endif
-noinst_PROGRAMS = \
- gnunet-regex-profiler \
- gnunet-daemon-regexprofiler
-
-gnunet_regex_profiler_SOURCES = \
- gnunet-regex-profiler.c
-gnunet_regex_profiler_LDADD = \
- $(top_builddir)/src/util/libgnunetutil.la \
- $(top_builddir)/src/testbed/libgnunettestbed.la \
- $(top_builddir)/src/mesh/libgnunetmesh.la \
- $(top_builddir)/src/regex/libgnunetregex.la \
- $(top_builddir)/src/statistics/libgnunetstatistics.la
-gnunet_regex_profiler_DEPENDENCIES = \
- libgnunetmesh.la
-
-gnunet_daemon_regexprofiler_SOURCES = \
- gnunet-daemon-regexprofiler.c
-gnunet_daemon_regexprofiler_LDADD = \
- $(top_builddir)/src/util/libgnunetutil.la \
- $(top_builddir)/src/mesh/libgnunetmesh.la \
- $(top_builddir)/src/statistics/libgnunetstatistics.la
-gnunet_daemon_regexprofiler_DEPENDENCIES = \
- libgnunetmesh.la
-
noinst_LIBRARIES = libgnunetmeshtest.a
libgnunetmeshtest_a_SOURCES = \
+++ /dev/null
-/*
- This file is part of GNUnet.
- (C) 2010, 2011, 2012 Christian Grothoff
-
- 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-*/
-
-/**
- * @file mesh/gnunet-daemon-regexprofiler.c
- * @brief daemon that uses mesh to announce a regular expression. Used in
- * conjunction with gnunet-regex-profiler to announce regexes on serveral peers
- * without the need to explicitly connect to the mesh service running on the
- * peer from within the profiler.
- * @author Maximilian Szengel
- */
-#include "platform.h"
-#include "gnunet_mesh_service.h"
-#include "gnunet_statistics_service.h"
-
-/**
- * Return value from 'main'.
- */
-static int global_ret;
-
-/**
- * Configuration we use.
- */
-static const struct GNUNET_CONFIGURATION_Handle *cfg;
-
-/**
- * Handle to the statistics service.
- */
-static struct GNUNET_STATISTICS_Handle *stats_handle;
-
-/**
- * Peer's mesh handle.
- */
-struct GNUNET_MESH_Handle *mesh_handle;
-
-/**
- * Peer's mesh tunnel handle.
- */
-struct GNUNET_MESH_Tunnel *mesh_tunnel_handle;
-
-/**
- * Maximal path compression length for regex announcing.
- */
-static unsigned long long max_path_compression;
-
-/**
- * Name of the file containing policies that this peer should announce. One
- * policy per line.
- */
-static char * policy_filename;
-
-/**
- * Prefix to add before every regex we're announcing.
- */
-static char * regex_prefix;
-
-/**
- * Task run during shutdown.
- *
- * @param cls unused
- * @param tc unused
- */
-static void
-shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shutting down\n");
-
- if (NULL != mesh_tunnel_handle)
- {
- GNUNET_MESH_tunnel_destroy (mesh_tunnel_handle);
- mesh_tunnel_handle = NULL;
- }
-
- if (NULL != mesh_handle)
- {
- GNUNET_MESH_disconnect (mesh_handle);
- mesh_handle = NULL;
- }
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shut down\n");
-}
-
-
-/**
- * Announce the given regular expression using Mesh and the path compression
- * length read from config.
- *
- * @param regex regular expression to announce on this peer's mesh.
- */
-static void
-announce_regex (const char * regex)
-{
- if (NULL == regex || 0 == strlen (regex))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot announce empty regex\n");
- return;
- }
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Announcing regex: %s\n", regex);
- GNUNET_STATISTICS_update (stats_handle, "# regexes announced", 1, GNUNET_NO);
- GNUNET_MESH_announce_regex (mesh_handle, regex, (unsigned int)max_path_compression);
-}
-
-
-/**
- * Load regular expressions from filename into 'rxes' array. Array needs to be freed.
- *
- * @param filename filename of the file containing the regexes, one per line.
- * @param rx string with the union of all regular expressions.
- * @return number of regular expressions read from filename and in rxes array.
- */
-static unsigned int
-load_regexes (const char *filename, char **rx)
-{
- char *data;
- char *buf;
- uint64_t filesize;
- unsigned int offset;
- unsigned int rx_cnt;
-
- if (GNUNET_YES != GNUNET_DISK_file_test (policy_filename))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Could not find policy file %s\n", policy_filename);
- return 0;
- }
- if (GNUNET_OK != GNUNET_DISK_file_size (policy_filename, &filesize, GNUNET_YES, GNUNET_YES))
- filesize = 0;
- if (0 == filesize)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Policy file %s is empty.\n", policy_filename);
- return 0;
- }
- data = GNUNET_malloc (filesize);
- if (filesize != GNUNET_DISK_fn_read (policy_filename, data, filesize))
- {
- GNUNET_free (data);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not read policy file %s.\n",
- policy_filename);
- return 0;
- }
- buf = data;
- offset = 0;
- rx_cnt = 0;
- while (offset < (filesize - 1))
- {
- offset++;
- if ((data[offset] == '\n') && (buf != &data[offset]))
- {
- data[offset] = '|';
- buf = &data[offset + 1];
- rx_cnt++;
- }
- else if ((data[offset] == '\n') || (data[offset] == '\0'))
- buf = &data[offset + 1];
- }
- data[offset] = '\0';
- *rx = data;
-
- return rx_cnt;
-}
-
-
-/**
- * @brief Main function that will be run by the scheduler.
- *
- * @param cls closure
- * @param args remaining command-line arguments
- * @param cfgfile name of the configuration file used (for saving, can be NULL!)
- * @param cfg_ configuration
- */
-static void
-run (void *cls, char *const *args GNUNET_UNUSED,
- const char *cfgfile GNUNET_UNUSED,
- const struct GNUNET_CONFIGURATION_Handle *cfg_)
-{
- char *regex = NULL;
- char *rx_with_pfx;
- const GNUNET_MESH_ApplicationType app = (GNUNET_MESH_ApplicationType)0;
- static struct GNUNET_MESH_MessageHandler handlers[] = {
- {NULL, 0, 0}
- };
-
- cfg = cfg_;
-
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg, "REGEXPROFILER", "MAX_PATH_COMPRESSION",
- &max_path_compression))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("%s service is lacking key configuration settings (%s). Exiting.\n"),
- "regexprofiler", "max_path_compression");
- global_ret = GNUNET_SYSERR;
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
-
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg, "REGEXPROFILER", "POLICY_FILE",
- &policy_filename))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("%s service is lacking key configuration settings (%s). Exiting.\n"),
- "regexprofiler", "policy_file");
- global_ret = GNUNET_SYSERR;
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
-
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_string (cfg, "REGEXPROFILER", "REGEX_PREFIX",
- ®ex_prefix))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("%s service is lacking key configuration settings (%s). Exiting.\n"),
- "regexprofiler", "regex_prefix");
- global_ret = GNUNET_SYSERR;
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
-
- stats_handle = GNUNET_STATISTICS_create ("regexprofiler", cfg);
-
- mesh_handle =
- GNUNET_MESH_connect (cfg, NULL, NULL, NULL, handlers, &app);
-
- if (NULL == mesh_handle)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not acquire mesh handle. Exiting.\n");
- global_ret = GNUNET_SYSERR;
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
-
- /* Read regexes from policy files */
- if (0 == load_regexes (policy_filename, ®ex))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Policy file %s contains no policies. Exiting.\n",
- policy_filename);
- global_ret = GNUNET_SYSERR;
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
-
- /* Announcing regexes from policy_filename */
- GNUNET_asprintf (&rx_with_pfx, "%s(%s)", regex_prefix, regex);
- announce_regex (rx_with_pfx);
- GNUNET_free (rx_with_pfx);
- GNUNET_free (regex);
-
- /* Scheduled the task to clean up when shutdown is called */
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
- NULL);
-}
-
-
-/**
- * The main function of the regexprofiler service.
- *
- * @param argc number of arguments from the command line
- * @param argv command line arguments
- * @return 0 ok, 1 on error
- */
-int
-main (int argc, char *const *argv)
-{
- static const struct GNUNET_GETOPT_CommandLineOption options[] = {
- GNUNET_GETOPT_OPTION_END
- };
-
- if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
- return 2;
- sleep (60);
- return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "regexprofiler",
- gettext_noop
- ("Daemon to announce regular expressions for the peer using mesh."),
- options, &run, NULL)) ? global_ret : 1;
-}
-
-
-#ifdef LINUX
-#include <malloc.h>
-
-/**
- * MINIMIZE heap size (way below 128k) since this process doesn't need much.
- */
-void __attribute__ ((constructor)) GNUNET_ARM_memory_init ()
-{
- mallopt (M_TRIM_THRESHOLD, 4 * 1024);
- mallopt (M_TOP_PAD, 1 * 1024);
- malloc_trim (0);
-}
-#endif
-
-
-/* end of gnunet-daemon-regexprofiler.c */
+++ /dev/null
-/**
- This file is part of GNUnet.
- (C) 2011, 2012 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-*/
-
-/**
- * @file mesh/gnunet-regex-profiler.c
- * @brief Regex profiler for testing distributed regex use.
- * @author Bart Polot
- * @author Max Szengel
- *
- */
-
-#include <string.h>
-
-#include "platform.h"
-#include "gnunet_applications.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_mesh_service.h"
-#include "gnunet_stream_lib.h"
-#include "gnunet_testbed_service.h"
-
-/**
- * DLL of operations
- */
-struct DLLOperation
-{
- /**
- * The testbed operation handle
- */
- struct GNUNET_TESTBED_Operation *op;
-
- /**
- * Closure
- */
- void *cls;
-
- /**
- * The next pointer for DLL
- */
- struct DLLOperation *next;
-
- /**
- * The prev pointer for DLL
- */
- struct DLLOperation *prev;
-};
-
-
-/**
- * Available states during profiling
- */
-enum State
-{
- /**
- * Initial state
- */
- STATE_INIT = 0,
-
- /**
- * Starting slaves
- */
- STATE_SLAVES_STARTING,
-
- /**
- * Creating peers
- */
- STATE_PEERS_CREATING,
-
- /**
- * Starting peers
- */
- STATE_PEERS_STARTING,
-
- /**
- * Linking peers
- */
- STATE_PEERS_LINKING,
-
- /**
- * Matching strings against announced regexes
- */
- STATE_SEARCH_REGEX,
-
- /**
- * Destroying peers; we can do this as the controller takes care of stopping a
- * peer if it is running
- */
- STATE_PEERS_DESTROYING
-};
-
-
-/**
- * Peer handles.
- */
-struct RegexPeer
-{
- /**
- * Peer id.
- */
- unsigned int id;
-
- /**
- * Peer configuration handle.
- */
- struct GNUNET_CONFIGURATION_Handle *cfg;
-
- /**
- * The actual testbed peer handle.
- */
- struct GNUNET_TESTBED_Peer *peer_handle;
-
- /**
- * Host on which the peer is running.
- */
- struct GNUNET_TESTBED_Host *host_handle;
-
- /**
- * Filename of the peer's policy file.
- */
- char *policy_file;
-
- /**
- * Peers search string.
- */
- const char *search_str;
-
- /**
- * Set to GNUNET_YES if the peer successfully matched the above
- * search string. GNUNET_NO if the string could not be matched
- * during the profiler run. GNUNET_SYSERR if the string matching
- * timed out. Undefined if search_str is NULL
- */
- int search_str_matched;
-
- /**
- * Peer's mesh handle.
- */
- struct GNUNET_MESH_Handle *mesh_handle;
-
- /**
- * Peer's mesh tunnel handle.
- */
- struct GNUNET_MESH_Tunnel *mesh_tunnel_handle;
-
- /**
- * Testbed operation handle for the mesh service.
- */
- struct GNUNET_TESTBED_Operation *mesh_op_handle;
-
- /**
- * Peers's statistics handle.
- */
- struct GNUNET_STATISTICS_Handle *stats_handle;
-
- /**
- * Testbed operation handle for the statistics service.
- */
- struct GNUNET_TESTBED_Operation *stats_op_handle;
-
- /**
- * The starting time of a profiling step.
- */
- struct GNUNET_TIME_Absolute prof_start_time;
-};
-
-
-/**
- * An array of hosts loaded from the hostkeys file
- */
-static struct GNUNET_TESTBED_Host **hosts;
-
-/**
- * Array of peer handles used to pass to
- * GNUNET_TESTBED_overlay_configure_topology
- */
-static struct GNUNET_TESTBED_Peer **peer_handles;
-
-/**
- * The array of peers; we fill this as the peers are given to us by the testbed
- */
-static struct RegexPeer *peers;
-
-/**
- * Host registration handle
- */
-static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
-
-/**
- * Handle to the master controller process
- */
-static struct GNUNET_TESTBED_ControllerProc *mc_proc;
-
-/**
- * Handle to the master controller
- */
-static struct GNUNET_TESTBED_Controller *mc;
-
-/**
- * Handle to global configuration
- */
-static struct GNUNET_CONFIGURATION_Handle *cfg;
-
-/**
- * Head of the operations list
- */
-static struct DLLOperation *dll_op_head;
-
-/**
- * Tail of the operations list
- */
-static struct DLLOperation *dll_op_tail;
-
-/**
- * Peer linking - topology operation
- */
-static struct GNUNET_TESTBED_Operation *topology_op;
-
-/**
- * The handle for whether a host is habitable or not
- */
-struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handles;
-
-/**
- * Abort task identifier
- */
-static GNUNET_SCHEDULER_TaskIdentifier abort_task;
-
-/**
- * Shutdown task identifier
- */
-static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
-
-/**
- * Host registration task identifier
- */
-static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
-
-/**
- * Global event mask for all testbed events
- */
-static uint64_t event_mask;
-
-/**
- * The starting time of a profiling step
- */
-static struct GNUNET_TIME_Absolute prof_start_time;
-
-/**
- * Duration profiling step has taken
- */
-static struct GNUNET_TIME_Relative prof_time;
-
-/**
- * Number of peers to be started by the profiler
- */
-static unsigned int num_peers;
-
-/**
- * Number of hosts in the hosts array
- */
-static unsigned int num_hosts;
-
-/**
- * Factor of number of links. num_links = num_peers * linking_factor.
- */
-static unsigned int linking_factor;
-
-/**
- * Number of random links to be established between peers
- */
-static unsigned int num_links;
-
-/**
- * Number of times we try overlay connect operations
- */
-static unsigned int retry_links;
-
-/**
- * Continuous failures during overlay connect operations
- */
-static unsigned int cont_fails;
-
-/**
- * Global testing status
- */
-static int result;
-
-/**
- * current state of profiling
- */
-enum State state;
-
-/**
- * Folder where policy files are stored.
- */
-static char * policy_dir;
-
-/**
- * Search strings.
- */
-static char **search_strings;
-
-/**
- * Number of search strings.
- */
-static int num_search_strings;
-
-/**
- * Number of peers found with search strings.
- */
-static unsigned int peers_found;
-
-/**
- * Search task identifier
- */
-static GNUNET_SCHEDULER_TaskIdentifier search_task;
-
-/**
- * Search timeout task identifier.
- */
-static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
-
-/**
- * Search timeout in seconds.
- */
-static struct GNUNET_TIME_Relative search_timeout = { 60000 };
-
-/**
- * How long do we wait before starting the search?
- * Default: 1 m.
- */
-static struct GNUNET_TIME_Relative search_delay = { 60000 };
-
-/**
- * File to log statistics to.
- */
-static struct GNUNET_DISK_FileHandle *data_file;
-
-/**
- * Filename to log statistics to.
- */
-static char *data_filename;
-
-/**
- * Maximal path compression length.
- */
-static unsigned int max_path_compression;
-
-/**
- * If we should distribute the search evenly throught all peers (each
- * peer searches for a string) or if only one peer should search for
- * all strings.
- */
-static int no_distributed_search;
-
-/**
- * Prefix used for regex announcing. We need to prefix the search
- * strings with it, in order to find something.
- */
-static char * regex_prefix;
-
-
-/******************************************************************************/
-/****************************** DECLARATIONS ********************************/
-/******************************************************************************/
-
-
-/**
- * Method called whenever a peer has connected to the tunnel.
- *
- * @param cls closure
- * @param peer_id peer identity the tunnel was created to, NULL on timeout
- * @param atsi performance data for the connection
- *
- */
-static void
-mesh_peer_connect_handler (void *cls,
- const struct GNUNET_PeerIdentity* peer_id,
- const struct GNUNET_ATS_Information * atsi);
-
-
-/**
- * Method called whenever a peer has disconnected from the tunnel.
- * Implementations of this callback must NOT call
- * GNUNET_MESH_tunnel_destroy immediately, but instead schedule those
- * to run in some other task later. However, calling
- * "GNUNET_MESH_notify_transmit_ready_cancel" is allowed.
- *
- * @param cls closure
- * @param peer_id peer identity the tunnel stopped working with
- */
-static void
-mesh_peer_disconnect_handler (void *cls,
- const struct GNUNET_PeerIdentity * peer_id);
-
-/**
- * Mesh connect callback.
- *
- * @param cls internal peer id.
- * @param op operation handle.
- * @param ca_result connect adapter result.
- * @param emsg error message.
- */
-static void
-mesh_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
- void *ca_result, const char *emsg);
-
-/**
- * Mesh connect adapter.
- *
- * @param cls not used.
- * @param cfg configuration handle.
- *
- * @return
- */
-static void *
-mesh_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg);
-
-
-/**
- * Adapter function called to destroy a connection to
- * the mesh service
- *
- * @param cls closure
- * @param op_result service handle returned from the connect adapter
- */
-static void
-mesh_da (void *cls, void *op_result);
-
-
-/**
- * Function called by testbed once we are connected to stats
- * service. Get the statistics for the services of interest.
- *
- * @param cls the 'struct RegexPeer' for which we connected to stats
- * @param op connect operation handle
- * @param ca_result handle to stats service
- * @param emsg error message on failure
- */
-static void
-stats_connect_cb (void *cls,
- struct GNUNET_TESTBED_Operation *op,
- void *ca_result,
- const char *emsg);
-
-
-/**
- * Task to collect all statistics from all peers, will shutdown the
- * profiler, when done.
- *
- * @param cls NULL
- * @param tc the task context
- */
-static void
-do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
-
-
-/******************************************************************************/
-/******************************** SHUTDOWN **********************************/
-/******************************************************************************/
-
-
-/**
- * Shutdown nicely
- *
- * @param cls NULL
- * @param tc the task context
- */
-static void
-do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct DLLOperation *dll_op;
- struct RegexPeer *peer;
- unsigned int nhost;
- unsigned int peer_cnt;
- unsigned int search_str_cnt;
- char output_buffer[512];
- size_t size;
-
- shutdown_task = GNUNET_SCHEDULER_NO_TASK;
- if (GNUNET_SCHEDULER_NO_TASK != abort_task)
- GNUNET_SCHEDULER_cancel (abort_task);
- if (NULL != hc_handles)
- {
- for (nhost = 0; nhost < num_hosts; nhost++)
- if (NULL != hc_handles[nhost])
- GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
- GNUNET_free (hc_handles);
- hc_handles = NULL;
- }
- if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
- GNUNET_SCHEDULER_cancel (register_hosts_task);
-
- for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
- {
- peer = &peers[peer_cnt];
-
- if (GNUNET_YES != peer->search_str_matched && NULL != data_file)
- {
- prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
- size =
- GNUNET_snprintf (output_buffer,
- sizeof (output_buffer),
- "%p Search string not found: %s (%d)\n%p On peer: %u (%p)\n%p With policy file: %s\n%p After: %s\n",
- peer,
- peer->search_str,
- peer->search_str_matched,
- peer,
- peer->id,
- peer,
- peer,
- peer->policy_file,
- peer,
- GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
- if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
- }
-
- if (NULL != peers[peer_cnt].mesh_op_handle)
- GNUNET_TESTBED_operation_done (peers[peer_cnt].mesh_op_handle);
- if (NULL != peers[peer_cnt].stats_op_handle)
- GNUNET_TESTBED_operation_done (peers[peer_cnt].stats_op_handle);
- }
-
- if (NULL != data_file)
- GNUNET_DISK_file_close (data_file);
-
- for (search_str_cnt = 0;
- search_str_cnt < num_search_strings && NULL != search_strings;
- search_str_cnt++)
- {
- GNUNET_free_non_null (search_strings[search_str_cnt]);
- }
- GNUNET_free_non_null (search_strings);
-
- if (NULL != reg_handle)
- GNUNET_TESTBED_cancel_registration (reg_handle);
- if (NULL != topology_op)
- GNUNET_TESTBED_operation_done (topology_op);
- for (nhost = 0; nhost < num_hosts; nhost++)
- if (NULL != hosts[nhost])
- GNUNET_TESTBED_host_destroy (hosts[nhost]);
- GNUNET_free_non_null (hosts);
-
- while (NULL != (dll_op = dll_op_head))
- {
- GNUNET_TESTBED_operation_done (dll_op->op);
- GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
- GNUNET_free (dll_op);
- }
- if (NULL != mc)
- GNUNET_TESTBED_controller_disconnect (mc);
- if (NULL != mc_proc)
- GNUNET_TESTBED_controller_stop (mc_proc);
- if (NULL != cfg)
- GNUNET_CONFIGURATION_destroy (cfg);
-
- GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
-}
-
-
-/**
- * abort task to run on test timed out
- *
- * @param cls NULL
- * @param tc the task context
- */
-static void
-do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- unsigned long i = (unsigned long) cls;
-
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting %lu...\n", i);
- abort_task = GNUNET_SCHEDULER_NO_TASK;
- result = GNUNET_SYSERR;
- if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
- GNUNET_SCHEDULER_cancel (shutdown_task);
- shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
-}
-
-
-/******************************************************************************/
-/********************* STATISTICS SERVICE CONNECTIONS ***********************/
-/******************************************************************************/
-
-/**
- * Adapter function called to establish a connection to
- * statistics service.
- *
- * @param cls closure
- * @param cfg configuration of the peer to connect to; will be available until
- * GNUNET_TESTBED_operation_done() is called on the operation returned
- * from GNUNET_TESTBED_service_connect()
- * @return service handle to return in 'op_result', NULL on error
- */
-static void *
-stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
-{
- return GNUNET_STATISTICS_create ("<driver>", cfg);
-}
-
-
-/**
- * Adapter function called to destroy a connection to
- * statistics service.
- *
- * @param cls closure
- * @param op_result service handle returned from the connect adapter
- */
-static void
-stats_da (void *cls, void *op_result)
-{
- struct RegexPeer *peer = cls;
-
- GNUNET_assert (op_result == peer->stats_handle);
-
- GNUNET_STATISTICS_destroy (peer->stats_handle, GNUNET_NO);
- peer->stats_handle = NULL;
-}
-
-
-/**
- * Process statistic values. Write all values to global 'data_file', if present.
- *
- * @param cls closure
- * @param subsystem name of subsystem that created the statistic
- * @param name the name of the datum
- * @param value the current value
- * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
- * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
- */
-static int
-stats_iterator (void *cls, const char *subsystem, const char *name,
- uint64_t value, int is_persistent)
-{
- struct RegexPeer *peer = cls;
- char output_buffer[512];
- size_t size;
-
- if (NULL == data_file)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "%p -> %s [%s]: %llu\n",
- peer, subsystem, name, value);
- return GNUNET_OK;
- }
- size =
- GNUNET_snprintf (output_buffer,
- sizeof (output_buffer),
- "%p [%s] %llu %s\n",
- peer,
- subsystem, value, name);
- if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
-
- return GNUNET_OK;
-}
-
-
-/**
- * Stats callback. Finish the stats testbed operation and when all stats have
- * been iterated, shutdown the profiler.
- *
- * @param cls closure
- * @param success GNUNET_OK if statistics were
- * successfully obtained, GNUNET_SYSERR if not.
- */
-static void
-stats_cb (void *cls,
- int success)
-{
- static unsigned int peer_cnt;
- struct RegexPeer *peer = cls;
-
- if (GNUNET_OK != success)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Getting statistics for peer %u failed!\n",
- peer->id);
- return;
- }
-
- GNUNET_assert (NULL != peer->stats_op_handle);
-
- GNUNET_TESTBED_operation_done (peer->stats_op_handle);
- peer->stats_op_handle = NULL;
-
- peer_cnt++;
- peer = &peers[peer_cnt];
-
- if (peer_cnt == num_peers)
- {
- struct GNUNET_TIME_Relative delay = { 100 };
- shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
- }
- else
- {
- peer->stats_op_handle =
- GNUNET_TESTBED_service_connect (NULL,
- peer->peer_handle,
- "statistics",
- &stats_connect_cb,
- peer,
- &stats_ca,
- &stats_da,
- peer);
- }
-}
-
-
-/**
- * Function called by testbed once we are connected to stats
- * service. Get the statistics for the services of interest.
- *
- * @param cls the 'struct RegexPeer' for which we connected to stats
- * @param op connect operation handle
- * @param ca_result handle to stats service
- * @param emsg error message on failure
- */
-static void
-stats_connect_cb (void *cls,
- struct GNUNET_TESTBED_Operation *op,
- void *ca_result,
- const char *emsg)
-{
- struct RegexPeer *peer = cls;
-
- if (NULL == ca_result || NULL != emsg)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Failed to connect to statistics service on peer %u: %s\n",
- peer->id, emsg);
-
- peer->stats_handle = NULL;
- return;
- }
-
- peer->stats_handle = ca_result;
-
- if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
- GNUNET_TIME_UNIT_FOREVER_REL,
- &stats_cb,
- &stats_iterator, peer))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Could not get statistics of peer %u!\n", peer->id);
- }
-}
-
-
-/**
- * Task to collect all statistics from all peers, will shutdown the
- * profiler, when done.
- *
- * @param cls NULL
- * @param tc the task context
- */
-static void
-do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct RegexPeer *peer = &peers[0];
-
- GNUNET_assert (NULL != peer->peer_handle);
-
- peer->stats_op_handle =
- GNUNET_TESTBED_service_connect (NULL,
- peer->peer_handle,
- "statistics",
- &stats_connect_cb,
- peer,
- &stats_ca,
- &stats_da,
- peer);
-}
-
-
-/******************************************************************************/
-/************************ MESH SERVICE CONNECTIONS **************************/
-/******************************************************************************/
-
-/**
- * Method called whenever a peer has disconnected from the tunnel.
- * Implementations of this callback must NOT call
- * GNUNET_MESH_tunnel_destroy immediately, but instead schedule those
- * to run in some other task later. However, calling
- * "GNUNET_MESH_notify_transmit_ready_cancel" is allowed.
- *
- * @param cls closure
- * @param peer_id peer identity the tunnel stopped working with
- */
-static void
-mesh_peer_disconnect_handler (void *cls,
- const struct GNUNET_PeerIdentity * peer_id)
-{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh peer disconnect handler.\n");
-}
-
-
-/**
- * Method called when the mesh connection succeeded (or timed out), which means
- * we've found a peer that announced a regex that matches our search string. Now
- * get the statistics.
- *
- * @param cls closure
- * @param peer_id peer identity the tunnel was created to, NULL on timeout
- * @param atsi performance data for the connection
- *
- */
-static void
-mesh_peer_connect_handler (void *cls,
- const struct GNUNET_PeerIdentity* peer_id,
- const struct GNUNET_ATS_Information * atsi)
-{
- struct RegexPeer *peer = cls;
- char output_buffer[512];
- size_t size;
-
- if (GNUNET_YES == peer->search_str_matched)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "String %s on peer %u already matched!\n",
- peer->search_str, peer->id);
- return;
- }
-
- peers_found++;
-
- if (NULL == peer_id)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "String matching timed out for string %s on peer %u (%i/%i)\n",
- peer->search_str, peer->id, peers_found, num_search_strings);
-
- printf ("String matching timed out for string %s on peer %u (%i/%i)\n",
- peer->search_str, peer->id, peers_found, num_search_strings);
-
- peer->search_str_matched = GNUNET_SYSERR;
- }
- else
- {
- prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "String %s successfully matched on peer %u after %s (%i/%i)\n",
- peer->search_str, peer->id, GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
- peers_found, num_search_strings);
-
- printf ("String %s successfully matched on peer %u after %s (%i/%i)\n",
- peer->search_str, peer->id, GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
- peers_found, num_search_strings);
- fflush (stdout);
-
- peer->search_str_matched = GNUNET_YES;
-
- if (NULL != data_file)
- {
- size =
- GNUNET_snprintf (output_buffer,
- sizeof (output_buffer),
- "%p Peer: %u\n%p Host: %s\n%p Policy file: %s\n%p Search string: %s\n%p Search duration: %s\n\n",
- peer,
- peer->id,
- peer,
- GNUNET_TESTBED_host_get_hostname (peer->host_handle),
- peer,
- peer->policy_file,
- peer,
- peer->search_str,
- peer,
- GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
-
- if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
- }
- }
-
- GNUNET_TESTBED_operation_done (peer->mesh_op_handle);
- peer->mesh_op_handle = NULL;
-
- if (peers_found == num_search_strings)
- {
- prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "All strings successfully matched in %s\n",
- GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
- printf ("All strings successfully matched.\n");
- fflush (stdout);
-
- if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
- GNUNET_SCHEDULER_cancel (search_timeout_task);
-
- printf ("Collecting stats and shutting down.\n");
- GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
- }
-}
-
-
-/**
- * Connect by string timeout task. This will cancel the profiler after the
- * specified timeout 'search_timeout'.
- *
- * @param cls NULL
- * @param tc the task context
- */
-static void
-do_connect_by_string_timeout (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext * tc)
-{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Finding matches to all strings did not succeed after %s.\n",
- GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Found %i of %i strings\n", peers_found, num_search_strings);
-
- printf ("Search timed out after %s. Collecting stats and shutting down.\n",
- GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
- fflush (stdout);
-
- GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
-}
-
-
-/**
- * Connect by string task that is run to search for a string in the
- * NFA. It first connects to the mesh service and when a connection is
- * established it starts to search for the string.
- *
- * @param cls NULL
- * @param tc the task context
- */
-static void
-do_connect_by_string (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext * tc)
-{
- printf ("Starting string search.\n");
- fflush (stdout);
-
- peers[0].search_str = search_strings[0];
- peers[0].search_str_matched = GNUNET_NO;
-
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Searching for string \"%s\" on peer %d with file %s\n",
- peers[0].search_str, 0, peers[0].policy_file);
-
- /* First connect to mesh service, then search for string. Next
- connect will be in mesh_connect_cb */
- peers[0].mesh_op_handle =
- GNUNET_TESTBED_service_connect (NULL,
- peers[0].peer_handle,
- "mesh",
- &mesh_connect_cb,
- &peers[0],
- &mesh_ca,
- &mesh_da,
- &peers[0]);
-
- search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout,
- &do_connect_by_string_timeout, NULL);
-}
-
-
-/**
- * Mesh connect callback. Called when we are connected to the mesh service for
- * the peer in 'cls'. If successfull we connect to the stats service of this
- * peer and then try to match the search string of this peer.
- *
- * @param cls internal peer id.
- * @param op operation handle.
- * @param ca_result connect adapter result.
- * @param emsg error message.
- */
-static void
-mesh_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
- void *ca_result, const char *emsg)
-{
- struct RegexPeer *peer = (struct RegexPeer *) cls;
- static unsigned int peer_cnt;
- unsigned int next_p;
-
- if (NULL != emsg || NULL == op || NULL == ca_result)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Mesh connect failed: %s\n", emsg);
- GNUNET_assert (0);
- }
-
- GNUNET_assert (NULL != peer->mesh_handle);
- GNUNET_assert (peer->mesh_op_handle == op);
- GNUNET_assert (peer->mesh_handle == ca_result);
-
- peer->mesh_tunnel_handle =
- GNUNET_MESH_tunnel_create (peer->mesh_handle,
- NULL,
- &mesh_peer_connect_handler,
- &mesh_peer_disconnect_handler,
- peer);
-
- peer->prof_start_time = GNUNET_TIME_absolute_get ();
-
- peer->search_str_matched = GNUNET_NO;
- GNUNET_MESH_peer_request_connect_by_string (peer->mesh_tunnel_handle,
- peer->search_str);
-
- if (peer_cnt < (num_search_strings - 1))
- {
- if (GNUNET_YES == no_distributed_search)
- next_p = 0;
- else
- next_p = (++peer_cnt % num_peers);
-
- peers[next_p].search_str = search_strings[next_p];
- peers[next_p].search_str_matched = GNUNET_NO;
-
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Searching for string \"%s\" on peer %d with file %s\n",
- peers[next_p].search_str, next_p, peers[next_p].policy_file);
-
- peers[next_p].mesh_op_handle =
- GNUNET_TESTBED_service_connect (NULL,
- peers[next_p].peer_handle,
- "mesh",
- &mesh_connect_cb,
- &peers[next_p],
- &mesh_ca,
- &mesh_da,
- &peers[next_p]);
- }
-}
-
-
-/**
- * Mesh connect adapter. Opens a connection to the mesh service.
- *
- * @param cls not used.
- * @param cfg configuration handle.
- *
- * @return
- */
-static void *
-mesh_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
-{
- GNUNET_MESH_ApplicationType app;
- struct RegexPeer *peer = cls;
-
- static struct GNUNET_MESH_MessageHandler handlers[] = {
- {NULL, 0, 0}
- };
-
- app = (GNUNET_MESH_ApplicationType)0;
-
- peer->mesh_handle =
- GNUNET_MESH_connect (cfg, peer, NULL, NULL, handlers, &app);
-
- return peer->mesh_handle;
-}
-
-
-/**
- * Adapter function called to destroy a connection to
- * the mesh service
- *
- * @param cls closure
- * @param op_result service handle returned from the connect adapter
- */
-static void
-mesh_da (void *cls, void *op_result)
-{
- struct RegexPeer *peer = (struct RegexPeer *) cls;
-
- GNUNET_assert (peer->mesh_handle == op_result);
-
- if (NULL != peer->mesh_tunnel_handle)
- {
- GNUNET_MESH_tunnel_destroy (peer->mesh_tunnel_handle);
- peer->mesh_tunnel_handle = NULL;
- }
-
- if (NULL != peer->mesh_handle)
- {
- GNUNET_MESH_disconnect (peer->mesh_handle);
- peer->mesh_handle = NULL;
- }
-}
-
-
-/******************************************************************************/
-/*************************** TESTBED PEER SETUP *****************************/
-/******************************************************************************/
-
-
-/**
- * Configure the peer overlay topology.
- *
- * @param cls NULL
- * @param tc the task context
- */
-static void
-do_configure_topology (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext * tc)
-{
- /*
- if (0 == linking_factor)
- linking_factor = 1;
- num_links = linking_factor * num_peers;
- */
- /* num_links = num_peers - 1; */
- num_links = linking_factor;
-
- /* Do overlay connect */
- prof_start_time = GNUNET_TIME_absolute_get ();
- topology_op =
- GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
- NULL,
- GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
- num_links,
- GNUNET_TESTBED_TOPOLOGY_DISABLE_AUTO_RETRY,
- GNUNET_TESTBED_TOPOLOGY_OPTION_END);
- if (NULL == topology_op)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot create topology, op handle was NULL\n");
- GNUNET_assert (0);
- }
-}
-
-
-/**
- * Functions of this signature are called when a peer has been successfully
- * started or stopped.
- *
- * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
- * @param emsg NULL on success; otherwise an error description
- */
-static void
-peer_churn_cb (void *cls, const char *emsg)
-{
- struct DLLOperation *dll_op = cls;
- struct GNUNET_TESTBED_Operation *op;
- static unsigned int started_peers;
- unsigned int peer_cnt;
-
- op = dll_op->op;
- GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
- GNUNET_free (dll_op);
- if (NULL != emsg)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("An operation has failed while starting peers\n"));
- GNUNET_TESTBED_operation_done (op);
- if (GNUNET_SCHEDULER_NO_TASK != abort_task)
- GNUNET_SCHEDULER_cancel (abort_task);
- abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
- return;
- }
- GNUNET_TESTBED_operation_done (op);
- if (++started_peers == num_peers)
- {
- prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "All peers started successfully in %s\n",
- GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
- result = GNUNET_OK;
-
- peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
- for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
- peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
-
- state = STATE_PEERS_LINKING;
- GNUNET_SCHEDULER_add_now (&do_configure_topology, NULL);
- }
-}
-
-
-/**
- * Functions of this signature are called when a peer has been successfully
- * created
- *
- * @param cls the closure from GNUNET_TESTBED_peer_create()
- * @param peer the handle for the created peer; NULL on any error during
- * creation
- * @param emsg NULL if peer is not NULL; else MAY contain the error description
- */
-static void
-peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
-{
- struct DLLOperation *dll_op = cls;
- struct RegexPeer *peer_ptr;
- static unsigned int created_peers;
- unsigned int peer_cnt;
-
- if (NULL != emsg)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Creating a peer failed. Error: %s\n"), emsg);
- GNUNET_TESTBED_operation_done (dll_op->op);
- GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
- GNUNET_free (dll_op);
- if (GNUNET_SCHEDULER_NO_TASK != abort_task)
- GNUNET_SCHEDULER_cancel (abort_task);
- abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
- return;
- }
-
- peer_ptr = dll_op->cls;
- GNUNET_assert (NULL == peer_ptr->peer_handle);
- GNUNET_CONFIGURATION_destroy (peer_ptr->cfg);
- peer_ptr->cfg = NULL;
- peer_ptr->peer_handle = peer;
- GNUNET_TESTBED_operation_done (dll_op->op);
- GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
- GNUNET_free (dll_op);
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
- peer_ptr->id,
- GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
-
- if (++created_peers == num_peers)
- {
- prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "All peers created successfully in %s\n",
- GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
- /* Now peers are to be started */
- state = STATE_PEERS_STARTING;
- prof_start_time = GNUNET_TIME_absolute_get ();
- for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
- {
- dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
- dll_op->op = GNUNET_TESTBED_peer_start (dll_op, peers[peer_cnt].peer_handle,
- &peer_churn_cb, dll_op);
- GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
- }
- }
-}
-
-
-/**
- * Function called with a filename for each file in the policy directory. Create
- * a peer for each filename and update the peer's configuration to include the
- * max_path_compression specified as a command line argument as well as the
- * policy_file for this peer. The gnunet-service-regexprofiler service is
- * automatically started on this peer. The service reads the configurration and
- * announces the regexes stored in the policy file 'filename'.
- *
- * @param cls closure
- * @param filename complete filename (absolute path)
- * @return GNUNET_OK to continue to iterate,
- * GNUNET_SYSERR to abort iteration with error!
- */
-static int
-policy_filename_cb (void *cls, const char *filename)
-{
- static unsigned int peer_cnt;
- struct DLLOperation *dll_op;
- struct RegexPeer *peer = &peers[peer_cnt];
-
- GNUNET_assert (NULL != peer);
-
- peer->policy_file = GNUNET_strdup (filename);
-
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Creating peer %i on host %s for policy file %s\n",
- peer->id,
- GNUNET_TESTBED_host_get_hostname (peer->host_handle),
- filename);
-
- /* Set configuration options specific for this peer
- (max_path_compression and policy_file */
- peer->cfg = GNUNET_CONFIGURATION_dup (cfg);
- GNUNET_CONFIGURATION_set_value_number (peer->cfg, "REGEXPROFILER",
- "MAX_PATH_COMPRESSION",
- (unsigned long long)max_path_compression);
- GNUNET_CONFIGURATION_set_value_string (peer->cfg, "REGEXPROFILER",
- "POLICY_FILE", filename);
-
- dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
- dll_op->cls = &peers[peer_cnt];
- dll_op->op = GNUNET_TESTBED_peer_create (mc,
- peer->host_handle,
- peer->cfg,
- &peer_create_cb,
- dll_op);
- GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
-
- peer_cnt++;
-
- return GNUNET_OK;
-}
-
-
-/**
- * Controller event callback.
- *
- * @param cls NULL
- * @param event the controller event
- */
-static void
-controller_event_cb (void *cls,
- const struct GNUNET_TESTBED_EventInformation *event)
-{
- struct DLLOperation *dll_op;
- struct GNUNET_TESTBED_Operation *op;
- int ret;
-
- switch (state)
- {
- case STATE_SLAVES_STARTING:
- switch (event->type)
- {
- case GNUNET_TESTBED_ET_OPERATION_FINISHED:
- {
- static unsigned int slaves_started;
- unsigned int peer_cnt;
-
- dll_op = event->details.operation_finished.op_cls;
- GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
- GNUNET_free (dll_op);
- op = event->details.operation_finished.operation;
- if (NULL != event->details.operation_finished.emsg)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("An operation has failed while starting slaves\n"));
- GNUNET_TESTBED_operation_done (op);
- if (GNUNET_SCHEDULER_NO_TASK != abort_task)
- GNUNET_SCHEDULER_cancel (abort_task);
- abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
- return;
- }
- GNUNET_TESTBED_operation_done (op);
- /* Proceed to start peers */
- if (++slaves_started == num_hosts - 1)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "All slaves started successfully\n");
-
- state = STATE_PEERS_CREATING;
- prof_start_time = GNUNET_TIME_absolute_get ();
-
- if (-1 == (ret = GNUNET_DISK_directory_scan (policy_dir,
- NULL,
- NULL)))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("No files found in `%s'\n"),
- policy_dir);
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- num_peers = (unsigned int) ret;
- peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
-
- /* Initialize peers */
- for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
- {
- struct RegexPeer *peer = &peers[peer_cnt];
- peer->id = peer_cnt;
- peer->policy_file = NULL;
- /* Do not start peers on hosts[0] (master controller) */
- peer->host_handle = hosts[1 + (peer_cnt % (num_hosts -1))];
- peer->mesh_handle = NULL;
- peer->mesh_tunnel_handle = NULL;
- peer->stats_handle = NULL;
- peer->stats_op_handle = NULL;
- peer->search_str = NULL;
- peer->search_str_matched = GNUNET_NO;
- }
-
- GNUNET_DISK_directory_scan (policy_dir,
- &policy_filename_cb,
- NULL);
- }
- }
- break;
- default:
- GNUNET_assert (0);
- }
- break;
- case STATE_PEERS_STARTING:
- switch (event->type)
- {
- case GNUNET_TESTBED_ET_OPERATION_FINISHED:
- /* Control reaches here when peer start fails */
- case GNUNET_TESTBED_ET_PEER_START:
- /* we handle peer starts in peer_churn_cb */
- break;
- default:
- GNUNET_assert (0);
- }
- break;
- case STATE_PEERS_LINKING:
- switch (event->type)
- {
- static unsigned int established_links;
- case GNUNET_TESTBED_ET_OPERATION_FINISHED:
- /* Control reaches here when a peer linking operation fails */
- if (NULL != event->details.operation_finished.emsg)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("An operation has failed while linking\n"));
- printf ("F");
- fflush (stdout);
- retry_links++;
- }
- /* We do no retries, consider this link as established */
- /* break; */
- case GNUNET_TESTBED_ET_CONNECT:
- {
- char output_buffer[512];
- size_t size;
-
- if (0 == established_links)
- printf ("Establishing links .");
- else
- {
- printf (".");
- fflush (stdout);
- }
- if (++established_links == num_links)
- {
- fflush (stdout);
- prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "%u links established in %s\n",
- num_links,
- GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
- result = GNUNET_OK;
- GNUNET_free (peer_handles);
-
- if (NULL != data_file)
- {
- size =
- GNUNET_snprintf (output_buffer,
- sizeof (output_buffer),
- "# of peers: %u\n# of links established: %u\n"
- "Time to establish links: %s\nLinking failures: %u\n"
- "path compression length: %u\n# of search strings: %u\n",
- num_peers,
- (established_links - cont_fails),
- GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
- cont_fails,
- max_path_compression,
- num_search_strings);
-
- if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
- }
-
- printf ("\nWaiting %s before starting to search.\n",
- GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_YES));
- fflush (stdout);
-
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Waiting %s before starting to search.\n",
- GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_NO));
-
- state = STATE_SEARCH_REGEX;
-
- search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
- &do_connect_by_string, NULL);
- }
- }
- break;
- default:
- GNUNET_assert (0);
- }
- break;
- case STATE_SEARCH_REGEX:
- {
- /* Handled in service connect callback */
- break;
- }
- default:
- switch (state)
- {
- case STATE_PEERS_CREATING:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to create peer\n");
- break;
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unexpected controller_cb with state %i!\n", state);
- }
- GNUNET_assert (0);
- }
-}
-
-
-/**
- * Task to register all hosts available in the global host list.
- *
- * @param cls NULL
- * @param tc the scheduler task context
- */
-static void
-register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
-
-
-/**
- * Callback which will be called to after a host registration succeeded or failed
- *
- * @param cls the closure
- * @param emsg the error message; NULL if host registration is successful
- */
-static void
-host_registration_completion (void *cls, const char *emsg)
-{
- reg_handle = NULL;
- if (NULL != emsg)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Host registration failed for a host. Error: %s\n"), emsg);
- if (GNUNET_SCHEDULER_NO_TASK != abort_task)
- GNUNET_SCHEDULER_cancel (abort_task);
- abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
- return;
- }
- register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
-}
-
-
-/**
- * Task to register all hosts available in the global host list.
- *
- * @param cls NULL
- * @param tc the scheduler task context
- */
-static void
-register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct DLLOperation *dll_op;
- static unsigned int reg_host;
- unsigned int slave;
-
- register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
- if (reg_host == num_hosts - 1)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "All hosts successfully registered\n");
- /* Start slaves */
- state = STATE_SLAVES_STARTING;
- for (slave = 1; slave < num_hosts; slave++)
- {
- dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
- dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
- mc,
- hosts[slave],
- hosts[0],
- cfg,
- GNUNET_YES);
- GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
- }
- return;
- }
- reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
- host_registration_completion,
- NULL);
-}
-
-
-/**
- * Callback to signal successfull startup of the controller process.
- *
- * @param cls the closure from GNUNET_TESTBED_controller_start()
- * @param config the configuration with which the controller has been started;
- * NULL if status is not GNUNET_OK
- * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
- * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
- */
-static void
-status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
-{
- if (GNUNET_SCHEDULER_NO_TASK != abort_task)
- GNUNET_SCHEDULER_cancel (abort_task);
- if (GNUNET_OK != status)
- {
- mc_proc = NULL;
- printf("CRAPPP\n");
- abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
- return;
- }
- event_mask = 0;
- event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
- event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
- event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
- event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
- event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
- mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
- &controller_event_cb, NULL);
- if (NULL == mc)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Unable to connect to master controller -- Check config\n"));
- abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
- return;
- }
- register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
- abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
- &do_abort, (void*) __LINE__);
-}
-
-
-/**
- * Load search strings from given filename. One search string per line.
- *
- * @param filename filename of the file containing the search strings.
- * @param strings set of strings loaded from file. Caller needs to free this
- * if number returned is greater than zero.
- * @param limit upper limit on the number of strings read from the file
- * @return number of strings found in the file. GNUNET_SYSERR on error.
- */
-static int
-load_search_strings (const char *filename, char ***strings, unsigned int limit)
-{
- char *data;
- char *buf;
- uint64_t filesize;
- unsigned int offset;
- int str_cnt;
- unsigned int i;
-
- if (NULL == filename)
- {
- return GNUNET_SYSERR;
- }
-
- if (GNUNET_YES != GNUNET_DISK_file_test (filename))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Could not find search strings file %s\n", filename);
- return GNUNET_SYSERR;
- }
- if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
- filesize = 0;
- if (0 == filesize)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
- return GNUNET_SYSERR;
- }
- data = GNUNET_malloc (filesize);
- if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
- {
- GNUNET_free (data);
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
- filename);
- return GNUNET_SYSERR;
- }
- buf = data;
- offset = 0;
- str_cnt = 0;
- while (offset < (filesize - 1) && str_cnt < limit)
- {
- offset++;
- if (((data[offset] == '\n')) && (buf != &data[offset]))
- {
- data[offset] = '\0';
- str_cnt++;
- buf = &data[offset + 1];
- }
- else if ((data[offset] == '\n') || (data[offset] == '\0'))
- buf = &data[offset + 1];
- }
- *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
- offset = 0;
- for (i = 0; i < str_cnt; i++)
- {
- GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
- offset += strlen (&data[offset]) + 1;
- }
- GNUNET_free (data);
- return str_cnt;
-}
-
-
-/**
- * Callbacks of this type are called by GNUNET_TESTBED_is_host_habitable to
- * inform whether the given host is habitable or not. The Handle returned by
- * GNUNET_TESTBED_is_host_habitable() is invalid after this callback is called
- *
- * @param cls NULL
- * @param host the host whose status is being reported; will be NULL if the host
- * given to GNUNET_TESTBED_is_host_habitable() is NULL
- * @param status GNUNET_YES if it is habitable; GNUNET_NO if not
- */
-static void
-host_habitable_cb (void *cls, const struct GNUNET_TESTBED_Host *host, int status)
-{
- struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handle = cls;
- static unsigned int hosts_checked;
-
- *hc_handle = NULL;
- if (GNUNET_NO == status)
- {
- if ((NULL != host) && (NULL != GNUNET_TESTBED_host_get_hostname (host)))
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Host %s cannot start testbed\n"),
- GNUNET_TESTBED_host_get_hostname (host));
- else
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Testbed cannot be started on localhost\n"));
- GNUNET_SCHEDULER_cancel (abort_task);
- abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
- return;
- }
- hosts_checked++;
- /* printf (_("\rChecked %u hosts"), hosts_checked); */
- /* fflush (stdout); */
- if (hosts_checked < num_hosts)
- return;
- /* printf (_("\nAll hosts can start testbed. Creating peers\n")); */
- GNUNET_free (hc_handles);
- hc_handles = NULL;
- mc_proc =
- GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
- (hosts[0]),
- hosts[0],
- cfg,
- status_cb,
- NULL);
-}
-
-
-/**
- * Main function that will be run by the scheduler.
- *
- * @param cls closure
- * @param args remaining command-line arguments
- * @param cfgfile name of the configuration file used (for saving, can be NULL!)
- * @param config configuration
- */
-static void
-run (void *cls, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *config)
-{
- unsigned int nhost;
- unsigned int nsearchstrs;
-
- if (NULL == args[0])
- {
- fprintf (stderr, _("No hosts-file specified on command line. Exiting.\n"));
- return;
- }
- if (NULL == args[1])
- {
- fprintf (stderr, _("No policy directory specified on command line. Exiting.\n"));
- return;
- }
- num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], &hosts);
- if (0 == num_hosts)
- {
- fprintf (stderr, _("No hosts loaded. Need at least one host\n"));
- return;
- }
- printf (_("Checking whether given hosts can start testbed. Please wait\n"));
- hc_handles = GNUNET_malloc (sizeof (struct
- GNUNET_TESTBED_HostHabitableCheckHandle *)
- * num_hosts);
- for (nhost = 0; nhost < num_hosts; nhost++)
- {
- if (NULL == (hc_handles[nhost] = GNUNET_TESTBED_is_host_habitable (hosts[nhost], config,
- &host_habitable_cb,
- &hc_handles[nhost])))
- {
- GNUNET_break (0);
- for (nhost = 0; nhost < num_hosts; nhost++)
- if (NULL != hc_handles[nhost])
- GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
- GNUNET_free (hc_handles);
- hc_handles = NULL;
- break;
- }
- }
- if (num_hosts != nhost)
- {
- fprintf (stderr, _("Exiting\n"));
- shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
- }
- if (NULL == config)
- {
- fprintf (stderr, _("No configuration file given. Exiting\n"));
- shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
- }
-
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_string (config, "REGEXPROFILER", "REGEX_PREFIX",
- ®ex_prefix))
- {
- fprintf (stderr, _("Configuration option (regex_prefix) missing. Exiting\n"));
- shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
- }
-
- if ( (NULL != data_filename) &&
- (NULL == (data_file =
- GNUNET_DISK_file_open (data_filename,
- GNUNET_DISK_OPEN_READWRITE |
- GNUNET_DISK_OPEN_TRUNCATE |
- GNUNET_DISK_OPEN_CREATE,
- GNUNET_DISK_PERM_USER_READ |
- GNUNET_DISK_PERM_USER_WRITE))) )
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
- "open",
- data_filename);
- if (GNUNET_YES != GNUNET_DISK_directory_test (args[1], GNUNET_YES))
- {
- fprintf (stderr, _("Specified policies directory does not exist. Exiting.\n"));
- shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
- }
- policy_dir = args[1];
- if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
- {
- fprintf (stderr, _("No search strings file given. Exiting.\n"));
- shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
- }
- nsearchstrs = load_search_strings (args[2], &search_strings, num_search_strings);
- if (num_search_strings != nsearchstrs)
- {
- num_search_strings = nsearchstrs;
- fprintf (stderr, _("Error loading search strings. Given file does not contain enough strings. Exiting.\n"));
- shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
- }
- if (0 >= num_search_strings || NULL == search_strings)
- {
- fprintf (stderr, _("Error loading search strings. Exiting.\n"));
- shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
- }
- unsigned int i;
- for (i = 0; i < num_search_strings; i++)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
- cfg = GNUNET_CONFIGURATION_dup (config);
- abort_task =
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
- (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
- (void*) __LINE__);
-}
-
-
-/**
- * Main function.
- *
- * @param argc argument count
- * @param argv argument values
- * @return 0 on success
- */
-int
-main (int argc, char *const *argv)
-{
- static const struct GNUNET_GETOPT_CommandLineOption options[] = {
- {'d', "details", "FILENAME",
- gettext_noop ("name of the file for writing statistics"),
- 1, &GNUNET_GETOPT_set_string, &data_filename},
- {'n', "num-links", "COUNT",
- gettext_noop ("create COUNT number of random links between peers"),
- GNUNET_YES, &GNUNET_GETOPT_set_uint, &linking_factor },
- {'t', "matching-timeout", "TIMEOUT",
- gettext_noop ("wait TIMEOUT before considering a string match as failed"),
- GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout },
- {'s', "search-delay", "DELAY",
- gettext_noop ("wait DELAY before starting string search"),
- GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
- {'a', "num-search-strings", "COUNT",
- gettext_noop ("number of search strings to read from search strings file"),
- GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_search_strings },
- {'p', "max-path-compression", "MAX_PATH_COMPRESSION",
- gettext_noop ("maximum path compression length"),
- 1, &GNUNET_GETOPT_set_uint, &max_path_compression},
- {'i', "no-distributed-search", "",
- gettext_noop ("if this option is set, only one peer is responsible for searching all strings"),
- 0, &GNUNET_GETOPT_set_one, &no_distributed_search},
- GNUNET_GETOPT_OPTION_END
- };
- int ret;
-
- if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
- return 2;
-
- result = GNUNET_SYSERR;
- ret =
- GNUNET_PROGRAM_run (argc, argv, "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
- _("Profiler for regex/mesh"),
- options, &run, NULL);
-
- if (GNUNET_OK != ret)
- return ret;
- if (GNUNET_OK != result)
- return 1;
- return 0;
-}
"Mesh for peer [%s] starting\n",
GNUNET_i2s(&my_full_id));
-// transport_handle = GNUNET_TRANSPORT_connect(c,
-// &my_full_id,
-// NULL,
-// NULL,
-// NULL,
-// NULL);
-
core_handle = GNUNET_CORE_connect (c, /* Main configuration */
NULL, /* Closure passed to MESH functions */
&core_init, /* Call core_init once connected */
noinst_PROGRAMS = $(noinst_mysql_progs) \
- perf-regex
+ perf-regex \
+ gnunet-regex-profiler \
+ gnunet-daemon-regexprofiler
perf_regex_SOURCES = \
perf-regex.c
libgnunetregex.la \
libgnunetregextest.la
+gnunet_regex_profiler_SOURCES = \
+ gnunet-regex-profiler.c
+gnunet_regex_profiler_LDADD = \
+ $(top_builddir)/src/util/libgnunetutil.la \
+ $(top_builddir)/src/testbed/libgnunettestbed.la \
+ $(top_builddir)/src/regex/libgnunetregex.la \
+ $(top_builddir)/src/statistics/libgnunetstatistics.la
+gnunet_regex_profiler_DEPENDENCIES = \
+ libgnunetregex.la
+
+gnunet_daemon_regexprofiler_SOURCES = \
+ gnunet-daemon-regexprofiler.c
+gnunet_daemon_regexprofiler_LDADD = \
+ $(top_builddir)/src/util/libgnunetutil.la \
+ $(top_builddir)/src/dht/libgnunetdht.la \
+ $(top_builddir)/src/regex/libgnunetregex.la \
+ $(top_builddir)/src/statistics/libgnunetstatistics.la
+gnunet_daemon_regexprofiler_DEPENDENCIES = \
+ $(top_builddir)/src/dht/libgnunetdht.la \
+ libgnunetregex.la
+
+
check_PROGRAMS = \
test_regex_eval_api \
--- /dev/null
+/*
+ This file is part of GNUnet.
+ (C) 2012,2013 Christian Grothoff
+
+ 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file mesh/gnunet-daemon-regexprofiler.c
+ * @brief daemon that uses mesh to announce a regular expression. Used in
+ * conjunction with gnunet-regex-profiler to announce regexes on serveral peers
+ * without the need to explicitly connect to the mesh service running on the
+ * peer from within the profiler.
+ * @author Maximilian Szengel
+ * @author Bartlomiej Polot
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_regex_lib.h"
+#include "gnunet_dht_service.h"
+#include "gnunet_statistics_service.h"
+
+/**
+ * Return value from 'main'.
+ */
+static int global_ret;
+
+/**
+ * Configuration we use.
+ */
+static const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * Handle to the statistics service.
+ */
+static struct GNUNET_STATISTICS_Handle *stats_handle;
+
+/**
+ * Peer's dht handle.
+ */
+static struct GNUNET_DHT_Handle *dht_handle;
+
+/**
+ * Peer's regex announce handle.
+ */
+static struct GNUNET_REGEX_announce_handle *announce_handle;
+
+/**
+ * Hostkey generation context
+ */
+static struct GNUNET_CRYPTO_RsaKeyGenerationContext *keygen;
+
+/**
+ * Periodically reannounce regex.
+ */
+static GNUNET_SCHEDULER_TaskIdentifier reannounce_task;
+
+/**
+ * How often reannounce regex.
+ */
+static struct GNUNET_TIME_Relative reannounce_freq;
+
+/**
+ * Local peer's PeerID.
+ */
+static struct GNUNET_PeerIdentity my_full_id;
+
+/**
+ * Maximal path compression length for regex announcing.
+ */
+static unsigned long long max_path_compression;
+
+/**
+ * Name of the file containing policies that this peer should announce. One
+ * policy per line.
+ */
+static char * policy_filename;
+
+/**
+ * Prefix to add before every regex we're announcing.
+ */
+static char * regex_prefix;
+
+/**
+ * Regex with prefix.
+ */
+static char *rx_with_pfx;
+
+
+/**
+ * Task run during shutdown.
+ *
+ * @param cls unused
+ * @param tc unused
+ */
+static void
+shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shutting down\n");
+
+ if (NULL != keygen)
+ {
+ GNUNET_CRYPTO_rsa_key_create_stop (keygen);
+ keygen = NULL;
+ }
+ if (NULL != announce_handle)
+ {
+ GNUNET_REGEX_announce_cancel (announce_handle);
+ announce_handle = NULL;
+ }
+
+ if (NULL != dht_handle)
+ {
+ GNUNET_DHT_disconnect (dht_handle);
+ dht_handle = NULL;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shut down\n");
+}
+
+
+/**
+ * Announce a previously announced regex re-using cached data.
+ *
+ * @param cls Clocuse (not used).
+ * @param tc TaskContext.
+ */
+static void
+reannounce_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ reannounce_task = GNUNET_SCHEDULER_NO_TASK;
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ return;
+ reannounce_task = GNUNET_SCHEDULER_add_delayed(reannounce_freq,
+ &reannounce_regex,
+ cls);
+}
+
+
+/**
+ * Announce the given regular expression using Mesh and the path compression
+ * length read from config.
+ *
+ * @param regex regular expression to announce on this peer's mesh.
+ */
+static void
+announce_regex (const char * regex)
+{
+ if (NULL == regex || 0 == strlen (regex))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot announce empty regex\n");
+ return;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Announcing regex: %s\n", regex);
+ GNUNET_STATISTICS_update (stats_handle, "# regexes announced", 1, GNUNET_NO);
+ announce_handle = GNUNET_REGEX_announce (dht_handle,
+ NULL,
+ regex,
+ (unsigned int) max_path_compression,
+ stats_handle);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == reannounce_task);
+ reannounce_task = GNUNET_SCHEDULER_add_delayed (reannounce_freq,
+ reannounce_regex,
+ NULL);
+}
+
+
+/**
+ * Load regular expressions from filename into 'rxes' array. Array needs to be freed.
+ *
+ * @param filename filename of the file containing the regexes, one per line.
+ * @param rx string with the union of all regular expressions.
+ *
+ * @return number of regular expressions read from filename and in rxes array.
+ * FIXME use load regex lib function
+ */
+static unsigned int
+load_regexes (const char *filename, char **rx)
+{
+ char *data;
+ char *buf;
+ uint64_t filesize;
+ unsigned int offset;
+ unsigned int rx_cnt;
+
+ if (GNUNET_YES != GNUNET_DISK_file_test (policy_filename))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not find policy file %s\n", policy_filename);
+ return 0;
+ }
+ if (GNUNET_OK != GNUNET_DISK_file_size (policy_filename, &filesize, GNUNET_YES, GNUNET_YES))
+ filesize = 0;
+ if (0 == filesize)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Policy file %s is empty.\n", policy_filename);
+ return 0;
+ }
+ data = GNUNET_malloc (filesize);
+ if (filesize != GNUNET_DISK_fn_read (policy_filename, data, filesize))
+ {
+ GNUNET_free (data);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not read policy file %s.\n",
+ policy_filename);
+ return 0;
+ }
+ buf = data;
+ offset = 0;
+ rx_cnt = 0;
+ while (offset < (filesize - 1))
+ {
+ offset++;
+ if ((data[offset] == '\n') && (buf != &data[offset]))
+ {
+ data[offset] = '|';
+ buf = &data[offset + 1];
+ rx_cnt++;
+ }
+ else if ((data[offset] == '\n') || (data[offset] == '\0'))
+ buf = &data[offset + 1];
+ }
+ data[offset] = '\0';
+ *rx = data;
+
+ return rx_cnt;
+}
+
+
+/**
+ * Callback for hostkey read/generation
+ *
+ * @param cls Closure (not used).
+ * @param pk The private key of the local peer.
+ * @param emsg Error message if applicable.
+ */
+static void
+key_generation_cb (void *cls,
+ struct GNUNET_CRYPTO_RsaPrivateKey *pk,
+ const char *emsg)
+{
+ struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded my_public_key;
+
+ keygen = NULL;
+ if (NULL == pk)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Regexprofiler could not access hostkey: %s. Exiting.\n"),
+ emsg);
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+
+ GNUNET_CRYPTO_rsa_key_get_public (pk, &my_public_key);
+ GNUNET_CRYPTO_hash (&my_public_key, sizeof (my_public_key),
+ &my_full_id.hashPubKey);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Regexprofiler for peer [%s] starting\n",
+ GNUNET_i2s(&my_full_id));
+ announce_regex (rx_with_pfx);
+ GNUNET_free (rx_with_pfx);
+}
+
+
+/**
+ * @brief Main function that will be run by the scheduler.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be NULL!)
+ * @param cfg_ configuration
+ */
+static void
+run (void *cls, char *const *args GNUNET_UNUSED,
+ const char *cfgfile GNUNET_UNUSED,
+ const struct GNUNET_CONFIGURATION_Handle *cfg_)
+{
+ char *regex = NULL;
+ char *keyfile;
+
+ cfg = cfg_;
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_filename (cfg, "GNUNETD", "HOSTKEY",
+ &keyfile))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _
+ ("%s service is lacking key configuration settings (%s). Exiting.\n"),
+ "regexprofiler", "hostkey");
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_number (cfg, "REGEXPROFILER", "MAX_PATH_COMPRESSION",
+ &max_path_compression))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _
+ ("%s service is lacking key configuration settings (%s). Exiting.\n"),
+ "regexprofiler", "max_path_compression");
+ global_ret = GNUNET_SYSERR;
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_filename (cfg, "REGEXPROFILER",
+ "POLICY_FILE", &policy_filename))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _
+ ("%s service is lacking key configuration settings (%s). Exiting.\n"),
+ "regexprofiler", "policy_file");
+ global_ret = GNUNET_SYSERR;
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg, "REGEXPROFILER",
+ "REGEX_PREFIX", ®ex_prefix))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _
+ ("%s service is lacking key configuration settings (%s). Exiting.\n"),
+ "regexprofiler", "regex_prefix");
+ global_ret = GNUNET_SYSERR;
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (cfg, "REGEXPROFILER",
+ "REANNOUNCE_FREQ", &reannounce_freq))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "reannounce_freq not given. Using 10 minutes.\n");
+ reannounce_freq =
+ GNUNET_TIME_relative_multiply(GNUNET_TIME_relative_get_minute_(), 10);
+
+ }
+
+ stats_handle = GNUNET_STATISTICS_create ("regexprofiler", cfg);
+
+ dht_handle = GNUNET_DHT_connect (cfg, 1);
+
+ if (NULL == dht_handle)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not acquire dht handle. Exiting.\n");
+ global_ret = GNUNET_SYSERR;
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+
+ /* Read regexes from policy files */
+ if (0 == load_regexes (policy_filename, ®ex))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Policy file %s contains no policies. Exiting.\n",
+ policy_filename);
+ global_ret = GNUNET_SYSERR;
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+
+ /* Announcing regexes from policy_filename */
+ GNUNET_asprintf (&rx_with_pfx, "%s(%s)", regex_prefix, regex);
+ GNUNET_free (regex);
+
+ keygen = GNUNET_CRYPTO_rsa_key_create_start (keyfile,
+ &key_generation_cb,
+ NULL);
+ GNUNET_free (keyfile);
+
+ /* Scheduled the task to clean up when shutdown is called */
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
+ NULL);
+}
+
+
+/**
+ * The main function of the regexprofiler service.
+ *
+ * @param argc number of arguments from the command line
+ * @param argv command line arguments
+ * @return 0 ok, 1 on error
+ */
+int
+main (int argc, char *const *argv)
+{
+ static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+ GNUNET_GETOPT_OPTION_END
+ };
+
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ return 2;
+ sleep (60);
+ return (GNUNET_OK ==
+ GNUNET_PROGRAM_run (argc, argv, "regexprofiler",
+ gettext_noop
+ ("Daemon to announce regular expressions for the peer using mesh."),
+ options, &run, NULL)) ? global_ret : 1;
+}
+
+
+#ifdef LINUX
+#include <malloc.h>
+
+/**
+ * MINIMIZE heap size (way below 128k) since this process doesn't need much.
+ */
+void __attribute__ ((constructor)) GNUNET_ARM_memory_init ()
+{
+ mallopt (M_TRIM_THRESHOLD, 4 * 1024);
+ mallopt (M_TOP_PAD, 1 * 1024);
+ malloc_trim (0);
+}
+#endif
+
+
+/* end of gnunet-daemon-regexprofiler.c */
--- /dev/null
+/**
+ This file is part of GNUnet.
+ (C) 2011, 2012 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file mesh/gnunet-regex-profiler.c
+ * @brief Regex profiler for testing distributed regex use.
+ * @author Bart Polot
+ * @author Max Szengel
+ *
+ */
+
+#include <string.h>
+
+#include "platform.h"
+#include "gnunet_applications.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_regex_lib.h"
+#include "gnunet_dht_service.h"
+// #include "gnunet_stream_lib.h"
+#include "gnunet_testbed_service.h"
+
+/**
+ * DLL of operations
+ */
+struct DLLOperation
+{
+ /**
+ * The testbed operation handle
+ */
+ struct GNUNET_TESTBED_Operation *op;
+
+ /**
+ * Closure
+ */
+ void *cls;
+
+ /**
+ * The next pointer for DLL
+ */
+ struct DLLOperation *next;
+
+ /**
+ * The prev pointer for DLL
+ */
+ struct DLLOperation *prev;
+};
+
+
+/**
+ * Available states during profiling
+ */
+enum State
+{
+ /**
+ * Initial state
+ */
+ STATE_INIT = 0,
+
+ /**
+ * Starting slaves
+ */
+ STATE_SLAVES_STARTING,
+
+ /**
+ * Creating peers
+ */
+ STATE_PEERS_CREATING,
+
+ /**
+ * Starting peers
+ */
+ STATE_PEERS_STARTING,
+
+ /**
+ * Linking peers
+ */
+ STATE_PEERS_LINKING,
+
+ /**
+ * Matching strings against announced regexes
+ */
+ STATE_SEARCH_REGEX,
+
+ /**
+ * Destroying peers; we can do this as the controller takes care of stopping a
+ * peer if it is running
+ */
+ STATE_PEERS_DESTROYING
+};
+
+
+/**
+ * Peer handles.
+ */
+struct RegexPeer
+{
+ /**
+ * Peer id.
+ */
+ unsigned int id;
+
+ /**
+ * Peer configuration handle.
+ */
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+
+ /**
+ * The actual testbed peer handle.
+ */
+ struct GNUNET_TESTBED_Peer *peer_handle;
+
+ /**
+ * Host on which the peer is running.
+ */
+ struct GNUNET_TESTBED_Host *host_handle;
+
+ /**
+ * Filename of the peer's policy file.
+ */
+ char *policy_file;
+
+ /**
+ * Peers search string.
+ */
+ const char *search_str;
+
+ /**
+ * Set to GNUNET_YES if the peer successfully matched the above
+ * search string. GNUNET_NO if the string could not be matched
+ * during the profiler run. GNUNET_SYSERR if the string matching
+ * timed out. Undefined if search_str is NULL
+ */
+ int search_str_matched;
+
+ /**
+ * Peer's dht handle.
+ */
+ struct GNUNET_DHT_Handle *dht_handle;
+
+ /**
+ * Handle to a running regex search.
+ */
+ struct GNUNET_REGEX_search_handle *search_handle;
+
+ /**
+ * Testbed operation handle for the dht service.
+ */
+ struct GNUNET_TESTBED_Operation *dht_op_handle;
+
+ /**
+ * Peers's statistics handle.
+ */
+ struct GNUNET_STATISTICS_Handle *stats_handle;
+
+ /**
+ * Testbed operation handle for the statistics service.
+ */
+ struct GNUNET_TESTBED_Operation *stats_op_handle;
+
+ /**
+ * The starting time of a profiling step.
+ */
+ struct GNUNET_TIME_Absolute prof_start_time;
+};
+
+
+/**
+ * An array of hosts loaded from the hostkeys file
+ */
+static struct GNUNET_TESTBED_Host **hosts;
+
+/**
+ * Array of peer handles used to pass to
+ * GNUNET_TESTBED_overlay_configure_topology
+ */
+static struct GNUNET_TESTBED_Peer **peer_handles;
+
+/**
+ * The array of peers; we fill this as the peers are given to us by the testbed
+ */
+static struct RegexPeer *peers;
+
+/**
+ * Host registration handle
+ */
+static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
+
+/**
+ * Handle to the master controller process
+ */
+static struct GNUNET_TESTBED_ControllerProc *mc_proc;
+
+/**
+ * Handle to the master controller
+ */
+static struct GNUNET_TESTBED_Controller *mc;
+
+/**
+ * Handle to global configuration
+ */
+static struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * Head of the operations list
+ */
+static struct DLLOperation *dll_op_head;
+
+/**
+ * Tail of the operations list
+ */
+static struct DLLOperation *dll_op_tail;
+
+/**
+ * Peer linking - topology operation
+ */
+static struct GNUNET_TESTBED_Operation *topology_op;
+
+/**
+ * The handle for whether a host is habitable or not
+ */
+struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handles;
+
+/**
+ * Abort task identifier
+ */
+static GNUNET_SCHEDULER_TaskIdentifier abort_task;
+
+/**
+ * Shutdown task identifier
+ */
+static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
+
+/**
+ * Host registration task identifier
+ */
+static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
+
+/**
+ * Global event mask for all testbed events
+ */
+static uint64_t event_mask;
+
+/**
+ * The starting time of a profiling step
+ */
+static struct GNUNET_TIME_Absolute prof_start_time;
+
+/**
+ * Duration profiling step has taken
+ */
+static struct GNUNET_TIME_Relative prof_time;
+
+/**
+ * Number of peers to be started by the profiler
+ */
+static unsigned int num_peers;
+
+/**
+ * Number of hosts in the hosts array
+ */
+static unsigned int num_hosts;
+
+/**
+ * Factor of number of links. num_links = num_peers * linking_factor.
+ */
+static unsigned int linking_factor;
+
+/**
+ * Number of random links to be established between peers
+ */
+static unsigned int num_links;
+
+/**
+ * Number of times we try overlay connect operations
+ */
+static unsigned int retry_links;
+
+/**
+ * Continuous failures during overlay connect operations
+ */
+static unsigned int cont_fails;
+
+/**
+ * Global testing status
+ */
+static int result;
+
+/**
+ * current state of profiling
+ */
+enum State state;
+
+/**
+ * Folder where policy files are stored.
+ */
+static char * policy_dir;
+
+/**
+ * Search strings.
+ */
+static char **search_strings;
+
+/**
+ * Number of search strings.
+ */
+static int num_search_strings;
+
+/**
+ * Number of peers found with search strings.
+ */
+static unsigned int peers_found;
+
+/**
+ * Search task identifier
+ */
+static GNUNET_SCHEDULER_TaskIdentifier search_task;
+
+/**
+ * Search timeout task identifier.
+ */
+static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
+
+/**
+ * Search timeout in seconds.
+ */
+static struct GNUNET_TIME_Relative search_timeout = { 60000 };
+
+/**
+ * How long do we wait before starting the search?
+ * Default: 1 m.
+ */
+static struct GNUNET_TIME_Relative search_delay = { 60000 };
+
+/**
+ * File to log statistics to.
+ */
+static struct GNUNET_DISK_FileHandle *data_file;
+
+/**
+ * Filename to log statistics to.
+ */
+static char *data_filename;
+
+/**
+ * Maximal path compression length.
+ */
+static unsigned int max_path_compression;
+
+/**
+ * If we should distribute the search evenly throught all peers (each
+ * peer searches for a string) or if only one peer should search for
+ * all strings.
+ */
+static int no_distributed_search;
+
+/**
+ * Prefix used for regex announcing. We need to prefix the search
+ * strings with it, in order to find something.
+ */
+static char * regex_prefix;
+
+
+/******************************************************************************/
+/****************************** DECLARATIONS ********************************/
+/******************************************************************************/
+
+
+/**
+ * Search callback function.
+ *
+ * @param cls Closure provided in GNUNET_REGEX_search.
+ * @param id Peer providing a regex that matches the string.
+ * @param get_path Path of the get request.
+ * @param get_path_length Lenght of get_path.
+ * @param put_path Path of the put request.
+ * @param put_path_length Length of the put_path.
+ */
+static void
+mesh_peer_connect_handler (void *cls,
+ const struct GNUNET_PeerIdentity *id,
+ const struct GNUNET_PeerIdentity *get_path,
+ unsigned int get_path_length,
+ const struct GNUNET_PeerIdentity *put_path,
+ unsigned int put_path_length);
+
+
+/**
+ * Mesh connect callback.
+ *
+ * @param cls internal peer id.
+ * @param op operation handle.
+ * @param ca_result connect adapter result.
+ * @param emsg error message.
+ */
+static void
+dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
+ void *ca_result, const char *emsg);
+
+/**
+ * DHT connect adapter.
+ *
+ * @param cls not used.
+ * @param cfg configuration handle.
+ *
+ * @return
+ */
+static void *
+dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg);
+
+
+/**
+ * Adapter function called to destroy a connection to
+ * the DHT service
+ *
+ * @param cls closure
+ * @param op_result service handle returned from the connect adapter
+ */
+static void
+dht_da (void *cls, void *op_result);
+
+
+/**
+ * Function called by testbed once we are connected to stats
+ * service. Get the statistics for the services of interest.
+ *
+ * @param cls the 'struct RegexPeer' for which we connected to stats
+ * @param op connect operation handle
+ * @param ca_result handle to stats service
+ * @param emsg error message on failure
+ */
+static void
+stats_connect_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ void *ca_result,
+ const char *emsg);
+
+
+/**
+ * Task to collect all statistics from all peers, will shutdown the
+ * profiler, when done.
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+
+/******************************************************************************/
+/******************************** SHUTDOWN **********************************/
+/******************************************************************************/
+
+
+/**
+ * Shutdown nicely
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct DLLOperation *dll_op;
+ struct RegexPeer *peer;
+ unsigned int nhost;
+ unsigned int peer_cnt;
+ unsigned int search_str_cnt;
+ char output_buffer[512];
+ size_t size;
+
+ shutdown_task = GNUNET_SCHEDULER_NO_TASK;
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ if (NULL != hc_handles)
+ {
+ for (nhost = 0; nhost < num_hosts; nhost++)
+ if (NULL != hc_handles[nhost])
+ GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
+ GNUNET_free (hc_handles);
+ hc_handles = NULL;
+ }
+ if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
+ GNUNET_SCHEDULER_cancel (register_hosts_task);
+
+ for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
+ {
+ peer = &peers[peer_cnt];
+
+ if (GNUNET_YES != peer->search_str_matched && NULL != data_file)
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
+ size =
+ GNUNET_snprintf (output_buffer,
+ sizeof (output_buffer),
+ "%p Search string not found: %s (%d)\n%p On peer: %u (%p)\n%p With policy file: %s\n%p After: %s\n",
+ peer,
+ peer->search_str,
+ peer->search_str_matched,
+ peer,
+ peer->id,
+ peer,
+ peer,
+ peer->policy_file,
+ peer,
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
+ if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
+ }
+
+ if (NULL != peers[peer_cnt].dht_op_handle)
+ GNUNET_TESTBED_operation_done (peers[peer_cnt].dht_op_handle);
+ if (NULL != peers[peer_cnt].stats_op_handle)
+ GNUNET_TESTBED_operation_done (peers[peer_cnt].stats_op_handle);
+ }
+
+ if (NULL != data_file)
+ GNUNET_DISK_file_close (data_file);
+
+ for (search_str_cnt = 0;
+ search_str_cnt < num_search_strings && NULL != search_strings;
+ search_str_cnt++)
+ {
+ GNUNET_free_non_null (search_strings[search_str_cnt]);
+ }
+ GNUNET_free_non_null (search_strings);
+
+ if (NULL != reg_handle)
+ GNUNET_TESTBED_cancel_registration (reg_handle);
+ if (NULL != topology_op)
+ GNUNET_TESTBED_operation_done (topology_op);
+ for (nhost = 0; nhost < num_hosts; nhost++)
+ if (NULL != hosts[nhost])
+ GNUNET_TESTBED_host_destroy (hosts[nhost]);
+ GNUNET_free_non_null (hosts);
+
+ while (NULL != (dll_op = dll_op_head))
+ {
+ GNUNET_TESTBED_operation_done (dll_op->op);
+ GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
+ GNUNET_free (dll_op);
+ }
+ if (NULL != mc)
+ GNUNET_TESTBED_controller_disconnect (mc);
+ if (NULL != mc_proc)
+ GNUNET_TESTBED_controller_stop (mc_proc);
+ if (NULL != cfg)
+ GNUNET_CONFIGURATION_destroy (cfg);
+
+ GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
+}
+
+
+/**
+ * abort task to run on test timed out
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ unsigned long i = (unsigned long) cls;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting %lu...\n", i);
+ abort_task = GNUNET_SCHEDULER_NO_TASK;
+ result = GNUNET_SYSERR;
+ if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
+ GNUNET_SCHEDULER_cancel (shutdown_task);
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+}
+
+
+/******************************************************************************/
+/********************* STATISTICS SERVICE CONNECTIONS ***********************/
+/******************************************************************************/
+
+/**
+ * Adapter function called to establish a connection to
+ * statistics service.
+ *
+ * @param cls closure
+ * @param cfg configuration of the peer to connect to; will be available until
+ * GNUNET_TESTBED_operation_done() is called on the operation returned
+ * from GNUNET_TESTBED_service_connect()
+ * @return service handle to return in 'op_result', NULL on error
+ */
+static void *
+stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ return GNUNET_STATISTICS_create ("<driver>", cfg);
+}
+
+
+/**
+ * Adapter function called to destroy a connection to
+ * statistics service.
+ *
+ * @param cls closure
+ * @param op_result service handle returned from the connect adapter
+ */
+static void
+stats_da (void *cls, void *op_result)
+{
+ struct RegexPeer *peer = cls;
+
+ GNUNET_assert (op_result == peer->stats_handle);
+
+ GNUNET_STATISTICS_destroy (peer->stats_handle, GNUNET_NO);
+ peer->stats_handle = NULL;
+}
+
+
+/**
+ * Process statistic values. Write all values to global 'data_file', if present.
+ *
+ * @param cls closure
+ * @param subsystem name of subsystem that created the statistic
+ * @param name the name of the datum
+ * @param value the current value
+ * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
+ * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
+ */
+static int
+stats_iterator (void *cls, const char *subsystem, const char *name,
+ uint64_t value, int is_persistent)
+{
+ struct RegexPeer *peer = cls;
+ char output_buffer[512];
+ size_t size;
+
+ if (NULL == data_file)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "%p -> %s [%s]: %llu\n",
+ peer, subsystem, name, value);
+ return GNUNET_OK;
+ }
+ size =
+ GNUNET_snprintf (output_buffer,
+ sizeof (output_buffer),
+ "%p [%s] %llu %s\n",
+ peer,
+ subsystem, value, name);
+ if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
+
+ return GNUNET_OK;
+}
+
+
+/**
+ * Stats callback. Finish the stats testbed operation and when all stats have
+ * been iterated, shutdown the profiler.
+ *
+ * @param cls closure
+ * @param success GNUNET_OK if statistics were
+ * successfully obtained, GNUNET_SYSERR if not.
+ */
+static void
+stats_cb (void *cls,
+ int success)
+{
+ static unsigned int peer_cnt;
+ struct RegexPeer *peer = cls;
+
+ if (GNUNET_OK != success)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Getting statistics for peer %u failed!\n",
+ peer->id);
+ return;
+ }
+
+ GNUNET_assert (NULL != peer->stats_op_handle);
+
+ GNUNET_TESTBED_operation_done (peer->stats_op_handle);
+ peer->stats_op_handle = NULL;
+
+ peer_cnt++;
+ peer = &peers[peer_cnt];
+
+ if (peer_cnt == num_peers)
+ {
+ struct GNUNET_TIME_Relative delay = { 100 };
+ shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
+ }
+ else
+ {
+ peer->stats_op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peer->peer_handle,
+ "statistics",
+ &stats_connect_cb,
+ peer,
+ &stats_ca,
+ &stats_da,
+ peer);
+ }
+}
+
+
+/**
+ * Function called by testbed once we are connected to stats
+ * service. Get the statistics for the services of interest.
+ *
+ * @param cls the 'struct RegexPeer' for which we connected to stats
+ * @param op connect operation handle
+ * @param ca_result handle to stats service
+ * @param emsg error message on failure
+ */
+static void
+stats_connect_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ void *ca_result,
+ const char *emsg)
+{
+ struct RegexPeer *peer = cls;
+
+ if (NULL == ca_result || NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to connect to statistics service on peer %u: %s\n",
+ peer->id, emsg);
+
+ peer->stats_handle = NULL;
+ return;
+ }
+
+ peer->stats_handle = ca_result;
+
+ if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &stats_cb,
+ &stats_iterator, peer))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not get statistics of peer %u!\n", peer->id);
+ }
+}
+
+
+/**
+ * Task to collect all statistics from all peers, will shutdown the
+ * profiler, when done.
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct RegexPeer *peer = &peers[0];
+
+ GNUNET_assert (NULL != peer->peer_handle);
+
+ peer->stats_op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peer->peer_handle,
+ "statistics",
+ &stats_connect_cb,
+ peer,
+ &stats_ca,
+ &stats_da,
+ peer);
+}
+
+
+/******************************************************************************/
+/************************ MESH SERVICE CONNECTIONS **************************/
+/******************************************************************************/
+
+/**
+ * Method called when we've found a peer that announced a regex
+ * that matches our search string. Now get the statistics.
+ *
+ * @param cls Closure provided in GNUNET_REGEX_search.
+ * @param id Peer providing a regex that matches the string.
+ * @param get_path Path of the get request.
+ * @param get_path_length Lenght of get_path.
+ * @param put_path Path of the put request.
+ * @param put_path_length Length of the put_path.
+ */
+static void
+mesh_peer_connect_handler (void *cls,
+ const struct GNUNET_PeerIdentity *id,
+ const struct GNUNET_PeerIdentity *get_path,
+ unsigned int get_path_length,
+ const struct GNUNET_PeerIdentity *put_path,
+ unsigned int put_path_length)
+{
+ struct RegexPeer *peer = cls;
+ char output_buffer[512];
+ size_t size;
+
+ if (GNUNET_YES == peer->search_str_matched)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "String %s on peer %u already matched!\n",
+ peer->search_str, peer->id);
+ return;
+ }
+
+ peers_found++;
+
+ if (NULL == id)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "String matching timed out for string %s on peer %u (%i/%i)\n",
+ peer->search_str, peer->id, peers_found, num_search_strings);
+
+ printf ("String matching timed out for string %s on peer %u (%i/%i)\n",
+ peer->search_str, peer->id, peers_found, num_search_strings);
+
+ peer->search_str_matched = GNUNET_SYSERR;
+ }
+ else
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "String %s successfully matched on peer %u after %s (%i/%i)\n",
+ peer->search_str, peer->id, GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
+ peers_found, num_search_strings);
+
+ printf ("String %s successfully matched on peer %u after %s (%i/%i)\n",
+ peer->search_str, peer->id, GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
+ peers_found, num_search_strings);
+ fflush (stdout);
+
+ peer->search_str_matched = GNUNET_YES;
+
+ if (NULL != data_file)
+ {
+ size =
+ GNUNET_snprintf (output_buffer,
+ sizeof (output_buffer),
+ "%p Peer: %u\n%p Host: %s\n%p Policy file: %s\n%p Search string: %s\n%p Search duration: %s\n\n",
+ peer,
+ peer->id,
+ peer,
+ GNUNET_TESTBED_host_get_hostname (peer->host_handle),
+ peer,
+ peer->policy_file,
+ peer,
+ peer->search_str,
+ peer,
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
+
+ if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
+ }
+ }
+
+ GNUNET_TESTBED_operation_done (peer->dht_op_handle);
+ peer->dht_op_handle = NULL;
+
+ if (peers_found == num_search_strings)
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "All strings successfully matched in %s\n",
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
+ printf ("All strings successfully matched.\n");
+ fflush (stdout);
+
+ if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
+ GNUNET_SCHEDULER_cancel (search_timeout_task);
+
+ printf ("Collecting stats and shutting down.\n");
+ GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
+ }
+}
+
+
+/**
+ * Connect by string timeout task. This will cancel the profiler after the
+ * specified timeout 'search_timeout'.
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_connect_by_string_timeout (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Finding matches to all strings did not succeed after %s.\n",
+ GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Found %i of %i strings\n", peers_found, num_search_strings);
+
+ printf ("Search timed out after %s. Collecting stats and shutting down.\n",
+ GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
+ fflush (stdout);
+
+ GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
+}
+
+
+/**
+ * Connect by string task that is run to search for a string in the
+ * NFA. It first connects to the mesh service and when a connection is
+ * established it starts to search for the string.
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_connect_by_string (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+ printf ("Starting string search.\n");
+ fflush (stdout);
+
+ peers[0].search_str = search_strings[0];
+ peers[0].search_str_matched = GNUNET_NO;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Searching for string \"%s\" on peer %d with file %s\n",
+ peers[0].search_str, 0, peers[0].policy_file);
+
+ /* First connect to mesh service, then search for string. Next
+ connect will be in mesh_connect_cb */
+ peers[0].dht_op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peers[0].peer_handle,
+ "dht",
+ &dht_connect_cb,
+ &peers[0],
+ &dht_ca,
+ &dht_da,
+ &peers[0]);
+
+ search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout,
+ &do_connect_by_string_timeout, NULL);
+}
+
+
+/**
+ * DHT connect callback. Called when we are connected to the dht service for
+ * the peer in 'cls'. If successfull we connect to the stats service of this
+ * peer and then try to match the search string of this peer.
+ *
+ * @param cls internal peer id.
+ * @param op operation handle.
+ * @param ca_result connect adapter result.
+ * @param emsg error message.
+ */
+static void
+dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
+ void *ca_result, const char *emsg)
+{
+ struct RegexPeer *peer = (struct RegexPeer *) cls;
+ static unsigned int peer_cnt;
+ unsigned int next_p;
+
+ if (NULL != emsg || NULL == op || NULL == ca_result)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "DHT connect failed: %s\n", emsg);
+ GNUNET_abort ();
+ }
+
+ GNUNET_assert (NULL != peer->dht_handle);
+ GNUNET_assert (peer->dht_op_handle == op);
+ GNUNET_assert (peer->dht_handle == ca_result);
+
+ peer->search_str_matched = GNUNET_NO;
+ peer->search_handle =
+ GNUNET_REGEX_search (peer->dht_handle, peer->search_str,
+ &mesh_peer_connect_handler, NULL,
+ NULL);
+ peer->prof_start_time = GNUNET_TIME_absolute_get ();
+
+ if (peer_cnt < (num_search_strings - 1))
+ {
+ if (GNUNET_YES == no_distributed_search)
+ next_p = 0;
+ else
+ next_p = (++peer_cnt % num_peers);
+
+ peers[next_p].search_str = search_strings[next_p];
+ peers[next_p].search_str_matched = GNUNET_NO;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Searching for string \"%s\" on peer %d with file %s\n",
+ peers[next_p].search_str, next_p, peers[next_p].policy_file);
+
+ peers[next_p].dht_op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peers[next_p].peer_handle,
+ "dht",
+ &dht_connect_cb,
+ &peers[next_p],
+ &dht_ca,
+ &dht_da,
+ &peers[next_p]);
+ }
+}
+
+
+/**
+ * DHT connect adapter. Opens a connection to the dht service.
+ *
+ * @param cls Closure (peer).
+ * @param cfg Configuration handle.
+ *
+ * @return
+ */
+static void *
+dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ struct RegexPeer *peer = cls;
+
+ peer->dht_handle = GNUNET_DHT_connect (cfg, 32);
+
+ return peer->dht_handle;
+}
+
+
+/**
+ * Adapter function called to destroy a connection to the dht service.
+ *
+ * @param cls Closure (peer).
+ * @param op_result Service handle returned from the connect adapter.
+ */
+static void
+dht_da (void *cls, void *op_result)
+{
+ struct RegexPeer *peer = (struct RegexPeer *) cls;
+
+ GNUNET_assert (peer->dht_handle == op_result);
+
+ if (NULL != peer->search_handle)
+ {
+ GNUNET_REGEX_search_cancel (peer->search_handle);
+ peer->search_handle = NULL;
+ }
+
+ if (NULL != peer->dht_handle)
+ {
+ GNUNET_DHT_disconnect (peer->dht_handle);
+ peer->dht_handle = NULL;
+ }
+}
+
+
+/******************************************************************************/
+/*************************** TESTBED PEER SETUP *****************************/
+/******************************************************************************/
+
+
+/**
+ * Configure the peer overlay topology.
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_configure_topology (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+ /*
+ if (0 == linking_factor)
+ linking_factor = 1;
+ num_links = linking_factor * num_peers;
+ */
+ /* num_links = num_peers - 1; */
+ num_links = linking_factor;
+
+ /* Do overlay connect */
+ prof_start_time = GNUNET_TIME_absolute_get ();
+ topology_op =
+ GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
+ NULL,
+ GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
+ num_links,
+ GNUNET_TESTBED_TOPOLOGY_DISABLE_AUTO_RETRY,
+ GNUNET_TESTBED_TOPOLOGY_OPTION_END);
+ if (NULL == topology_op)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Cannot create topology, op handle was NULL\n");
+ GNUNET_assert (0);
+ }
+}
+
+
+/**
+ * Functions of this signature are called when a peer has been successfully
+ * started or stopped.
+ *
+ * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
+ * @param emsg NULL on success; otherwise an error description
+ */
+static void
+peer_churn_cb (void *cls, const char *emsg)
+{
+ struct DLLOperation *dll_op = cls;
+ struct GNUNET_TESTBED_Operation *op;
+ static unsigned int started_peers;
+ unsigned int peer_cnt;
+
+ op = dll_op->op;
+ GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
+ GNUNET_free (dll_op);
+ if (NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("An operation has failed while starting peers\n"));
+ GNUNET_TESTBED_operation_done (op);
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ GNUNET_TESTBED_operation_done (op);
+ if (++started_peers == num_peers)
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "All peers started successfully in %s\n",
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
+ result = GNUNET_OK;
+
+ peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
+ for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
+ peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
+
+ state = STATE_PEERS_LINKING;
+ GNUNET_SCHEDULER_add_now (&do_configure_topology, NULL);
+ }
+}
+
+
+/**
+ * Functions of this signature are called when a peer has been successfully
+ * created
+ *
+ * @param cls the closure from GNUNET_TESTBED_peer_create()
+ * @param peer the handle for the created peer; NULL on any error during
+ * creation
+ * @param emsg NULL if peer is not NULL; else MAY contain the error description
+ */
+static void
+peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
+{
+ struct DLLOperation *dll_op = cls;
+ struct RegexPeer *peer_ptr;
+ static unsigned int created_peers;
+ unsigned int peer_cnt;
+
+ if (NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Creating a peer failed. Error: %s\n"), emsg);
+ GNUNET_TESTBED_operation_done (dll_op->op);
+ GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
+ GNUNET_free (dll_op);
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+
+ peer_ptr = dll_op->cls;
+ GNUNET_assert (NULL == peer_ptr->peer_handle);
+ GNUNET_CONFIGURATION_destroy (peer_ptr->cfg);
+ peer_ptr->cfg = NULL;
+ peer_ptr->peer_handle = peer;
+ GNUNET_TESTBED_operation_done (dll_op->op);
+ GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
+ GNUNET_free (dll_op);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
+ peer_ptr->id,
+ GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
+
+ if (++created_peers == num_peers)
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "All peers created successfully in %s\n",
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
+ /* Now peers are to be started */
+ state = STATE_PEERS_STARTING;
+ prof_start_time = GNUNET_TIME_absolute_get ();
+ for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
+ {
+ dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
+ dll_op->op = GNUNET_TESTBED_peer_start (dll_op, peers[peer_cnt].peer_handle,
+ &peer_churn_cb, dll_op);
+ GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
+ }
+ }
+}
+
+
+/**
+ * Function called with a filename for each file in the policy directory. Create
+ * a peer for each filename and update the peer's configuration to include the
+ * max_path_compression specified as a command line argument as well as the
+ * policy_file for this peer. The gnunet-service-regexprofiler service is
+ * automatically started on this peer. The service reads the configurration and
+ * announces the regexes stored in the policy file 'filename'.
+ *
+ * @param cls closure
+ * @param filename complete filename (absolute path)
+ * @return GNUNET_OK to continue to iterate,
+ * GNUNET_SYSERR to abort iteration with error!
+ */
+static int
+policy_filename_cb (void *cls, const char *filename)
+{
+ static unsigned int peer_cnt;
+ struct DLLOperation *dll_op;
+ struct RegexPeer *peer = &peers[peer_cnt];
+
+ GNUNET_assert (NULL != peer);
+
+ peer->policy_file = GNUNET_strdup (filename);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Creating peer %i on host %s for policy file %s\n",
+ peer->id,
+ GNUNET_TESTBED_host_get_hostname (peer->host_handle),
+ filename);
+
+ /* Set configuration options specific for this peer
+ (max_path_compression and policy_file */
+ peer->cfg = GNUNET_CONFIGURATION_dup (cfg);
+ GNUNET_CONFIGURATION_set_value_number (peer->cfg, "REGEXPROFILER",
+ "MAX_PATH_COMPRESSION",
+ (unsigned long long)max_path_compression);
+ GNUNET_CONFIGURATION_set_value_string (peer->cfg, "REGEXPROFILER",
+ "POLICY_FILE", filename);
+
+ dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
+ dll_op->cls = &peers[peer_cnt];
+ dll_op->op = GNUNET_TESTBED_peer_create (mc,
+ peer->host_handle,
+ peer->cfg,
+ &peer_create_cb,
+ dll_op);
+ GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
+
+ peer_cnt++;
+
+ return GNUNET_OK;
+}
+
+
+/**
+ * Controller event callback.
+ *
+ * @param cls NULL
+ * @param event the controller event
+ */
+static void
+controller_event_cb (void *cls,
+ const struct GNUNET_TESTBED_EventInformation *event)
+{
+ struct DLLOperation *dll_op;
+ struct GNUNET_TESTBED_Operation *op;
+ int ret;
+
+ switch (state)
+ {
+ case STATE_SLAVES_STARTING:
+ switch (event->type)
+ {
+ case GNUNET_TESTBED_ET_OPERATION_FINISHED:
+ {
+ static unsigned int slaves_started;
+ unsigned int peer_cnt;
+
+ dll_op = event->details.operation_finished.op_cls;
+ GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
+ GNUNET_free (dll_op);
+ op = event->details.operation_finished.operation;
+ if (NULL != event->details.operation_finished.emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("An operation has failed while starting slaves\n"));
+ GNUNET_TESTBED_operation_done (op);
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ GNUNET_TESTBED_operation_done (op);
+ /* Proceed to start peers */
+ if (++slaves_started == num_hosts - 1)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "All slaves started successfully\n");
+
+ state = STATE_PEERS_CREATING;
+ prof_start_time = GNUNET_TIME_absolute_get ();
+
+ if (-1 == (ret = GNUNET_DISK_directory_scan (policy_dir,
+ NULL,
+ NULL)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No files found in `%s'\n"),
+ policy_dir);
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ num_peers = (unsigned int) ret;
+ peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
+
+ /* Initialize peers */
+ for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
+ {
+ struct RegexPeer *peer = &peers[peer_cnt];
+ peer->id = peer_cnt;
+ peer->policy_file = NULL;
+ /* Do not start peers on hosts[0] (master controller) */
+ peer->host_handle = hosts[1 + (peer_cnt % (num_hosts -1))];
+ peer->dht_handle = NULL;
+ peer->search_handle = NULL;
+ peer->stats_handle = NULL;
+ peer->stats_op_handle = NULL;
+ peer->search_str = NULL;
+ peer->search_str_matched = GNUNET_NO;
+ }
+
+ GNUNET_DISK_directory_scan (policy_dir,
+ &policy_filename_cb,
+ NULL);
+ }
+ }
+ break;
+ default:
+ GNUNET_assert (0);
+ }
+ break;
+ case STATE_PEERS_STARTING:
+ switch (event->type)
+ {
+ case GNUNET_TESTBED_ET_OPERATION_FINISHED:
+ /* Control reaches here when peer start fails */
+ case GNUNET_TESTBED_ET_PEER_START:
+ /* we handle peer starts in peer_churn_cb */
+ break;
+ default:
+ GNUNET_assert (0);
+ }
+ break;
+ case STATE_PEERS_LINKING:
+ switch (event->type)
+ {
+ static unsigned int established_links;
+ case GNUNET_TESTBED_ET_OPERATION_FINISHED:
+ /* Control reaches here when a peer linking operation fails */
+ if (NULL != event->details.operation_finished.emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("An operation has failed while linking\n"));
+ printf ("F");
+ fflush (stdout);
+ retry_links++;
+ }
+ /* We do no retries, consider this link as established */
+ /* break; */
+ case GNUNET_TESTBED_ET_CONNECT:
+ {
+ char output_buffer[512];
+ size_t size;
+
+ if (0 == established_links)
+ printf ("Establishing links .");
+ else
+ {
+ printf (".");
+ fflush (stdout);
+ }
+ if (++established_links == num_links)
+ {
+ fflush (stdout);
+ prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "%u links established in %s\n",
+ num_links,
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
+ result = GNUNET_OK;
+ GNUNET_free (peer_handles);
+
+ if (NULL != data_file)
+ {
+ size =
+ GNUNET_snprintf (output_buffer,
+ sizeof (output_buffer),
+ "# of peers: %u\n# of links established: %u\n"
+ "Time to establish links: %s\nLinking failures: %u\n"
+ "path compression length: %u\n# of search strings: %u\n",
+ num_peers,
+ (established_links - cont_fails),
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
+ cont_fails,
+ max_path_compression,
+ num_search_strings);
+
+ if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
+ }
+
+ printf ("\nWaiting %s before starting to search.\n",
+ GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_YES));
+ fflush (stdout);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Waiting %s before starting to search.\n",
+ GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_NO));
+
+ state = STATE_SEARCH_REGEX;
+
+ search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
+ &do_connect_by_string, NULL);
+ }
+ }
+ break;
+ default:
+ GNUNET_assert (0);
+ }
+ break;
+ case STATE_SEARCH_REGEX:
+ {
+ /* Handled in service connect callback */
+ break;
+ }
+ default:
+ switch (state)
+ {
+ case STATE_PEERS_CREATING:
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to create peer\n");
+ break;
+ default:
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected controller_cb with state %i!\n", state);
+ }
+ GNUNET_assert (0);
+ }
+}
+
+
+/**
+ * Task to register all hosts available in the global host list.
+ *
+ * @param cls NULL
+ * @param tc the scheduler task context
+ */
+static void
+register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+
+/**
+ * Callback which will be called to after a host registration succeeded or failed
+ *
+ * @param cls the closure
+ * @param emsg the error message; NULL if host registration is successful
+ */
+static void
+host_registration_completion (void *cls, const char *emsg)
+{
+ reg_handle = NULL;
+ if (NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Host registration failed for a host. Error: %s\n"), emsg);
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
+}
+
+
+/**
+ * Task to register all hosts available in the global host list.
+ *
+ * @param cls NULL
+ * @param tc the scheduler task context
+ */
+static void
+register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct DLLOperation *dll_op;
+ static unsigned int reg_host;
+ unsigned int slave;
+
+ register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
+ if (reg_host == num_hosts - 1)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "All hosts successfully registered\n");
+ /* Start slaves */
+ state = STATE_SLAVES_STARTING;
+ for (slave = 1; slave < num_hosts; slave++)
+ {
+ dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
+ dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
+ mc,
+ hosts[slave],
+ hosts[0],
+ cfg,
+ GNUNET_YES);
+ GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
+ }
+ return;
+ }
+ reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
+ host_registration_completion,
+ NULL);
+}
+
+
+/**
+ * Callback to signal successfull startup of the controller process.
+ *
+ * @param cls the closure from GNUNET_TESTBED_controller_start()
+ * @param config the configuration with which the controller has been started;
+ * NULL if status is not GNUNET_OK
+ * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
+ * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
+ */
+static void
+status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
+{
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ if (GNUNET_OK != status)
+ {
+ mc_proc = NULL;
+ printf("CRAPPP\n");
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ event_mask = 0;
+ event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
+ event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
+ event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
+ event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
+ event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
+ mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
+ &controller_event_cb, NULL);
+ if (NULL == mc)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Unable to connect to master controller -- Check config\n"));
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
+ abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+ &do_abort, (void*) __LINE__);
+}
+
+
+/**
+ * Load search strings from given filename. One search string per line.
+ *
+ * @param filename filename of the file containing the search strings.
+ * @param strings set of strings loaded from file. Caller needs to free this
+ * if number returned is greater than zero.
+ * @param limit upper limit on the number of strings read from the file
+ * @return number of strings found in the file. GNUNET_SYSERR on error.
+ */
+static int
+load_search_strings (const char *filename, char ***strings, unsigned int limit)
+{
+ char *data;
+ char *buf;
+ uint64_t filesize;
+ unsigned int offset;
+ int str_cnt;
+ unsigned int i;
+
+ if (NULL == filename)
+ {
+ return GNUNET_SYSERR;
+ }
+
+ if (GNUNET_YES != GNUNET_DISK_file_test (filename))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Could not find search strings file %s\n", filename);
+ return GNUNET_SYSERR;
+ }
+ if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
+ filesize = 0;
+ if (0 == filesize)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
+ return GNUNET_SYSERR;
+ }
+ data = GNUNET_malloc (filesize);
+ if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
+ {
+ GNUNET_free (data);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
+ filename);
+ return GNUNET_SYSERR;
+ }
+ buf = data;
+ offset = 0;
+ str_cnt = 0;
+ while (offset < (filesize - 1) && str_cnt < limit)
+ {
+ offset++;
+ if (((data[offset] == '\n')) && (buf != &data[offset]))
+ {
+ data[offset] = '\0';
+ str_cnt++;
+ buf = &data[offset + 1];
+ }
+ else if ((data[offset] == '\n') || (data[offset] == '\0'))
+ buf = &data[offset + 1];
+ }
+ *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
+ offset = 0;
+ for (i = 0; i < str_cnt; i++)
+ {
+ GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
+ offset += strlen (&data[offset]) + 1;
+ }
+ GNUNET_free (data);
+ return str_cnt;
+}
+
+
+/**
+ * Callbacks of this type are called by GNUNET_TESTBED_is_host_habitable to
+ * inform whether the given host is habitable or not. The Handle returned by
+ * GNUNET_TESTBED_is_host_habitable() is invalid after this callback is called
+ *
+ * @param cls NULL
+ * @param host the host whose status is being reported; will be NULL if the host
+ * given to GNUNET_TESTBED_is_host_habitable() is NULL
+ * @param status GNUNET_YES if it is habitable; GNUNET_NO if not
+ */
+static void
+host_habitable_cb (void *cls, const struct GNUNET_TESTBED_Host *host, int status)
+{
+ struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handle = cls;
+ static unsigned int hosts_checked;
+
+ *hc_handle = NULL;
+ if (GNUNET_NO == status)
+ {
+ if ((NULL != host) && (NULL != GNUNET_TESTBED_host_get_hostname (host)))
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Host %s cannot start testbed\n"),
+ GNUNET_TESTBED_host_get_hostname (host));
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Testbed cannot be started on localhost\n"));
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ hosts_checked++;
+ /* printf (_("\rChecked %u hosts"), hosts_checked); */
+ /* fflush (stdout); */
+ if (hosts_checked < num_hosts)
+ return;
+ /* printf (_("\nAll hosts can start testbed. Creating peers\n")); */
+ GNUNET_free (hc_handles);
+ hc_handles = NULL;
+ mc_proc =
+ GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
+ (hosts[0]),
+ hosts[0],
+ cfg,
+ status_cb,
+ NULL);
+}
+
+
+/**
+ * Main function that will be run by the scheduler.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be NULL!)
+ * @param config configuration
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+ const struct GNUNET_CONFIGURATION_Handle *config)
+{
+ unsigned int nhost;
+ unsigned int nsearchstrs;
+
+ if (NULL == args[0])
+ {
+ fprintf (stderr, _("No hosts-file specified on command line. Exiting.\n"));
+ return;
+ }
+ if (NULL == args[1])
+ {
+ fprintf (stderr, _("No policy directory specified on command line. Exiting.\n"));
+ return;
+ }
+ num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], &hosts);
+ if (0 == num_hosts)
+ {
+ fprintf (stderr, _("No hosts loaded. Need at least one host\n"));
+ return;
+ }
+ printf (_("Checking whether given hosts can start testbed. Please wait\n"));
+ hc_handles = GNUNET_malloc (sizeof (struct
+ GNUNET_TESTBED_HostHabitableCheckHandle *)
+ * num_hosts);
+ for (nhost = 0; nhost < num_hosts; nhost++)
+ {
+ if (NULL == (hc_handles[nhost] = GNUNET_TESTBED_is_host_habitable (hosts[nhost], config,
+ &host_habitable_cb,
+ &hc_handles[nhost])))
+ {
+ GNUNET_break (0);
+ for (nhost = 0; nhost < num_hosts; nhost++)
+ if (NULL != hc_handles[nhost])
+ GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
+ GNUNET_free (hc_handles);
+ hc_handles = NULL;
+ break;
+ }
+ }
+ if (num_hosts != nhost)
+ {
+ fprintf (stderr, _("Exiting\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ if (NULL == config)
+ {
+ fprintf (stderr, _("No configuration file given. Exiting\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (config, "REGEXPROFILER", "REGEX_PREFIX",
+ ®ex_prefix))
+ {
+ fprintf (stderr, _("Configuration option (regex_prefix) missing. Exiting\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+
+ if ( (NULL != data_filename) &&
+ (NULL == (data_file =
+ GNUNET_DISK_file_open (data_filename,
+ GNUNET_DISK_OPEN_READWRITE |
+ GNUNET_DISK_OPEN_TRUNCATE |
+ GNUNET_DISK_OPEN_CREATE,
+ GNUNET_DISK_PERM_USER_READ |
+ GNUNET_DISK_PERM_USER_WRITE))) )
+ GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
+ "open",
+ data_filename);
+ if (GNUNET_YES != GNUNET_DISK_directory_test (args[1], GNUNET_YES))
+ {
+ fprintf (stderr, _("Specified policies directory does not exist. Exiting.\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ policy_dir = args[1];
+ if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
+ {
+ fprintf (stderr, _("No search strings file given. Exiting.\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ nsearchstrs = load_search_strings (args[2], &search_strings, num_search_strings);
+ if (num_search_strings != nsearchstrs)
+ {
+ num_search_strings = nsearchstrs;
+ fprintf (stderr, _("Error loading search strings. Given file does not contain enough strings. Exiting.\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ if (0 >= num_search_strings || NULL == search_strings)
+ {
+ fprintf (stderr, _("Error loading search strings. Exiting.\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ unsigned int i;
+ for (i = 0; i < num_search_strings; i++)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
+ cfg = GNUNET_CONFIGURATION_dup (config);
+ abort_task =
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
+ (void*) __LINE__);
+}
+
+
+/**
+ * Main function.
+ *
+ * @param argc argument count
+ * @param argv argument values
+ * @return 0 on success
+ */
+int
+main (int argc, char *const *argv)
+{
+ static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+ {'d', "details", "FILENAME",
+ gettext_noop ("name of the file for writing statistics"),
+ 1, &GNUNET_GETOPT_set_string, &data_filename},
+ {'n', "num-links", "COUNT",
+ gettext_noop ("create COUNT number of random links between peers"),
+ GNUNET_YES, &GNUNET_GETOPT_set_uint, &linking_factor },
+ {'t', "matching-timeout", "TIMEOUT",
+ gettext_noop ("wait TIMEOUT before considering a string match as failed"),
+ GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout },
+ {'s', "search-delay", "DELAY",
+ gettext_noop ("wait DELAY before starting string search"),
+ GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
+ {'a', "num-search-strings", "COUNT",
+ gettext_noop ("number of search strings to read from search strings file"),
+ GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_search_strings },
+ {'p', "max-path-compression", "MAX_PATH_COMPRESSION",
+ gettext_noop ("maximum path compression length"),
+ 1, &GNUNET_GETOPT_set_uint, &max_path_compression},
+ {'i', "no-distributed-search", "",
+ gettext_noop ("if this option is set, only one peer is responsible for searching all strings"),
+ 0, &GNUNET_GETOPT_set_one, &no_distributed_search},
+ GNUNET_GETOPT_OPTION_END
+ };
+ int ret;
+
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ return 2;
+
+ result = GNUNET_SYSERR;
+ ret =
+ GNUNET_PROGRAM_run (argc, argv, "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
+ _("Profiler for regex/mesh"),
+ options, &run, NULL);
+
+ if (GNUNET_OK != ret)
+ return ret;
+ if (GNUNET_OK != result)
+ return 1;
+ return 0;
+}