2 This file is part of GNUnet.
3 (C) 2009, 2010 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_getopt_lib.h"
31 #include "gnunet_os_lib.h"
32 #include "gnunet_program_lib.h"
33 #include "gnunet_scheduler_lib.h"
34 #include "gnunet_transport_service.h"
35 #include "gnunet_statistics_service.h"
38 #define CHECK_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
39 #define STATS_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
40 #define REPEATED_STATS_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
41 #define STATS_VALUES 4
52 static int have_https;
55 static struct GNUNET_TRANSPORT_Handle *th;
56 static struct GNUNET_CORE_Handle *ch;
57 static struct GNUNET_PeerIdentity my_peer_id;
58 static const struct GNUNET_CONFIGURATION_Handle *mycfg;
59 static struct GNUNET_STATISTICS_Handle *stats;
62 static unsigned int transport_connections;
63 static unsigned int core_connections;
65 static GNUNET_SCHEDULER_TaskIdentifier check_task;
66 static GNUNET_SCHEDULER_TaskIdentifier statistics_task;
68 static uint64_t statistics_transport_connections;
69 static uint64_t statistics_transport_tcp_connections;
70 static uint64_t statistics_core_neighbour_entries;
71 static uint64_t statistics_core_entries_session_map;
73 int stat_check_running;
75 static struct GNUNET_CONTAINER_MultiHashMap *peers;
79 struct GNUNET_PeerIdentity id;
80 int transport_connected;
82 struct GNUNET_TRANSPORT_TransmitHandle *th_ping;
83 struct GNUNET_CORE_TransmitHandle *ch_ping;
85 struct GNUNET_TRANSPORT_TransmitHandle *th_pong;
86 struct GNUNET_CORE_TransmitHandle *ch_pong;
97 struct TransportPlugin
100 * This is a doubly-linked list.
102 struct TransportPlugin *next;
105 * This is a doubly-linked list.
107 struct TransportPlugin *prev;
110 * Short name for the plugin (i.e. "tcp").
119 struct TransportPlugin *phead;
120 struct TransportPlugin *ptail;
123 map_check_it (void *cls,
124 const struct GNUNET_HashCode * key,
128 struct PeerContainer *pc = value;
129 if (pc->core_connected != pc->transport_connected)
131 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
132 "Inconsistent peer `%s': TRANSPORT %s <-> CORE %s\n",
133 GNUNET_i2s (&pc->id),
134 (GNUNET_YES == pc->transport_connected) ? "YES" : "NO",
135 (GNUNET_YES == pc->core_connected) ? "YES" : "NO");
144 map_cleanup_it (void *cls,
145 const struct GNUNET_HashCode * key,
148 struct PeerContainer *pc = value;
149 GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_remove(peers, key, value));
150 if (NULL != pc->th_ping)
152 GNUNET_TRANSPORT_notify_transmit_ready_cancel(pc->th_ping);
155 if (NULL != pc->th_pong)
157 GNUNET_TRANSPORT_notify_transmit_ready_cancel(pc->th_pong);
160 if (NULL != pc->ch_ping)
162 GNUNET_CORE_notify_transmit_ready_cancel (pc->ch_ping);
165 if (NULL != pc->ch_pong)
167 GNUNET_CORE_notify_transmit_ready_cancel(pc->ch_pong);
175 map_cleanup (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
177 GNUNET_CONTAINER_multihashmap_iterate (peers, &map_cleanup_it, NULL);
178 GNUNET_CONTAINER_multihashmap_destroy(peers);
182 map_check (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
185 check_task = GNUNET_SCHEDULER_NO_TASK;
186 GNUNET_CONTAINER_multihashmap_iterate (peers, &map_check_it, &fail);
188 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
189 "Inconsistent peers after connection consistency check: %u\n", fail);
191 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
192 "Inconsistent peers after connection consistency check: %u\n", fail);
197 GNUNET_SCHEDULER_add_now (cls, NULL);
203 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);
426 size_t send_core_ping_cb (void *cls, size_t size, void *buf)
428 struct PeerContainer * pc = cls;
430 size_t mlen = sizeof (struct PING);
438 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
439 "Sending core ping to `%s'\n", GNUNET_i2s (&pc->id));
440 ping.header.size = htons (mlen);
441 ping.header.type = htons (1234);
442 ping.src = htons (1);
446 memcpy (buf, &ping, mlen);
451 int map_ping_it (void *cls,
452 const struct GNUNET_HashCode * key,
455 struct PeerContainer *pc = value;
457 if (ping == GNUNET_YES)
459 if ((GNUNET_YES == pc->transport_connected) && (NULL == pc->th_ping))
460 pc->th_ping = GNUNET_TRANSPORT_notify_transmit_ready(th, &pc->id,
461 sizeof (struct PING), UINT_MAX,
462 GNUNET_TIME_UNIT_FOREVER_REL, &send_transport_ping_cb, pc);
466 if ((GNUNET_YES == pc->core_connected) && (NULL == pc->ch_ping))
467 pc->ch_ping = GNUNET_CORE_notify_transmit_ready(ch,
469 GNUNET_TIME_UNIT_FOREVER_REL,
471 sizeof (struct PING),
472 send_core_ping_cb, pc);
481 stats_check (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
483 statistics_task = GNUNET_SCHEDULER_NO_TASK;
485 if (GNUNET_YES == stat_check_running)
487 statistics_task = GNUNET_SCHEDULER_add_delayed(STATS_DELAY, &stats_check, NULL);
490 GNUNET_CONTAINER_multihashmap_iterate (peers, &map_ping_it, NULL);
492 stat_check_running = GNUNET_YES;
494 statistics_transport_connections = 0 ;
495 statistics_core_entries_session_map = 0;
496 statistics_core_neighbour_entries = 0;
498 GNUNET_STATISTICS_get (stats, "transport", "# peers connected", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_transport_connections);
499 GNUNET_STATISTICS_get (stats, "core", "# neighbour entries allocated", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_core_neighbour_entries);
500 GNUNET_STATISTICS_get (stats, "core", "# peers connected", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_core_entries_session_map);
502 /* TCP plugin specific checks */
503 if (GNUNET_YES == have_tcp)
504 GNUNET_STATISTICS_get (stats, "transport", "# TCP sessions active", GNUNET_TIME_UNIT_MINUTES, NULL, &stats_check_cb, &statistics_transport_tcp_connections);
509 size_t send_transport_pong_cb (void *cls, size_t size, void *buf)
511 struct PeerContainer * pc = cls;
513 size_t mlen = sizeof (struct PING);
521 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
522 "Sending transport pong to `%s'\n", GNUNET_i2s (&pc->id));
523 ping.header.size = htons (mlen);
524 ping.header.type = htons (4321);
525 ping.src = htons (0);
529 memcpy (buf, &ping, mlen);
534 send_core_pong_cb (void *cls, size_t size, void *buf)
536 struct PeerContainer * pc = cls;
538 size_t mlen = sizeof (struct PING);
546 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
547 "Sending core pong to `%s'\n", GNUNET_i2s (&pc->id));
548 ping.header.size = htons (mlen);
549 ping.header.type = htons (4321);
550 ping.src = htons (1);
554 memcpy (buf, &ping, mlen);
560 map_connect (const struct GNUNET_PeerIdentity *peer, void * source)
562 struct PeerContainer * pc;
563 if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains(peers, &peer->hashPubKey))
565 pc = GNUNET_malloc (sizeof (struct PeerContainer));
567 pc->core_connected = GNUNET_NO;
568 pc->transport_connected = GNUNET_NO;
569 GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put(peers, &peer->hashPubKey, pc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
572 pc = GNUNET_CONTAINER_multihashmap_get(peers, &peer->hashPubKey);
573 GNUNET_assert (NULL != pc);
577 if (GNUNET_NO == pc->transport_connected)
579 pc->transport_connected = GNUNET_YES;
580 if (GNUNET_YES == ping)
582 if (NULL == pc->th_ping)
583 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);
590 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
591 "%s notified multiple times about for peers `%s' (%s : %s)\n",
593 GNUNET_i2s (&pc->id),
594 "CORE", (pc->core_connected == GNUNET_YES) ? "yes" : "no");
600 if (GNUNET_NO == pc->core_connected)
602 pc->core_connected = GNUNET_YES;
603 if (GNUNET_YES == ping)
605 if (NULL == pc->ch_ping)
606 pc->ch_ping = GNUNET_CORE_notify_transmit_ready(ch,
608 GNUNET_TIME_UNIT_FOREVER_REL,
610 sizeof (struct PING),
611 send_core_ping_cb, pc);
618 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
619 "%s notified multiple times about for peers `%s' (%s : %s)\n",
621 GNUNET_i2s (&pc->id),
622 "TRANSPORT", (pc->transport_connected == GNUNET_YES) ? "yes" : "no");
626 if (GNUNET_SCHEDULER_NO_TASK != check_task)
627 GNUNET_SCHEDULER_cancel(check_task);
628 check_task = GNUNET_SCHEDULER_add_delayed(CHECK_DELAY, &map_check, NULL);
630 if (GNUNET_SCHEDULER_NO_TASK != statistics_task)
631 GNUNET_SCHEDULER_cancel(statistics_task);
632 statistics_task = GNUNET_SCHEDULER_add_delayed(STATS_DELAY, &stats_check, NULL);
637 map_disconnect (const struct GNUNET_PeerIdentity * peer, void * source)
640 struct PeerContainer * pc;
641 if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains(peers, &peer->hashPubKey))
645 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
646 "%s disconnect notification for unknown peer `%s'\n",
647 "TRANSPORT", GNUNET_i2s (peer));
653 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
654 "%s disconnect notification for unknown peer `%s'\n",
655 "CORE", GNUNET_i2s (peer));
660 pc = GNUNET_CONTAINER_multihashmap_get(peers, &peer->hashPubKey);
661 GNUNET_assert (NULL != pc);
665 if (NULL != pc->th_ping)
667 GNUNET_TRANSPORT_notify_transmit_ready_cancel(pc->th_ping);
670 if (NULL != pc->th_pong)
672 GNUNET_TRANSPORT_notify_transmit_ready_cancel(pc->th_pong);
676 if (GNUNET_YES == pc->transport_connected)
678 pc->transport_connected = GNUNET_NO;
682 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
683 "%s notified for not connected peer `%s' (%s : %s)\n",
685 GNUNET_i2s (&pc->id),
686 "CORE", (pc->core_connected == GNUNET_YES) ? "yes" : "no");
692 if (NULL != pc->ch_ping)
694 GNUNET_CORE_notify_transmit_ready_cancel (pc->ch_ping);
697 if (NULL != pc->ch_pong)
699 GNUNET_CORE_notify_transmit_ready_cancel (pc->ch_pong);
703 if (GNUNET_YES == pc->core_connected)
705 pc->core_connected = GNUNET_NO;
709 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
710 "%s notified for not connected peer `%s' (%s : %s)\n",
712 GNUNET_i2s (&pc->id),
713 "TRANSPORT", (pc->transport_connected == GNUNET_YES) ? "yes" : "no");
718 if ((GNUNET_NO == pc->core_connected) && (GNUNET_NO == pc->transport_connected))
720 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing peer `%s'\n", GNUNET_i2s (&pc->id));
721 GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_remove (peers, &peer->hashPubKey, pc));
727 if (GNUNET_SCHEDULER_NO_TASK != check_task)
728 GNUNET_SCHEDULER_cancel(check_task);
729 check_task = GNUNET_SCHEDULER_add_delayed(CHECK_DELAY, &map_check, NULL);
731 if (GNUNET_SCHEDULER_NO_TASK != statistics_task)
732 GNUNET_SCHEDULER_cancel(statistics_task);
733 statistics_task = GNUNET_SCHEDULER_add_delayed(STATS_DELAY, &stats_check, NULL);
738 cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
740 struct TransportPlugin * cur = phead;
744 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Disconnecting from transport service\n");
745 GNUNET_TRANSPORT_disconnect (th);
752 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Disconnecting from core service\n");
753 GNUNET_CORE_disconnect (ch);
757 if (GNUNET_SCHEDULER_NO_TASK != statistics_task)
759 GNUNET_SCHEDULER_cancel(statistics_task);
760 statistics_task = GNUNET_SCHEDULER_NO_TASK;
763 if (GNUNET_SCHEDULER_NO_TASK != check_task)
765 GNUNET_SCHEDULER_cancel(check_task);
766 check_task = GNUNET_SCHEDULER_NO_TASK;
769 for (cur = phead; cur != NULL; cur = phead)
771 GNUNET_CONTAINER_DLL_remove(phead, ptail, cur);
772 GNUNET_free (cur->short_name);
776 check_task = GNUNET_SCHEDULER_add_now (&map_check, &map_cleanup);
780 transport_notify_connect_cb (void *cls,
781 const struct GNUNET_PeerIdentity* peer)
783 transport_connections ++;
784 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "TRANSPORT connect for peer `%s' (%u total)\n",
785 GNUNET_i2s (peer), transport_connections);
786 map_connect (peer, th);
790 * Function called to notify transport users that another
791 * peer disconnected from us.
794 * @param peer the peer that disconnected
797 transport_notify_disconnect_cb (void *cls,
799 GNUNET_PeerIdentity * peer)
801 GNUNET_assert (transport_connections > 0);
802 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "TRANSPORT disconnect for peer `%s' (%u total)\n",
803 GNUNET_i2s (peer), transport_connections) ;
804 map_disconnect (peer, th);
805 transport_connections --;
810 transport_notify_receive_cb (void *cls,
812 GNUNET_PeerIdentity * peer,
814 GNUNET_MessageHeader *
819 struct PeerContainer *pc = NULL;
821 pc = GNUNET_CONTAINER_multihashmap_get(peers, &peer->hashPubKey);
829 if ((message->size == ntohs (sizeof (struct PING))) && (message->type == ntohs (1234)))
831 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Received %s %s from peer `%s'\n",
835 if (GNUNET_YES == ping)
837 if (NULL == pc->th_pong)
838 pc->th_pong = GNUNET_TRANSPORT_notify_transmit_ready(th,
839 peer, sizeof (struct PONG),
840 UINT_MAX, GNUNET_TIME_UNIT_FOREVER_REL,
841 &send_transport_pong_cb, pc);
847 if ((message->size == ntohs (sizeof (struct PONG))) && (message->type == ntohs (4321)))
849 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Received %s %s from peer `%s'\n",
857 core_notify_receive_cb (void *cls,
858 const struct GNUNET_PeerIdentity * peer,
859 const struct GNUNET_MessageHeader * message)
861 struct PeerContainer *pc = NULL;
863 pc = GNUNET_CONTAINER_multihashmap_get(peers, &peer->hashPubKey);
867 if (0 == memcmp (peer, &my_peer_id, sizeof (my_peer_id)))
870 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Received unexpected message type %u from unknown peer `%s'\n",
871 ntohs (message->type),
878 if ((message->size == ntohs (sizeof (struct PING))) && (message->type == ntohs (1234)))
880 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Received %s %s from peer `%s'\n",
884 if (GNUNET_YES == ping)
886 if (NULL == pc->ch_pong)
887 pc->ch_pong = GNUNET_CORE_notify_transmit_ready(ch,
889 GNUNET_TIME_UNIT_FOREVER_REL,
891 sizeof (struct PONG),
892 send_core_pong_cb, pc);
898 if ((message->size == ntohs (sizeof (struct PONG))) && (message->type == ntohs (4321)))
900 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Received %s %s from peer `%s'\n",
911 core_connect_cb (void *cls, const struct GNUNET_PeerIdentity *peer)
913 if (0 != memcmp (peer, &my_peer_id, sizeof (struct GNUNET_PeerIdentity)))
916 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE connect for peer `%s' (%u total)\n",
917 GNUNET_i2s (peer), core_connections);
918 map_connect (peer, ch);
922 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE connect for myself `%s' (%u total)\n",
923 GNUNET_i2s (peer), core_connections);
928 core_disconnect_cb (void *cls,
930 GNUNET_PeerIdentity * peer)
932 if (0 != memcmp (peer, &my_peer_id, sizeof (struct GNUNET_PeerIdentity)))
934 GNUNET_assert (core_connections > 0);
935 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE disconnect for peer `%s' (%u total)\n",
936 GNUNET_i2s (peer), core_connections);
937 map_disconnect (peer, ch);
942 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CORE disconnect for myself `%s' (%u total)\n",
943 GNUNET_i2s (peer), core_connections);
949 core_init_cb (void *cls,
950 const struct GNUNET_PeerIdentity *my_identity)
952 my_peer_id = *my_identity;
953 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Connected to core service\n");
960 struct TransportPlugin * cur;
965 unsigned long long port;
967 have_tcp = GNUNET_NO;
968 have_udp = GNUNET_NO;
969 have_http = GNUNET_NO;
970 have_https = GNUNET_NO;
971 have_unix = GNUNET_NO;
973 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (mycfg, "TRANSPORT", "PLUGINS", &plugs))
976 for (pos = strtok (plugs, " "); pos != NULL; pos = strtok (NULL, " "))
980 GNUNET_asprintf(&secname, "transport-%s", pos);
982 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (mycfg, secname, "PORT", &port))
984 GNUNET_free (secname);
988 GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Transport plugin: `%s' port %llu\n"), pos, port);
989 cur = GNUNET_malloc(sizeof (struct TransportPlugin));
990 cur->short_name = GNUNET_strdup (pos);
992 if (0 == strcmp("tcp", pos))
994 have_tcp = GNUNET_YES;
997 if (0 == strcmp("udp", pos))
999 have_udp = GNUNET_YES;
1000 cur->protocol = udp;
1002 if (0 == strcmp("http", pos))
1004 have_http = GNUNET_YES;
1005 cur->protocol = tcp;
1007 if (0 == strcmp("https", pos))
1009 have_https = GNUNET_YES;
1010 cur->protocol = tcp;
1012 if (0 == strcmp("unix", pos))
1014 have_unix = GNUNET_YES;
1015 cur->protocol = unixdomain;
1018 GNUNET_CONTAINER_DLL_insert(phead, ptail, cur);
1019 GNUNET_free (secname);
1021 GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Found %u transport plugins: `%s'\n"),
1024 GNUNET_free (plugs);
1028 * Main function that will be run by the scheduler.
1030 * @param cls closure
1031 * @param args remaining command-line arguments
1032 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1033 * @param cfg configuration
1036 run (void *cls, char *const *args, const char *cfgfile,
1037 const struct GNUNET_CONFIGURATION_Handle *cfg)
1039 transport_connections = 0;
1040 core_connections = 0;
1045 stats = GNUNET_STATISTICS_create ("watchdog", cfg);
1046 peers = GNUNET_CONTAINER_multihashmap_create (32, GNUNET_NO);
1048 th = GNUNET_TRANSPORT_connect(cfg, NULL, NULL,
1049 &transport_notify_receive_cb,
1050 &transport_notify_connect_cb,
1051 &transport_notify_disconnect_cb);
1052 GNUNET_assert (th != NULL);
1053 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Connected to transport service\n");
1054 ch = GNUNET_CORE_connect (cfg, NULL,
1057 &core_disconnect_cb,
1058 &core_notify_receive_cb, GNUNET_NO,
1061 GNUNET_assert (ch != NULL);
1063 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task, NULL);
1069 * The main function.
1071 * @param argc number of arguments from the command line
1072 * @param argv command line arguments
1073 * @return 0 ok, 1 on error
1076 main (int argc, char *const *argv)
1079 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
1080 {'p', "ping", NULL, gettext_noop ("Send ping messages to test connectivity (default == NO)"),
1081 GNUNET_NO, &GNUNET_GETOPT_set_one, &ping},
1082 GNUNET_GETOPT_OPTION_END
1085 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
1088 GNUNET_PROGRAM_run (argc, argv, "cn",
1089 gettext_noop ("help text"), options, &run,
1091 GNUNET_free ((void*) argv);
1095 /* end of connection_watchdog.c */