUNET_HashCode *key,
- void *value)
-{
- struct GNUNET_SOCIAL_Slicer *slicer = cls;
- const struct GNUNET_MessageHeader *msg = slicer->msg;
- struct SlicerMethodCallbacks *cbs = value;
- uint16_t ptype = ntohs (msg->type);
-
- switch (ptype)
- {
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
- {
- if (NULL == cbs->method_cb)
- break;
- struct GNUNET_PSYC_MessageMethod *
- meth = (struct GNUNET_PSYC_MessageMethod *) msg;
- cbs->method_cb (cbs->cls, meth, slicer->message_id,
- ntohl (meth->flags),
- nym_get_or_create (&slicer->nym_key),
- slicer->method_name);
- break;
- }
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
- {
- if (NULL == cbs->modifier_cb)
- break;
- struct GNUNET_PSYC_MessageModifier *
- mod = (struct GNUNET_PSYC_MessageModifier *) msg;
- cbs->modifier_cb (cbs->cls, &mod->header, slicer->message_id,
- mod->oper, (const char *) &mod[1],
- (const void *) &mod[1] + ntohs (mod->name_size),
- ntohs (mod->header.size) - sizeof (*mod) - ntohs (mod->name_size),
- ntohs (mod->value_size));
- break;
- }
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
- {
- if (NULL == cbs->modifier_cb)
- break;
- cbs->modifier_cb (cbs->cls, msg, slicer->message_id,
- slicer->mod_oper, slicer->mod_name, &msg[1],
- ntohs (msg->size) - sizeof (*msg),
- slicer->mod_full_value_size);
- break;
- }
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
- {
- if (NULL == cbs->data_cb)
- break;
- uint64_t data_offset = 0; // FIXME
- cbs->data_cb (cbs->cls, msg, slicer->message_id,
- data_offset, &msg[1], ntohs (msg->size) - sizeof (*msg));
- break;
- }
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END:
- if (NULL == cbs->eom_cb)
- break;
- cbs->eom_cb (cbs->cls, msg, slicer->message_id, GNUNET_NO);
- break;
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL:
- if (NULL == cbs->eom_cb)
- break;
- cbs->eom_cb (cbs->cls, msg, slicer->message_id, GNUNET_YES);
- break;
- }
- return GNUNET_YES;
-}
-
-
-/**
- * Call a method handler for an incoming message part.
- */
-int
-slicer_modifier_handler_notify (void *cls, const struct GNUNET_HashCode *key,
- void *value)
-{
- struct GNUNET_SOCIAL_Slicer *slicer = cls;
- struct SlicerModifierCallbacks *cbs = value;
-
- cbs->modifier_cb (cbs->cls, slicer->msg, slicer->message_id, slicer->mod_oper,
- slicer->mod_name, slicer->mod_value,
- slicer->mod_value_size, slicer->mod_full_value_size);
- return GNUNET_YES;
-}
-
-
-/**
- * Process an incoming message part and call matching handlers.
- *
- * @param cls
- * Closure.
- * @param message_id
- * ID of the message.
- * @param flags
- * Flags for the message.
- * @see enum GNUNET_PSYC_MessageFlags
- * @param msg
- * The message part. as it arrived from the network.
- */
-static void
-slicer_message (void *cls, const struct GNUNET_CRYPTO_EcdsaPublicKey *slave_key,
- uint64_t message_id, uint32_t flags, uint64_t fragment_offset,
- const struct GNUNET_MessageHeader *msg)
-{
- struct GNUNET_SOCIAL_Slicer *slicer = cls;
- slicer->nym_key = *slave_key;
-
- uint16_t ptype = ntohs (msg->type);
- if (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD == ptype)
- {
- struct GNUNET_PSYC_MessageMethod *
- meth = (struct GNUNET_PSYC_MessageMethod *) msg;
- slicer->method_name_size = ntohs (meth->header.size) - sizeof (*meth);
- slicer->method_name = GNUNET_malloc (slicer->method_name_size);
- memcpy (slicer->method_name, &meth[1], slicer->method_name_size);
- slicer->message_id = message_id;
- }
- else
- {
- GNUNET_assert (message_id == slicer->message_id);
- }
-
- char *nym_str = GNUNET_CRYPTO_ecdsa_public_key_to_string (slave_key);
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Slicer received message of type %u and size %u, "
- "with ID %" PRIu64 " and method %s from %s\n",
- ptype, ntohs (msg->size), message_id, slicer->method_name, nym_str);
- GNUNET_free (nym_str);
-
- slicer->msg = msg;
-
- /* try-and-slice modifier */
-
- switch (ptype)
- {
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
- {
- struct GNUNET_PSYC_MessageModifier *
- mod = (struct GNUNET_PSYC_MessageModifier *) msg;
- slicer->mod_oper = mod->oper;
- slicer->mod_name_size = ntohs (mod->name_size);
- slicer->mod_name = GNUNET_malloc (slicer->mod_name_size);
- memcpy (slicer->mod_name, &mod[1], slicer->mod_name_size);
- slicer->mod_value = (char *) &mod[1] + slicer->mod_name_size;
- slicer->mod_full_value_size = ntohs (mod->value_size);
- slicer->mod_value_remaining = slicer->mod_full_value_size;
- slicer->mod_value_size
- = ntohs (mod->header.size) - sizeof (*mod) - slicer->mod_name_size;
- }
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
- if (ptype == GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT)
- {
- slicer->mod_value = (char *) &msg[1];
- slicer->mod_value_size = ntohs (msg->size) - sizeof (*msg);
- }
- slicer->mod_value_remaining -= slicer->mod_value_size;
- char *name = GNUNET_malloc (slicer->mod_name_size);
- memcpy (name, slicer->mod_name, slicer->mod_name_size);
- do
- {
- struct GNUNET_HashCode key;
- uint16_t name_len = strlen (name);
- GNUNET_CRYPTO_hash (name, name_len, &key);
- GNUNET_CONTAINER_multihashmap_get_multiple (slicer->modifier_handlers, &key,
- slicer_modifier_handler_notify,
- slicer);
- char *p = strrchr (name, '_');
- if (NULL == p)
- break;
- *p = '\0';
- } while (1);
- GNUNET_free (name);
- }
-
- /* try-and-slice method */
-
- char *name = GNUNET_malloc (slicer->method_name_size);
- memcpy (name, slicer->method_name, slicer->method_name_size);
- do
- {
- struct GNUNET_HashCode key;
- uint16_t name_len = strlen (name);
- GNUNET_CRYPTO_hash (name, name_len, &key);
- GNUNET_CONTAINER_multihashmap_get_multiple (slicer->method_handlers, &key,
- slicer_method_handler_notify,
- slicer);
- char *p = strrchr (name, '_');
- if (NULL == p)
- break;
- *p = '\0';
- } while (1);
- GNUNET_free (name);
-
- if (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END <= ptype)
- GNUNET_free (slicer->method_name);
-
- if (0 == slicer->mod_value_remaining && NULL != slicer->mod_name)
- {
- GNUNET_free (slicer->mod_name);
- slicer->mod_name = NULL;
- slicer->mod_name_size = 0;
- slicer->mod_value_size = 0;
- slicer->mod_full_value_size = 0;
- slicer->mod_oper = 0;
- }
-
- slicer->msg = NULL;
-}
-
-
-/**
- * Create a try-and-slice instance.
- *
- * A slicer processes incoming messages and notifies callbacks about matching
- * methods or modifiers encountered.
- *
- * @return A new try-and-slice construct.
- */
-struct GNUNET_SOCIAL_Slicer *
-GNUNET_SOCIAL_slicer_create (void)
-{
- struct GNUNET_SOCIAL_Slicer *slicer = GNUNET_malloc (sizeof (*slicer));
- slicer->method_handlers = GNUNET_CONTAINER_multihashmap_create (1, GNUNET_NO);
- slicer->modifier_handlers = GNUNET_CONTAINER_multihashmap_create (1, GNUNET_NO);
- return slicer;
-}
-
-
-/**
- * Add a method to the try-and-slice instance.
- *
- * The callbacks are called for messages with a matching @a method_name prefix.
- *
- * @param slicer
- * The try-and-slice instance to extend.
- * @param method_name
- * Name of the given method, use empty string to match all.
- * @param method_cb
- * Method handler invoked upon a matching message.
- * @param modifier_cb
- * Modifier handler, invoked after @a method_cb
- * for each modifier in the message.
- * @param data_cb
- * Data handler, invoked after @a modifier_cb for each data fragment.
- * @param eom_cb
- * Invoked upon reaching the end of a matching message.
- * @param cls
- * Closure for the callbacks.
- */
-void
-GNUNET_SOCIAL_slicer_method_add (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *method_name,
- GNUNET_SOCIAL_MethodCallback method_cb,
- GNUNET_SOCIAL_ModifierCallback modifier_cb,
- GNUNET_SOCIAL_DataCallback data_cb,
- GNUNET_SOCIAL_EndOfMessageCallback eom_cb,
- void *cls)
-{
- struct GNUNET_HashCode key;
- GNUNET_CRYPTO_hash (method_name, strlen (method_name), &key);
-
- struct SlicerMethodCallbacks *cbs = GNUNET_malloc (sizeof (*cbs));
- cbs->method_cb = method_cb;
- cbs->modifier_cb = modifier_cb;
- cbs->data_cb = data_cb;
- cbs->eom_cb = eom_cb;
- cbs->cls = cls;
-
- GNUNET_CONTAINER_multihashmap_put (slicer->method_handlers, &key, cbs,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
-}
-
-
-int
-slicer_method_remove (void *cls, const struct GNUNET_HashCode *key, void *value)
-{
- struct SlicerMethodRemoveClosure *rm_cls = cls;
- struct GNUNET_SOCIAL_Slicer *slicer = rm_cls->slicer;
- struct SlicerMethodCallbacks *rm_cbs = &rm_cls->rm_cbs;
- struct SlicerMethodCallbacks *cbs = value;
-
- if (cbs->method_cb == rm_cbs->method_cb
- && cbs->modifier_cb == rm_cbs->modifier_cb
- && cbs->data_cb == rm_cbs->data_cb
- && cbs->eom_cb == rm_cbs->eom_cb)
- {
- GNUNET_CONTAINER_multihashmap_remove (slicer->method_handlers, key, cbs);
- GNUNET_free (cbs);
- return GNUNET_NO;
- }
- return GNUNET_YES;
-}
-
-
-/**
- * Remove a registered method from the try-and-slice instance.
- *
- * Removes one matching handler registered with the given
- * @a method_name and callbacks.
- *
- * @param slicer
- * The try-and-slice instance.
- * @param method_name
- * Name of the method to remove.
- * @param method_cb
- * Method handler.
- * @param modifier_cb
- * Modifier handler.
- * @param data_cb
- * Data handler.
- * @param eom_cb
- * End of message handler.
- *
- * @return #GNUNET_OK if a method handler was removed,
- * #GNUNET_NO if no handler matched the given method name and callbacks.
- */
-int
-GNUNET_SOCIAL_slicer_method_remove (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *method_name,
- GNUNET_SOCIAL_MethodCallback method_cb,
- GNUNET_SOCIAL_ModifierCallback modifier_cb,
- GNUNET_SOCIAL_DataCallback data_cb,
- GNUNET_SOCIAL_EndOfMessageCallback eom_cb)
-{
- struct GNUNET_HashCode key;
- GNUNET_CRYPTO_hash (method_name, strlen (method_name), &key);
-
- struct SlicerMethodRemoveClosure rm_cls;
- rm_cls.slicer = slicer;
- struct SlicerMethodCallbacks *rm_cbs = &rm_cls.rm_cbs;
- rm_cbs->method_cb = method_cb;
- rm_cbs->modifier_cb = modifier_cb;
- rm_cbs->data_cb = data_cb;
- rm_cbs->eom_cb = eom_cb;
-
- return
- (GNUNET_SYSERR
- == GNUNET_CONTAINER_multihashmap_get_multiple (slicer->method_handlers, &key,
- slicer_method_remove,
- &rm_cls))
- ? GNUNET_NO
- : GNUNET_OK;
-}
-
-
-/**
- * Watch a place for changed objects.
- *
- * @param slicer
- * The try-and-slice instance.
- * @param object_filter
- * Object prefix to match.
- * @param modifier_cb
- * Function to call when encountering a state modifier.
- * @param cls
- * Closure for callback.
- */
-void
-GNUNET_SOCIAL_slicer_modifier_add (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *object_filter,
- GNUNET_SOCIAL_ModifierCallback modifier_cb,
- void *cls)
-{
- struct SlicerModifierCallbacks *cbs = GNUNET_malloc (sizeof *cbs);
- cbs->modifier_cb = modifier_cb;
- cbs->cls = cls;
-
- struct GNUNET_HashCode key;
- GNUNET_CRYPTO_hash (object_filter, strlen (object_filter), &key);
- GNUNET_CONTAINER_multihashmap_put (slicer->modifier_handlers, &key, cbs,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
-}
-
-
-int
-slicer_modifier_remove (void *cls, const struct GNUNET_HashCode *key, void *value)
-{
- struct SlicerModifierRemoveClosure *rm_cls = cls;
- struct GNUNET_SOCIAL_Slicer *slicer = rm_cls->slicer;
- struct SlicerModifierCallbacks *rm_cbs = &rm_cls->rm_cbs;
- struct SlicerModifierCallbacks *cbs = value;
-
- if (cbs->modifier_cb == rm_cbs->modifier_cb)
- {
- GNUNET_CONTAINER_multihashmap_remove (slicer->modifier_handlers, key, cbs);
- GNUNET_free (cbs);
- return GNUNET_NO;
- }
- return GNUNET_YES;
-}
-
-
-/**
- * Remove a registered modifier from the try-and-slice instance.
- *
- * Removes one matching handler registered with the given
- * @a object_filter and @a modifier_cb.
- *
- * @param slicer
- * The try-and-slice instance.
- * @param object_filter
- * Object prefix to match.
- * @param modifier_cb
- * Function to call when encountering a state modifier changes.
- */
-int
-GNUNET_SOCIAL_slicer_modifier_remove (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *object_filter,
- GNUNET_SOCIAL_ModifierCallback modifier_cb)
-{
- struct GNUNET_HashCode key;
- GNUNET_CRYPTO_hash (object_filter, strlen (object_filter), &key);
-
- struct SlicerModifierRemoveClosure rm_cls;
- rm_cls.slicer = slicer;
- struct SlicerModifierCallbacks *rm_cbs = &rm_cls.rm_cbs;
- rm_cbs->modifier_cb = modifier_cb;
-
- return
- (GNUNET_SYSERR
- == GNUNET_CONTAINER_multihashmap_get_multiple (slicer->modifier_handlers, &key,
- slicer_modifier_remove,
- &rm_cls))
- ? GNUNET_NO
- : GNUNET_OK;
- }
-
-
-int
-slicer_method_free (void *cls, const struct GNUNET_HashCode *key, void *value)
-{
- struct SlicerMethodCallbacks *cbs = value;
- GNUNET_free (cbs);
- return GNUNET_YES;
-}
-
-
-/**
- * Destroy a given try-and-slice instance.
- *
- * @param slicer
- * Slicer to destroy
- */
-void
-GNUNET_SOCIAL_slicer_destroy (struct GNUNET_SOCIAL_Slicer *slicer)
-{
- GNUNET_CONTAINER_multihashmap_iterate (slicer->method_handlers,
- slicer_method_free, NULL);
- GNUNET_CONTAINER_multihashmap_destroy (slicer->method_handlers);
- GNUNET_free (slicer);
-}
-
/*** CLIENT ***/
return;
const char *method_name = NULL;
- struct GNUNET_ENV_Environment *env = NULL;
+ struct GNUNET_PSYC_Environment *env = NULL;
struct GNUNET_PSYC_MessageHeader *entry_pmsg = NULL;
const void *data = NULL;
uint16_t data_size = 0;
"Received join_msg of type %u and size %u.\n",
ntohs (join_msg->header.type), ntohs (join_msg->header.size));
- env = GNUNET_ENV_environment_create ();
+ env = GNUNET_PSYC_env_create ();
entry_pmsg = GNUNET_PSYC_message_header_create_from_psyc (join_msg);
if (GNUNET_OK != GNUNET_PSYC_message_parse (entry_pmsg, &method_name, env,
&data, &data_size))
} while (0);
if (NULL != env)
- GNUNET_ENV_environment_destroy (env);
+ GNUNET_PSYC_env_destroy (env);
if (NULL != entry_pmsg)
GNUNET_free (entry_pmsg);
}
}
if (NULL != hst->slicer)
{
- GNUNET_SOCIAL_slicer_destroy (hst->slicer);
+ GNUNET_PSYC_slicer_destroy (hst->slicer);
hst->slicer = NULL;
}
GNUNET_free (hst);
GNUNET_SOCIAL_host_enter (const struct GNUNET_SOCIAL_App *app,
const struct GNUNET_SOCIAL_Ego *ego,
enum GNUNET_PSYC_Policy policy,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_HostEnterCallback enter_cb,
GNUNET_SOCIAL_AnswerDoorCallback answer_door_cb,
GNUNET_SOCIAL_FarewellCallback farewell_cb,
GNUNET_CLIENT_MANAGER_set_user_context_ (plc->client, hst, sizeof (*plc));
plc->tmit = GNUNET_PSYC_transmit_create (plc->client);
- plc->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, plc->slicer);
+ plc->recv = GNUNET_PSYC_receive_create (NULL, GNUNET_PSYC_slicer_message, plc->slicer);
- hst->slicer = GNUNET_SOCIAL_slicer_create ();
- GNUNET_SOCIAL_slicer_method_add (hst->slicer, "_notice_place_leave",
- host_recv_notice_place_leave_method,
- host_recv_notice_place_leave_modifier,
- NULL, host_recv_notice_place_leave_eom, hst);
- hst->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, hst->slicer);
+ hst->slicer = GNUNET_PSYC_slicer_create ();
+ GNUNET_PSYC_slicer_method_add (hst->slicer, "_notice_place_leave",
+ host_recv_notice_place_leave_method,
+ host_recv_notice_place_leave_modifier,
+ NULL, host_recv_notice_place_leave_eom, hst);
+ hst->recv = GNUNET_PSYC_receive_create (NULL, GNUNET_PSYC_slicer_message, hst->slicer);
uint16_t app_id_size = strlen (app->id) + 1;
struct HostEnterRequest *hreq = GNUNET_malloc (sizeof (*hreq) + app_id_size);
*/
struct GNUNET_SOCIAL_Host *
GNUNET_SOCIAL_host_enter_reconnect (struct GNUNET_SOCIAL_HostConnection *hconn,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_HostEnterCallback enter_cb,
GNUNET_SOCIAL_AnswerDoorCallback answer_door_cb,
GNUNET_SOCIAL_FarewellCallback farewell_cb,
GNUNET_CLIENT_MANAGER_set_user_context_ (plc->client, hst, sizeof (*plc));
plc->tmit = GNUNET_PSYC_transmit_create (plc->client);
- plc->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, plc->slicer);
+ plc->recv = GNUNET_PSYC_receive_create (NULL, GNUNET_PSYC_slicer_message, plc->slicer);
- hst->slicer = GNUNET_SOCIAL_slicer_create ();
- GNUNET_SOCIAL_slicer_method_add (hst->slicer, "_notice_place_leave",
- host_recv_notice_place_leave_method,
- host_recv_notice_place_leave_modifier,
- NULL, host_recv_notice_place_leave_eom, hst);
- hst->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, hst->slicer);
+ hst->slicer = GNUNET_PSYC_slicer_create ();
+ GNUNET_PSYC_slicer_method_add (hst->slicer, "_notice_place_leave",
+ host_recv_notice_place_leave_method,
+ host_recv_notice_place_leave_modifier,
+ NULL, host_recv_notice_place_leave_eom, hst);
+ hst->recv = GNUNET_PSYC_receive_create (NULL, GNUNET_PSYC_slicer_message, hst->slicer);
hreq->header.size = htons (sizeof (*hreq) + app_id_size);
hreq->header.type = htons (GNUNET_MESSAGE_TYPE_SOCIAL_HOST_ENTER);
void
GNUNET_SOCIAL_host_eject (struct GNUNET_SOCIAL_Host *hst,
const struct GNUNET_SOCIAL_Nym *nym,
- struct GNUNET_ENV_Environment *env)
+ struct GNUNET_PSYC_Environment *env)
{
if (NULL == env)
- env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (env, GNUNET_ENV_OP_SET,
- "_nym", &nym->pub_key, sizeof (nym->pub_key));
+ env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (env, GNUNET_PSYC_OP_SET,
+ "_nym", &nym->pub_key, sizeof (nym->pub_key));
GNUNET_SOCIAL_host_announce (hst, "_notice_place_leave", env, NULL, NULL,
GNUNET_SOCIAL_ANNOUNCE_NONE);
}
struct GNUNET_SOCIAL_Announcement *
GNUNET_SOCIAL_host_announce (struct GNUNET_SOCIAL_Host *hst,
const char *method_name,
- const struct GNUNET_ENV_Environment *env,
+ const struct GNUNET_PSYC_Environment *env,
GNUNET_PSYC_TransmitNotifyData notify_data,
void *notify_data_cls,
enum GNUNET_SOCIAL_AnnounceFlags flags)
*/
void
GNUNET_SOCIAL_host_leave (struct GNUNET_SOCIAL_Host *hst,
- const struct GNUNET_ENV_Environment *env,
+ const struct GNUNET_PSYC_Environment *env,
GNUNET_ContinuationCallback disconnect_cb,
void *cls)
{
uint32_t relay_count,
const struct GNUNET_PeerIdentity *relays,
const struct GNUNET_PSYC_Message *entry_msg,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_GuestEnterCallback local_enter_cb,
GNUNET_SOCIAL_EntryDecisionCallback entry_dcsn_cb,
void *cls)
GNUNET_CLIENT_MANAGER_set_user_context_ (plc->client, gst, sizeof (*plc));
plc->tmit = GNUNET_PSYC_transmit_create (plc->client);
- plc->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, plc->slicer);
+ plc->recv = GNUNET_PSYC_receive_create (NULL, GNUNET_PSYC_slicer_message, plc->slicer);
struct GuestEnterRequest *
greq = guest_enter_request_create (app->id, &ego->pub_key, &plc->pub_key,
const char *gns_name,
const char *password,
const struct GNUNET_PSYC_Message *join_msg,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_GuestEnterCallback local_enter_cb,
GNUNET_SOCIAL_EntryDecisionCallback entry_decision_cb,
void *cls)
GNUNET_CLIENT_MANAGER_set_user_context_ (plc->client, gst, sizeof (*plc));
plc->tmit = GNUNET_PSYC_transmit_create (plc->client);
- plc->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, plc->slicer);
+ plc->recv = GNUNET_PSYC_receive_create (NULL, GNUNET_PSYC_slicer_message, plc->slicer);
plc->connect_msg = &greq->header;
place_send_connect_msg (plc);
struct GNUNET_SOCIAL_Guest *
GNUNET_SOCIAL_guest_enter_reconnect (struct GNUNET_SOCIAL_GuestConnection *gconn,
enum GNUNET_PSYC_SlaveJoinFlags flags,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_GuestEnterCallback local_enter_cb,
void *cls)
{
GNUNET_CLIENT_MANAGER_set_user_context_ (plc->client, gst, sizeof (*plc));
plc->tmit = GNUNET_PSYC_transmit_create (plc->client);
- plc->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, plc->slicer);
+ plc->recv = GNUNET_PSYC_receive_create (NULL, GNUNET_PSYC_slicer_message, plc->slicer);
plc->connect_msg = &greq->header;
place_send_connect_msg (plc);
struct GNUNET_SOCIAL_TalkRequest *
GNUNET_SOCIAL_guest_talk (struct GNUNET_SOCIAL_Guest *gst,
const char *method_name,
- const struct GNUNET_ENV_Environment *env,
+ const struct GNUNET_PSYC_Environment *env,
GNUNET_PSYC_TransmitNotifyData notify_data,
void *notify_data_cls,
enum GNUNET_SOCIAL_TalkFlags flags)
*/
void
GNUNET_SOCIAL_guest_leave (struct GNUNET_SOCIAL_Guest *gst,
- struct GNUNET_ENV_Environment *env,
+ struct GNUNET_PSYC_Environment *env,
GNUNET_ContinuationCallback disconnect_cb,
void *cls)
{
uint64_t message_limit,
const char *method_prefix,
uint32_t flags,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_ResultCallback result_cb,
void *cls)
{
struct GNUNET_PSYC_HistoryRequestMessage *req;
struct GNUNET_SOCIAL_HistoryRequest *hist = GNUNET_malloc (sizeof (*hist));
hist->plc = plc;
- hist->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, slicer);
+ hist->recv = GNUNET_PSYC_receive_create (NULL, GNUNET_PSYC_slicer_message, slicer);
hist->result_cb = result_cb;
hist->cls = cls;
hist->op_id = GNUNET_CLIENT_MANAGER_op_add (plc->client,
uint64_t end_message_id,
const char *method_prefix,
uint32_t flags,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_ResultCallback result_cb,
void *cls)
{
uint64_t message_limit,
const char *method_prefix,
uint32_t flags,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_ResultCallback result_cb,
void *cls)
{
#include "gnunet_common.h"
#include "gnunet_util_lib.h"
#include "gnunet_testing_lib.h"
-#include "gnunet_env_lib.h"
#include "gnunet_psyc_util_lib.h"
#include "gnunet_social_service.h"
#include "gnunet_core_service.h"
struct GNUNET_CRYPTO_EcdsaPublicKey guest_pub_key;
struct GNUNET_CRYPTO_EcdsaPublicKey host_pub_key;
-struct GNUNET_SOCIAL_Slicer *host_slicer;
-struct GNUNET_SOCIAL_Slicer *guest_slicer;
+struct GNUNET_PSYC_Slicer *host_slicer;
+struct GNUNET_PSYC_Slicer *guest_slicer;
struct GNUNET_SOCIAL_Host *hst;
struct GNUNET_SOCIAL_Guest *gst;
{
struct GNUNET_PSYC_Message *msg;
const char *method_name;
- struct GNUNET_ENV_Environment *env;
+ struct GNUNET_PSYC_Environment *env;
void *data;
uint16_t data_size;
} guest_enter_msg;
{
struct GNUNET_SOCIAL_Announcement *host_ann;
struct GNUNET_SOCIAL_TalkRequest *guest_talk;
- struct GNUNET_ENV_Environment *env;
+ struct GNUNET_PSYC_Environment *env;
char *data[16];
uint8_t data_delay[16];
uint8_t data_count;
host_answer_door (void *cls,
struct GNUNET_SOCIAL_Nym *nym,
const char *method_name,
- struct GNUNET_ENV_Environment *env,
+ struct GNUNET_PSYC_Environment *env,
size_t data_size,
const void *data);
if (NULL != guest_slicer)
{
- GNUNET_SOCIAL_slicer_destroy (guest_slicer);
+ GNUNET_PSYC_slicer_destroy (guest_slicer);
guest_slicer = NULL;
}
if (NULL != host_slicer)
{
- GNUNET_SOCIAL_slicer_destroy (host_slicer);
+ GNUNET_PSYC_slicer_destroy (host_slicer);
host_slicer = NULL;
}
struct TransmitClosure *tmit = cls;
if (NULL != tmit->env)
{
- GNUNET_ENV_environment_destroy (tmit->env);
+ GNUNET_PSYC_env_destroy (tmit->env);
tmit->env = NULL;
}
if (0 == tmit->data_count)
static void
host_farewell2 (void *cls,
const struct GNUNET_SOCIAL_Nym *nym,
- struct GNUNET_ENV_Environment *env)
+ struct GNUNET_PSYC_Environment *env)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Nym left the place again.\n");
static void
host_farewell (void *cls,
const struct GNUNET_SOCIAL_Nym *nym,
- struct GNUNET_ENV_Environment *env)
+ struct GNUNET_PSYC_Environment *env)
{
const struct GNUNET_CRYPTO_EcdsaPublicKey *
nym_key = GNUNET_SOCIAL_nym_get_pub_key (nym);
"Farewell: nym %s (%s) has left the place.\n",
GNUNET_h2s (GNUNET_SOCIAL_nym_get_pub_key_hash (nym)), str);
GNUNET_free (str);
- GNUNET_assert (1 == GNUNET_ENV_environment_get_count (env));
+ GNUNET_assert (1 == GNUNET_PSYC_env_get_count (env));
if (0 != memcmp (&guest_pub_key, nym_key, sizeof (*nym_key)))
{
str = GNUNET_CRYPTO_ecdsa_public_key_to_string (&guest_pub_key);
else
test = TEST_GUEST_LEAVE2;
- struct GNUNET_ENV_Environment *env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (env, GNUNET_ENV_OP_SET,
- "_message", DATA2ARG ("Leaving."));
+ struct GNUNET_PSYC_Environment *env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (env, GNUNET_PSYC_OP_SET,
+ "_message", DATA2ARG ("Leaving."));
GNUNET_SOCIAL_guest_leave (gst, env, &guest_left, NULL);
- GNUNET_ENV_environment_destroy (env);
+ GNUNET_PSYC_env_destroy (env);
gst = NULL;
gst_plc = NULL;
}
const struct GNUNET_PSYC_MessageMethod *meth,
uint64_t message_id,
uint32_t flags,
- const struct GNUNET_SOCIAL_Nym *nym,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *nym_pub_key,
const char *method_name)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
guest_recv_modifier (void *cls,
const struct GNUNET_MessageHeader *msg,
uint64_t message_id,
- enum GNUNET_ENV_Operator oper,
+ enum GNUNET_PSYC_Operator oper,
const char *name,
const void *value,
uint16_t value_size,
guest_recv_mod_foo_bar (void *cls,
const struct GNUNET_MessageHeader *msg,
uint64_t message_id,
- enum GNUNET_ENV_Operator oper,
+ enum GNUNET_PSYC_Operator oper,
const char *name,
const void *value,
uint16_t value_size,
const struct GNUNET_PSYC_MessageMethod *meth,
uint64_t message_id,
uint32_t flags,
- const struct GNUNET_SOCIAL_Nym *nym,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *nym_pub_key,
const char *method_name)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
host_recv_modifier (void *cls,
const struct GNUNET_MessageHeader *msg,
uint64_t message_id,
- enum GNUNET_ENV_Operator oper,
+ enum GNUNET_PSYC_Operator oper,
const char *name,
const void *value,
uint16_t value_size,
test = TEST_GUEST_TALK;
tmit = (struct TransmitClosure) {};
- tmit.env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (tmit.env, GNUNET_ENV_OP_ASSIGN,
- "_bar_foo", DATA2ARG ("one two three"));
- GNUNET_ENV_environment_add (tmit.env, GNUNET_ENV_OP_ASSIGN,
- "_bar_baz", DATA2ARG ("four five"));
+ tmit.env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (tmit.env, GNUNET_PSYC_OP_ASSIGN,
+ "_bar_foo", DATA2ARG ("one two three"));
+ GNUNET_PSYC_env_add (tmit.env, GNUNET_PSYC_OP_ASSIGN,
+ "_bar_baz", DATA2ARG ("four five"));
tmit.data[0] = "zzz xxx yyy";
tmit.data[1] = "zyx wvu tsr qpo";
tmit.data_delay[1] = 1;
"Test #%u: Host announcement.\n", test);
tmit = (struct TransmitClosure) {};
- tmit.env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (tmit.env, GNUNET_ENV_OP_ASSIGN,
- "_foo", DATA2ARG ("bar baz"));
- GNUNET_ENV_environment_add (tmit.env, GNUNET_ENV_OP_ASSIGN,
- "_foo_bar", DATA2ARG ("foo bar"));
- GNUNET_ENV_environment_add (tmit.env, GNUNET_ENV_OP_ASSIGN,
- "_foo_bar_baz", DATA2ARG ("foo bar baz"));
+ tmit.env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (tmit.env, GNUNET_PSYC_OP_ASSIGN,
+ "_foo", DATA2ARG ("bar baz"));
+ GNUNET_PSYC_env_add (tmit.env, GNUNET_PSYC_OP_ASSIGN,
+ "_foo_bar", DATA2ARG ("foo bar"));
+ GNUNET_PSYC_env_add (tmit.env, GNUNET_PSYC_OP_ASSIGN,
+ "_foo_bar_baz", DATA2ARG ("foo bar baz"));
tmit.data[0] = "aaa bbb ccc";
tmit.data[1] = "abc def ghi jkl";
tmit.data_delay[1] = 1;
host_announce2 ()
{
GNUNET_assert (2 == mod_foo_bar_rcls.n);
- GNUNET_SOCIAL_slicer_modifier_remove (guest_slicer, "_foo_bar",
- guest_recv_mod_foo_bar);
+ GNUNET_PSYC_slicer_modifier_remove (guest_slicer, "_foo_bar",
+ guest_recv_mod_foo_bar);
test = TEST_HOST_ANNOUNCE2;
"Test #%u: Host announcement 2.\n", test);
tmit = (struct TransmitClosure) {};
- tmit.env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (tmit.env, GNUNET_ENV_OP_ASSIGN,
- "_foo2", DATA2ARG ("BAR BAZ"));
- GNUNET_ENV_environment_add (tmit.env, GNUNET_ENV_OP_ASSIGN,
- "_foo2_bar", DATA2ARG ("FOO BAR"));
- GNUNET_ENV_environment_add (tmit.env, GNUNET_ENV_OP_ASSIGN,
- "_foo2_bar", DATA2ARG ("FOO BAR BAZ"));
+ tmit.env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (tmit.env, GNUNET_PSYC_OP_ASSIGN,
+ "_foo2", DATA2ARG ("BAR BAZ"));
+ GNUNET_PSYC_env_add (tmit.env, GNUNET_PSYC_OP_ASSIGN,
+ "_foo2_bar", DATA2ARG ("FOO BAR"));
+ GNUNET_PSYC_env_add (tmit.env, GNUNET_PSYC_OP_ASSIGN,
+ "_foo2_bar", DATA2ARG ("FOO BAR BAZ"));
tmit.data[0] = "AAA BBB CCC";
tmit.data[1] = "ABC DEF GHI JKL";
tmit.data[2] = "TESTING ONE TWO THREE";
if (NULL != entry_msg)
{
- struct GNUNET_ENV_Environment *env = GNUNET_ENV_environment_create ();
+ struct GNUNET_PSYC_Environment *env = GNUNET_PSYC_env_create ();
const char *method_name = NULL;
const void *data = NULL;
uint16_t data_size = 0;
host_answer_door (void *cls,
struct GNUNET_SOCIAL_Nym *nym,
const char *method_name,
- struct GNUNET_ENV_Environment *env,
+ struct GNUNET_PSYC_Environment *env,
size_t data_size,
const void *data)
{
struct GuestEnterMessage *emsg = &guest_enter_msg;
emsg->method_name = "_request_enter";
- emsg->env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (emsg->env, GNUNET_ENV_OP_ASSIGN,
- "_abc", "abc def", 7);
- GNUNET_ENV_environment_add (emsg->env, GNUNET_ENV_OP_ASSIGN,
- "_abc_def", "abc def ghi", 11);
+ emsg->env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (emsg->env, GNUNET_PSYC_OP_ASSIGN,
+ "_abc", "abc def", 7);
+ GNUNET_PSYC_env_add (emsg->env, GNUNET_PSYC_OP_ASSIGN,
+ "_abc_def", "abc def ghi", 11);
emsg->data = "let me in";
emsg->data_size = strlen (emsg->data) + 1;
emsg->msg = GNUNET_PSYC_message_create (emsg->method_name, emsg->env,
struct GuestEnterMessage *emsg = &guest_enter_msg;
emsg->method_name = "_request_enter";
- emsg->env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (emsg->env, GNUNET_ENV_OP_ASSIGN,
- "_abc", "abc def", 7);
- GNUNET_ENV_environment_add (emsg->env, GNUNET_ENV_OP_ASSIGN,
- "_abc_def", "abc def ghi", 11);
+ emsg->env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (emsg->env, GNUNET_PSYC_OP_ASSIGN,
+ "_abc", "abc def", 7);
+ GNUNET_PSYC_env_add (emsg->env, GNUNET_PSYC_OP_ASSIGN,
+ "_abc_def", "abc def ghi", 11);
emsg->data = "let me in";
emsg->data_size = strlen (emsg->data) + 1;
emsg->msg = GNUNET_PSYC_message_create (emsg->method_name, emsg->env,
{
guest_pub_key = *(GNUNET_SOCIAL_ego_get_pub_key (guest_ego));
- guest_slicer = GNUNET_SOCIAL_slicer_create ();
- GNUNET_SOCIAL_slicer_method_add (guest_slicer, "",
- guest_recv_method, guest_recv_modifier,
- guest_recv_data, guest_recv_eom, NULL);
- GNUNET_SOCIAL_slicer_modifier_add (guest_slicer, "_foo_bar",
- guest_recv_mod_foo_bar, &mod_foo_bar_rcls);
+ guest_slicer = GNUNET_PSYC_slicer_create ();
+ GNUNET_PSYC_slicer_method_add (guest_slicer, "",
+ guest_recv_method, guest_recv_modifier,
+ guest_recv_data, guest_recv_eom, NULL);
+ GNUNET_PSYC_slicer_modifier_add (guest_slicer, "_foo_bar",
+ guest_recv_mod_foo_bar, &mod_foo_bar_rcls);
test = TEST_HOST_ANSWER_DOOR_ADMIT;
GNUNET_SOCIAL_zone_add_nym (app, guest_ego, "host", &host_pub_key,
static void
host_enter ()
{
- host_slicer = GNUNET_SOCIAL_slicer_create ();
- GNUNET_SOCIAL_slicer_method_add (host_slicer, "",
- &host_recv_method, &host_recv_modifier,
- &host_recv_data, &host_recv_eom, NULL);
+ host_slicer = GNUNET_PSYC_slicer_create ();
+ GNUNET_PSYC_slicer_method_add (host_slicer, "",
+ &host_recv_method, &host_recv_modifier,
+ &host_recv_data, &host_recv_eom, NULL);
GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Entering to place as host.\n");
test = TEST_HOST_ENTER;
projects / oweals / gnunet.git / commitdiff