2 This file is part of GNUnet.
3 (C) 2012 Christian Grothoff (and other contributing authors)
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6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 2, or (at your
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
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16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 * @file testbed/gnunet-service-testbed.c
23 * @brief implementation of the TESTBED service
24 * @author Sree Harsha Totakura
28 #include "gnunet_service_lib.h"
29 #include "gnunet_server_lib.h"
30 #include "gnunet_transport_service.h"
31 #include "gnunet_core_service.h"
32 #include "gnunet_hello_lib.h"
35 #include "gnunet_testbed_service.h"
37 #include "testbed_api.h"
38 #include "testbed_api_hosts.h"
39 #include "gnunet_testing_lib-new.h"
44 #define LOG(kind,...) \
45 GNUNET_log (kind, __VA_ARGS__)
50 #define LOG_DEBUG(...) \
51 LOG (GNUNET_ERROR_TYPE_DEBUG, __VA_ARGS__)
54 * By how much should the arrays lists grow
56 #define LIST_GROW_STEP 10
59 * Default timeout for operations which may take some time
61 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 30)
64 * The main context information associated with the client which started us
69 * The client handle associated with this context
71 struct GNUNET_SERVER_Client *client;
74 * The network address of the master controller
79 * The TESTING system handle for starting peers locally
81 struct GNUNET_TESTING_System *system;
84 * Our host id according to this context
91 * The message queue for sending messages to clients
96 * The message to be sent
98 struct GNUNET_MessageHeader *msg;
101 * The client to send the message to
103 struct GNUNET_SERVER_Client *client;
106 * next pointer for DLL
108 struct MessageQueue *next;
111 * prev pointer for DLL
113 struct MessageQueue *prev;
118 * The structure for identifying a shared service
123 * The name of the shared service
128 * Number of shared peers per instance of the shared service
133 * Number of peers currently sharing the service
135 uint32_t num_sharing;
150 * The destination host is reachable thru
157 * Context information used while linking controllers
159 struct LinkControllersContext;
163 * A DLL of host registrations to be made
165 struct HostRegistration
168 * next registration in the DLL
170 struct HostRegistration *next;
173 * previous registration in the DLL
175 struct HostRegistration *prev;
178 * The callback to call after this registration's status is available
180 GNUNET_TESTBED_HostRegistrationCompletion cb;
183 * The closure for the above callback
188 * The host that has to be registered
190 struct GNUNET_TESTBED_Host *host;
195 * This context information will be created for each host that is registered at
196 * slave controllers during overlay connects.
198 struct RegisteredHostContext
201 * The host which is being registered
203 struct GNUNET_TESTBED_Host *reg_host;
206 * The host of the controller which has to connect to the above rhost
208 struct GNUNET_TESTBED_Host *host;
211 * The gateway to which this operation is forwarded to
213 struct Slave *gateway;
216 * The gateway through which peer2's controller can be reached
218 struct Slave *gateway2;
221 * Handle for sub-operations
223 struct GNUNET_TESTBED_Operation *sub_op;
226 * The client which initiated the link controller operation
228 struct GNUNET_SERVER_Client *client;
231 * Head of the ForwardedOverlayConnectContext DLL
233 struct ForwardedOverlayConnectContext *focc_dll_head;
236 * Tail of the ForwardedOverlayConnectContext DLL
238 struct ForwardedOverlayConnectContext *focc_dll_tail;
241 * Enumeration of states for this context
251 * State where we attempt to get peer2's controller configuration
256 * State where we attempt to link the controller of peer 1 to the controller
262 * State where we attempt to do the overlay connection again
272 * Structure representing a connected(directly-linked) controller
277 * The controller process handle if we had started the controller
279 struct GNUNET_TESTBED_ControllerProc *controller_proc;
282 * The controller handle
284 struct GNUNET_TESTBED_Controller *controller;
287 * The configuration of the slave. Cannot be NULL
289 struct GNUNET_CONFIGURATION_Handle *cfg;
292 * handle to lcc which is associated with this slave startup. Should be set to
293 * NULL when the slave has successfully started up
295 struct LinkControllersContext *lcc;
298 * Head of the host registration DLL
300 struct HostRegistration *hr_dll_head;
303 * Tail of the host registration DLL
305 struct HostRegistration *hr_dll_tail;
308 * The current host registration handle
310 struct GNUNET_TESTBED_HostRegistrationHandle *rhandle;
313 * Hashmap to hold Registered host contexts
315 struct GNUNET_CONTAINER_MultiHashMap *reghost_map;
318 * The id of the host this controller is running on
326 * States of LCFContext
331 * The Context has been initialized; Nothing has been done on it
336 * Delegated host has been registered at the forwarding controller
338 DELEGATED_HOST_REGISTERED,
341 * The slave host has been registred at the forwarding controller
343 SLAVE_HOST_REGISTERED,
346 * The context has been finished (may have error)
353 * Link controllers request forwarding context
358 * The gateway which will pass the link message to delegated host
360 struct Slave *gateway;
363 * The controller link message that has to be forwarded to
365 struct GNUNET_TESTBED_ControllerLinkMessage *msg;
368 * The client which has asked to perform this operation
370 struct GNUNET_SERVER_Client *client;
373 * Handle for operations which are forwarded while linking controllers
375 struct ForwardedOperationContext *fopc;
378 * The id of the operation which created this context
380 uint64_t operation_id;
383 * The state of this context
385 enum LCFContextState state;
390 uint32_t delegated_host_id;
395 uint32_t slave_host_id;
401 * Structure of a queue entry in LCFContext request queue
403 struct LCFContextQueue
408 struct LCFContext *lcf;
413 struct LCFContextQueue *next;
418 struct LCFContextQueue *prev;
433 * The peer handle from testing API
435 struct GNUNET_TESTING_Peer *peer;
438 * The modified (by GNUNET_TESTING_peer_configure) configuration this
439 * peer is configured with
441 struct GNUNET_CONFIGURATION_Handle *cfg;
444 * Is the peer running
453 * The slave this peer is started through
458 * The id of the remote host this peer is running on
460 uint32_t remote_host_id;
467 * Is this peer locally created?
472 * Our local reference id for this peer
477 * References to peers are using in forwarded overlay contexts and remote
478 * overlay connect contexts. A peer can only be destroyed after all such
479 * contexts are destroyed. For this, we maintain a reference counter. When we
480 * use a peer in any such context, we increment this counter. We decrement it
481 * when we are destroying these contexts
483 uint32_t reference_cnt;
486 * While destroying a peer, due to the fact that there could be references to
487 * this peer, we delay the peer destroy to a further time. We do this by using
488 * this flag to destroy the peer while destroying a context in which this peer
489 * has been used. When the flag is set to 1 and reference_cnt = 0 we destroy
492 uint32_t destroy_flag;
498 * Context information for transport try connect
500 struct TryConnectContext
503 * The identity of the peer to which the transport has to attempt a connection
505 struct GNUNET_PeerIdentity *pid;
508 * The transport handle
510 struct GNUNET_TRANSPORT_Handle *th;
513 * the try connect handle
515 struct GNUNET_TRANSPORT_TryConnectHandle *tch;
520 GNUNET_SCHEDULER_TaskIdentifier task;
523 * The number of times we attempted to connect
525 unsigned int retries;
531 * Context information for connecting 2 peers in overlay
533 struct OverlayConnectContext
536 * The next pointer for maintaining a DLL
538 struct OverlayConnectContext *next;
541 * The prev pointer for maintaining a DLL
543 struct OverlayConnectContext *prev;
546 * The client which has requested for overlay connection
548 struct GNUNET_SERVER_Client *client;
551 * the peer which has to connect to the other peer
556 * Transport handle of the first peer to get its HELLO
558 struct GNUNET_TRANSPORT_Handle *p1th;
561 * Core handles of the first peer; used to notify when second peer connects to it
563 struct GNUNET_CORE_Handle *ch;
566 * HELLO of the other peer
568 struct GNUNET_MessageHeader *hello;
571 * Get hello handle to acquire HELLO of first peer
573 struct GNUNET_TRANSPORT_GetHelloHandle *ghh;
576 * The handle for offering HELLO
578 struct GNUNET_TRANSPORT_OfferHelloHandle *ohh;
581 * The error message we send if this overlay connect operation has timed out
586 * Operation context for suboperations
588 struct OperationContext *opc;
591 * Controller of peer 2; NULL if the peer is local
593 struct GNUNET_TESTBED_Controller *peer2_controller;
596 * The transport try connect context
598 struct TryConnectContext tcc;
601 * The peer identity of the first peer
603 struct GNUNET_PeerIdentity peer_identity;
606 * The peer identity of the other peer
608 struct GNUNET_PeerIdentity other_peer_identity;
611 * The id of the operation responsible for creating this context
616 * The id of the task for sending HELLO of peer 2 to peer 1 and ask peer 1 to
619 GNUNET_SCHEDULER_TaskIdentifier send_hello_task;
622 * The id of the overlay connect timeout task
624 GNUNET_SCHEDULER_TaskIdentifier timeout_task;
627 * The id of the cleanup task
629 GNUNET_SCHEDULER_TaskIdentifier cleanup_task;
639 uint32_t other_peer_id;
645 * Context information for RequestOverlayConnect
646 * operations. RequestOverlayConnect is used when peers A, B reside on different
647 * hosts and the host controller for peer B is asked by the host controller of
648 * peer A to make peer B connect to peer A
650 struct RequestOverlayConnectContext
653 * the next pointer for DLL
655 struct RequestOverlayConnectContext *next;
658 * the prev pointer for DLL
660 struct RequestOverlayConnectContext *prev;
663 * The transport handle of peer B
665 struct GNUNET_TRANSPORT_Handle *th;
668 * The peer handle of peer B
675 struct GNUNET_MessageHeader *hello;
678 * The handle for offering HELLO
680 struct GNUNET_TRANSPORT_OfferHelloHandle *ohh;
683 * The handle for transport try connect
685 struct GNUNET_TRANSPORT_TryConnectHandle *tch;
688 * The peer identity of peer A
690 struct GNUNET_PeerIdentity a_id;
693 * Task for offering HELLO of A to B and doing try_connect
695 GNUNET_SCHEDULER_TaskIdentifier attempt_connect_task_id;
698 * Task to timeout RequestOverlayConnect
700 GNUNET_SCHEDULER_TaskIdentifier timeout_rocc_task_id;
706 * Context information for operations forwarded to subcontrollers
708 struct ForwardedOperationContext
711 * The next pointer for DLL
713 struct ForwardedOperationContext *next;
716 * The prev pointer for DLL
718 struct ForwardedOperationContext *prev;
721 * The generated operation context
723 struct OperationContext *opc;
726 * The client to which we have to reply
728 struct GNUNET_SERVER_Client *client;
736 * Task ID for the timeout task
738 GNUNET_SCHEDULER_TaskIdentifier timeout_task;
741 * The id of the operation that has been forwarded
743 uint64_t operation_id;
746 * The type of the operation which is forwarded
748 enum OperationType type;
754 * Context information used while linking controllers
756 struct LinkControllersContext
759 * The client which initiated the link controller operation
761 struct GNUNET_SERVER_Client *client;
764 * The ID of the operation
766 uint64_t operation_id;
772 * Context information to used during operations which forward the overlay
775 struct ForwardedOverlayConnectContext
778 * next ForwardedOverlayConnectContext in the DLL
780 struct ForwardedOverlayConnectContext *next;
783 * previous ForwardedOverlayConnectContext in the DLL
785 struct ForwardedOverlayConnectContext *prev;
788 * A copy of the original overlay connect message
790 struct GNUNET_MessageHeader *orig_msg;
793 * The id of the operation which created this context information
795 uint64_t operation_id;
808 * Id of the host where peer2 is running
810 uint32_t peer2_host_id;
816 * The master context; generated with the first INIT message
818 static struct Context *master_context;
821 * Our hostname; we give this to all the peers we start
823 static char *hostname;
833 static struct GNUNET_CONFIGURATION_Handle *our_config;
836 * Current Transmit Handle; NULL if no notify transmit exists currently
838 static struct GNUNET_SERVER_TransmitHandle *transmit_handle;
845 * The head for the LCF queue
847 static struct LCFContextQueue *lcfq_head;
850 * The tail for the LCF queue
852 static struct LCFContextQueue *lcfq_tail;
855 * The message queue head
857 static struct MessageQueue *mq_head;
860 * The message queue tail
862 static struct MessageQueue *mq_tail;
865 * DLL head for OverlayConnectContext DLL - to be used to clean up during shutdown
867 static struct OverlayConnectContext *occq_head;
870 * DLL tail for OverlayConnectContext DLL
872 static struct OverlayConnectContext *occq_tail;
875 * DLL head for RequectOverlayConnectContext DLL - to be used to clean up during
878 static struct RequestOverlayConnectContext *roccq_head;
881 * DLL tail for RequectOverlayConnectContext DLL
883 static struct RequestOverlayConnectContext *roccq_tail;
886 * DLL head for forwarded operation contexts
888 static struct ForwardedOperationContext *fopcq_head;
891 * DLL tail for forwarded operation contexts
893 static struct ForwardedOperationContext *fopcq_tail;
898 static struct GNUNET_TESTBED_Host **host_list;
903 static struct Route **route_list;
906 * A list of directly linked neighbours
908 static struct Slave **slave_list;
911 * A list of peers we know about
913 static struct Peer **peer_list;
916 * The hashmap of shared services
918 static struct GNUNET_CONTAINER_MultiHashMap *ss_map;
921 * The event mask for the events we listen from sub-controllers
923 static uint64_t event_mask;
926 * The size of the host list
928 static uint32_t host_list_size;
931 * The size of the route list
933 static uint32_t route_list_size;
936 * The size of directly linked neighbours list
938 static uint32_t slave_list_size;
941 * The size of the peer list
943 static uint32_t peer_list_size;
950 * The lcf_task handle
952 static GNUNET_SCHEDULER_TaskIdentifier lcf_proc_task_id;
955 * The shutdown task handle
957 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task_id;
961 * Function called to notify a client about the connection begin ready to queue
962 * more data. "buf" will be NULL and "size" zero if the connection was closed
963 * for writing in the meantime.
966 * @param size number of bytes available in buf
967 * @param buf where the callee should write the message
968 * @return number of bytes written to buf
971 transmit_ready_notify (void *cls, size_t size, void *buf)
973 struct MessageQueue *mq_entry;
975 transmit_handle = NULL;
977 GNUNET_assert (NULL != mq_entry);
980 GNUNET_assert (ntohs (mq_entry->msg->size) <= size);
981 size = ntohs (mq_entry->msg->size);
982 memcpy (buf, mq_entry->msg, size);
983 GNUNET_free (mq_entry->msg);
984 GNUNET_SERVER_client_drop (mq_entry->client);
985 GNUNET_CONTAINER_DLL_remove (mq_head, mq_tail, mq_entry);
986 GNUNET_free (mq_entry);
988 if (NULL != mq_entry)
990 GNUNET_SERVER_notify_transmit_ready (mq_entry->client,
991 ntohs (mq_entry->msg->size),
992 GNUNET_TIME_UNIT_FOREVER_REL,
993 &transmit_ready_notify, NULL);
999 * Queues a message in send queue for sending to the service
1001 * @param client the client to whom the queued message has to be sent
1002 * @param msg the message to queue
1005 queue_message (struct GNUNET_SERVER_Client *client,
1006 struct GNUNET_MessageHeader *msg)
1008 struct MessageQueue *mq_entry;
1012 type = ntohs (msg->type);
1013 size = ntohs (msg->size);
1014 GNUNET_assert ((GNUNET_MESSAGE_TYPE_TESTBED_INIT <= type) &&
1015 (GNUNET_MESSAGE_TYPE_TESTBED_MAX > type));
1016 mq_entry = GNUNET_malloc (sizeof (struct MessageQueue));
1017 mq_entry->msg = msg;
1018 mq_entry->client = client;
1019 GNUNET_SERVER_client_keep (client);
1020 LOG_DEBUG ("Queueing message of type %u, size %u for sending\n", type,
1022 GNUNET_CONTAINER_DLL_insert_tail (mq_head, mq_tail, mq_entry);
1023 if (NULL == transmit_handle)
1025 GNUNET_SERVER_notify_transmit_ready (client, size,
1026 GNUNET_TIME_UNIT_FOREVER_REL,
1027 &transmit_ready_notify, NULL);
1032 * Similar to GNUNET_realloc; however clears tail part of newly allocated memory
1034 * @param ptr the memory block to realloc
1035 * @param size the size of ptr
1036 * @param new_size the size to which ptr has to be realloc'ed
1037 * @return the newly reallocated memory block
1040 TESTBED_realloc (void *ptr, size_t size, size_t new_size)
1042 ptr = GNUNET_realloc (ptr, new_size);
1043 if (new_size > size)
1044 (void) memset (ptr + size, 0, new_size - size);
1050 * Function to add a host to the current list of known hosts
1052 * @param host the host to add
1053 * @return GNUNET_OK on success; GNUNET_SYSERR on failure due to host-id
1057 host_list_add (struct GNUNET_TESTBED_Host *host)
1062 host_id = GNUNET_TESTBED_host_get_id_ (host);
1063 orig_size = host_list_size;
1064 if (host_list_size <= host_id)
1066 while (host_list_size <= host_id)
1067 host_list_size += LIST_GROW_STEP;
1069 TESTBED_realloc (host_list,
1070 sizeof (struct GNUNET_TESTBED_Host *) * orig_size,
1071 sizeof (struct GNUNET_TESTBED_Host *)
1074 if (NULL != host_list[host_id])
1076 LOG_DEBUG ("A host with id: %u already exists\n", host_id);
1077 return GNUNET_SYSERR;
1079 host_list[host_id] = host;
1085 * Adds a route to the route list
1087 * @param route the route to add
1090 route_list_add (struct Route *route)
1094 orig_size = route_list_size;
1095 if (route->dest >= route_list_size)
1097 while (route->dest >= route_list_size)
1098 route_list_size += LIST_GROW_STEP;
1100 TESTBED_realloc (route_list,
1101 sizeof (struct Route *) * orig_size,
1102 sizeof (struct Route *) * route_list_size);
1104 GNUNET_assert (NULL == route_list[route->dest]);
1105 route_list[route->dest] = route;
1110 * Adds a slave to the slave array
1112 * @param slave the slave controller to add
1115 slave_list_add (struct Slave *slave)
1119 orig_size = slave_list_size;
1120 if (slave->host_id >= slave_list_size)
1122 while (slave->host_id >= slave_list_size)
1123 slave_list_size += LIST_GROW_STEP;
1125 TESTBED_realloc (slave_list, sizeof (struct Slave *) * orig_size,
1126 sizeof (struct Slave *) * slave_list_size);
1128 GNUNET_assert (NULL == slave_list[slave->host_id]);
1129 slave_list[slave->host_id] = slave;
1134 * Adds a peer to the peer array
1136 * @param peer the peer to add
1139 peer_list_add (struct Peer *peer)
1143 orig_size = peer_list_size;
1144 if (peer->id >= peer_list_size)
1146 while (peer->id >= peer_list_size)
1147 peer_list_size += LIST_GROW_STEP;
1149 TESTBED_realloc (peer_list, sizeof (struct Peer *) * orig_size,
1150 sizeof (struct Peer *) * peer_list_size);
1152 GNUNET_assert (NULL == peer_list[peer->id]);
1153 peer_list[peer->id] = peer;
1158 * Removes a the give peer from the peer array
1160 * @param peer the peer to be removed
1163 peer_list_remove (struct Peer *peer)
1168 peer_list[peer->id] = NULL;
1169 orig_size = peer_list_size;
1170 while (peer_list_size >= LIST_GROW_STEP)
1172 for (id = peer_list_size - 1;
1173 (id >= peer_list_size - LIST_GROW_STEP) && (id != UINT32_MAX); id--)
1174 if (NULL != peer_list[id])
1176 if (id != ((peer_list_size - LIST_GROW_STEP) - 1))
1178 peer_list_size -= LIST_GROW_STEP;
1180 if (orig_size == peer_list_size)
1183 GNUNET_realloc (peer_list, sizeof (struct Peer *) * peer_list_size);
1188 * Finds the route with directly connected host as destination through which
1189 * the destination host can be reached
1191 * @param host_id the id of the destination host
1192 * @return the route with directly connected destination host; NULL if no route
1195 static struct Route *
1196 find_dest_route (uint32_t host_id)
1198 struct Route *route;
1200 if (route_list_size <= host_id)
1202 while (NULL != (route = route_list[host_id]))
1204 if (route->thru == master_context->host_id)
1206 host_id = route->thru;
1213 * Routes message to a host given its host_id
1215 * @param host_id the id of the destination host
1216 * @param msg the message to be routed
1219 route_message (uint32_t host_id, const struct GNUNET_MessageHeader *msg)
1226 * Send operation failure message to client
1228 * @param client the client to which the failure message has to be sent to
1229 * @param operation_id the id of the failed operation
1230 * @param emsg the error message; can be NULL
1233 send_operation_fail_msg (struct GNUNET_SERVER_Client *client,
1234 uint64_t operation_id, const char *emsg)
1236 struct GNUNET_TESTBED_OperationFailureEventMessage *msg;
1240 msize = sizeof (struct GNUNET_TESTBED_OperationFailureEventMessage);
1241 emsg_len = (NULL == emsg) ? 0 : strlen (emsg) + 1;
1243 msg = GNUNET_malloc (msize);
1244 msg->header.size = htons (msize);
1245 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_OPERATIONFAILEVENT);
1246 msg->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
1247 msg->operation_id = GNUNET_htonll (operation_id);
1249 memcpy (&msg[1], emsg, emsg_len);
1250 queue_message (client, &msg->header);
1255 * Function to send generic operation success message to given client
1257 * @param client the client to send the message to
1258 * @param operation_id the id of the operation which was successful
1261 send_operation_success_msg (struct GNUNET_SERVER_Client *client,
1262 uint64_t operation_id)
1264 struct GNUNET_TESTBED_GenericOperationSuccessEventMessage *msg;
1267 msize = sizeof (struct GNUNET_TESTBED_GenericOperationSuccessEventMessage);
1268 msg = GNUNET_malloc (msize);
1269 msg->header.size = htons (msize);
1270 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GENERICOPSUCCESS);
1271 msg->operation_id = GNUNET_htonll (operation_id);
1272 msg->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
1273 queue_message (client, &msg->header);
1278 * Callback which will be called to after a host registration succeeded or failed
1280 * @param cls the handle to the slave at which the registration is completed
1281 * @param emsg the error message; NULL if host registration is successful
1284 hr_completion (void *cls, const char *emsg);
1288 * Attempts to register the next host in the host registration queue
1290 * @param slave the slave controller whose host registration queue is checked
1291 * for host registrations
1294 register_next_host (struct Slave *slave)
1296 struct HostRegistration *hr;
1298 hr = slave->hr_dll_head;
1299 GNUNET_assert (NULL != hr);
1300 GNUNET_assert (NULL == slave->rhandle);
1301 LOG (GNUNET_ERROR_TYPE_DEBUG,
1302 "Registering host %u at %u\n",
1303 GNUNET_TESTBED_host_get_id_ (hr->host),
1304 GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
1305 slave->rhandle = GNUNET_TESTBED_register_host (slave->controller,
1313 * Callback which will be called to after a host registration succeeded or failed
1315 * @param cls the handle to the slave at which the registration is completed
1316 * @param emsg the error message; NULL if host registration is successful
1319 hr_completion (void *cls, const char *emsg)
1321 struct Slave *slave = cls;
1322 struct HostRegistration *hr;
1324 slave->rhandle = NULL;
1325 hr = slave->hr_dll_head;
1326 GNUNET_assert (NULL != hr);
1327 LOG (GNUNET_ERROR_TYPE_DEBUG,
1328 "Registering host %u at %u successful\n",
1329 GNUNET_TESTBED_host_get_id_ (hr->host),
1330 GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
1331 GNUNET_CONTAINER_DLL_remove (slave->hr_dll_head,
1335 hr->cb (hr->cb_cls, emsg);
1337 if (NULL != slave->hr_dll_head)
1338 register_next_host (slave);
1343 * Adds a host registration's request to a slave's registration queue
1345 * @param slave the slave controller at which the given host has to be
1347 * @param cb the host registration completion callback
1348 * @param cb_cls the closure for the host registration completion callback
1349 * @param host the host which has to be registered
1352 queue_host_registration (struct Slave *slave,
1353 GNUNET_TESTBED_HostRegistrationCompletion cb,
1355 struct GNUNET_TESTBED_Host *host)
1357 struct HostRegistration *hr;
1360 LOG (GNUNET_ERROR_TYPE_DEBUG,
1361 "Queueing host registration for host %u at %u\n",
1362 GNUNET_TESTBED_host_get_id_ (host),
1363 GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
1364 hr = GNUNET_malloc (sizeof (struct HostRegistration));
1366 hr->cb_cls = cb_cls;
1368 call_register = (NULL == slave->hr_dll_head) ? GNUNET_YES : GNUNET_NO;
1369 GNUNET_CONTAINER_DLL_insert_tail (slave->hr_dll_head,
1372 if (GNUNET_YES == call_register)
1373 register_next_host (slave);
1378 * The Link Controller forwarding task
1380 * @param cls the LCFContext
1381 * @param tc the Task context from scheduler
1384 lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1388 * Completion callback for host registrations while forwarding Link Controller messages
1390 * @param cls the LCFContext
1391 * @param emsg the error message; NULL if host registration is successful
1394 lcf_proc_cc (void *cls, const char *emsg)
1396 struct LCFContext *lcf = cls;
1398 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
1403 goto registration_error;
1404 lcf->state = DELEGATED_HOST_REGISTERED;
1405 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1407 case DELEGATED_HOST_REGISTERED:
1409 goto registration_error;
1410 lcf->state = SLAVE_HOST_REGISTERED;
1411 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1414 GNUNET_assert (0); /* Shouldn't reach here */
1419 LOG (GNUNET_ERROR_TYPE_WARNING, "Host registration failed with message: %s\n",
1421 lcf->state = FINISHED;
1422 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1427 * Callback to relay the reply msg of a forwarded operation back to the client
1429 * @param cls ForwardedOperationContext
1430 * @param msg the message to relay
1433 forwarded_operation_reply_relay (void *cls,
1434 const struct GNUNET_MessageHeader *msg)
1436 struct ForwardedOperationContext *fopc = cls;
1437 struct GNUNET_MessageHeader *dup_msg;
1440 msize = ntohs (msg->size);
1441 LOG_DEBUG ("Relaying message with type: %u, size: %u\n", ntohs (msg->type),
1443 dup_msg = GNUNET_copy_message (msg);
1444 queue_message (fopc->client, dup_msg);
1445 GNUNET_SERVER_client_drop (fopc->client);
1446 GNUNET_SCHEDULER_cancel (fopc->timeout_task);
1447 GNUNET_CONTAINER_DLL_remove (fopcq_head, fopcq_tail, fopc);
1453 * Task to free resources when forwarded operation has been timedout
1455 * @param cls the ForwardedOperationContext
1456 * @param tc the task context from scheduler
1459 forwarded_operation_timeout (void *cls,
1460 const struct GNUNET_SCHEDULER_TaskContext *tc)
1462 struct ForwardedOperationContext *fopc = cls;
1464 GNUNET_TESTBED_forward_operation_msg_cancel_ (fopc->opc);
1465 LOG (GNUNET_ERROR_TYPE_WARNING, "A forwarded operation has timed out\n");
1466 send_operation_fail_msg (fopc->client, fopc->operation_id, "Timeout");
1467 GNUNET_SERVER_client_drop (fopc->client);
1468 GNUNET_CONTAINER_DLL_remove (fopcq_head, fopcq_tail, fopc);
1474 * The Link Controller forwarding task
1476 * @param cls the LCFContext
1477 * @param tc the Task context from scheduler
1480 lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1484 * Callback to be called when forwarded link controllers operation is
1485 * successfull. We have to relay the reply msg back to the client
1487 * @param cls the LCFContext
1488 * @param msg the message to relay
1491 lcf_forwarded_operation_reply_relay (void *cls,
1492 const struct GNUNET_MessageHeader *msg)
1494 struct LCFContext *lcf = cls;
1496 GNUNET_assert (NULL != lcf->fopc);
1497 forwarded_operation_reply_relay (lcf->fopc, msg);
1499 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
1500 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1505 * Task to free resources when forwarded link controllers has been timedout
1507 * @param cls the LCFContext
1508 * @param tc the task context from scheduler
1511 lcf_forwarded_operation_timeout (void *cls,
1512 const struct GNUNET_SCHEDULER_TaskContext *tc)
1514 struct LCFContext *lcf = cls;
1516 GNUNET_assert (NULL != lcf->fopc);
1517 lcf->fopc->timeout_task = GNUNET_SCHEDULER_NO_TASK;
1518 forwarded_operation_timeout (lcf->fopc, tc);
1520 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
1521 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1526 * The Link Controller forwarding task
1528 * @param cls the LCFContext
1529 * @param tc the Task context from scheduler
1532 lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1534 struct LCFContext *lcf = cls;
1535 struct LCFContextQueue *lcfq;
1537 lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
1542 GNUNET_TESTBED_is_host_registered_ (host_list[lcf->delegated_host_id],
1543 lcf->gateway->controller))
1545 queue_host_registration (lcf->gateway,
1547 host_list[lcf->delegated_host_id]);
1551 lcf->state = DELEGATED_HOST_REGISTERED;
1552 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1555 case DELEGATED_HOST_REGISTERED:
1557 GNUNET_TESTBED_is_host_registered_ (host_list[lcf->slave_host_id],
1558 lcf->gateway->controller))
1560 queue_host_registration (lcf->gateway,
1562 host_list[lcf->slave_host_id]);
1566 lcf->state = SLAVE_HOST_REGISTERED;
1567 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1570 case SLAVE_HOST_REGISTERED:
1571 lcf->fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
1572 lcf->fopc->client = lcf->client;
1573 lcf->fopc->operation_id = lcf->operation_id;
1574 lcf->fopc->type = OP_LINK_CONTROLLERS;
1576 GNUNET_TESTBED_forward_operation_msg_ (lcf->gateway->controller,
1579 &lcf_forwarded_operation_reply_relay,
1581 lcf->fopc->timeout_task =
1582 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &lcf_forwarded_operation_timeout,
1584 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, lcf->fopc);
1585 lcf->state = FINISHED;
1589 GNUNET_assert (lcfq->lcf == lcf);
1590 GNUNET_free (lcf->msg);
1592 GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
1594 if (NULL != lcfq_head)
1596 GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcfq_head->lcf);
1602 * Cleans up ForwardedOverlayConnectContext
1604 * @param focc the ForwardedOverlayConnectContext to cleanup
1607 cleanup_focc (struct ForwardedOverlayConnectContext *focc)
1609 GNUNET_free_non_null (focc->orig_msg);
1615 * Processes a forwarded overlay connect context in the queue of the given RegisteredHostContext
1617 * @param rhc the RegisteredHostContext
1620 process_next_focc (struct RegisteredHostContext *rhc);
1624 * Timeout task for cancelling a forwarded overlay connect connect
1626 * @param cls the ForwardedOverlayConnectContext
1627 * @param tc the task context from the scheduler
1630 forwarded_overlay_connect_timeout (void *cls,
1631 const struct GNUNET_SCHEDULER_TaskContext
1634 struct ForwardedOperationContext *fopc = cls;
1635 struct RegisteredHostContext *rhc;
1636 struct ForwardedOverlayConnectContext *focc;
1639 focc = rhc->focc_dll_head;
1640 GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head, rhc->focc_dll_tail, focc);
1641 cleanup_focc (focc);
1642 LOG_DEBUG ("Overlay linking between peers %u and %u failed\n",
1643 focc->peer1, focc->peer2);
1644 forwarded_operation_timeout (cls, tc);
1645 if (NULL != rhc->focc_dll_head)
1646 process_next_focc (rhc);
1651 * Callback to be called when forwarded overlay connection operation has a reply
1652 * from the sub-controller successfull. We have to relay the reply msg back to
1655 * @param cls ForwardedOperationContext
1656 * @param msg the peer create success message
1659 forwarded_overlay_connect_listener (void *cls,
1660 const struct GNUNET_MessageHeader *msg)
1662 struct ForwardedOperationContext *fopc = cls;
1663 struct RegisteredHostContext *rhc;
1664 struct ForwardedOverlayConnectContext *focc;
1667 forwarded_operation_reply_relay (cls, msg);
1668 focc = rhc->focc_dll_head;
1669 GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head, rhc->focc_dll_tail, focc);
1670 cleanup_focc (focc);
1671 if (NULL != rhc->focc_dll_head)
1672 process_next_focc (rhc);
1677 * Processes a forwarded overlay connect context in the queue of the given RegisteredHostContext
1679 * @param rhc the RegisteredHostContext
1682 process_next_focc (struct RegisteredHostContext *rhc)
1684 struct ForwardedOperationContext *fopc;
1685 struct ForwardedOverlayConnectContext *focc;
1687 focc = rhc->focc_dll_head;
1688 GNUNET_assert (NULL != focc);
1689 GNUNET_assert (RHC_OL_CONNECT == rhc->state);
1690 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
1691 GNUNET_SERVER_client_keep (rhc->client);
1692 fopc->client = rhc->client;
1693 fopc->operation_id = focc->operation_id;
1695 fopc->type = OP_OVERLAY_CONNECT;
1697 GNUNET_TESTBED_forward_operation_msg_ (rhc->gateway->controller,
1698 focc->operation_id, focc->orig_msg,
1699 &forwarded_overlay_connect_listener,
1701 GNUNET_free (focc->orig_msg);
1702 focc->orig_msg = NULL;
1703 fopc->timeout_task =
1704 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_overlay_connect_timeout,
1706 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
1711 * Callback for event from slave controllers
1713 * @param cls struct Slave *
1714 * @param event information about the event
1717 slave_event_callback (void *cls,
1718 const struct GNUNET_TESTBED_EventInformation *event)
1720 struct RegisteredHostContext *rhc;
1721 struct GNUNET_CONFIGURATION_Handle *cfg;
1722 struct GNUNET_TESTBED_Operation *old_op;
1724 /* We currently only get here when working on RegisteredHostContexts */
1725 GNUNET_assert (GNUNET_TESTBED_ET_OPERATION_FINISHED == event->type);
1726 rhc = event->details.operation_finished.op_cls;
1727 GNUNET_assert (rhc->sub_op == event->details.operation_finished.operation);
1731 cfg = event->details.operation_finished.generic;
1732 old_op = rhc->sub_op;
1733 rhc->state = RHC_LINK;
1735 GNUNET_TESTBED_controller_link (rhc,
1736 rhc->gateway->controller,
1741 GNUNET_TESTBED_operation_done (old_op);
1744 LOG_DEBUG ("OL: Linking controllers successfull\n");
1745 GNUNET_TESTBED_operation_done (rhc->sub_op);
1747 rhc->state = RHC_OL_CONNECT;
1748 process_next_focc (rhc);
1757 * Callback to signal successfull startup of the controller process
1759 * @param cls the handle to the slave whose status is to be found here
1760 * @param cfg the configuration with which the controller has been started;
1761 * NULL if status is not GNUNET_OK
1762 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1763 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1766 slave_status_callback (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg,
1769 struct Slave *slave = cls;
1770 struct LinkControllersContext *lcc;
1773 if (GNUNET_SYSERR == status)
1775 slave->controller_proc = NULL;
1776 slave_list[slave->host_id] = NULL;
1777 if (NULL != slave->cfg)
1778 GNUNET_CONFIGURATION_destroy (slave->cfg);
1779 GNUNET_free (slave);
1781 LOG (GNUNET_ERROR_TYPE_WARNING, "Unexpected slave shutdown\n");
1782 GNUNET_SCHEDULER_shutdown (); /* We too shutdown */
1786 GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
1788 &slave_event_callback, slave);
1789 if (NULL != slave->controller)
1791 send_operation_success_msg (lcc->client, lcc->operation_id);
1792 slave->cfg = GNUNET_CONFIGURATION_dup (cfg);
1796 send_operation_fail_msg (lcc->client, lcc->operation_id,
1797 "Could not connect to delegated controller");
1798 GNUNET_TESTBED_controller_stop (slave->controller_proc);
1799 slave_list[slave->host_id] = NULL;
1800 GNUNET_free (slave);
1807 if (NULL != lcc->client)
1809 GNUNET_SERVER_receive_done (lcc->client, GNUNET_OK);
1810 GNUNET_SERVER_client_drop (lcc->client);
1821 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_INIT messages
1824 * @param client identification of the client
1825 * @param message the actual message
1828 handle_init (void *cls, struct GNUNET_SERVER_Client *client,
1829 const struct GNUNET_MessageHeader *message)
1831 const struct GNUNET_TESTBED_InitMessage *msg;
1832 struct GNUNET_TESTBED_Host *host;
1833 const char *controller_hostname;
1836 if (NULL != master_context)
1838 LOG_DEBUG ("We are being connected to laterally\n");
1839 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1842 msg = (const struct GNUNET_TESTBED_InitMessage *) message;
1843 msize = ntohs (message->size);
1844 if (msize <= sizeof (struct GNUNET_TESTBED_InitMessage))
1847 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
1850 msize -= sizeof (struct GNUNET_TESTBED_InitMessage);
1851 controller_hostname = (const char *) &msg[1];
1852 if ('\0' != controller_hostname[msize - 1])
1855 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
1858 master_context = GNUNET_malloc (sizeof (struct Context));
1859 GNUNET_SERVER_client_keep (client);
1860 master_context->client = client;
1861 master_context->host_id = ntohl (msg->host_id);
1862 master_context->master_ip = GNUNET_strdup (controller_hostname);
1863 LOG_DEBUG ("Our IP: %s\n", master_context->master_ip);
1864 master_context->system =
1865 GNUNET_TESTING_system_create ("testbed", master_context->master_ip, hostname);
1867 GNUNET_TESTBED_host_create_with_id (master_context->host_id,
1868 master_context->master_ip,
1871 host_list_add (host);
1872 LOG_DEBUG ("Created master context with host ID: %u\n",
1873 master_context->host_id);
1874 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1879 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
1882 * @param client identification of the client
1883 * @param message the actual message
1886 handle_add_host (void *cls, struct GNUNET_SERVER_Client *client,
1887 const struct GNUNET_MessageHeader *message)
1889 struct GNUNET_TESTBED_Host *host;
1890 const struct GNUNET_TESTBED_AddHostMessage *msg;
1891 struct GNUNET_TESTBED_HostConfirmedMessage *reply;
1896 uint16_t username_length;
1897 uint16_t hostname_length;
1898 uint16_t reply_size;
1901 msg = (const struct GNUNET_TESTBED_AddHostMessage *) message;
1902 msize = ntohs (msg->header.size);
1903 username = (char *) &msg[1];
1904 username_length = ntohs (msg->user_name_length);
1905 if (0 != username_length)
1907 /* msg must contain hostname */
1908 GNUNET_assert (msize > (sizeof (struct GNUNET_TESTBED_AddHostMessage) +
1909 username_length + 1));
1910 if (0 != username_length)
1911 GNUNET_assert ('\0' == username[username_length - 1]);
1912 hostname = username + username_length;
1914 msize - (sizeof (struct GNUNET_TESTBED_AddHostMessage) + username_length);
1915 GNUNET_assert ('\0' == hostname[hostname_length - 1]);
1916 GNUNET_assert (strlen (hostname) == hostname_length - 1);
1917 host_id = ntohl (msg->host_id);
1918 LOG_DEBUG ("Received ADDHOST %u message\n", host_id);
1919 LOG_DEBUG ("-------host id: %u\n", host_id);
1920 LOG_DEBUG ("-------hostname: %s\n", hostname);
1921 if (0 != username_length)
1922 LOG_DEBUG ("-------username: %s\n", username);
1925 LOG_DEBUG ("-------username: NULL\n");
1928 LOG_DEBUG ("-------ssh port: %u\n", ntohs (msg->ssh_port));
1930 GNUNET_TESTBED_host_create_with_id (host_id, hostname, username,
1931 ntohs (msg->ssh_port));
1932 GNUNET_assert (NULL != host);
1933 reply_size = sizeof (struct GNUNET_TESTBED_HostConfirmedMessage);
1934 if (GNUNET_OK != host_list_add (host))
1936 /* We are unable to add a host */
1937 emsg = "A host exists with given host-id";
1938 LOG_DEBUG ("%s: %u", emsg, host_id);
1939 GNUNET_TESTBED_host_destroy (host);
1940 reply_size += strlen (emsg) + 1;
1941 reply = GNUNET_malloc (reply_size);
1942 memcpy (&reply[1], emsg, strlen (emsg) + 1);
1946 LOG_DEBUG ("Added host %u at %u\n",
1947 host_id, master_context->host_id);
1948 reply = GNUNET_malloc (reply_size);
1950 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_ADDHOSTCONFIRM);
1951 reply->header.size = htons (reply_size);
1952 reply->host_id = htonl (host_id);
1953 queue_message (client, &reply->header);
1954 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1959 * Iterator over hash map entries.
1961 * @param cls closure
1962 * @param key current key code
1963 * @param value value in the hash map
1964 * @return GNUNET_YES if we should continue to
1969 ss_exists_iterator (void *cls, const struct GNUNET_HashCode *key, void *value)
1971 struct SharedService *queried_ss = cls;
1972 struct SharedService *ss = value;
1974 if (0 == strcmp (ss->name, queried_ss->name))
1982 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
1985 * @param client identification of the client
1986 * @param message the actual message
1989 handle_configure_shared_service (void *cls, struct GNUNET_SERVER_Client *client,
1990 const struct GNUNET_MessageHeader *message)
1992 const struct GNUNET_TESTBED_ConfigureSharedServiceMessage *msg;
1993 struct SharedService *ss;
1995 struct GNUNET_HashCode hash;
1997 uint16_t service_name_size;
1999 msg = (const struct GNUNET_TESTBED_ConfigureSharedServiceMessage *) message;
2000 msg_size = ntohs (message->size);
2001 if (msg_size <= sizeof (struct GNUNET_TESTBED_ConfigureSharedServiceMessage))
2004 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2008 msg_size - sizeof (struct GNUNET_TESTBED_ConfigureSharedServiceMessage);
2009 service_name = (char *) &msg[1];
2010 if ('\0' != service_name[service_name_size - 1])
2013 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2016 LOG_DEBUG ("Received service sharing request for %s, with %d peers\n",
2017 service_name, ntohl (msg->num_peers));
2018 if (ntohl (msg->host_id) != master_context->host_id)
2020 route_message (ntohl (msg->host_id), message);
2021 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2024 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2025 ss = GNUNET_malloc (sizeof (struct SharedService));
2026 ss->name = strdup (service_name);
2027 ss->num_shared = ntohl (msg->num_peers);
2028 GNUNET_CRYPTO_hash (ss->name, service_name_size, &hash);
2029 if (GNUNET_SYSERR ==
2030 GNUNET_CONTAINER_multihashmap_get_multiple (ss_map, &hash,
2031 &ss_exists_iterator, ss))
2033 LOG (GNUNET_ERROR_TYPE_WARNING,
2034 "Service %s already configured as a shared service. "
2035 "Ignoring service sharing request \n", ss->name);
2036 GNUNET_free (ss->name);
2040 GNUNET_CONTAINER_multihashmap_put (ss_map, &hash, ss,
2041 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
2046 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS message
2049 * @param client identification of the client
2050 * @param message the actual message
2053 handle_link_controllers (void *cls, struct GNUNET_SERVER_Client *client,
2054 const struct GNUNET_MessageHeader *message)
2056 const struct GNUNET_TESTBED_ControllerLinkMessage *msg;
2057 struct GNUNET_CONFIGURATION_Handle *cfg;
2058 struct LCFContextQueue *lcfq;
2059 struct Route *route;
2060 struct Route *new_route;
2064 uint32_t delegated_host_id;
2065 uint32_t slave_host_id;
2068 if (NULL == master_context)
2071 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2074 msize = ntohs (message->size);
2075 if (sizeof (struct GNUNET_TESTBED_ControllerLinkMessage) >= msize)
2078 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2081 msg = (const struct GNUNET_TESTBED_ControllerLinkMessage *) message;
2082 delegated_host_id = ntohl (msg->delegated_host_id);
2083 if (delegated_host_id == master_context->host_id)
2086 LOG (GNUNET_ERROR_TYPE_WARNING, "Trying to link ourselves\n");
2087 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2090 if ((delegated_host_id >= host_list_size) ||
2091 (NULL == host_list[delegated_host_id]))
2093 LOG (GNUNET_ERROR_TYPE_WARNING,
2094 "Delegated host %u not registered with us\n", delegated_host_id);
2095 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2098 slave_host_id = ntohl (msg->slave_host_id);
2099 if ((slave_host_id >= host_list_size) || (NULL == host_list[slave_host_id]))
2101 LOG (GNUNET_ERROR_TYPE_WARNING, "Slave host %u not registered with us\n",
2103 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2106 if (slave_host_id == delegated_host_id)
2108 LOG (GNUNET_ERROR_TYPE_WARNING, "Slave and delegated host are same\n");
2109 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2113 if (slave_host_id == master_context->host_id) /* Link from us */
2115 struct Slave *slave;
2116 struct LinkControllersContext *lcc;
2118 msize -= sizeof (struct GNUNET_TESTBED_ControllerLinkMessage);
2119 config_size = ntohs (msg->config_size);
2120 if ((delegated_host_id < slave_list_size) && (NULL != slave_list[delegated_host_id])) /* We have already added */
2122 LOG (GNUNET_ERROR_TYPE_WARNING, "Host %u already connected\n",
2124 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2127 config = GNUNET_malloc (config_size);
2128 dest_size = (uLongf) config_size;
2130 uncompress ((Bytef *) config, &dest_size, (const Bytef *) &msg[1],
2133 GNUNET_break (0); /* Compression error */
2134 GNUNET_free (config);
2135 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2138 if (config_size != dest_size)
2140 LOG (GNUNET_ERROR_TYPE_WARNING, "Uncompressed config size mismatch\n");
2141 GNUNET_free (config);
2142 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2145 cfg = GNUNET_CONFIGURATION_create (); /* Free here or in lcfcontext */
2147 GNUNET_CONFIGURATION_deserialize (cfg, config, config_size, GNUNET_NO))
2149 GNUNET_break (0); /* Configuration parsing error */
2150 GNUNET_free (config);
2151 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2154 GNUNET_free (config);
2155 if ((delegated_host_id < slave_list_size) &&
2156 (NULL != slave_list[delegated_host_id]))
2158 GNUNET_break (0); /* Configuration parsing error */
2159 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2162 slave = GNUNET_malloc (sizeof (struct Slave));
2163 slave->host_id = delegated_host_id;
2164 slave->reghost_map = GNUNET_CONTAINER_multihashmap_create (100, GNUNET_NO);
2165 slave_list_add (slave);
2166 if (1 != msg->is_subordinate)
2169 GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
2171 &slave_event_callback, slave);
2173 if (NULL != slave->controller)
2174 send_operation_success_msg (client, GNUNET_ntohll (msg->operation_id));
2176 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2177 "Could not connect to delegated controller");
2178 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2181 lcc = GNUNET_malloc (sizeof (struct LinkControllersContext));
2182 lcc->operation_id = GNUNET_ntohll (msg->operation_id);
2183 GNUNET_SERVER_client_keep (client);
2184 lcc->client = client;
2186 slave->controller_proc =
2187 GNUNET_TESTBED_controller_start (master_context->master_ip,
2188 host_list[slave->host_id], cfg,
2189 &slave_status_callback, slave);
2190 GNUNET_CONFIGURATION_destroy (cfg);
2191 new_route = GNUNET_malloc (sizeof (struct Route));
2192 new_route->dest = delegated_host_id;
2193 new_route->thru = master_context->host_id;
2194 route_list_add (new_route);
2198 /* Route the request */
2199 if (slave_host_id >= route_list_size)
2201 LOG (GNUNET_ERROR_TYPE_WARNING, "No route towards slave host");
2202 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2205 lcfq = GNUNET_malloc (sizeof (struct LCFContextQueue));
2206 lcfq->lcf = GNUNET_malloc (sizeof (struct LCFContext));
2207 lcfq->lcf->delegated_host_id = delegated_host_id;
2208 lcfq->lcf->slave_host_id = slave_host_id;
2209 route = find_dest_route (slave_host_id);
2210 GNUNET_assert (NULL != route); /* because we add routes carefully */
2211 GNUNET_assert (route->dest < slave_list_size);
2212 GNUNET_assert (NULL != slave_list[route->dest]);
2213 lcfq->lcf->state = INIT;
2214 lcfq->lcf->operation_id = GNUNET_ntohll (msg->operation_id);
2215 lcfq->lcf->gateway = slave_list[route->dest];
2216 lcfq->lcf->msg = GNUNET_malloc (msize);
2217 (void) memcpy (lcfq->lcf->msg, msg, msize);
2218 GNUNET_SERVER_client_keep (client);
2219 lcfq->lcf->client = client;
2220 if (NULL == lcfq_head)
2222 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
2223 GNUNET_CONTAINER_DLL_insert_tail (lcfq_head, lcfq_tail, lcfq);
2224 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcfq->lcf);
2227 GNUNET_CONTAINER_DLL_insert_tail (lcfq_head, lcfq_tail, lcfq);
2228 /* FIXME: Adding a new route should happen after the controllers are linked
2230 if (1 != msg->is_subordinate)
2232 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2235 if ((delegated_host_id < route_list_size)
2236 && (NULL != route_list[delegated_host_id]))
2238 GNUNET_break_op (0); /* Are you trying to link delegated host twice
2239 with is subordinate flag set to GNUNET_YES? */
2240 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2243 new_route = GNUNET_malloc (sizeof (struct Route));
2244 new_route->dest = delegated_host_id;
2245 new_route->thru = route->dest;
2246 route_list_add (new_route);
2247 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2252 * The task to be executed if the forwarded peer create operation has been
2255 * @param cls the FowardedOperationContext
2256 * @param tc the TaskContext from the scheduler
2259 peer_create_forward_timeout (void *cls,
2260 const struct GNUNET_SCHEDULER_TaskContext *tc)
2262 struct ForwardedOperationContext *fopc = cls;
2264 GNUNET_free (fopc->cls);
2265 forwarded_operation_timeout (fopc, tc);
2270 * Callback to be called when forwarded peer create operation is successfull. We
2271 * have to relay the reply msg back to the client
2273 * @param cls ForwardedOperationContext
2274 * @param msg the peer create success message
2277 peer_create_success_cb (void *cls, const struct GNUNET_MessageHeader *msg)
2279 struct ForwardedOperationContext *fopc = cls;
2280 struct Peer *remote_peer;
2282 if (ntohs (msg->type) == GNUNET_MESSAGE_TYPE_TESTBED_PEERCREATESUCCESS)
2284 GNUNET_assert (NULL != fopc->cls);
2285 remote_peer = fopc->cls;
2286 peer_list_add (remote_peer);
2288 forwarded_operation_reply_relay (fopc, msg);
2293 * Function to destroy a peer
2295 * @param peer the peer structure to destroy
2298 destroy_peer (struct Peer *peer)
2300 GNUNET_break (0 == peer->reference_cnt);
2301 if (GNUNET_YES == peer->is_remote)
2303 peer_list_remove (peer);
2307 if (GNUNET_YES == peer->details.local.is_running)
2309 GNUNET_TESTING_peer_stop (peer->details.local.peer);
2310 peer->details.local.is_running = GNUNET_NO;
2312 GNUNET_TESTING_peer_destroy (peer->details.local.peer);
2313 GNUNET_CONFIGURATION_destroy (peer->details.local.cfg);
2314 peer_list_remove (peer);
2320 * Callback to be called when forwarded peer destroy operation is successfull. We
2321 * have to relay the reply msg back to the client
2323 * @param cls ForwardedOperationContext
2324 * @param msg the peer create success message
2327 peer_destroy_success_cb (void *cls, const struct GNUNET_MessageHeader *msg)
2329 struct ForwardedOperationContext *fopc = cls;
2330 struct Peer *remote_peer;
2332 if (GNUNET_MESSAGE_TYPE_TESTBED_GENERICOPSUCCESS == ntohs (msg->type))
2334 remote_peer = fopc->cls;
2335 GNUNET_assert (NULL != remote_peer);
2336 remote_peer->destroy_flag = GNUNET_YES;
2337 if (0 == remote_peer->reference_cnt)
2338 destroy_peer (remote_peer);
2340 forwarded_operation_reply_relay (fopc, msg);
2346 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER messages
2349 * @param client identification of the client
2350 * @param message the actual message
2353 handle_peer_create (void *cls, struct GNUNET_SERVER_Client *client,
2354 const struct GNUNET_MessageHeader *message)
2356 const struct GNUNET_TESTBED_PeerCreateMessage *msg;
2357 struct GNUNET_TESTBED_PeerCreateSuccessEventMessage *reply;
2358 struct GNUNET_CONFIGURATION_Handle *cfg;
2359 struct ForwardedOperationContext *fo_ctxt;
2360 struct Route *route;
2365 uint32_t config_size;
2371 msize = ntohs (message->size);
2372 if (msize <= sizeof (struct GNUNET_TESTBED_PeerCreateMessage))
2374 GNUNET_break (0); /* We need configuration */
2375 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2378 msg = (const struct GNUNET_TESTBED_PeerCreateMessage *) message;
2379 host_id = ntohl (msg->host_id);
2380 peer_id = ntohl (msg->peer_id);
2381 if (UINT32_MAX == peer_id)
2383 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2384 "Cannot create peer with given ID");
2385 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2388 if (host_id == master_context->host_id)
2392 /* We are responsible for this peer */
2393 msize -= sizeof (struct GNUNET_TESTBED_PeerCreateMessage);
2394 config_size = ntohl (msg->config_size);
2395 config = GNUNET_malloc (config_size);
2396 dest_size = config_size;
2399 uncompress ((Bytef *) config, (uLongf *) & dest_size,
2400 (const Bytef *) &msg[1], (uLong) msize)))
2402 GNUNET_break (0); /* uncompression error */
2403 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2406 if (config_size != dest_size)
2408 GNUNET_break (0); /* Uncompressed config size mismatch */
2409 GNUNET_free (config);
2410 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2413 cfg = GNUNET_CONFIGURATION_create ();
2415 GNUNET_CONFIGURATION_deserialize (cfg, config, config_size, GNUNET_NO))
2417 GNUNET_break (0); /* Configuration parsing error */
2418 GNUNET_free (config);
2419 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2422 GNUNET_free (config);
2423 peer = GNUNET_malloc (sizeof (struct Peer));
2424 peer->is_remote = GNUNET_NO;
2425 peer->details.local.cfg = cfg;
2427 LOG_DEBUG ("Creating peer with id: %u\n", peer->id);
2428 peer->details.local.peer =
2429 GNUNET_TESTING_peer_configure (master_context->system,
2430 peer->details.local.cfg, peer->id,
2431 NULL /* Peer id */ ,
2433 if (NULL == peer->details.local.peer)
2435 LOG (GNUNET_ERROR_TYPE_WARNING, "Configuring peer failed: %s\n", emsg);
2439 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2442 peer->details.local.is_running = GNUNET_NO;
2443 peer_list_add (peer);
2445 GNUNET_malloc (sizeof
2446 (struct GNUNET_TESTBED_PeerCreateSuccessEventMessage));
2447 reply->header.size =
2448 htons (sizeof (struct GNUNET_TESTBED_PeerCreateSuccessEventMessage));
2449 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCREATESUCCESS);
2450 reply->peer_id = msg->peer_id;
2451 reply->operation_id = msg->operation_id;
2452 queue_message (client, &reply->header);
2453 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2457 /* Forward peer create request */
2458 route = find_dest_route (host_id);
2462 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2466 peer = GNUNET_malloc (sizeof (struct Peer));
2467 peer->is_remote = GNUNET_YES;
2469 peer->details.remote.slave = slave_list[route->dest];
2470 peer->details.remote.remote_host_id = host_id;
2471 fo_ctxt = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
2472 GNUNET_SERVER_client_keep (client);
2473 fo_ctxt->client = client;
2474 fo_ctxt->operation_id = GNUNET_ntohll (msg->operation_id);
2475 fo_ctxt->cls = peer; //slave_list[route->dest]->controller;
2476 fo_ctxt->type = OP_PEER_CREATE;
2478 GNUNET_TESTBED_forward_operation_msg_ (slave_list [route->dest]->controller,
2479 fo_ctxt->operation_id,
2481 peer_create_success_cb, fo_ctxt);
2482 fo_ctxt->timeout_task =
2483 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &peer_create_forward_timeout,
2485 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fo_ctxt);
2486 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2491 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
2494 * @param client identification of the client
2495 * @param message the actual message
2498 handle_peer_destroy (void *cls, struct GNUNET_SERVER_Client *client,
2499 const struct GNUNET_MessageHeader *message)
2501 const struct GNUNET_TESTBED_PeerDestroyMessage *msg;
2502 struct ForwardedOperationContext *fopc;
2506 msg = (const struct GNUNET_TESTBED_PeerDestroyMessage *) message;
2507 peer_id = ntohl (msg->peer_id);
2508 LOG_DEBUG ("Received peer destory on peer: %u and operation id: %ul\n",
2509 peer_id, GNUNET_ntohll (msg->operation_id));
2510 if ((peer_list_size <= peer_id) || (NULL == peer_list[peer_id]))
2512 LOG (GNUNET_ERROR_TYPE_ERROR,
2513 "Asked to destroy a non existent peer with id: %u\n", peer_id);
2514 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2515 "Peer doesn't exist");
2516 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2519 peer = peer_list[peer_id];
2520 if (GNUNET_YES == peer->is_remote)
2522 /* Forward the destory message to sub controller */
2523 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
2524 GNUNET_SERVER_client_keep (client);
2525 fopc->client = client;
2527 fopc->type = OP_PEER_DESTROY;
2528 fopc->operation_id = GNUNET_ntohll (msg->operation_id);
2530 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
2531 fopc->operation_id, &msg->header,
2532 &peer_destroy_success_cb,
2534 fopc->timeout_task =
2535 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
2537 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
2538 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2541 peer->destroy_flag = GNUNET_YES;
2542 if (0 == peer->reference_cnt)
2543 destroy_peer (peer);
2545 LOG (GNUNET_ERROR_TYPE_DEBUG,
2546 "Delaying peer destroy as peer is currently in use\n");
2547 send_operation_success_msg (client, GNUNET_ntohll (msg->operation_id));
2548 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2553 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
2556 * @param client identification of the client
2557 * @param message the actual message
2560 handle_peer_start (void *cls, struct GNUNET_SERVER_Client *client,
2561 const struct GNUNET_MessageHeader *message)
2563 const struct GNUNET_TESTBED_PeerStartMessage *msg;
2564 struct GNUNET_TESTBED_PeerEventMessage *reply;
2565 struct ForwardedOperationContext *fopc;
2569 msg = (const struct GNUNET_TESTBED_PeerStartMessage *) message;
2570 peer_id = ntohl (msg->peer_id);
2571 if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
2574 LOG (GNUNET_ERROR_TYPE_ERROR,
2575 "Asked to start a non existent peer with id: %u\n", peer_id);
2576 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2579 peer = peer_list[peer_id];
2580 if (GNUNET_YES == peer->is_remote)
2582 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
2583 GNUNET_SERVER_client_keep (client);
2584 fopc->client = client;
2585 fopc->operation_id = GNUNET_ntohll (msg->operation_id);
2586 fopc->type = OP_PEER_START;
2588 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
2589 fopc->operation_id, &msg->header,
2590 &forwarded_operation_reply_relay,
2592 fopc->timeout_task =
2593 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
2595 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
2596 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2599 if (GNUNET_OK != GNUNET_TESTING_peer_start (peer->details.local.peer))
2601 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2603 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2606 peer->details.local.is_running = GNUNET_YES;
2607 reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
2608 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEEREVENT);
2609 reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
2610 reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_START);
2611 reply->host_id = htonl (master_context->host_id);
2612 reply->peer_id = msg->peer_id;
2613 reply->operation_id = msg->operation_id;
2614 queue_message (client, &reply->header);
2615 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2620 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
2623 * @param client identification of the client
2624 * @param message the actual message
2627 handle_peer_stop (void *cls, struct GNUNET_SERVER_Client *client,
2628 const struct GNUNET_MessageHeader *message)
2630 const struct GNUNET_TESTBED_PeerStopMessage *msg;
2631 struct GNUNET_TESTBED_PeerEventMessage *reply;
2632 struct ForwardedOperationContext *fopc;
2636 msg = (const struct GNUNET_TESTBED_PeerStopMessage *) message;
2637 peer_id = ntohl (msg->peer_id);
2638 if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
2640 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2642 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2645 peer = peer_list[peer_id];
2646 if (GNUNET_YES == peer->is_remote)
2648 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
2649 GNUNET_SERVER_client_keep (client);
2650 fopc->client = client;
2651 fopc->operation_id = GNUNET_ntohll (msg->operation_id);
2652 fopc->type = OP_PEER_STOP;
2654 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
2655 fopc->operation_id, &msg->header,
2656 &forwarded_operation_reply_relay,
2658 fopc->timeout_task =
2659 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
2661 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
2662 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2665 if (GNUNET_OK != GNUNET_TESTING_peer_stop (peer->details.local.peer))
2667 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2668 "Peer not running");
2669 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2672 peer->details.local.is_running = GNUNET_NO;
2673 reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
2674 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEEREVENT);
2675 reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
2676 reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_STOP);
2677 reply->host_id = htonl (master_context->host_id);
2678 reply->peer_id = msg->peer_id;
2679 reply->operation_id = msg->operation_id;
2680 queue_message (client, &reply->header);
2681 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2686 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG messages
2689 * @param client identification of the client
2690 * @param message the actual message
2693 handle_peer_get_config (void *cls, struct GNUNET_SERVER_Client *client,
2694 const struct GNUNET_MessageHeader *message)
2696 const struct GNUNET_TESTBED_PeerGetConfigurationMessage *msg;
2697 struct GNUNET_TESTBED_PeerConfigurationInformationMessage *reply;
2706 msg = (const struct GNUNET_TESTBED_PeerGetConfigurationMessage *) message;
2707 peer_id = ntohl (msg->peer_id);
2708 if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
2710 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2712 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2715 peer = peer_list[peer_id];
2716 if (GNUNET_YES == peer->is_remote)
2718 struct ForwardedOperationContext *fopc;
2720 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
2721 GNUNET_SERVER_client_keep (client);
2722 fopc->client = client;
2723 fopc->operation_id = GNUNET_ntohll (msg->operation_id);
2724 fopc->type = OP_PEER_INFO;
2726 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
2727 fopc->operation_id, &msg->header,
2728 &forwarded_operation_reply_relay,
2730 fopc->timeout_task =
2731 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
2733 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
2734 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2738 GNUNET_CONFIGURATION_serialize (peer_list[peer_id]->details.local.cfg,
2740 xc_size = GNUNET_TESTBED_compress_config_ (config, c_size, &xconfig);
2741 GNUNET_free (config);
2744 sizeof (struct GNUNET_TESTBED_PeerConfigurationInformationMessage);
2745 reply = GNUNET_realloc (xconfig, msize);
2746 (void) memmove (&reply[1], reply, xc_size);
2747 reply->header.size = htons (msize);
2748 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG);
2749 reply->peer_id = msg->peer_id;
2750 reply->operation_id = msg->operation_id;
2751 GNUNET_TESTING_peer_get_identity (peer_list[peer_id]->details.local.peer,
2752 &reply->peer_identity);
2753 reply->config_size = htons ((uint16_t) c_size);
2754 queue_message (client, &reply->header);
2755 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2760 * Cleanup overlay connect context structure
2762 * @param occ the overlay connect context
2765 cleanup_occ (struct OverlayConnectContext *occ)
2767 LOG_DEBUG ("Cleaning up occ\n");
2768 GNUNET_free_non_null (occ->emsg);
2769 GNUNET_free_non_null (occ->hello);
2770 GNUNET_SERVER_client_drop (occ->client);
2771 if (NULL != occ->opc)
2772 GNUNET_TESTBED_forward_operation_msg_cancel_ (occ->opc);
2773 if (GNUNET_SCHEDULER_NO_TASK != occ->send_hello_task)
2774 GNUNET_SCHEDULER_cancel (occ->send_hello_task);
2775 if (GNUNET_SCHEDULER_NO_TASK != occ->cleanup_task)
2776 GNUNET_SCHEDULER_cancel (occ->cleanup_task);
2777 if (GNUNET_SCHEDULER_NO_TASK != occ->timeout_task)
2778 GNUNET_SCHEDULER_cancel (occ->timeout_task);
2779 if (NULL != occ->ch)
2781 GNUNET_CORE_disconnect (occ->ch);
2782 occ->peer->reference_cnt--;
2784 if (NULL != occ->ghh)
2785 GNUNET_TRANSPORT_get_hello_cancel (occ->ghh);
2786 if (NULL != occ->ohh)
2787 GNUNET_TRANSPORT_offer_hello_cancel (occ->ohh);
2788 if (GNUNET_SCHEDULER_NO_TASK != occ->tcc.task)
2789 GNUNET_SCHEDULER_cancel (occ->tcc.task);
2790 if (NULL != occ->tcc.tch)
2791 GNUNET_TRANSPORT_try_connect_cancel (occ->tcc.tch);
2792 if (NULL != occ->p1th)
2794 GNUNET_TRANSPORT_disconnect (occ->p1th);
2795 occ->peer->reference_cnt--;
2797 if (NULL != occ->tcc.th)
2799 GNUNET_TRANSPORT_disconnect (occ->tcc.th);
2800 peer_list[occ->other_peer_id]->reference_cnt--;
2802 if ((GNUNET_YES == occ->peer->destroy_flag)
2803 && (0 == occ->peer->reference_cnt))
2804 destroy_peer (occ->peer);
2805 if ((NULL == occ->peer2_controller)
2806 && (GNUNET_YES == peer_list[occ->other_peer_id]->destroy_flag)
2807 && (0 == peer_list[occ->other_peer_id]->reference_cnt))
2808 destroy_peer (peer_list[occ->other_peer_id]);
2809 GNUNET_CONTAINER_DLL_remove (occq_head, occq_tail, occ);
2815 * Task for cleaing up overlay connect context structure
2817 * @param cls the overlay connect context
2818 * @param tc the task context
2821 do_cleanup_occ (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
2823 struct OverlayConnectContext *occ = cls;
2825 occ->cleanup_task = GNUNET_SCHEDULER_NO_TASK;
2831 * Task which will be run when overlay connect request has been timed out
2833 * @param cls the OverlayConnectContext
2834 * @param tc the TaskContext
2837 timeout_overlay_connect (void *cls,
2838 const struct GNUNET_SCHEDULER_TaskContext *tc)
2840 struct OverlayConnectContext *occ = cls;
2842 occ->timeout_task = GNUNET_SCHEDULER_NO_TASK;
2843 LOG (GNUNET_ERROR_TYPE_WARNING,
2844 "Timeout while connecting peers %u and %u\n",
2845 occ->peer_id, occ->other_peer_id);
2846 send_operation_fail_msg (occ->client, occ->op_id, occ->emsg);
2853 * Function called to notify transport users that another
2854 * peer connected to us.
2856 * @param cls closure
2857 * @param new_peer the peer that connected
2858 * @param ats performance data
2859 * @param ats_count number of entries in ats (excluding 0-termination)
2862 overlay_connect_notify (void *cls, const struct GNUNET_PeerIdentity *new_peer,
2863 const struct GNUNET_ATS_Information *ats,
2864 unsigned int ats_count)
2866 struct OverlayConnectContext *occ = cls;
2867 struct GNUNET_TESTBED_ConnectionEventMessage *msg;
2869 char *other_peer_str;
2871 LOG_DEBUG ("Overlay connect notify\n");
2873 memcmp (new_peer, &occ->peer_identity,
2874 sizeof (struct GNUNET_PeerIdentity)))
2876 new_peer_str = GNUNET_strdup (GNUNET_i2s (new_peer));
2877 other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
2879 memcmp (new_peer, &occ->other_peer_identity,
2880 sizeof (struct GNUNET_PeerIdentity)))
2882 LOG_DEBUG ("Unexpected peer %4s connected when expecting peer %4s\n",
2883 new_peer_str, other_peer_str);
2884 GNUNET_free (new_peer_str);
2885 GNUNET_free (other_peer_str);
2888 GNUNET_free (new_peer_str);
2889 LOG_DEBUG ("Peer %4s connected to peer %4s\n", other_peer_str,
2890 GNUNET_i2s (&occ->peer_identity));
2891 GNUNET_free (other_peer_str);
2892 if (GNUNET_SCHEDULER_NO_TASK != occ->send_hello_task)
2894 GNUNET_SCHEDULER_cancel (occ->send_hello_task);
2895 occ->send_hello_task = GNUNET_SCHEDULER_NO_TASK;
2897 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK != occ->timeout_task);
2898 GNUNET_SCHEDULER_cancel (occ->timeout_task);
2899 occ->timeout_task = GNUNET_SCHEDULER_NO_TASK;
2900 GNUNET_free_non_null (occ->emsg);
2902 if (NULL != occ->tcc.th)
2904 GNUNET_TRANSPORT_disconnect (occ->tcc.th);
2906 peer_list[occ->other_peer_id]->reference_cnt--;
2908 LOG_DEBUG ("Peers connected - Sending overlay connect success\n");
2909 msg = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_ConnectionEventMessage));
2911 htons (sizeof (struct GNUNET_TESTBED_ConnectionEventMessage));
2912 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONEVENT);
2913 msg->event_type = htonl (GNUNET_TESTBED_ET_CONNECT);
2914 msg->peer1 = htonl (occ->peer_id);
2915 msg->peer2 = htonl (occ->other_peer_id);
2916 msg->operation_id = GNUNET_htonll (occ->op_id);
2917 queue_message (occ->client, &msg->header);
2918 occ->cleanup_task = GNUNET_SCHEDULER_add_now (&do_cleanup_occ, occ);
2919 //cleanup_occ (occ);
2924 * Task to ask transport of a peer to connect to another peer
2926 * @param cls the TryConnectContext
2927 * @param tc the scheduler task context
2930 try_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
2934 * Callback to be called with result of the try connect request.
2936 * @param cls the overlay connect context
2937 * @param result GNUNET_OK if message was transmitted to transport service
2938 * GNUNET_SYSERR if message was not transmitted to transport service
2941 try_connect_cb (void *cls, const int result)
2943 struct TryConnectContext *tcc = cls;
2946 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == tcc->task);
2947 tcc->task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
2948 (GNUNET_TIME_UNIT_MILLISECONDS,
2949 pow (10, ++tcc->retries)),
2950 &try_connect_task, tcc);
2955 * Task to ask transport of a peer to connect to another peer
2957 * @param cls the TryConnectContext
2958 * @param tc the scheduler task context
2961 try_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
2963 struct TryConnectContext *tcc = cls;
2965 tcc->task = GNUNET_SCHEDULER_NO_TASK;
2966 if (0 != (GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason))
2968 GNUNET_assert (NULL == tcc->tch);
2969 GNUNET_assert (NULL != tcc->pid);
2970 GNUNET_assert (NULL != tcc->th);
2971 tcc->tch = GNUNET_TRANSPORT_try_connect (tcc->th, tcc->pid, &try_connect_cb, tcc);
2976 * Task to offer HELLO of peer 1 to peer 2 and try to make peer 2 to connect to
2979 * @param cls the OverlayConnectContext
2980 * @param tc the TaskContext from scheduler
2983 send_hello (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
2987 * Task that is run when hello has been sent
2989 * @param cls the overlay connect context
2990 * @param tc the scheduler task context; if tc->reason =
2991 * GNUNET_SCHEDULER_REASON_TIMEOUT then sending HELLO failed; if
2992 * GNUNET_SCHEDULER_REASON_READ_READY is succeeded
2995 occ_hello_sent_cb (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
2997 struct OverlayConnectContext *occ = cls;
3000 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == occ->send_hello_task);
3001 if (GNUNET_SCHEDULER_REASON_TIMEOUT == tc->reason)
3003 GNUNET_free_non_null (occ->emsg);
3004 occ->emsg = GNUNET_strdup ("Timeout while offering HELLO to other peer");
3005 occ->send_hello_task = GNUNET_SCHEDULER_add_now (&send_hello, occ);
3008 if (GNUNET_SCHEDULER_REASON_READ_READY != tc->reason)
3010 GNUNET_free_non_null (occ->emsg);
3011 occ->emsg = GNUNET_strdup ("Timeout while try connect\n");
3012 occ->tcc.pid = &occ->peer_identity;
3013 occ->tcc.task = GNUNET_SCHEDULER_add_now (&try_connect_task, &occ->tcc);
3018 * Task to offer HELLO of peer 1 to peer 2 and try to make peer 2 to connect to
3021 * @param cls the OverlayConnectContext
3022 * @param tc the TaskContext from scheduler
3025 send_hello (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3027 struct OverlayConnectContext *occ = cls;
3028 char *other_peer_str;
3030 occ->send_hello_task = GNUNET_SCHEDULER_NO_TASK;
3031 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
3033 GNUNET_assert (NULL != occ->hello);
3034 other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
3035 if (NULL != occ->peer2_controller)
3037 struct GNUNET_TESTBED_RequestConnectMessage *msg;
3039 uint16_t hello_size;
3041 LOG_DEBUG ("Offering HELLO of %s to %s via Remote Overlay Request\n",
3042 GNUNET_i2s (&occ->peer_identity), other_peer_str);
3043 hello_size = ntohs (occ->hello->size);
3044 msize = sizeof (struct GNUNET_TESTBED_RequestConnectMessage) + hello_size;
3045 msg = GNUNET_malloc (msize);
3046 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT);
3047 msg->header.size = htons (msize);
3048 msg->peer = htonl (occ->other_peer_id);
3049 msg->operation_id = GNUNET_htonll (occ->op_id);
3050 (void) memcpy (&msg->peer_identity, &occ->peer_identity,
3051 sizeof (struct GNUNET_PeerIdentity));
3052 memcpy (msg->hello, occ->hello, hello_size);
3053 GNUNET_TESTBED_queue_message_ (occ->peer2_controller, &msg->header);
3057 LOG_DEBUG ("Offering HELLO of %s to %s\n",
3058 GNUNET_i2s (&occ->peer_identity), other_peer_str);
3059 occ->ohh = GNUNET_TRANSPORT_offer_hello (occ->tcc.th,
3063 if (NULL == occ->ohh)
3066 occ->send_hello_task =
3067 GNUNET_SCHEDULER_add_delayed
3068 (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
3069 100 + GNUNET_CRYPTO_random_u32
3070 (GNUNET_CRYPTO_QUALITY_WEAK, 500)),
3074 GNUNET_free (other_peer_str);
3078 * Test for checking whether HELLO message is empty
3080 * @param cls empty flag to set
3081 * @param address the HELLO
3082 * @param expiration expiration of the HELLO
3086 test_address (void *cls, const struct GNUNET_HELLO_Address *address,
3087 struct GNUNET_TIME_Absolute expiration)
3097 * Function called whenever there is an update to the HELLO of peers in the
3098 * OverlayConnectClosure. If we have a valid HELLO, we connect to the peer 2's
3099 * transport and offer peer 1's HELLO and ask peer 2 to connect to peer 1
3101 * @param cls closure
3102 * @param hello our updated HELLO
3105 hello_update_cb (void *cls, const struct GNUNET_MessageHeader *hello)
3107 struct OverlayConnectContext *occ = cls;
3111 msize = ntohs (hello->size);
3113 (void) GNUNET_HELLO_iterate_addresses ((const struct GNUNET_HELLO_Message *)
3114 hello, GNUNET_NO, &test_address,
3116 if (GNUNET_YES == empty)
3118 LOG_DEBUG ("HELLO of %s is empty\n", GNUNET_i2s (&occ->peer_identity));
3121 LOG_DEBUG ("Received HELLO of %s\n", GNUNET_i2s (&occ->peer_identity));
3122 occ->hello = GNUNET_malloc (msize);
3123 memcpy (occ->hello, hello, msize);
3124 GNUNET_TRANSPORT_get_hello_cancel (occ->ghh);
3126 GNUNET_TRANSPORT_disconnect (occ->p1th);
3128 occ->peer->reference_cnt--;
3129 GNUNET_free_non_null (occ->emsg);
3130 if (NULL == occ->peer2_controller)
3132 peer_list[occ->other_peer_id]->reference_cnt++;
3134 GNUNET_TRANSPORT_connect (peer_list[occ->other_peer_id]->details.local.cfg,
3135 &occ->other_peer_identity, NULL, NULL, NULL,
3137 if (NULL == occ->tcc.th)
3139 GNUNET_asprintf (&occ->emsg, "Cannot connect to TRANSPORT of %s\n",
3140 GNUNET_i2s (&occ->other_peer_identity));
3141 GNUNET_SCHEDULER_cancel (occ->timeout_task);
3142 occ->timeout_task = GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3146 occ->emsg = GNUNET_strdup ("Timeout while offering HELLO to other peer");
3147 occ->send_hello_task = GNUNET_SCHEDULER_add_now (&send_hello, occ);
3152 * Function called after GNUNET_CORE_connect has succeeded (or failed
3153 * for good). Note that the private key of the peer is intentionally
3154 * not exposed here; if you need it, your process should try to read
3155 * the private key file directly (which should work if you are
3158 * @param cls closure
3159 * @param server handle to the server, NULL if we failed
3160 * @param my_identity ID of this peer, NULL if we failed
3163 core_startup_cb (void *cls, struct GNUNET_CORE_Handle *server,
3164 const struct GNUNET_PeerIdentity *my_identity)
3166 struct OverlayConnectContext *occ = cls;
3168 GNUNET_free_non_null (occ->emsg);
3169 occ->emsg = GNUNET_strdup ("Failed to connect to CORE\n");
3170 if ((NULL == server) || (NULL == my_identity))
3172 GNUNET_free (occ->emsg);
3175 memcpy (&occ->peer_identity, my_identity,
3176 sizeof (struct GNUNET_PeerIdentity));
3177 occ->peer->reference_cnt++;
3179 GNUNET_TRANSPORT_connect (occ->peer->details.local.cfg,
3180 &occ->peer_identity, NULL, NULL, NULL, NULL);
3181 if (NULL == occ->p1th)
3183 GNUNET_asprintf (&occ->emsg, "Cannot connect to TRANSPORT of peers %4s",
3184 GNUNET_i2s (&occ->peer_identity));
3187 LOG_DEBUG ("Acquiring HELLO of peer %s\n", GNUNET_i2s (&occ->peer_identity));
3188 occ->emsg = GNUNET_strdup ("Timeout while acquiring HELLO message");
3189 occ->ghh = GNUNET_TRANSPORT_get_hello (occ->p1th, &hello_update_cb, occ);
3193 GNUNET_SCHEDULER_cancel (occ->timeout_task);
3194 occ->timeout_task = GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3200 * Callback to be called when forwarded get peer config operation as part of
3201 * overlay connect is successfull. Connection to Peer 1's core is made and is
3202 * checked for new connection from peer 2
3204 * @param cls ForwardedOperationContext
3205 * @param msg the peer create success message
3208 overlay_connect_get_config (void *cls, const struct GNUNET_MessageHeader *msg)
3210 struct OverlayConnectContext *occ = cls;
3211 const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *cmsg;
3212 const struct GNUNET_CORE_MessageHandler no_handlers[] = {
3217 if (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG != ntohs (msg->type))
3219 cmsg = (const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *)
3221 memcpy (&occ->other_peer_identity, &cmsg->peer_identity,
3222 sizeof (struct GNUNET_PeerIdentity));
3223 GNUNET_free_non_null (occ->emsg);
3224 occ->emsg = GNUNET_strdup ("Timeout while connecting to CORE");
3225 occ->peer->reference_cnt++;
3227 GNUNET_CORE_connect (occ->peer->details.local.cfg, occ, &core_startup_cb,
3228 &overlay_connect_notify, NULL, NULL, GNUNET_NO, NULL,
3229 GNUNET_NO, no_handlers);
3230 if (NULL == occ->ch)
3235 GNUNET_SCHEDULER_cancel (occ->timeout_task);
3237 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3242 * Callback which will be called to after a host registration succeeded or failed
3244 * @param cls the RegisteredHostContext
3245 * @param emsg the error message; NULL if host registration is successful
3248 registeredhost_registration_completion (void *cls, const char *emsg)
3250 struct RegisteredHostContext *rhc = cls;
3251 struct GNUNET_CONFIGURATION_Handle *cfg;
3252 uint32_t peer2_host_id;
3254 /* if (NULL != rhc->focc_dll_head) */
3255 /* process_next_focc (rhc); */
3256 peer2_host_id = GNUNET_TESTBED_host_get_id_ (rhc->reg_host);
3257 GNUNET_assert (RHC_INIT == rhc->state);
3258 GNUNET_assert (NULL == rhc->sub_op);
3259 if ((NULL == rhc->gateway2)
3260 || ((peer2_host_id < slave_list_size) /* Check if we have the needed config */
3261 && (NULL != slave_list[peer2_host_id])))
3263 rhc->state = RHC_LINK;
3264 cfg = (NULL == rhc->gateway2) ? our_config : slave_list[peer2_host_id]->cfg;
3266 GNUNET_TESTBED_controller_link (rhc,
3267 rhc->gateway->controller,
3274 rhc->state = RHC_GET_CFG;
3275 rhc->sub_op = GNUNET_TESTBED_get_slave_config (rhc,
3276 rhc->gateway2->controller,
3282 * Iterator to match a registered host context
3284 * @param cls pointer 2 pointer of RegisteredHostContext
3285 * @param key current key code
3286 * @param value value in the hash map
3287 * @return GNUNET_YES if we should continue to
3292 reghost_match_iterator (void *cls,
3293 const struct GNUNET_HashCode * key,
3296 struct RegisteredHostContext **rh = cls;
3297 struct RegisteredHostContext *rh_val = value;
3299 if ((rh_val->host == (*rh)->host) && (rh_val->reg_host == (*rh)->reg_host))
3310 * Function to generate the hashcode corresponding to a RegisteredHostContext
3312 * @param reg_host the host which is being registered in RegisteredHostContext
3313 * @param host the host of the controller which has to connect to the above rhost
3314 * @return the hashcode
3316 static struct GNUNET_HashCode
3317 hash_hosts (struct GNUNET_TESTBED_Host *reg_host,
3318 struct GNUNET_TESTBED_Host *host)
3320 struct GNUNET_HashCode hash;
3321 uint32_t host_ids[2];
3323 host_ids[0] = GNUNET_TESTBED_host_get_id_ (reg_host);
3324 host_ids[1] = GNUNET_TESTBED_host_get_id_ (host);
3325 GNUNET_CRYPTO_hash (host_ids, sizeof (host_ids), &hash);
3331 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT messages
3334 * @param client identification of the client
3335 * @param message the actual message
3338 handle_overlay_connect (void *cls, struct GNUNET_SERVER_Client *client,
3339 const struct GNUNET_MessageHeader *message)
3341 const struct GNUNET_TESTBED_OverlayConnectMessage *msg;
3342 const struct GNUNET_CORE_MessageHandler no_handlers[] = {
3346 struct OverlayConnectContext *occ;
3347 struct GNUNET_TESTBED_Controller *peer2_controller;
3348 uint64_t operation_id;
3351 uint32_t peer2_host_id;
3353 msg = (const struct GNUNET_TESTBED_OverlayConnectMessage *) message;
3354 p1 = ntohl (msg->peer1);
3355 p2 = ntohl (msg->peer2);
3356 peer2_host_id = ntohl (msg->peer2_host_id);
3357 GNUNET_assert (p1 < peer_list_size);
3358 GNUNET_assert (NULL != peer_list[p1]);
3359 peer = peer_list[p1];
3360 operation_id = GNUNET_ntohll (msg->operation_id);
3361 LOG_DEBUG ("Received overlay connect for peers %u and %u with op id: 0x%lx\n",
3362 p1, p2, operation_id);
3363 if (GNUNET_YES == peer->is_remote)
3365 struct ForwardedOperationContext *fopc;
3366 struct Route *route_to_peer2_host;
3367 struct Route *route_to_peer1_host;
3369 LOG_DEBUG ("Forwarding overlay connect\n");
3370 route_to_peer2_host = NULL;
3371 route_to_peer1_host = NULL;
3372 route_to_peer2_host = find_dest_route (peer2_host_id);
3373 if ((NULL != route_to_peer2_host)
3374 || (peer2_host_id == master_context->host_id))
3376 /* Peer 2 either below us OR with us */
3377 route_to_peer1_host =
3378 find_dest_route (peer_list[p1]->details.remote.remote_host_id);
3379 /* Because we get this message only if we know where peer 1 is */
3380 GNUNET_assert (NULL != route_to_peer1_host);
3381 if ((peer2_host_id == master_context->host_id)
3382 || (route_to_peer2_host->dest != route_to_peer1_host->dest))
3384 /* Peer2 is either with us OR peer1 and peer2 can be reached through
3385 different gateways */
3386 struct GNUNET_HashCode hash;
3387 struct RegisteredHostContext *rhc;
3390 rhc = GNUNET_malloc (sizeof (struct RegisteredHostContext));
3391 if (NULL != route_to_peer2_host)
3392 rhc->reg_host = host_list[route_to_peer2_host->dest];
3394 rhc->reg_host = host_list[master_context->host_id];
3395 rhc->host = host_list[route_to_peer1_host->dest];
3396 GNUNET_assert (NULL != rhc->reg_host);
3397 GNUNET_assert (NULL != rhc->host);
3398 rhc->gateway = peer->details.remote.slave;
3399 rhc->gateway2 = (NULL == route_to_peer2_host) ? NULL :
3400 slave_list[route_to_peer2_host->dest];
3401 rhc->state = RHC_INIT;
3402 GNUNET_SERVER_client_keep (client);
3403 rhc->client = client;
3404 hash = hash_hosts (rhc->reg_host, rhc->host);
3405 skip_focc = GNUNET_NO;
3407 GNUNET_CONTAINER_multihashmap_contains
3408 (peer->details.remote.slave->reghost_map, &hash))
3409 || (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple
3410 (peer->details.remote.slave->reghost_map, &hash,
3411 reghost_match_iterator, &rhc)))
3413 /* create and add a new registerd host context */
3414 /* add the focc to its queue */
3415 GNUNET_CONTAINER_multihashmap_put
3416 (peer->details.remote.slave->reghost_map,
3417 &hash, rhc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
3418 GNUNET_assert (NULL != host_list[peer2_host_id]);
3419 queue_host_registration (peer->details.remote.slave,
3420 registeredhost_registration_completion, rhc,
3421 host_list[peer2_host_id]);
3424 /* rhc is now set to the existing one from the hash map by
3425 reghost_match_iterator() */
3426 /* if queue is empty then ignore creating focc and proceed with
3427 normal forwarding */
3428 if (RHC_OL_CONNECT == rhc->state)
3429 skip_focc = GNUNET_YES;
3431 if (GNUNET_NO == skip_focc)
3433 struct ForwardedOverlayConnectContext *focc;
3435 focc = GNUNET_malloc (sizeof (struct ForwardedOverlayConnectContext));
3438 focc->peer2_host_id = peer2_host_id;
3439 focc->orig_msg = GNUNET_copy_message (message);
3440 focc->operation_id = operation_id;
3441 GNUNET_CONTAINER_DLL_insert_tail (rhc->focc_dll_head,
3444 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3449 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
3450 GNUNET_SERVER_client_keep (client);
3451 fopc->client = client;
3452 fopc->operation_id = operation_id;
3453 fopc->type = OP_OVERLAY_CONNECT;
3455 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
3456 operation_id, message,
3457 &forwarded_operation_reply_relay,
3459 fopc->timeout_task =
3460 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
3462 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
3463 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3467 peer2_controller = NULL;
3468 if ((p2 >= peer_list_size) || (NULL == peer_list[p2]))
3470 if ((peer2_host_id >= slave_list_size)
3471 || (NULL ==slave_list[peer2_host_id]))
3473 LOG (GNUNET_ERROR_TYPE_WARNING,
3474 "Configuration of peer2's controller missing for connecting peers"
3475 "%u and %u\n", p1, p2);
3476 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3479 peer2_controller = slave_list[peer2_host_id]->controller;
3480 if (NULL == peer2_controller)
3482 GNUNET_break (0); /* What's going on? */
3483 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3489 if (GNUNET_YES == peer_list[p2]->is_remote)
3490 peer2_controller = peer_list[p2]->details.remote.slave->controller;
3492 occ = GNUNET_malloc (sizeof (struct OverlayConnectContext));
3493 GNUNET_CONTAINER_DLL_insert_tail (occq_head, occq_tail, occ);
3494 GNUNET_SERVER_client_keep (client);
3495 occ->client = client;
3497 occ->other_peer_id = p2;
3498 occ->peer = peer_list[p1];
3499 occ->op_id = GNUNET_ntohll (msg->operation_id);
3500 occ->peer2_controller = peer2_controller;
3501 /* Get the identity of the second peer */
3502 if (NULL != occ->peer2_controller)
3504 struct GNUNET_TESTBED_PeerGetConfigurationMessage cmsg;
3507 htons (sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage));
3508 cmsg.header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG);
3509 cmsg.peer_id = msg->peer2;
3510 cmsg.operation_id = msg->operation_id;
3512 GNUNET_TESTBED_forward_operation_msg_ (occ->peer2_controller,
3513 occ->op_id, &cmsg.header,
3514 &overlay_connect_get_config,
3517 GNUNET_strdup ("Timeout while getting peer identity of peer B\n");
3519 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
3520 (GNUNET_TIME_UNIT_SECONDS, 30),
3521 &timeout_overlay_connect, occ);
3522 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3525 GNUNET_TESTING_peer_get_identity (peer_list[occ->other_peer_id]->details.local.peer,
3526 &occ->other_peer_identity);
3527 /* Connect to the core of 1st peer and wait for the 2nd peer to connect */
3528 occ->emsg = GNUNET_strdup ("Timeout while connecting to CORE");
3529 occ->peer->reference_cnt++;
3531 GNUNET_CORE_connect (occ->peer->details.local.cfg, occ, &core_startup_cb,
3532 &overlay_connect_notify, NULL, NULL, GNUNET_NO, NULL,
3533 GNUNET_NO, no_handlers);
3534 if (NULL == occ->ch)
3536 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3539 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
3540 (GNUNET_TIME_UNIT_SECONDS, 30),
3541 &timeout_overlay_connect, occ);
3542 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3547 * Function to cleanup RequestOverlayConnectContext and any associated tasks
3550 * @param rocc the RequestOverlayConnectContext
3553 cleanup_rocc (struct RequestOverlayConnectContext *rocc)
3555 LOG_DEBUG ("Cleaning up rocc\n");
3556 if (GNUNET_SCHEDULER_NO_TASK != rocc->attempt_connect_task_id)
3557 GNUNET_SCHEDULER_cancel (rocc->attempt_connect_task_id);
3558 if (GNUNET_SCHEDULER_NO_TASK != rocc->timeout_rocc_task_id)
3559 GNUNET_SCHEDULER_cancel (rocc->timeout_rocc_task_id);
3560 if (NULL != rocc->tch)
3561 GNUNET_TRANSPORT_try_connect_cancel (rocc->tch);
3562 if (NULL != rocc->ohh)
3563 GNUNET_TRANSPORT_offer_hello_cancel (rocc->ohh);
3564 GNUNET_TRANSPORT_disconnect (rocc->th);
3565 rocc->peer->reference_cnt--;
3566 if ((GNUNET_YES == rocc->peer->destroy_flag)
3567 && (0 == rocc->peer->reference_cnt))
3568 destroy_peer (rocc->peer);
3569 GNUNET_free_non_null (rocc->hello);
3570 GNUNET_CONTAINER_DLL_remove (roccq_head, roccq_tail, rocc);
3576 * Task to timeout rocc and cleanit up
3578 * @param cls the RequestOverlayConnectContext
3579 * @param tc the TaskContext from scheduler
3582 timeout_rocc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3584 struct RequestOverlayConnectContext *rocc = cls;
3586 rocc->timeout_rocc_task_id = GNUNET_SCHEDULER_NO_TASK;
3587 cleanup_rocc (rocc);
3592 * Function called to notify transport users that another
3593 * peer connected to us.
3595 * @param cls closure
3596 * @param new_peer the peer that connected
3597 * @param ats performance data
3598 * @param ats_count number of entries in ats (excluding 0-termination)
3601 transport_connect_notify (void *cls, const struct GNUNET_PeerIdentity *new_peer,
3602 const struct GNUNET_ATS_Information * ats,
3605 struct RequestOverlayConnectContext *rocc = cls;
3607 LOG_DEBUG ("Request Overlay connect notify\n");
3608 if (0 != memcmp (new_peer, &rocc->a_id, sizeof (struct GNUNET_PeerIdentity)))
3610 LOG_DEBUG ("Peer %4s connected\n", GNUNET_i2s (&rocc->a_id));
3611 cleanup_rocc (rocc);
3616 * Callback to be called with result of the try connect request.
3618 * @param cls the overlay connect context
3619 * @param result GNUNET_OK if message was transmitted to transport service
3620 * GNUNET_SYSERR if message was not transmitted to transport service
3623 rocc_try_connect_cb (void *cls, const int result)
3625 struct RequestOverlayConnectContext *rocc = cls;
3628 rocc->tch = GNUNET_TRANSPORT_try_connect (rocc->th, &rocc->a_id,
3629 &rocc_try_connect_cb, rocc);
3634 * Task to offer the HELLO message to the peer and ask it to connect to the peer
3635 * whose identity is in RequestOverlayConnectContext
3637 * @param cls the RequestOverlayConnectContext
3638 * @param tc the TaskContext from scheduler
3641 attempt_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
3645 * Task that is run when hello has been sent
3647 * @param cls the overlay connect context
3648 * @param tc the scheduler task context; if tc->reason =
3649 * GNUNET_SCHEDULER_REASON_TIMEOUT then sending HELLO failed; if
3650 * GNUNET_SCHEDULER_REASON_READ_READY is succeeded
3653 rocc_hello_sent_cb (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3655 struct RequestOverlayConnectContext *rocc = cls;
3658 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == rocc->attempt_connect_task_id);
3659 if (GNUNET_SCHEDULER_REASON_TIMEOUT == tc->reason)
3660 goto schedule_attempt_connect;
3661 if (GNUNET_SCHEDULER_REASON_READ_READY != tc->reason)
3663 rocc->tch = GNUNET_TRANSPORT_try_connect (rocc->th, &rocc->a_id,
3664 &rocc_try_connect_cb, rocc);
3665 if (NULL != rocc->tch)
3669 schedule_attempt_connect:
3670 rocc->attempt_connect_task_id =
3671 GNUNET_SCHEDULER_add_now (&attempt_connect_task,
3677 * Task to offer the HELLO message to the peer and ask it to connect to the peer
3678 * whose identity is in RequestOverlayConnectContext
3680 * @param cls the RequestOverlayConnectContext
3681 * @param tc the TaskContext from scheduler
3684 attempt_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3686 struct RequestOverlayConnectContext *rocc = cls;
3688 rocc->attempt_connect_task_id = GNUNET_SCHEDULER_NO_TASK;
3689 rocc->ohh = GNUNET_TRANSPORT_offer_hello (rocc->th, rocc->hello,
3690 rocc_hello_sent_cb, rocc);
3691 if (NULL == rocc->ohh)
3692 rocc->attempt_connect_task_id =
3693 GNUNET_SCHEDULER_add_delayed
3694 (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
3695 100 + GNUNET_CRYPTO_random_u32
3696 (GNUNET_CRYPTO_QUALITY_WEAK, 500)),
3697 &attempt_connect_task, rocc);
3702 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT messages
3705 * @param client identification of the client
3706 * @param message the actual message
3709 handle_overlay_request_connect (void *cls, struct GNUNET_SERVER_Client *client,
3710 const struct GNUNET_MessageHeader *message)
3712 const struct GNUNET_TESTBED_RequestConnectMessage *msg;
3713 struct RequestOverlayConnectContext *rocc;
3719 msize = ntohs (message->size);
3720 if (sizeof (struct GNUNET_TESTBED_RequestConnectMessage) >= msize)
3723 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3726 msg = (const struct GNUNET_TESTBED_RequestConnectMessage *) message;
3727 if ((NULL == msg->hello) ||
3728 (GNUNET_MESSAGE_TYPE_HELLO != ntohs (msg->hello->type)))
3731 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3734 hsize = ntohs (msg->hello->size);
3735 if ((sizeof (struct GNUNET_TESTBED_RequestConnectMessage) + hsize) != msize)
3738 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3741 peer_id = ntohl (msg->peer);
3742 if ((peer_id >= peer_list_size) || (NULL == (peer = peer_list[peer_id])))
3744 GNUNET_break_op (0);
3745 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3748 if (GNUNET_YES == peer->is_remote)
3750 struct GNUNET_MessageHeader *msg2;
3752 msg2 = GNUNET_copy_message (message);
3753 GNUNET_TESTBED_queue_message_ (peer->details.remote.slave->controller, msg2);
3754 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3757 rocc = GNUNET_malloc (sizeof (struct RequestOverlayConnectContext));
3758 GNUNET_CONTAINER_DLL_insert_tail (roccq_head, roccq_tail, rocc);
3760 rocc->peer->reference_cnt++;
3761 rocc->th = GNUNET_TRANSPORT_connect (rocc->peer->details.local.cfg, NULL, rocc,
3762 NULL, &transport_connect_notify, NULL);
3763 if (NULL == rocc->th)
3767 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3770 memcpy (&rocc->a_id, &msg->peer_identity,
3771 sizeof (struct GNUNET_PeerIdentity));
3772 rocc->hello = GNUNET_malloc (hsize);
3773 memcpy (rocc->hello, msg->hello, hsize);
3774 rocc->attempt_connect_task_id =
3775 GNUNET_SCHEDULER_add_now (&attempt_connect_task, rocc);
3776 rocc->timeout_rocc_task_id =
3777 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_rocc_task, rocc);
3778 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3783 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG messages
3786 * @param client identification of the client
3787 * @param message the actual message
3790 handle_slave_get_config (void *cls, struct GNUNET_SERVER_Client *client,
3791 const struct GNUNET_MessageHeader *message)
3793 struct GNUNET_TESTBED_SlaveGetConfigurationMessage *msg;
3794 struct Slave *slave;
3795 struct GNUNET_TESTBED_SlaveConfiguration *reply;
3799 size_t xconfig_size;
3804 msg = (struct GNUNET_TESTBED_SlaveGetConfigurationMessage *) message;
3805 slave_id = ntohl (msg->slave_id);
3806 op_id = GNUNET_ntohll (msg->operation_id);
3807 if ((slave_list_size <= slave_id) || (NULL == slave_list[slave_id]))
3809 /* FIXME: Add forwardings for this type of message here.. */
3810 send_operation_fail_msg (client, op_id, "Slave not found");
3811 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3814 slave = slave_list[slave_id];
3815 if (NULL == slave->cfg)
3817 send_operation_fail_msg (client, op_id,
3818 "Configuration not found (slave not started by me)");
3819 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3822 config = GNUNET_CONFIGURATION_serialize (slave->cfg, &config_size);
3823 xconfig_size = GNUNET_TESTBED_compress_config_ (config, config_size,
3825 GNUNET_free (config);
3826 reply_size = xconfig_size + sizeof (struct GNUNET_TESTBED_SlaveConfiguration);
3827 GNUNET_break (reply_size <= UINT16_MAX);
3828 GNUNET_break (config_size <= UINT16_MAX);
3829 reply = GNUNET_realloc (xconfig, reply_size);
3830 (void) memmove (&reply[1], reply, xconfig_size);
3831 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_SLAVECONFIG);
3832 reply->header.size = htons ((uint16_t) reply_size);
3833 reply->slave_id = msg->slave_id;
3834 reply->operation_id = msg->operation_id;
3835 reply->config_size = htons ((uint16_t) config_size);
3836 queue_message (client, &reply->header);
3837 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3842 * Iterator over hash map entries.
3844 * @param cls closure
3845 * @param key current key code
3846 * @param value value in the hash map
3847 * @return GNUNET_YES if we should continue to
3852 ss_map_free_iterator (void *cls, const struct GNUNET_HashCode *key, void *value)
3854 struct SharedService *ss = value;
3856 GNUNET_assert (GNUNET_YES ==
3857 GNUNET_CONTAINER_multihashmap_remove (ss_map, key, value));
3858 GNUNET_free (ss->name);
3865 * Iterator for freeing hash map entries in a slave's reghost_map
3867 * @param cls handle to the slave
3868 * @param key current key code
3869 * @param value value in the hash map
3870 * @return GNUNET_YES if we should continue to
3875 reghost_free_iterator (void *cls,
3876 const struct GNUNET_HashCode * key,
3879 struct Slave *slave = cls;
3880 struct RegisteredHostContext *rhc = value;
3881 struct ForwardedOverlayConnectContext *focc;
3883 GNUNET_assert (GNUNET_YES ==
3884 GNUNET_CONTAINER_multihashmap_remove (slave->reghost_map,
3886 while (NULL != (focc = rhc->focc_dll_head))
3888 GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head,
3891 cleanup_focc (focc);
3893 if (NULL != rhc->sub_op)
3894 GNUNET_TESTBED_operation_done (rhc->sub_op);
3895 if (NULL != rhc->client)
3896 GNUNET_SERVER_client_drop (rhc->client);
3897 GNUNET_free (value);
3903 * Task to clean up and shutdown nicely
3906 * @param tc the TaskContext from scheduler
3909 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3911 struct LCFContextQueue *lcfq;
3912 struct OverlayConnectContext *occ;
3913 struct RequestOverlayConnectContext *rocc;
3914 struct ForwardedOperationContext *fopc;
3915 struct MessageQueue *mq_entry;
3918 shutdown_task_id = GNUNET_SCHEDULER_NO_TASK;
3919 LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down testbed service\n");
3920 (void) GNUNET_CONTAINER_multihashmap_iterate (ss_map, &ss_map_free_iterator,
3922 GNUNET_CONTAINER_multihashmap_destroy (ss_map);
3923 /* cleanup any remaining forwarded operations */
3924 while (NULL != (fopc = fopcq_head))
3926 GNUNET_CONTAINER_DLL_remove (fopcq_head, fopcq_tail, fopc);
3927 GNUNET_TESTBED_forward_operation_msg_cancel_ (fopc->opc);
3928 if (GNUNET_SCHEDULER_NO_TASK != fopc->timeout_task)
3929 GNUNET_SCHEDULER_cancel (fopc->timeout_task);
3930 GNUNET_SERVER_client_drop (fopc->client);
3933 case OP_PEER_CREATE:
3934 GNUNET_free (fopc->cls);
3938 case OP_PEER_DESTROY:
3940 case OP_OVERLAY_CONNECT:
3941 case OP_LINK_CONTROLLERS:
3942 case OP_GET_SLAVE_CONFIG:
3949 if (NULL != lcfq_head)
3951 if (GNUNET_SCHEDULER_NO_TASK != lcf_proc_task_id)
3953 GNUNET_SCHEDULER_cancel (lcf_proc_task_id);
3954 lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
3957 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
3958 for (lcfq = lcfq_head; NULL != lcfq; lcfq = lcfq_head)
3960 GNUNET_free (lcfq->lcf->msg);
3961 GNUNET_free (lcfq->lcf);
3962 GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
3965 while (NULL != (occ = occq_head))
3967 while (NULL != (rocc = roccq_head))
3968 cleanup_rocc (rocc);
3969 /* Clear peer list */
3970 for (id = 0; id < peer_list_size; id++)
3971 if (NULL != peer_list[id])
3973 /* If destroy flag is set it means that this peer should have been
3974 destroyed by a context which we destroy before */
3975 GNUNET_break (GNUNET_NO == peer_list[id]->destroy_flag);
3976 /* counter should be zero as we free all contexts before */
3977 GNUNET_break (0 == peer_list[id]->reference_cnt);
3978 if (GNUNET_NO == peer_list[id]->is_remote)
3980 if (GNUNET_YES == peer_list[id]->details.local.is_running)
3981 GNUNET_TESTING_peer_stop (peer_list[id]->details.local.peer);
3982 GNUNET_TESTING_peer_destroy (peer_list[id]->details.local.peer);
3983 GNUNET_CONFIGURATION_destroy (peer_list[id]->details.local.cfg);
3985 GNUNET_free (peer_list[id]);
3987 GNUNET_free_non_null (peer_list);
3988 /* Clear host list */
3989 for (id = 0; id < host_list_size; id++)
3990 if (NULL != host_list[id])
3991 GNUNET_TESTBED_host_destroy (host_list[id]);
3992 GNUNET_free_non_null (host_list);
3993 /* Clear route list */
3994 for (id = 0; id < route_list_size; id++)
3995 if (NULL != route_list[id])
3996 GNUNET_free (route_list[id]);
3997 GNUNET_free_non_null (route_list);
3998 /* Clear slave_list */
3999 for (id = 0; id < slave_list_size; id++)
4000 if (NULL != slave_list[id])
4002 struct HostRegistration *hr_entry;
4004 while (NULL != (hr_entry = slave_list[id]->hr_dll_head))
4006 GNUNET_CONTAINER_DLL_remove (slave_list[id]->hr_dll_head,
4007 slave_list[id]->hr_dll_tail,
4009 GNUNET_free (hr_entry);
4011 if (NULL != slave_list[id]->rhandle)
4012 GNUNET_TESTBED_cancel_registration (slave_list[id]->rhandle);
4013 (void) GNUNET_CONTAINER_multihashmap_iterate (slave_list[id]->reghost_map,
4014 reghost_free_iterator,
4016 GNUNET_CONTAINER_multihashmap_destroy (slave_list[id]->reghost_map);
4017 if (NULL != slave_list[id]->cfg)
4018 GNUNET_CONFIGURATION_destroy (slave_list[id]->cfg);
4019 if (NULL != slave_list[id]->controller)
4020 GNUNET_TESTBED_controller_disconnect (slave_list[id]->controller);
4021 if (NULL != slave_list[id]->controller_proc)
4022 GNUNET_TESTBED_controller_stop (slave_list[id]->controller_proc);
4023 GNUNET_free (slave_list[id]);
4025 GNUNET_free_non_null (slave_list);
4026 if (NULL != master_context)
4028 GNUNET_free_non_null (master_context->master_ip);
4029 if (NULL != master_context->system)
4030 GNUNET_TESTING_system_destroy (master_context->system, GNUNET_YES);
4031 GNUNET_SERVER_client_drop (master_context->client);
4032 GNUNET_free (master_context);
4033 master_context = NULL;
4035 if (NULL != transmit_handle)
4036 GNUNET_SERVER_notify_transmit_ready_cancel (transmit_handle);
4037 while (NULL != (mq_entry = mq_head))
4039 GNUNET_free (mq_entry->msg);
4040 GNUNET_SERVER_client_drop (mq_entry->client);
4041 GNUNET_CONTAINER_DLL_remove (mq_head, mq_tail, mq_entry);
4042 GNUNET_free (mq_entry);
4044 GNUNET_free_non_null (hostname);
4045 GNUNET_CONFIGURATION_destroy (our_config);
4050 * Callback for client disconnect
4053 * @param client the client which has disconnected
4056 client_disconnect_cb (void *cls, struct GNUNET_SERVER_Client *client)
4058 if (NULL == master_context)
4060 if (client == master_context->client)
4062 LOG (GNUNET_ERROR_TYPE_DEBUG, "Master client disconnected\n");
4063 /* should not be needed as we're terminated by failure to read
4064 * from stdin, but if stdin fails for some reason, this shouldn't
4065 * hurt for now --- might need to revise this later if we ever
4066 * decide that master connections might be temporarily down
4067 * for some reason */
4068 //GNUNET_SCHEDULER_shutdown ();
4076 * @param cls closure
4077 * @param server the initialized server
4078 * @param cfg configuration to use
4081 testbed_run (void *cls, struct GNUNET_SERVER_Handle *server,
4082 const struct GNUNET_CONFIGURATION_Handle *cfg)
4084 static const struct GNUNET_SERVER_MessageHandler message_handlers[] = {
4085 {&handle_init, NULL, GNUNET_MESSAGE_TYPE_TESTBED_INIT, 0},
4086 {&handle_add_host, NULL, GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST, 0},
4087 {&handle_configure_shared_service, NULL,
4088 GNUNET_MESSAGE_TYPE_TESTBED_SERVICESHARE, 0},
4089 {&handle_link_controllers, NULL,
4090 GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS, 0},
4091 {&handle_peer_create, NULL, GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER, 0},
4092 {&handle_peer_destroy, NULL, GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER,
4093 sizeof (struct GNUNET_TESTBED_PeerDestroyMessage)},
4094 {&handle_peer_start, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STARTPEER,
4095 sizeof (struct GNUNET_TESTBED_PeerStartMessage)},
4096 {&handle_peer_stop, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STOPPEER,
4097 sizeof (struct GNUNET_TESTBED_PeerStopMessage)},
4098 {&handle_peer_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG,
4099 sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage)},
4100 {&handle_overlay_connect, NULL, GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT,
4101 sizeof (struct GNUNET_TESTBED_OverlayConnectMessage)},
4102 {&handle_overlay_request_connect, NULL, GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT,
4104 {handle_slave_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG,
4105 sizeof (struct GNUNET_TESTBED_SlaveGetConfigurationMessage)},
4109 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string
4110 (cfg, "testbed", "HOSTNAME", &hostname));
4111 our_config = GNUNET_CONFIGURATION_dup (cfg);
4112 GNUNET_SERVER_add_handlers (server, message_handlers);
4113 GNUNET_SERVER_disconnect_notify (server, &client_disconnect_cb, NULL);
4114 ss_map = GNUNET_CONTAINER_multihashmap_create (5, GNUNET_NO);
4116 GNUNET_SCHEDULER_add_delayed_with_priority (GNUNET_TIME_UNIT_FOREVER_REL,
4117 GNUNET_SCHEDULER_PRIORITY_IDLE,
4118 &shutdown_task, NULL);
4119 LOG_DEBUG ("Testbed startup complete\n");
4120 event_mask = 1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED;
4125 * The starting point of execution
4128 main (int argc, char *const *argv)
4130 //sleep (15); /* Debugging */
4131 return (GNUNET_OK ==
4132 GNUNET_SERVICE_run (argc, argv, "testbed", GNUNET_SERVICE_OPTION_NONE,
4133 &testbed_run, NULL)) ? 0 : 1;
4136 /* end of gnunet-service-testbed.c */