2 This file is part of GNUnet.
3 (C) 2009, 2010, 2013 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file integration-tests/connection_watchdog.c
22 * @brief tool to monitor core and transport connections for consistency
23 * @author Matthias Wachs
26 #include "gnunet_common.h"
27 #include "gnunet_constants.h"
28 #include "gnunet_arm_service.h"
29 #include "gnunet_core_service.h"
30 #include "gnunet_util_lib.h"
31 #include "gnunet_transport_service.h"
32 #include "gnunet_statistics_service.h"
35 #define CHECK_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
36 #define STATS_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
37 #define REPEATED_STATS_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
38 #define STATS_VALUES 4
49 static int have_https;
52 static struct GNUNET_TRANSPORT_Handle *th;
53 static struct GNUNET_CORE_Handle *ch;
54 static struct GNUNET_PeerIdentity my_peer_id;
55 static const struct GNUNET_CONFIGURATION_Handle *mycfg;
56 static struct GNUNET_STATISTICS_Handle *stats;
59 static unsigned int transport_connections;
60 static unsigned int core_connections;
62 static GNUNET_SCHEDULER_TaskIdentifier check_task;
63 static GNUNET_SCHEDULER_TaskIdentifier statistics_task;
65 static uint64_t statistics_transport_connections;
66 static uint64_t statistics_transport_tcp_connections;
67 static uint64_t statistics_core_neighbour_entries;
68 static uint64_t statistics_core_entries_session_map;
70 static int stat_check_running;
72 static struct GNUNET_CONTAINER_MultiHashMap *peers;
76 struct GNUNET_PeerIdentity id;
77 int transport_connected;
79 struct GNUNET_TRANSPORT_TransmitHandle *th_ping;
80 struct GNUNET_CORE_TransmitHandle *ch_ping;
82 struct GNUNET_TRANSPORT_TransmitHandle *th_pong;
83 struct GNUNET_CORE_TransmitHandle *ch_pong;
94 struct TransportPlugin
97 * This is a doubly-linked list.
99 struct TransportPlugin *next;
102 * This is a doubly-linked list.
104 struct TransportPlugin *prev;
107 * Short name for the plugin (i.e. "tcp").
117 static struct TransportPlugin *phead;
118 static struct TransportPlugin *ptail;
122 map_check_it (void *cls,
123 const struct GNUNET_HashCode * key,
127 struct PeerContainer *pc = value;
128 if (pc->core_connected != pc->transport_connected)
130 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
131 "Inconsistent peer `%s': TRANSPORT %s <-> CORE %s\n",
132 GNUNET_i2s (&pc->id),
133 (GNUNET_YES == pc->transport_connected) ? "YES" : "NO",
134 (GNUNET_YES == pc->core_connected) ? "YES" : "NO");
143 map_cleanup_it (void *cls,
144 const struct GNUNET_HashCode * key,
147 struct PeerContainer *pc = value;
148 GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_remove(peers, key, value));
149 if (NULL != pc->th_ping)
151 GNUNET_TRANSPORT_notify_transmit_ready_cancel(pc->th_ping);
154 if (NULL != pc->th_pong)
156 GNUNET_TRANSPORT_notify_transmit_ready_cancel(pc->th_pong);
159 if (NULL != pc->ch_ping)
161 GNUNET_CORE_notify_transmit_ready_cancel (pc->ch_ping);
164 if (NULL != pc->ch_pong)
166 GNUNET_CORE_notify_transmit_ready_cancel(pc->ch_pong);
174 map_cleanup (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
176 GNUNET_CONTAINER_multihashmap_iterate (peers, &map_cleanup_it, NULL);
177 GNUNET_CONTAINER_multihashmap_destroy(peers);
181 map_check (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
184 check_task = GNUNET_SCHEDULER_NO_TASK;
185 GNUNET_CONTAINER_multihashmap_iterate (peers, &map_check_it, &fail);
187 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
188 "Inconsistent peers after connection consistency check: %u\n", fail);
190 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
191 "Inconsistent peers after connection consistency check: %u\n", fail);
196 GNUNET_SCHEDULER_add_now (cls, NULL);
202 stats_check (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
206 check_lowlevel_connections (int port, int protocol)
233 /* Use netstat to get a numeric list of all connections on port 'port' in state 'ESTABLISHED' */
234 GNUNET_asprintf(&cmdline, "netstat -n %s | grep %u | grep ESTABLISHED", proto, port);
236 if (system ("netstat -n > /dev/null 2> /dev/null"))
237 if (system ("netstat -n > /dev/null 2> /dev/null") == 0)
238 f = popen (cmdline, "r");
242 f = popen (cmdline, "r");
245 GNUNET_log_strerror(GNUNET_ERROR_TYPE_ERROR, "ss");
246 GNUNET_free (cmdline);
251 while (NULL != fgets (line, sizeof (line), f))
254 //printf ("%s", line);
258 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%i TCP connections established with port %u\n",
262 GNUNET_free (cmdline);
268 static struct TransportPlugin *
269 find_plugin (char * name)
271 struct TransportPlugin *cur = NULL;
273 for (cur = phead; cur != NULL; cur = cur->next)
275 if (0 == strcmp(name, cur->short_name))
282 stats_check_cb (void *cls, const char *subsystem,
283 const char *name, uint64_t value,
294 if ((STATS_VALUES == counter) || ((GNUNET_NO == have_tcp) && (STATS_VALUES - 1 == counter)))
296 int fail = GNUNET_NO;
300 int low_level_connections_udp = check_lowlevel_connections (2086, udp);
302 if (transport_connections != core_connections)
304 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
305 "%u transport notifications <-> %u core notifications\n",
306 transport_connections, core_connections);
310 if (transport_connections != statistics_transport_connections)
312 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
313 "%u transport notifications <-> %u in statistics (peers connected)\n",
314 transport_connections, statistics_transport_connections);
318 if (core_connections != statistics_core_entries_session_map)
320 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
321 "%u core notifications <-> %u in statistics (entries session map)\n",
322 core_connections, statistics_core_entries_session_map);
326 if (core_connections != statistics_core_neighbour_entries)
328 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
329 "%u core notifications <-> %u in statistics (neighbour entries allocated)\n",
330 core_connections, statistics_core_neighbour_entries);
334 if (GNUNET_NO == fail)
335 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
336 "Check successful : (%u transport / %u core) connections established\n", transport_connections, core_connections);
338 /* TCP plugin specific checks */
339 if (GNUNET_YES == have_tcp)
341 struct TransportPlugin * p = find_plugin ("tcp");
342 int low_level_connections_tcp = check_lowlevel_connections (p->port, p->protocol);
344 if (low_level_connections_tcp != -1)
346 if (statistics_transport_tcp_connections > low_level_connections_tcp)
348 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
349 "%u transport tcp sessions <-> %i established tcp connections\n",
350 statistics_transport_tcp_connections, low_level_connections_tcp);
352 else if (low_level_connections_tcp != -1)
354 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
355 "%u TCP connections, %u UDP connections \n",
356 low_level_connections_tcp, low_level_connections_udp);
359 if (transport_connections > statistics_transport_tcp_connections)
361 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
362 "%u transport notifications <-> %u in statistics (statistics_transport_tcp_connections)\n",
363 transport_connections, statistics_transport_tcp_connections);
367 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
368 " %u transport notifications <-> %u in statistics (statistics_transport_tcp_connections)\n",
369 transport_connections, statistics_transport_tcp_connections);
373 if (GNUNET_SCHEDULER_NO_TASK == statistics_task)
374 statistics_task = GNUNET_SCHEDULER_add_delayed(REPEATED_STATS_DELAY, &stats_check, NULL);
376 stat_check_running = GNUNET_NO;
383 GNUNET_NETWORK_STRUCT_BEGIN
387 struct GNUNET_MessageHeader header;
394 struct GNUNET_MessageHeader header;
398 GNUNET_NETWORK_STRUCT_END
402 send_transport_ping_cb (void *cls, size_t size, void *buf)
404 struct PeerContainer * pc = cls;
406 size_t mlen = sizeof (struct PING);
414 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
415 "Sending transport ping to `%s'\n", GNUNET_i2s (&pc->id));
416 ping.header.size = htons (mlen);
417 ping.header.type = htons (1234);
418 ping.src = htons (0);
422 memcpy (buf, &ping, mlen);
428 send_core_ping_cb (void *cls, size_t size, void *buf)
430 struct PeerContainer * pc = cls;
432 size_t mlen = sizeof (struct PING);
440 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
441 "Sending core ping to `%s'\n", GNUNET_i2s (&pc->id));
442 ping.header.size = htons (mlen);
443 ping.header.type = htons (1234);
444 ping.src = htons (1);
448 memcpy (buf, &ping, mlen);
454 map_ping_it (void *cls,
455 const struct GNUNET_HashCode * key,
458 struct PeerContainer *pc = value;
460 if (ping == GNUNET_YES)
462 if ((GNUNET_YES == pc->transport_connected) && (NULL == pc->th_ping))
463 pc->th_ping = GNUNET_TRANSPORT_notify_transmit_ready(th, &pc->id,
464 sizeof (struct PING), UINT_MAX,
465 GNUNET_TIME_UNIT_FOREVER_REL, &send_transport_ping_cb, pc);
469 if ((GNUNET_YES == pc->core_connected) && (NULL == pc->ch_ping))
470 pc->ch_ping = GNUNET_CORE_notify_transmit_ready(ch,
472 GNUNET_TIME_UNIT_FOREVER_REL,
474 sizeof (struct PING),
475 send_core_ping_cb, pc);
484 stats_check (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
486 statistics_task = GNUNET_SCHEDULER_NO_TASK;
488 if (GNUNET_YES == stat_check_running)
490 statistics_task = GNUNET_SCHEDULER_add_delayed(STATS_DELAY, &stats_check, NULL);
493 GNUNET_CONTAINER_multihashmap_iterate (peers, &map_ping_it, NULL);
495 stat_check_running = GNUNET_YES;
497 statistics_transport_connections = 0 ;
498 statistics_core_entries_session_map = 0;
499 statistics_core_neighbour_entries = 0;
501 GNUNET_STATISTICS_get (stats, "transport", "# peers connected", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_transport_connections);
502 GNUNET_STATISTICS_get (stats, "core", "# neighbour entries allocated", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_core_neighbour_entries);
503 GNUNET_STATISTICS_get (stats, "core", "# peers connected", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_core_entries_session_map);
505 /* TCP plugin specific checks */
506 if (GNUNET_YES == have_tcp)
507 GNUNET_STATISTICS_get (stats, "transport", "# TCP sessions active", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_transport_tcp_connections);
512 send_transport_pong_cb (void *cls, size_t size, void *buf)
514 struct PeerContainer * pc = cls;
516 size_t mlen = sizeof (struct PING);
524 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
525 "Sending transport pong to `%s'\n", GNUNET_i2s (&pc->id));
526 ping.header.size = htons (mlen);
527 ping.header.type = htons (4321);
528 ping.src = htons (0);
532 memcpy (buf, &ping, mlen);
538 send_core_pong_cb (void *cls, size_t size, void *buf)
540 struct PeerContainer * pc = cls;
542 size_t mlen = sizeof (struct PING);
550 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
551 "Sending core pong to `%s'\n", GNUNET_i2s (&pc->id));
552 ping.header.size = htons (mlen);
553 ping.header.type = htons (4321);
554 ping.src = htons (1);
558 memcpy (buf, &ping, mlen);
564 map_connect (const struct GNUNET_PeerIdentity *peer, void * source)
566 struct PeerContainer * pc;
567 if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains(peers, &peer->hashPubKey))
569 pc = GNUNET_malloc (sizeof (struct PeerContainer));
571 pc->core_connected = GNUNET_NO;
572 pc->transport_connected = GNUNET_NO;
573 GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put(peers, &peer->hashPubKey, pc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
576 pc = GNUNET_CONTAINER_multihashmap_get(peers, &peer->hashPubKey);
577 GNUNET_assert (NULL != pc);
581 if (GNUNET_NO == pc->transport_connected)
583 pc->transport_connected = GNUNET_YES;
584 if (GNUNET_YES == ping)
586 if (NULL == pc->th_ping)
587 pc->th_ping = GNUNET_TRANSPORT_notify_transmit_ready(th, peer, sizeof (struct PING), UINT_MAX, GNUNET_TIME_UNIT_FOREVER_REL, &send_transport_ping_cb, pc);
594 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
595 "%s notified multiple times about for peers `%s' (%s : %s)\n",
597 GNUNET_i2s (&pc->id),
598 "CORE", (pc->core_connected == GNUNET_YES) ? "yes" : "no");
604 if (GNUNET_NO == pc->core_connected)
606 pc->core_connected = GNUNET_YES;
607 if (GNUNET_YES == ping)
609 if (NULL == pc->ch_ping)
610 pc->ch_ping = GNUNET_CORE_notify_transmit_ready(ch,
612 GNUNET_TIME_UNIT_FOREVER_REL,
614 sizeof (struct PING),
615 send_core_ping_cb, pc);
622 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
623 "%s notified multiple times about for peers `%s' (%s : %s)\n",
625 GNUNET_i2s (&pc->id),
626 "TRANSPORT", (pc->transport_connected == GNUNET_YES) ? "yes" : "no");
630 if (GNUNET_SCHEDULER_NO_TASK != check_task)
631 GNUNET_SCHEDULER_cancel(check_task);
632 check_task = GNUNET_SCHEDULER_add_delayed(CHECK_DELAY, &map_check, NULL);
634 if (GNUNET_SCHEDULER_NO_TASK != statistics_task)
635 GNUNET_SCHEDULER_cancel(statistics_task);
636 statistics_task = GNUNET_SCHEDULER_add_delayed(STATS_DELAY, &stats_check, NULL);
641 map_disconnect (const struct GNUNET_PeerIdentity * peer, void * source)
644 struct PeerContainer * pc;
645 if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains(peers, &peer->hashPubKey))
649 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
650 "%s disconnect notification for unknown peer `%s'\n",
651 "TRANSPORT", GNUNET_i2s (peer));
657 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
658 "%s disconnect notification for unknown peer `%s'\n",
659 "CORE", GNUNET_i2s (peer));
664 pc = GNUNET_CONTAINER_multihashmap_get(peers, &peer->hashPubKey);
665 GNUNET_assert (NULL != pc);
669 if (NULL != pc->th_ping)
671 GNUNET_TRANSPORT_notify_transmit_ready_cancel(pc->th_ping);
674 if (NULL != pc->th_pong)
676 GNUNET_TRANSPORT_notify_transmit_ready_cancel(pc->th_pong);
680 if (GNUNET_YES == pc->transport_connected)
682 pc->transport_connected = GNUNET_NO;
686 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
687 "%s notified for not connected peer `%s' (%s : %s)\n",
689 GNUNET_i2s (&pc->id),
690 "CORE", (pc->core_connected == GNUNET_YES) ? "yes" : "no");
696 if (NULL != pc->ch_ping)
698 GNUNET_CORE_notify_transmit_ready_cancel (pc->ch_ping);
701 if (NULL != pc->ch_pong)
703 GNUNET_CORE_notify_transmit_ready_cancel (pc->ch_pong);
707 if (GNUNET_YES == pc->core_connected)
709 pc->core_connected = GNUNET_NO;
713 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
714 "%s notified for not connected peer `%s' (%s : %s)\n",
716 GNUNET_i2s (&pc->id),
717 "TRANSPORT", (pc->transport_connected == GNUNET_YES) ? "yes" : "no");
722 if ((GNUNET_NO == pc->core_connected) && (GNUNET_NO == pc->transport_connected))
724 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing peer `%s'\n", GNUNET_i2s (&pc->id));
725 GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_remove (peers, &peer->hashPubKey, pc));
731 if (GNUNET_SCHEDULER_NO_TASK != check_task)
732 GNUNET_SCHEDULER_cancel(check_task);
733 check_task = GNUNET_SCHEDULER_add_delayed(CHECK_DELAY, &map_check, NULL);
735 if (GNUNET_SCHEDULER_NO_TASK != statistics_task)
736 GNUNET_SCHEDULER_cancel(statistics_task);
737 statistics_task = GNUNET_SCHEDULER_add_delayed(STATS_DELAY, &stats_check, NULL);
742 cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
744 struct TransportPlugin *cur;
748 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
749 "Disconnecting from transport service\n");
750 GNUNET_TRANSPORT_disconnect (th);
757 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
758 "Disconnecting from core service\n");
759 GNUNET_CORE_disconnect (ch);
763 if (GNUNET_SCHEDULER_NO_TASK != statistics_task)
765 GNUNET_SCHEDULER_cancel(statistics_task);
766 statistics_task = GNUNET_SCHEDULER_NO_TASK;
769 if (GNUNET_SCHEDULER_NO_TASK != check_task)
771 GNUNET_SCHEDULER_cancel(check_task);
772 check_task = GNUNET_SCHEDULER_NO_TASK;
775 for (cur = phead; NULL != cur; cur = phead)
777 GNUNET_CONTAINER_DLL_remove(phead, ptail, cur);
778 GNUNET_free (cur->short_name);
782 check_task = GNUNET_SCHEDULER_add_now (&map_check, &map_cleanup);
787 transport_notify_connect_cb (void *cls,
788 const struct GNUNET_PeerIdentity* peer)
790 transport_connections ++;
791 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
792 "TRANSPORT connect for peer `%s' (%u total)\n",
794 transport_connections);
795 map_connect (peer, th);
800 * Function called to notify transport users that another
801 * peer disconnected from us.
804 * @param peer the peer that disconnected
807 transport_notify_disconnect_cb (void *cls,
808 const struct GNUNET_PeerIdentity *peer)
810 GNUNET_assert (transport_connections > 0);
811 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
812 "TRANSPORT disconnect for peer `%s' (%u total)\n",
814 transport_connections);
815 map_disconnect (peer, th);
816 transport_connections --;
821 transport_notify_receive_cb (void *cls,
823 GNUNET_PeerIdentity * peer,
825 GNUNET_MessageHeader *
828 struct PeerContainer *pc;
830 pc = GNUNET_CONTAINER_multihashmap_get (peers, &peer->hashPubKey);
837 if ((message->size == ntohs (sizeof (struct PING))) &&
838 (message->type == ntohs (1234)))
840 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
841 "Received %s %s from peer `%s'\n",
845 if (GNUNET_YES == ping)
847 if (NULL == pc->th_pong)
848 pc->th_pong = GNUNET_TRANSPORT_notify_transmit_ready(th,
849 peer, sizeof (struct PONG),
850 UINT_MAX, GNUNET_TIME_UNIT_FOREVER_REL,
851 &send_transport_pong_cb, pc);
857 if ((message->size == ntohs (sizeof (struct PONG))) && (message->type == ntohs (4321)))
859 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Received %s %s from peer `%s'\n",
867 core_notify_receive_cb (void *cls,
868 const struct GNUNET_PeerIdentity * peer,
869 const struct GNUNET_MessageHeader * message)
871 struct PeerContainer *pc = NULL;
873 pc = GNUNET_CONTAINER_multihashmap_get(peers, &peer->hashPubKey);
877 if (0 == memcmp (peer, &my_peer_id, sizeof (my_peer_id)))
880 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Received unexpected message type %u from unknown peer `%s'\n",
881 ntohs (message->type),
888 if ((message->size == ntohs (sizeof (struct PING))) && (message->type == ntohs (1234)))
890 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Received %s %s from peer `%s'\n",
894 if (GNUNET_YES == ping)
896 if (NULL == pc->ch_pong)
897 pc->ch_pong = GNUNET_CORE_notify_transmit_ready(ch,
899 GNUNET_TIME_UNIT_FOREVER_REL,
901 sizeof (struct PONG),
902 send_core_pong_cb, pc);
908 if ((message->size == ntohs (sizeof (struct PONG))) && (message->type == ntohs (4321)))
910 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Received %s %s from peer `%s'\n",
921 core_connect_cb (void *cls, const struct GNUNET_PeerIdentity *peer)
923 if (0 != memcmp (peer, &my_peer_id, sizeof (struct GNUNET_PeerIdentity)))
926 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE connect for peer `%s' (%u total)\n",
927 GNUNET_i2s (peer), core_connections);
928 map_connect (peer, ch);
932 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE connect for myself `%s' (%u total)\n",
933 GNUNET_i2s (peer), core_connections);
938 core_disconnect_cb (void *cls,
940 GNUNET_PeerIdentity * peer)
942 if (0 != memcmp (peer, &my_peer_id, sizeof (struct GNUNET_PeerIdentity)))
944 GNUNET_assert (core_connections > 0);
945 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE disconnect for peer `%s' (%u total)\n",
946 GNUNET_i2s (peer), core_connections);
947 map_disconnect (peer, ch);
952 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE disconnect for myself `%s' (%u total)\n",
953 GNUNET_i2s (peer), core_connections);
959 core_init_cb (void *cls,
960 const struct GNUNET_PeerIdentity *my_identity)
962 my_peer_id = *my_identity;
963 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Connected to core service\n");
970 struct TransportPlugin * cur;
975 unsigned long long port;
977 have_tcp = GNUNET_NO;
978 have_udp = GNUNET_NO;
979 have_http = GNUNET_NO;
980 have_https = GNUNET_NO;
981 have_unix = GNUNET_NO;
983 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (mycfg, "TRANSPORT", "PLUGINS", &plugs))
986 for (pos = strtok (plugs, " "); pos != NULL; pos = strtok (NULL, " "))
990 GNUNET_asprintf(&secname, "transport-%s", pos);
992 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (mycfg, secname, "PORT", &port))
994 GNUNET_free (secname);
998 GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Transport plugin: `%s' port %llu\n"), pos, port);
999 cur = GNUNET_malloc(sizeof (struct TransportPlugin));
1000 cur->short_name = GNUNET_strdup (pos);
1002 if (0 == strcmp("tcp", pos))
1004 have_tcp = GNUNET_YES;
1005 cur->protocol = tcp;
1007 if (0 == strcmp("udp", pos))
1009 have_udp = GNUNET_YES;
1010 cur->protocol = udp;
1012 if (0 == strcmp("http", pos))
1014 have_http = GNUNET_YES;
1015 cur->protocol = tcp;
1017 if (0 == strcmp("https", pos))
1019 have_https = GNUNET_YES;
1020 cur->protocol = tcp;
1022 if (0 == strcmp("unix", pos))
1024 have_unix = GNUNET_YES;
1025 cur->protocol = unixdomain;
1028 GNUNET_CONTAINER_DLL_insert(phead, ptail, cur);
1029 GNUNET_free (secname);
1031 GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Found %u transport plugins: `%s'\n"),
1034 GNUNET_free (plugs);
1039 * Main function that will be run by the scheduler.
1041 * @param cls closure
1042 * @param args remaining command-line arguments
1043 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1044 * @param cfg configuration
1047 run (void *cls, char *const *args, const char *cfgfile,
1048 const struct GNUNET_CONFIGURATION_Handle *cfg)
1050 transport_connections = 0;
1051 core_connections = 0;
1056 stats = GNUNET_STATISTICS_create ("watchdog", cfg);
1057 peers = GNUNET_CONTAINER_multihashmap_create (32, GNUNET_NO);
1059 th = GNUNET_TRANSPORT_connect(cfg, NULL, NULL,
1060 &transport_notify_receive_cb,
1061 &transport_notify_connect_cb,
1062 &transport_notify_disconnect_cb);
1063 GNUNET_assert (th != NULL);
1064 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Connected to transport service\n");
1065 ch = GNUNET_CORE_connect (cfg, NULL,
1068 &core_disconnect_cb,
1069 &core_notify_receive_cb, GNUNET_NO,
1072 GNUNET_assert (ch != NULL);
1074 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task, NULL);
1080 * The main function.
1082 * @param argc number of arguments from the command line
1083 * @param argv command line arguments
1084 * @return 0 ok, 1 on error
1087 main (int argc, char *const *argv)
1090 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
1091 {'p', "ping", NULL, gettext_noop ("Send ping messages to test connectivity (default == NO)"),
1092 GNUNET_NO, &GNUNET_GETOPT_set_one, &ping},
1093 GNUNET_GETOPT_OPTION_END
1096 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
1099 GNUNET_PROGRAM_run (argc, argv, "cn",
1100 gettext_noop ("help text"), options, &run,
1102 GNUNET_free ((void*) argv);
1106 /* end of connection_watchdog.c */