/*
This file is part of GNUnet.
- (C) 2006, 2009 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2006, 2009, 2015 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
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
- * @file transport_testing.c
+ * @file transport-testing.c
* @brief testing lib for transport service
*
* @author Matthias Wachs
*/
-
#include "transport-testing.h"
-struct ConnectingContext
-{
- struct PeerContext * p1;
- struct PeerContext * p2;
- GNUNET_SCHEDULER_TaskIdentifier tct;
- GNUNET_TRANSPORT_TESTING_connect_cb cb;
- void * cb_cls;
-
- struct GNUNET_TRANSPORT_Handle *th_p1;
- struct GNUNET_TRANSPORT_Handle *th_p2;
- int p1_c;
- int p2_c;
-};
-
-static void
-exchange_hello_last (void *cb_cls,
- const struct GNUNET_MessageHeader *message);
-static void
-exchange_hello (void *cb_cls,
- const struct GNUNET_MessageHeader *message);
-static void
-notify_connect_internal (void *cls,
- const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_TRANSPORT_ATS_Information *ats,
- uint32_t ats_count)
-{
- struct ConnectingContext * cc = cls;
+#define LOG(kind,...) GNUNET_log_from(kind, "transport-testing", __VA_ARGS__)
- GNUNET_assert(cc != NULL);
- if (0 == memcmp (&(*peer).hashPubKey, &cc->p1->id.hashPubKey, sizeof (GNUNET_HashCode)))
- {
- if (cc->p1_c == GNUNET_NO)
- cc->p1_c = GNUNET_YES;
- }
- if (0 == memcmp (&(*peer).hashPubKey, &cc->p2->id.hashPubKey, sizeof (GNUNET_HashCode)))
- {
- if (cc->p2_c == GNUNET_NO)
- cc->p2_c = GNUNET_YES;
- }
+static struct PeerContext *
+find_peer_context (struct GNUNET_TRANSPORT_TESTING_handle *tth,
+ const struct GNUNET_PeerIdentity *peer)
+{
+ struct PeerContext *t = tth->p_head;
- if ((cc->p2_c == GNUNET_YES) && (cc->p2_c == GNUNET_YES))
+ while (t != NULL)
{
- /* clean up */
- GNUNET_TRANSPORT_get_hello_cancel (cc->th_p2, &exchange_hello_last, cc);
- GNUNET_TRANSPORT_get_hello_cancel (cc->th_p1, &exchange_hello, cc);
-
- if (cc->tct != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel(cc->tct);
+ if (0 == memcmp (&t->id, peer, sizeof (struct GNUNET_PeerIdentity)))
+ break;
+ t = t->next;
+ }
- cc->tct = GNUNET_SCHEDULER_NO_TASK;
+ return t;
+}
- GNUNET_TRANSPORT_disconnect (cc->th_p1);
- GNUNET_TRANSPORT_disconnect (cc->th_p2);
- if (cc->cb != NULL)
- cc->cb (cc->p1, cc->p2, cc->cb_cls);
+static struct GNUNET_TRANSPORT_TESTING_ConnectRequest *
+find_connecting_context (struct GNUNET_TRANSPORT_TESTING_handle *tth,
+ struct PeerContext *p1,
+ struct PeerContext *p2)
+{
+ GNUNET_assert (tth != NULL);
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc = tth->cc_head;
- GNUNET_free(cc);
+ while (cc != NULL)
+ {
+ if ((cc->p1 == p1) && (cc->p2 == p2))
+ break;
+ if ((cc->p1 == p2) && (cc->p2 == p1))
+ break;
+ cc = cc->next;
}
+
+ return cc;
}
+
static void
notify_connect (void *cls,
- const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_TRANSPORT_ATS_Information *ats,
- uint32_t ats_count)
+ const struct GNUNET_PeerIdentity *peer)
{
- struct PeerContext * p = cls;
- if (p == NULL)
- return;
+ struct PeerContext *p = cls;
+ char *p2_s;
+ struct PeerContext *p2;
+
+ GNUNET_assert (NULL != p);
+ GNUNET_assert (NULL != p->tth);
+ p2 = find_peer_context (p->tth, peer);
if (p->nc != NULL)
- p->nc (p->cb_cls, peer, ats, ats_count);
+ p->nc (p->cb_cls, peer);
+
+ if (p2 != NULL)
+ 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);
+
+ /* Find ConnectingContext */
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc = find_connecting_context (p->tth, p, p2);
+
+ if (cc == NULL)
+ return;
+
+ if (p == cc->p1)
+ cc->p1_c = GNUNET_YES;
+
+ if (p == cc->p2)
+ cc->p2_c = GNUNET_YES;
+
+ if ((cc->p1_c == GNUNET_YES) && (cc->p2_c == GNUNET_YES))
+ {
+ cc->cb (cc->p1, cc->p2, cc->cb_cls);
+ GNUNET_TRANSPORT_TESTING_connect_peers_cancel (p->tth, cc);
+ }
}
+
static void
-notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
+notify_disconnect (void *cls,
+ const struct GNUNET_PeerIdentity *peer)
{
- struct PeerContext * p = cls;
+ struct PeerContext *p = cls;
+
+ /* Find PeerContext */
+ int no = 0;
+ struct PeerContext *p2 = NULL;
+
+ if (p != NULL)
+ {
+ GNUNET_assert (p->tth != NULL);
+ p2 = find_peer_context (p->tth, peer);
+ no = p->no;
+ }
+
+ char *p2_s;
+
+ if (p2 != NULL)
+ 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);
+
if (p == NULL)
return;
if (p->nd != NULL)
p->nd (p->cb_cls, peer);
}
+
static void
notify_receive (void *cls,
const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_MessageHeader *message,
- const struct GNUNET_TRANSPORT_ATS_Information *ats,
- uint32_t ats_count)
+ const struct GNUNET_MessageHeader *message)
{
- struct PeerContext * p = cls;
+ struct PeerContext *p = cls;
+
if (p == NULL)
return;
if (p->rec != NULL)
- p->rec (p->cb_cls, peer, message, ats, ats_count);
+ p->rec (p->cb_cls, peer, message);
}
static void
-exchange_hello_last (void *cb_cls,
- const struct GNUNET_MessageHeader *message)
+get_hello (void *cb_cls,
+ const struct GNUNET_MessageHeader *message)
{
- struct ConnectingContext * cc = cb_cls;
- struct PeerContext *me = cc->p2;
- //struct PeerContext *p1 = cc->p1;
+ struct PeerContext *p = cb_cls;
+ struct GNUNET_PeerIdentity hello_id;
GNUNET_assert (message != NULL);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Exchanging HELLO of size %d with peer (%s)!\n",
- (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
- GNUNET_i2s (&me->id));
GNUNET_assert (GNUNET_OK ==
GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
- message, &me->id));
- GNUNET_TRANSPORT_offer_hello (cc->th_p1, message, NULL, NULL);
+ message, &hello_id));
+ GNUNET_assert (0 == memcmp (&hello_id, &p->id, sizeof (hello_id)));
+ GNUNET_free_non_null (p->hello);
+ p->hello = (struct GNUNET_HELLO_Message *) GNUNET_copy_message (message);
+
+ 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, p->cb_cls);
+ p->start_cb = NULL;
+ }
}
+/**
+ * Offer the current HELLO of P2 to P1.
+ *
+ * @param cls our `struct GNUNET_TRANSPORT_TESTING_ConnectRequest `
+ */
static void
-exchange_hello (void *cb_cls,
- const struct GNUNET_MessageHeader *message)
+offer_hello (void *cls);
+
+
+/**
+ * Function called after the HELLO was passed to the
+ * transport service.
+ */
+static void
+hello_offered (void *cls)
{
- struct ConnectingContext * cc = cb_cls;
- struct PeerContext *me = cc->p1;
- //struct PeerContext *p2 = cc->p2;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc = cls;
- GNUNET_assert (message != NULL);
- GNUNET_assert (GNUNET_OK ==
- GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
- message, &me->id));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Exchanging HELLO of size %d from peer %s!\n",
- (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
- GNUNET_i2s (&me->id));
- GNUNET_TRANSPORT_offer_hello (cc->th_p2, message, NULL, NULL);
+ 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
-try_connect (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+offer_hello (void *cls)
{
- struct ConnectingContext * cc = cls;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc = cls;
struct PeerContext *p1 = cc->p1;
struct PeerContext *p2 = cc->p2;
- cc->tct = GNUNET_SCHEDULER_NO_TASK;
- if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
- return;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Asking peers to connect...\n");
- /* FIXME: 'pX.id' may still be all-zeros here... */
- GNUNET_TRANSPORT_try_connect (cc->th_p1,
- &p2->id);
- GNUNET_TRANSPORT_try_connect (cc->th_p2,
- &p1->id);
+ 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 %u bytes\n",
+ p1->no,
+ GNUNET_i2s (&p1->id),
+ p2->no,
+ p2_s,
+ GNUNET_HELLO_size (cc->p2->hello));
+ GNUNET_free (p2_s);
+ }
- cc->tct = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
- &try_connect,
- cc);
+ if (NULL != cc->oh)
+ GNUNET_TRANSPORT_offer_hello_cancel (cc->oh);
+ cc->oh =
+ GNUNET_TRANSPORT_offer_hello (cc->p1->th,
+ (const struct GNUNET_MessageHeader *) cc->p2->hello,
+ &hello_offered,
+ cc);
}
/**
* 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 rec receive callback
* @param nc connect callback
* @param nd disconnect callback
+ * @param start_cb start callback
* @param cb_cls closure for callback
* @return the peer context
*/
struct PeerContext *
-GNUNET_TRANSPORT_TESTING_start_peer (const char * cfgname,
- GNUNET_TRANSPORT_ReceiveCallback rec,
- GNUNET_TRANSPORT_NotifyConnect nc,
- GNUNET_TRANSPORT_NotifyDisconnect nd,
- void * cb_cls)
+GNUNET_TRANSPORT_TESTING_start_peer (struct GNUNET_TRANSPORT_TESTING_handle *tth,
+ const char *cfgname,
+ int peer_id,
+ GNUNET_TRANSPORT_ReceiveCallback rec,
+ GNUNET_TRANSPORT_NotifyConnect nc,
+ GNUNET_TRANSPORT_NotifyDisconnect nd,
+ GNUNET_TRANSPORT_TESTING_start_cb start_cb,
+ void *cb_cls)
{
- struct PeerContext * p = GNUNET_malloc (sizeof (struct PeerContext));
+ char *emsg = NULL;
+ struct GNUNET_PeerIdentity *dummy;
+ GNUNET_assert (NULL != tth);
+ GNUNET_assert (NULL != tth->tl_system);
+
+ if (GNUNET_DISK_file_test (cfgname) == GNUNET_NO)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "File not found: `%s'\n",
+ cfgname);
+ return NULL;
+ }
+
+ struct PeerContext *p = GNUNET_new (struct PeerContext);
+ 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_free (p);
+ return NULL;
+ }
- GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
- if (GNUNET_CONFIGURATION_have_value (p->cfg,"PATHS", "SERVICEHOME"))
- GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", &p->servicehome);
- if (NULL != p->servicehome)
- GNUNET_DISK_directory_remove (p->servicehome);
- p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
- "gnunet-service-arm",
- "-c", cfgname,
-#if VERBOSE_PEERS
- "-L", "DEBUG",
-#else
- "-L", "ERROR",
-#endif
- 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 (tth, p);
+ GNUNET_free_non_null (emsg);
+ return NULL;
+ }
+ GNUNET_free_non_null (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 (tth, 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 (tth, p);
+ return NULL;
+ }
+ else
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer %u configured with identity `%s'\n",
+ p->no,
+ GNUNET_i2s_full (&p->id));
+ }
+
+ p->tth = tth;
p->nc = nc;
p->nd = nd;
p->rec = rec;
- p->cb_cls = cb_cls;
+ p->start_cb = start_cb;
+ if (cb_cls != NULL)
+ p->cb_cls = cb_cls;
+ else
+ p->cb_cls = p;
+
+ p->th = GNUNET_TRANSPORT_connect (p->cfg, NULL, p,
+ ¬ify_receive,
+ ¬ify_connect,
+ ¬ify_disconnect);
+ if (NULL == p->th)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to connect to transport service for peer `%s': `%s'\n",
+ cfgname,
+ emsg);
+ GNUNET_TRANSPORT_TESTING_stop_peer (tth, 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 (tth, p);
+ return NULL;
+ }
+ p->ghh = GNUNET_TRANSPORT_get_hello (p->th,
+ &get_hello,
+ p);
+ GNUNET_assert (p->ghh != NULL);
- p->th = GNUNET_TRANSPORT_connect(p->cfg, NULL,
- p,
- ¬ify_receive,
- ¬ify_connect,
- ¬ify_disconnect);
- GNUNET_assert (p->th != NULL);
return p;
}
+
/**
- * shutdown the given peer
+ * Restart the given peer
+ *
* @param p the peer
+ * @param cfgname the cfg file used to restart
+ * @param restart_cb callback to call when restarted
+ * @param cb_cls callback closure
+ * @return #GNUNET_OK in success otherwise #GNUNET_SYSERR
*/
-void
-GNUNET_TRANSPORT_TESTING_stop_peer (struct PeerContext * p)
+int
+GNUNET_TRANSPORT_TESTING_restart_peer (struct PeerContext *p,
+ const char *cfgname,
+ GNUNET_TRANSPORT_TESTING_start_cb restart_cb,
+ void *cb_cls)
{
- if (p->th != NULL)
- GNUNET_TRANSPORT_disconnect(p->th);
+ GNUNET_assert (NULL != p->peer);
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Restarting peer %u (`%s')\n",
+ p->no,
+ GNUNET_i2s (&p->id));
+
+ /* shutdown */
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Stopping peer %u (`%s')\n",
+ p->no,
+ GNUNET_i2s (&p->id));
+ if (NULL != p->ghh)
+ {
+ GNUNET_TRANSPORT_get_hello_cancel (p->ghh);
+ p->ghh = NULL;
+ }
+ if (NULL != p->th)
+ {
+ GNUNET_TRANSPORT_disconnect (p->th);
+ p->th = NULL;
+ }
+ if (NULL != p->ats)
+ {
+ GNUNET_ATS_connectivity_done (p->ats);
+ p->ats = NULL;
+ }
- if (NULL != p->arm_proc)
- {
- if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
- GNUNET_OS_process_wait (p->arm_proc);
- GNUNET_OS_process_close (p->arm_proc);
- p->arm_proc = NULL;
- }
- GNUNET_CONFIGURATION_destroy (p->cfg);
- if (p->servicehome != 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!
+
+ /* 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->cb_cls = cb_cls;
+
+ p->th = GNUNET_TRANSPORT_connect (p->cfg,
+ NULL,
+ p,
+ ¬ify_receive,
+ ¬ify_connect,
+ ¬ify_disconnect);
+ GNUNET_assert (NULL != p->th);
+ p->ats = GNUNET_ATS_connectivity_init (p->cfg);
+ p->ghh = GNUNET_TRANSPORT_get_hello (p->th,
+ &get_hello,
+ p);
+ GNUNET_assert (NULL != p->ghh);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Shutdown the given peer
+ *
+ * @param tth testing handle
+ * @param p the peer
+ */
+void
+GNUNET_TRANSPORT_TESTING_stop_peer (struct GNUNET_TRANSPORT_TESTING_handle *tth,
+ struct PeerContext *p)
+{
+ if (NULL != p->ghh)
+ {
+ GNUNET_TRANSPORT_get_hello_cancel (p->ghh);
+ p->ghh = NULL;
+ }
+ if (NULL != p->th)
+ {
+ GNUNET_TRANSPORT_disconnect (p->th);
+ p->th = NULL;
+ }
+ if (NULL != p->peer)
+ {
+ if (GNUNET_OK != GNUNET_TESTING_peer_stop (p->peer))
{
- GNUNET_DISK_directory_remove (p->servicehome);
- GNUNET_free(p->servicehome);
+ 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;
+ }
+ 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);
}
+
/**
- * Connect the two given peers and call the callback when both peers report the
- * inbound connect. Remarks: start_peer's notify_connect callback can be called
- * before.
+ * 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
- * @param cb_cls callback cls
+ * @param cb the callback to call when both peers notified that they are connected
+ * @param cls callback cls
+ * @return a connect request handle
*/
-void
-GNUNET_TRANSPORT_TESTING_connect_peers (struct PeerContext * p1,
- struct PeerContext * p2,
+struct GNUNET_TRANSPORT_TESTING_ConnectRequest *
+GNUNET_TRANSPORT_TESTING_connect_peers (struct GNUNET_TRANSPORT_TESTING_handle *tth,
+ struct PeerContext *p1,
+ struct PeerContext *p2,
GNUNET_TRANSPORT_TESTING_connect_cb cb,
- void * cb_cls)
+ void *cls)
{
- struct ConnectingContext * cc = GNUNET_malloc (sizeof (struct ConnectingContext));
-
- GNUNET_assert (p1 != NULL);
- GNUNET_assert (p2 != NULL);
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc;
+ cc = GNUNET_new (struct GNUNET_TRANSPORT_TESTING_ConnectRequest);
cc->p1 = p1;
cc->p2 = p2;
-
cc->cb = cb;
- cc->cb_cls = cb_cls;
+ if (NULL != cls)
+ cc->cb_cls = cls;
+ else
+ cc->cb_cls = cc;
+ 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);
- cc->th_p1 = GNUNET_TRANSPORT_connect(cc->p1->cfg, NULL,
- cc,
- NULL,
- ¬ify_connect_internal,
- NULL);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "New connect request %p\n",
+ cc);
- cc->th_p2 = GNUNET_TRANSPORT_connect(cc->p2->cfg, NULL,
- cc,
- NULL,
- ¬ify_connect_internal,
- NULL);
+ return cc;
+}
- GNUNET_assert (cc->th_p1 != NULL);
- GNUNET_assert (cc->th_p2 != NULL);
- GNUNET_TRANSPORT_get_hello (cc->th_p1, &exchange_hello, cc);
- GNUNET_TRANSPORT_get_hello (cc->th_p2, &exchange_hello_last, 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_handle *tth,
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *cc)
+{
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Canceling connect request %p!\n",
+ cc);
+ if (NULL != cc->tct)
+ {
+ GNUNET_SCHEDULER_cancel (cc->tct);
+ cc->tct = NULL;
+ }
+ if (NULL != cc->oh)
+ {
+ GNUNET_TRANSPORT_offer_hello_cancel (cc->oh);
+ cc->oh = NULL;
+ }
+ if (NULL != cc->ats_sh)
+ {
+ GNUNET_ATS_connectivity_suggest_cancel (cc->ats_sh);
+ cc->ats_sh = NULL;
+ }
- cc->tct = GNUNET_SCHEDULER_add_now (&try_connect, cc);
+ 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 = tth->cc_head;
+ struct GNUNET_TRANSPORT_TESTING_ConnectRequest *ct = NULL;
+ struct PeerContext *p = tth->p_head;
+ struct PeerContext *t = NULL;
+
+ while (cc != tth->cc_tail)
+ {
+ ct = cc->next;
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Developer forgot to cancel connect request %p!\n",
+ cc);
+ GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth,
+ cc);
+ cc = ct;
+ }
+
+ while (NULL != p)
+ {
+ t = p->next;
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Developer forgot to stop peer!\n");
+ GNUNET_TRANSPORT_TESTING_stop_peer (tth, p);
+ p = t;
+ }
+
+ GNUNET_TESTING_system_destroy (tth->tl_system,
+ GNUNET_YES);
+
+ GNUNET_free (tth);
+ tth = NULL;
+}
+
+
+/**
+ * Initialize the transport testing
+ * @return transport testing handle
+ */
+struct GNUNET_TRANSPORT_TESTING_handle *
+GNUNET_TRANSPORT_TESTING_init ()
+{
+ struct GNUNET_TRANSPORT_TESTING_handle *tth;
+
+ /* prepare hostkeys */
+ tth = GNUNET_new (struct GNUNET_TRANSPORT_TESTING_handle);
+
+ /* Init testing the testing lib */
+ 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;
+}
+
+
+/*
+ * Some utility functions
+ */
+
+/**
+ * Removes all directory separators from absolute filename
+ *
+ * @param file the absolute file name, e.g. as found in argv[0]
+ * @return extracted file name, has to be freed by caller
+ */
+static char *
+extract_filename (const char *file)
+{
+ char *pch = GNUNET_strdup (file);
+ char *backup = pch;
+ char *filename = NULL;
+ char *res;
+#if WINDOWS
+ if ((strlen (pch) >= 3) && pch[1] == ':')
+ {
+ if (NULL != strstr (pch, "\\"))
+ {
+ pch = strtok (pch, "\\");
+ while (pch != NULL)
+ {
+ pch = strtok (NULL, "\\");
+ if (pch != NULL)
+ filename = pch;
+ }
+ }
+ }
+ if (filename != NULL)
+ pch = filename; /* If we miss the next condition, filename = pch will
+ * not harm us.
+ */
+#endif
+ if (NULL != strstr (pch, "/"))
+ {
+ pch = strtok (pch, "/");
+ while (pch != NULL)
+ {
+ pch = strtok (NULL, "/");
+ if (pch != NULL)
+ {
+ filename = pch;
+ }
+ }
+ }
+ else
+ filename = pch;
+
+ res = GNUNET_strdup (filename);
+ GNUNET_free (backup);
+ return res;
+}
+
+
+/**
+ * Extracts the test filename from an absolute file name and removes
+ * the extension
+ *
+ * @param file absolute file name
+ * @param dest where to store result
+ */
+void
+GNUNET_TRANSPORT_TESTING_get_test_name (const char *file,
+ char **dest)
+{
+ char *filename = extract_filename (file);
+ char *backup = filename;
+ char *dotexe;
+
+ if (filename == NULL)
+ goto fail;
+
+ /* remove "lt-" */
+ filename = strstr (filename, "tes");
+ if (filename == NULL)
+ goto fail;
+
+ /* remove ".exe" */
+ if (NULL != (dotexe = strstr (filename, ".exe")))
+ dotexe[0] = '\0';
+
+ goto suc;
+
+fail:
+ (*dest) = NULL;
+ return;
+
+suc:
+ /* create filename */
+ GNUNET_asprintf (dest, "%s", filename);
+ GNUNET_free (backup);
+}
+
+
+/**
+ * Extracts the filename from an absolute file name and removes the extension
+ *
+ * @param file absolute file name
+ * @param dest where to store result
+ */
+void
+GNUNET_TRANSPORT_TESTING_get_test_source_name (const char *file,
+ char **dest)
+{
+ char *src = extract_filename (file);
+ char *split;
+
+ split = strstr (src, ".");
+ if (split != NULL)
+ {
+ split[0] = '\0';
+ }
+ GNUNET_asprintf (dest, "%s", src);
+ GNUNET_free (src);
+}
+
+
+/**
+ * Extracts the plugin name from an absolute file name and the test name
+ *
+ * @param file absolute file name
+ * @param test test name
+ * @param dest where to store result
+ */
+void
+GNUNET_TRANSPORT_TESTING_get_test_plugin_name (const char *file,
+ const char *test,
+ char **dest)
+{
+ char *filename;
+ char *dotexe;
+ char *e = extract_filename (file);
+ char *t = extract_filename (test);
+
+ if (NULL == e)
+ goto fail;
+ /* remove "lt-" */
+ filename = strstr (e, "tes");
+ if (NULL == filename)
+ goto fail;
+ /* remove ".exe" */
+ if (NULL != (dotexe = strstr (filename, ".exe")))
+ dotexe[0] = '\0';
+
+ /* find last _ */
+ filename = strstr (filename, t);
+ if (NULL == filename)
+ goto fail;
+ /* copy plugin */
+ filename += strlen (t);
+ if ('\0' != *filename)
+ filename++;
+ GNUNET_asprintf (dest, "%s", filename);
+ goto suc;
+fail:
+ (*dest) = NULL;
+suc:
+ GNUNET_free (t);
+ GNUNET_free (e);
+}
+
+
+/**
+ * This function takes the filename (e.g. argv[0), removes a "lt-"-prefix and
+ * if existing ".exe"-prefix and adds the peer-number
+ *
+ * @param file filename of the test, e.g. argv[0]
+ * @param dest where to write the filename
+ * @param count peer number
+ */
+void
+GNUNET_TRANSPORT_TESTING_get_config_name (const char *file,
+ char **dest,
+ int count)
+{
+ char *filename = extract_filename (file);
+ char *backup = filename;
+ char *dotexe;
+
+ if (NULL == filename)
+ goto fail;
+ /* remove "lt-" */
+ filename = strstr (filename, "tes");
+ if (NULL == filename)
+ goto fail;
+ /* remove ".exe" */
+ if (NULL != (dotexe = strstr (filename, ".exe")))
+ dotexe[0] = '\0';
+ GNUNET_asprintf (dest, "%s_peer%u.conf", filename, count);
+ GNUNET_free (backup);
+ return;
+fail:
+ (*dest) = NULL;
+ GNUNET_free (backup);
+}
+
-/* end of transport_testing.h */
+/* end of transport-testing.c */