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-rw-r--r--src/transport/transport-testing2.c923
1 files changed, 923 insertions, 0 deletions
diff --git a/src/transport/transport-testing2.c b/src/transport/transport-testing2.c
new file mode 100644
index 000000000..ca338c52f
--- /dev/null
+++ b/src/transport/transport-testing2.c
@@ -0,0 +1,923 @@
+/*
+ This file is part of GNUnet.
+ Copyright (C) 2006, 2009, 2015, 2016 GNUnet e.V.
+
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/**
+ * @file transport-testing.c
+ * @brief testing lib for transport service
+ * @author Matthias Wachs
+ * @author Christian Grothoff
+ */
+#include "transport-testing2.h"
+
+
+#define LOG(kind, ...) GNUNET_log_from (kind, "transport-testing", __VA_ARGS__)
+
+
+static struct GNUNET_TRANSPORT_TESTING_PeerContext *
+find_peer_context (struct GNUNET_TRANSPORT_TESTING_Handle *tth,
+ const struct GNUNET_PeerIdentity *peer)
+{
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *t;
+
+ for (t = tth->p_head; NULL != t; t = t->next)
+ if (0 == memcmp (&t->id,
+ peer,
+ sizeof(struct GNUNET_PeerIdentity)))
+ return t;
+ return NULL;
+}
+
+
+/**
+ * Find any connecting context matching the given pair of peers.
+ *
+ * @param p1 first peer
+ * @param p2 second peer
+ * @param cb function to call
+ * @param cb_cls closure for @a cb
+ */
+void
+GNUNET_TRANSPORT_TESTING_find_connecting_context (struct
+ GNUNET_TRANSPORT_TESTING_PeerContext
+ *p1,
+ struct
+ GNUNET_TRANSPORT_TESTING_PeerContext
+ *p2,
+ GNUNET_TRANSPORT_TESTING_ConnectContextCallback
+ cb,
+ void *cb_cls)
+{
+ struct GNUNET_TRANSPORT_TESTING_Handle *tth = p1->tth;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *ccn;
+
+ for (cc = tth->cc_head; NULL != cc; cc = ccn)
+ {
+ ccn = cc->next;
+ if ((cc->p1 == p1) &&
+ (cc->p2 == p2))
+ cb (cb_cls,
+ cc);
+ }
+}
+
+
+static void
+set_p1c (void *cls,
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cx)
+{
+ int *found = cls;
+
+ if (NULL != found)
+ *found = GNUNET_YES;
+ cx->p1_c = GNUNET_YES;
+}
+
+
+static void
+set_mq (void *cls,
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cx)
+{
+ struct GNUNET_MQ_Handle *mq = cls;
+
+ cx->mq = mq;
+}
+
+
+static void
+set_p2c (void *cls,
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cx)
+{
+ int *found = cls;
+
+ if (NULL != found)
+ *found = GNUNET_YES;
+ cx->p2_c = GNUNET_YES;
+}
+
+
+static void
+clear_p1c (void *cls,
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cx)
+{
+ int *found = cls;
+
+ if (NULL != found)
+ *found = GNUNET_YES;
+ cx->p1_c = GNUNET_NO;
+}
+
+
+static void
+clear_p2c (void *cls,
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cx)
+{
+ int *found = cls;
+
+ if (NULL != found)
+ *found = GNUNET_YES;
+ cx->p2_c = GNUNET_NO;
+}
+
+
+static void *
+notify_connect (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ struct GNUNET_MQ_Handle *mq)
+{
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *p = cls;
+ struct GNUNET_TRANSPORT_TESTING_Handle *tth = p->tth;
+ char *p2_s;
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *p2;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *ccn;
+ int found;
+ void *ret;
+
+ p2 = find_peer_context (p->tth,
+ peer);
+ if (NULL != p->nc)
+ ret = p->nc (p->cb_cls,
+ peer,
+ mq);
+ else
+ ret = NULL;
+
+ if (NULL != p2)
+ GNUNET_asprintf (&p2_s,
+ "%u (`%s')",
+ p2->no,
+ GNUNET_i2s (&p2->id));
+ else
+ GNUNET_asprintf (&p2_s,
+ "`%s'",
+ GNUNET_i2s (peer));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peers %s connected to peer %u (`%s')\n",
+ p2_s,
+ p->no,
+ GNUNET_i2s (&p->id));
+ GNUNET_free (p2_s);
+ /* update flags in connecting contexts */
+ found = GNUNET_NO;
+ GNUNET_TRANSPORT_TESTING_find_connecting_context (p,
+ p2,
+ &set_p1c,
+ &found);
+ if (GNUNET_NO == found)
+ {
+ cc = GNUNET_new (struct GNUNET_TRANSPORT_TESTING_ConnectRequest);
+ cc->p1 = p;
+ cc->p2 = p2;
+ cc->p1_c = GNUNET_YES;
+ GNUNET_CONTAINER_DLL_insert (tth->cc_head,
+ tth->cc_tail,
+ cc);
+ }
+ found = GNUNET_NO;
+ GNUNET_TRANSPORT_TESTING_find_connecting_context (p2,
+ p,
+ &set_p2c,
+ &found);
+ if (GNUNET_NO == found)
+ {
+ cc = GNUNET_new (struct GNUNET_TRANSPORT_TESTING_ConnectRequest);
+ cc->p1 = p2;
+ cc->p2 = p;
+ cc->p1_c = GNUNET_YES;
+ GNUNET_CONTAINER_DLL_insert (tth->cc_head,
+ tth->cc_tail,
+ cc);
+ }
+ GNUNET_TRANSPORT_TESTING_find_connecting_context (p,
+ p2,
+ &set_mq,
+ mq);
+ /* update set connected flag for all requests */
+ for (cc = tth->cc_head; NULL != cc; cc = cc->next)
+ {
+ if (GNUNET_YES == cc->connected)
+ continue;
+ if ((GNUNET_YES == cc->p1_c) &&
+ (GNUNET_YES == cc->p2_c))
+ {
+ cc->connected = GNUNET_YES;
+ /* stop trying to connect */
+ if (NULL != cc->tct)
+ {
+ GNUNET_SCHEDULER_cancel (cc->tct);
+ cc->tct = NULL;
+ }
+ if (NULL != cc->ats_sh)
+ {
+ GNUNET_ATS_connectivity_suggest_cancel (cc->ats_sh);
+ cc->ats_sh = NULL;
+ }
+ }
+ }
+ /* then notify application */
+ for (cc = tth->cc_head; NULL != cc; cc = ccn)
+ {
+ ccn = cc->next;
+ if ((GNUNET_YES == cc->connected) &&
+ (NULL != cc->cb))
+ {
+ cc->cb (cc->cb_cls);
+ cc->cb = NULL; /* only notify once! */
+ }
+ }
+ return ret;
+}
+
+
+/**
+ * Offer the current HELLO of P2 to P1.
+ *
+ * @param cls our `struct GNUNET_TRANSPORT_TESTING_ConnectRequest`
+ */
+static void
+offer_hello (void *cls);
+
+
+static void
+notify_disconnect (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ void *handler_cls)
+{
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *p = cls;
+ struct GNUNET_TRANSPORT_TESTING_Handle *tth = p->tth;
+ char *p2_s;
+ /* Find PeerContext */
+ int no = 0;
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *p2 = NULL;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc;
+
+ p2 = find_peer_context (p->tth,
+ peer);
+ no = p->no;
+ if (NULL != p2)
+ GNUNET_asprintf (&p2_s,
+ "%u (`%s')",
+ p2->no,
+ GNUNET_i2s (&p2->id));
+ else
+ GNUNET_asprintf (&p2_s,
+ "`%s'",
+ GNUNET_i2s (peer));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peers %s disconnected from peer %u (`%s')\n",
+ p2_s,
+ no,
+ GNUNET_i2s (&p->id));
+ GNUNET_free (p2_s);
+ /* notify about disconnect */
+ if (NULL != p->nd)
+ p->nd (p->cb_cls,
+ peer,
+ handler_cls);
+ if (NULL == p2)
+ return;
+ /* clear MQ, it is now invalid */
+ GNUNET_TRANSPORT_TESTING_find_connecting_context (p,
+ p2,
+ &set_mq,
+ NULL);
+ /* update set connected flags for all requests */
+ GNUNET_TRANSPORT_TESTING_find_connecting_context (p,
+ p2,
+ &clear_p1c,
+ NULL);
+ GNUNET_TRANSPORT_TESTING_find_connecting_context (p2,
+ p,
+ &clear_p2c,
+ NULL);
+ /* resume connectivity requests as necessary */
+ for (cc = tth->cc_head; NULL != cc; cc = cc->next)
+ {
+ if (GNUNET_NO == cc->connected)
+ continue;
+ if ((GNUNET_YES != cc->p1_c) ||
+ (GNUNET_YES != cc->p2_c))
+ {
+ cc->connected = GNUNET_NO;
+ /* start trying to connect */
+ if (NULL == cc->tct)
+ cc->tct = GNUNET_SCHEDULER_add_now (&offer_hello,
+ cc);
+ if (NULL == cc->ats_sh)
+ cc->ats_sh = GNUNET_ATS_connectivity_suggest (cc->p1->ats,
+ &p2->id,
+ 1);
+ }
+ }
+}
+
+
+static void
+hello_iter_cb (void *cb_cls,
+ const struct GNUNET_PEERSTORE_Record *record,
+ const char *emsg)
+{
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *p = cb_cls;
+ //Check record type et al?
+ p->hello = GNUNET_malloc (record->value_size);
+ memcpy (p->hello, record->value, record->value_size);
+
+ GNUNET_PEERSTORE_iterate_cancel (p->pic);
+ if (NULL != p->start_cb)
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer %u (`%s') successfully started\n",
+ p->no,
+ GNUNET_i2s (&p->id));
+ p->start_cb (p->start_cb_cls);
+ p->start_cb = NULL;
+ }
+}
+
+
+/**
+ * Start a peer with the given configuration
+ * @param tth the testing handle
+ * @param cfgname configuration file
+ * @param peer_id a unique number to identify the peer
+ * @param handlers functions for receiving messages
+ * @param nc connect callback
+ * @param nd disconnect callback
+ * @param cb_cls closure for callback
+ * @param start_cb start callback
+ * @param start_cb_cls closure for callback
+ * @return the peer context
+ */
+struct GNUNET_TRANSPORT_TESTING_PeerContext *
+GNUNET_TRANSPORT_TESTING_start_peer (struct
+ GNUNET_TRANSPORT_TESTING_Handle *tth,
+ const char *cfgname,
+ int peer_id,
+ const struct
+ GNUNET_MQ_MessageHandler *handlers,
+ GNUNET_TRANSPORT_NotifyConnect nc,
+ GNUNET_TRANSPORT_NotifyDisconnect nd,
+ void *cb_cls,
+ GNUNET_SCHEDULER_TaskCallback start_cb,
+ void *start_cb_cls)
+{
+ char *emsg = NULL;
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *p;
+ struct GNUNET_PeerIdentity dummy;
+ unsigned int i;
+
+ if (GNUNET_NO == GNUNET_DISK_file_test (cfgname))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "File not found: `%s'\n",
+ cfgname);
+ return NULL;
+ }
+
+ p = GNUNET_new (struct GNUNET_TRANSPORT_TESTING_PeerContext);
+ p->tth = tth;
+ p->nc = nc;
+ p->nd = nd;
+ if (NULL != handlers)
+ {
+ for (i = 0; NULL != handlers[i].cb; i++)
+ ;
+ p->handlers = GNUNET_new_array (i + 1,
+ struct GNUNET_MQ_MessageHandler);
+ GNUNET_memcpy (p->handlers,
+ handlers,
+ i * sizeof(struct GNUNET_MQ_MessageHandler));
+ }
+ if (NULL != cb_cls)
+ p->cb_cls = cb_cls;
+ else
+ p->cb_cls = p;
+ p->start_cb = start_cb;
+ if (NULL != start_cb_cls)
+ p->start_cb_cls = start_cb_cls;
+ else
+ p->start_cb_cls = p;
+ GNUNET_CONTAINER_DLL_insert (tth->p_head,
+ tth->p_tail,
+ p);
+
+ /* Create configuration and call testing lib to modify it */
+ p->cfg = GNUNET_CONFIGURATION_create ();
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONFIGURATION_load (p->cfg, cfgname));
+ if (GNUNET_SYSERR ==
+ GNUNET_TESTING_configuration_create (tth->tl_system,
+ p->cfg))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Testing library failed to create unique configuration based on `%s'\n",
+ cfgname);
+ GNUNET_CONFIGURATION_destroy (p->cfg);
+ GNUNET_free (p);
+ return NULL;
+ }
+
+ p->no = peer_id;
+ /* Configure peer with configuration */
+ p->peer = GNUNET_TESTING_peer_configure (tth->tl_system,
+ p->cfg,
+ p->no,
+ NULL,
+ &emsg);
+ if (NULL == p->peer)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Testing library failed to create unique configuration based on `%s': `%s'\n",
+ cfgname,
+ emsg);
+ GNUNET_TRANSPORT_TESTING_stop_peer (p);
+ GNUNET_free (emsg);
+ return NULL;
+ }
+ GNUNET_free (emsg);
+ if (GNUNET_OK != GNUNET_TESTING_peer_start (p->peer))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Testing library failed to create unique configuration based on `%s'\n",
+ cfgname);
+ GNUNET_TRANSPORT_TESTING_stop_peer (p);
+ return NULL;
+ }
+
+ memset (&dummy,
+ '\0',
+ sizeof(dummy));
+ GNUNET_TESTING_peer_get_identity (p->peer,
+ &p->id);
+ if (0 == memcmp (&dummy,
+ &p->id,
+ sizeof(struct GNUNET_PeerIdentity)))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Testing library failed to obtain peer identity for peer %u\n",
+ p->no);
+ GNUNET_TRANSPORT_TESTING_stop_peer (p);
+ return NULL;
+ }
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer %u configured with identity `%s'\n",
+ p->no,
+ GNUNET_i2s_full (&p->id));
+ p->tmh = GNUNET_TRANSPORT_manipulation_connect (p->cfg);
+ p->th = GNUNET_TRANSPORT_core_connect (p->cfg,
+ NULL,
+ handlers,
+ p,
+ &notify_connect,
+ &notify_disconnect);
+ if ((NULL == p->th) ||
+ (NULL == p->tmh))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to connect to transport service for peer `%s': `%s'\n",
+ cfgname,
+ emsg);
+ GNUNET_TRANSPORT_TESTING_stop_peer (p);
+ return NULL;
+ }
+ p->ats = GNUNET_ATS_connectivity_init (p->cfg);
+ if (NULL == p->ats)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to connect to ATS service for peer `%s': `%s'\n",
+ cfgname,
+ emsg);
+ GNUNET_TRANSPORT_TESTING_stop_peer (p);
+ return NULL;
+ }
+ p->pic = GNUNET_PEERSTORE_iterate (p->ph,
+ "transport",
+ &p->id,
+ GNUNET_PEERSTORE_TRANSPORT_HELLO_KEY,
+ hello_iter_cb,
+ p);
+ GNUNET_assert (NULL != p->pic);
+
+ return p;
+}
+
+
+/**
+ * Stops and restarts the given peer, sleeping (!) for 5s in between.
+ *
+ * @param p the peer
+ * @param restart_cb callback to call when restarted
+ * @param restart_cb_cls callback closure
+ * @return #GNUNET_OK in success otherwise #GNUNET_SYSERR
+ */
+int
+GNUNET_TRANSPORT_TESTING_restart_peer (struct
+ GNUNET_TRANSPORT_TESTING_PeerContext *p,
+ GNUNET_SCHEDULER_TaskCallback restart_cb,
+ void *restart_cb_cls)
+{
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *ccn;
+
+ /* shutdown */
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Stopping peer %u (`%s')\n",
+ p->no,
+ GNUNET_i2s (&p->id));
+ if (NULL != p->pic)
+ {
+ GNUNET_PEERSTORE_iterate_cancel (p->pic);
+ p->pic = NULL;
+ }
+ if (NULL != p->th)
+ {
+ GNUNET_TRANSPORT_core_disconnect (p->th);
+ p->th = NULL;
+ }
+ if (NULL != p->tmh)
+ {
+ GNUNET_TRANSPORT_manipulation_disconnect (p->tmh);
+ p->tmh = NULL;
+ }
+ for (cc = p->tth->cc_head; NULL != cc; cc = ccn)
+ {
+ ccn = cc->next;
+ if ((cc->p1 == p) ||
+ (cc->p2 == p))
+ GNUNET_TRANSPORT_TESTING_connect_peers_cancel (cc);
+ }
+ if (NULL != p->ats)
+ {
+ GNUNET_ATS_connectivity_done (p->ats);
+ p->ats = NULL;
+ }
+ if (GNUNET_SYSERR ==
+ GNUNET_TESTING_peer_stop (p->peer))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to stop peer %u (`%s')\n",
+ p->no,
+ GNUNET_i2s (&p->id));
+ return GNUNET_SYSERR;
+ }
+
+ sleep (5); // YUCK!
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Restarting peer %u (`%s')\n",
+ p->no,
+ GNUNET_i2s (&p->id));
+ /* restart */
+ if (GNUNET_SYSERR == GNUNET_TESTING_peer_start (p->peer))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to restart peer %u (`%s')\n",
+ p->no,
+ GNUNET_i2s (&p->id));
+ return GNUNET_SYSERR;
+ }
+
+ GNUNET_assert (NULL == p->start_cb);
+ p->start_cb = restart_cb;
+ p->start_cb_cls = restart_cb_cls;
+
+ p->th = GNUNET_TRANSPORT_core_connect (p->cfg,
+ NULL,
+ p->handlers,
+ p,
+ &notify_connect,
+ &notify_disconnect);
+ GNUNET_assert (NULL != p->th);
+ p->ats = GNUNET_ATS_connectivity_init (p->cfg);
+ p->pic = GNUNET_PEERSTORE_iterate (p->ph,
+ "transport",
+ &p->id,
+ GNUNET_PEERSTORE_TRANSPORT_HELLO_KEY,
+ hello_iter_cb,
+ p);
+ GNUNET_assert (NULL != p->pic);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Shutdown the given peer
+ *
+ * @param p the peer
+ */
+void
+GNUNET_TRANSPORT_TESTING_stop_peer (struct
+ GNUNET_TRANSPORT_TESTING_PeerContext *p)
+{
+ struct GNUNET_TRANSPORT_TESTING_Handle *tth = p->tth;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *ccn;
+
+ for (cc = tth->cc_head; NULL != cc; cc = ccn)
+ {
+ ccn = cc->next;
+ if ((cc->p1 == p) ||
+ (cc->p2 == p))
+ GNUNET_TRANSPORT_TESTING_connect_peers_cancel (cc);
+ }
+ if (NULL != p->pic)
+ {
+ GNUNET_PEERSTORE_iterate_cancel (p->pic);
+ p->pic = NULL;
+ }
+ if (NULL != p->tmh)
+ {
+ GNUNET_TRANSPORT_manipulation_disconnect (p->tmh);
+ p->tmh = NULL;
+ }
+ if (NULL != p->th)
+ {
+ GNUNET_TRANSPORT_core_disconnect (p->th);
+ p->th = NULL;
+ }
+ if (NULL != p->peer)
+ {
+ if (GNUNET_OK !=
+ GNUNET_TESTING_peer_stop (p->peer))
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Testing lib failed to stop peer %u (`%s')\n",
+ p->no,
+ GNUNET_i2s (&p->id));
+ }
+ GNUNET_TESTING_peer_destroy (p->peer);
+ p->peer = NULL;
+ }
+ if (NULL != p->ats)
+ {
+ GNUNET_ATS_connectivity_done (p->ats);
+ p->ats = NULL;
+ }
+ if (NULL != p->hello)
+ {
+ GNUNET_free (p->hello);
+ p->hello = NULL;
+ }
+ if (NULL != p->cfg)
+ {
+ GNUNET_CONFIGURATION_destroy (p->cfg);
+ p->cfg = NULL;
+ }
+ if (NULL != p->handlers)
+ {
+ GNUNET_free (p->handlers);
+ p->handlers = NULL;
+ }
+ GNUNET_CONTAINER_DLL_remove (tth->p_head,
+ tth->p_tail,
+ p);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer %u (`%s') stopped\n",
+ p->no,
+ GNUNET_i2s (&p->id));
+ GNUNET_free (p);
+}
+
+
+/**
+ * Function called after the HELLO was passed to the
+ * transport service.
+ * FIXME maybe schedule the application_validate somehow
+ */
+/*
+static void
+hello_offered (void *cls)
+{
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc = cls;
+
+ cc->oh = NULL;
+ cc->tct = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
+ &offer_hello,
+ cc);
+}*/
+
+
+/**
+ * Offer the current HELLO of P2 to P1.
+ *
+ * @param cls our `struct GNUNET_TRANSPORT_TESTING_ConnectRequest`
+ */
+static void
+offer_hello (void *cls)
+{
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc = cls;
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *p1 = cc->p1;
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *p2 = cc->p2;
+ struct GNUNET_TIME_Absolute t;
+ enum GNUNET_NetworkType nt;
+ char *addr;
+
+ cc->tct = NULL;
+ {
+ char *p2_s = GNUNET_strdup (GNUNET_i2s (&p2->id));
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Asking peer %u (`%s') to connect peer %u (`%s'), providing HELLO with %s\n",
+ p1->no,
+ GNUNET_i2s (&p1->id),
+ p2->no,
+ p2_s,
+ cc->p2->hello);
+ GNUNET_free (p2_s);
+ }
+
+ addr = GNUNET_HELLO_extract_address (cc->p2->hello,
+ cc->p2->hello_size,
+ &cc->p2->id,
+ &nt,
+ &t);
+ GNUNET_assert (NULL == addr);
+ GNUNET_TRANSPORT_application_validate (cc->p1->ah,
+ &cc->p2->id,
+ nt,
+ addr);
+ GNUNET_free (addr);
+}
+
+
+/**
+ * Initiate a connection from p1 to p2 by offering p1 p2's HELLO message
+ *
+ * Remarks: start_peer's notify_connect callback can be called before.
+ *
+ * @param tth transport testing handle
+ * @param p1 peer 1
+ * @param p2 peer 2
+ * @param cb the callback to call when both peers notified that they are connected
+ * @param cls callback cls
+ * @return a connect request handle
+ */
+struct GNUNET_TRANSPORT_TESTING_ConnectRequest *
+GNUNET_TRANSPORT_TESTING_connect_peers (struct
+ GNUNET_TRANSPORT_TESTING_PeerContext *p1,
+ struct
+ GNUNET_TRANSPORT_TESTING_PeerContext *p2,
+ GNUNET_SCHEDULER_TaskCallback cb,
+ void *cls)
+{
+ struct GNUNET_TRANSPORT_TESTING_Handle *tth = p1->tth;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *ccn;
+
+ ccn = NULL;
+ for (cc = tth->cc_head; NULL != cc; cc = cc->next)
+ {
+ if ((cc->p1 == p1) &&
+ (cc->p2 == p2))
+ {
+ ccn = cc;
+ break;
+ }
+ }
+
+ cc = GNUNET_new (struct GNUNET_TRANSPORT_TESTING_ConnectRequest);
+ cc->p1 = p1;
+ cc->p2 = p2;
+ cc->cb = cb;
+ if (NULL != cls)
+ cc->cb_cls = cls;
+ else
+ cc->cb_cls = cc;
+ if (NULL != ccn)
+ {
+ cc->p1_c = ccn->p1_c;
+ cc->p2_c = ccn->p2_c;
+ cc->connected = ccn->connected;
+ }
+ GNUNET_CONTAINER_DLL_insert (tth->cc_head,
+ tth->cc_tail,
+ cc);
+ cc->tct = GNUNET_SCHEDULER_add_now (&offer_hello,
+ cc);
+ cc->ats_sh = GNUNET_ATS_connectivity_suggest (cc->p1->ats,
+ &p2->id,
+ 1);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "New connect request %p\n",
+ cc);
+ return cc;
+}
+
+
+/**
+ * Cancel the request to connect two peers
+ * Tou MUST cancel the request if you stop the peers before the peers connected succesfully
+ *
+ * @param tth transport testing handle
+ * @param cc a connect request handle
+ */
+void
+GNUNET_TRANSPORT_TESTING_connect_peers_cancel (struct
+ GNUNET_TRANSPORT_TESTING_ConnectRequest
+ *cc)
+{
+ struct GNUNET_TRANSPORT_TESTING_Handle *tth = cc->p1->tth;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Canceling connect request!\n");
+ if (NULL != cc->tct)
+ {
+ GNUNET_SCHEDULER_cancel (cc->tct);
+ cc->tct = NULL;
+ }
+ if (NULL != cc->ats_sh)
+ {
+ GNUNET_ATS_connectivity_suggest_cancel (cc->ats_sh);
+ cc->ats_sh = NULL;
+ }
+ GNUNET_CONTAINER_DLL_remove (tth->cc_head,
+ tth->cc_tail,
+ cc);
+ GNUNET_free (cc);
+}
+
+
+/**
+ * Clean up the transport testing
+ *
+ * @param tth transport testing handle
+ */
+void
+GNUNET_TRANSPORT_TESTING_done (struct GNUNET_TRANSPORT_TESTING_Handle *tth)
+{
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *ct;
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *p;
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *t;
+
+ if (NULL == tth)
+ return;
+ cc = tth->cc_head;
+ while (NULL != cc)
+ {
+ ct = cc->next;
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Developer forgot to cancel connect request!\n");
+ GNUNET_TRANSPORT_TESTING_connect_peers_cancel (cc);
+ cc = ct;
+ }
+ p = tth->p_head;
+ while (NULL != p)
+ {
+ t = p->next;
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Developer forgot to stop peer!\n");
+ GNUNET_TRANSPORT_TESTING_stop_peer (p);
+ p = t;
+ }
+ GNUNET_TESTING_system_destroy (tth->tl_system,
+ GNUNET_YES);
+
+ GNUNET_free (tth);
+}
+
+
+/**
+ * Initialize the transport testing
+ *
+ * @return transport testing handle
+ */
+struct GNUNET_TRANSPORT_TESTING_Handle *
+GNUNET_TRANSPORT_TESTING_init ()
+{
+ struct GNUNET_TRANSPORT_TESTING_Handle *tth;
+
+ tth = GNUNET_new (struct GNUNET_TRANSPORT_TESTING_Handle);
+ tth->tl_system = GNUNET_TESTING_system_create ("transport-testing",
+ NULL,
+ NULL,
+ NULL);
+ if (NULL == tth->tl_system)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to initialize testing library!\n");
+ GNUNET_free (tth);
+ return NULL;
+ }
+ return tth;
+}
+
+
+/* end of transport-testing.c */