GNUnet  0.11.x
gnunet-service-testbed_oc.c
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1 /*
2  This file is part of GNUnet.
3  Copyright (C) 2008--2016 GNUnet e.V.
4 
5  GNUnet is free software: you can redistribute it and/or modify it
6  under the terms of the GNU Affero General Public License as published
7  by the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
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  Affero General Public License for more details.
14 
15  You should have received a copy of the GNU Affero General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>.
17 
18  SPDX-License-Identifier: AGPL3.0-or-later
19  */
20 
27 #include "gnunet-service-testbed.h"
30 
34 #ifdef LOG
35 #undef LOG
36 #endif
37 #define LOG(kind, ...) \
38  GNUNET_log_from (kind, "testbed-OC", __VA_ARGS__)
39 
40 
45 {
50 
55 
61 
66 
71 };
72 
73 
78 {
84 
90 
96 };
97 
98 
104 {
110 
115 };
116 
117 
123 {
130 
136 
142 
147  struct Neighbour *p2n;
148 };
149 
154 {
159 
164 
170 
174  struct Peer *peer;
175 
181 
186 
192 
197 
202 
206  char *emsg;
207 
211  union
212  {
216  struct LocalPeer2Context local;
217 
221  struct RemotePeer2Context remote;
222  } p2ctx;
223 
228 
233 
237  uint64_t op_id;
238 
244 
249 
254 
259 
263  uint32_t other_peer_id;
264 };
265 
266 
275 {
280 
285 
289  struct Peer *peer;
290 
295 
300 
305 
309  struct GNUNET_PeerIdentity a_id;
310 
315 
320 
324  uint64_t op_id;
325 };
326 
327 
332 
337 
343 
348 
349 
355 void
357 {
358  struct RegisteredHostContext *rhc = focc->rhc;
359 
361  rhc->focc_dll_tail,
362  focc);
363  GNUNET_free (focc->orig_msg);
364  GNUNET_free (focc);
365 }
366 
367 
373 static void
375 {
376  struct ForwardedOperationContext *fopc = cls;
377  struct RegisteredHostContext *rhc;
378  struct ForwardedOverlayConnectContext *focc;
379 
380  fopc->timeout_task = NULL;
381  rhc = fopc->cls;
382  focc = rhc->focc_dll_head;
383  LOG_DEBUG ("Overlay linking between peers %u and %u failed\n",
384  focc->peer1,
385  focc->peer2);
386  GST_cleanup_focc (focc);
388  if (NULL != rhc->focc_dll_head)
390 }
391 
392 
401 static void
403  const struct GNUNET_MessageHeader *msg)
404 {
405  struct ForwardedOperationContext *fopc = cls;
406  struct RegisteredHostContext *rhc;
407  struct ForwardedOverlayConnectContext *focc;
408 
409  rhc = fopc->cls;
411  focc = rhc->focc_dll_head;
412  GST_cleanup_focc (focc);
413  if (NULL != rhc->focc_dll_head)
415 }
416 
417 
423 void
425 {
426  struct ForwardedOperationContext *fopc;
427  struct ForwardedOverlayConnectContext *focc;
428  struct Peer *peer;
429  struct Slave *slave;
430 
431  focc = rhc->focc_dll_head;
432  GNUNET_assert (NULL != focc);
433  GNUNET_assert (RHC_DONE == rhc->state);
435  peer = GST_peer_list[focc->peer1];
436  GNUNET_assert (GNUNET_YES == peer->is_remote);
437  GNUNET_assert (NULL != (slave = peer->details.remote.slave));
438  fopc = GNUNET_new (struct ForwardedOperationContext);
439  fopc->client = focc->client;
440  fopc->operation_id = focc->operation_id;
441  fopc->cls = rhc;
442  fopc->type = OP_OVERLAY_CONNECT;
443  fopc->opc =
445  focc->operation_id,
446  focc->orig_msg,
448  fopc);
449  GNUNET_free (focc->orig_msg);
450  focc->orig_msg = NULL;
452  &
454  fopc);
456  fopcq_tail,
457  fopc);
458 }
459 
460 
466 static void
468 {
469  if (NULL != lp2c->ohh)
470  {
472  lp2c->ohh = NULL;
473  }
474  if (NULL != lp2c->tcc.cgh_p2_th)
475  {
477  lp2c->tcc.cgh_p2_th = NULL;
478  }
479  if (NULL != lp2c->tcc.cgh_p2_ats)
480  {
482  lp2c->tcc.cgh_p2_ats = NULL;
483  }
484  if (NULL != lp2c->tcc.csh)
485  {
487  lp2c->tcc.csh = NULL;
488  }
489 }
490 
491 
498 static void
500 {
501  if (NULL != rp2c->opc)
502  {
504  rp2c->opc = NULL;
505  }
506  if (NULL != rp2c->ncn)
507  {
509  rp2c->ncn = NULL;
510  }
511  if ((NULL != rp2c->p2c) && (NULL != rp2c->p2n))
512  {
514  rp2c->p2n = NULL;
515  }
516 }
517 
518 
524 #define PEER_EXPIRED(peer) \
525  ((GNUNET_YES == peer->destroy_flag) && (0 == peer->reference_cnt))
526 
532 static void
534 {
535  struct Peer *peer2;
536 
537  LOG_DEBUG ("0x%llx: Cleaning up occ\n",
538  (unsigned long long) occ->op_id);
539  GNUNET_free (occ->emsg);
540  GNUNET_free (occ->hello);
541  if (NULL != occ->send_hello_task)
543  if (NULL != occ->cleanup_task)
545  if (NULL != occ->timeout_task)
547  if (NULL != occ->cgh_ch)
549  if (NULL != occ->ghh)
552  GNUNET_assert (NULL != GST_peer_list);
553  GNUNET_assert (occ->peer->reference_cnt > 0);
554  occ->peer->reference_cnt--;
555  if (PEER_EXPIRED (occ->peer))
556  GST_destroy_peer (occ->peer);
557  switch (occ->type)
558  {
559  case OCC_TYPE_LOCAL:
560  peer2 = GST_peer_list[occ->other_peer_id];
561  GNUNET_assert (peer2->reference_cnt > 0);
562  peer2->reference_cnt--;
563  if (PEER_EXPIRED (peer2))
564  GST_destroy_peer (peer2);
565  cleanup_occ_lp2c (&occ->p2ctx.local);
566  break;
567 
570  cleanup_occ_rp2c (&occ->p2ctx.remote);
571  break;
572  }
574  occq_tail,
575  occ);
576  GNUNET_free (occ);
577 }
578 
579 
585 static void
586 do_cleanup_occ (void *cls)
587 {
588  struct OverlayConnectContext *occ = cls;
589 
590  occ->cleanup_task = NULL;
591  cleanup_occ (occ);
592 }
593 
594 
600 static void
602 {
603  struct OverlayConnectContext *occ = cls;
604 
605  GNUNET_assert (NULL != occ->timeout_task);
606  occ->timeout_task = NULL;
607  /* LOG (GNUNET_ERROR_TYPE_WARNING, */
608  /* "0x%llx: Timeout while connecting peers %u and %u: %s\n", occ->op_id, */
609  /* occ->peer->id, occ->other_peer_id, occ->emsg); */
611  occ->op_id,
612  occ->emsg);
613  cleanup_occ (occ);
614 }
615 
616 
622 void
624 {
625  struct ForwardedOperationContext *fopc;
626  struct ForwardedOperationContext *fopcn;
627  struct OverlayConnectContext *occ;
628  struct OverlayConnectContext *occn;
629 
630  for (fopc = fopcq_head; NULL != fopc; fopc = fopcn)
631  {
632  fopcn = fopc->next;
633  if (fopc->client == client)
634  {
637  }
638  }
639  for (occ = occq_head; NULL != occ; occ = occn)
640  {
641  occn = occ->next;
642  if (occ->client == client)
643  cleanup_occ (occ);
644  }
645  // FIXME: implement clean up for client_keep replacements!
646 }
647 
648 
652 static void
654 {
655  struct GNUNET_MQ_Envelope *env;
657 
658  LOG_DEBUG ("0x%llx: Peers connected - Sending overlay connect success\n",
659  (unsigned long long) occ->op_id);
660  env = GNUNET_MQ_msg (msg,
662  msg->event_type = htonl (GNUNET_TESTBED_ET_CONNECT);
663  msg->peer1 = htonl (occ->peer->id);
664  msg->peer2 = htonl (occ->other_peer_id);
665  msg->operation_id = GNUNET_htonll (occ->op_id);
667  env);
668 }
669 
670 
678 static void
680  const struct GNUNET_PeerIdentity *new_peer)
681 {
682  struct OverlayConnectContext *occ = cls;
683  char *new_peer_str;
684  char *other_peer_str;
685 
686  LOG_DEBUG ("Overlay connect notify\n");
687  if (0 ==
688  memcmp (new_peer, &occ->peer_identity,
689  sizeof(struct GNUNET_PeerIdentity)))
690  return;
691  new_peer_str = GNUNET_strdup (GNUNET_i2s (new_peer));
692  other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
693  if (0 !=
694  memcmp (new_peer,
695  &occ->other_peer_identity,
696  sizeof(struct GNUNET_PeerIdentity)))
697  {
698  LOG_DEBUG ("Unexpected peer %s connected when expecting peer %s\n",
699  new_peer_str,
700  other_peer_str);
701  GNUNET_free (new_peer_str);
702  GNUNET_free (other_peer_str);
703  return;
704  }
705  GNUNET_free (new_peer_str);
706  LOG_DEBUG ("0x%llx: Peer %s connected to peer %s\n",
707  (unsigned long long) occ->op_id,
708  other_peer_str,
709  GNUNET_i2s (&occ->peer_identity));
710  GNUNET_free (other_peer_str);
711  if (NULL != occ->send_hello_task)
712  {
714  occ->send_hello_task = NULL;
715  }
716  GNUNET_assert (NULL != occ->timeout_task);
718  occ->timeout_task = NULL;
719  switch (occ->type)
720  {
721  case OCC_TYPE_LOCAL:
722  cleanup_occ_lp2c (&occ->p2ctx.local);
723  break;
724 
727  cleanup_occ_rp2c (&occ->p2ctx.remote);
728  break;
729  }
730  GNUNET_free (occ->emsg);
731  occ->emsg = NULL;
734  occ);
735 }
736 
737 
748 static void
750  struct GNUNET_CORE_Handle *ch,
751  struct GNUNET_TRANSPORT_CoreHandle *th,
753  const struct GNUNET_PeerIdentity *my_identity,
754  const struct GNUNET_CONFIGURATION_Handle *cfg)
755 {
756  struct OverlayConnectContext *occ = cls;
757  struct LocalPeer2Context *lp2c;
758 
760  GNUNET_assert (NULL != occ->timeout_task);
761  GNUNET_free (occ->emsg);
762  if (NULL == ac)
763  {
764  GNUNET_asprintf (&occ->emsg,
765  "0x%llx: Failed to connect to ATS of peer with id: %u",
766  (unsigned long long) occ->op_id,
767  occ->peer->id);
769  occ->timeout_task =
771  occ);
772  return;
773  }
774  occ->emsg = NULL;
775 
776  GNUNET_asprintf (&occ->emsg,
777  "0x%llx: Timeout during GNUNET_ATS_connectivity_suggest() at peer %s",
778  (unsigned long long) occ->op_id,
780 
781  lp2c = &occ->p2ctx.local;
782  lp2c->tcc.csh =
784  &occ->peer_identity,
785  1);
786 }
787 
788 
798 static void
800  struct GNUNET_CORE_Handle *ch,
801  struct GNUNET_TRANSPORT_CoreHandle *th,
803  const struct GNUNET_PeerIdentity *my_identity,
804  const struct GNUNET_CONFIGURATION_Handle *cfg)
805 {
806  struct RemoteOverlayConnectCtx *rocc = cls;
807 
808  rocc->tcc.csh =
810  &rocc->a_id,
811  1);
812 }
813 
814 
821 static void
822 send_hello (void *cls);
823 
824 
832 static void
833 occ_hello_sent_cb (void *cls)
834 {
835  struct OverlayConnectContext *occ = cls;
836  struct LocalPeer2Context *lp2c;
837  struct Peer *peer2;
838 
840  GNUNET_assert (NULL != occ->timeout_task);
841  lp2c = &occ->p2ctx.local;
842  lp2c->ohh = NULL;
843 
844  GNUNET_assert (NULL == occ->send_hello_task);
845  GNUNET_free (occ->emsg);
846 
847  GNUNET_asprintf (&occ->emsg,
848  "0x%llx: Timeout while acquiring ATS of %s from cache",
849  (unsigned long long) occ->op_id,
851  GNUNET_assert (NULL != (peer2 = GST_peer_list[occ->other_peer_id]));
852  lp2c->tcc.cgh_p2_ats =
854  peer2->details.local.cfg,
857  occ, NULL, NULL, NULL);
858 }
859 
860 
868 static void
870 {
872  char *other_peer_str;
873  uint16_t msize;
874  uint16_t hello_size;
875 
877  GNUNET_assert (NULL != occ->hello);
878  other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
879  LOG_DEBUG (
880  "0x%llx: Offering HELLO of %s (size: %u) to %s via Remote Overlay Request\n",
881  (unsigned long long) occ->op_id,
882  GNUNET_i2s (&occ->peer_identity),
883  ntohs (occ->hello->size),
884  other_peer_str);
885  GNUNET_free (other_peer_str);
886  hello_size = ntohs (occ->hello->size);
887  msize = sizeof(struct GNUNET_TESTBED_RemoteOverlayConnectMessage)
888  + hello_size;
889  msg = GNUNET_malloc (msize);
890  msg->header.type =
892  msg->header.size = htons (msize);
893  msg->peer = htonl (occ->other_peer_id);
894  msg->operation_id = GNUNET_htonll (occ->op_id);
895  msg->peer_identity = occ->peer_identity;
896  GNUNET_memcpy (msg->hello,
897  occ->hello,
898  hello_size);
900  &msg->header);
901 }
902 
903 
911 static void
912 send_hello (void *cls)
913 {
914  struct OverlayConnectContext *occ = cls;
915  struct LocalPeer2Context *lp2c;
916  char *other_peer_str;
917 
918  occ->send_hello_task = NULL;
919  GNUNET_assert (NULL != occ->timeout_task);
920  GNUNET_assert (NULL != occ->hello);
921  if (OCC_TYPE_LOCAL != occ->type)
922  {
923  send_hello_thru_rocc (occ);
924  return;
925  }
926  lp2c = &occ->p2ctx.local;
927  other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
928  LOG_DEBUG ("0x%llx: Offering HELLO of %s to %s\n",
929  (unsigned long long) occ->op_id,
930  GNUNET_i2s (&occ->peer_identity),
931  other_peer_str);
932  GNUNET_free (other_peer_str);
933  lp2c->ohh =
935  occ->hello,
937  occ);
938  if (NULL == lp2c->ohh)
939  {
940  GNUNET_break (0);
941  occ->send_hello_task =
944  100
947  &send_hello, occ);
948  }
949 }
950 
951 
962 static void
964  struct GNUNET_CORE_Handle *ch,
965  struct GNUNET_TRANSPORT_CoreHandle *th,
967  const struct GNUNET_PeerIdentity *ignore_,
968  const struct
970 {
971  struct OverlayConnectContext *occ = cls;
972 
974  if (NULL == th)
975  {
976  GNUNET_asprintf (&occ->emsg,
977  "0x%llx: Cannot connect to TRANSPORT of %s",
978  (unsigned long long) occ->op_id,
981  occ->timeout_task =
983  return;
984  }
985  occ->p2ctx.local.tcc.th_ = th;
986  occ->p2ctx.local.tcc.cfg = cfg;
987  GNUNET_asprintf (&occ->emsg,
988  "0x%llx: Timeout while offering HELLO to %s",
989  (unsigned long long) occ->op_id,
992 }
993 
994 
1001 static void
1003 {
1004  struct Peer *peer2;
1005 
1006  /* HUH? Why to *obtain* HELLO? Seems we use this to *SEND* the
1007  HELLO! */
1009  "Connecting to transport of peer %s to obtain HELLO\n",
1011  GNUNET_assert (NULL == occ->emsg);
1012  GNUNET_assert (NULL != occ->hello);
1013  GNUNET_assert (NULL == occ->ghh);
1014  GNUNET_assert (NULL == occ->p1th_);
1015  GNUNET_assert (NULL == occ->cgh_p1th);
1016  if (OCC_TYPE_LOCAL == occ->type)
1017  {
1018  GNUNET_assert (NULL != (peer2 = GST_peer_list[occ->other_peer_id]));
1019  occ->p2ctx.local.tcc.cgh_p2_th =
1021  peer2->details.local.cfg,
1024  occ, NULL, NULL, NULL);
1025  return;
1026  }
1027  GNUNET_asprintf (&occ->emsg,
1028  "0x%llx: Timeout while offering HELLO to %s",
1029  (unsigned long long) occ->op_id,
1032 }
1033 
1034 
1043 static int
1044 test_address (void *cls,
1045  const struct GNUNET_HELLO_Address *address,
1047 {
1048  int *empty = cls;
1049 
1050  *empty = GNUNET_NO;
1051  return GNUNET_OK;
1052 }
1053 
1054 
1063 static void
1064 hello_update_cb (void *cls,
1065  const struct GNUNET_MessageHeader *hello)
1066 {
1067  struct OverlayConnectContext *occ = cls;
1068  int empty;
1069  uint16_t msize;
1070 
1071  msize = ntohs (hello->size);
1072  empty = GNUNET_YES;
1073  (void) GNUNET_HELLO_iterate_addresses ((const struct GNUNET_HELLO_Message *)
1074  hello, GNUNET_NO,
1075  &test_address,
1076  &empty);
1077  if (GNUNET_YES == empty)
1078  {
1079  LOG_DEBUG ("0x%llx: HELLO of %s is empty\n",
1080  (unsigned long long) occ->op_id,
1081  GNUNET_i2s (&occ->peer_identity));
1082  return;
1083  }
1084  LOG_DEBUG ("0x%llx: Received HELLO of %s\n",
1085  (unsigned long long) occ->op_id,
1086  GNUNET_i2s (&occ->peer_identity));
1087  occ->hello = GNUNET_malloc (msize);
1088  GST_cache_add_hello (occ->peer->id, hello);
1089  GNUNET_memcpy (occ->hello, hello, msize);
1091  occ->ghh = NULL;
1093  occ->cgh_p1th = NULL;
1094  occ->p1th_ = NULL;
1095  GNUNET_free (occ->emsg);
1096  occ->emsg = NULL;
1097  p2_transport_connect (occ);
1098 }
1099 
1100 
1110 static void
1112  struct GNUNET_CORE_Handle *ch,
1113  struct GNUNET_TRANSPORT_CoreHandle *th,
1115  const struct GNUNET_PeerIdentity *ignore_,
1116  const struct
1118 {
1119  struct OverlayConnectContext *occ = cls;
1120 
1121  GNUNET_free (occ->emsg);
1122  occ->emsg = NULL;
1123  if (NULL == th)
1124  {
1125  GNUNET_asprintf (&occ->emsg,
1126  "0x%llx: Cannot connect to TRANSPORT of %s",
1127  (unsigned long long) occ->op_id,
1128  GNUNET_i2s (&occ->peer_identity));
1130  occ->timeout_task =
1132  return;
1133  }
1134  GNUNET_assert (NULL == occ->p1th_);
1135  GNUNET_assert (NULL != occ->cgh_p1th);
1136  occ->p1th_ = th;
1137  GNUNET_asprintf (&occ->emsg,
1138  "0x%llx: Timeout while acquiring HELLO of peer %s",
1139  (unsigned long long) occ->op_id,
1140  GNUNET_i2s (&occ->peer_identity));
1143  &hello_update_cb,
1144  occ);
1145 }
1146 
1147 
1157 static void
1159  struct GNUNET_CORE_Handle *ch,
1160  struct GNUNET_TRANSPORT_CoreHandle *th,
1162  const struct GNUNET_PeerIdentity *my_identity,
1163  const struct GNUNET_CONFIGURATION_Handle *cfg)
1164 {
1165  struct OverlayConnectContext *occ = cls;
1166  const struct GNUNET_MessageHeader *hello;
1167 
1168  GNUNET_assert (NULL != occ->timeout_task);
1169  GNUNET_free (occ->emsg);
1170  if ((NULL == ch) || (NULL == my_identity))
1171  {
1172  GNUNET_asprintf (&occ->emsg,
1173  "0x%llx: Failed to connect to CORE of peer with "
1174  "id: %u",
1175  (unsigned long long) occ->op_id,
1176  occ->peer->id);
1178  occ->timeout_task =
1180  return;
1181  }
1182  occ->emsg = NULL;
1183  if (NULL !=
1185  &occ->other_peer_identity))
1186  {
1187  LOG_DEBUG ("0x%llx: Target peer already connected\n",
1188  (unsigned long long) occ->op_id);
1190  occ->timeout_task = NULL;
1193  return;
1194  }
1195  occ->peer_identity = *my_identity;
1196  LOG_DEBUG ("0x%llx: Acquiring HELLO of peer %s\n",
1197  (unsigned long long) occ->op_id,
1198  GNUNET_i2s (&occ->peer_identity));
1199  /* Lookup for HELLO in hello cache */
1200  if (NULL != (hello = GST_cache_lookup_hello (occ->peer->id)))
1201  {
1202  LOG_DEBUG ("0x%llx: HELLO of peer %s found in cache\n",
1203  (unsigned long long) occ->op_id,
1204  GNUNET_i2s (&occ->peer_identity));
1205  occ->hello = GNUNET_copy_message (hello);
1206  p2_transport_connect (occ);
1207  return;
1208  }
1209  GNUNET_asprintf (&occ->emsg,
1210  "0x%llx: Timeout while acquiring TRANSPORT of %s from cache",
1211  (unsigned long long) occ->op_id,
1212  GNUNET_i2s (&occ->peer_identity));
1213  occ->cgh_p1th =
1215  occ->peer->details.local.cfg,
1218  occ,
1219  NULL, NULL, NULL);
1220 }
1221 
1222 
1231 static void
1233  const struct GNUNET_MessageHeader *msg)
1234 {
1235  struct OverlayConnectContext *occ = cls;
1236  struct RemotePeer2Context *rp2c;
1238 
1239  GNUNET_assert (OCC_TYPE_LOCAL != occ->type);
1240  rp2c = &occ->p2ctx.remote;
1241  rp2c->opc = NULL;
1242  GNUNET_assert (NULL != occ->timeout_task);
1244  {
1246  occ->timeout_task =
1248  }
1249  cmsg =
1251  occ->other_peer_identity = cmsg->peer_identity;
1252  GNUNET_free (occ->emsg);
1253  GNUNET_asprintf (&occ->emsg,
1254  "0x%llx: Timeout while connecting to CORE of peer with "
1255  "id: %u",
1256  (unsigned long long) occ->op_id,
1257  occ->peer->id);
1258  occ->cgh_ch =
1260  occ->peer->details.local.cfg,
1263  occ,
1264  &occ->other_peer_identity,
1266  occ);
1267  return;
1268 }
1269 
1270 
1277 static void
1278 host_registration_comp (void *cls, const char *emsg)
1279 {
1280  struct RegisteredHostContext *rhc = cls;
1281 
1282  rhc->state = RHC_DONE;
1283  GST_process_next_focc (rhc);
1284 }
1285 
1286 
1297 static int
1299  const struct GNUNET_HashCode *key,
1300  void *value)
1301 {
1302  struct RegisteredHostContext **rh = cls;
1303  struct RegisteredHostContext *rh_val = value;
1304 
1305  if ((rh_val->host == (*rh)->host) && (rh_val->reg_host == (*rh)->reg_host))
1306  {
1307  GNUNET_free (*rh);
1308  *rh = rh_val;
1309  return GNUNET_NO;
1310  }
1311  return GNUNET_YES;
1312 }
1313 
1314 
1322 static struct GNUNET_HashCode
1323 hash_hosts (struct GNUNET_TESTBED_Host *reg_host,
1324  struct GNUNET_TESTBED_Host *host)
1325 {
1326  struct GNUNET_HashCode hash;
1327  uint32_t host_ids[2];
1328 
1329  host_ids[0] = GNUNET_TESTBED_host_get_id_ (reg_host);
1330  host_ids[1] = GNUNET_TESTBED_host_get_id_ (host);
1331  GNUNET_CRYPTO_hash (host_ids, sizeof(host_ids), &hash);
1332  return hash;
1333 }
1334 
1335 
1349 static struct RegisteredHostContext *
1350 register_host (struct Slave *slave,
1351  struct GNUNET_TESTBED_Host *host)
1352 {
1353  struct GNUNET_HashCode hash;
1354  struct RegisteredHostContext *rhc;
1355 
1356  rhc = GNUNET_new (struct RegisteredHostContext);
1357  rhc->reg_host = host;
1358  rhc->host = GST_host_list[slave->host_id];
1359  GNUNET_assert (NULL != rhc->reg_host);
1360  GNUNET_assert (NULL != rhc->host);
1361  rhc->state = RHC_INIT;
1362  hash = hash_hosts (rhc->reg_host, rhc->host);
1363  if ((GNUNET_NO ==
1365  &hash)) ||
1366  (GNUNET_SYSERR !=
1368  &hash,
1370  &rhc)))
1371  {
1372  /* create and add a new registered host context */
1373  /* add the focc to its queue */
1375  &hash,
1376  rhc,
1380  rhc,
1381  rhc->reg_host);
1382  }
1383  else
1384  {
1385  /* rhc is now set to the existing one from the hash map by
1386  * reghost_match_iterator() */
1387  /* if queue is empty then ignore creating focc and proceed with normal
1388  * forwarding */
1389  if (RHC_DONE == rhc->state)
1390  return NULL;
1391  }
1392  return rhc;
1393 }
1394 
1395 
1405 static void
1407  struct GNUNET_SERVICE_Client *client)
1408 {
1409  struct ForwardedOperationContext *fopc;
1410  struct Route *route_to_peer2_host;
1411  struct Route *route_to_peer1_host;
1412  struct Peer *peer;
1413  struct RegisteredHostContext *rhc;
1414  struct ForwardedOverlayConnectContext *focc;
1415  uint64_t op_id;
1416  uint32_t peer2_host_id;
1417  uint32_t p1;
1418  uint32_t p2;
1419 
1420  p1 = ntohl (msg->peer1);
1421  p2 = ntohl (msg->peer2);
1422  op_id = GNUNET_ntohll (msg->operation_id);
1423  peer2_host_id = ntohl (msg->peer2_host_id);
1426  peer = GST_peer_list[p1];
1427  GNUNET_assert (GNUNET_YES == peer->is_remote);
1428  LOG_DEBUG ("0x%llx: Forwarding overlay connect\n",
1429  (unsigned long long) op_id);
1430  route_to_peer2_host = GST_find_dest_route (peer2_host_id);
1431  route_to_peer1_host = GST_find_dest_route
1432  (peer->details.remote.remote_host_id);
1433  GNUNET_assert (NULL != route_to_peer1_host);
1434  if ((NULL != route_to_peer2_host) &&
1435  (route_to_peer1_host->dest == route_to_peer2_host->dest))
1436  goto forward;
1437  /* Peer2 is either with us OR peer1 and peer2 can be reached through
1438  different subtrees OR peer2 is on a subtree unknown to us */
1439  if (NULL != (rhc = register_host (peer->details.remote.slave,
1441  {
1442  LOG_DEBUG ("Queueing forwarding FOCC for connecting peers %u and %u\n", p1,
1443  p2);
1445  focc->rhc = rhc;
1446  focc->peer1 = p1;
1447  focc->peer2 = p2;
1448  focc->peer2_host_id = peer2_host_id;
1449  focc->orig_msg = GNUNET_copy_message (&msg->header);
1450  focc->operation_id = op_id;
1451  focc->client = client;
1453  rhc->focc_dll_tail,
1454  focc);
1455  return;
1456  }
1457 
1458 forward:
1459  LOG_DEBUG ("Forwarding without FOCC for connecting peers %u and %u\n", p1,
1460  p2);
1461  fopc = GNUNET_new (struct ForwardedOperationContext);
1462  fopc->client = client;
1463  fopc->operation_id = op_id;
1464  fopc->type = OP_OVERLAY_CONNECT;
1465  fopc->opc =
1467  slave->controller, op_id,
1468  &msg->header,
1470  fopc);
1471  fopc->timeout_task =
1474  fopc);
1476  fopcq_tail,
1477  fopc);
1478 }
1479 
1480 
1488 static void
1490  struct GNUNET_TESTBED_Controller *c)
1491 {
1492  struct OverlayConnectContext *occ = cls;
1493  struct RemotePeer2Context *rp2c;
1495 
1496  GNUNET_assert (OCC_TYPE_LOCAL != occ->type);
1497  rp2c = &occ->p2ctx.remote;
1498  rp2c->ncn = NULL;
1499  rp2c->p2c = c;
1500  cmsg.header.size =
1501  htons (sizeof(struct GNUNET_TESTBED_PeerGetConfigurationMessage));
1502  cmsg.header.type =
1504  cmsg.peer_id = htonl (occ->other_peer_id);
1505  cmsg.operation_id = GNUNET_htonll (occ->op_id);
1506  rp2c->opc =
1508  occ->op_id,
1509  &cmsg.header,
1511  occ);
1512  GNUNET_free (occ->emsg);
1513  GNUNET_asprintf (&occ->emsg,
1514  "0x%llx: Timeout while getting peer identity of peer "
1515  "with id: %u",
1516  (unsigned long long) occ->op_id,
1517  occ->other_peer_id);
1518 }
1519 
1520 
1527 void
1530 {
1531  struct GNUNET_SERVICE_Client *client = cls;
1532  struct Peer *peer;
1533  struct Peer *peer2;
1534  struct OverlayConnectContext *occ;
1535  struct Neighbour *p2n;
1536  uint64_t operation_id;
1537  uint32_t p1;
1538  uint32_t p2;
1539  uint32_t peer2_host_id;
1540 
1541  p1 = ntohl (msg->peer1);
1542  p2 = ntohl (msg->peer2);
1543  if (! VALID_PEER_ID (p1))
1544  {
1545  GNUNET_break (0);
1546  GNUNET_SERVICE_client_drop (client);
1547  return;
1548  }
1549  peer = GST_peer_list[p1];
1550  operation_id = GNUNET_ntohll (msg->operation_id);
1551  LOG_DEBUG
1552  ("Received overlay connect for peers %u and %u with op id: 0x%llx\n",
1553  p1,
1554  p2,
1555  (unsigned long long) operation_id);
1556  peer2_host_id = ntohl (msg->peer2_host_id);
1557  if (GNUNET_YES == peer->is_remote)
1558  {
1559  if (! VALID_HOST_ID (peer2_host_id))
1560  {
1561  GNUNET_break (0);
1562  GNUNET_SERVICE_client_drop (client);
1563  return;
1564  }
1565  forward_overlay_connect (msg, client);
1567  return;
1568  }
1569  p2n = NULL;
1570  occ = GNUNET_new (struct OverlayConnectContext);
1571  occ->type = OCC_TYPE_LOCAL;
1572  if (! VALID_PEER_ID (p2)) /* May be peer2 is on a another controller */
1573  {
1574  if (NULL == (p2n = GST_get_neighbour (peer2_host_id)))
1575  {
1576  if (! VALID_HOST_ID (peer2_host_id))
1577  {
1578  GNUNET_break (0);
1580  "0x%llx: Peer %u's host not in our neighbours list\n",
1581  (unsigned long long) operation_id, p2);
1582  GNUNET_SERVICE_client_drop (client);
1583  GNUNET_free (occ);
1584  return;
1585  }
1586  p2n = GST_create_neighbour (GST_host_list[peer2_host_id]);
1587  }
1589  occ->p2ctx.remote.p2n = p2n;
1590  }
1591  else if (GNUNET_YES == GST_peer_list[p2]->is_remote)
1592  {
1593  occ->type = OCC_TYPE_REMOTE_SLAVE;
1594  occ->p2ctx.remote.p2c = GST_peer_list[p2]->details.remote.slave->controller;
1595  }
1597  occq_tail,
1598  occ);
1599  occ->client = client;
1600  occ->other_peer_id = p2;
1602  occ->peer = GST_peer_list[p1];
1603  occ->op_id = operation_id;
1604  GNUNET_assert (NULL == occ->timeout_task);
1605  occ->timeout_task =
1608  occ);
1609  switch (occ->type)
1610  {
1612  GNUNET_asprintf (&occ->emsg,
1613  "0x%llx: Timeout while acquiring connection to peer %u's "
1614  "host: %u\n",
1615  (unsigned long long) occ->op_id,
1616  occ->other_peer_id,
1617  peer2_host_id);
1618  occ->p2ctx.remote.ncn
1621  occ);
1622  break;
1623 
1624  case OCC_TYPE_REMOTE_SLAVE:
1626  occ->p2ctx.remote.p2c);
1627  break;
1628 
1629  case OCC_TYPE_LOCAL:
1630  peer2 = GST_peer_list[occ->other_peer_id];
1631  peer2->reference_cnt++;
1633  &occ->other_peer_identity);
1634  GNUNET_asprintf (&occ->emsg,
1635  "0x%llx: Timeout while connecting to CORE of peer with "
1636  "id: %u",
1637  (unsigned long long) occ->op_id,
1638  occ->peer->id);
1639  occ->cgh_ch =
1641  occ->peer->details.local.cfg,
1644  &occ->other_peer_identity,
1645  &overlay_connect_notify, occ);
1646  break;
1647  }
1649 }
1650 
1651 
1658 static void
1660 {
1661  LOG_DEBUG ("0x%llx: Cleaning up rocc\n",
1662  (unsigned long long) rocc->op_id);
1663  if (NULL != rocc->attempt_connect_task_id)
1665  if (NULL != rocc->timeout_rocc_task_id)
1667  if (NULL != rocc->ohh)
1669  if (NULL != rocc->tcc.csh)
1673  GNUNET_assert (rocc->peer->reference_cnt > 0);
1674  rocc->peer->reference_cnt--;
1675  if ((GNUNET_YES == rocc->peer->destroy_flag) &&
1676  (0 == rocc->peer->reference_cnt))
1677  GST_destroy_peer (rocc->peer);
1678  GNUNET_free (rocc->hello);
1680  roccq_tail,
1681  rocc);
1682  GNUNET_free (rocc);
1683 }
1684 
1685 
1691 static void
1693 {
1694  struct RemoteOverlayConnectCtx *rocc = cls;
1695 
1696  GNUNET_assert (rocc->timeout_rocc_task_id != NULL);
1697  rocc->timeout_rocc_task_id = NULL;
1698  LOG_DEBUG ("0x%llx: rocc timed out\n",
1699  (unsigned long long) rocc->op_id);
1700  cleanup_rocc (rocc);
1701 }
1702 
1703 
1711 static void
1713  const struct GNUNET_PeerIdentity *new_peer)
1714 {
1715  struct RemoteOverlayConnectCtx *rocc = cls;
1716 
1717  LOG_DEBUG ("0x%llx: Request Overlay connect notify\n",
1718  (unsigned long long) rocc->op_id);
1719  GNUNET_assert (0 ==
1720  memcmp (new_peer, &rocc->a_id,
1721  sizeof(struct GNUNET_PeerIdentity)));
1722  LOG_DEBUG ("0x%llx: Peer %s connected\n",
1723  (unsigned long long) rocc->op_id,
1724  GNUNET_i2s (&rocc->a_id));
1725  cleanup_rocc (rocc);
1726 }
1727 
1728 
1735 static void
1736 attempt_connect_task (void *cls);
1737 
1738 
1746 static void
1748 {
1749  struct RemoteOverlayConnectCtx *rocc = cls;
1750 
1751  rocc->ohh = NULL;
1752  GNUNET_assert (NULL == rocc->attempt_connect_task_id);
1753  LOG_DEBUG ("0x%llx: HELLO of peer %s delivered to local peer with id: %u\n",
1754  (unsigned long long) rocc->op_id,
1755  GNUNET_i2s (&rocc->a_id),
1756  rocc->peer->id);
1757  rocc->tcc.cgh_p2_ats =
1759  rocc->peer->details.local.cfg,
1762  rocc, NULL, NULL, NULL);
1763 }
1764 
1765 
1772 static void
1774 {
1775  struct RemoteOverlayConnectCtx *rocc = cls;
1776 
1777  GNUNET_assert (NULL != rocc->attempt_connect_task_id);
1778  rocc->attempt_connect_task_id = NULL;
1779  LOG_DEBUG ("0x%llx: Offering HELLO of peer %s to remote peer with id: %u\n",
1780  (unsigned long long) rocc->op_id,
1781  GNUNET_i2s (&rocc->a_id),
1782  rocc->peer->id);
1783  rocc->ohh =
1785  rocc->hello,
1787  rocc);
1788  if (NULL == rocc->ohh)
1789  rocc->attempt_connect_task_id =
1792  100
1795  &attempt_connect_task, rocc);
1796 }
1797 
1798 
1808 static void
1810  struct GNUNET_CORE_Handle *ch,
1811  struct GNUNET_TRANSPORT_CoreHandle *th,
1813  const struct GNUNET_PeerIdentity *ignore_,
1814  const struct
1816 {
1817  struct RemoteOverlayConnectCtx *rocc = cls;
1818 
1819  if (NULL == th)
1820  {
1821  rocc->timeout_rocc_task_id =
1823  return;
1824  }
1825  rocc->tcc.th_ = th;
1826  rocc->tcc.cfg = cfg;
1827  if (NULL !=
1829  &rocc->a_id))
1830  {
1831  LOG_DEBUG ("0x%llx: Target peer %s already connected to local peer: %u\n",
1832  (unsigned long long) rocc->op_id,
1833  GNUNET_i2s (&rocc->a_id),
1834  rocc->peer->id);
1835  cleanup_rocc (rocc);
1836  return;
1837  }
1838  rocc->attempt_connect_task_id =
1840 }
1841 
1842 
1850 int
1852  const struct
1854 {
1855  uint32_t peer_id;
1856  uint16_t msize;
1857  uint16_t hsize;
1858 
1859  msize = ntohs (msg->header.size);
1860  if (GNUNET_MESSAGE_TYPE_HELLO != ntohs (msg->hello->type))
1861  {
1862  GNUNET_break (0);
1863  return GNUNET_SYSERR;
1864  }
1865  hsize = ntohs (msg->hello->size);
1866  if ((sizeof(struct GNUNET_TESTBED_RemoteOverlayConnectMessage) + hsize) !=
1867  msize)
1868  {
1869  GNUNET_break (0);
1870  return GNUNET_SYSERR;
1871  }
1872  peer_id = ntohl (msg->peer);
1873  if ((peer_id >= GST_peer_list_size) ||
1874  (NULL == GST_peer_list[peer_id]))
1875  {
1876  GNUNET_break_op (0);
1877  return GNUNET_SYSERR;
1878  }
1879  return GNUNET_OK;
1880 }
1881 
1882 
1889 void
1891  const struct
1893 {
1894  struct GNUNET_SERVICE_Client *client = cls;
1895  struct RemoteOverlayConnectCtx *rocc;
1896  struct Peer *peer;
1897  struct GNUNET_PeerIdentity pid;
1898  static char pid_str[16];
1899  uint32_t peer_id;
1900  uint16_t hsize;
1901 
1902  hsize = ntohs (msg->hello->size);
1903  peer_id = ntohl (msg->peer);
1905  if (GNUNET_YES == peer->is_remote)
1906  {
1907  struct GNUNET_MessageHeader *msg2;
1908 
1909  msg2 = GNUNET_copy_message (&msg->header);
1910  GNUNET_TESTBED_queue_message_ (peer->details.remote.slave->controller,
1911  msg2);
1913  return;
1914  }
1915  rocc = GNUNET_new (struct RemoteOverlayConnectCtx);
1916  rocc->op_id = GNUNET_ntohll (msg->operation_id);
1918  roccq_tail,
1919  rocc);
1920  rocc->a_id = msg->peer_identity;
1921  GNUNET_TESTING_peer_get_identity (peer->details.local.peer,
1922  &pid);
1923  (void) GNUNET_strlcpy (pid_str,
1924  GNUNET_i2s (&pid),
1925  sizeof(pid_str));
1926  LOG_DEBUG (
1927  "0x%llx: Remote overlay connect %s to peer %s with hello size: %u\n",
1928  (unsigned long long) rocc->op_id,
1929  pid_str,
1930  GNUNET_i2s (&rocc->a_id),
1931  hsize);
1932  rocc->peer = peer;
1933  rocc->peer->reference_cnt++;
1934  rocc->hello = GNUNET_malloc (hsize);
1935  GNUNET_memcpy (rocc->hello,
1936  msg->hello,
1937  hsize);
1938  rocc->tcc.cgh_p2_th =
1940  rocc->peer->details.local.cfg,
1943  rocc,
1944  &rocc->a_id,
1946  rocc);
1947  rocc->timeout_rocc_task_id =
1950  rocc);
1952 }
1953 
1954 
1958 void
1960 {
1961  struct OverlayConnectContext *occ;
1962 
1963  while (NULL != (occ = occq_head))
1964  cleanup_occ (occ);
1965 }
1966 
1967 
1971 void
1973 {
1974  struct RemoteOverlayConnectCtx *rocc;
1975 
1976  while (NULL != (rocc = roccq_head))
1977  cleanup_rocc (rocc);
1978 }
struct GNUNET_MessageHeader * msg
Definition: 005.c:2
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
static char * expiration
Credential TTL.
Definition: gnunet-abd.c:96
static const struct GNUNET_CONFIGURATION_Handle * cfg
Configuration we are using.
Definition: gnunet-abd.c:36
static int forward
Search direction: forward.
Definition: gnunet-abd.c:162
static char * peer_id
Option –peer.
Definition: gnunet-cadet.c:42
static struct GNUNET_CADET_Channel * ch
Channel handle.
Definition: gnunet-cadet.c:117
static char * address
GNS address for this phone.
struct GNUNET_HashCode key
The key used in the DHT.
static char * value
Value of the record to add/remove.
#define LOG_DEBUG(...)
Debug logging shorthand.
static struct GNUNET_MQ_Envelope * ac
Handle to current GNUNET_PEERINFO_add_peer() operation.
static struct GNUNET_PeerIdentity my_identity
Identity of this peer.
void GST_forwarded_operation_reply_relay(void *cls, const struct GNUNET_MessageHeader *msg)
Callback to relay the reply msg of a forwarded operation back to the client.
struct ForwardedOperationContext * fopcq_head
DLL head for forwarded operation contexts.
struct GNUNET_TESTBED_Host ** GST_host_list
Array of hosts.
struct GNUNET_TIME_Relative GST_timeout
Timeout for operations which may take some time.
void GST_send_operation_fail_msg(struct GNUNET_SERVICE_Client *client, uint64_t operation_id, const char *emsg)
Send operation failure message to client.
unsigned int GST_peer_list_size
The size of the peer list.
void GST_queue_host_registration(struct Slave *slave, GNUNET_TESTBED_HostRegistrationCompletion cb, void *cb_cls, struct GNUNET_TESTBED_Host *host)
Adds a host registration's request to a slave's registration queue.
struct ForwardedOperationContext * fopcq_tail
DLL tail for forwarded operation contexts.
void GST_forwarded_operation_timeout(void *cls)
Task to free resources when forwarded operation has been timed out.
data structures shared amongst components of TESTBED service
const struct GNUNET_MessageHeader * GST_cache_lookup_hello(const unsigned int peer_id)
Looks up in the hello cache and returns the HELLO of the given peer.
#define VALID_PEER_ID(id)
Condition to check if peer id is valid.
struct Route * GST_find_dest_route(uint32_t host_id)
Finds the route with directly connected host as destination through which the destination host can be...
void GST_destroy_peer(struct Peer *peer)
Function to destroy a peer.
struct Peer ** GST_peer_list
A list of peers we know about.
#define VALID_HOST_ID(id)
Condition to check if host id is valid.
void GST_cache_add_hello(const unsigned int peer_id, const struct GNUNET_MessageHeader *hello)
Caches the HELLO of the given peer.
struct GST_ConnectionPool_GetHandle * GST_connection_pool_get_handle(unsigned int peer_id, const struct GNUNET_CONFIGURATION_Handle *cfg, enum GST_ConnectionPool_Service service, GST_connection_pool_connection_ready_cb cb, void *cb_cls, const struct GNUNET_PeerIdentity *target, GST_connection_pool_peer_connect_notify connect_notify_cb, void *connect_notify_cb_cls)
Get a connection handle to service.
void GST_connection_pool_get_handle_done(struct GST_ConnectionPool_GetHandle *gh)
Relinquish a GST_ConnectionPool_GetHandle object.
Interface for connection pooling subroutines.
@ GST_CONNECTIONPOOL_SERVICE_TRANSPORT
Transport service.
@ GST_CONNECTIONPOOL_SERVICE_CORE
Core service.
@ GST_CONNECTIONPOOL_SERVICE_ATS_CONNECTIVITY
ATS service.
void handle_overlay_connect(void *cls, const struct GNUNET_TESTBED_OverlayConnectMessage *msg)
Handler for GNUNET_MESSAGE_TYPE_TESTBED_OVERLAY_CONNECT messages.
static void cleanup_occ_lp2c(struct LocalPeer2Context *lp2c)
Cleans up any used handles in local peer2 context.
static void send_overlay_connect_success_msg(struct OverlayConnectContext *occ)
FIXME.
static void forward_overlay_connect(const struct GNUNET_TESTBED_OverlayConnectMessage *msg, struct GNUNET_SERVICE_Client *client)
Forwards the overlay connect request to a slave controller.
static void rocc_hello_sent_cb(void *cls)
Task that is run when hello has been sent If tc->reason = GNUNET_SCHEDULER_REASON_TIMEOUT then sendin...
static void rocc_cache_get_handle_transport_cb(void *cls, struct GNUNET_CORE_Handle *ch, struct GNUNET_TRANSPORT_CoreHandle *th, struct GNUNET_ATS_ConnectivityHandle *ac, const struct GNUNET_PeerIdentity *ignore_, const struct GNUNET_CONFIGURATION_Handle *cfg)
Callback from cache with needed handles set.
int check_remote_overlay_connect(void *cls, const struct GNUNET_TESTBED_RemoteOverlayConnectMessage *msg)
Check GNUNET_MESSAGE_TYPE_TESTBED_REMOTE_OVERLAY_CONNECT messages.
static void overlay_connect_get_config(void *cls, const struct GNUNET_MessageHeader *msg)
Callback to be called when forwarded get peer config operation as part of overlay connect is successf...
static void occ_cache_get_handle_core_cb(void *cls, struct GNUNET_CORE_Handle *ch, struct GNUNET_TRANSPORT_CoreHandle *th, struct GNUNET_ATS_ConnectivityHandle *ac, const struct GNUNET_PeerIdentity *my_identity, const struct GNUNET_CONFIGURATION_Handle *cfg)
Callback from cache with needed CORE handle set.
static void cache_transport_peer_connect_notify(void *cls, const struct GNUNET_PeerIdentity *new_peer)
Function called to notify transport users that another peer connected to us.
static void do_cleanup_occ(void *cls)
Task for cleaning up overlay connect context structure.
static void occ_cache_get_handle_ats_rocc_cb(void *cls, struct GNUNET_CORE_Handle *ch, struct GNUNET_TRANSPORT_CoreHandle *th, struct GNUNET_ATS_ConnectivityHandle *ac, const struct GNUNET_PeerIdentity *my_identity, const struct GNUNET_CONFIGURATION_Handle *cfg)
Callback from cache with needed ATS handle set.
static struct OverlayConnectContext * occq_tail
DLL tail for OverlayConnectContext DLL.
static void attempt_connect_task(void *cls)
Task to offer the HELLO message to the peer and ask it to connect to the peer whose identity is in Re...
static void p1_transport_connect_cache_callback(void *cls, struct GNUNET_CORE_Handle *ch, struct GNUNET_TRANSPORT_CoreHandle *th, struct GNUNET_ATS_ConnectivityHandle *ac, const struct GNUNET_PeerIdentity *ignore_, const struct GNUNET_CONFIGURATION_Handle *cfg)
Callback from cache with needed handles set.
static void p2_transport_connect(struct OverlayConnectContext *occ)
Connects to the transport of the other peer if it is a local peer and schedules the send hello task.
static struct GNUNET_HashCode hash_hosts(struct GNUNET_TESTBED_Host *reg_host, struct GNUNET_TESTBED_Host *host)
Function to generate the hashcode corresponding to a RegisteredHostContext.
static struct OverlayConnectContext * occq_head
DLL head for OverlayConnectContext DLL - to be used to clean up during shutdown.
void GST_free_occq()
Clears all pending overlay connect contexts in queue.
static struct RegisteredHostContext * register_host(struct Slave *slave, struct GNUNET_TESTBED_Host *host)
Checks if the given host is registered at the given slave.
static void timeout_rocc_task(void *cls)
Task to timeout rocc and cleanit up.
void handle_remote_overlay_connect(void *cls, const struct GNUNET_TESTBED_RemoteOverlayConnectMessage *msg)
Handler for GNUNET_MESSAGE_TYPE_TESTBED_REMOTE_OVERLAY_CONNECT messages.
static int reghost_match_iterator(void *cls, const struct GNUNET_HashCode *key, void *value)
Iterator to match a registered host context.
static void forwarded_overlay_connect_listener(void *cls, const struct GNUNET_MessageHeader *msg)
Callback to be called when forwarded overlay connection operation has a reply from the sub-controller...
static void occ_cache_get_handle_ats_occ_cb(void *cls, struct GNUNET_CORE_Handle *ch, struct GNUNET_TRANSPORT_CoreHandle *th, struct GNUNET_ATS_ConnectivityHandle *ac, const struct GNUNET_PeerIdentity *my_identity, const struct GNUNET_CONFIGURATION_Handle *cfg)
Callback from cache with needed ATS handle set.
static void hello_update_cb(void *cls, const struct GNUNET_MessageHeader *hello)
Function called whenever there is an update to the HELLO of peers in the OverlayConnectClosure.
static void host_registration_comp(void *cls, const char *emsg)
Callback which will be called after a host registration succeeded or failed.
void GST_cleanup_focc(struct ForwardedOverlayConnectContext *focc)
Cleans up ForwardedOverlayConnectContext.
static void p2_controller_connect_cb(void *cls, struct GNUNET_TESTBED_Controller *c)
Callback called when a connection to the controller of peer2 has been established.
static void send_hello(void *cls)
Task to offer HELLO of peer 1 to peer 2 and try to make peer 2 to connect to peer 1.
static void send_hello_thru_rocc(struct OverlayConnectContext *occ)
Sends the HELLO of peer1 to peer2's controller through remote overlay connect request.
static void timeout_overlay_connect(void *cls)
Task which will be run when overlay connect request has been timed out.
static struct RemoteOverlayConnectCtx * roccq_tail
DLL tail for RequectOverlayConnectContext DLL.
void GST_free_roccq()
Clears all pending remote overlay connect contexts in queue.
static struct RemoteOverlayConnectCtx * roccq_head
DLL head for RequectOverlayConnectContext DLL - to be used to clean up during shutdown.
#define PEER_EXPIRED(peer)
Condition for checking if given peer is ready to be destroyed.
static void p2_transport_connect_cache_callback(void *cls, struct GNUNET_CORE_Handle *ch, struct GNUNET_TRANSPORT_CoreHandle *th, struct GNUNET_ATS_ConnectivityHandle *ac, const struct GNUNET_PeerIdentity *ignore_, const struct GNUNET_CONFIGURATION_Handle *cfg)
Callback from cache with needed handles set.
void GST_process_next_focc(struct RegisteredHostContext *rhc)
Processes a forwarded overlay connect context in the queue of the given RegisteredHostContext.
static int test_address(void *cls, const struct GNUNET_HELLO_Address *address, struct GNUNET_TIME_Absolute expiration)
Test for checking whether HELLO message is empty.
static void cleanup_rocc(struct RemoteOverlayConnectCtx *rocc)
Function to cleanup RemoteOverlayConnectCtx and any associated tasks with it.
OverlayConnectContextType
Types for context information we create for overlay connect requests.
@ OCC_TYPE_LOCAL
This type is used if the overlay connection is local i.e.
@ OCC_TYPE_REMOTE_LATERAL
Type to be used when the first peer is local and the other peer is on a controller which is not start...
@ OCC_TYPE_REMOTE_SLAVE
Type to be used when the first peer is local and the other peer is on a slave controller started by u...
#define LOG(kind,...)
Redefine LOG with a changed log component string.
void GST_notify_client_disconnect_oc(struct GNUNET_SERVICE_Client *client)
Notify OC subsystem that client disconnected.
static void cleanup_occ(struct OverlayConnectContext *occ)
Cleanup overlay connect context structure.
static void overlay_connect_notify(void *cls, const struct GNUNET_PeerIdentity *new_peer)
Function called to notify transport users that another peer connected to us.
static void forwarded_overlay_connect_timeout(void *cls)
Timeout task for cancelling a forwarded overlay connect connect.
static void occ_hello_sent_cb(void *cls)
Task that is run when hello has been sent If tc->reason = GNUNET_SCHEDULER_REASON_TIMEOUT then sendin...
static void cleanup_occ_rp2c(struct RemotePeer2Context *rp2c)
Cleans up any used handles in remote peer2 context.
static struct GNUNET_PeerIdentity pid
Identity of the peer we transmit to / connect to.
#define GNUNET_log(kind,...)
uint64_t GNUNET_ntohll(uint64_t n)
Convert unsigned 64-bit integer to host byte order.
Definition: common_endian.c:53
uint64_t GNUNET_htonll(uint64_t n)
Convert unsigned 64-bit integer to network byte order.
Definition: common_endian.c:36
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
@ GNUNET_OK
Definition: gnunet_common.h:95
@ GNUNET_YES
Definition: gnunet_common.h:97
@ GNUNET_NO
Definition: gnunet_common.h:94
@ GNUNET_SYSERR
Definition: gnunet_common.h:93
struct GNUNET_ATS_ConnectivitySuggestHandle * GNUNET_ATS_connectivity_suggest(struct GNUNET_ATS_ConnectivityHandle *ch, const struct GNUNET_PeerIdentity *peer, uint32_t strength)
We would like to receive address suggestions for a peer.
void GNUNET_ATS_connectivity_suggest_cancel(struct GNUNET_ATS_ConnectivitySuggestHandle *sh)
We no longer care about being connected to a peer.
struct GNUNET_MQ_Handle * GNUNET_CORE_get_mq(const struct GNUNET_CORE_Handle *h, const struct GNUNET_PeerIdentity *pid)
Obtain the message queue for a connected peer.
Definition: core_api.c:761
uint32_t GNUNET_CRYPTO_random_u32(enum GNUNET_CRYPTO_Quality mode, uint32_t i)
Produce a random value.
@ GNUNET_CRYPTO_QUALITY_WEAK
No good quality of the operation is needed (i.e., random numbers can be pseudo-random).
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
#define GNUNET_CONTAINER_DLL_insert_tail(head, tail, element)
Insert an element at the tail of a DLL.
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:41
int GNUNET_CONTAINER_multihashmap_get_multiple(struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key, GNUNET_CONTAINER_MulitHashMapIteratorCallback it, void *it_cls)
Iterate over all entries in the map that match a particular key.
int GNUNET_CONTAINER_multihashmap_contains(const struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key)
Check if the map contains any value under the given key (including values that are NULL).
int GNUNET_CONTAINER_multihashmap_put(struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key, void *value, enum GNUNET_CONTAINER_MultiHashMapOption opt)
Store a key-value pair in the map.
@ GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE
Allow multiple values with the same key.
struct GNUNET_HELLO_Message * GNUNET_HELLO_iterate_addresses(const struct GNUNET_HELLO_Message *msg, int return_modified, GNUNET_HELLO_AddressIterator it, void *it_cls)
Iterate over all of the addresses in the HELLO.
Definition: hello.c:254
#define GNUNET_break_op(cond)
Use this for assertion violations caused by other peers (i.e.
const char * GNUNET_i2s(const struct GNUNET_PeerIdentity *pid)
Convert a peer identity to a string (for printing debug messages).
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur.
@ GNUNET_ERROR_TYPE_WARNING
@ GNUNET_ERROR_TYPE_DEBUG
int int GNUNET_asprintf(char **buf, const char *format,...) __attribute__((format(printf
Like asprintf, just portable.
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
#define GNUNET_malloc(size)
Wrapper around malloc.
struct GNUNET_MessageHeader * GNUNET_copy_message(const struct GNUNET_MessageHeader *msg)
Create a copy of the given message.
#define GNUNET_free(ptr)
Wrapper around free.
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
#define GNUNET_MQ_msg(mvar, type)
Allocate a GNUNET_MQ_Envelope.
Definition: gnunet_mq_lib.h:67
#define GNUNET_MESSAGE_TYPE_TESTBED_GET_PEER_INFORMATION
Message to get a peer's information.
#define GNUNET_MESSAGE_TYPE_TESTBED_REMOTE_OVERLAY_CONNECT
Message to request a controller to make one of its peer to connect to another peer using the containe...
#define GNUNET_MESSAGE_TYPE_HELLO
HELLO message with friend only flag used for communicating peer addresses.
#define GNUNET_MESSAGE_TYPE_TESTBED_PEER_INFORMATION
Message containing the peer's information.
#define GNUNET_MESSAGE_TYPE_TESTBED_PEER_CONNECT_EVENT
Message for peer connect events.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_now(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run as soon as possible.
Definition: scheduler.c:1296
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:972
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_delayed(struct GNUNET_TIME_Relative delay, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified delay.
Definition: scheduler.c:1269
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2325
struct GNUNET_MQ_Handle * GNUNET_SERVICE_client_get_mq(struct GNUNET_SERVICE_Client *c)
Obtain the message queue of c.
Definition: service.c:2438
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2244
size_t GNUNET_strlcpy(char *dst, const char *src, size_t n)
Like strlcpy but portable.
Definition: strings.c:162
@ GNUNET_TESTBED_ET_CONNECT
A connection between two peers was established.
void GNUNET_TESTING_peer_get_identity(struct GNUNET_TESTING_Peer *peer, struct GNUNET_PeerIdentity *id)
Obtain the peer identity from a peer handle.
Definition: testing.c:1332
#define GNUNET_TIME_UNIT_MILLISECONDS
One millisecond.
struct GNUNET_TIME_Relative GNUNET_TIME_relative_multiply(struct GNUNET_TIME_Relative rel, unsigned long long factor)
Multiply relative time by a given factor.
Definition: time.c:311
struct GNUNET_TRANSPORT_HelloGetHandle * GNUNET_TRANSPORT_hello_get(const struct GNUNET_CONFIGURATION_Handle *cfg, enum GNUNET_TRANSPORT_AddressClass ac, GNUNET_TRANSPORT_HelloUpdateCallback rec, void *rec_cls)
Obtain updates on changes to the HELLO message for this peer.
struct GNUNET_MQ_Handle * GNUNET_TRANSPORT_core_get_mq(struct GNUNET_TRANSPORT_CoreHandle *handle, const struct GNUNET_PeerIdentity *peer)
Checks if a given peer is connected to us and get the message queue.
void GNUNET_TRANSPORT_offer_hello_cancel(struct GNUNET_TRANSPORT_OfferHelloHandle *ohh)
Cancel the request to transport to offer the HELLO message.
struct GNUNET_TRANSPORT_OfferHelloHandle * GNUNET_TRANSPORT_offer_hello(const struct GNUNET_CONFIGURATION_Handle *cfg, const struct GNUNET_MessageHeader *hello, GNUNET_SCHEDULER_TaskCallback cont, void *cont_cls)
Offer the transport service the HELLO of another peer.
void GNUNET_TRANSPORT_hello_get_cancel(struct GNUNET_TRANSPORT_HelloGetHandle *ghh)
Stop receiving updates about changes to our HELLO message.
@ GNUNET_TRANSPORT_AC_ANY
Bitmask for "any" address.
Context information for requesting ATS to connect to a peer.
struct GST_ConnectionPool_GetHandle * cgh_p2_ats
The GetCacheHandle for the peer2's ATS handle.
struct GST_ConnectionPool_GetHandle * cgh_p2_th
The GetCacheHandle for the peer2's transport handle (used to offer the HELLO to the peer).
struct GNUNET_TRANSPORT_CoreHandle * th_
The transport handle obtained from cache.
const struct GNUNET_CONFIGURATION_Handle * cfg
Configuration of the peer from cache.
struct GNUNET_ATS_ConnectivitySuggestHandle * csh
The ATS handle for the connectivity suggestion.
Context information for operations forwarded to subcontrollers.
struct GNUNET_SCHEDULER_Task * timeout_task
Task ID for the timeout task.
enum OperationType type
The type of the operation which is forwarded.
struct OperationContext * opc
The generated operation context.
struct GNUNET_SERVICE_Client * client
The client to which we have to reply.
struct ForwardedOperationContext * next
The next pointer for DLL.
uint64_t operation_id
The id of the operation that has been forwarded.
Context information to used during operations which forward the overlay connect message.
struct RegisteredHostContext * rhc
Which host does this FOCC belong to?
uint64_t operation_id
The id of the operation which created this context information.
struct GNUNET_SERVICE_Client * client
The client handle.
uint32_t peer2_host_id
Id of the host where peer2 is running.
struct GNUNET_MessageHeader * orig_msg
A copy of the original overlay connect message.
Handle to the ATS subsystem for connectivity management.
Handle for ATS address suggestion requests.
Context for the core service connection.
Definition: core_api.c:78
An address for communicating with a peer.
A HELLO message is used to exchange information about transports with other peers.
A 512-bit hashcode.
Header for all communications.
uint16_t type
The type of the message (GNUNET_MESSAGE_TYPE_XXXX), in big-endian format.
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format.
The identity of the host (wraps the signing key of the peer).
Entry in list of pending tasks.
Definition: scheduler.c:135
Handle to a client that is connected to a service.
Definition: service.c:251
Event notification from a controller to a client.
Definition: testbed.h:476
Handle to interact with a GNUnet testbed controller.
Definition: testbed_api.h:194
Opaque handle to a host running experiments managed by the testing framework.
Message sent from client to testing service to connect two peers.
Definition: testbed.h:376
Peer configuration and identity reply from controller to a client.
Definition: testbed.h:604
struct GNUNET_PeerIdentity peer_identity
Identity of the peer.
Definition: testbed.h:623
Message sent from client to testing service to obtain the configuration of a peer.
Definition: testbed.h:582
uint64_t operation_id
Operation ID that is used to identify this operation.
Definition: testbed.h:596
uint32_t peer_id
Unique ID for the peer.
Definition: testbed.h:591
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_GET_PEER_INFORMATION.
Definition: testbed.h:586
struct GNUNET_TESTBED_Controller * controller
Our controller context (not necessarily the controller that is responsible for starting/running the p...
Message sent from host controller of a peer(A) to the host controller of another peer(B) to request B...
Definition: testbed.h:409
Time for absolute times used by GNUnet, in microseconds.
Handle for the transport service (includes all of the state for the transport service).
Functions to call with this peer's HELLO.
Entry in linked list for all offer-HELLO requests.
The request handle for obtaining a pooled connection.
Context data for operations on second peer in local overlay connection contexts.
struct ConnectivitySuggestContext tcc
The transport ConnectivitySuggestContext.
struct GNUNET_TRANSPORT_OfferHelloHandle * ohh
The handle for offering the HELLO of the first peer to the second peer.
Notification context to be used to notify when connection to the neighbour's controller is opened.
A connected controller which is not our child.
Context information for GNUNET_TESTBED_Operation.
Definition: testbed_api.h:137
Context information for connecting 2 peers in overlay.
struct GNUNET_MessageHeader * hello
HELLO of the first peer.
struct GNUNET_TRANSPORT_CoreHandle * p1th_
Transport handle of the first peer obtained from cache to get its HELLO.
struct RemotePeer2Context remote
Context information to be used if the second peer is remote.
struct GNUNET_PeerIdentity other_peer_identity
The peer identity of the other peer.
struct GNUNET_SERVICE_Client * client
The client which has requested for overlay connection.
struct LocalPeer2Context local
Context information to be used if the second peer is local.
uint64_t op_id
The id of the operation responsible for creating this context.
union OverlayConnectContext::@59 p2ctx
Context information for operations on the second peer.
struct GNUNET_SCHEDULER_Task * send_hello_task
The id of the task for sending HELLO of peer 2 to peer 1 and ask peer 1 to connect to peer 2.
struct GNUNET_PeerIdentity peer_identity
The peer identity of the first peer.
struct GST_ConnectionPool_GetHandle * cgh_ch
The GST_ConnectionPool_GetHandle for registering callback to notify CORE level peer connects and to g...
struct GNUNET_SCHEDULER_Task * cleanup_task
The id of the cleanup task.
enum OverlayConnectContextType type
The type of this context information.
struct Peer * peer
the first peer which is to expect an overlay connection from the second peer.
uint32_t other_peer_id
The id of the second peer which has to connect to the first peer.
struct GNUNET_SCHEDULER_Task * timeout_task
The id of the overlay connect timeout task.
struct OverlayConnectContext * next
The next pointer for maintaining a DLL of all OverlayConnectContexts.
char * emsg
The error message we send if this overlay connect operation has timed out.
struct GNUNET_TRANSPORT_HelloGetHandle * ghh
Get GetHelloHandle to acquire a HELLO of the first peer.
struct OverlayConnectContext * prev
The prev pointer for maintaining a DLL of all OverlayConnectContexts.
struct GST_ConnectionPool_GetHandle * cgh_p1th
The GST_ConnectionPool_GetHandle for the peer1's transport handle.
struct Peer::@56::@57 local
uint32_t destroy_flag
While destroying a peer, due to the fact that there could be references to this peer,...
uint32_t reference_cnt
References to peers are using in forwarded overlay contexts and remote overlay connect contexts.
uint32_t id
Our local reference id for this peer.
union Peer::@56 details
struct GNUNET_HELLO_Message * hello
Pointer to the HELLO message of this peer; can be NULL.
struct Peer::@56::@58 remote
This context information will be created for each host that is registered at slave controllers during...
enum RegisteredHostContext::RHCState state
struct GNUNET_TESTBED_Host * host
The host of the controller which has to connect to the above rhost.
struct ForwardedOverlayConnectContext * focc_dll_tail
Tail of the ForwardedOverlayConnectContext DLL.
struct ForwardedOverlayConnectContext * focc_dll_head
Head of the ForwardedOverlayConnectContext DLL.
struct GNUNET_TESTBED_Host * reg_host
The host which is being registered.
@ RHC_DONE
State where we attempt to do the overlay connection again.
@ RHC_INIT
The initial state.
Context information for remote overlay connect operations.
struct GNUNET_SCHEDULER_Task * attempt_connect_task_id
Task for offering HELLO of A to B and doing try_connect.
struct RemoteOverlayConnectCtx * prev
the prev pointer for DLL
struct RemoteOverlayConnectCtx * next
the next pointer for DLL
struct GNUNET_TRANSPORT_OfferHelloHandle * ohh
The handle for offering HELLO.
struct ConnectivitySuggestContext tcc
The transport try connect context.
struct GNUNET_SCHEDULER_Task * timeout_rocc_task_id
Task to timeout RequestOverlayConnect.
struct Peer * peer
The peer handle of peer B.
uint64_t op_id
The id of the operation responsible for creating this context.
struct GNUNET_PeerIdentity a_id
The peer identity of peer A.
struct GNUNET_MessageHeader * hello
Peer A's HELLO.
Context data for operations on second peer in remote overlay connection contexts.
struct Neighbour * p2n
The neighbour handle.
struct NeighbourConnectNotification * ncn
Notification handle acquire to connect to a remote controller.
struct OperationContext * opc
Operation context for the suboperation we start to get the identity of the second peer.
struct GNUNET_TESTBED_Controller * p2c
Controller of peer 2; If OCC_TYPE_REMOTE_LATERAL is the type of overlay connection then this can be N...
A routing entry.
uint32_t dest
destination host
Structure representing a connected(directly-linked) controller.
uint32_t host_id
The id of the host this controller is running on.
struct GNUNET_TESTBED_Controller * controller
The controller handle.
struct GNUNET_CONTAINER_MultiHashMap * reghost_map
Hashmap to hold Registered host contexts.
void GNUNET_TESTBED_queue_message_(struct GNUNET_TESTBED_Controller *controller, struct GNUNET_MessageHeader *msg)
Queues a message in send queue for sending to the service.
Definition: testbed_api.c:1336
void GNUNET_TESTBED_forward_operation_msg_cancel_(struct OperationContext *opc)
Function to cancel an operation created by simply forwarding an operation message.
Definition: testbed_api.c:1407
struct OperationContext * GNUNET_TESTBED_forward_operation_msg_(struct GNUNET_TESTBED_Controller *controller, uint64_t operation_id, const struct GNUNET_MessageHeader *msg, GNUNET_MQ_MessageCallback cc, void *cc_cls)
Sends the given message as an operation.
Definition: testbed_api.c:1370
@ OP_OVERLAY_CONNECT
Overlay connection operation.
Definition: testbed_api.h:79
uint32_t GNUNET_TESTBED_host_get_id_(const struct GNUNET_TESTBED_Host *host)
Obtain the host's unique global ID.
struct GNUNET_TESTBED_Peer * peer
The peer associated with this model.