/*
* This file is part of GNUnet
- * Copyright (C) 2013 Christian Grothoff (and other contributing authors)
+ * Copyright (C) 2013 GNUnet e.V.
*
* GNUnet is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
*/
/**
- * @file social/social_api.c
- * @brief Social service; implements social interactions using the PSYC service.
* @author Gabor X Toth
+ *
+ * @file
+ * Social service; implements social interactions using the PSYC service.
*/
#include <inttypes.h>
#include "platform.h"
#include "gnunet_util_lib.h"
-#include "gnunet_env_lib.h"
-#include "gnunet_core_service.h"
-#include "gnunet_identity_service.h"
-#include "gnunet_namestore_service.h"
-#include "gnunet_gns_service.h"
#include "gnunet_psyc_service.h"
#include "gnunet_psyc_util_lib.h"
#include "gnunet_social_service.h"
#define LOG(kind,...) GNUNET_log_from (kind, "social-api",__VA_ARGS__)
-
-static struct GNUNET_CORE_Handle *core;
-static struct GNUNET_GNS_Handle *gns;
-static struct GNUNET_NAMESTORE_Handle *namestore;
-static struct GNUNET_PeerIdentity this_peer;
+/**
+ * Handle for an ego.
+ */
+struct GNUNET_SOCIAL_Ego
+{
+ struct GNUNET_CRYPTO_EcdsaPublicKey pub_key;
+ struct GNUNET_HashCode pub_key_hash;
+ char *name;
+};
/**
/**
- * Handle for a place where social interactions happen.
+ * Handle for an application.
*/
-struct GNUNET_SOCIAL_Place
+struct GNUNET_SOCIAL_App
{
/**
* Configuration to use.
/**
* Client connection to the service.
*/
- struct GNUNET_CLIENT_MANAGER_Connection *client;
+ struct GNUNET_MQ_Handle *mq;
/**
- * Transmission handle.
+ * Message to send on connect.
*/
- struct GNUNET_PSYC_TransmitHandle *tmit;
+ struct GNUNET_MQ_Envelope *connect_env;
/**
- * Receipt handle.
+ * Time to wait until we try to reconnect on failure.
*/
- struct GNUNET_PSYC_ReceiveHandle *recv;
+ struct GNUNET_TIME_Relative reconnect_delay;
/**
- * Slicer for processing incoming methods.
+ * Task for reconnecting when the listener fails.
*/
- struct GNUNET_SOCIAL_Slicer *slicer;
+ struct GNUNET_SCHEDULER_Task *reconnect_task;
/**
- * Message to send on reconnect.
+ * Async operations.
*/
- struct GNUNET_MessageHeader *connect_msg;
+ struct GNUNET_OP_Handle *op;
/**
* Function called after disconnected from the service.
void *disconnect_cls;
/**
- * Public key of the place.
- */
- struct GNUNET_CRYPTO_EddsaPublicKey pub_key;
-
- /**
- * Private key of the ego.
+ * Application ID.
*/
- struct GNUNET_CRYPTO_EcdsaPrivateKey ego_key;
+ char *id;
/**
- * Does this place belong to a host (#GNUNET_YES) or guest (#GNUNET_NO)?
+ * Hash map of all egos.
+ * pub_key_hash -> struct GNUNET_SOCIAL_Ego *
*/
- uint8_t is_host;
+ struct GNUNET_CONTAINER_MultiHashMap *egos;
- /**
- * Is this place in the process of disconnecting from the service?
- * #GNUNET_YES or #GNUNET_NO
- */
- uint8_t is_disconnecting;
+ GNUNET_SOCIAL_AppEgoCallback ego_cb;
+ GNUNET_SOCIAL_AppHostPlaceCallback host_cb;
+ GNUNET_SOCIAL_AppGuestPlaceCallback guest_cb;
+ GNUNET_SOCIAL_AppConnectedCallback connected_cb;
+ void *cb_cls;
};
-/**
- * Host handle for a place that we entered.
- */
-struct GNUNET_SOCIAL_Host
+struct GNUNET_SOCIAL_HostConnection
{
- struct GNUNET_SOCIAL_Place plc;
-
- struct GNUNET_CRYPTO_EddsaPrivateKey place_key;
+ struct GNUNET_SOCIAL_App *app;
- /**
- * Receipt handle.
- */
- struct GNUNET_PSYC_ReceiveHandle *recv;
-
- /**
- * Slicer for processing incoming methods.
- */
- struct GNUNET_SOCIAL_Slicer *slicer;
-
- GNUNET_SOCIAL_HostEnterCallback enter_cb;
-
- GNUNET_SOCIAL_AnswerDoorCallback answer_door_cb;
+ struct AppPlaceMessage plc_msg;
+};
- GNUNET_SOCIAL_FarewellCallback farewell_cb;
- /**
- * Closure for callbacks.
- */
- void *cb_cls;
+struct GNUNET_SOCIAL_GuestConnection
+{
+ struct GNUNET_SOCIAL_App *app;
- struct GNUNET_SOCIAL_Nym *notice_place_leave_nym;
- struct GNUNET_ENV_Environment *notice_place_leave_env;
+ struct AppPlaceMessage plc_msg;
};
/**
- * Guest handle for place that we entered.
+ * Handle for a place where social interactions happen.
*/
-struct GNUNET_SOCIAL_Guest
+struct GNUNET_SOCIAL_Place
{
- struct GNUNET_SOCIAL_Place plc;
-
/**
- * Receipt handle.
+ * Configuration to use.
*/
- struct GNUNET_PSYC_ReceiveHandle *recv;
+ const struct GNUNET_CONFIGURATION_Handle *cfg;
/**
- * Slicer for processing incoming methods.
+ * Client connection to the service.
*/
- struct GNUNET_SOCIAL_Slicer *slicer;
-
- GNUNET_SOCIAL_GuestEnterCallback enter_cb;
-
- GNUNET_SOCIAL_EntryDecisionCallback entry_dcsn_cb;
+ struct GNUNET_MQ_Handle *mq;
/**
- * Closure for callbacks.
+ * Message to send on connect.
*/
- void *cb_cls;
-};
-
-
-/**
- * Handle for place notifications.
- */
-struct GNUNET_SOCIAL_PlaceListenHandle
-{
- struct GNUNET_SOCIAL_Place plc;
-
- GNUNET_SOCIAL_PlaceNotifyHostCallback notify_host;
- GNUNET_SOCIAL_PlaceNotifyGuestCallback notify_guest;
- void *notify_cls;
-};
+ struct GNUNET_MQ_Envelope *connect_env;
-
-/**
- * Hash map of all nyms.
- * pub_key_hash -> struct GNUNET_SOCIAL_Nym *
- */
-struct GNUNET_CONTAINER_MultiHashMap *nyms;
-
-
-/**
- * Handle for a try-and-slice instance.
- */
-struct GNUNET_SOCIAL_Slicer
-{
/**
- * Method handlers: method_name -> SlicerMethodCallbacks
+ * Time to wait until we try to reconnect on failure.
*/
- struct GNUNET_CONTAINER_MultiHashMap *method_handlers;
+ struct GNUNET_TIME_Relative reconnect_delay;
/**
- * Modifier handlers: modifier name -> SlicerModifierCallbacks
+ * Task for reconnecting when the listener fails.
*/
- struct GNUNET_CONTAINER_MultiHashMap *modifier_handlers;
+ struct GNUNET_SCHEDULER_Task *reconnect_task;
/**
- * Currently being processed message part.
+ * Async operations.
*/
- const struct GNUNET_MessageHeader *msg;
+ struct GNUNET_OP_Handle *op;
/**
- * ID of currently being received message.
+ * Transmission handle.
*/
- uint64_t message_id;
+ struct GNUNET_PSYC_TransmitHandle *tmit;
/**
- * Method name of currently being received message.
+ * Slicer for processing incoming messages.
*/
- char *method_name;
+ struct GNUNET_PSYC_Slicer *slicer;
+ // FIXME: do we need is_disconnecing like on the psyc and multicast APIs?
/**
- * Name of currently processed modifier.
+ * Function called after disconnected from the service.
*/
- char *mod_name;
+ GNUNET_ContinuationCallback disconnect_cb;
/**
- * Value of currently processed modifier.
+ * Closure for @a disconnect_cb.
*/
- char *mod_value;
+ void *disconnect_cls;
/**
- * Public key of the nym the current message originates from.
+ * Public key of the place.
*/
- struct GNUNET_CRYPTO_EcdsaPublicKey nym_key;
+ struct GNUNET_CRYPTO_EddsaPublicKey pub_key;
/**
- * Size of @a method_name (including terminating \0).
+ * Public key of the ego.
*/
- uint16_t method_name_size;
+ struct GNUNET_CRYPTO_EcdsaPublicKey ego_pub_key;
/**
- * Size of @a modifier_name (including terminating \0).
+ * Does this place belong to a host (#GNUNET_YES) or guest (#GNUNET_NO)?
*/
- uint16_t mod_name_size;
+ uint8_t is_host;
+};
- /**
- * Size of modifier value fragment.
- */
- uint16_t mod_value_size;
- /**
- * Full size of modifier value.
- */
- uint16_t mod_full_value_size;
+/**
+ * Host handle for a place that we entered.
+ */
+struct GNUNET_SOCIAL_Host
+{
+ struct GNUNET_SOCIAL_Place plc;
/**
- * Remaining bytes from the value of the current modifier.
+ * Slicer for processing incoming messages from guests.
*/
- uint16_t mod_value_remaining;
+ struct GNUNET_PSYC_Slicer *slicer;
+
+ GNUNET_SOCIAL_HostEnterCallback enter_cb;
+
+ GNUNET_SOCIAL_AnswerDoorCallback answer_door_cb;
+
+ GNUNET_SOCIAL_FarewellCallback farewell_cb;
/**
- * Operator of currently processed modifier.
+ * Closure for callbacks.
*/
- uint8_t mod_oper;
+ void *cb_cls;
+
+ struct GNUNET_SOCIAL_Nym *notice_place_leave_nym;
+ struct GNUNET_PSYC_Environment *notice_place_leave_env;
};
/**
- * Callbacks for a slicer method handler.
+ * Guest handle for place that we entered.
*/
-struct SlicerMethodCallbacks
+struct GNUNET_SOCIAL_Guest
{
- GNUNET_SOCIAL_MethodCallback method_cb;
- GNUNET_SOCIAL_ModifierCallback modifier_cb;
- GNUNET_SOCIAL_DataCallback data_cb;
- GNUNET_SOCIAL_EndOfMessageCallback eom_cb;
- void *cls;
-};
+ struct GNUNET_SOCIAL_Place plc;
+ GNUNET_SOCIAL_GuestEnterCallback enter_cb;
-struct SlicerMethodRemoveClosure
-{
- struct GNUNET_SOCIAL_Slicer *slicer;
- struct SlicerMethodCallbacks rm_cbs;
+ GNUNET_SOCIAL_EntryDecisionCallback entry_dcsn_cb;
+
+ /**
+ * Closure for callbacks.
+ */
+ void *cb_cls;
};
/**
- * Callbacks for a slicer method handler.
+ * Hash map of all nyms.
+ * pub_key_hash -> struct GNUNET_SOCIAL_Nym *
*/
-struct SlicerModifierCallbacks
-{
- GNUNET_SOCIAL_ModifierCallback modifier_cb;
- void *cls;
-};
-
-
-struct SlicerModifierRemoveClosure
-{
- struct GNUNET_SOCIAL_Slicer *slicer;
- struct SlicerModifierCallbacks rm_cbs;
-};
+struct GNUNET_CONTAINER_MultiHashMap *nyms;
/**
uint64_t op_id;
/**
- * Message handler.
+ * Slicer for processing incoming messages.
*/
- struct GNUNET_PSYC_ReceiveHandle *recv;
+ struct GNUNET_PSYC_Slicer *slicer;
/**
* Function to call when the operation finished.
};
+struct ZoneAddPlaceHandle
+{
+ GNUNET_ResultCallback result_cb;
+ void *result_cls;
+};
+
+
+struct ZoneAddNymHandle
+{
+ GNUNET_ResultCallback result_cb;
+ void *result_cls;
+};
+
+
+/*** CLEANUP / DISCONNECT ***/
+
+
+static void
+host_cleanup (struct GNUNET_SOCIAL_Host *hst)
+{
+ if (NULL != hst->slicer)
+ {
+ GNUNET_PSYC_slicer_destroy (hst->slicer);
+ hst->slicer = NULL;
+ }
+ GNUNET_free (hst);
+}
+
+
+static void
+guest_cleanup (struct GNUNET_SOCIAL_Guest *gst)
+{
+ GNUNET_free (gst);
+}
+
+
+static void
+place_cleanup (struct GNUNET_SOCIAL_Place *plc)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "cleaning up place %p\n",
+ plc);
+ if (NULL != plc->tmit)
+ {
+ GNUNET_PSYC_transmit_destroy (plc->tmit);
+ plc->tmit = NULL;
+ }
+ if (NULL != plc->connect_env)
+ {
+ GNUNET_MQ_discard (plc->connect_env);
+ plc->connect_env = NULL;
+ }
+ if (NULL != plc->mq)
+ {
+ GNUNET_MQ_destroy (plc->mq);
+ plc->mq = NULL;
+ }
+ if (NULL != plc->disconnect_cb)
+ {
+ plc->disconnect_cb (plc->disconnect_cls);
+ plc->disconnect_cb = NULL;
+ }
+
+ (GNUNET_YES == plc->is_host)
+ ? host_cleanup ((struct GNUNET_SOCIAL_Host *) plc)
+ : guest_cleanup ((struct GNUNET_SOCIAL_Guest *) plc);
+}
+
+
+static void
+place_disconnect (struct GNUNET_SOCIAL_Place *plc)
+{
+ place_cleanup (plc);
+}
+
+
/*** NYM ***/
static struct GNUNET_SOCIAL_Nym *
static void
host_recv_notice_place_leave_method (void *cls,
+ const struct GNUNET_PSYC_MessageHeader *msg,
const struct GNUNET_PSYC_MessageMethod *meth,
uint64_t message_id,
- uint32_t flags,
- const struct GNUNET_SOCIAL_Nym *nym,
const char *method_name)
{
struct GNUNET_SOCIAL_Host *hst = cls;
+
if (0 == memcmp (&(struct GNUNET_CRYPTO_EcdsaPublicKey) {},
- &nym->pub_key, sizeof (nym->pub_key)))
+ &msg->slave_pub_key, sizeof (msg->slave_pub_key)))
return;
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ struct GNUNET_SOCIAL_Nym *nym = nym_get_or_create (&msg->slave_pub_key);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Host received method for message ID %" PRIu64 " from nym %s: %s\n",
message_id, GNUNET_h2s (&nym->pub_key_hash), method_name);
hst->notice_place_leave_nym = (struct GNUNET_SOCIAL_Nym *) nym;
- hst->notice_place_leave_env = GNUNET_ENV_environment_create ();
+ hst->notice_place_leave_env = GNUNET_PSYC_env_create ();
char *str = GNUNET_CRYPTO_ecdsa_public_key_to_string (&hst->notice_place_leave_nym->pub_key);
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"_notice_place_leave: got method from nym %s (%s).\n",
GNUNET_h2s (&hst->notice_place_leave_nym->pub_key_hash), str);
+ GNUNET_free (str);
}
static void
host_recv_notice_place_leave_modifier (void *cls,
- const struct GNUNET_MessageHeader *msg,
+ const struct GNUNET_PSYC_MessageHeader *msg,
+ const struct GNUNET_MessageHeader *pmsg,
uint64_t message_id,
- enum GNUNET_ENV_Operator oper,
+ enum GNUNET_PSYC_Operator oper,
const char *name,
const void *value,
uint16_t value_size,
if (NULL == hst->notice_place_leave_env)
return;
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Host received modifier for _notice_place_leave message with ID %" PRIu64 ":\n"
"%c%s: %.*s\n",
- message_id, oper, name, value_size, value);
+ message_id, oper, name, value_size, (const char *) value);
/* skip _nym, it's added later in eom() */
if (0 == memcmp (name, "_nym", sizeof ("_nym"))
|| 0 == memcmp (name, "_nym_", sizeof ("_nym_") - 1))
return;
- GNUNET_ENV_environment_add (hst->notice_place_leave_env,
- GNUNET_ENV_OP_SET, name, value, value_size);
+ GNUNET_PSYC_env_add (hst->notice_place_leave_env,
+ GNUNET_PSYC_OP_SET, name, value, value_size);
}
static void
host_recv_notice_place_leave_eom (void *cls,
- const struct GNUNET_MessageHeader *msg,
+ const struct GNUNET_PSYC_MessageHeader *msg,
+ const struct GNUNET_MessageHeader *pmsg,
uint64_t message_id,
- uint8_t cancelled)
+ uint8_t is_cancelled)
{
struct GNUNET_SOCIAL_Host *hst = cls;
if (NULL == hst->notice_place_leave_env)
return;
char *str = GNUNET_CRYPTO_ecdsa_public_key_to_string (&hst->notice_place_leave_nym->pub_key);
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"_notice_place_leave: got EOM from nym %s (%s).\n",
GNUNET_h2s (&hst->notice_place_leave_nym->pub_key_hash), str);
+ GNUNET_free (str);
- if (GNUNET_YES != cancelled)
+ if (GNUNET_YES != is_cancelled)
{
if (NULL != hst->farewell_cb)
hst->farewell_cb (hst->cb_cls, hst->notice_place_leave_nym,
hst->notice_place_leave_env);
/* announce leaving guest to place */
- GNUNET_ENV_environment_add (hst->notice_place_leave_env, GNUNET_ENV_OP_SET,
- "_nym", hst->notice_place_leave_nym,
- sizeof (*hst->notice_place_leave_nym));
+ GNUNET_PSYC_env_add (hst->notice_place_leave_env, GNUNET_PSYC_OP_SET,
+ "_nym", hst->notice_place_leave_nym,
+ sizeof (*hst->notice_place_leave_nym));
GNUNET_SOCIAL_host_announce (hst, "_notice_place_leave",
hst->notice_place_leave_env,
NULL, NULL, GNUNET_SOCIAL_ANNOUNCE_NONE);
nym_destroy (hst->notice_place_leave_nym);
}
- GNUNET_ENV_environment_destroy (hst->notice_place_leave_env);
+ GNUNET_PSYC_env_destroy (hst->notice_place_leave_env);
hst->notice_place_leave_env = NULL;
}
-/*** SLICER ***/
-
-/**
- * Call a method handler for an incoming message part.
- */
-int
-slicer_method_handler_notify (void *cls, const struct GNUNET_HashCode *key,
- void *value)
-{
- struct GNUNET_SOCIAL_Slicer *slicer = cls;
- const struct GNUNET_MessageHeader *msg = slicer->msg;
- struct SlicerMethodCallbacks *cbs = value;
- uint16_t ptype = ntohs (msg->type);
-
- switch (ptype)
- {
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD:
- {
- if (NULL == cbs->method_cb)
- break;
- struct GNUNET_PSYC_MessageMethod *
- meth = (struct GNUNET_PSYC_MessageMethod *) msg;
- cbs->method_cb (cbs->cls, meth, slicer->message_id,
- ntohl (meth->flags),
- nym_get_or_create (&slicer->nym_key),
- slicer->method_name);
- break;
- }
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
- {
- if (NULL == cbs->modifier_cb)
- break;
- struct GNUNET_PSYC_MessageModifier *
- mod = (struct GNUNET_PSYC_MessageModifier *) msg;
- cbs->modifier_cb (cbs->cls, &mod->header, slicer->message_id,
- mod->oper, (const char *) &mod[1],
- (const void *) &mod[1] + ntohs (mod->name_size),
- ntohs (mod->header.size) - sizeof (*mod) - ntohs (mod->name_size),
- ntohs (mod->value_size));
- break;
- }
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
- {
- if (NULL == cbs->modifier_cb)
- break;
- cbs->modifier_cb (cbs->cls, msg, slicer->message_id,
- slicer->mod_oper, slicer->mod_name, &msg[1],
- ntohs (msg->size) - sizeof (*msg),
- slicer->mod_full_value_size);
- break;
- }
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA:
- {
- if (NULL == cbs->data_cb)
- break;
- uint64_t data_offset = 0; // FIXME
- cbs->data_cb (cbs->cls, msg, slicer->message_id,
- data_offset, &msg[1], ntohs (msg->size) - sizeof (*msg));
- break;
- }
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END:
- if (NULL == cbs->eom_cb)
- break;
- cbs->eom_cb (cbs->cls, msg, slicer->message_id, GNUNET_NO);
- break;
-
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_CANCEL:
- if (NULL == cbs->eom_cb)
- break;
- cbs->eom_cb (cbs->cls, msg, slicer->message_id, GNUNET_YES);
- break;
- }
- return GNUNET_YES;
-}
-
-
-/**
- * Call a method handler for an incoming message part.
- */
-int
-slicer_modifier_handler_notify (void *cls, const struct GNUNET_HashCode *key,
- void *value)
-{
- struct GNUNET_SOCIAL_Slicer *slicer = cls;
- struct SlicerModifierCallbacks *cbs = value;
-
- cbs->modifier_cb (cbs->cls, slicer->msg, slicer->message_id, slicer->mod_oper,
- slicer->mod_name, slicer->mod_value,
- slicer->mod_value_size, slicer->mod_full_value_size);
- return GNUNET_YES;
-}
+/*** PLACE ***/
-/**
- * Process an incoming message part and call matching handlers.
- *
- * @param cls
- * Closure.
- * @param message_id
- * ID of the message.
- * @param flags
- * Flags for the message.
- * @see enum GNUNET_PSYC_MessageFlags
- * @param msg
- * The message part. as it arrived from the network.
- */
-static void
-slicer_message (void *cls, const struct GNUNET_CRYPTO_EcdsaPublicKey *slave_key,
- uint64_t message_id, uint32_t flags, uint64_t fragment_offset,
- const struct GNUNET_MessageHeader *msg)
+static int
+check_place_result (void *cls,
+ const struct GNUNET_OperationResultMessage *res)
{
- struct GNUNET_SOCIAL_Slicer *slicer = cls;
- slicer->nym_key = *slave_key;
-
- uint16_t ptype = ntohs (msg->type);
- if (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD == ptype)
- {
- struct GNUNET_PSYC_MessageMethod *
- meth = (struct GNUNET_PSYC_MessageMethod *) msg;
- slicer->method_name_size = ntohs (meth->header.size) - sizeof (*meth);
- slicer->method_name = GNUNET_malloc (slicer->method_name_size);
- memcpy (slicer->method_name, &meth[1], slicer->method_name_size);
- slicer->message_id = message_id;
- }
- else
- {
- GNUNET_assert (message_id == slicer->message_id);
- }
-
- char *nym_str = GNUNET_CRYPTO_ecdsa_public_key_to_string (slave_key);
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Slicer received message of type %u and size %u, "
- "with ID %" PRIu64 " and method %s from %s\n",
- ptype, ntohs (msg->size), message_id, slicer->method_name, nym_str);
- GNUNET_free (nym_str);
-
- slicer->msg = msg;
-
- /* try-and-slice modifier */
-
- switch (ptype)
- {
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
- {
- struct GNUNET_PSYC_MessageModifier *
- mod = (struct GNUNET_PSYC_MessageModifier *) msg;
- slicer->mod_oper = mod->oper;
- slicer->mod_name_size = ntohs (mod->name_size);
- slicer->mod_name = GNUNET_malloc (slicer->mod_name_size);
- memcpy (slicer->mod_name, &mod[1], slicer->mod_name_size);
- slicer->mod_value = (char *) &mod[1] + slicer->mod_name_size;
- slicer->mod_full_value_size = ntohs (mod->value_size);
- slicer->mod_value_remaining = slicer->mod_full_value_size;
- slicer->mod_value_size
- = ntohs (mod->header.size) - sizeof (*mod) - slicer->mod_name_size;
- }
- case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT:
- if (ptype == GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT)
- {
- slicer->mod_value = (char *) &msg[1];
- slicer->mod_value_size = ntohs (msg->size) - sizeof (*msg);
- }
- slicer->mod_value_remaining -= slicer->mod_value_size;
- char *name = GNUNET_malloc (slicer->mod_name_size);
- memcpy (name, slicer->mod_name, slicer->mod_name_size);
- do
- {
- struct GNUNET_HashCode key;
- uint16_t name_len = strlen (name);
- GNUNET_CRYPTO_hash (name, name_len, &key);
- GNUNET_CONTAINER_multihashmap_get_multiple (slicer->modifier_handlers, &key,
- slicer_modifier_handler_notify,
- slicer);
- char *p = strrchr (name, '_');
- if (NULL == p)
- break;
- *p = '\0';
- } while (1);
- GNUNET_free (name);
- }
-
- /* try-and-slice method */
-
- char *name = GNUNET_malloc (slicer->method_name_size);
- memcpy (name, slicer->method_name, slicer->method_name_size);
- do
- {
- struct GNUNET_HashCode key;
- uint16_t name_len = strlen (name);
- GNUNET_CRYPTO_hash (name, name_len, &key);
- GNUNET_CONTAINER_multihashmap_get_multiple (slicer->method_handlers, &key,
- slicer_method_handler_notify,
- slicer);
- char *p = strrchr (name, '_');
- if (NULL == p)
- break;
- *p = '\0';
- } while (1);
- GNUNET_free (name);
-
- if (GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_END <= ptype)
- GNUNET_free (slicer->method_name);
-
- if (0 == slicer->mod_value_remaining && NULL != slicer->mod_name)
- {
- GNUNET_free (slicer->mod_name);
- slicer->mod_name = NULL;
- slicer->mod_name_size = 0;
- slicer->mod_value_size = 0;
- slicer->mod_full_value_size = 0;
- slicer->mod_oper = 0;
+ uint16_t size = ntohs (res->header.size);
+ if (size < sizeof (*res))
+ { /* Error, message too small. */
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
}
-
- slicer->msg = NULL;
-}
-
-
-/**
- * Create a try-and-slice instance.
- *
- * A slicer processes incoming messages and notifies callbacks about matching
- * methods or modifiers encountered.
- *
- * @return A new try-and-slice construct.
- */
-struct GNUNET_SOCIAL_Slicer *
-GNUNET_SOCIAL_slicer_create (void)
-{
- struct GNUNET_SOCIAL_Slicer *slicer = GNUNET_malloc (sizeof (*slicer));
- slicer->method_handlers = GNUNET_CONTAINER_multihashmap_create (1, GNUNET_NO);
- slicer->modifier_handlers = GNUNET_CONTAINER_multihashmap_create (1, GNUNET_NO);
- return slicer;
-}
-
-
-/**
- * Add a method to the try-and-slice instance.
- *
- * The callbacks are called for messages with a matching @a method_name prefix.
- *
- * @param slicer
- * The try-and-slice instance to extend.
- * @param method_name
- * Name of the given method, use empty string to match all.
- * @param method_cb
- * Method handler invoked upon a matching message.
- * @param modifier_cb
- * Modifier handler, invoked after @a method_cb
- * for each modifier in the message.
- * @param data_cb
- * Data handler, invoked after @a modifier_cb for each data fragment.
- * @param eom_cb
- * Invoked upon reaching the end of a matching message.
- * @param cls
- * Closure for the callbacks.
- */
-void
-GNUNET_SOCIAL_slicer_method_add (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *method_name,
- GNUNET_SOCIAL_MethodCallback method_cb,
- GNUNET_SOCIAL_ModifierCallback modifier_cb,
- GNUNET_SOCIAL_DataCallback data_cb,
- GNUNET_SOCIAL_EndOfMessageCallback eom_cb,
- void *cls)
-{
- struct GNUNET_HashCode key;
- GNUNET_CRYPTO_hash (method_name, strlen (method_name), &key);
-
- struct SlicerMethodCallbacks *cbs = GNUNET_malloc (sizeof (*cbs));
- cbs->method_cb = method_cb;
- cbs->modifier_cb = modifier_cb;
- cbs->data_cb = data_cb;
- cbs->eom_cb = eom_cb;
- cbs->cls = cls;
-
- GNUNET_CONTAINER_multihashmap_put (slicer->method_handlers, &key, cbs,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+ return GNUNET_OK;
}
-int
-slicer_method_remove (void *cls, const struct GNUNET_HashCode *key, void *value)
+static void
+handle_place_result (void *cls,
+ const struct GNUNET_OperationResultMessage *res)
{
- struct SlicerMethodRemoveClosure *rm_cls = cls;
- struct GNUNET_SOCIAL_Slicer *slicer = rm_cls->slicer;
- struct SlicerMethodCallbacks *rm_cbs = &rm_cls->rm_cbs;
- struct SlicerMethodCallbacks *cbs = value;
-
- if (cbs->method_cb == rm_cbs->method_cb
- && cbs->modifier_cb == rm_cbs->modifier_cb
- && cbs->data_cb == rm_cbs->data_cb
- && cbs->eom_cb == rm_cbs->eom_cb)
- {
- GNUNET_CONTAINER_multihashmap_remove (slicer->method_handlers, key, cbs);
- GNUNET_free (cbs);
- return GNUNET_NO;
- }
- return GNUNET_YES;
-}
-
-
-/**
- * Remove a registered method from the try-and-slice instance.
- *
- * Removes one matching handler registered with the given
- * @a method_name and callbacks.
- *
- * @param slicer
- * The try-and-slice instance.
- * @param method_name
- * Name of the method to remove.
- * @param method_cb
- * Method handler.
- * @param modifier_cb
- * Modifier handler.
- * @param data_cb
- * Data handler.
- * @param eom_cb
- * End of message handler.
- *
- * @return #GNUNET_OK if a method handler was removed,
- * #GNUNET_NO if no handler matched the given method name and callbacks.
- */
-int
-GNUNET_SOCIAL_slicer_method_remove (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *method_name,
- GNUNET_SOCIAL_MethodCallback method_cb,
- GNUNET_SOCIAL_ModifierCallback modifier_cb,
- GNUNET_SOCIAL_DataCallback data_cb,
- GNUNET_SOCIAL_EndOfMessageCallback eom_cb)
-{
- struct GNUNET_HashCode key;
- GNUNET_CRYPTO_hash (method_name, strlen (method_name), &key);
-
- struct SlicerMethodRemoveClosure rm_cls;
- rm_cls.slicer = slicer;
- struct SlicerMethodCallbacks *rm_cbs = &rm_cls.rm_cbs;
- rm_cbs->method_cb = method_cb;
- rm_cbs->modifier_cb = modifier_cb;
- rm_cbs->data_cb = data_cb;
- rm_cbs->eom_cb = eom_cb;
-
- return
- (GNUNET_SYSERR
- == GNUNET_CONTAINER_multihashmap_get_multiple (slicer->method_handlers, &key,
- slicer_method_remove,
- &rm_cls))
- ? GNUNET_NO
- : GNUNET_OK;
-}
-
+ struct GNUNET_SOCIAL_Place *plc = cls;
-/**
- * Watch a place for changed objects.
- *
- * @param slicer
- * The try-and-slice instance.
- * @param object_filter
- * Object prefix to match.
- * @param modifier_cb
- * Function to call when encountering a state modifier.
- * @param cls
- * Closure for callback.
- */
-void
-GNUNET_SOCIAL_slicer_modifier_add (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *object_filter,
- GNUNET_SOCIAL_ModifierCallback modifier_cb,
- void *cls)
-{
- struct SlicerModifierCallbacks *cbs = GNUNET_malloc (sizeof *cbs);
- cbs->modifier_cb = modifier_cb;
- cbs->cls = cls;
+ uint16_t size = ntohs (res->header.size);
+ uint16_t data_size = size - sizeof (*res);
+ const char *data = (0 < data_size) ? (const char *) &res[1] : NULL;
- struct GNUNET_HashCode key;
- GNUNET_CRYPTO_hash (object_filter, strlen (object_filter), &key);
- GNUNET_CONTAINER_multihashmap_put (slicer->modifier_handlers, &key, cbs,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+ GNUNET_OP_result (plc->op, GNUNET_ntohll (res->op_id),
+ GNUNET_ntohll (res->result_code),
+ data, data_size, NULL);
}
-int
-slicer_modifier_remove (void *cls, const struct GNUNET_HashCode *key, void *value)
+static int
+check_app_result (void *cls,
+ const struct GNUNET_OperationResultMessage *res)
{
- struct SlicerModifierRemoveClosure *rm_cls = cls;
- struct GNUNET_SOCIAL_Slicer *slicer = rm_cls->slicer;
- struct SlicerModifierCallbacks *rm_cbs = &rm_cls->rm_cbs;
- struct SlicerModifierCallbacks *cbs = value;
-
- if (cbs->modifier_cb == rm_cbs->modifier_cb)
- {
- GNUNET_CONTAINER_multihashmap_remove (slicer->modifier_handlers, key, cbs);
- GNUNET_free (cbs);
- return GNUNET_NO;
+ uint16_t size = ntohs (res->header.size);
+ if (size < sizeof (*res))
+ { /* Error, message too small. */
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
}
- return GNUNET_YES;
-}
-
-
-/**
- * Remove a registered modifier from the try-and-slice instance.
- *
- * Removes one matching handler registered with the given
- * @a object_filter and @a modifier_cb.
- *
- * @param slicer
- * The try-and-slice instance.
- * @param object_filter
- * Object prefix to match.
- * @param modifier_cb
- * Function to call when encountering a state modifier changes.
- */
-int
-GNUNET_SOCIAL_slicer_modifier_remove (struct GNUNET_SOCIAL_Slicer *slicer,
- const char *object_filter,
- GNUNET_SOCIAL_ModifierCallback modifier_cb)
-{
- struct GNUNET_HashCode key;
- GNUNET_CRYPTO_hash (object_filter, strlen (object_filter), &key);
-
- struct SlicerModifierRemoveClosure rm_cls;
- rm_cls.slicer = slicer;
- struct SlicerModifierCallbacks *rm_cbs = &rm_cls.rm_cbs;
- rm_cbs->modifier_cb = modifier_cb;
-
- return
- (GNUNET_SYSERR
- == GNUNET_CONTAINER_multihashmap_get_multiple (slicer->modifier_handlers, &key,
- slicer_modifier_remove,
- &rm_cls))
- ? GNUNET_NO
- : GNUNET_OK;
- }
-
-
-int
-slicer_method_free (void *cls, const struct GNUNET_HashCode *key, void *value)
-{
- struct SlicerMethodCallbacks *cbs = value;
- GNUNET_free (cbs);
- return GNUNET_YES;
-}
-
-
-/**
- * Destroy a given try-and-slice instance.
- *
- * @param slicer
- * Slicer to destroy
- */
-void
-GNUNET_SOCIAL_slicer_destroy (struct GNUNET_SOCIAL_Slicer *slicer)
-{
- GNUNET_CONTAINER_multihashmap_iterate (slicer->method_handlers,
- slicer_method_free, NULL);
- GNUNET_CONTAINER_multihashmap_destroy (slicer->method_handlers);
- GNUNET_free (slicer);
-}
-
-
-/*** PLACE ***/
-
-
-static void
-place_send_connect_msg (struct GNUNET_SOCIAL_Place *plc)
-{
- uint16_t cmsg_size = ntohs (plc->connect_msg->size);
- struct GNUNET_MessageHeader * cmsg = GNUNET_malloc (cmsg_size);
- memcpy (cmsg, plc->connect_msg, cmsg_size);
- GNUNET_CLIENT_MANAGER_transmit_now (plc->client, cmsg);
-}
-
-
-static void
-place_recv_disconnect (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
-{
- struct GNUNET_SOCIAL_Place *
- plc = GNUNET_CLIENT_MANAGER_get_user_context_ (client, sizeof (*plc));
-
- GNUNET_CLIENT_MANAGER_reconnect (client);
- place_send_connect_msg (plc);
+ return GNUNET_OK;
}
static void
-place_recv_result (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+handle_app_result (void *cls,
+ const struct GNUNET_OperationResultMessage *res)
{
- struct GNUNET_SOCIAL_Place *
- plc = GNUNET_CLIENT_MANAGER_get_user_context_ (client, sizeof (*plc));
-
- const struct GNUNET_OperationResultMessage *
- res = (const struct GNUNET_OperationResultMessage *) msg;
-
- uint16_t size = ntohs (msg->size);
- if (size < sizeof (*res))
- { /* Error, message too small. */
- GNUNET_break (0);
- return;
- }
+ struct GNUNET_SOCIAL_App *app = cls;
+ uint16_t size = ntohs (res->header.size);
uint16_t data_size = size - sizeof (*res);
const char *data = (0 < data_size) ? (const char *) &res[1] : NULL;
- GNUNET_CLIENT_MANAGER_op_result (plc->client, GNUNET_ntohll (res->op_id),
- GNUNET_ntohll (res->result_code),
- data, data_size);
+
+ GNUNET_OP_result (app->op, GNUNET_ntohll (res->op_id),
+ GNUNET_ntohll (res->result_code),
+ data, data_size, NULL);
}
if (NULL != hist->result_cb)
hist->result_cb (hist->cls, result, err_msg, err_msg_size);
- GNUNET_PSYC_receive_destroy (hist->recv);
GNUNET_free (hist);
}
}
-static void
-place_recv_history_result (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+static int
+check_place_history_result (void *cls,
+ const struct GNUNET_OperationResultMessage *res)
{
- struct GNUNET_SOCIAL_Place *
- plc = GNUNET_CLIENT_MANAGER_get_user_context_ (client, sizeof (*plc));
+ struct GNUNET_PSYC_MessageHeader *
+ pmsg = (struct GNUNET_PSYC_MessageHeader *) GNUNET_MQ_extract_nested_mh (res);
+ uint16_t size = ntohs (res->header.size);
+
+ if (NULL == pmsg || size < sizeof (*res) + sizeof (*pmsg))
+ { /* Error, message too small. */
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+}
+
- const struct GNUNET_OperationResultMessage *
- res = (const struct GNUNET_OperationResultMessage *) msg;
+static void
+handle_place_history_result (void *cls,
+ const struct GNUNET_OperationResultMessage *res)
+{
+ struct GNUNET_SOCIAL_Place *plc = cls;
struct GNUNET_PSYC_MessageHeader *
- pmsg = (struct GNUNET_PSYC_MessageHeader *) &res[1];
+ pmsg = (struct GNUNET_PSYC_MessageHeader *) GNUNET_MQ_extract_nested_mh (res);
LOG (GNUNET_ERROR_TYPE_DEBUG,
"%p Received historic fragment for message #%" PRIu64 ".\n",
GNUNET_ResultCallback result_cb = NULL;
struct GNUNET_SOCIAL_HistoryRequest *hist = NULL;
- if (GNUNET_YES != GNUNET_CLIENT_MANAGER_op_find (plc->client,
- GNUNET_ntohll (res->op_id),
- &result_cb, (void *) &hist))
+ if (GNUNET_YES != GNUNET_OP_get (plc->op,
+ GNUNET_ntohll (res->op_id),
+ &result_cb, (void *) &hist, NULL))
{ /* Operation not found. */
LOG (GNUNET_ERROR_TYPE_WARNING,
"%p Replay operation not found for historic fragment of message #%"
return;
}
- uint16_t size = ntohs (msg->size);
- if (size < sizeof (*res) + sizeof (*pmsg))
- { /* Error, message too small. */
- GNUNET_break (0);
- return;
+ GNUNET_PSYC_slicer_message (hist->slicer,
+ (const struct GNUNET_PSYC_MessageHeader *) pmsg);
+}
+
+
+static int
+check_place_state_result (void *cls,
+ const struct GNUNET_OperationResultMessage *res)
+{
+ const struct GNUNET_MessageHeader *mod = GNUNET_MQ_extract_nested_mh (res);
+ if (NULL == mod)
+ {
+ GNUNET_break_op (0);
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Invalid modifier in state result\n");
+ return GNUNET_SYSERR;
}
- GNUNET_PSYC_receive_message (hist->recv,
- (const struct GNUNET_PSYC_MessageHeader *) pmsg);
+ uint16_t size = ntohs (res->header.size);
+ uint16_t mod_size = ntohs (mod->size);
+ if (size - sizeof (*res) != mod_size)
+ {
+ GNUNET_break_op (0);
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Invalid modifier size in state result: %u - %u != %u\n",
+ ntohs (res->header.size), sizeof (*res), mod_size);
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
}
static void
-place_recv_state_result (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+handle_place_state_result (void *cls,
+ const struct GNUNET_OperationResultMessage *res)
{
- struct GNUNET_SOCIAL_Place *
- plc = GNUNET_CLIENT_MANAGER_get_user_context_ (client, sizeof (*plc));
-
- const struct GNUNET_OperationResultMessage *
- res = (const struct GNUNET_OperationResultMessage *) msg;
+ struct GNUNET_SOCIAL_Place *plc = cls;
GNUNET_ResultCallback result_cb = NULL;
struct GNUNET_SOCIAL_LookHandle *look = NULL;
- if (GNUNET_YES != GNUNET_CLIENT_MANAGER_op_find (plc->client,
- GNUNET_ntohll (res->op_id),
- &result_cb, (void *) &look))
+ if (GNUNET_YES != GNUNET_OP_get (plc->op,
+ GNUNET_ntohll (res->op_id),
+ &result_cb, (void *) &look, NULL))
{ /* Operation not found. */
return;
}
- const struct GNUNET_MessageHeader *
- mod = (struct GNUNET_MessageHeader *) &res[1];
+ const struct GNUNET_MessageHeader *mod = GNUNET_MQ_extract_nested_mh (res);
uint16_t mod_size = ntohs (mod->size);
- if (ntohs (msg->size) - sizeof (*res) != mod_size)
- {
- GNUNET_break_op (0);
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Invalid modifier size in state result: %u - %u != %u\n",
- ntohs (msg->size), sizeof (*res), mod_size);
- return;
- }
+
switch (ntohs (mod->type))
{
case GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER:
const char *name = (const char *) &pmod[1];
uint16_t name_size = ntohs (pmod->name_size);
- if ('\0' != name[name_size - 1])
+ if (0 == name_size
+ || mod_size - sizeof (*pmod) < name_size
+ || '\0' != name[name_size - 1])
{
GNUNET_break_op (0);
LOG (GNUNET_ERROR_TYPE_WARNING,
{
look->mod_value_remaining = look->mod_value_size;
look->mod_name = GNUNET_malloc (name_size);
- memcpy (look->mod_name, name, name_size);
+ GNUNET_memcpy (look->mod_name, name, name_size);
}
break;
}
}
-static void
-place_recv_message_ack (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+static void
+handle_place_message_ack (void *cls,
+ const struct GNUNET_MessageHeader *msg)
+{
+ struct GNUNET_SOCIAL_Place *plc = cls;
+
+ GNUNET_PSYC_transmit_got_ack (plc->tmit);
+}
+
+
+static int
+check_place_message (void *cls,
+ const struct GNUNET_PSYC_MessageHeader *pmsg)
{
- struct GNUNET_SOCIAL_Place *
- plc = GNUNET_CLIENT_MANAGER_get_user_context_ (client, sizeof (*plc));
- GNUNET_PSYC_transmit_got_ack (plc->tmit);
+ return GNUNET_OK;
}
static void
-place_recv_message (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+handle_place_message (void *cls,
+ const struct GNUNET_PSYC_MessageHeader *pmsg)
{
- struct GNUNET_SOCIAL_Place *
- plc = GNUNET_CLIENT_MANAGER_get_user_context_ (client, sizeof (*plc));
- GNUNET_PSYC_receive_message (plc->recv,
- (const struct GNUNET_PSYC_MessageHeader *) msg);
+ struct GNUNET_SOCIAL_Place *plc = cls;
+
+ GNUNET_PSYC_slicer_message (plc->slicer, pmsg);
+}
+
+
+static int
+check_host_message (void *cls,
+ const struct GNUNET_PSYC_MessageHeader *pmsg)
+{
+ return GNUNET_OK;
}
static void
-host_recv_message (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+handle_host_message (void *cls,
+ const struct GNUNET_PSYC_MessageHeader *pmsg)
{
- struct GNUNET_SOCIAL_Host *
- hst = GNUNET_CLIENT_MANAGER_get_user_context_ (client, sizeof (hst->plc));
- GNUNET_PSYC_receive_message (hst->recv,
- (const struct GNUNET_PSYC_MessageHeader *) msg);
- GNUNET_PSYC_receive_message (hst->plc.recv,
- (const struct GNUNET_PSYC_MessageHeader *) msg);
+ struct GNUNET_SOCIAL_Host *hst = cls;
+
+ GNUNET_PSYC_slicer_message (hst->slicer, pmsg);
+ GNUNET_PSYC_slicer_message (hst->plc.slicer, pmsg);
}
static void
-host_recv_enter_ack (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+handle_host_enter_ack (void *cls,
+ const struct HostEnterAck *hack)
{
- struct GNUNET_SOCIAL_Host *
- hst = GNUNET_CLIENT_MANAGER_get_user_context_ (client,
- sizeof (struct GNUNET_SOCIAL_Place));
+ struct GNUNET_SOCIAL_Host *hst = cls;
- struct GNUNET_PSYC_CountersResultMessage *
- cres = (struct GNUNET_PSYC_CountersResultMessage *) msg;
- int32_t result = ntohl (cres->result_code);
+ hst->plc.pub_key = hack->place_pub_key;
+
+ int32_t result = ntohl (hack->result_code);
if (NULL != hst->enter_cb)
- hst->enter_cb (hst->cb_cls, result, GNUNET_ntohll (cres->max_message_id));
+ hst->enter_cb (hst->cb_cls, result, &hack->place_pub_key,
+ GNUNET_ntohll (hack->max_message_id));
+}
+
+
+static int
+check_host_enter_request (void *cls,
+ const struct GNUNET_PSYC_JoinRequestMessage *req)
+{
+ return GNUNET_OK;
}
static void
-host_recv_enter_request (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+handle_host_enter_request (void *cls,
+ const struct GNUNET_PSYC_JoinRequestMessage *req)
{
- struct GNUNET_SOCIAL_Host *
- hst = GNUNET_CLIENT_MANAGER_get_user_context_ (client,
- sizeof (struct GNUNET_SOCIAL_Place));
+ struct GNUNET_SOCIAL_Host *hst = cls;
+
if (NULL == hst->answer_door_cb)
return;
const char *method_name = NULL;
- struct GNUNET_ENV_Environment *env = NULL;
+ struct GNUNET_PSYC_Environment *env = NULL;
struct GNUNET_PSYC_MessageHeader *entry_pmsg = NULL;
const void *data = NULL;
uint16_t data_size = 0;
char *str;
- const struct GNUNET_PSYC_JoinRequestMessage *
- req = (const struct GNUNET_PSYC_JoinRequestMessage *) msg;
const struct GNUNET_PSYC_Message *join_msg = NULL;
do
{
if (sizeof (*req) + sizeof (*join_msg) <= ntohs (req->header.size))
{
- join_msg = (struct GNUNET_PSYC_Message *) &req[1];
+ join_msg = (struct GNUNET_PSYC_Message *) GNUNET_MQ_extract_nested_mh (req);
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Received join_msg of type %u and size %u.\n",
ntohs (join_msg->header.type), ntohs (join_msg->header.size));
- env = GNUNET_ENV_environment_create ();
+ env = GNUNET_PSYC_env_create ();
entry_pmsg = GNUNET_PSYC_message_header_create_from_psyc (join_msg);
if (GNUNET_OK != GNUNET_PSYC_message_parse (entry_pmsg, &method_name, env,
&data, &data_size))
{
GNUNET_break_op (0);
- str = GNUNET_CRYPTO_ecdsa_public_key_to_string (&req->slave_key);
+ str = GNUNET_CRYPTO_ecdsa_public_key_to_string (&req->slave_pub_key);
LOG (GNUNET_ERROR_TYPE_WARNING,
"Ignoring invalid entry request from nym %s.\n",
str);
}
}
- struct GNUNET_SOCIAL_Nym *nym = nym_get_or_create (&req->slave_key);
+ struct GNUNET_SOCIAL_Nym *nym = nym_get_or_create (&req->slave_pub_key);
hst->answer_door_cb (hst->cb_cls, nym, method_name, env,
- data_size, data);
+ data, data_size);
} while (0);
if (NULL != env)
- GNUNET_ENV_environment_destroy (env);
+ GNUNET_PSYC_env_destroy (env);
if (NULL != entry_pmsg)
GNUNET_free (entry_pmsg);
}
static void
-guest_recv_enter_ack (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+handle_guest_enter_ack (void *cls,
+ const struct GNUNET_PSYC_CountersResultMessage *cres)
{
- struct GNUNET_SOCIAL_Guest *
- gst = GNUNET_CLIENT_MANAGER_get_user_context_ (client,
- sizeof (struct GNUNET_SOCIAL_Place));
+ struct GNUNET_SOCIAL_Guest *gst = cls;
- struct GNUNET_PSYC_CountersResultMessage *
- cres = (struct GNUNET_PSYC_CountersResultMessage *) msg;
int32_t result = ntohl (cres->result_code);
if (NULL != gst->enter_cb)
- gst->enter_cb (gst->cb_cls, result, GNUNET_ntohll (cres->max_message_id));
+ gst->enter_cb (gst->cb_cls, result, &gst->plc.pub_key,
+ GNUNET_ntohll (cres->max_message_id));
+}
+
+
+static int
+check_guest_enter_decision (void *cls,
+ const struct GNUNET_PSYC_JoinDecisionMessage *dcsn)
+{
+ return GNUNET_OK;
}
static void
-guest_recv_join_decision (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+handle_guest_enter_decision (void *cls,
+ const struct GNUNET_PSYC_JoinDecisionMessage *dcsn)
{
- struct GNUNET_SOCIAL_Guest *
- gst = GNUNET_CLIENT_MANAGER_get_user_context_ (client,
- sizeof (struct GNUNET_SOCIAL_Place));
- const struct GNUNET_PSYC_JoinDecisionMessage *
- dcsn = (const struct GNUNET_PSYC_JoinDecisionMessage *) msg;
+ struct GNUNET_SOCIAL_Guest *gst = cls;
struct GNUNET_PSYC_Message *pmsg = NULL;
- if (ntohs (dcsn->header.size) <= sizeof (*dcsn) + sizeof (*pmsg))
- pmsg = (struct GNUNET_PSYC_Message *) &dcsn[1];
+ if (ntohs (dcsn->header.size) > sizeof (*dcsn))
+ pmsg = (struct GNUNET_PSYC_Message *) GNUNET_MQ_extract_nested_mh (dcsn);
if (NULL != gst->entry_dcsn_cb)
gst->entry_dcsn_cb (gst->cb_cls, ntohl (dcsn->is_admitted), pmsg);
}
-static void
-notify_recv_place_host (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+static int
+check_app_ego (void *cls,
+ const struct AppEgoMessage *emsg)
{
- struct GNUNET_SOCIAL_PlaceListenHandle *
- pl = GNUNET_CLIENT_MANAGER_get_user_context_ (client, sizeof (*pl));
- if (NULL == pl->notify_host)
- return;
-
- struct HostEnterRequest *
- hreq = (struct HostEnterRequest *) msg;
-
- pl->notify_host (pl->notify_cls, &hreq->place_key, ntohl (hreq->policy));
+ return GNUNET_OK;
}
static void
-notify_recv_place_guest (void *cls,
- struct GNUNET_CLIENT_MANAGER_Connection *client,
- const struct GNUNET_MessageHeader *msg)
+handle_app_ego (void *cls,
+ const struct AppEgoMessage *emsg)
{
- struct GNUNET_SOCIAL_PlaceListenHandle *
- pl = GNUNET_CLIENT_MANAGER_get_user_context_ (client, sizeof (*pl));
- if (NULL == pl->notify_guest)
- return;
+ struct GNUNET_SOCIAL_App *app = cls;
- struct GuestEnterRequest *
- greq = (struct GuestEnterRequest *) msg;
- uint16_t greq_size = ntohs (greq->header.size);
+ uint16_t name_size = ntohs (emsg->header.size) - sizeof (*emsg);
- const struct GNUNET_PeerIdentity *relays = NULL;
- uint16_t relay_count = ntohs (greq->relay_count);
- uint16_t relay_size = relay_count * sizeof (*relays);
- if (0 < relay_size)
- relays = (const struct GNUNET_PeerIdentity *) &greq[1];
- struct GNUNET_PSYC_Message *join_msg = NULL;
+ struct GNUNET_HashCode ego_pub_hash;
+ GNUNET_CRYPTO_hash (&emsg->ego_pub_key, sizeof (emsg->ego_pub_key),
+ &ego_pub_hash);
- if (sizeof (*greq) + relay_size + sizeof (struct GNUNET_MessageHeader)
- <= greq_size)
+ struct GNUNET_SOCIAL_Ego *
+ ego = GNUNET_CONTAINER_multihashmap_get (app->egos, &ego_pub_hash);
+ if (NULL == ego)
+ {
+ ego = GNUNET_malloc (sizeof (*ego));
+ ego->pub_key = emsg->ego_pub_key;
+ ego->name = GNUNET_malloc (name_size);
+ GNUNET_memcpy (ego->name, &emsg[1], name_size);
+ }
+ else
{
- join_msg = (struct GNUNET_PSYC_Message *)
- (((char *) &greq[1]) + relay_size);
+ ego->name = GNUNET_realloc (ego->name, name_size);
+ GNUNET_memcpy (ego->name, &emsg[1], name_size);
}
- pl->notify_guest (pl->notify_cls, &greq->place_key, &greq->origin,
- relay_count, relays, join_msg);
+ GNUNET_CONTAINER_multihashmap_put (app->egos, &ego_pub_hash, ego,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE);
+
+ if (NULL != app->ego_cb)
+ app->ego_cb (app->cb_cls, ego, &ego->pub_key, ego->name);
}
-static struct GNUNET_CLIENT_MANAGER_MessageHandler host_handlers[] =
+static void
+handle_app_ego_end (void *cls,
+ const struct GNUNET_MessageHeader *msg)
{
- { host_recv_enter_ack, NULL,
- GNUNET_MESSAGE_TYPE_SOCIAL_HOST_ENTER_ACK,
- sizeof (struct GNUNET_PSYC_CountersResultMessage), GNUNET_NO },
-
- { host_recv_enter_request, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_JOIN_REQUEST,
- sizeof (struct GNUNET_PSYC_JoinRequestMessage), GNUNET_YES },
+ //struct GNUNET_SOCIAL_App *app = cls;
+}
- { host_recv_message, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_MESSAGE,
- sizeof (struct GNUNET_PSYC_MessageHeader), GNUNET_YES },
- { place_recv_message_ack, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_ACK,
- sizeof (struct GNUNET_MessageHeader), GNUNET_NO },
+static int
+check_app_place (void *cls,
+ const struct AppPlaceMessage *pmsg)
+{
+ return GNUNET_OK;
+}
- { place_recv_history_result, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_HISTORY_RESULT,
- sizeof (struct GNUNET_OperationResultMessage), GNUNET_YES },
- { place_recv_state_result, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_STATE_RESULT,
- sizeof (struct GNUNET_OperationResultMessage), GNUNET_YES },
+static void
+handle_app_place (void *cls,
+ const struct AppPlaceMessage *pmsg)
+{
+ struct GNUNET_SOCIAL_App *app = cls;
- { place_recv_result, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_RESULT_CODE,
- sizeof (struct GNUNET_OperationResultMessage), GNUNET_YES },
+ if ((GNUNET_YES == pmsg->is_host && NULL == app->host_cb)
+ || (GNUNET_NO == pmsg->is_host && NULL == app->guest_cb))
+ return;
- { place_recv_disconnect, NULL, 0, 0, GNUNET_NO },
+ struct GNUNET_HashCode ego_pub_hash;
+ GNUNET_CRYPTO_hash (&pmsg->ego_pub_key, sizeof (pmsg->ego_pub_key),
+ &ego_pub_hash);
+ struct GNUNET_SOCIAL_Ego *
+ ego = GNUNET_CONTAINER_multihashmap_get (app->egos, &ego_pub_hash);
+ if (NULL == ego)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failure to obtain ego %s.\n",
+ GNUNET_h2s (&ego_pub_hash));
+ GNUNET_break (0);
+ return;
+ }
- { NULL, NULL, 0, 0, GNUNET_NO }
-};
+ if (GNUNET_YES == pmsg->is_host)
+ {
+ if (NULL != app->host_cb) {
+ struct GNUNET_SOCIAL_HostConnection *hconn = GNUNET_malloc (sizeof (*hconn));
+ hconn->app = app;
+ hconn->plc_msg = *pmsg;
+ app->host_cb (app->cb_cls, hconn, ego, &pmsg->place_pub_key, pmsg->place_state);
+ GNUNET_free (hconn);
+ }
+ }
+ else if (NULL != app->guest_cb)
+ {
+ struct GNUNET_SOCIAL_GuestConnection *gconn = GNUNET_malloc (sizeof (*gconn));
+ gconn->app = app;
+ gconn->plc_msg = *pmsg;
+ app->guest_cb (app->cb_cls, gconn, ego, &pmsg->place_pub_key, pmsg->place_state);
+ GNUNET_free (gconn);
+ }
+}
-static struct GNUNET_CLIENT_MANAGER_MessageHandler guest_handlers[] =
+static void
+handle_app_place_end (void *cls,
+ const struct GNUNET_MessageHeader *msg)
{
- { guest_recv_enter_ack, NULL,
- GNUNET_MESSAGE_TYPE_SOCIAL_GUEST_ENTER_ACK,
- sizeof (struct GNUNET_PSYC_CountersResultMessage), GNUNET_NO },
-
- { host_recv_enter_request, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_JOIN_REQUEST,
- sizeof (struct GNUNET_PSYC_JoinRequestMessage), GNUNET_YES },
+ struct GNUNET_SOCIAL_App *app = cls;
- { place_recv_message, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_MESSAGE,
- sizeof (struct GNUNET_PSYC_MessageHeader), GNUNET_YES },
-
- { place_recv_message_ack, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_ACK,
- sizeof (struct GNUNET_MessageHeader), GNUNET_NO },
+ if (NULL != app->connected_cb)
+ app->connected_cb (app->cb_cls);
+}
- { guest_recv_join_decision, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_JOIN_DECISION,
- sizeof (struct GNUNET_PSYC_JoinDecisionMessage), GNUNET_YES },
- { place_recv_history_result, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_HISTORY_RESULT,
- sizeof (struct GNUNET_OperationResultMessage), GNUNET_YES },
+/**
+ * Handler for a #GNUNET_MESSAGE_TYPE_SOCIAL_PLACE_LEAVE_ACK message received
+ * from the social service.
+ *
+ * @param cls the place of type `struct GNUNET_SOCIAL_Place`
+ * @param msg the message received from the service
+ */
+static void
+handle_place_leave_ack (void *cls,
+ const struct GNUNET_MessageHeader *msg)
+{
+ struct GNUNET_SOCIAL_Place *plc = cls;
- { place_recv_state_result, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_STATE_RESULT,
- sizeof (struct GNUNET_OperationResultMessage), GNUNET_YES },
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s left place %p\n",
+ plc->is_host ? "host" : "guest",
+ plc);
+ place_disconnect (plc);
+}
- { place_recv_result, NULL,
- GNUNET_MESSAGE_TYPE_PSYC_RESULT_CODE,
- sizeof (struct GNUNET_OperationResultMessage), GNUNET_YES },
- { place_recv_disconnect, NULL, 0, 0, GNUNET_NO },
+/*** HOST ***/
- { NULL, NULL, 0, 0, GNUNET_NO }
-};
+static void
+host_connect (struct GNUNET_SOCIAL_Host *hst);
-static struct GNUNET_CLIENT_MANAGER_MessageHandler notify_handlers[] =
+static void
+host_reconnect (void *cls)
{
- { notify_recv_place_host, NULL,
- GNUNET_MESSAGE_TYPE_SOCIAL_HOST_ENTER,
- sizeof (struct HostEnterRequest), GNUNET_NO },
-
- { notify_recv_place_guest, NULL,
- GNUNET_MESSAGE_TYPE_SOCIAL_GUEST_ENTER,
- sizeof (struct GuestEnterRequest), GNUNET_YES },
-
- { NULL, NULL, 0, 0, GNUNET_NO }
-};
+ host_connect (cls);
+}
+/**
+ * Host client disconnected from service.
+ *
+ * Reconnect after backoff period.
+ */
static void
-place_cleanup (struct GNUNET_SOCIAL_Place *plc)
+host_disconnected (void *cls, enum GNUNET_MQ_Error error)
{
- if (NULL != plc->tmit)
- GNUNET_PSYC_transmit_destroy (plc->tmit);
- if (NULL != plc->recv)
- GNUNET_PSYC_receive_destroy (plc->recv);
- if (NULL != plc->connect_msg)
- GNUNET_free (plc->connect_msg);
- if (NULL != plc->disconnect_cb)
- plc->disconnect_cb (plc->disconnect_cls);
+ struct GNUNET_SOCIAL_Host *hst = cls;
+ struct GNUNET_SOCIAL_Place *plc = &hst->plc;
- if (NULL != core)
- {
- GNUNET_CORE_disconnect (core);
- core = NULL;
- }
- if (NULL != namestore)
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Host client disconnected (%d), re-connecting\n",
+ (int) error);
+ if (NULL != plc->tmit)
{
- GNUNET_NAMESTORE_disconnect (namestore);
- namestore = NULL;
+ GNUNET_PSYC_transmit_destroy (plc->tmit);
+ plc->tmit = NULL;
}
- if (NULL != gns)
+ if (NULL != plc->mq)
{
- GNUNET_GNS_disconnect (gns);
- gns = NULL;
+ GNUNET_MQ_destroy (plc->mq);
+ plc->mq = NULL;
}
-}
-
-static void
-host_cleanup (void *cls)
-{
- struct GNUNET_SOCIAL_Host *hst = cls;
- place_cleanup (&hst->plc);
- GNUNET_PSYC_receive_destroy (hst->recv);
- GNUNET_SOCIAL_slicer_destroy (hst->slicer);
- GNUNET_free (hst);
+ plc->reconnect_task = GNUNET_SCHEDULER_add_delayed (plc->reconnect_delay,
+ host_reconnect,
+ hst);
+ plc->reconnect_delay = GNUNET_TIME_STD_BACKOFF (plc->reconnect_delay);
}
static void
-guest_cleanup (void *cls)
+host_connect (struct GNUNET_SOCIAL_Host *hst)
{
- struct GNUNET_SOCIAL_Guest *gst = cls;
- place_cleanup (&gst->plc);
- GNUNET_free (gst);
-}
+ struct GNUNET_SOCIAL_Place *plc = &hst->plc;
+ struct GNUNET_MQ_MessageHandler handlers[] = {
+ GNUNET_MQ_hd_fixed_size (host_enter_ack,
+ GNUNET_MESSAGE_TYPE_SOCIAL_HOST_ENTER_ACK,
+ struct HostEnterAck,
+ hst),
+ GNUNET_MQ_hd_fixed_size (place_leave_ack,
+ GNUNET_MESSAGE_TYPE_SOCIAL_PLACE_LEAVE_ACK,
+ struct GNUNET_MessageHeader,
+ plc),
+ GNUNET_MQ_hd_var_size (host_enter_request,
+ GNUNET_MESSAGE_TYPE_PSYC_JOIN_REQUEST,
+ struct GNUNET_PSYC_JoinRequestMessage,
+ hst),
+ GNUNET_MQ_hd_var_size (host_message,
+ GNUNET_MESSAGE_TYPE_PSYC_MESSAGE,
+ struct GNUNET_PSYC_MessageHeader,
+ hst),
+ GNUNET_MQ_hd_fixed_size (place_message_ack,
+ GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_ACK,
+ struct GNUNET_MessageHeader,
+ plc),
+ GNUNET_MQ_hd_var_size (place_history_result,
+ GNUNET_MESSAGE_TYPE_PSYC_HISTORY_RESULT,
+ struct GNUNET_OperationResultMessage,
+ plc),
+ GNUNET_MQ_hd_var_size (place_state_result,
+ GNUNET_MESSAGE_TYPE_PSYC_STATE_RESULT,
+ struct GNUNET_OperationResultMessage,
+ plc),
+ GNUNET_MQ_hd_var_size (place_result,
+ GNUNET_MESSAGE_TYPE_PSYC_RESULT_CODE,
+ struct GNUNET_OperationResultMessage,
+ plc),
+ GNUNET_MQ_handler_end ()
+ };
+
+ plc->mq = GNUNET_CLIENT_connect (plc->cfg, "social",
+ handlers, host_disconnected, hst);
+ GNUNET_assert (NULL != plc->mq);
+ plc->tmit = GNUNET_PSYC_transmit_create (plc->mq);
+
+ GNUNET_MQ_send_copy (plc->mq, plc->connect_env);
+}
-/*** HOST ***/
/**
* Enter a place as host.
* A place is created upon first entering, and it is active until permanently
* left using GNUNET_SOCIAL_host_leave().
*
- * @param cfg
- * Configuration to contact the social service.
+ * @param app
+ * Application handle.
* @param ego
* Identity of the host.
- * @param place_key
- * Private-public key pair of the place.
- * NULL for ephemeral places.
* @param policy
* Policy specifying entry and history restrictions for the place.
* @param slicer
* Slicer to handle incoming messages.
+ * @param enter_cb
+ * Function called when the place is entered and ready to use.
* @param answer_door_cb
* Function to handle new nyms that want to enter.
* @param farewell_cb
* @param cls
* Closure for the callbacks.
*
- * @return Handle for the host.
+ * @return Handle for the host. This handle contains the pubkey.
*/
struct GNUNET_SOCIAL_Host *
-GNUNET_SOCIAL_host_enter (const struct GNUNET_CONFIGURATION_Handle *cfg,
- const struct GNUNET_IDENTITY_Ego *ego,
- const struct GNUNET_CRYPTO_EddsaPrivateKey *place_key,
+GNUNET_SOCIAL_host_enter (const struct GNUNET_SOCIAL_App *app,
+ const struct GNUNET_SOCIAL_Ego *ego,
enum GNUNET_PSYC_Policy policy,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_HostEnterCallback enter_cb,
GNUNET_SOCIAL_AnswerDoorCallback answer_door_cb,
GNUNET_SOCIAL_FarewellCallback farewell_cb,
{
struct GNUNET_SOCIAL_Host *hst = GNUNET_malloc (sizeof (*hst));
struct GNUNET_SOCIAL_Place *plc = &hst->plc;
- struct HostEnterRequest *req = GNUNET_malloc (sizeof (*req));
-
- if (NULL != place_key)
- {
- hst->place_key = *place_key;
- }
- else
- {
- struct GNUNET_CRYPTO_EddsaPrivateKey *
- ephemeral_key = GNUNET_CRYPTO_eddsa_key_create ();
- hst->place_key = *ephemeral_key;
- GNUNET_CRYPTO_eddsa_key_get_public (&hst->place_key, &plc->pub_key);
- GNUNET_CRYPTO_eddsa_key_clear (ephemeral_key);
- GNUNET_free (ephemeral_key);
- }
- plc->cfg = cfg;
+ plc->cfg = app->cfg;
plc->is_host = GNUNET_YES;
plc->slicer = slicer;
- plc->ego_key = *GNUNET_IDENTITY_ego_get_private_key (ego);
- GNUNET_CRYPTO_eddsa_key_get_public (place_key, &plc->pub_key);
-
hst->enter_cb = enter_cb;
hst->answer_door_cb = answer_door_cb;
hst->farewell_cb = farewell_cb;
hst->cb_cls = cls;
- plc->client = GNUNET_CLIENT_MANAGER_connect (cfg, "social", host_handlers);
- GNUNET_CLIENT_MANAGER_set_user_context_ (plc->client, hst, sizeof (*plc));
-
- plc->tmit = GNUNET_PSYC_transmit_create (plc->client);
- plc->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, plc->slicer);
+ plc->op = GNUNET_OP_create ();
- hst->slicer = GNUNET_SOCIAL_slicer_create ();
- GNUNET_SOCIAL_slicer_method_add (hst->slicer, "_notice_place_leave",
- host_recv_notice_place_leave_method,
- host_recv_notice_place_leave_modifier,
- NULL, host_recv_notice_place_leave_eom, hst);
- hst->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, hst->slicer);
+ hst->slicer = GNUNET_PSYC_slicer_create ();
+ GNUNET_PSYC_slicer_method_add (hst->slicer, "_notice_place_leave", NULL,
+ host_recv_notice_place_leave_method,
+ host_recv_notice_place_leave_modifier,
+ NULL, host_recv_notice_place_leave_eom, hst);
- req->header.size = htons (sizeof (*req));
- req->header.type = htons (GNUNET_MESSAGE_TYPE_SOCIAL_HOST_ENTER);
- req->policy = policy;
- req->place_key = hst->place_key;
- req->host_key = plc->ego_key;
-
- plc->connect_msg = (struct GNUNET_MessageHeader *) req;
- place_send_connect_msg (plc);
+ uint16_t app_id_size = strlen (app->id) + 1;
+ struct HostEnterRequest *hreq;
+ plc->connect_env = GNUNET_MQ_msg_extra (hreq, app_id_size,
+ GNUNET_MESSAGE_TYPE_SOCIAL_HOST_ENTER);
+ hreq->policy = policy;
+ hreq->ego_pub_key = ego->pub_key;
+ GNUNET_memcpy (&hreq[1], app->id, app_id_size);
+ host_connect (hst);
return hst;
}
/**
- * Enter a place as host.
- *
- * A place is created upon first entering, and it is active until permanently
- * left using GNUNET_SOCIAL_host_leave().
+ * Reconnect to an already entered place as host.
*
- * @param cfg
- * Configuration to contact the social service.
- * @param ego
- * Identity of the host.
- * @param gns_name
- * GNS name in the zone of the @a ego that contains the
- * public key of the place in a PLACE record.
- * @param policy
- * Policy specifying entry and history restrictions for the place.
+ * @param hconn
+ * Host connection handle.
+ * @see GNUNET_SOCIAL_app_connect() & GNUNET_SOCIAL_AppHostPlaceCallback()
* @param slicer
* Slicer to handle incoming messages.
+ * @param enter_cb
+ * Function called when the place is entered and ready to use.
* @param answer_door_cb
* Function to handle new nyms that want to enter.
* @param farewell_cb
*
* @return Handle for the host.
*/
-struct GNUNET_SOCIAL_Host *
-GNUNET_SOCIAL_host_enter_by_name (const struct GNUNET_CONFIGURATION_Handle *cfg,
- struct GNUNET_IDENTITY_Ego *ego,
- const char *gns_name,
- enum GNUNET_PSYC_Policy policy,
- struct GNUNET_SOCIAL_Slicer *slicer,
- GNUNET_SOCIAL_HostEnterCallback enter_cb,
- GNUNET_SOCIAL_AnswerDoorCallback answer_door_cb,
- GNUNET_SOCIAL_FarewellCallback farewell_cb,
- void *cls)
-{
- struct GNUNET_CRYPTO_EddsaPrivateKey place_key = {};
-
- /* FIXME:
- * 1. get public key by looking up PLACE entry under gns_name
- * in the zone of the ego.
- * 2. get private key from $GNUNET_DATA_HOME/social/places/PUB_KEY_HASH
- */
+ struct GNUNET_SOCIAL_Host *
+GNUNET_SOCIAL_host_enter_reconnect (struct GNUNET_SOCIAL_HostConnection *hconn,
+ struct GNUNET_PSYC_Slicer *slicer,
+ GNUNET_SOCIAL_HostEnterCallback enter_cb,
+ GNUNET_SOCIAL_AnswerDoorCallback answer_door_cb,
+ GNUNET_SOCIAL_FarewellCallback farewell_cb,
+ void *cls)
+{
+ struct GNUNET_SOCIAL_Host *hst = GNUNET_malloc (sizeof (*hst));
+ struct GNUNET_SOCIAL_Place *plc = &hst->plc;
+
+ hst->enter_cb = enter_cb;
+ hst->answer_door_cb = answer_door_cb;
+ hst->farewell_cb = farewell_cb;
+ hst->cb_cls = cls;
- return GNUNET_SOCIAL_host_enter (cfg, ego, &place_key, policy, slicer,
- enter_cb, answer_door_cb, farewell_cb, cls);
+ plc->cfg = hconn->app->cfg;
+ plc->is_host = GNUNET_YES;
+ plc->slicer = slicer;
+ plc->pub_key = hconn->plc_msg.place_pub_key;
+ plc->ego_pub_key = hconn->plc_msg.ego_pub_key;
+
+ plc->op = GNUNET_OP_create ();
+
+ hst->slicer = GNUNET_PSYC_slicer_create ();
+ GNUNET_PSYC_slicer_method_add (hst->slicer, "_notice_place_leave", NULL,
+ host_recv_notice_place_leave_method,
+ host_recv_notice_place_leave_modifier,
+ NULL, host_recv_notice_place_leave_eom, hst);
+
+ size_t app_id_size = strlen (hconn->app->id) + 1;
+ struct HostEnterRequest *hreq;
+ plc->connect_env = GNUNET_MQ_msg_extra (hreq, app_id_size,
+ GNUNET_MESSAGE_TYPE_SOCIAL_HOST_ENTER);
+ hreq->place_pub_key = hconn->plc_msg.place_pub_key;
+ hreq->ego_pub_key = hconn->plc_msg.ego_pub_key;
+ GNUNET_memcpy (&hreq[1], hconn->app->id, app_id_size);
+
+ host_connect (hst);
+ return hst;
}
int is_admitted,
const struct GNUNET_PSYC_Message *entry_resp)
{
+ struct GNUNET_SOCIAL_Place *plc = &hst->plc;
struct GNUNET_PSYC_JoinDecisionMessage *dcsn;
uint16_t entry_resp_size
= (NULL != entry_resp) ? ntohs (entry_resp->header.size) : 0;
if (GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD < sizeof (*dcsn) + entry_resp_size)
return GNUNET_SYSERR;
- dcsn = GNUNET_malloc (sizeof (*dcsn) + entry_resp_size);
- dcsn->header.size = htons (sizeof (*dcsn) + entry_resp_size);
- dcsn->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_JOIN_DECISION);
+ struct GNUNET_MQ_Envelope *
+ env = GNUNET_MQ_msg_extra (dcsn, entry_resp_size,
+ GNUNET_MESSAGE_TYPE_PSYC_JOIN_DECISION);
dcsn->is_admitted = htonl (is_admitted);
- dcsn->slave_key = nym->pub_key;
+ dcsn->slave_pub_key = nym->pub_key;
if (0 < entry_resp_size)
- memcpy (&dcsn[1], entry_resp, entry_resp_size);
+ GNUNET_memcpy (&dcsn[1], entry_resp, entry_resp_size);
- GNUNET_CLIENT_MANAGER_transmit (hst->plc.client, &dcsn->header);
+ GNUNET_MQ_send (plc->mq, env);
return GNUNET_OK;
}
* Host of the place.
* @param nym
* Handle for the entity to be ejected.
+ * @param env
+ * Environment for the message or NULL.
*/
void
GNUNET_SOCIAL_host_eject (struct GNUNET_SOCIAL_Host *hst,
- const struct GNUNET_SOCIAL_Nym *nym)
-{
- struct GNUNET_ENV_Environment *env = GNUNET_ENV_environment_create ();
- GNUNET_ENV_environment_add (env, GNUNET_ENV_OP_SET,
- "_nym", &nym->pub_key, sizeof (nym->pub_key));
+ const struct GNUNET_SOCIAL_Nym *nym,
+ struct GNUNET_PSYC_Environment *e)
+{
+ struct GNUNET_PSYC_Environment *env = e;
+ if (NULL == env)
+ env = GNUNET_PSYC_env_create ();
+ GNUNET_PSYC_env_add (env, GNUNET_PSYC_OP_SET,
+ "_nym", &nym->pub_key, sizeof (nym->pub_key));
GNUNET_SOCIAL_host_announce (hst, "_notice_place_leave", env, NULL, NULL,
GNUNET_SOCIAL_ANNOUNCE_NONE);
+ if (NULL == e)
+ GNUNET_PSYC_env_destroy (env);
}
/**
- * Get the public key of a @a nym.
+ * Get the public key of @a ego.
*
- * Suitable, for example, to be used with GNUNET_NAMESTORE_zone_to_name().
- *
- * @param nym
- * Pseudonym to map to a cryptographic identifier.
+ * @param ego
+ * Ego.
*
- * @return Public key of nym.
+ * @return Public key of ego.
*/
const struct GNUNET_CRYPTO_EcdsaPublicKey *
-GNUNET_SOCIAL_nym_get_key (const struct GNUNET_SOCIAL_Nym *nym)
+GNUNET_SOCIAL_ego_get_pub_key (const struct GNUNET_SOCIAL_Ego *ego)
{
- return &nym->pub_key;
+ return &ego->pub_key;
}
/**
- * Get the hash of the public key of a @a nym.
+ * Get the hash of the public key of @a ego.
*
- * @param nym
- * Pseudonym to map to a cryptographic identifier.
+ * @param ego
+ * Ego.
*
- * @return Hash of the public key of nym.
+ * @return Hash of the public key of @a ego.
*/
const struct GNUNET_HashCode *
-GNUNET_SOCIAL_nym_get_key_hash (const struct GNUNET_SOCIAL_Nym *nym)
+GNUNET_SOCIAL_ego_get_pub_key_hash (const struct GNUNET_SOCIAL_Ego *ego)
{
- return &nym->pub_key_hash;
+ return &ego->pub_key_hash;
}
/**
- * Obtain the private-public key pair of the hosted place.
- *
- * The public part is suitable for storing in GNS within a PLACE record,
- * along with peer IDs to join at.
+ * Get the name of @a ego.
*
- * @param host
- * Host of the place.
+ * @param ego
+ * Ego.
*
- * @return Private-public key pair of the hosted place.
+ * @return Public key of @a ego.
*/
-const struct GNUNET_CRYPTO_EddsaPrivateKey *
-GNUNET_SOCIAL_host_get_place_key (struct GNUNET_SOCIAL_Host *hst)
+const char *
+GNUNET_SOCIAL_ego_get_name (const struct GNUNET_SOCIAL_Ego *ego)
{
- return &hst->place_key;
+ return ego->name;
}
/**
- * Connected to core service.
+ * Get the public key of @a nym.
+ *
+ * Suitable, for example, to be used with GNUNET_SOCIAL_zone_add_nym().
+ *
+ * @param nym
+ * Pseudonym.
+ *
+ * @return Public key of @a nym.
*/
-static void
-core_connected_cb (void *cls, const struct GNUNET_PeerIdentity *my_identity)
+const struct GNUNET_CRYPTO_EcdsaPublicKey *
+GNUNET_SOCIAL_nym_get_pub_key (const struct GNUNET_SOCIAL_Nym *nym)
{
- this_peer = *my_identity;
- // FIXME
+ return &nym->pub_key;
}
/**
- * Advertise the place in the GNS zone of the @e ego of the @a host.
+ * Get the hash of the public key of @a nym.
*
- * @param hst
- * Host of the place.
- * @param name
- * The name for the PLACE record to put in the zone.
- * @param peer_count
- * Number of elements in the @a peers array.
- * @param peers
- * List of peers to put in the PLACE record to advertise
- * as entry points to the place in addition to the origin.
- * @param expiration_time
- * Expiration time of the record, use 0 to remove the record.
- * @param password
- * Password used to encrypt the record or NULL to keep it cleartext.
- * @param result_cb
- * Function called with the result of the operation.
- * @param result_cls
- * Closure for @a result_cb
+ * @param nym
+ * Pseudonym.
+ *
+ * @return Hash of the public key of @a nym.
*/
-void
-GNUNET_SOCIAL_host_advertise (struct GNUNET_SOCIAL_Host *hst,
- const char *name,
- uint32_t peer_count,
- const struct GNUNET_PeerIdentity *peers,
- struct GNUNET_TIME_Absolute expiration_time,
- const char *password,
- GNUNET_NAMESTORE_ContinuationWithStatus result_cb,
- void *result_cls)
+const struct GNUNET_HashCode *
+GNUNET_SOCIAL_nym_get_pub_key_hash (const struct GNUNET_SOCIAL_Nym *nym)
{
- struct GNUNET_SOCIAL_Place *plc = &hst->plc;
- if (NULL == namestore)
- namestore = GNUNET_NAMESTORE_connect (plc->cfg);
- if (NULL == core)
- core = GNUNET_CORE_connect (plc->cfg, NULL, core_connected_cb, NULL, NULL,
- NULL, GNUNET_NO, NULL, GNUNET_NO, NULL);
-
- struct GNUNET_GNSRECORD_Data rd = { };
- rd.record_type = GNUNET_GNSRECORD_TYPE_PLACE;
- rd.flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
- rd.expiration_time = expiration_time.abs_value_us;
-
- struct GNUNET_GNSRECORD_PlaceData *
- rec = GNUNET_malloc (sizeof (*rec) + peer_count * sizeof (*peers));
- rec->place_key = plc->pub_key;
- rec->origin = this_peer;
- rec->relay_count = htonl (peer_count);
- memcpy (&rec[1], peers, peer_count * sizeof (*peers));
-
- rd.data = rec;
- rd.data_size = sizeof (*rec) + peer_count * sizeof (*peers);
-
- GNUNET_NAMESTORE_records_store (namestore, &hst->plc.ego_key,
- name, 1, &rd, result_cb, result_cls);
+ return &nym->pub_key_hash;
}
struct GNUNET_SOCIAL_Announcement *
GNUNET_SOCIAL_host_announce (struct GNUNET_SOCIAL_Host *hst,
const char *method_name,
- const struct GNUNET_ENV_Environment *env,
+ const struct GNUNET_PSYC_Environment *env,
GNUNET_PSYC_TransmitNotifyData notify_data,
void *notify_data_cls,
enum GNUNET_SOCIAL_AnnounceFlags flags)
{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "PSYC_transmit_message for host, method: %s\n",
+ method_name);
if (GNUNET_OK ==
GNUNET_PSYC_transmit_message (hst->plc.tmit, method_name, env,
NULL, notify_data, notify_data_cls, flags))
/**
- * Stop hosting a place.
+ * Disconnect from a home.
*
* Invalidates host handle.
*
- * @param host Host leaving the place.
- * @param keep_active Keep the place active after last host disconnected.
+ * @param hst
+ * The host to disconnect.
*/
void
-GNUNET_SOCIAL_host_leave (struct GNUNET_SOCIAL_Host *hst,
- int keep_active,
- GNUNET_ContinuationCallback leave_cb,
- void *leave_cls)
+GNUNET_SOCIAL_host_disconnect (struct GNUNET_SOCIAL_Host *hst,
+ GNUNET_ContinuationCallback disconnect_cb,
+ void *cls)
{
struct GNUNET_SOCIAL_Place *plc = &hst->plc;
- /* FIXME: send msg to service */
+ plc->disconnect_cb = disconnect_cb;
+ plc->disconnect_cls = cls;
+ place_disconnect (plc);
+}
+
- plc->is_disconnecting = GNUNET_YES;
- plc->disconnect_cb = leave_cb;
- plc->disconnect_cls = leave_cls;
+/**
+ * Stop hosting the home.
+ *
+ * Sends a _notice_place_closing announcement to the home.
+ * Invalidates host handle.
+ *
+ * @param hst
+ * The host leaving.
+ * @param env
+ * Environment for the message or NULL.
+ * _nym is set to @e nym regardless whether an @e env is provided.
+ * @param disconnect_cb
+ * Function called after the host left the place
+ * and disconnected from the social service.
+ * @param cls
+ * Closure for @a disconnect_cb.
+ */
+void
+GNUNET_SOCIAL_host_leave (struct GNUNET_SOCIAL_Host *hst,
+ const struct GNUNET_PSYC_Environment *env,
+ GNUNET_ContinuationCallback disconnect_cb,
+ void *cls)
+{
+ struct GNUNET_MQ_Envelope *envelope;
- GNUNET_CLIENT_MANAGER_disconnect (plc->client, GNUNET_YES,
- &host_cleanup, hst);
+ GNUNET_SOCIAL_host_announce (hst, "_notice_place_closing", env, NULL, NULL,
+ GNUNET_SOCIAL_ANNOUNCE_NONE);
+ hst->plc.disconnect_cb = disconnect_cb;
+ hst->plc.disconnect_cls = cls;
+ envelope = GNUNET_MQ_msg_header (GNUNET_MESSAGE_TYPE_SOCIAL_PLACE_LEAVE);
+ GNUNET_MQ_send (hst->plc.mq,
+ envelope);
}
/*** GUEST ***/
-static struct GuestEnterRequest *
-guest_enter_request_create (const struct GNUNET_CRYPTO_EcdsaPrivateKey *guest_key,
- const struct GNUNET_CRYPTO_EddsaPublicKey *place_key,
+
+static void
+guest_connect (struct GNUNET_SOCIAL_Guest *gst);
+
+
+static void
+guest_reconnect (void *cls)
+{
+ guest_connect (cls);
+}
+
+
+/**
+ * Guest client disconnected from service.
+ *
+ * Reconnect after backoff period.
+ */
+static void
+guest_disconnected (void *cls, enum GNUNET_MQ_Error error)
+{
+ struct GNUNET_SOCIAL_Guest *gst = cls;
+ struct GNUNET_SOCIAL_Place *plc = &gst->plc;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Guest client disconnected (%d), re-connecting\n",
+ (int) error);
+ if (NULL != plc->tmit)
+ {
+ GNUNET_PSYC_transmit_destroy (plc->tmit);
+ plc->tmit = NULL;
+ }
+ if (NULL != plc->mq)
+ {
+ GNUNET_MQ_destroy (plc->mq);
+ plc->mq = NULL;
+ }
+
+ plc->reconnect_task = GNUNET_SCHEDULER_add_delayed (plc->reconnect_delay,
+ guest_reconnect,
+ gst);
+ plc->reconnect_delay = GNUNET_TIME_STD_BACKOFF (plc->reconnect_delay);
+}
+
+
+static void
+guest_connect (struct GNUNET_SOCIAL_Guest *gst)
+{
+ struct GNUNET_SOCIAL_Place *plc = &gst->plc;
+
+ struct GNUNET_MQ_MessageHandler handlers[] = {
+ GNUNET_MQ_hd_fixed_size (guest_enter_ack,
+ GNUNET_MESSAGE_TYPE_SOCIAL_GUEST_ENTER_ACK,
+ struct GNUNET_PSYC_CountersResultMessage,
+ gst),
+ GNUNET_MQ_hd_fixed_size (place_leave_ack,
+ GNUNET_MESSAGE_TYPE_SOCIAL_PLACE_LEAVE_ACK,
+ struct GNUNET_MessageHeader,
+ plc),
+ GNUNET_MQ_hd_var_size (guest_enter_decision,
+ GNUNET_MESSAGE_TYPE_PSYC_JOIN_DECISION,
+ struct GNUNET_PSYC_JoinDecisionMessage,
+ gst),
+ GNUNET_MQ_hd_var_size (place_message,
+ GNUNET_MESSAGE_TYPE_PSYC_MESSAGE,
+ struct GNUNET_PSYC_MessageHeader,
+ plc),
+ GNUNET_MQ_hd_fixed_size (place_message_ack,
+ GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_ACK,
+ struct GNUNET_MessageHeader,
+ plc),
+ GNUNET_MQ_hd_var_size (place_history_result,
+ GNUNET_MESSAGE_TYPE_PSYC_HISTORY_RESULT,
+ struct GNUNET_OperationResultMessage,
+ plc),
+ GNUNET_MQ_hd_var_size (place_state_result,
+ GNUNET_MESSAGE_TYPE_PSYC_STATE_RESULT,
+ struct GNUNET_OperationResultMessage,
+ plc),
+ GNUNET_MQ_hd_var_size (place_result,
+ GNUNET_MESSAGE_TYPE_PSYC_RESULT_CODE,
+ struct GNUNET_OperationResultMessage,
+ plc),
+ GNUNET_MQ_handler_end ()
+ };
+
+ plc->mq = GNUNET_CLIENT_connect (plc->cfg, "social",
+ handlers, guest_disconnected, gst);
+ GNUNET_assert (NULL != plc->mq);
+ plc->tmit = GNUNET_PSYC_transmit_create (plc->mq);
+
+ GNUNET_MQ_send_copy (plc->mq, plc->connect_env);
+}
+
+
+static struct GNUNET_MQ_Envelope *
+guest_enter_request_create (const char *app_id,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *ego_pub_key,
+ const struct GNUNET_CRYPTO_EddsaPublicKey *place_pub_key,
const struct GNUNET_PeerIdentity *origin,
size_t relay_count,
const struct GNUNET_PeerIdentity *relays,
const struct GNUNET_PSYC_Message *join_msg)
{
+ uint16_t app_id_size = strlen (app_id) + 1;
uint16_t join_msg_size = ntohs (join_msg->header.size);
uint16_t relay_size = relay_count * sizeof (*relays);
- struct GuestEnterRequest *
- req = GNUNET_malloc (sizeof (*req) + relay_size + join_msg_size);
+ struct GuestEnterRequest *greq;
+ struct GNUNET_MQ_Envelope *
+ env = GNUNET_MQ_msg_extra (greq, app_id_size + relay_size + join_msg_size,
+ GNUNET_MESSAGE_TYPE_SOCIAL_GUEST_ENTER);
+ greq->place_pub_key = *place_pub_key;
+ greq->ego_pub_key = *ego_pub_key;
+ greq->origin = *origin;
+ greq->relay_count = htonl (relay_count);
- req->header.size = htons (sizeof (*req) + relay_size + join_msg_size);
- req->header.type = htons (GNUNET_MESSAGE_TYPE_SOCIAL_GUEST_ENTER);
- req->place_key = *place_key;
- req->guest_key = *guest_key;
- req->origin = *origin;
- req->relay_count = htonl (relay_count);
+ char *p = (char *) &greq[1];
+ GNUNET_memcpy (p, app_id, app_id_size);
+ p += app_id_size;
- uint16_t p = sizeof (*req);
if (0 < relay_size)
{
- memcpy ((char *) req + p, relays, relay_size);
+ GNUNET_memcpy (p, relays, relay_size);
p += relay_size;
}
- memcpy ((char *) req + p, join_msg, join_msg_size);
- return req;
+ GNUNET_memcpy (p, join_msg, join_msg_size);
+ return env;
}
+
/**
* Request entry to a place as a guest.
*
- * @param cfg Configuration to contact the social service.
- * @param ego Identity of the guest.
- * @param crypto_address Public key of the place to enter.
- * @param origin Peer identity of the origin of the underlying multicast group.
- * @param relay_count Number of elements in the @a relays array.
- * @param relays Relays for the underlying multicast group.
- * @param method_name Method name for the message.
- * @param env Environment containing variables for the message, or NULL.
- * @param data Payload for the message to give to the enter callback.
- * @param data_size Number of bytes in @a data.
- * @param slicer Slicer to use for processing incoming requests from guests.
+ * @param app
+ * Application handle.
+ * @param ego
+ * Identity of the guest.
+ * @param place_pub_key
+ * Public key of the place to enter.
+ * @param flags
+ * Flags for the entry.
+ * @param origin
+ * Peer identity of the origin of the underlying multicast group.
+ * @param relay_count
+ * Number of elements in the @a relays array.
+ * @param relays
+ * Relays for the underlying multicast group.
+ * @param method_name
+ * Method name for the message.
+ * @param env
+ * Environment containing variables for the message, or NULL.
+ * @param data
+ * Payload for the message to give to the enter callback.
+ * @param data_size
+ * Number of bytes in @a data.
+ * @param slicer
+ * Slicer to use for processing incoming requests from guests.
*
* @return NULL on errors, otherwise handle for the guest.
*/
struct GNUNET_SOCIAL_Guest *
-GNUNET_SOCIAL_guest_enter (const struct GNUNET_CONFIGURATION_Handle *cfg,
- const struct GNUNET_IDENTITY_Ego *ego,
- const struct GNUNET_CRYPTO_EddsaPublicKey *place_key,
+GNUNET_SOCIAL_guest_enter (const struct GNUNET_SOCIAL_App *app,
+ const struct GNUNET_SOCIAL_Ego *ego,
+ const struct GNUNET_CRYPTO_EddsaPublicKey *place_pub_key,
+ enum GNUNET_PSYC_SlaveJoinFlags flags,
const struct GNUNET_PeerIdentity *origin,
uint32_t relay_count,
const struct GNUNET_PeerIdentity *relays,
- const struct GNUNET_PSYC_Message *join_msg,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ const struct GNUNET_PSYC_Message *entry_msg,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_GuestEnterCallback local_enter_cb,
GNUNET_SOCIAL_EntryDecisionCallback entry_dcsn_cb,
void *cls)
struct GNUNET_SOCIAL_Guest *gst = GNUNET_malloc (sizeof (*gst));
struct GNUNET_SOCIAL_Place *plc = &gst->plc;
- plc->ego_key = *GNUNET_IDENTITY_ego_get_private_key (ego);
- plc->pub_key = *place_key;
- plc->cfg = cfg;
- plc->is_host = GNUNET_YES;
+ plc->ego_pub_key = ego->pub_key;
+ plc->pub_key = *place_pub_key;
+ plc->cfg = app->cfg;
+ plc->is_host = GNUNET_NO;
plc->slicer = slicer;
+ plc->op = GNUNET_OP_create ();
+
+ plc->connect_env
+ = guest_enter_request_create (app->id, &ego->pub_key, &plc->pub_key,
+ origin, relay_count, relays, entry_msg);
+
gst->enter_cb = local_enter_cb;
gst->entry_dcsn_cb = entry_dcsn_cb;
gst->cb_cls = cls;
- plc->client = GNUNET_CLIENT_MANAGER_connect (cfg, "social", guest_handlers);
- GNUNET_CLIENT_MANAGER_set_user_context_ (plc->client, gst, sizeof (*plc));
-
- plc->tmit = GNUNET_PSYC_transmit_create (plc->client);
- plc->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, plc->slicer);
-
- struct GuestEnterRequest *
- req = guest_enter_request_create (&plc->ego_key, place_key, origin,
- relay_count, relays, join_msg);
- plc->connect_msg = &req->header;
- place_send_connect_msg (plc);
+ guest_connect (gst);
return gst;
}
-/**
- * Result of a GNS name lookup for entering a place.
- *
- * @see GNUNET_SOCIAL_guest_enter_by_name
- */
-static void
-gns_result_guest_enter (void *cls, uint32_t rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
-{
- struct GNUNET_SOCIAL_Guest *gst = cls;
- struct GNUNET_SOCIAL_Place *plc = &gst->plc;
-
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "%p GNS result: %u records.\n", gst, rd_count);
-
- const struct GNUNET_GNSRECORD_PlaceData *
- rec = (const struct GNUNET_GNSRECORD_PlaceData *) rd->data;
-
- if (0 == rd_count)
- {
- if (NULL != gst->enter_cb)
- gst->enter_cb (gst->cb_cls, GNUNET_SYSERR, 0);
- return;
- }
-
- if (rd->data_size < sizeof (*rec))
- {
- GNUNET_break_op (0);
- if (NULL != gst->enter_cb)
- gst->enter_cb (gst->cb_cls, GNUNET_SYSERR, 0);
- return;
- }
-
- uint16_t relay_count = ntohl (rec->relay_count);
- struct GNUNET_PeerIdentity *relays = NULL;
-
- if (0 < relay_count)
- {
- if (rd->data_size == sizeof (*rec) + relay_count * sizeof (struct GNUNET_PeerIdentity))
- {
- relays = (struct GNUNET_PeerIdentity *) &rec[1];
- }
- else
- {
- relay_count = 0;
- GNUNET_break_op (0);
- }
- }
-
- struct GuestEnterRequest *
- req = guest_enter_request_create (&plc->ego_key, &rec->place_key,
- &rec->origin, relay_count, relays,
- (struct GNUNET_PSYC_Message *) plc->connect_msg);
- GNUNET_free (plc->connect_msg);
- plc->connect_msg = &req->header;
- plc->pub_key = req->place_key;
-
- plc->tmit = GNUNET_PSYC_transmit_create (plc->client);
- plc->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, plc->slicer);
-
- place_send_connect_msg (plc);
-}
-
-
/**
* Request entry to a place by name as a guest.
*
- * @param cfg
- * Configuration to contact the social service.
+ * @param app
+ * Application handle.
* @param ego
* Identity of the guest.
* @param gns_name
* @param password
* Password to decrypt the record, or NULL for cleartext records.
* @param join_msg
- * Entry request message.
+ * Entry request message or NULL.
* @param slicer
* Slicer to use for processing incoming requests from guests.
* @param local_enter_cb
* @return NULL on errors, otherwise handle for the guest.
*/
struct GNUNET_SOCIAL_Guest *
-GNUNET_SOCIAL_guest_enter_by_name (const struct GNUNET_CONFIGURATION_Handle *cfg,
- const struct GNUNET_IDENTITY_Ego *ego,
- const char *gns_name, const char *password,
+GNUNET_SOCIAL_guest_enter_by_name (const struct GNUNET_SOCIAL_App *app,
+ const struct GNUNET_SOCIAL_Ego *ego,
+ const char *gns_name,
+ const char *password,
const struct GNUNET_PSYC_Message *join_msg,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_SOCIAL_GuestEnterCallback local_enter_cb,
GNUNET_SOCIAL_EntryDecisionCallback entry_decision_cb,
void *cls)
struct GNUNET_SOCIAL_Guest *gst = GNUNET_malloc (sizeof (*gst));
struct GNUNET_SOCIAL_Place *plc = &gst->plc;
- GNUNET_assert (NULL != join_msg);
+ if (NULL == password)
+ password = "";
+
+ uint16_t app_id_size = strlen (app->id) + 1;
+ uint16_t gns_name_size = strlen (gns_name) + 1;
+ uint16_t password_size = strlen (password) + 1;
+
+ uint16_t join_msg_size = 0;
+ if (NULL != join_msg)
+ join_msg_size = ntohs (join_msg->header.size);
+
+ struct GuestEnterByNameRequest *greq;
+ plc->connect_env
+ = GNUNET_MQ_msg_extra (greq, app_id_size + gns_name_size
+ + password_size + join_msg_size,
+ GNUNET_MESSAGE_TYPE_SOCIAL_GUEST_ENTER_BY_NAME);
+
+ greq->ego_pub_key = ego->pub_key;
+
+ char *p = (char *) &greq[1];
+ GNUNET_memcpy (p, app->id, app_id_size);
+ p += app_id_size;
+ GNUNET_memcpy (p, gns_name, gns_name_size);
+ p += gns_name_size;
+ GNUNET_memcpy (p, password, password_size);
+ p += password_size;
+ if (NULL != join_msg)
+ GNUNET_memcpy (p, join_msg, join_msg_size);
+
+ plc->ego_pub_key = ego->pub_key;
+ plc->cfg = app->cfg;
+ plc->is_host = GNUNET_NO;
+ plc->slicer = slicer;
+
+ plc->op = GNUNET_OP_create ();
gst->enter_cb = local_enter_cb;
gst->entry_dcsn_cb = entry_decision_cb;
gst->cb_cls = cls;
- plc->ego_key = *GNUNET_IDENTITY_ego_get_private_key (ego);
- plc->cfg = cfg;
+ guest_connect (gst);
+ return gst;
+}
+
+
+struct ReconnectContext
+{
+ struct GNUNET_SOCIAL_Guest *guest;
+ int *result;
+ int64_t *max_message_id;
+ GNUNET_SOCIAL_GuestEnterCallback enter_cb;
+ void *enter_cls;
+};
+
+
+static void
+guest_enter_reconnect_cb (void *cls,
+ int result,
+ const struct GNUNET_CRYPTO_EddsaPublicKey *place_pub_key,
+ uint64_t max_message_id)
+{
+ struct ReconnectContext *reconnect_ctx = cls;
+
+ GNUNET_assert (NULL != reconnect_ctx);
+ reconnect_ctx->result = GNUNET_new (int);
+ *(reconnect_ctx->result) = result;
+ reconnect_ctx->max_message_id = GNUNET_new (int64_t);
+ *(reconnect_ctx->max_message_id) = max_message_id;
+}
+
+
+static void
+guest_entry_dcsn_reconnect_cb (void *cls,
+ int is_admitted,
+ const struct GNUNET_PSYC_Message *entry_resp)
+{
+ struct ReconnectContext *reconnect_ctx = cls;
+ struct GNUNET_SOCIAL_Guest *gst = reconnect_ctx->guest;
+
+ GNUNET_assert (NULL != reconnect_ctx);
+ GNUNET_assert (NULL != reconnect_ctx->result);
+ GNUNET_assert (NULL != reconnect_ctx->max_message_id);
+ if (GNUNET_YES != is_admitted)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Guest was rejected after calling "
+ "GNUNET_SOCIAL_guest_enter_reconnect ()\n");
+ }
+ else if (NULL != reconnect_ctx->enter_cb)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "guest reconnected!\n");
+ reconnect_ctx->enter_cb (reconnect_ctx->enter_cls,
+ *(reconnect_ctx->result),
+ &gst->plc.pub_key,
+ *(reconnect_ctx->max_message_id));
+ }
+ GNUNET_free (reconnect_ctx->result);
+ GNUNET_free (reconnect_ctx->max_message_id);
+ GNUNET_free (reconnect_ctx);
+}
+
+
+/**
+ * Reconnect to an already entered place as guest.
+ *
+ * @param gconn
+ * Guest connection handle.
+ * @see GNUNET_SOCIAL_app_connect() & GNUNET_SOCIAL_AppGuestPlaceCallback()
+ * @param flags
+ * Flags for the entry.
+ * @param slicer
+ * Slicer to use for processing incoming requests from guests.
+ * @param enter_cb
+ * Called upon re-entering is complete.
+ * @param entry_decision_cb
+ * Called upon receiving entry decision.
+ *
+ * @return NULL on errors, otherwise handle for the guest.
+ */
+struct GNUNET_SOCIAL_Guest *
+GNUNET_SOCIAL_guest_enter_reconnect (struct GNUNET_SOCIAL_GuestConnection *gconn,
+ enum GNUNET_PSYC_SlaveJoinFlags flags,
+ struct GNUNET_PSYC_Slicer *slicer,
+ GNUNET_SOCIAL_GuestEnterCallback enter_cb,
+ void *cls)
+{
+ struct GNUNET_SOCIAL_Guest *gst = GNUNET_malloc (sizeof (*gst));
+ struct GNUNET_SOCIAL_Place *plc = &gst->plc;
+ struct ReconnectContext *reconnect_ctx;
+
+ uint16_t app_id_size = strlen (gconn->app->id) + 1;
+ struct GuestEnterRequest *greq;
+ plc->connect_env
+ = GNUNET_MQ_msg_extra (greq, app_id_size,
+ GNUNET_MESSAGE_TYPE_SOCIAL_GUEST_ENTER);
+ greq->ego_pub_key = gconn->plc_msg.ego_pub_key;
+ greq->place_pub_key = gconn->plc_msg.place_pub_key;
+ greq->flags = htonl (flags);
+
+ GNUNET_memcpy (&greq[1], gconn->app->id, app_id_size);
+
+ plc->cfg = gconn->app->cfg;
plc->is_host = GNUNET_NO;
plc->slicer = slicer;
+ plc->pub_key = gconn->plc_msg.place_pub_key;
+ plc->ego_pub_key = gconn->plc_msg.ego_pub_key;
- uint16_t join_msg_size = ntohs (join_msg->header.size);
- plc->connect_msg = GNUNET_malloc (join_msg_size);
- memcpy (plc->connect_msg, join_msg, join_msg_size);
-
- if (NULL == gns)
- gns = GNUNET_GNS_connect (cfg);
+ reconnect_ctx = GNUNET_new (struct ReconnectContext);
+ reconnect_ctx->guest = gst;
+ reconnect_ctx->enter_cb = enter_cb;
+ reconnect_ctx->enter_cls = cls;
- plc->client = GNUNET_CLIENT_MANAGER_connect (cfg, "social", guest_handlers);
- GNUNET_CLIENT_MANAGER_set_user_context_ (plc->client, gst, sizeof (*plc));
+ plc->op = GNUNET_OP_create ();
+ gst->enter_cb = &guest_enter_reconnect_cb;
+ gst->entry_dcsn_cb = &guest_entry_dcsn_reconnect_cb;
+ gst->cb_cls = reconnect_ctx;
- struct GNUNET_CRYPTO_EcdsaPublicKey ego_pub_key;
- GNUNET_IDENTITY_ego_get_public_key (ego, &ego_pub_key);
- GNUNET_GNS_lookup (gns, gns_name, &ego_pub_key,
- GNUNET_GNSRECORD_TYPE_PLACE, GNUNET_GNS_LO_DEFAULT,
- NULL, gns_result_guest_enter, gst);
+ guest_connect (gst);
return gst;
}
struct GNUNET_SOCIAL_TalkRequest *
GNUNET_SOCIAL_guest_talk (struct GNUNET_SOCIAL_Guest *gst,
const char *method_name,
- const struct GNUNET_ENV_Environment *env,
+ const struct GNUNET_PSYC_Environment *env,
GNUNET_PSYC_TransmitNotifyData notify_data,
void *notify_data_cls,
enum GNUNET_SOCIAL_TalkFlags flags)
}
+/**
+ * Disconnect from a place.
+ *
+ * Invalidates guest handle.
+ *
+ * @param gst
+ * The guest to disconnect.
+ */
+void
+GNUNET_SOCIAL_guest_disconnect (struct GNUNET_SOCIAL_Guest *gst,
+ GNUNET_ContinuationCallback disconnect_cb,
+ void *cls)
+{
+ struct GNUNET_SOCIAL_Place *plc = &gst->plc;
+
+ plc->disconnect_cb = disconnect_cb;
+ plc->disconnect_cls = cls;
+ place_disconnect (plc);
+}
+
+
/**
* Leave a place temporarily or permanently.
*
*/
void
GNUNET_SOCIAL_guest_leave (struct GNUNET_SOCIAL_Guest *gst,
- int keep_active,
- struct GNUNET_ENV_Environment *env,
- GNUNET_ContinuationCallback leave_cb,
- void *leave_cls)
+ struct GNUNET_PSYC_Environment *env,
+ GNUNET_ContinuationCallback disconnect_cb,
+ void *cls)
{
- struct GNUNET_SOCIAL_Place *plc = &gst->plc;
-
- plc->is_disconnecting = GNUNET_YES;
- plc->disconnect_cb = leave_cb;
- plc->disconnect_cls = leave_cls;
-
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Guest: leaving place.\n");
+ struct GNUNET_MQ_Envelope *envelope;
- if (GNUNET_NO == keep_active && NULL != plc->tmit)
- {
- GNUNET_SOCIAL_guest_talk (gst, "_notice_place_leave", env, NULL, NULL,
- GNUNET_SOCIAL_TALK_NONE);
- }
-
- GNUNET_CLIENT_MANAGER_disconnect (plc->client, GNUNET_YES,
- &guest_cleanup, gst);
+ GNUNET_SOCIAL_guest_talk (gst, "_notice_place_leave", env, NULL, NULL,
+ GNUNET_SOCIAL_TALK_NONE);
+ gst->plc.disconnect_cb = disconnect_cb;
+ gst->plc.disconnect_cls = cls;
+ envelope = GNUNET_MQ_msg_header (GNUNET_MESSAGE_TYPE_SOCIAL_PLACE_LEAVE);
+ GNUNET_MQ_send (gst->plc.mq,
+ envelope);
}
}
+/**
+ * Obtain the public key of a place.
+ *
+ * @param plc
+ * Place.
+ *
+ * @return Public key of the place.
+ */
+const struct GNUNET_CRYPTO_EddsaPublicKey *
+GNUNET_SOCIAL_place_get_pub_key (const struct GNUNET_SOCIAL_Place *plc)
+{
+ return &plc->pub_key;
+}
+
+
+/**
+ * Set message processing @a flags for a @a method_prefix.
+ *
+ * @param plc
+ * Place.
+ * @param method_prefix
+ * Method prefix @a flags apply to.
+ * @param flags
+ * The flags that apply to a matching @a method_prefix.
+ */
+void
+GNUNET_SOCIAL_place_msg_proc_set (struct GNUNET_SOCIAL_Place *plc,
+ const char *method_prefix,
+ enum GNUNET_SOCIAL_MsgProcFlags flags)
+{
+ GNUNET_assert (NULL != method_prefix);
+ struct MsgProcRequest *mpreq;
+ uint16_t method_size = strnlen (method_prefix,
+ GNUNET_MAX_MESSAGE_SIZE
+ - sizeof (*mpreq)) + 1;
+ GNUNET_assert ('\0' == method_prefix[method_size - 1]);
+
+ struct GNUNET_MQ_Envelope *
+ env = GNUNET_MQ_msg_extra (mpreq, method_size,
+ GNUNET_MESSAGE_TYPE_SOCIAL_MSG_PROC_SET);
+ mpreq->flags = htonl (flags);
+ GNUNET_memcpy (&mpreq[1], method_prefix, method_size);
+
+ GNUNET_MQ_send (plc->mq, env);
+}
+
+
+/**
+ * Clear all message processing flags previously set for this place.
+ */
+void
+GNUNET_SOCIAL_place_msg_proc_clear (struct GNUNET_SOCIAL_Place *plc)
+{
+ struct GNUNET_MessageHeader *req;
+ struct GNUNET_MQ_Envelope *
+ env = GNUNET_MQ_msg (req, GNUNET_MESSAGE_TYPE_SOCIAL_MSG_PROC_CLEAR);
+
+ GNUNET_MQ_send (plc->mq, env);
+}
+
+
static struct GNUNET_SOCIAL_HistoryRequest *
place_history_replay (struct GNUNET_SOCIAL_Place *plc,
uint64_t start_message_id,
uint64_t message_limit,
const char *method_prefix,
uint32_t flags,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_ResultCallback result_cb,
void *cls)
{
struct GNUNET_PSYC_HistoryRequestMessage *req;
struct GNUNET_SOCIAL_HistoryRequest *hist = GNUNET_malloc (sizeof (*hist));
hist->plc = plc;
- hist->recv = GNUNET_PSYC_receive_create (NULL, slicer_message, slicer);
+ hist->slicer = slicer;
hist->result_cb = result_cb;
hist->cls = cls;
- hist->op_id = GNUNET_CLIENT_MANAGER_op_add (plc->client,
- &op_recv_history_result, hist);
+ hist->op_id = GNUNET_OP_add (plc->op, op_recv_history_result, hist, NULL);
GNUNET_assert (NULL != method_prefix);
uint16_t method_size = strnlen (method_prefix,
- GNUNET_SERVER_MAX_MESSAGE_SIZE
+ GNUNET_MAX_MESSAGE_SIZE
- sizeof (*req)) + 1;
GNUNET_assert ('\0' == method_prefix[method_size - 1]);
- req = GNUNET_malloc (sizeof (*req) + method_size);
- req->header.type = htons (GNUNET_MESSAGE_TYPE_PSYC_HISTORY_REPLAY);
- req->header.size = htons (sizeof (*req) + method_size);
+
+ struct GNUNET_MQ_Envelope *
+ env = GNUNET_MQ_msg_extra (req, method_size,
+ GNUNET_MESSAGE_TYPE_PSYC_HISTORY_REPLAY);
req->start_message_id = GNUNET_htonll (start_message_id);
req->end_message_id = GNUNET_htonll (end_message_id);
req->message_limit = GNUNET_htonll (message_limit);
req->flags = htonl (flags);
req->op_id = GNUNET_htonll (hist->op_id);
- memcpy (&req[1], method_prefix, method_size);
+ GNUNET_memcpy (&req[1], method_prefix, method_size);
- GNUNET_CLIENT_MANAGER_transmit (plc->client, &req->header);
+ GNUNET_MQ_send (plc->mq, env);
return hist;
}
uint64_t end_message_id,
const char *method_prefix,
uint32_t flags,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_ResultCallback result_cb,
void *cls)
{
uint64_t message_limit,
const char *method_prefix,
uint32_t flags,
- struct GNUNET_SOCIAL_Slicer *slicer,
+ struct GNUNET_PSYC_Slicer *slicer,
GNUNET_ResultCallback result_cb,
void *cls)
{
void
GNUNET_SOCIAL_place_history_replay_cancel (struct GNUNET_SOCIAL_HistoryRequest *hist)
{
- GNUNET_PSYC_receive_destroy (hist->recv);
- GNUNET_CLIENT_MANAGER_op_cancel (hist->plc->client, hist->op_id);
+ GNUNET_OP_remove (hist->plc->op, hist->op_id);
GNUNET_free (hist);
}
look->var_cb = var_cb;
look->result_cb = result_cb;
look->cls = cls;
- look->op_id = GNUNET_CLIENT_MANAGER_op_add (plc->client,
- &op_recv_state_result, look);
+ look->op_id = GNUNET_OP_add (plc->op, &op_recv_state_result, look, NULL);
GNUNET_assert (NULL != name);
- size_t name_size = strnlen (name, GNUNET_SERVER_MAX_MESSAGE_SIZE
+ size_t name_size = strnlen (name, GNUNET_MAX_MESSAGE_SIZE
- sizeof (*req)) + 1;
- req = GNUNET_malloc (sizeof (*req) + name_size);
- req->header.type = htons (type);
- req->header.size = htons (sizeof (*req) + name_size);
+ struct GNUNET_MQ_Envelope *
+ env = GNUNET_MQ_msg_extra (req, name_size, type);
req->op_id = GNUNET_htonll (look->op_id);
- memcpy (&req[1], name, name_size);
+ GNUNET_memcpy (&req[1], name, name_size);
- GNUNET_CLIENT_MANAGER_transmit (plc->client, &req->header);
+ GNUNET_MQ_send (plc->mq, env);
return look;
}
void
GNUNET_SOCIAL_place_look_cancel (struct GNUNET_SOCIAL_LookHandle *look)
{
- GNUNET_CLIENT_MANAGER_op_cancel (look->plc->client, look->op_id);
+ GNUNET_OP_remove (look->plc->op, look->op_id);
GNUNET_free (look);
}
+static void
+op_recv_zone_add_place_result (void *cls, int64_t result,
+ const void *err_msg, uint16_t err_msg_size)
+{
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Received zone add place result: %" PRId64 ".\n", result);
+
+ struct ZoneAddPlaceHandle *add_plc = cls;
+ if (NULL != add_plc->result_cb)
+ add_plc->result_cb (add_plc->result_cls, result, err_msg, err_msg_size);
+
+ GNUNET_free (add_plc);
+}
+
+
+/**
+ * Advertise @e place in the GNS zone of @e ego.
+ *
+ * @param app
+ * Application handle.
+ * @param ego
+ * Ego.
+ * @param place_pub_key
+ * Public key of place to add.
+ * @param name
+ * The name for the PLACE record to put in the zone.
+ * @param password
+ * Password used to encrypt the record or NULL to keep it cleartext.
+ * @param relay_count
+ * Number of elements in the @a relays array.
+ * @param relays
+ * List of relays to put in the PLACE record to advertise
+ * as entry points to the place in addition to the origin.
+ * @param expiration_time
+ * Expiration time of the record, use 0 to remove the record.
+ * @param result_cb
+ * Function called with the result of the operation.
+ * @param result_cls
+ * Closure for @a result_cb
+ *
+ * @return #GNUNET_OK if the request was sent,
+ * #GNUNET_SYSERR on error, e.g. the name/password is too long.
+ */
+int
+GNUNET_SOCIAL_zone_add_place (const struct GNUNET_SOCIAL_App *app,
+ const struct GNUNET_SOCIAL_Ego *ego,
+ const char *name,
+ const char *password,
+ const struct GNUNET_CRYPTO_EddsaPublicKey *place_pub_key,
+ const struct GNUNET_PeerIdentity *origin,
+ uint32_t relay_count,
+ const struct GNUNET_PeerIdentity *relays,
+ struct GNUNET_TIME_Absolute expiration_time,
+ GNUNET_ResultCallback result_cb,
+ void *result_cls)
+{
+ struct ZoneAddPlaceRequest *preq;
+ size_t name_size = strlen (name) + 1;
+ size_t password_size = strlen (password) + 1;
+ size_t relay_size = relay_count * sizeof (*relays);
+ size_t payload_size = name_size + password_size + relay_size;
+
+ if (GNUNET_MAX_MESSAGE_SIZE < sizeof (*preq) + payload_size)
+ return GNUNET_SYSERR;
+
+ struct GNUNET_MQ_Envelope *
+ env = GNUNET_MQ_msg_extra (preq, payload_size,
+ GNUNET_MESSAGE_TYPE_SOCIAL_ZONE_ADD_PLACE);
+ preq->expiration_time = GNUNET_htonll (expiration_time.abs_value_us);
+ preq->ego_pub_key = ego->pub_key;
+ preq->place_pub_key = *place_pub_key;
+ preq->origin = *origin;
+ preq->relay_count = htonl (relay_count);
+
+ char *p = (char *) &preq[1];
+ GNUNET_memcpy (p, name, name_size);
+ p += name_size;
+ GNUNET_memcpy (p, password, password_size);
+ p += password_size;
+ GNUNET_memcpy (p, relays, relay_size);
+
+ struct ZoneAddPlaceHandle * add_plc = GNUNET_malloc (sizeof (*add_plc));
+ add_plc->result_cb = result_cb;
+ add_plc->result_cls = result_cls;
+
+ preq->op_id = GNUNET_htonll (GNUNET_OP_add (app->op,
+ op_recv_zone_add_place_result,
+ add_plc, NULL));
+
+ GNUNET_MQ_send (app->mq, env);
+ return GNUNET_OK;
+}
+
+
+static void
+op_recv_zone_add_nym_result (void *cls, int64_t result,
+ const void *err_msg, uint16_t err_msg_size)
+{
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Received zone add nym result: %" PRId64 ".\n", result);
+
+ struct ZoneAddNymHandle *add_nym = cls;
+ if (NULL != add_nym->result_cb)
+ add_nym->result_cb (add_nym->result_cls, result, err_msg, err_msg_size);
+
+ GNUNET_free (add_nym);
+}
+
+
/**
- * Add public key to the GNS zone of the @e ego.
+ * Add nym to the GNS zone of @e ego.
*
* @param cfg
* Configuration.
* Function called with the result of the operation.
* @param result_cls
* Closure for @a result_cb
+ *
+ * @return #GNUNET_OK if the request was sent,
+ * #GNUNET_SYSERR on error, e.g. the name is too long.
*/
-void
-GNUNET_SOCIAL_zone_add_pkey (const struct GNUNET_CONFIGURATION_Handle *cfg,
- const struct GNUNET_IDENTITY_Ego *ego,
- const char *name,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *nym_pub_key,
- struct GNUNET_TIME_Absolute expiration_time,
- GNUNET_NAMESTORE_ContinuationWithStatus result_cb,
- void *result_cls)
+int
+GNUNET_SOCIAL_zone_add_nym (const struct GNUNET_SOCIAL_App *app,
+ const struct GNUNET_SOCIAL_Ego *ego,
+ const char *name,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *nym_pub_key,
+ struct GNUNET_TIME_Absolute expiration_time,
+ GNUNET_ResultCallback result_cb,
+ void *result_cls)
+{
+ struct ZoneAddNymRequest *nreq;
+
+ size_t name_size = strlen (name) + 1;
+ if (GNUNET_MAX_MESSAGE_SIZE < sizeof (*nreq) + name_size)
+ return GNUNET_SYSERR;
+
+ struct GNUNET_MQ_Envelope *
+ env = GNUNET_MQ_msg_extra (nreq, name_size,
+ GNUNET_MESSAGE_TYPE_SOCIAL_ZONE_ADD_NYM);
+ nreq->expiration_time = GNUNET_htonll (expiration_time.abs_value_us);
+ nreq->ego_pub_key = ego->pub_key;
+ nreq->nym_pub_key = *nym_pub_key;
+ GNUNET_memcpy (&nreq[1], name, name_size);
+
+ struct ZoneAddNymHandle *add_nym = GNUNET_malloc (sizeof (*add_nym));
+ add_nym->result_cb = result_cb;
+ add_nym->result_cls = result_cls;
+
+ nreq->op_id = GNUNET_htonll (GNUNET_OP_add (app->op,
+ op_recv_zone_add_nym_result,
+ add_nym, NULL));
+
+ GNUNET_MQ_send (app->mq, env);
+ return GNUNET_OK;
+}
+
+
+/*** APP ***/
+
+
+static void
+app_connect (struct GNUNET_SOCIAL_App *app);
+
+
+static void
+app_reconnect (void *cls)
{
- if (NULL == namestore)
- namestore = GNUNET_NAMESTORE_connect (cfg);
+ app_connect (cls);
+}
+
+
+/**
+ * App client disconnected from service.
+ *
+ * Reconnect after backoff period.
+ */
+static void
+app_disconnected (void *cls, enum GNUNET_MQ_Error error)
+{
+ struct GNUNET_SOCIAL_App *app = cls;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "App client disconnected (%d), re-connecting\n",
+ (int) error);
+ if (NULL != app->mq)
+ {
+ GNUNET_MQ_destroy (app->mq);
+ app->mq = NULL;
+ }
+
+ app->reconnect_task = GNUNET_SCHEDULER_add_delayed (app->reconnect_delay,
+ app_reconnect,
+ app);
+ app->reconnect_delay = GNUNET_TIME_STD_BACKOFF (app->reconnect_delay);
+}
- struct GNUNET_GNSRECORD_Data rd = { };
- rd.record_type = GNUNET_GNSRECORD_TYPE_PKEY;
- rd.flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
- rd.expiration_time = expiration_time.abs_value_us;
- rd.data = nym_pub_key;
- rd.data_size = sizeof (*nym_pub_key);
- GNUNET_NAMESTORE_records_store (namestore,
- GNUNET_IDENTITY_ego_get_private_key (ego),
- name, 1, &rd, result_cb, result_cls);
+static void
+app_connect (struct GNUNET_SOCIAL_App *app)
+{
+ struct GNUNET_MQ_MessageHandler handlers[] = {
+ GNUNET_MQ_hd_var_size (app_ego,
+ GNUNET_MESSAGE_TYPE_SOCIAL_APP_EGO,
+ struct AppEgoMessage,
+ app),
+ GNUNET_MQ_hd_fixed_size (app_ego_end,
+ GNUNET_MESSAGE_TYPE_SOCIAL_APP_EGO_END,
+ struct GNUNET_MessageHeader,
+ app),
+ GNUNET_MQ_hd_var_size (app_place,
+ GNUNET_MESSAGE_TYPE_SOCIAL_APP_PLACE,
+ struct AppPlaceMessage,
+ app),
+ GNUNET_MQ_hd_fixed_size (app_place_end,
+ GNUNET_MESSAGE_TYPE_SOCIAL_APP_PLACE_END,
+ struct GNUNET_MessageHeader,
+ app),
+ GNUNET_MQ_hd_var_size (app_result,
+ GNUNET_MESSAGE_TYPE_PSYC_RESULT_CODE,
+ struct GNUNET_OperationResultMessage,
+ app),
+ GNUNET_MQ_handler_end ()
+ };
+
+ app->mq = GNUNET_CLIENT_connect (app->cfg, "social",
+ handlers, app_disconnected, app);
+ GNUNET_assert (NULL != app->mq);
+ GNUNET_MQ_send_copy (app->mq, app->connect_env);
}
/**
- * Start listening for entered places as host or guest.
+ * Connect application to the social service.
*
- * The @notify_host and @notify_guest functions are
- * initially called with the full list of entered places,
- * then later each time a new place is entered.
+ * The @host_place_cb and @guest_place_cb functions are
+ * initially called for each entered places,
+ * then later each time a new place is entered with the current application ID.
*
* @param cfg
* Configuration.
- * @param ego
- * Listen for places of this ego.
- * @param notify_host
+ * @param id
+ * Application ID.
+ * @param ego_cb
+ * Function to notify about an available ego.
+ * @param host_cb
* Function to notify about a place entered as host.
- * @param notify_guest
- * Function to notify about a place entered as guest..
- * @param notify_cls
+ * @param guest_cb
+ * Function to notify about a place entered as guest.
+ * @param cls
* Closure for the callbacks.
*
* @return Handle that can be used to stop listening.
*/
-struct GNUNET_SOCIAL_PlaceListenHandle *
-GNUNET_SOCIAL_place_listen_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
- const struct GNUNET_IDENTITY_Ego *ego,
- GNUNET_SOCIAL_PlaceNotifyHostCallback notify_host,
- GNUNET_SOCIAL_PlaceNotifyGuestCallback notify_guest,
- void *notify_cls)
+struct GNUNET_SOCIAL_App *
+GNUNET_SOCIAL_app_connect (const struct GNUNET_CONFIGURATION_Handle *cfg,
+ const char *id,
+ GNUNET_SOCIAL_AppEgoCallback ego_cb,
+ GNUNET_SOCIAL_AppHostPlaceCallback host_cb,
+ GNUNET_SOCIAL_AppGuestPlaceCallback guest_cb,
+ GNUNET_SOCIAL_AppConnectedCallback connected_cb,
+ void *cls)
{
- struct GNUNET_SOCIAL_PlaceListenHandle *pl = GNUNET_malloc (sizeof *pl);
- pl->notify_host = notify_host;
- pl->notify_guest = notify_guest;
- pl->notify_cls = notify_cls;
+ uint16_t app_id_size = strnlen (id, GNUNET_SOCIAL_APP_MAX_ID_SIZE);
+ if (GNUNET_SOCIAL_APP_MAX_ID_SIZE == app_id_size)
+ return NULL;
+ app_id_size++;
+
+ struct GNUNET_SOCIAL_App *app = GNUNET_malloc (sizeof *app);
+ app->cfg = cfg;
+ app->ego_cb = ego_cb;
+ app->host_cb = host_cb;
+ app->guest_cb = guest_cb;
+ app->connected_cb = connected_cb;
+ app->cb_cls = cls;
+ app->egos = GNUNET_CONTAINER_multihashmap_create (1, GNUNET_NO);
+ app->op = GNUNET_OP_create ();
+ app->id = GNUNET_malloc (app_id_size);
+ GNUNET_memcpy (app->id, id, app_id_size);
- struct GNUNET_SOCIAL_Place *plc = &pl->plc;
+ struct AppConnectRequest *creq;
+ app->connect_env = GNUNET_MQ_msg_extra (creq, app_id_size,
+ GNUNET_MESSAGE_TYPE_SOCIAL_APP_CONNECT);
+ GNUNET_memcpy (&creq[1], app->id, app_id_size);
- plc->ego_key = *GNUNET_IDENTITY_ego_get_private_key (ego);
- plc->cfg = cfg;
- plc->client = GNUNET_CLIENT_MANAGER_connect (cfg, "social",
- notify_handlers);
- GNUNET_CLIENT_MANAGER_set_user_context_ (plc->client, pl, sizeof (*pl));
+ app_connect (app);
+ return app;
+}
+
+
+static void
+app_cleanup (struct GNUNET_SOCIAL_App *app)
+{
+ if (NULL != app->mq)
+ {
+ GNUNET_MQ_destroy (app->mq);
+ app->mq = NULL;
+ }
+ if (NULL != app->disconnect_cb)
+ {
+ app->disconnect_cb (app->disconnect_cls);
+ app->disconnect_cb = NULL;
+ }
+ GNUNET_free (app);
+}
- struct PlaceListenRequest *req = GNUNET_malloc (sizeof (*req));
- req->ego_key = plc->ego_key;
- req->header.type = htons (GNUNET_MESSAGE_TYPE_SOCIAL_PLACE_LISTEN);
- req->header.size = htons (sizeof (*req));
+/**
+ * Disconnect application.
+ *
+ * @param app
+ * Application handle.
+ * @param disconnect_cb
+ * Disconnect callback.
+ * @param disconnect_cls
+ * Disconnect closure.
+ */
+void
+GNUNET_SOCIAL_app_disconnect (struct GNUNET_SOCIAL_App *app,
+ GNUNET_ContinuationCallback disconnect_cb,
+ void *disconnect_cls)
+{
+ if (NULL == app) return;
- plc->connect_msg = (struct GNUNET_MessageHeader *) req;
- place_send_connect_msg (plc);
+ app->disconnect_cb = disconnect_cb;
+ app->disconnect_cls = disconnect_cls;
- return pl;
+ if (NULL != app->mq)
+ {
+ struct GNUNET_MQ_Envelope *env = GNUNET_MQ_get_last_envelope (app->mq);
+ if (NULL != env)
+ {
+ GNUNET_MQ_notify_sent (env, (GNUNET_SCHEDULER_TaskCallback) app_cleanup, app);
+ }
+ else
+ {
+ app_cleanup (app);
+ }
+ }
+ else
+ {
+ app_cleanup (app);
+ }
}
/**
- * Stop listening for entered places.
+ * Detach application from a place.
*
- * @param pl
- * Place listen handle.
+ * Removes the place from the entered places list for this application.
+ * Note: this does not disconnect from the place.
+ *
+ * @see GNUNET_SOCIAL_host_disconnect() and GNUNET_SOCIAL_guest_disconnect()
+ *
+ * @param app
+ * Application.
+ * @param plc
+ * Place.
*/
void
-GNUNET_SOCIAL_place_listen_stop (struct GNUNET_SOCIAL_PlaceListenHandle *pl)
+GNUNET_SOCIAL_app_detach (struct GNUNET_SOCIAL_App *app,
+ struct GNUNET_SOCIAL_Place *plc)
{
- GNUNET_CLIENT_MANAGER_disconnect (pl->plc.client, GNUNET_NO, NULL, NULL);
+ struct AppDetachRequest *dreq;
+ struct GNUNET_MQ_Envelope *
+ env = GNUNET_MQ_msg (dreq, GNUNET_MESSAGE_TYPE_SOCIAL_APP_DETACH);
+ dreq->place_pub_key = plc->pub_key;
+ dreq->ego_pub_key = plc->ego_pub_key;
+
+ GNUNET_MQ_send (app->mq, env);
}
+
/* end of social_api.c */
projects / oweals / gnunet.git / blobdiff