GNUnet  0.11.x
gnunet-service-testbed_peers.c
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1 /*
2  This file is part of GNUnet.
3  Copyright (C) 2008--2013, 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 
21 
28 #include "gnunet-service-testbed.h"
29 #include "gnunet_arm_service.h"
30 #include <zlib.h>
31 
32 
37 
41 unsigned int GST_num_local_peers;
42 
43 
48 {
53 
58 
63 
67  struct Peer *peer;
68 
73 
77  char *service;
78 
82  uint64_t op_id;
83 
87  uint8_t start;
88 
93  uint8_t expired;
94 };
95 
96 
101 {
106 
111 
116 
121 
125  uint64_t op_id;
126 
130  uint32_t peer_id;
131 
137  uint8_t stopped;
138 };
139 
144 
149 
150 
155 
160 
161 
167 static void
169 {
170  if (peer->id >= GST_peer_list_size)
171  GST_array_grow_large_enough (GST_peer_list, GST_peer_list_size, peer->id);
172  GNUNET_assert (NULL == GST_peer_list[peer->id]);
173  GST_peer_list[peer->id] = peer;
174  if (GNUNET_NO == peer->is_remote)
176 }
177 
178 
184 static void
186 {
187  unsigned int orig_size;
188  uint32_t id;
189 
190  if (GNUNET_NO == peer->is_remote)
192  GST_peer_list[peer->id] = NULL;
193  orig_size = GST_peer_list_size;
195  {
196  for (id = GST_peer_list_size - 1;
197  (id >= GST_peer_list_size - LIST_GROW_STEP) && (id != UINT32_MAX);
198  id--)
199  if (NULL != GST_peer_list[id])
200  break;
201  if (id != ((GST_peer_list_size - LIST_GROW_STEP) - 1))
202  break;
204  }
205  if (orig_size == GST_peer_list_size)
206  return;
207  GST_peer_list =
208  GNUNET_realloc (GST_peer_list,
209  sizeof(struct Peer *) * GST_peer_list_size);
210 }
211 
212 
219 static void
221 {
222  struct ForwardedOperationContext *fopc = cls;
223 
224  GNUNET_free (fopc->cls);
226 }
227 
228 
236 static void
238 {
239  struct ForwardedOperationContext *fopc = cls;
240  struct Peer *remote_peer;
241 
243  {
244  GNUNET_assert (NULL != fopc->cls);
245  remote_peer = fopc->cls;
246  peer_list_add (remote_peer);
247  }
249  msg);
250 }
251 
252 
258 void
260 {
261  GNUNET_break (0 == peer->reference_cnt);
262  if (GNUNET_YES == peer->is_remote)
263  {
264  peer_list_remove (peer);
265  GNUNET_free (peer);
266  return;
267  }
268  if (GNUNET_YES == peer->details.local.is_running)
269  {
271  peer->details.local.is_running = GNUNET_NO;
272  }
275  peer_list_remove (peer);
276  GNUNET_free (peer);
277 }
278 
279 
285 static void
287 {
288  mctx->expired = GNUNET_YES;
289  GNUNET_CONTAINER_DLL_remove (mctx_head,
290  mctx_tail,
291  mctx);
292  GNUNET_ARM_disconnect (mctx->ah);
293  GNUNET_assert (0 < mctx->peer->reference_cnt);
294  mctx->peer->reference_cnt--;
295  if ((GNUNET_YES == mctx->peer->destroy_flag) &&
296  (0 == mctx->peer->reference_cnt))
297  GST_destroy_peer (mctx->peer);
298  GNUNET_free (mctx->service);
299  GNUNET_free (mctx);
300 }
301 
302 
309 static int
310 stop_peer (struct Peer *peer)
311 {
312  GNUNET_assert (GNUNET_NO == peer->is_remote);
313  if (GNUNET_OK != GNUNET_TESTING_peer_kill (peer->details.local.peer))
314  return GNUNET_SYSERR;
315  peer->details.local.is_running = GNUNET_NO;
316  return GNUNET_OK;
317 }
318 
319 
325 static void
327 {
328  struct Peer *peer;
329 
330  if (VALID_PEER_ID (prc->peer_id))
331  {
332  peer = GST_peer_list [prc->peer_id];
333  if (1 != prc->stopped)
334  {
336  stop_peer (peer); /* Stop the peer synchronously */
337  }
338  }
339  if (NULL != prc->cfg)
341  GNUNET_CONTAINER_DLL_remove (prc_head,
342  prc_tail,
343  prc);
344  GNUNET_free (prc);
345 }
346 
347 
353 void
355 {
356  struct ForwardedOperationContext *fopc;
357  struct ForwardedOperationContext *fopcn;
358  struct ManageServiceContext *mctx;
359  struct ManageServiceContext *mctxn;
360  struct PeerReconfigureContext *prc;
361  struct PeerReconfigureContext *prcn;
362 
363  for (fopc = fopcq_head; NULL != fopc; fopc = fopcn)
364  {
365  fopcn = fopc->next;
366  if (client == fopc->client)
367  {
368  if (OP_PEER_CREATE == fopc->type)
369  GNUNET_free (fopc->cls);
372  }
373  }
374  for (mctx = mctx_head; NULL != mctx; mctx = mctxn)
375  {
376  mctxn = mctx->next;
377  if (client == mctx->client)
378  cleanup_mctx (mctx);
379  }
380  for (prc = prc_head; NULL != prc; prc = prcn)
381  {
382  prcn = prc->next;
383  if (client == prc->client)
384  cleanup_prc (prc);
385  }
386 }
387 
388 
396 static void
398 {
399  struct ForwardedOperationContext *fopc = cls;
400  struct Peer *remote_peer;
401 
403  ntohs (msg->type))
404  {
405  remote_peer = fopc->cls;
406  GNUNET_assert (NULL != remote_peer);
407  remote_peer->destroy_flag = GNUNET_YES;
408  if (0 == remote_peer->reference_cnt)
409  GST_destroy_peer (remote_peer);
410  }
412  msg);
413 }
414 
415 
423 int
424 check_peer_create (void *cls,
426 {
427  return GNUNET_OK; /* checked later */
428 }
429 
430 
437 void
440 {
441  struct GNUNET_SERVICE_Client *client = cls;
442  struct GNUNET_MQ_Envelope *env;
445  struct ForwardedOperationContext *fo_ctxt;
446  struct Route *route;
447  struct Peer *peer;
448  char *emsg;
449  uint32_t host_id;
450  uint32_t peer_id;
451 
452  host_id = ntohl (msg->host_id);
453  peer_id = ntohl (msg->peer_id);
454  if (VALID_PEER_ID (peer_id))
455  {
456  (void) GNUNET_asprintf (&emsg,
457  "Peer with ID %u already exists",
458  peer_id);
461  emsg);
462  GNUNET_free (emsg);
464  return;
465  }
466  if (UINT32_MAX == peer_id)
467  {
470  "Cannot create peer with given ID");
472  return;
473  }
474  if (host_id == GST_context->host_id)
475  {
476  /* We are responsible for this peer */
478  if (NULL == cfg)
479  {
480  GNUNET_break (0);
482  return;
483  }
485  "TESTBED",
486  "PEERID",
487  (unsigned long long) peer_id);
488 
490  "PATHS",
491  "PEERID",
492  (unsigned long long) peer_id);
493  peer = GNUNET_new (struct Peer);
494  peer->is_remote = GNUNET_NO;
495  peer->details.local.cfg = cfg;
496  peer->id = peer_id;
497  LOG_DEBUG ("Creating peer with id: %u\n",
498  (unsigned int) peer->id);
499  peer->details.local.peer =
501  peer->details.local.cfg, peer->id,
502  NULL /* Peer id */,
503  &emsg);
504  if (NULL == peer->details.local.peer)
505  {
507  "Configuring peer failed: %s\n",
508  emsg);
509  GNUNET_free (emsg);
510  GNUNET_free (peer);
511  GNUNET_break (0);
513  return;
514  }
515  peer->details.local.is_running = GNUNET_NO;
516  peer_list_add (peer);
517  env = GNUNET_MQ_msg (reply,
519  reply->peer_id = msg->peer_id;
520  reply->operation_id = msg->operation_id;
522  env);
524  return;
525  }
526 
527  /* Forward peer create request */
528  route = GST_find_dest_route (host_id);
529  if (NULL == route)
530  {
531  GNUNET_break (0);
532  GNUNET_SERVICE_client_continue (client); // ?
533  return;
534  }
535  peer = GNUNET_new (struct Peer);
536  peer->is_remote = GNUNET_YES;
537  peer->id = peer_id;
538  peer->details.remote.slave = GST_slave_list[route->dest];
539  peer->details.remote.remote_host_id = host_id;
540  fo_ctxt = GNUNET_new (struct ForwardedOperationContext);
541  fo_ctxt->client = client;
542  fo_ctxt->operation_id = GNUNET_ntohll (msg->operation_id);
543  fo_ctxt->cls = peer;
544  fo_ctxt->type = OP_PEER_CREATE;
545  fo_ctxt->opc =
547  [route->dest]->controller,
548  fo_ctxt->operation_id,
549  &msg->header,
551  fo_ctxt);
552  fo_ctxt->timeout_task =
555  fo_ctxt);
557  fopcq_tail,
558  fo_ctxt);
560 }
561 
562 
569 void
572 {
573  struct GNUNET_SERVICE_Client *client = cls;
574  struct ForwardedOperationContext *fopc;
575  struct Peer *peer;
576  uint32_t peer_id;
577 
578  peer_id = ntohl (msg->peer_id);
579  LOG_DEBUG ("Received peer destory on peer: %u and operation id: %llu\n",
580  (unsigned int) peer_id,
581  (unsigned long long) GNUNET_ntohll (msg->operation_id));
582  if (! VALID_PEER_ID (peer_id))
583  {
585  "Asked to destroy a non existent peer with id: %u\n", peer_id);
588  "Peer doesn't exist");
590  return;
591  }
592  peer = GST_peer_list[peer_id];
593  if (GNUNET_YES == peer->is_remote)
594  {
595  /* Forward the destory message to sub controller */
596  fopc = GNUNET_new (struct ForwardedOperationContext);
597  fopc->client = client;
598  fopc->cls = peer;
599  fopc->type = OP_PEER_DESTROY;
600  fopc->operation_id = GNUNET_ntohll (msg->operation_id);
601  fopc->opc =
603  slave->controller,
604  fopc->operation_id,
605  &msg->header,
607  fopc);
608  fopc->timeout_task =
611  fopc);
613  fopcq_tail,
614  fopc);
616  return;
617  }
618  peer->destroy_flag = GNUNET_YES;
619  if (0 == peer->reference_cnt)
620  GST_destroy_peer (peer);
621  else
623  "Delaying peer destroy as peer is currently in use\n");
625  GNUNET_ntohll (msg->operation_id));
627 }
628 
629 
636 static int
638 {
639  GNUNET_assert (GNUNET_NO == peer->is_remote);
640  if (GNUNET_OK != GNUNET_TESTING_peer_start (peer->details.local.peer))
641  return GNUNET_SYSERR;
642  peer->details.local.is_running = GNUNET_YES;
643  return GNUNET_OK;
644 }
645 
646 
653 void
654 handle_peer_start (void *cls,
655  const struct GNUNET_TESTBED_PeerStartMessage *msg)
656 {
657  struct GNUNET_SERVICE_Client *client = cls;
658  struct GNUNET_MQ_Envelope *env;
659  struct GNUNET_TESTBED_PeerEventMessage *reply;
660  struct ForwardedOperationContext *fopc;
661  struct Peer *peer;
662  uint32_t peer_id;
663 
664  peer_id = ntohl (msg->peer_id);
665  if (! VALID_PEER_ID (peer_id))
666  {
667  GNUNET_break (0);
669  "Asked to start a non existent peer with id: %u\n",
670  peer_id);
672  return;
673  }
674  peer = GST_peer_list[peer_id];
675  if (GNUNET_YES == peer->is_remote)
676  {
677  fopc = GNUNET_new (struct ForwardedOperationContext);
678  fopc->client = client;
679  fopc->operation_id = GNUNET_ntohll (msg->operation_id);
680  fopc->type = OP_PEER_START;
681  fopc->opc =
683  slave->controller,
684  fopc->operation_id, &msg->header,
685  &
687  fopc);
688  fopc->timeout_task =
691  fopc);
693  fopcq_tail,
694  fopc);
696  return;
697  }
698  if (GNUNET_OK != start_peer (peer))
699  {
701  "Failed to start");
703  return;
704  }
705  env = GNUNET_MQ_msg (reply,
707  reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_START);
708  reply->host_id = htonl (GST_context->host_id);
709  reply->peer_id = msg->peer_id;
710  reply->operation_id = msg->operation_id;
712  env);
714 }
715 
716 
723 void
724 handle_peer_stop (void *cls,
725  const struct GNUNET_TESTBED_PeerStopMessage *msg)
726 {
727  struct GNUNET_SERVICE_Client *client = cls;
728  struct GNUNET_MQ_Envelope *env;
729  struct GNUNET_TESTBED_PeerEventMessage *reply;
730  struct ForwardedOperationContext *fopc;
731  struct Peer *peer;
732  uint32_t peer_id;
733 
734  peer_id = ntohl (msg->peer_id);
736  "Received PEER_STOP for peer %u\n",
737  (unsigned int) peer_id);
738  if (! VALID_PEER_ID (peer_id))
739  {
742  "Peer not found");
744  return;
745  }
746  peer = GST_peer_list[peer_id];
747  if (GNUNET_YES == peer->is_remote)
748  {
750  "Forwarding PEER_STOP for peer %u\n",
751  (unsigned int) peer_id);
752  fopc = GNUNET_new (struct ForwardedOperationContext);
753  fopc->client = client;
754  fopc->operation_id = GNUNET_ntohll (msg->operation_id);
755  fopc->type = OP_PEER_STOP;
756  fopc->opc =
758  slave->controller,
759  fopc->operation_id,
760  &msg->header,
761  &
763  fopc);
764  fopc->timeout_task =
767  fopc);
769  fopcq_tail,
770  fopc);
772  return;
773  }
774  if (GNUNET_OK != stop_peer (peer))
775  {
777  "Stopping peer %u failed\n",
778  (unsigned int) peer_id);
781  "Peer not running");
783  return;
784  }
786  "Peer %u successfully stopped\n",
787  (unsigned int) peer_id);
788  env = GNUNET_MQ_msg (reply,
790  reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_STOP);
791  reply->host_id = htonl (GST_context->host_id);
792  reply->peer_id = msg->peer_id;
793  reply->operation_id = msg->operation_id;
795  env);
798 }
799 
800 
807 void
809  const struct
811 {
812  struct GNUNET_SERVICE_Client *client = cls;
813  struct GNUNET_MQ_Envelope *env;
815  struct ForwardedOperationContext *fopc;
816  struct Peer *peer;
817  char *config;
818  char *xconfig;
819  size_t c_size;
820  size_t xc_size;
821  uint32_t peer_id;
822 
823  peer_id = ntohl (msg->peer_id);
824  LOG_DEBUG ("Received GET_CONFIG for peer %u\n",
825  (unsigned int) peer_id);
826  if (! VALID_PEER_ID (peer_id))
827  {
830  "Peer not found");
832  return;
833  }
834  peer = GST_peer_list[peer_id];
835  if (GNUNET_YES == peer->is_remote)
836  {
837  LOG_DEBUG ("Forwarding PEER_GET_CONFIG for peer: %u\n",
838  (unsigned int) peer_id);
839  fopc = GNUNET_new (struct ForwardedOperationContext);
840  fopc->client = client;
841  fopc->operation_id = GNUNET_ntohll (msg->operation_id);
842  fopc->type = OP_PEER_INFO;
843  fopc->opc =
845  slave->controller,
846  fopc->operation_id,
847  &msg->header,
848  &
850  fopc);
851  fopc->timeout_task =
854  fopc);
856  fopcq_tail,
857  fopc);
859  return;
860  }
861  LOG_DEBUG ("Received PEER_GET_CONFIG for peer: %u\n",
862  peer_id);
863  config =
864  GNUNET_CONFIGURATION_serialize (GST_peer_list[peer_id]->details.local.cfg,
865  &c_size);
866  xc_size = GNUNET_TESTBED_compress_config_ (config,
867  c_size,
868  &xconfig);
869  GNUNET_free (config);
870  env = GNUNET_MQ_msg_extra (reply,
871  xc_size,
873  reply->peer_id = msg->peer_id;
874  reply->operation_id = msg->operation_id;
875  GNUNET_TESTING_peer_get_identity (GST_peer_list[peer_id]->details.local.peer,
876  &reply->peer_identity);
877  reply->config_size = htons ((uint16_t) c_size);
878  GNUNET_memcpy (&reply[1],
879  xconfig,
880  xc_size);
881  GNUNET_free (xconfig);
883  env);
885 }
886 
887 
891 void
893 {
894  while (NULL != prc_head)
895  cleanup_prc (prc_head);
896 }
897 
898 
906 static char *
909 {
910  char *emsg;
911 
914  peer->details.local.cfg = cfg;
915  emsg = NULL;
916  peer->details.local.peer
918  peer->details.local.cfg,
919  peer->id,
920  NULL /* Peer id */,
921  &emsg);
922  return emsg;
923 }
924 
925 
934 static void
935 prc_stop_cb (void *cls,
936  struct GNUNET_TESTING_Peer *p,
937  int success)
938 {
939  struct PeerReconfigureContext *prc = cls;
940  struct Peer *peer;
941  char *emsg;
942 
944  peer = GST_peer_list [prc->peer_id];
945  GNUNET_assert (GNUNET_NO == peer->is_remote);
946  emsg = update_peer_config (peer, prc->cfg);
947  prc->cfg = NULL;
948  prc->stopped = 1;
949  if (NULL != emsg)
950  {
952  prc->op_id,
953  emsg);
954  goto cleanup;
955  }
956  if (GNUNET_OK != start_peer (peer))
957  {
959  prc->op_id,
960  "Failed to start reconfigured peer");
961  goto cleanup;
962  }
964  prc->op_id);
965 
966 cleanup:
967  cleanup_prc (prc);
968  return;
969 }
970 
971 
979 int
982 {
983  return GNUNET_OK; /* checked later */
984 }
985 
986 
995 void
997  const struct
999 {
1000  struct GNUNET_SERVICE_Client *client = cls;
1001  struct Peer *peer;
1003  struct ForwardedOperationContext *fopc;
1004  struct PeerReconfigureContext *prc;
1005  char *emsg;
1006  uint64_t op_id;
1007  uint32_t peer_id;
1008 
1009  peer_id = ntohl (msg->peer_id);
1010  op_id = GNUNET_ntohll (msg->operation_id);
1011  if (! VALID_PEER_ID (peer_id))
1012  {
1013  GNUNET_break (0);
1015  op_id,
1016  "Peer not found");
1018  return;
1019  }
1020  peer = GST_peer_list[peer_id];
1021  if (GNUNET_YES == peer->is_remote)
1022  {
1023  LOG_DEBUG ("Forwarding PEER_RECONFIGURE for peer: %u\n", peer_id);
1024  fopc = GNUNET_new (struct ForwardedOperationContext);
1025  fopc->client = client;
1026  fopc->operation_id = op_id;
1027  fopc->type = OP_PEER_RECONFIGURE;
1028  fopc->opc =
1030  slave->controller,
1031  fopc->operation_id,
1032  &msg->header,
1033  &
1035  fopc);
1036  fopc->timeout_task =
1039  fopc);
1041  fopcq_tail,
1042  fopc);
1044  return;
1045  }
1046  LOG_DEBUG ("Received PEER_RECONFIGURE for peer %u\n",
1047  (unsigned int) peer_id);
1048  if (0 < peer->reference_cnt)
1049  {
1050  GNUNET_break (0);
1052  op_id,
1053  "Peer in use");
1055  return;
1056  }
1057  if (GNUNET_YES == peer->destroy_flag)
1058  {
1059  GNUNET_break (0);
1061  op_id,
1062  "Peer is being destroyed");
1064  return;
1065  }
1066  cfg = GNUNET_TESTBED_extract_config_ (&msg->header);
1067  if (NULL == cfg)
1068  {
1069  GNUNET_break (0);
1071  op_id,
1072  "Compression error");
1074  return;
1075  }
1076  if (GNUNET_NO == peer->details.local.is_running)
1077  {
1078  emsg = update_peer_config (peer,
1079  cfg);
1080  if (NULL != emsg)
1082  op_id,
1083  emsg);
1085  op_id);
1087  GNUNET_free_non_null (emsg);
1088  return;
1089  }
1090  prc = GNUNET_new (struct PeerReconfigureContext);
1091  if (GNUNET_OK !=
1093  &prc_stop_cb,
1094  prc))
1095  {
1096  GNUNET_assert (0 < GNUNET_asprintf (&emsg,
1097  "Error trying to stop peer %u asynchronously\n",
1098  peer_id));
1100  "%s\n",
1101  emsg);
1103  op_id,
1104  emsg);
1106  GNUNET_free (prc);
1107  GNUNET_free (emsg);
1108  return;
1109  }
1110  prc->cfg = cfg;
1111  prc->peer_id = peer_id;
1112  prc->op_id = op_id;
1113  prc->client = client;
1115  prc_tail,
1116  prc);
1118 }
1119 
1120 
1124 void
1126 {
1127  while (NULL != mctx_head)
1128  cleanup_mctx (mctx_head);
1129 }
1130 
1131 
1138 static const char *
1140 {
1141  switch (rs)
1142  {
1144  return _ ("Message was sent successfully");
1145 
1147  return _ ("We disconnected from ARM before we could send a request");
1148  }
1149  return _ ("Unknown request status");
1150 }
1151 
1152 
1159 static const char *
1161 {
1162  switch (result)
1163  {
1165  return _ ("%s is stopped");
1166 
1168  return _ ("%s is starting");
1169 
1171  return _ ("%s is stopping");
1172 
1174  return _ ("%s is starting already");
1175 
1177  return _ ("%s is stopping already");
1178 
1180  return _ ("%s is started already");
1181 
1183  return _ ("%s is stopped already");
1184 
1186  return _ ("%s service is not known to ARM");
1187 
1189  return _ ("%s service failed to start");
1190 
1192  return _ ("%s service can't be started because ARM is shutting down");
1193  }
1194  return _ ("%.s Unknown result code.");
1195 }
1196 
1197 
1208 static void
1210  enum GNUNET_ARM_RequestStatus rs,
1212 {
1213  struct ManageServiceContext *mctx = cls;
1214  char *emsg;
1215 
1216  emsg = NULL;
1217  if (GNUNET_YES == mctx->expired)
1218  return;
1219  if (GNUNET_ARM_REQUEST_SENT_OK != rs)
1220  {
1221  GNUNET_asprintf (&emsg,
1222  "Error communicating with Peer %u's ARM: %s",
1223  mctx->peer->id,
1224  arm_req_string (rs));
1225  goto ret;
1226  }
1227  if (1 == mctx->start)
1228  goto service_start_check;
1229  if (! ((GNUNET_ARM_RESULT_STOPPED == result)
1230  || (GNUNET_ARM_RESULT_STOPPING == result)
1232  || (GNUNET_ARM_RESULT_IS_STOPPED_ALREADY == result)))
1233  {
1234  /* stopping a service failed */
1235  GNUNET_asprintf (&emsg,
1236  arm_ret_string (result),
1237  mctx->service);
1238  goto ret;
1239  }
1240  /* service stopped successfully */
1241  goto ret;
1242 
1243 service_start_check:
1244  if (! ((GNUNET_ARM_RESULT_STARTING == result)
1246  || (GNUNET_ARM_RESULT_IS_STARTED_ALREADY == result)))
1247  {
1248  /* starting a service failed */
1249  GNUNET_asprintf (&emsg,
1250  arm_ret_string (result),
1251  mctx->service);
1252  goto ret;
1253  }
1254  /* service started successfully */
1255 
1256 ret:
1257  if (NULL != emsg)
1258  {
1259  LOG_DEBUG ("%s\n", emsg);
1261  mctx->op_id,
1262  emsg);
1263  }
1264  else
1266  mctx->op_id);
1267  GNUNET_free_non_null (emsg);
1268  cleanup_mctx (mctx);
1269 }
1270 
1271 
1279 int
1281  const struct
1283 {
1284  uint16_t msize;
1285  const char*service;
1286 
1287  msize = ntohs (msg->header.size);
1288  service = (const char *) &msg[1];
1289  if ('\0' != service[msize - sizeof
1291  {
1292  GNUNET_break_op (0);
1293  return GNUNET_SYSERR;
1294  }
1295  if (1 < msg->start)
1296  {
1297  GNUNET_break_op (0);
1298  return GNUNET_SYSERR;
1299  }
1300  return GNUNET_OK;
1301 }
1302 
1303 
1310 void
1312  const struct
1314 {
1315  struct GNUNET_SERVICE_Client *client = cls;
1316  const char*service;
1317  struct Peer *peer;
1318  char *emsg;
1319  struct GNUNET_ARM_Handle *ah;
1320  struct ManageServiceContext *mctx;
1321  struct ForwardedOperationContext *fopc;
1322  uint64_t op_id;
1323  uint32_t peer_id;
1324 
1325  service = (const char *) &msg[1];
1326  peer_id = ntohl (msg->peer_id);
1327  op_id = GNUNET_ntohll (msg->operation_id);
1328  LOG_DEBUG ("Received request to manage service %s on peer %u\n",
1329  service, (unsigned int) peer_id);
1330  if ((GST_peer_list_size <= peer_id)
1331  || (NULL == (peer = GST_peer_list[peer_id])))
1332  {
1333  GNUNET_asprintf (&emsg, "Asked to manage service of a non existent peer "
1334  "with id: %u", peer_id);
1335  goto err_ret;
1336  }
1337  if (0 == strcasecmp ("arm", service))
1338  {
1339  emsg = GNUNET_strdup ("Cannot start/stop peer's ARM service. "
1340  "Use peer start/stop for that");
1341  goto err_ret;
1342  }
1343  if (GNUNET_YES == peer->is_remote)
1344  {
1345  /* Forward the destory message to sub controller */
1346  fopc = GNUNET_new (struct ForwardedOperationContext);
1347  fopc->client = client;
1348  fopc->cls = peer;
1349  fopc->type = OP_MANAGE_SERVICE;
1350  fopc->operation_id = op_id;
1351  fopc->opc =
1353  slave->controller,
1354  fopc->operation_id,
1355  &msg->header,
1356  &
1358  fopc);
1359  fopc->timeout_task =
1362  fopc);
1364  fopcq_tail,
1365  fopc);
1367  return;
1368  }
1369  if (GNUNET_NO == peer->details.local.is_running)
1370  {
1371  emsg = GNUNET_strdup ("Peer not running\n");
1372  goto err_ret;
1373  }
1374  if ((0 != peer->reference_cnt)
1375  && ((0 == strcasecmp ("core", service))
1376  || (0 == strcasecmp ("transport", service))))
1377  {
1378  GNUNET_asprintf (&emsg, "Cannot stop %s service of peer with id: %u "
1379  "since it is required by existing operations",
1380  service, peer_id);
1381  goto err_ret;
1382  }
1383  ah = GNUNET_ARM_connect (peer->details.local.cfg, NULL, NULL);
1384  if (NULL == ah)
1385  {
1386  GNUNET_asprintf (&emsg,
1387  "Cannot connect to ARM service of peer with id: %u",
1388  peer_id);
1389  goto err_ret;
1390  }
1391  mctx = GNUNET_new (struct ManageServiceContext);
1392  mctx->peer = peer;
1393  peer->reference_cnt++;
1394  mctx->op_id = op_id;
1395  mctx->ah = ah;
1396  mctx->client = client;
1397  mctx->start = msg->start;
1398  mctx->service = GNUNET_strdup (service);
1400  mctx_tail,
1401  mctx);
1402  if (1 == mctx->start)
1404  service,
1407  mctx);
1408  else
1409  GNUNET_ARM_request_service_stop (mctx->ah, service,
1411  mctx);
1413  return;
1414 
1415 err_ret:
1416  LOG (GNUNET_ERROR_TYPE_ERROR, "%s\n", emsg);
1417  GST_send_operation_fail_msg (client, op_id, emsg);
1418  GNUNET_free (emsg);
1420 }
1421 
1422 
1426 void
1428 {
1429  struct Peer *peer;
1430  unsigned int id;
1431 
1432  if (NULL == GST_peer_list)
1433  return;
1434  for (id = 0; id < GST_peer_list_size; id++)
1435  {
1436  peer = GST_peer_list[id];
1437  if (NULL == peer)
1438  continue;
1439  /* If destroy flag is set it means that this peer should have been
1440  * destroyed by a context which we destroy before */
1441  GNUNET_break (GNUNET_NO == peer->destroy_flag);
1442  /* counter should be zero as we free all contexts before */
1443  GNUNET_break (0 == peer->reference_cnt);
1444  if ((GNUNET_NO == peer->is_remote) &&
1445  (GNUNET_YES == peer->details.local.is_running))
1446  GNUNET_TESTING_peer_kill (peer->details.local.peer);
1447  }
1448  for (id = 0; id < GST_peer_list_size; id++)
1449  {
1450  peer = GST_peer_list[id];
1451  if (NULL == peer)
1452  continue;
1453  if (GNUNET_NO == peer->is_remote)
1454  {
1455  if (GNUNET_YES == peer->details.local.is_running)
1456  GNUNET_TESTING_peer_wait (peer->details.local.peer);
1459  }
1460  GNUNET_free (peer);
1461  }
1462  GNUNET_free_non_null (GST_peer_list);
1463  GST_peer_list = NULL;
1464  GST_peer_list_size = 0;
1465 }
1466 
1467 
1476 static void
1478  const struct GNUNET_MessageHeader *msg)
1479 {
1480  struct ForwardedOperationContext *fo_ctxt = cls;
1481  struct HandlerContext_ShutdownPeers *hc;
1482 
1483  hc = fo_ctxt->cls;
1484  GNUNET_assert (0 < hc->nslaves);
1485  hc->nslaves--;
1487  ntohs (msg->type))
1488  hc->timeout = GNUNET_YES;
1489  if (0 == hc->nslaves)
1490  {
1491  if (GNUNET_YES == hc->timeout)
1493  fo_ctxt->operation_id,
1494  "Timeout at a slave controller");
1495  else
1497  fo_ctxt->operation_id);
1498  GNUNET_free (hc);
1499  hc = NULL;
1500  }
1502  fopcq_tail,
1503  fo_ctxt);
1504  GNUNET_free (fo_ctxt);
1505 }
1506 
1507 
1514 void
1517 {
1518  struct GNUNET_SERVICE_Client *client = cls;
1519  struct HandlerContext_ShutdownPeers *hc;
1520  struct Slave *slave;
1521  struct ForwardedOperationContext *fo_ctxt;
1522  uint64_t op_id;
1523  unsigned int cnt;
1524 
1525  LOG_DEBUG ("Received SHUTDOWN_PEERS\n");
1526  /* Stop and destroy all peers */
1527  GST_free_mctxq ();
1528  GST_free_occq ();
1529  GST_free_roccq ();
1530  GST_clear_fopcq ();
1531  /* Forward to all slaves which we have started */
1532  op_id = GNUNET_ntohll (msg->operation_id);
1534  /* FIXME: have a better implementation where we track which slaves are
1535  started by this controller */
1536  for (cnt = 0; cnt < GST_slave_list_size; cnt++)
1537  {
1538  slave = GST_slave_list[cnt];
1539  if (NULL == slave)
1540  continue;
1541  if (NULL == slave->controller_proc) /* We didn't start the slave */
1542  continue;
1543  LOG_DEBUG ("Forwarding SHUTDOWN_PEERS\n");
1544  hc->nslaves++;
1545  fo_ctxt = GNUNET_new (struct ForwardedOperationContext);
1546  fo_ctxt->client = client;
1547  fo_ctxt->operation_id = op_id;
1548  fo_ctxt->cls = hc;
1549  fo_ctxt->type = OP_SHUTDOWN_PEERS;
1550  fo_ctxt->opc =
1552  fo_ctxt->operation_id,
1553  &msg->header,
1555  fo_ctxt);
1557  fopcq_tail,
1558  fo_ctxt);
1559  }
1560  LOG_DEBUG ("Shutting down peers\n");
1561  GST_destroy_peers ();
1562  if (0 == hc->nslaves)
1563  {
1565  op_id);
1566  GNUNET_free (hc);
1567  }
1569 }
struct GNUNET_SCHEDULER_Task * timeout_task
Task ID for the timeout task.
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
void handle_peer_reconfigure(void *cls, const struct GNUNET_TESTBED_PeerReconfigureMessage *msg)
Handler for #GNUNET_MESSAGE_TYPDE_TESTBED_RECONFIGURE_PEER type messages.
void GST_free_mctxq()
Frees the ManageServiceContext queue.
uint64_t operation_id
Operation ID that is used to identify this operation.
Definition: testbed.h:468
Event notification from a controller to a client.
Definition: testbed.h:533
ARM stopping was initiated (there&#39;s no "stopped" for ARM itself).
int is_remote
Is this peer locally created?
int GNUNET_TESTING_peer_stop_async(struct GNUNET_TESTING_Peer *peer, GNUNET_TESTING_PeerStopCallback cb, void *cb_cls)
Stop a peer asynchronously using ARM API.
Definition: testing.c:1515
uint32_t peer_id
The id of the peer relevant to this information.
Definition: testbed.h:613
When this flag is set, the child process will inherit stderr of the parent.
Definition: gnunet_os_lib.h:91
void GST_send_operation_fail_msg(struct GNUNET_SERVICE_Client *client, uint64_t operation_id, const char *emsg)
Send operation failure message to client.
#define GNUNET_MESSAGE_TYPE_TESTBED_CREATE_PEER_SUCCESS
Message to signal successful peer creation.
struct GNUNET_MessageHeader * msg
Definition: 005.c:2
static const struct GNUNET_CONFIGURATION_Handle * cfg
Configuration we are using.
Definition: gnunet-abd.c:36
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_RECONFIGURE_PEER.
Definition: testbed.h:245
int check_manage_peer_service(void *cls, const struct GNUNET_TESTBED_ManagePeerServiceMessage *msg)
Check GNUNET_MESSAGE_TYPE_TESTBED_MANAGE_PEER_SERVICE message.
Asked to stop it, but it&#39;s already stopping.
Message sent from client to testing service to reconfigure a (stopped) a peer.
Definition: testbed.h:240
int timeout
Did we observe a timeout with respect to this operation at any of the slaves.
data structures shared amongst components of TESTBED service
Message sent from client to testing service to stop a peer.
Definition: testbed.h:294
void GST_clear_fopcq()
Clears the forwarded operations queue.
int GNUNET_TESTING_peer_start(struct GNUNET_TESTING_Peer *peer)
Start the peer.
Definition: testing.c:1359
struct GNUNET_MQ_Handle * GNUNET_SERVICE_client_get_mq(struct GNUNET_SERVICE_Client *c)
Obtain the message queue of c.
Definition: service.c:2437
uint32_t destroy_flag
While destroying a peer, due to the fact that there could be references to this peer, we delay the peer destroy to a further time.
Handle for a GNUnet peer controlled by testing.
Definition: testing.c:170
Message sent from client to testing service to obtain the configuration of a peer.
Definition: testbed.h:581
static void service_manage_result_cb(void *cls, enum GNUNET_ARM_RequestStatus rs, enum GNUNET_ARM_Result result)
Function called in response to a start/stop request.
static int stop_peer(struct Peer *peer)
Stops a peer.
Shutdown peers message.
Definition: testbed.h:688
Message sent from client to testing service to destroy a (stopped) peer.
Definition: testbed.h:317
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_SHUTDOWN_PEERS.
Definition: testbed.h:693
uint64_t operation_id
Operation ID that is used to identify this operation.
Definition: testbed.h:286
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_CREATE_PEER.
Definition: testbed.h:209
struct ManageServiceContext * next
DLL next ptr.
#define LOG(kind,...)
Definition: abd_api.c:38
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
uint32_t id
Our local reference id for this peer.
static void peer_list_add(struct Peer *peer)
Adds a peer to the peer array.
unsigned int GST_num_local_peers
The current number of peers running locally under this controller.
#define VALID_PEER_ID(id)
Condition to check if peer id is valid.
Peer configuration and identity reply from controller to a client.
Definition: testbed.h:603
struct OperationContext * opc
The generated operation context.
We disconnected from ARM, and request was not sent.
Event notification from a controller to a client.
Definition: testbed.h:442
struct GNUNET_TESTING_System * system
The TESTING system handle for starting peers locally.
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
void GNUNET_CONFIGURATION_set_value_number(struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, unsigned long long number)
Set a configuration value that should be a number.
Stop and destroy all peers.
Definition: testbed_api.h:99
static int ret
Return value of the commandline.
Definition: gnunet-abd.c:81
#define GNUNET_MQ_msg(mvar, type)
Allocate a GNUNET_MQ_Envelope.
Definition: gnunet_mq_lib.h:67
unsigned int GST_peer_list_size
The size of the peer list.
Handle for interacting with ARM.
Definition: arm_api.c:102
static char * peer_id
Option –peer.
Definition: gnunet-cadet.c:42
#define GNUNET_NO
Definition: gnunet_common.h:78
Context information for peer re-configure operations.
static struct GNUNET_IDENTITY_Handle * id
Handle to identity service.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
uint32_t peer_id
Unique ID for the peer.
Definition: testbed.h:591
#define GNUNET_free_non_null(ptr)
Free the memory pointed to by ptr if ptr is not NULL.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
GNUNET_ARM_Result
Replies to ARM requests.
Structure representing a connected(directly-linked) controller.
uint32_t peer_id
Peer identity of the peer that was created.
Definition: testbed.h:543
Context information to manage peers&#39; services.
Asked to start it, but it&#39;s already started.
static void cleanup_prc(struct PeerReconfigureContext *prc)
Cleans up the given PeerReconfigureContext.
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format...
uint64_t operation_id
Operation ID of the operation that created this event.
Definition: testbed.h:618
uint64_t operation_id
Operation ID.
Definition: testbed.h:698
void GNUNET_ARM_disconnect(struct GNUNET_ARM_Handle *h)
Disconnect from the ARM service (if connected) and destroy the context.
Definition: arm_api.c:604
uint8_t start
1 if the service at the peer has to be started; 0 if it has to be stopped
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
struct GNUNET_CONFIGURATION_Handle * GNUNET_TESTBED_extract_config_(const struct GNUNET_MessageHeader *msg)
Generates configuration by uncompressing configuration in given message.
Definition: testbed_api.c:2066
int GNUNET_TESTING_peer_stop(struct GNUNET_TESTING_Peer *peer)
Stop the peer.
Definition: testing.c:1464
static void peer_create_success_cb(void *cls, const struct GNUNET_MessageHeader *msg)
Callback to be called when forwarded peer create operation is successfull.
struct Peer::@66::@68 remote
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
static void peer_create_forward_timeout(void *cls)
The task to be executed if the forwarded peer create operation has been timed out.
#define GST_array_grow_large_enough(ptr, size, accommodate_size)
Similar to GNUNET_array_grow(); however instead of calling GNUNET_array_grow() several times we call ...
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.
uint32_t peer_id
The id of the peer which has to be reconfigured.
void GST_forwarded_operation_timeout(void *cls)
Task to free resources when forwarded operation has been timed out.
uint32_t peer_id
Unique ID for the peer.
Definition: testbed.h:250
Reconfigure a peer.
Definition: testbed_api.h:74
struct GNUNET_TESTING_Peer * GNUNET_TESTING_peer_configure(struct GNUNET_TESTING_System *system, struct GNUNET_CONFIGURATION_Handle *cfg, uint32_t key_number, struct GNUNET_PeerIdentity *id, char **emsg)
Configure a GNUnet peer.
Definition: testing.c:1166
uint32_t peer_id
Peer that was started or stopped.
Definition: testbed.h:463
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
Message sent from client to testing service to start a peer.
Definition: testbed.h:271
#define GNUNET_MESSAGE_TYPE_TESTBED_GENERIC_OPERATION_SUCCESS
Message to signal a generic operation has been successful.
Handle to a client that is connected to a service.
Definition: service.c:250
struct GNUNET_ARM_Handle * ah
The ARM handle of the peer.
uint16_t config_size
The size of configuration when uncompressed.
Definition: testbed.h:628
int32_t event_type
enum GNUNET_TESTBED_EventType (in NBO); either GNUNET_TESTBED_ET_PEER_START or GNUNET_TESTBED_ET_PEER...
Definition: testbed.h:453
struct Peer * peer
peer whose service has to be managed
int GNUNET_TESTING_peer_kill(struct GNUNET_TESTING_Peer *peer)
Sends SIGTERM to the peer&#39;s main process.
Definition: testing.c:1409
void GST_destroy_peers()
Stops and destroys all peers.
int GNUNET_asprintf(char **buf, const char *format,...)
Like asprintf, just portable.
#define GNUNET_MQ_msg_extra(mvar, esize, type)
Allocate an envelope, with extra space allocated after the space needed by the message struct...
Definition: gnunet_mq_lib.h:52
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:1253
uint16_t type
The type of the message (GNUNET_MESSAGE_TYPE_XXXX), in big-endian format.
uint64_t operation_id
Operation ID.
Definition: testbed.h:720
struct Slave * slave
The slave this peer is started through.
Tried to start a service, but that failed for some reason.
uint32_t peer_id
Unique ID for the peer.
Definition: testbed.h:327
uint32_t host_id
Our host id according to this context.
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
uint32_t host_id
Host where the peer is running.
Definition: testbed.h:458
uint64_t operation_id
Operation ID that is used to identify this operation.
Definition: testbed.h:255
struct GNUNET_ARM_Operation * GNUNET_ARM_request_service_stop(struct GNUNET_ARM_Handle *h, const char *service_name, GNUNET_ARM_ResultCallback cont, void *cont_cls)
Request a service to be stopped.
Definition: arm_api.c:1039
struct ForwardedOperationContext * fopcq_head
DLL head for forwarded operation contexts.
Service starting was initiated.
void handle_manage_peer_service(void *cls, const struct GNUNET_TESTBED_ManagePeerServiceMessage *msg)
Handler for GNUNET_MESSAGE_TYPE_TESTBED_MANAGE_PEER_SERVICE messages.
uint64_t op_id
The id of the operation.
uint64_t operation_id
Operation ID that is used to identify this operation.
Definition: testbed.h:596
#define GNUNET_break_op(cond)
Use this for assertion violations caused by other peers (i.e.
#define GNUNET_realloc(ptr, size)
Wrapper around realloc.
#define GNUNET_MESSAGE_TYPE_TESTBED_PEER_EVENT
Message for peer events.
struct PeerReconfigureContext * prev
DLL prev.
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_GET_PEER_INFORMATION.
Definition: testbed.h:586
enum OperationType type
The type of the operation which is forwarded.
void handle_shutdown_peers(void *cls, const struct GNUNET_TESTBED_ShutdownPeersMessage *msg)
Handler for GNUNET_MESSAGE_TYPE_TESTBED_SHUTDOWN_PEERS messages.
Peer destroy operation.
Definition: testbed_api.h:64
void GNUNET_CONFIGURATION_destroy(struct GNUNET_CONFIGURATION_Handle *cfg)
Destroy configuration object.
void handle_peer_get_config(void *cls, const struct GNUNET_TESTBED_PeerGetConfigurationMessage *msg)
Handler for GNUNET_MESSAGE_TYPE_TESTBED_GET_PEER_INFORMATION messages.
static void cleanup(void *cls)
Function scheduled as very last function, cleans up after us.
static const struct GNUNET_CONFIGURATION_Handle * config
A routing entry.
Asked to start it, but it&#39;s already starting.
char * service
Name of the service.
static int result
Global testing status.
Peer start operation.
Definition: testbed_api.h:54
struct ManageServiceContext * prev
DLL prev ptr.
static void peer_list_remove(struct Peer *peer)
Removes a the give peer from the peer array.
union Peer::@66 details
#define GNUNET_MESSAGE_TYPE_TESTBED_PEER_INFORMATION
Message containing the peer&#39;s information.
struct GNUNET_ARM_Handle * GNUNET_ARM_connect(const struct GNUNET_CONFIGURATION_Handle *cfg, GNUNET_ARM_ConnectionStatusCallback conn_status, void *conn_status_cls)
Set up a context for communicating with ARM, then start connecting to the ARM service using that cont...
Definition: arm_api.c:579
struct GNUNET_PeerIdentity peer_identity
Identity of the peer.
Definition: testbed.h:623
void handle_peer_create(void *cls, const struct GNUNET_TESTBED_PeerCreateMessage *msg)
Handler for #GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER messages.
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...
struct Peer ** GST_peer_list
A list of peers we know about.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2324
uint32_t reference_cnt
References to peers are using in forwarded overlay contexts and remote overlay connect contexts...
unsigned int nslaves
The number of slave we expect to hear from since we forwarded the GNUNET_MESSAGE_TYPE_TESTBED_SHUTDOW...
uint64_t operation_id
Unique operation id.
Definition: testbed.h:219
void * cls
Closure pointer.
Message sent from client to testing service to create (configure, but not start) a peer...
Definition: testbed.h:204
static struct PeerReconfigureContext * prc_tail
The DLL tail for the peer reconfigure list.
#define LIST_GROW_STEP
By how much should the arrays lists grow.
Asked to start something, but ARM is shutting down and can&#39;t comply.
void GST_destroy_peer(struct Peer *peer)
Function to destroy a peer.
uint64_t op_id
The operation id of the associated request.
struct GNUNET_ARM_Operation * GNUNET_ARM_request_service_start(struct GNUNET_ARM_Handle *h, const char *service_name, enum GNUNET_OS_InheritStdioFlags std_inheritance, GNUNET_ARM_ResultCallback cont, void *cont_cls)
Request for a service to be started.
Definition: arm_api.c:930
static char * update_peer_config(struct Peer *peer, struct GNUNET_CONFIGURATION_Handle *cfg)
Update peer configuration.
struct GNUNET_TESTBED_ControllerProc * controller_proc
The controller process handle if we had started the controller.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
void handle_peer_destroy(void *cls, const struct GNUNET_TESTBED_PeerDestroyMessage *msg)
Message handler for #GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages.
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
#define GNUNET_CONTAINER_DLL_insert_tail(head, tail, element)
Insert an element at the tail of a DLL.
struct Peer::@66::@67 local
uint64_t operation_id
Operation ID of the operation that created this event.
Definition: testbed.h:548
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:1369
static void prc_stop_cb(void *cls, struct GNUNET_TESTING_Peer *p, int success)
Callback to inform whether the peer is running or stopped.
static const char * arm_ret_string(enum GNUNET_ARM_Result result)
Returns a string interpretation of the result.
struct GNUNET_SERVICE_Client * client
The client which gave this operation to us.
Asked to stop it, but it&#39;s already stopped.
int check_peer_reconfigure(void *cls, const struct GNUNET_TESTBED_PeerReconfigureMessage *msg)
Check #GNUNET_MESSAGE_TYPDE_TESTBED_RECONFIGURE_PEER type messages.
uint8_t start
set this to 1 to start the service; 0 to stop the service
Definition: testbed.h:725
Peer stop operation.
Definition: testbed_api.h:59
size_t GNUNET_TESTBED_compress_config_(const char *config, size_t size, char **xconfig)
Compresses given configuration using zlib compress.
Definition: testbed_api.c:1757
Message was sent successfully.
void GNUNET_TESTING_peer_stop_async_cancel(struct GNUNET_TESTING_Peer *peer)
Cancel a previous asynchronous peer stop request.
Definition: testing.c:1540
char * GNUNET_CONFIGURATION_serialize(const struct GNUNET_CONFIGURATION_Handle *cfg, size_t *size)
Serializes the given configuration.
Start/stop service at a peer.
Definition: testbed_api.h:104
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_START_PEER.
Definition: testbed.h:276
GNUNET_ARM_RequestStatus
Statuses of the requests that client can send to ARM.
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_STOP_PEER.
Definition: testbed.h:299
struct ForwardedOperationContext * fopcq_tail
DLL tail for forwarded operation contexts.
void GST_free_prcq()
Cleans up the Peer reconfigure context list.
static struct PeerReconfigureContext * prc_head
The DLL head for the peer reconfigure list.
struct GNUNET_TIME_Relative GST_timeout
Timeout for operations which may take some time.
uint32_t peer_id
Unique ID of the peer whose service has to be managed.
Definition: testbed.h:715
struct GNUNET_SERVICE_Client * client
The client which requested to manage the peer&#39;s service.
configuration data
Definition: configuration.c:85
void handle_peer_stop(void *cls, const struct GNUNET_TESTBED_PeerStopMessage *msg)
Message handler for GNUNET_MESSAGE_TYPE_TESTBED_STOP_PEER messages.
struct GNUNET_SERVICE_Client * client
The client to which we have to reply.
struct Context * GST_context
The master context; generated with the first INIT message.
static struct ManageServiceContext * mctx_head
DLL head for queue of manage service requests.
Message to start/stop services of a peer.
Definition: testbed.h:705
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_DESTROY_PEER.
Definition: testbed.h:322
static int start_peer(struct Peer *peer)
Stats a peer.
uint32_t host_id
On which host should the peer be started?
Definition: testbed.h:214
uint8_t stopped
The the peer stopped? Used while cleaning up this context to decide whether the asynchronous stop req...
Peer create operation.
Definition: testbed_api.h:49
struct ForwardedOperationContext * next
The next pointer for DLL.
struct GNUNET_CONFIGURATION_Handle * cfg
The configuration handle to use as the new template.
void handle_peer_start(void *cls, const struct GNUNET_TESTBED_PeerStartMessage *msg)
Message handler for GNUNET_MESSAGE_TYPE_TESTBED_START_PEER messages.
Asked to start or stop a service, but it&#39;s not known.
struct GNUNET_TESTBED_Controller * controller
The controller handle.
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:1337
uint64_t operation_id
The id of the operation that has been forwarded.
static void peer_destroy_success_cb(void *cls, const struct GNUNET_MessageHeader *msg)
Callback to be called when forwarded peer destroy operation is successfull.
uint32_t peer_id
Unique ID for the peer.
Definition: testbed.h:304
Header for all communications.
struct PeerReconfigureContext * next
DLL next for inclusoin in peer reconfigure operations list.
#define GNUNET_YES
Definition: gnunet_common.h:77
static const char * arm_req_string(enum GNUNET_ARM_RequestStatus rs)
Returns a string interpretation of rs.
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:353
void GST_notify_client_disconnect_peers(struct GNUNET_SERVICE_Client *client)
Notify peers subsystem that client disconnected.
void GST_send_operation_success_msg(struct GNUNET_SERVICE_Client *client, uint64_t operation_id)
Function to send generic operation success message to given client.
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_SHUTDOWN_PEERS.
Definition: testbed.h:710
void GST_free_occq(void)
Clears all pending overlay connect contexts in queue.
Context data for GNUNET_MESSAGE_TYPE_TESTBED_SHUTDOWN_PEERS handler.
uint32_t peer_id
Unique ID for the peer.
Definition: testbed.h:224
A peer has been stopped.
uint64_t operation_id
Operation ID that is used to identify this operation.
Definition: testbed.h:309
Service was stopped (never sent for ARM itself).
void GNUNET_TESTING_peer_destroy(struct GNUNET_TESTING_Peer *peer)
Destroy the peer.
Definition: testing.c:1556
int check_peer_create(void *cls, const struct GNUNET_TESTBED_PeerCreateMessage *msg)
Check #GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER messages.
Context information for operations forwarded to subcontrollers.
static struct ManageServiceContext * mctx_tail
DLL tail for queue of manage service requests.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2243
uint32_t dest
destination host
Get peer information operation.
Definition: testbed_api.h:69
#define LOG_DEBUG(...)
Debug logging shorthand.
uint64_t operation_id
Operation ID that is used to identify this operation.
Definition: testbed.h:332
uint32_t peer_id
Unique ID for the peer.
Definition: testbed.h:281
uint64_t GNUNET_ntohll(uint64_t n)
Convert unsigned 64-bit integer to host byte order.
Definition: common_endian.c:48
uint8_t expired
Is this context expired? Do not work on this context if it is set to GNUNET_YES.
#define GNUNET_free(ptr)
Wrapper around free.
int GNUNET_TESTING_peer_wait(struct GNUNET_TESTING_Peer *peer)
Waits for a peer to terminate.
Definition: testing.c:1441
static void cleanup_mctx(struct ManageServiceContext *mctx)
Cleanup the context information created for managing a peer&#39;s service.
static void shutdown_peers_reply_cb(void *cls, const struct GNUNET_MessageHeader *msg)
The reply msg handler forwarded SHUTDOWN_PEERS operation.
void GST_free_roccq(void)
Clears all pending remote overlay connect contexts in queue.
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:966