GNUnet  0.10.x
gnunet-service-testbed.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 
27 #include "gnunet-service-testbed.h"
30 
31 /***********/
32 /* Globals */
33 /***********/
34 
39 
44 
49 
54 
59 
64 
69 
73 unsigned int GST_host_list_size;
74 
78 unsigned int GST_peer_list_size;
79 
80 
81 /***********************************/
82 /* Local definitions and variables */
83 /***********************************/
84 
88 static char *hostname;
89 
90 
98 static int
100 {
101  uint32_t host_id;
102 
103  host_id = GNUNET_TESTBED_host_get_id_(host);
104  if (GST_host_list_size <= host_id)
105  GST_array_grow_large_enough(GST_host_list, GST_host_list_size, host_id);
106  if (NULL != GST_host_list[host_id])
107  {
108  LOG_DEBUG("A host with id: %u already exists\n", host_id);
109  return GNUNET_SYSERR;
110  }
111  GST_host_list[host_id] = host;
112  return GNUNET_OK;
113 }
114 
115 
123 void
125  uint64_t operation_id,
126  const char *emsg)
127 {
128  struct GNUNET_MQ_Envelope *env;
130  uint16_t emsg_len;
131 
132  emsg_len = (NULL == emsg) ? 0 : strlen(emsg) + 1;
133  env = GNUNET_MQ_msg_extra(msg,
134  emsg_len,
137  msg->operation_id = GNUNET_htonll(operation_id);
138  GNUNET_memcpy(&msg[1],
139  emsg,
140  emsg_len);
142  env);
143 }
144 
145 
152 void
154  uint64_t operation_id)
155 {
156  struct GNUNET_MQ_Envelope *env;
158 
159  env = GNUNET_MQ_msg(msg,
161  msg->operation_id = GNUNET_htonll(operation_id);
164  env);
165 }
166 
167 
174 static void
175 hr_completion(void *cls,
176  const char *emsg);
177 
178 
185 static void
186 register_next_host(struct Slave *slave)
187 {
188  struct HostRegistration *hr;
189 
190  hr = slave->hr_dll_head;
191  GNUNET_assert(NULL != hr);
192  GNUNET_assert(NULL == slave->rhandle);
193  LOG(GNUNET_ERROR_TYPE_DEBUG, "Registering host %u at %u\n",
195  GNUNET_TESTBED_host_get_id_(GST_host_list[slave->host_id]));
196  slave->rhandle
198  hr->host,
200  slave);
201 }
202 
203 
210 static void
211 hr_completion(void *cls,
212  const char *emsg)
213 {
214  struct Slave *slave = cls;
215  struct HostRegistration *hr;
216 
217  slave->rhandle = NULL;
218  hr = slave->hr_dll_head;
219  GNUNET_assert(NULL != hr);
221  "Registering host %u at %u successful\n",
223  GNUNET_TESTBED_host_get_id_(GST_host_list[slave->host_id]));
225  slave->hr_dll_tail,
226  hr);
227  if (NULL != hr->cb)
228  hr->cb(hr->cb_cls,
229  emsg);
230  GNUNET_free(hr);
231  if (NULL != slave->hr_dll_head)
232  register_next_host(slave);
233 }
234 
235 
245 void
248  void *cb_cls,
249  struct GNUNET_TESTBED_Host *host)
250 {
251  struct HostRegistration *hr;
252  int call_register;
253 
255  "Queueing host registration for host %u at %u\n",
257  GNUNET_TESTBED_host_get_id_(GST_host_list[slave->host_id]));
258  hr = GNUNET_new(struct HostRegistration);
259  hr->cb = cb;
260  hr->cb_cls = cb_cls;
261  hr->host = host;
262  call_register = (NULL == slave->hr_dll_head) ? GNUNET_YES : GNUNET_NO;
264  slave->hr_dll_tail,
265  hr);
266  if (GNUNET_YES == call_register)
267  register_next_host(slave);
268 }
269 
270 
277 void
279  const struct GNUNET_MessageHeader *msg)
280 {
281  struct ForwardedOperationContext *fopc = cls;
282  struct GNUNET_MQ_Envelope *env;
283 
284  LOG_DEBUG("Relaying message with type: %u, size: %u\n",
285  ntohs(msg->type),
286  ntohs(msg->size));
287  env = GNUNET_MQ_msg_copy(msg);
289  env);
291  GNUNET_CONTAINER_DLL_remove(fopcq_head,
292  fopcq_tail,
293  fopc);
294  GNUNET_free(fopc);
295 }
296 
297 
303 void
305 {
306  struct ForwardedOperationContext *fopc = cls;
307 
308  fopc->timeout_task = NULL;
311  "A forwarded operation has timed out\n");
313  fopc->operation_id,
314  "A forwarded operation has timed out");
315  GNUNET_CONTAINER_DLL_remove(fopcq_head,
316  fopcq_tail,
317  fopc);
318  GNUNET_free(fopc);
319 }
320 
321 
331 static struct GNUNET_TESTING_SharedService *
334 {
336  struct GNUNET_TESTING_SharedService *slist;
337  char service[256];
338  char *arg;
339  unsigned int n;
340 
341 #define GROW_SS \
342  do { \
343  GNUNET_array_grow(slist, n, n + 1); \
344  GNUNET_memcpy(&slist[n - 1], &ss, \
345  sizeof(struct GNUNET_TESTING_SharedService)); \
346  } while (0)
347 
348  slist = NULL;
349  n = 0;
350  ss.cfg = cfg;
351  for (; NULL != (arg = strtok(ss_str, " ")); ss_str = NULL)
352  {
353  ss.service = NULL;
354  ss.share = 0;
355  if (2 != sscanf(arg, "%255[^:]:%u",
356  service,
357  &ss.share))
358  {
360  "Ignoring shared service spec: %s",
361  arg);
362  continue;
363  }
364  LOG_DEBUG("Will be sharing %s service among %u peers\n",
365  service,
366  ss.share);
367  ss.service = GNUNET_strdup(service);
368  GROW_SS;
369  }
370  if (NULL != slist)
371  {
372  /* Add trailing NULL block */
373  (void)memset(&ss,
374  0,
375  sizeof(struct GNUNET_TESTING_SharedService));
376  GROW_SS;
377  }
378  return slist;
379 #undef GROW_SS
380 }
381 
382 
390 static int
391 check_init(void *cls,
392  const struct GNUNET_TESTBED_InitMessage *msg)
393 {
394  const char *controller_hostname;
395  uint16_t msize;
396 
397  msize = ntohs(msg->header.size) - sizeof(struct GNUNET_TESTBED_InitMessage);
398  controller_hostname = (const char *)&msg[1];
399  if ('\0' != controller_hostname[msize - 1])
400  {
401  GNUNET_break(0);
402  return GNUNET_SYSERR;
403  }
404  return GNUNET_OK;
405 }
406 
407 
414 static void
415 handle_init(void *cls,
416  const struct GNUNET_TESTBED_InitMessage *msg)
417 {
418  struct GNUNET_SERVICE_Client *client = cls;
419  struct GNUNET_TESTBED_Host *host;
420  const char *controller_hostname;
421  char *ss_str;
422  struct GNUNET_TESTING_SharedService *ss;
423  unsigned int cnt;
424 
425  if (NULL != GST_context)
426  {
427  LOG_DEBUG("We are being connected to laterally\n");
429  return;
430  }
431  controller_hostname = (const char *)&msg[1];
432  ss_str = NULL;
433  ss = NULL;
434  if (GNUNET_OK ==
436  "TESTBED",
437  "SHARED_SERVICES",
438  &ss_str))
439  {
440  ss = parse_shared_services(ss_str,
441  GST_config);
442  GNUNET_free(ss_str);
443  ss_str = NULL;
444  }
445  GST_context = GNUNET_new(struct Context);
446  GST_context->client = client;
447  GST_context->host_id = ntohl(msg->host_id);
448  GST_context->master_ip = GNUNET_strdup(controller_hostname);
449  LOG_DEBUG("Our IP: %s\n",
450  GST_context->master_ip);
451  GST_context->system
452  = GNUNET_TESTING_system_create("testbed",
453  GST_context->master_ip,
454  hostname,
455  ss);
456  if (NULL != ss)
457  {
458  for (cnt = 0; NULL != ss[cnt].service; cnt++)
459  {
460  ss_str = (char *)ss[cnt].service;
461  GNUNET_free(ss_str);
462  }
463  GNUNET_free(ss);
464  ss = NULL;
465  }
466  host =
468  GST_context->master_ip,
469  NULL,
470  GST_config,
471  0);
472  host_list_add(host);
473  LOG_DEBUG("Created master context with host ID: %u\n",
474  GST_context->host_id);
476 }
477 
478 
486 static int
487 check_add_host(void *cls,
488  const struct GNUNET_TESTBED_AddHostMessage *msg)
489 {
490  uint16_t username_length;
491  uint16_t hostname_length;
492  uint16_t msize;
493 
494  msize = ntohs(msg->header.size) - sizeof(struct GNUNET_TESTBED_AddHostMessage);
495  username_length = ntohs(msg->username_length);
496  hostname_length = ntohs(msg->hostname_length);
497  /* msg must contain hostname */
498  if ((msize <= username_length) ||
499  (0 == hostname_length))
500  {
501  GNUNET_break(0);
502  return GNUNET_SYSERR;
503  }
504  /* msg must contain configuration */
505  if (msize <= username_length + hostname_length)
506  {
507  GNUNET_break(0);
508  return GNUNET_SYSERR;
509  }
510  return GNUNET_OK;
511 }
512 
513 
520 static void
521 handle_add_host(void *cls,
522  const struct GNUNET_TESTBED_AddHostMessage *msg)
523 {
524  struct GNUNET_SERVICE_Client *client = cls;
525  struct GNUNET_TESTBED_Host *host;
527  struct GNUNET_CONFIGURATION_Handle *host_cfg;
528  char *username;
529  char *hostname;
530  char *emsg;
531  const void *ptr;
532  uint32_t host_id;
533  uint16_t username_length;
534  uint16_t hostname_length;
535  struct GNUNET_MQ_Envelope *env;
536 
537  username_length = ntohs(msg->username_length);
538  hostname_length = ntohs(msg->hostname_length);
539  username = NULL;
540  hostname = NULL;
541  ptr = &msg[1];
542  if (0 != username_length)
543  {
544  username = GNUNET_malloc(username_length + 1);
545  GNUNET_strlcpy(username, ptr, username_length + 1);
546  ptr += username_length;
547  }
548  hostname = GNUNET_malloc(hostname_length + 1);
549  GNUNET_strlcpy(hostname, ptr, hostname_length + 1);
550  if (NULL == (host_cfg = GNUNET_TESTBED_extract_config_(&msg->header)))
551  {
552  GNUNET_free_non_null(username);
553  GNUNET_free_non_null(hostname);
554  GNUNET_break_op(0);
556  return;
557  }
558  host_id = ntohl(msg->host_id);
559  LOG_DEBUG("Received ADDHOST %u message\n", host_id);
560  LOG_DEBUG("-------host id: %u\n", host_id);
561  LOG_DEBUG("-------hostname: %s\n", hostname);
562  if (NULL != username)
563  LOG_DEBUG("-------username: %s\n", username);
564  else
565  LOG_DEBUG("-------username: <not given>\n");
566  LOG_DEBUG("-------ssh port: %u\n", ntohs(msg->ssh_port));
567  host = GNUNET_TESTBED_host_create_with_id(host_id,
568  hostname,
569  username,
570  host_cfg,
571  ntohs(msg->ssh_port));
572  GNUNET_free_non_null(username);
573  GNUNET_free(hostname);
575  if (NULL == host)
576  {
577  GNUNET_break_op(0);
579  return;
580  }
581  if (GNUNET_OK != host_list_add(host))
582  {
583  /* We are unable to add a host */
584  emsg = "A host exists with given host-id";
585  LOG_DEBUG("%s: %u",
586  emsg,
587  host_id);
589  env = GNUNET_MQ_msg_extra(reply,
590  strlen(emsg) + 1,
592  GNUNET_memcpy(&reply[1],
593  emsg,
594  strlen(emsg) + 1);
595  }
596  else
597  {
598  LOG_DEBUG("Added host %u at %u\n",
599  host_id,
600  GST_context->host_id);
601  env = GNUNET_MQ_msg(reply,
603  }
604  reply->host_id = htonl(host_id);
606  env);
608 }
609 
610 
617 static void
620 {
621  struct GNUNET_SERVICE_Client *client = cls;
622  struct Slave *slave;
623  struct GNUNET_TESTBED_SlaveConfiguration *reply;
624  const struct GNUNET_CONFIGURATION_Handle *cfg;
625  struct GNUNET_MQ_Envelope *env;
626  char *config;
627  char *xconfig;
628  size_t config_size;
629  size_t xconfig_size;
630  uint64_t op_id;
631  uint32_t slave_id;
632 
633  slave_id = ntohl(msg->slave_id);
634  op_id = GNUNET_ntohll(msg->operation_id);
635  if ((GST_slave_list_size <= slave_id) ||
636  (NULL == GST_slave_list[slave_id]))
637  {
638  /* FIXME: Add forwardings for this type of message here.. */
640  op_id,
641  "Slave not found");
643  return;
644  }
645  slave = GST_slave_list[slave_id];
646  GNUNET_assert(NULL != (cfg = GNUNET_TESTBED_host_get_cfg_(GST_host_list[slave->host_id])));
647  config = GNUNET_CONFIGURATION_serialize(cfg,
648  &config_size);
649  /* FIXME: maybe we want to transmit the delta to the default here? */
650  xconfig_size = GNUNET_TESTBED_compress_config_(config,
651  config_size,
652  &xconfig);
653  GNUNET_free(config);
654  GNUNET_assert(xconfig_size + sizeof(struct GNUNET_TESTBED_SlaveConfiguration) <= UINT16_MAX);
655  GNUNET_assert(xconfig_size <= UINT16_MAX);
656  env = GNUNET_MQ_msg_extra(reply,
657  xconfig_size,
659  reply->slave_id = msg->slave_id;
660  reply->operation_id = msg->operation_id;
661  reply->config_size = htons((uint16_t)config_size);
662  GNUNET_memcpy(&reply[1],
663  xconfig,
664  xconfig_size);
665  GNUNET_free(xconfig);
667  env);
669 }
670 
671 
675 void
677 {
678  struct ForwardedOperationContext *fopc;
679 
680  while (NULL != (fopc = fopcq_head))
681  {
682  GNUNET_CONTAINER_DLL_remove(fopcq_head,
683  fopcq_tail,
684  fopc);
686  if (NULL != fopc->timeout_task)
688  switch (fopc->type)
689  {
690  case OP_PEER_CREATE:
691  GNUNET_free(fopc->cls);
692  break;
693 
694  case OP_SHUTDOWN_PEERS:
695  {
696  struct HandlerContext_ShutdownPeers *hc = fopc->cls;
697 
698  GNUNET_assert(0 < hc->nslaves);
699  hc->nslaves--;
700  if (0 == hc->nslaves)
701  GNUNET_free(hc);
702  }
703  break;
704 
705  case OP_PEER_START:
706  case OP_PEER_STOP:
707  case OP_PEER_DESTROY:
708  case OP_PEER_INFO:
709  case OP_OVERLAY_CONNECT:
710  case OP_LINK_CONTROLLERS:
711  case OP_GET_SLAVE_CONFIG:
712  case OP_MANAGE_SERVICE:
713  case OP_PEER_RECONFIGURE:
714  break;
715 
716  case OP_FORWARDED:
717  GNUNET_assert(0);
718  }
719  ;
720  GNUNET_free(fopc);
721  }
722 }
723 
724 
730 static void
731 shutdown_task(void *cls)
732 {
733  uint32_t id;
734 
735  LOG_DEBUG("Shutting down testbed service\n");
736  /* cleanup any remaining forwarded operations */
737  GST_clear_fopcq();
738  GST_free_lcf();
739  GST_free_mctxq();
740  GST_free_occq();
741  GST_free_roccq();
742  GST_free_nccq();
744  GST_free_prcq();
745  /* Clear peer list */
747  /* Clear route list */
749  /* Clear GST_slave_list */
751  /* Clear host list */
752  for (id = 0; id < GST_host_list_size; id++)
753  if (NULL != GST_host_list[id])
754  GNUNET_TESTBED_host_destroy(GST_host_list[id]);
755  GNUNET_free_non_null(GST_host_list);
756  if (NULL != GST_context)
757  {
758  GNUNET_free_non_null(GST_context->master_ip);
759  if (NULL != GST_context->system)
761  GNUNET_YES);
762  GNUNET_free(GST_context);
763  GST_context = NULL;
764  }
766  /* Free hello cache */
767  GST_cache_clear();
770  GST_opq_openfds = NULL;
773  GNUNET_CONFIGURATION_destroy(GST_config);
774 }
775 
776 
785 static void *
787  struct GNUNET_SERVICE_Client *client,
788  struct GNUNET_MQ_Handle *mq)
789 {
790  return client;
791 }
792 
793 
801 static void
803  struct GNUNET_SERVICE_Client *client,
804  void *app_ctx)
805 {
806  struct ForwardedOperationContext *fopc;
807  struct ForwardedOperationContext *fopcn;
808 
809  GNUNET_assert(client == app_ctx);
813  for (fopc = fopcq_head; NULL != fopc; fopc = fopcn)
814  {
815  fopcn = fopc->next;
816  if (fopc->client == client)
817  {
818  /* handle as if it were a timeout */
821  }
822  }
823  if (NULL == GST_context)
824  return;
825  if (client == GST_context->client)
826  {
828  "Master client disconnected\n");
829  GST_context->client = NULL;
830  /* should not be needed as we're terminated by failure to read
831  * from stdin, but if stdin fails for some reason, this shouldn't
832  * hurt for now --- might need to revise this later if we ever
833  * decide that master connections might be temporarily down
834  * for some reason */
835  //GNUNET_SCHEDULER_shutdown ();
836  }
837 }
838 
839 
847 static void
849  const struct GNUNET_CONFIGURATION_Handle *cfg,
851 {
852  char *logfile;
853  unsigned long long num;
854 
855  LOG_DEBUG("Starting testbed\n");
856  if (GNUNET_OK ==
857  GNUNET_CONFIGURATION_get_value_filename(cfg, "TESTBED", "LOG_FILE",
858  &logfile))
859  {
861  GNUNET_log_setup("testbed",
862  "DEBUG",
863  logfile));
864  GNUNET_free(logfile);
865  }
868  "testbed",
869  "CACHE_SIZE",
870  &num));
871  GST_cache_init((unsigned int)num);
872  GST_connection_pool_init((unsigned int)num);
875  "testbed",
876  "MAX_OPEN_FDS",
877  &num));
879  (unsigned int)num);
882  "testbed",
883  "OPERATION_TIMEOUT",
884  &GST_timeout));
887  "testbed",
888  "HOSTNAME",
889  &hostname));
890  GST_config = GNUNET_CONFIGURATION_dup(cfg);
892  NULL);
893  LOG_DEBUG("Testbed startup complete\n");
894  GST_stats_init(GST_config);
895  GST_barriers_init(GST_config);
896 }
897 
898 
903  ("testbed",
905  &testbed_run,
908  NULL,
912  NULL),
916  NULL),
917  GNUNET_MQ_hd_fixed_size(slave_get_config,
920  NULL),
921  GNUNET_MQ_hd_fixed_size(link_controllers,
924  NULL),
925  GNUNET_MQ_hd_var_size(remote_overlay_connect,
928  NULL),
929  GNUNET_MQ_hd_fixed_size(overlay_connect,
932  NULL),
933  GNUNET_MQ_hd_var_size(peer_create,
936  NULL),
937  GNUNET_MQ_hd_fixed_size(peer_destroy,
940  NULL),
941  GNUNET_MQ_hd_fixed_size(peer_start,
944  NULL),
945  GNUNET_MQ_hd_fixed_size(peer_stop,
948  NULL),
949  GNUNET_MQ_hd_fixed_size(peer_get_config,
952  NULL),
953  GNUNET_MQ_hd_var_size(manage_peer_service,
956  NULL),
957  GNUNET_MQ_hd_fixed_size(shutdown_peers,
960  NULL),
961  GNUNET_MQ_hd_var_size(peer_reconfigure,
964  NULL),
965  GNUNET_MQ_hd_var_size(barrier_init,
968  NULL),
969  GNUNET_MQ_hd_var_size(barrier_cancel,
972  NULL),
973  GNUNET_MQ_hd_var_size(barrier_status,
976  NULL),
978 
979 
980 /* end of gnunet-service-testbed.c */
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.
Context to hold data of peer.
#define GNUNET_MESSAGE_TYPE_TESTBED_BARRIER_STATUS
Message for signalling status of a barrier.
Interface for the barrier initialisation handler routine.
#define GNUNET_MESSAGE_TYPE_TESTBED_SLAVE_CONFIGURATION
Message which contains the configuration of slave controller.
Confirmation from the service that adding a host worked (or failed).
Definition: testbed.h:112
Message to request configuration of a slave controller.
Definition: testbed.h:617
void GST_send_operation_fail_msg(struct GNUNET_SERVICE_Client *client, uint64_t operation_id, const char *emsg)
Send operation failure message to client.
uint16_t username_length
Number of bytes in the user name that follows; 0 to use no user name; otherwise &#39;strlen (username)&#39;...
Definition: testbed.h:84
static struct GNUNET_SERVICE_Handle * service
Handle to our service instance.
struct GNUNET_MQ_Envelope * GNUNET_MQ_msg_copy(const struct GNUNET_MessageHeader *hdr)
Create a new envelope by copying an existing message.
Definition: mq.c:651
unsigned int GST_host_list_size
The size of the host list.
#define GNUNET_MESSAGE_TYPE_TESTBED_LINK_CONTROLLERS
Message to link delegated controller to slave controller.
Message sent from host controller of a peer(A) to the host controller of another peer(B) to request B...
Definition: testbed.h:396
void GST_route_list_clear(void)
Cleans up the route list.
int GNUNET_CONFIGURATION_get_value_time(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, struct GNUNET_TIME_Relative *time)
Get a configuration value that should be a relative time.
struct GNUNET_MessageHeader * msg
Definition: 005.c:2
void GST_barriers_destroy()
Function to stop the barrier service.
int GNUNET_CONFIGURATION_get_value_number(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, unsigned long long *number)
Get a configuration value that should be a number.
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_INIT.
Definition: testbed.h:40
void GST_notify_client_disconnect_oc(struct GNUNET_SERVICE_Client *client)
Notify OC subsystem that client disconnected.
Message sent from client to testing service to reconfigure a (stopped) a peer.
Definition: testbed.h:234
Message to cancel a barrier.
Definition: testbed.h:778
uint32_t slave_id
The id of the host where the slave is running.
Definition: testbed.h:647
Handle to a service.
Definition: service.c:114
#define GNUNET_MESSAGE_TYPE_TESTBED_GET_SLAVE_CONFIGURATION
Message to request configuration of a slave controller.
Specification of a service that is to be shared among peers.
data structures shared amongst components of TESTBED service
Message sent from client to testing service to stop a peer.
Definition: testbed.h:286
void GST_clear_fopcq()
Clears the forwarded operations queue.
struct GNUNET_MQ_Handle * GNUNET_SERVICE_client_get_mq(struct GNUNET_SERVICE_Client *c)
Obtain the message queue of c.
Definition: service.c:2424
Message sent from client to testing service to obtain the configuration of a peer.
Definition: testbed.h:563
struct GNUNET_TESTBED_Host * GNUNET_TESTBED_host_create_with_id(uint32_t id, const char *hostname, const char *username, const struct GNUNET_CONFIGURATION_Handle *cfg, uint16_t port)
Create a host to run peers and controllers on.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received, or when GNUNET_SCHEDULER_shutdown() is being invoked.
Definition: scheduler.c:1284
void GST_stats_destroy(void)
Shutdown the status calls module.
Shutdown peers message.
Definition: testbed.h:666
Message sent from client to testing service to destroy a (stopped) peer.
Definition: testbed.h:308
#define LOG(kind,...)
Definition: arm_api.c:33
#define GNUNET_MESSAGE_TYPE_TESTBED_STOP_PEER
Message to stop a peer at a host.
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
Notify the service about a host that we intend to use.
Definition: testbed.h:63
uint64_t operation_id
Operation ID.
Definition: testbed.h:652
char * master_ip
The network address of the master controller.
struct OperationContext * opc
The generated operation context.
void GST_queue_host_registration(struct Slave *slave, GNUNET_TESTBED_HostRegistrationCompletion cb, void *cb_cls, struct GNUNET_TESTBED_Host *host)
Adds a host registration&#39;s request to a slave&#39;s registration queue.
#define GNUNET_MESSAGE_TYPE_TESTBED_SHUTDOWN_PEERS
A controller receiving this message floods it to its directly-connected sub-controllers and then stop...
static void add_host(const char *hostname, uint16_t rec_type, const void *data, size_t data_size)
Add information about a host from /etc/hosts to our cache.
uint16_t hostname_length
Number of bytes in the host name (excluding 0-termination) that follows the user name; cannot be 0...
Definition: testbed.h:90
uint16_t config_size
The size of the configuration when uncompressed.
Definition: testbed.h:657
Operation queue which permits a fixed maximum number of operations to be active at any time...
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.
#define GNUNET_MQ_hd_fixed_size(name, code, str, ctx)
Stop and destroy all peers.
Definition: testbed_api.h:98
#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.
static void register_next_host(struct Slave *slave)
Attempts to register the next host in the host registration queue.
#define GNUNET_MESSAGE_TYPE_TESTBED_ADD_HOST_SUCCESS
Message to signal that a add host succeeded.
#define GNUNET_NO
Definition: gnunet_common.h:78
static struct GNUNET_IDENTITY_Handle * id
Handle to identity service.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
#define GNUNET_free_non_null(ptr)
Free the memory pointed to by ptr if ptr is not NULL.
void(* GNUNET_TESTBED_HostRegistrationCompletion)(void *cls, const char *emsg)
Callback which will be called to after a host registration succeeded or failed.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
static void * client_connect_cb(void *cls, struct GNUNET_SERVICE_Client *client, struct GNUNET_MQ_Handle *mq)
Callback for client connect.
Structure representing a connected(directly-linked) controller.
static struct GNUNET_TESTING_SharedService * parse_shared_services(char *ss_str, struct GNUNET_CONFIGURATION_Handle *cfg)
Parse service sharing specification line.
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format...
struct GNUNET_TESTBED_HostRegistrationHandle * rhandle
The current host registration handle.
Opaque handle to a host running experiments managed by the testing framework.
Event notification from a controller to a client.
Definition: testbed.h:493
Initial message from a client to a testing control service.
Definition: testbed.h:36
void GST_free_mctxq(void)
Frees the ManageServiceContext queue.
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
#define GNUNET_MESSAGE_TYPE_TESTBED_MANAGE_PEER_SERVICE
Message to start/stop a service of a peer.
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:2059
struct OperationQueue * GNUNET_TESTBED_operation_queue_create_(enum OperationQueueType type, unsigned int max_active)
Create an operation queue.
int32_t event_type
&#39;enum GNUNET_TESTBED_EventType&#39; (in NBO); GNUNET_TESTBED_ET_OPERATION_FINISHED.
Definition: testbed.h:503
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct OperationQueue * GST_opq_openfds
Operation queue for open file descriptors.
#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.
void GST_forwarded_operation_timeout(void *cls)
Task to free resources when forwarded operation has been timed out.
Reconfigure a peer.
Definition: testbed_api.h:73
Message sent from client to testing service to start a peer.
Definition: testbed.h:264
#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:246
static void handle_add_host(void *cls, const struct GNUNET_TESTBED_AddHostMessage *msg)
Message handler for #GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages.
uint64_t operation_id
Operation ID of the operation that created this event.
Definition: testbed.h:555
GNUNET_TESTBED_HostRegistrationCompletion cb
The callback to call after this registration&#39;s status is available.
static void hr_completion(void *cls, const char *emsg)
Callback which will be called after a host registration succeeded or failed.
#define GNUNET_MESSAGE_TYPE_TESTBED_OPERATION_FAIL_EVENT
Message for operation events.
#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
static void client_disconnect_cb(void *cls, struct GNUNET_SERVICE_Client *client, void *app_ctx)
Callback for client disconnect.
uint16_t type
The type of the message (GNUNET_MESSAGE_TYPE_XXXX), in big-endian format.
Link controllers operation.
Definition: testbed_api.h:88
uint32_t host_id
Our host id according to this context.
struct ForwardedOperationContext * fopcq_head
DLL head for forwarded operation contexts.
#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...
uint64_t operation_id
Operation ID of the operation that created this event.
Definition: testbed.h:508
#define GNUNET_MQ_hd_var_size(name, code, str, ctx)
#define GNUNET_break_op(cond)
Use this for assertion violations caused by other peers (i.e.
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:1399
#define GNUNET_MESSAGE_TYPE_TESTBED_RECONFIGURE_PEER
Message to reconfigure a peer.
static int check_init(void *cls, const struct GNUNET_TESTBED_InitMessage *msg)
Check GNUNET_MESSAGE_TYPE_TESTBED_INIT messages.
struct GNUNET_TESTBED_Host ** GST_host_list
Array of hosts.
enum OperationType type
The type of the operation which is forwarded.
static int host_list_add(struct GNUNET_TESTBED_Host *host)
Function to add a host to the current list of known hosts.
A DLL of host registrations to be made.
void GST_barriers_init(struct GNUNET_CONFIGURATION_Handle *cfg)
Function to initialise barrriers component.
Peer destroy operation.
Definition: testbed_api.h:63
struct GNUNET_SERVICE_Client * client
The client handle associated with this context.
A requested testbed operation has been completed.
void GNUNET_CONFIGURATION_destroy(struct GNUNET_CONFIGURATION_Handle *cfg)
Destroy configuration object.
#define GNUNET_MESSAGE_TYPE_TESTBED_DESTROY_PEER
Message to destroy a peer.
static const struct GNUNET_CONFIGURATION_Handle * config
#define GNUNET_MESSAGE_TYPE_TESTBED_ADD_HOST
Message to add host.
uint32_t GNUNET_TESTBED_host_get_id_(const struct GNUNET_TESTBED_Host *host)
Obtain the host&#39;s unique global ID.
struct HostRegistration * hr_dll_tail
Tail of the host registration DLL.
uint32_t host_id
Unique ID for the host (in NBO).
Definition: testbed.h:121
Peer start operation.
Definition: testbed_api.h:53
void GST_cache_clear(void)
Clear cache.
const struct GNUNET_CONFIGURATION_Handle * GNUNET_TESTBED_host_get_cfg_(const struct GNUNET_TESTBED_Host *host)
Obtain the host&#39;s configuration template.
void GST_cache_init(unsigned int size)
Initializes the cache.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2315
#define GNUNET_MESSAGE_TYPE_TESTBED_OVERLAY_CONNECT
Message to connect peers in a overlay.
unsigned int share
The number of peers which share an instance of the service.
unsigned int nslaves
The number of slave we expect to hear from since we forwarded the GNUNET_MESSAGE_TYPE_TESTBED_SHUTDOW...
struct HostRegistration * hr_dll_head
Head of the host registration DLL.
void * cls
Closure pointer.
Message sent from client to testing service to create (configure, but not start) a peer...
Definition: testbed.h:199
int GNUNET_CONFIGURATION_get_value_string(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, char **value)
Get a configuration value that should be a string.
static struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
Definition: gnunet-arm.c:104
uint64_t operation_id
Operation ID.
Definition: testbed.h:631
struct GNUNET_TESTING_System * GNUNET_TESTING_system_create(const char *testdir, const char *trusted_ip, const char *hostname, const struct GNUNET_TESTING_SharedService *shared_services)
Create a system handle.
Definition: testing.c:449
uint64_t GNUNET_htonll(uint64_t n)
Convert unsigned 64-bit integer to network byte order.
Definition: common_endian.c:35
void GNUNET_TESTBED_operation_queue_destroy_(struct OperationQueue *queue)
Destroys an operation queue.
Interface for connection pooling subroutines.
void GNUNET_TESTING_system_destroy(struct GNUNET_TESTING_System *system, int remove_paths)
Free system resources.
Definition: testing.c:530
uint32_t host_id
Unique ID for the host (in NBO).
Definition: testbed.h:72
void GNUNET_TESTBED_host_destroy(struct GNUNET_TESTBED_Host *host)
Destroy a host handle.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
Reply to GNUNET_MESSAGE_TYPE_TESTBED_GET_SLAVE_CONFIGURATION message.
Definition: testbed.h:638
Overlay connection operation.
Definition: testbed_api.h:78
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_TESTBED_ADD_HOST.
Definition: testbed.h:67
const char * service
The name of the service.
static void testbed_run(void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg, struct GNUNET_SERVICE_Handle *service)
Testbed setup.
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
Forwarded operation.
Definition: testbed_api.h:83
#define GNUNET_CONTAINER_DLL_insert_tail(head, tail, element)
Insert an element at the tail of a DLL.
#define GNUNET_MESSAGE_TYPE_TESTBED_GET_PEER_INFORMATION
Message to get a peer&#39;s information.
struct GNUNET_TESTBED_Host * host
The host that has to be registered.
static char * init
Set to the name of a service to start.
Definition: gnunet-arm.c:69
static void handle_slave_get_config(void *cls, const struct GNUNET_TESTBED_SlaveGetConfigurationMessage *msg)
Handler for #GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG messages.
uint32_t host_id
Host ID that the controller is either given (if this is the dominating client) or assumed to have (fo...
Definition: testbed.h:48
#define GNUNET_MESSAGE_TYPE_TESTBED_CREATE_PEER
Message to create a peer at a host.
struct GNUNET_CONFIGURATION_Handle * GNUNET_CONFIGURATION_dup(const struct GNUNET_CONFIGURATION_Handle *cfg)
Duplicate an existing configuration object.
Peer stop operation.
Definition: testbed_api.h:58
size_t GNUNET_TESTBED_compress_config_(const char *config, size_t size, char **xconfig)
Compresses given configuration using zlib compress.
Definition: testbed_api.c:1750
char * GNUNET_CONFIGURATION_serialize(const struct GNUNET_CONFIGURATION_Handle *cfg, size_t *size)
Serializes the given configuration.
Handle to a message queue.
Definition: mq.c:84
Message sent from client to testing service to connect two peers.
Definition: testbed.h:364
Get slave config operation.
Definition: testbed_api.h:93
Start/stop service at a peer.
Definition: testbed_api.h:103
Queue of operations where we can only support a certain number of concurrent operations of a particul...
struct ForwardedOperationContext * fopcq_tail
DLL tail for forwarded operation contexts.
struct GNUNET_TIME_Relative GST_timeout
Timeout for operations which may take some time.
static char * hostname
Our hostname; we give this to all the peers we start.
void GST_notify_client_disconnect_peers(struct GNUNET_SERVICE_Client *client)
Notify peers subsystem that client disconnected.
uint32_t host_id
The id of the host this controller is running on.
configuration data
Definition: configuration.c:83
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.
Message to start/stop services of a peer.
Definition: testbed.h:682
const struct GNUNET_CONFIGURATION_Handle * cfg
The configuration template for the service.
void GST_connection_pool_init(unsigned int size)
Initialise the connection pool.
void GST_free_prcq(void)
Cleans up the Peer reconfigure context list.
#define GNUNET_MESSAGE_TYPE_TESTBED_INIT
Initial message from a client to a testing control service.
#define GROW_SS
struct GNUNET_MQ_Handle * mq
Definition: 003.c:5
Peer create operation.
Definition: testbed_api.h:48
struct ForwardedOperationContext * next
The next pointer for DLL.
struct GNUNET_TESTBED_Controller * controller
The controller handle.
int GNUNET_CONFIGURATION_get_value_filename(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, char **value)
Get a configuration value that should be the name of a file or directory.
uint64_t operation_id
The id of the operation that has been forwarded.
void GST_stats_init(const struct GNUNET_CONFIGURATION_Handle *cfg)
Initialize logging CPU and IO statisticfs.
static void handle_init(void *cls, const struct GNUNET_TESTBED_InitMessage *msg)
Message handler for GNUNET_MESSAGE_TYPE_TESTBED_INIT messages.
Header for all communications.
Event notification from a controller to a client for a generic operational success where the operatio...
Definition: testbed.h:540
#define GNUNET_YES
Definition: gnunet_common.h:77
Message for signalling status changes of a barrier.
Definition: testbed.h:794
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:351
void * cb_cls
The closure for the above callback.
GNUNET_SERVICE_MAIN("testbed", GNUNET_SERVICE_OPTION_NONE, &testbed_run, &client_connect_cb, &client_disconnect_cb, NULL, GNUNET_MQ_hd_var_size(init, GNUNET_MESSAGE_TYPE_TESTBED_INIT, struct GNUNET_TESTBED_InitMessage, NULL), GNUNET_MQ_hd_var_size(add_host, GNUNET_MESSAGE_TYPE_TESTBED_ADD_HOST, struct GNUNET_TESTBED_AddHostMessage, NULL), GNUNET_MQ_hd_fixed_size(slave_get_config, GNUNET_MESSAGE_TYPE_TESTBED_GET_SLAVE_CONFIGURATION, struct GNUNET_TESTBED_SlaveGetConfigurationMessage, NULL), GNUNET_MQ_hd_fixed_size(link_controllers, GNUNET_MESSAGE_TYPE_TESTBED_LINK_CONTROLLERS, struct GNUNET_TESTBED_ControllerLinkRequest, NULL), GNUNET_MQ_hd_var_size(remote_overlay_connect, GNUNET_MESSAGE_TYPE_TESTBED_REMOTE_OVERLAY_CONNECT, struct GNUNET_TESTBED_RemoteOverlayConnectMessage, NULL), GNUNET_MQ_hd_fixed_size(overlay_connect, GNUNET_MESSAGE_TYPE_TESTBED_OVERLAY_CONNECT, struct GNUNET_TESTBED_OverlayConnectMessage, NULL), GNUNET_MQ_hd_var_size(peer_create, GNUNET_MESSAGE_TYPE_TESTBED_CREATE_PEER, struct GNUNET_TESTBED_PeerCreateMessage, NULL), GNUNET_MQ_hd_fixed_size(peer_destroy, GNUNET_MESSAGE_TYPE_TESTBED_DESTROY_PEER, struct GNUNET_TESTBED_PeerDestroyMessage, NULL), GNUNET_MQ_hd_fixed_size(peer_start, GNUNET_MESSAGE_TYPE_TESTBED_START_PEER, struct GNUNET_TESTBED_PeerStartMessage, NULL), GNUNET_MQ_hd_fixed_size(peer_stop, GNUNET_MESSAGE_TYPE_TESTBED_STOP_PEER, struct GNUNET_TESTBED_PeerStopMessage, NULL), GNUNET_MQ_hd_fixed_size(peer_get_config, GNUNET_MESSAGE_TYPE_TESTBED_GET_PEER_INFORMATION, struct GNUNET_TESTBED_PeerGetConfigurationMessage, NULL), GNUNET_MQ_hd_var_size(manage_peer_service, GNUNET_MESSAGE_TYPE_TESTBED_MANAGE_PEER_SERVICE, struct GNUNET_TESTBED_ManagePeerServiceMessage, NULL), GNUNET_MQ_hd_fixed_size(shutdown_peers, GNUNET_MESSAGE_TYPE_TESTBED_SHUTDOWN_PEERS, struct GNUNET_TESTBED_ShutdownPeersMessage, NULL), GNUNET_MQ_hd_var_size(peer_reconfigure, GNUNET_MESSAGE_TYPE_TESTBED_RECONFIGURE_PEER, struct GNUNET_TESTBED_PeerReconfigureMessage, NULL), GNUNET_MQ_hd_var_size(barrier_init, GNUNET_MESSAGE_TYPE_TESTBED_BARRIER_INIT, struct GNUNET_TESTBED_BarrierInit, NULL), GNUNET_MQ_hd_var_size(barrier_cancel, GNUNET_MESSAGE_TYPE_TESTBED_BARRIER_CANCEL, struct GNUNET_TESTBED_BarrierCancel, NULL), GNUNET_MQ_hd_var_size(barrier_status, GNUNET_MESSAGE_TYPE_TESTBED_BARRIER_STATUS, struct GNUNET_TESTBED_BarrierStatusMsg, NULL), GNUNET_MQ_handler_end())
Define "main" method using service macro.
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.
void GST_free_lcf(void)
Cleans up the queue used for forwarding link controllers requests.
static int check_add_host(void *cls, const struct GNUNET_TESTBED_AddHostMessage *msg)
Check #GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages.
#define GNUNET_MESSAGE_TYPE_TESTBED_BARRIER_INIT
Message to initialise a barrier.
void GST_free_occq(void)
Clears all pending overlay connect contexts in queue.
uint32_t slave_id
The id of the slave host.
Definition: testbed.h:626
Context data for GNUNET_MESSAGE_TYPE_TESTBED_SHUTDOWN_PEERS handler.
#define GNUNET_MESSAGE_TYPE_TESTBED_BARRIER_CANCEL
Message to cancel a barrier.
int GNUNET_log_setup(const char *comp, const char *loglevel, const char *logfile)
Setup logging.
struct GNUNET_CONFIGURATION_Handle * GST_config
Our configuration.
Message to initialise a barrier.
Definition: testbed.h:757
Context information for operations forwarded to subcontrollers.
struct GNUNET_TESTBED_HostRegistrationHandle * GNUNET_TESTBED_register_host(struct GNUNET_TESTBED_Controller *controller, struct GNUNET_TESTBED_Host *host, GNUNET_TESTBED_HostRegistrationCompletion cc, void *cc_cls)
Register a host with the controller.
size_t GNUNET_strlcpy(char *dst, const char *src, size_t n)
Like strlcpy but portable.
Definition: strings.c:219
#define GNUNET_MESSAGE_TYPE_TESTBED_START_PEER
Message to start a peer at a host.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2234
Get peer information operation.
Definition: testbed_api.h:68
static void shutdown_task(void *cls)
Task to clean up and shutdown nicely.
#define LOG_DEBUG(...)
Debug logging shorthand.
#define GNUNET_MQ_handler_end()
End-marker for the handlers array.
#define GNUNET_malloc(size)
Wrapper around malloc.
void GST_connection_pool_destroy()
Cleanup the connection pool.
uint16_t ssh_port
SSH port to use, 0 for default (in NBO).
Definition: testbed.h:77
uint64_t GNUNET_ntohll(uint64_t n)
Convert unsigned 64-bit integer to host byte order.
Definition: common_endian.c:48
#define GNUNET_free(ptr)
Wrapper around free.
Time for relative time used by GNUnet, in microseconds.
void GST_destroy_peers(void)
Stops and destroys all peers.
Client notifies controller that it should delegate requests for a particular client to a particular s...
Definition: testbed.h:133
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:956
int32_t event_type
&#39;enum GNUNET_TESTBED_EventType&#39; (in NBO); GNUNET_TESTBED_ET_OPERATION_FINISHED.
Definition: testbed.h:550