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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11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
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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,
18 Boston, MA 02111-1307, USA.
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 peer handle of peer B
670 struct GNUNET_MessageHeader *hello;
673 * The handle for offering HELLO
675 struct GNUNET_TRANSPORT_OfferHelloHandle *ohh;
678 * The transport try connect context
680 struct TryConnectContext tcc;
683 * The peer identity of peer A
685 struct GNUNET_PeerIdentity a_id;
688 * Task for offering HELLO of A to B and doing try_connect
690 GNUNET_SCHEDULER_TaskIdentifier attempt_connect_task_id;
693 * Task to timeout RequestOverlayConnect
695 GNUNET_SCHEDULER_TaskIdentifier timeout_rocc_task_id;
701 * Context information for operations forwarded to subcontrollers
703 struct ForwardedOperationContext
706 * The next pointer for DLL
708 struct ForwardedOperationContext *next;
711 * The prev pointer for DLL
713 struct ForwardedOperationContext *prev;
716 * The generated operation context
718 struct OperationContext *opc;
721 * The client to which we have to reply
723 struct GNUNET_SERVER_Client *client;
731 * Task ID for the timeout task
733 GNUNET_SCHEDULER_TaskIdentifier timeout_task;
736 * The id of the operation that has been forwarded
738 uint64_t operation_id;
741 * The type of the operation which is forwarded
743 enum OperationType type;
749 * Context information used while linking controllers
751 struct LinkControllersContext
754 * The client which initiated the link controller operation
756 struct GNUNET_SERVER_Client *client;
759 * The ID of the operation
761 uint64_t operation_id;
767 * Context information to used during operations which forward the overlay
770 struct ForwardedOverlayConnectContext
773 * next ForwardedOverlayConnectContext in the DLL
775 struct ForwardedOverlayConnectContext *next;
778 * previous ForwardedOverlayConnectContext in the DLL
780 struct ForwardedOverlayConnectContext *prev;
783 * A copy of the original overlay connect message
785 struct GNUNET_MessageHeader *orig_msg;
788 * The id of the operation which created this context information
790 uint64_t operation_id;
803 * Id of the host where peer2 is running
805 uint32_t peer2_host_id;
811 * The master context; generated with the first INIT message
813 static struct Context *master_context;
816 * Our hostname; we give this to all the peers we start
818 static char *hostname;
828 static struct GNUNET_CONFIGURATION_Handle *our_config;
831 * Current Transmit Handle; NULL if no notify transmit exists currently
833 static struct GNUNET_SERVER_TransmitHandle *transmit_handle;
840 * The head for the LCF queue
842 static struct LCFContextQueue *lcfq_head;
845 * The tail for the LCF queue
847 static struct LCFContextQueue *lcfq_tail;
850 * The message queue head
852 static struct MessageQueue *mq_head;
855 * The message queue tail
857 static struct MessageQueue *mq_tail;
860 * DLL head for OverlayConnectContext DLL - to be used to clean up during shutdown
862 static struct OverlayConnectContext *occq_head;
865 * DLL tail for OverlayConnectContext DLL
867 static struct OverlayConnectContext *occq_tail;
870 * DLL head for RequectOverlayConnectContext DLL - to be used to clean up during
873 static struct RequestOverlayConnectContext *roccq_head;
876 * DLL tail for RequectOverlayConnectContext DLL
878 static struct RequestOverlayConnectContext *roccq_tail;
881 * DLL head for forwarded operation contexts
883 static struct ForwardedOperationContext *fopcq_head;
886 * DLL tail for forwarded operation contexts
888 static struct ForwardedOperationContext *fopcq_tail;
893 static struct GNUNET_TESTBED_Host **host_list;
898 static struct Route **route_list;
901 * A list of directly linked neighbours
903 static struct Slave **slave_list;
906 * A list of peers we know about
908 static struct Peer **peer_list;
911 * The hashmap of shared services
913 static struct GNUNET_CONTAINER_MultiHashMap *ss_map;
916 * The event mask for the events we listen from sub-controllers
918 static uint64_t event_mask;
921 * The size of the host list
923 static uint32_t host_list_size;
926 * The size of the route list
928 static uint32_t route_list_size;
931 * The size of directly linked neighbours list
933 static uint32_t slave_list_size;
936 * The size of the peer list
938 static uint32_t peer_list_size;
945 * The lcf_task handle
947 static GNUNET_SCHEDULER_TaskIdentifier lcf_proc_task_id;
950 * The shutdown task handle
952 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task_id;
956 * Function called to notify a client about the connection begin ready to queue
957 * more data. "buf" will be NULL and "size" zero if the connection was closed
958 * for writing in the meantime.
961 * @param size number of bytes available in buf
962 * @param buf where the callee should write the message
963 * @return number of bytes written to buf
966 transmit_ready_notify (void *cls, size_t size, void *buf)
968 struct MessageQueue *mq_entry;
970 transmit_handle = NULL;
972 GNUNET_assert (NULL != mq_entry);
975 GNUNET_assert (ntohs (mq_entry->msg->size) <= size);
976 size = ntohs (mq_entry->msg->size);
977 memcpy (buf, mq_entry->msg, size);
978 GNUNET_free (mq_entry->msg);
979 GNUNET_SERVER_client_drop (mq_entry->client);
980 GNUNET_CONTAINER_DLL_remove (mq_head, mq_tail, mq_entry);
981 GNUNET_free (mq_entry);
983 if (NULL != mq_entry)
985 GNUNET_SERVER_notify_transmit_ready (mq_entry->client,
986 ntohs (mq_entry->msg->size),
987 GNUNET_TIME_UNIT_FOREVER_REL,
988 &transmit_ready_notify, NULL);
994 * Queues a message in send queue for sending to the service
996 * @param client the client to whom the queued message has to be sent
997 * @param msg the message to queue
1000 queue_message (struct GNUNET_SERVER_Client *client,
1001 struct GNUNET_MessageHeader *msg)
1003 struct MessageQueue *mq_entry;
1007 type = ntohs (msg->type);
1008 size = ntohs (msg->size);
1009 GNUNET_assert ((GNUNET_MESSAGE_TYPE_TESTBED_INIT <= type) &&
1010 (GNUNET_MESSAGE_TYPE_TESTBED_MAX > type));
1011 mq_entry = GNUNET_malloc (sizeof (struct MessageQueue));
1012 mq_entry->msg = msg;
1013 mq_entry->client = client;
1014 GNUNET_SERVER_client_keep (client);
1015 LOG_DEBUG ("Queueing message of type %u, size %u for sending\n", type,
1017 GNUNET_CONTAINER_DLL_insert_tail (mq_head, mq_tail, mq_entry);
1018 if (NULL == transmit_handle)
1020 GNUNET_SERVER_notify_transmit_ready (client, size,
1021 GNUNET_TIME_UNIT_FOREVER_REL,
1022 &transmit_ready_notify, NULL);
1027 * Similar to GNUNET_realloc; however clears tail part of newly allocated memory
1029 * @param ptr the memory block to realloc
1030 * @param size the size of ptr
1031 * @param new_size the size to which ptr has to be realloc'ed
1032 * @return the newly reallocated memory block
1035 TESTBED_realloc (void *ptr, size_t size, size_t new_size)
1037 ptr = GNUNET_realloc (ptr, new_size);
1038 if (new_size > size)
1039 (void) memset (ptr + size, 0, new_size - size);
1045 * Function to add a host to the current list of known hosts
1047 * @param host the host to add
1048 * @return GNUNET_OK on success; GNUNET_SYSERR on failure due to host-id
1052 host_list_add (struct GNUNET_TESTBED_Host *host)
1057 host_id = GNUNET_TESTBED_host_get_id_ (host);
1058 orig_size = host_list_size;
1059 if (host_list_size <= host_id)
1061 while (host_list_size <= host_id)
1062 host_list_size += LIST_GROW_STEP;
1064 TESTBED_realloc (host_list,
1065 sizeof (struct GNUNET_TESTBED_Host *) * orig_size,
1066 sizeof (struct GNUNET_TESTBED_Host *)
1069 if (NULL != host_list[host_id])
1071 LOG_DEBUG ("A host with id: %u already exists\n", host_id);
1072 return GNUNET_SYSERR;
1074 host_list[host_id] = host;
1080 * Adds a route to the route list
1082 * @param route the route to add
1085 route_list_add (struct Route *route)
1089 orig_size = route_list_size;
1090 if (route->dest >= route_list_size)
1092 while (route->dest >= route_list_size)
1093 route_list_size += LIST_GROW_STEP;
1095 TESTBED_realloc (route_list,
1096 sizeof (struct Route *) * orig_size,
1097 sizeof (struct Route *) * route_list_size);
1099 GNUNET_assert (NULL == route_list[route->dest]);
1100 route_list[route->dest] = route;
1105 * Adds a slave to the slave array
1107 * @param slave the slave controller to add
1110 slave_list_add (struct Slave *slave)
1114 orig_size = slave_list_size;
1115 if (slave->host_id >= slave_list_size)
1117 while (slave->host_id >= slave_list_size)
1118 slave_list_size += LIST_GROW_STEP;
1120 TESTBED_realloc (slave_list, sizeof (struct Slave *) * orig_size,
1121 sizeof (struct Slave *) * slave_list_size);
1123 GNUNET_assert (NULL == slave_list[slave->host_id]);
1124 slave_list[slave->host_id] = slave;
1129 * Adds a peer to the peer array
1131 * @param peer the peer to add
1134 peer_list_add (struct Peer *peer)
1138 orig_size = peer_list_size;
1139 if (peer->id >= peer_list_size)
1141 while (peer->id >= peer_list_size)
1142 peer_list_size += LIST_GROW_STEP;
1144 TESTBED_realloc (peer_list, sizeof (struct Peer *) * orig_size,
1145 sizeof (struct Peer *) * peer_list_size);
1147 GNUNET_assert (NULL == peer_list[peer->id]);
1148 peer_list[peer->id] = peer;
1153 * Removes a the give peer from the peer array
1155 * @param peer the peer to be removed
1158 peer_list_remove (struct Peer *peer)
1163 peer_list[peer->id] = NULL;
1164 orig_size = peer_list_size;
1165 while (peer_list_size >= LIST_GROW_STEP)
1167 for (id = peer_list_size - 1;
1168 (id >= peer_list_size - LIST_GROW_STEP) && (id != UINT32_MAX); id--)
1169 if (NULL != peer_list[id])
1171 if (id != ((peer_list_size - LIST_GROW_STEP) - 1))
1173 peer_list_size -= LIST_GROW_STEP;
1175 if (orig_size == peer_list_size)
1178 GNUNET_realloc (peer_list, sizeof (struct Peer *) * peer_list_size);
1183 * Finds the route with directly connected host as destination through which
1184 * the destination host can be reached
1186 * @param host_id the id of the destination host
1187 * @return the route with directly connected destination host; NULL if no route
1190 static struct Route *
1191 find_dest_route (uint32_t host_id)
1193 struct Route *route;
1195 if (route_list_size <= host_id)
1197 while (NULL != (route = route_list[host_id]))
1199 if (route->thru == master_context->host_id)
1201 host_id = route->thru;
1208 * Routes message to a host given its host_id
1210 * @param host_id the id of the destination host
1211 * @param msg the message to be routed
1214 route_message (uint32_t host_id, const struct GNUNET_MessageHeader *msg)
1221 * Send operation failure message to client
1223 * @param client the client to which the failure message has to be sent to
1224 * @param operation_id the id of the failed operation
1225 * @param emsg the error message; can be NULL
1228 send_operation_fail_msg (struct GNUNET_SERVER_Client *client,
1229 uint64_t operation_id, const char *emsg)
1231 struct GNUNET_TESTBED_OperationFailureEventMessage *msg;
1235 msize = sizeof (struct GNUNET_TESTBED_OperationFailureEventMessage);
1236 emsg_len = (NULL == emsg) ? 0 : strlen (emsg) + 1;
1238 msg = GNUNET_malloc (msize);
1239 msg->header.size = htons (msize);
1240 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_OPERATIONFAILEVENT);
1241 msg->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
1242 msg->operation_id = GNUNET_htonll (operation_id);
1244 memcpy (&msg[1], emsg, emsg_len);
1245 queue_message (client, &msg->header);
1250 * Function to send generic operation success message to given client
1252 * @param client the client to send the message to
1253 * @param operation_id the id of the operation which was successful
1256 send_operation_success_msg (struct GNUNET_SERVER_Client *client,
1257 uint64_t operation_id)
1259 struct GNUNET_TESTBED_GenericOperationSuccessEventMessage *msg;
1262 msize = sizeof (struct GNUNET_TESTBED_GenericOperationSuccessEventMessage);
1263 msg = GNUNET_malloc (msize);
1264 msg->header.size = htons (msize);
1265 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GENERICOPSUCCESS);
1266 msg->operation_id = GNUNET_htonll (operation_id);
1267 msg->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
1268 queue_message (client, &msg->header);
1273 * Callback which will be called to after a host registration succeeded or failed
1275 * @param cls the handle to the slave at which the registration is completed
1276 * @param emsg the error message; NULL if host registration is successful
1279 hr_completion (void *cls, const char *emsg);
1283 * Attempts to register the next host in the host registration queue
1285 * @param slave the slave controller whose host registration queue is checked
1286 * for host registrations
1289 register_next_host (struct Slave *slave)
1291 struct HostRegistration *hr;
1293 hr = slave->hr_dll_head;
1294 GNUNET_assert (NULL != hr);
1295 GNUNET_assert (NULL == slave->rhandle);
1296 LOG (GNUNET_ERROR_TYPE_DEBUG,
1297 "Registering host %u at %u\n",
1298 GNUNET_TESTBED_host_get_id_ (hr->host),
1299 GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
1300 slave->rhandle = GNUNET_TESTBED_register_host (slave->controller,
1308 * Callback which will be called to after a host registration succeeded or failed
1310 * @param cls the handle to the slave at which the registration is completed
1311 * @param emsg the error message; NULL if host registration is successful
1314 hr_completion (void *cls, const char *emsg)
1316 struct Slave *slave = cls;
1317 struct HostRegistration *hr;
1319 slave->rhandle = NULL;
1320 hr = slave->hr_dll_head;
1321 GNUNET_assert (NULL != hr);
1322 LOG (GNUNET_ERROR_TYPE_DEBUG,
1323 "Registering host %u at %u successful\n",
1324 GNUNET_TESTBED_host_get_id_ (hr->host),
1325 GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
1326 GNUNET_CONTAINER_DLL_remove (slave->hr_dll_head,
1330 hr->cb (hr->cb_cls, emsg);
1332 if (NULL != slave->hr_dll_head)
1333 register_next_host (slave);
1338 * Adds a host registration's request to a slave's registration queue
1340 * @param slave the slave controller at which the given host has to be
1342 * @param cb the host registration completion callback
1343 * @param cb_cls the closure for the host registration completion callback
1344 * @param host the host which has to be registered
1347 queue_host_registration (struct Slave *slave,
1348 GNUNET_TESTBED_HostRegistrationCompletion cb,
1350 struct GNUNET_TESTBED_Host *host)
1352 struct HostRegistration *hr;
1355 LOG (GNUNET_ERROR_TYPE_DEBUG,
1356 "Queueing host registration for host %u at %u\n",
1357 GNUNET_TESTBED_host_get_id_ (host),
1358 GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
1359 hr = GNUNET_malloc (sizeof (struct HostRegistration));
1361 hr->cb_cls = cb_cls;
1363 call_register = (NULL == slave->hr_dll_head) ? GNUNET_YES : GNUNET_NO;
1364 GNUNET_CONTAINER_DLL_insert_tail (slave->hr_dll_head,
1367 if (GNUNET_YES == call_register)
1368 register_next_host (slave);
1373 * The Link Controller forwarding task
1375 * @param cls the LCFContext
1376 * @param tc the Task context from scheduler
1379 lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1383 * Completion callback for host registrations while forwarding Link Controller messages
1385 * @param cls the LCFContext
1386 * @param emsg the error message; NULL if host registration is successful
1389 lcf_proc_cc (void *cls, const char *emsg)
1391 struct LCFContext *lcf = cls;
1393 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
1398 goto registration_error;
1399 lcf->state = DELEGATED_HOST_REGISTERED;
1400 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1402 case DELEGATED_HOST_REGISTERED:
1404 goto registration_error;
1405 lcf->state = SLAVE_HOST_REGISTERED;
1406 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1409 GNUNET_assert (0); /* Shouldn't reach here */
1414 LOG (GNUNET_ERROR_TYPE_WARNING, "Host registration failed with message: %s\n",
1416 lcf->state = FINISHED;
1417 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1422 * Callback to relay the reply msg of a forwarded operation back to the client
1424 * @param cls ForwardedOperationContext
1425 * @param msg the message to relay
1428 forwarded_operation_reply_relay (void *cls,
1429 const struct GNUNET_MessageHeader *msg)
1431 struct ForwardedOperationContext *fopc = cls;
1432 struct GNUNET_MessageHeader *dup_msg;
1435 msize = ntohs (msg->size);
1436 LOG_DEBUG ("Relaying message with type: %u, size: %u\n", ntohs (msg->type),
1438 dup_msg = GNUNET_copy_message (msg);
1439 queue_message (fopc->client, dup_msg);
1440 GNUNET_SERVER_client_drop (fopc->client);
1441 GNUNET_SCHEDULER_cancel (fopc->timeout_task);
1442 GNUNET_CONTAINER_DLL_remove (fopcq_head, fopcq_tail, fopc);
1448 * Task to free resources when forwarded operation has been timedout
1450 * @param cls the ForwardedOperationContext
1451 * @param tc the task context from scheduler
1454 forwarded_operation_timeout (void *cls,
1455 const struct GNUNET_SCHEDULER_TaskContext *tc)
1457 struct ForwardedOperationContext *fopc = cls;
1459 GNUNET_TESTBED_forward_operation_msg_cancel_ (fopc->opc);
1460 LOG (GNUNET_ERROR_TYPE_WARNING, "A forwarded operation has timed out\n");
1461 send_operation_fail_msg (fopc->client, fopc->operation_id, "Timeout");
1462 GNUNET_SERVER_client_drop (fopc->client);
1463 GNUNET_CONTAINER_DLL_remove (fopcq_head, fopcq_tail, fopc);
1469 * The Link Controller forwarding task
1471 * @param cls the LCFContext
1472 * @param tc the Task context from scheduler
1475 lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1479 * Callback to be called when forwarded link controllers operation is
1480 * successfull. We have to relay the reply msg back to the client
1482 * @param cls the LCFContext
1483 * @param msg the message to relay
1486 lcf_forwarded_operation_reply_relay (void *cls,
1487 const struct GNUNET_MessageHeader *msg)
1489 struct LCFContext *lcf = cls;
1491 GNUNET_assert (NULL != lcf->fopc);
1492 forwarded_operation_reply_relay (lcf->fopc, msg);
1494 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
1495 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1500 * Task to free resources when forwarded link controllers has been timedout
1502 * @param cls the LCFContext
1503 * @param tc the task context from scheduler
1506 lcf_forwarded_operation_timeout (void *cls,
1507 const struct GNUNET_SCHEDULER_TaskContext *tc)
1509 struct LCFContext *lcf = cls;
1511 GNUNET_assert (NULL != lcf->fopc);
1512 lcf->fopc->timeout_task = GNUNET_SCHEDULER_NO_TASK;
1513 forwarded_operation_timeout (lcf->fopc, tc);
1515 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
1516 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1521 * The Link Controller forwarding task
1523 * @param cls the LCFContext
1524 * @param tc the Task context from scheduler
1527 lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1529 struct LCFContext *lcf = cls;
1530 struct LCFContextQueue *lcfq;
1532 lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
1537 GNUNET_TESTBED_is_host_registered_ (host_list[lcf->delegated_host_id],
1538 lcf->gateway->controller))
1540 queue_host_registration (lcf->gateway,
1542 host_list[lcf->delegated_host_id]);
1546 lcf->state = DELEGATED_HOST_REGISTERED;
1547 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1550 case DELEGATED_HOST_REGISTERED:
1552 GNUNET_TESTBED_is_host_registered_ (host_list[lcf->slave_host_id],
1553 lcf->gateway->controller))
1555 queue_host_registration (lcf->gateway,
1557 host_list[lcf->slave_host_id]);
1561 lcf->state = SLAVE_HOST_REGISTERED;
1562 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1565 case SLAVE_HOST_REGISTERED:
1566 lcf->fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
1567 lcf->fopc->client = lcf->client;
1568 lcf->fopc->operation_id = lcf->operation_id;
1569 lcf->fopc->type = OP_LINK_CONTROLLERS;
1571 GNUNET_TESTBED_forward_operation_msg_ (lcf->gateway->controller,
1574 &lcf_forwarded_operation_reply_relay,
1576 lcf->fopc->timeout_task =
1577 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &lcf_forwarded_operation_timeout,
1579 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, lcf->fopc);
1580 lcf->state = FINISHED;
1584 GNUNET_assert (lcfq->lcf == lcf);
1585 GNUNET_free (lcf->msg);
1587 GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
1589 if (NULL != lcfq_head)
1591 GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcfq_head->lcf);
1597 * Cleans up ForwardedOverlayConnectContext
1599 * @param focc the ForwardedOverlayConnectContext to cleanup
1602 cleanup_focc (struct ForwardedOverlayConnectContext *focc)
1604 GNUNET_free_non_null (focc->orig_msg);
1610 * Processes a forwarded overlay connect context in the queue of the given RegisteredHostContext
1612 * @param rhc the RegisteredHostContext
1615 process_next_focc (struct RegisteredHostContext *rhc);
1619 * Timeout task for cancelling a forwarded overlay connect connect
1621 * @param cls the ForwardedOverlayConnectContext
1622 * @param tc the task context from the scheduler
1625 forwarded_overlay_connect_timeout (void *cls,
1626 const struct GNUNET_SCHEDULER_TaskContext
1629 struct ForwardedOperationContext *fopc = cls;
1630 struct RegisteredHostContext *rhc;
1631 struct ForwardedOverlayConnectContext *focc;
1634 focc = rhc->focc_dll_head;
1635 GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head, rhc->focc_dll_tail, focc);
1636 cleanup_focc (focc);
1637 LOG_DEBUG ("Overlay linking between peers %u and %u failed\n",
1638 focc->peer1, focc->peer2);
1639 forwarded_operation_timeout (cls, tc);
1640 if (NULL != rhc->focc_dll_head)
1641 process_next_focc (rhc);
1646 * Callback to be called when forwarded overlay connection operation has a reply
1647 * from the sub-controller successfull. We have to relay the reply msg back to
1650 * @param cls ForwardedOperationContext
1651 * @param msg the peer create success message
1654 forwarded_overlay_connect_listener (void *cls,
1655 const struct GNUNET_MessageHeader *msg)
1657 struct ForwardedOperationContext *fopc = cls;
1658 struct RegisteredHostContext *rhc;
1659 struct ForwardedOverlayConnectContext *focc;
1662 forwarded_operation_reply_relay (cls, msg);
1663 focc = rhc->focc_dll_head;
1664 GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head, rhc->focc_dll_tail, focc);
1665 cleanup_focc (focc);
1666 if (NULL != rhc->focc_dll_head)
1667 process_next_focc (rhc);
1672 * Processes a forwarded overlay connect context in the queue of the given RegisteredHostContext
1674 * @param rhc the RegisteredHostContext
1677 process_next_focc (struct RegisteredHostContext *rhc)
1679 struct ForwardedOperationContext *fopc;
1680 struct ForwardedOverlayConnectContext *focc;
1682 focc = rhc->focc_dll_head;
1683 GNUNET_assert (NULL != focc);
1684 GNUNET_assert (RHC_OL_CONNECT == rhc->state);
1685 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
1686 GNUNET_SERVER_client_keep (rhc->client);
1687 fopc->client = rhc->client;
1688 fopc->operation_id = focc->operation_id;
1690 fopc->type = OP_OVERLAY_CONNECT;
1692 GNUNET_TESTBED_forward_operation_msg_ (rhc->gateway->controller,
1693 focc->operation_id, focc->orig_msg,
1694 &forwarded_overlay_connect_listener,
1696 GNUNET_free (focc->orig_msg);
1697 focc->orig_msg = NULL;
1698 fopc->timeout_task =
1699 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_overlay_connect_timeout,
1701 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
1706 * Callback for event from slave controllers
1708 * @param cls struct Slave *
1709 * @param event information about the event
1712 slave_event_callback (void *cls,
1713 const struct GNUNET_TESTBED_EventInformation *event)
1715 struct RegisteredHostContext *rhc;
1716 struct GNUNET_CONFIGURATION_Handle *cfg;
1717 struct GNUNET_TESTBED_Operation *old_op;
1719 /* We currently only get here when working on RegisteredHostContexts */
1720 GNUNET_assert (GNUNET_TESTBED_ET_OPERATION_FINISHED == event->type);
1721 rhc = event->details.operation_finished.op_cls;
1722 GNUNET_assert (rhc->sub_op == event->details.operation_finished.operation);
1726 cfg = event->details.operation_finished.generic;
1727 old_op = rhc->sub_op;
1728 rhc->state = RHC_LINK;
1730 GNUNET_TESTBED_controller_link (rhc,
1731 rhc->gateway->controller,
1736 GNUNET_TESTBED_operation_done (old_op);
1739 LOG_DEBUG ("OL: Linking controllers successfull\n");
1740 GNUNET_TESTBED_operation_done (rhc->sub_op);
1742 rhc->state = RHC_OL_CONNECT;
1743 process_next_focc (rhc);
1752 * Callback to signal successfull startup of the controller process
1754 * @param cls the handle to the slave whose status is to be found here
1755 * @param cfg the configuration with which the controller has been started;
1756 * NULL if status is not GNUNET_OK
1757 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1758 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1761 slave_status_callback (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg,
1764 struct Slave *slave = cls;
1765 struct LinkControllersContext *lcc;
1768 if (GNUNET_SYSERR == status)
1770 slave->controller_proc = NULL;
1771 slave_list[slave->host_id] = NULL;
1772 if (NULL != slave->cfg)
1773 GNUNET_CONFIGURATION_destroy (slave->cfg);
1774 GNUNET_free (slave);
1776 LOG (GNUNET_ERROR_TYPE_WARNING, "Unexpected slave shutdown\n");
1777 GNUNET_SCHEDULER_shutdown (); /* We too shutdown */
1781 GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
1783 &slave_event_callback, slave);
1784 if (NULL != slave->controller)
1786 send_operation_success_msg (lcc->client, lcc->operation_id);
1787 slave->cfg = GNUNET_CONFIGURATION_dup (cfg);
1791 send_operation_fail_msg (lcc->client, lcc->operation_id,
1792 "Could not connect to delegated controller");
1793 GNUNET_TESTBED_controller_stop (slave->controller_proc);
1794 slave_list[slave->host_id] = NULL;
1795 GNUNET_free (slave);
1802 if (NULL != lcc->client)
1804 GNUNET_SERVER_receive_done (lcc->client, GNUNET_OK);
1805 GNUNET_SERVER_client_drop (lcc->client);
1816 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_INIT messages
1819 * @param client identification of the client
1820 * @param message the actual message
1823 handle_init (void *cls, struct GNUNET_SERVER_Client *client,
1824 const struct GNUNET_MessageHeader *message)
1826 const struct GNUNET_TESTBED_InitMessage *msg;
1827 struct GNUNET_TESTBED_Host *host;
1828 const char *controller_hostname;
1831 if (NULL != master_context)
1833 LOG_DEBUG ("We are being connected to laterally\n");
1834 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1837 msg = (const struct GNUNET_TESTBED_InitMessage *) message;
1838 msize = ntohs (message->size);
1839 if (msize <= sizeof (struct GNUNET_TESTBED_InitMessage))
1842 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
1845 msize -= sizeof (struct GNUNET_TESTBED_InitMessage);
1846 controller_hostname = (const char *) &msg[1];
1847 if ('\0' != controller_hostname[msize - 1])
1850 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
1853 master_context = GNUNET_malloc (sizeof (struct Context));
1854 GNUNET_SERVER_client_keep (client);
1855 master_context->client = client;
1856 master_context->host_id = ntohl (msg->host_id);
1857 master_context->master_ip = GNUNET_strdup (controller_hostname);
1858 LOG_DEBUG ("Our IP: %s\n", master_context->master_ip);
1859 master_context->system =
1860 GNUNET_TESTING_system_create ("testbed", master_context->master_ip, hostname);
1862 GNUNET_TESTBED_host_create_with_id (master_context->host_id,
1863 master_context->master_ip,
1866 host_list_add (host);
1867 LOG_DEBUG ("Created master context with host ID: %u\n",
1868 master_context->host_id);
1869 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1874 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
1877 * @param client identification of the client
1878 * @param message the actual message
1881 handle_add_host (void *cls, struct GNUNET_SERVER_Client *client,
1882 const struct GNUNET_MessageHeader *message)
1884 struct GNUNET_TESTBED_Host *host;
1885 const struct GNUNET_TESTBED_AddHostMessage *msg;
1886 struct GNUNET_TESTBED_HostConfirmedMessage *reply;
1891 uint16_t username_length;
1892 uint16_t hostname_length;
1893 uint16_t reply_size;
1896 msg = (const struct GNUNET_TESTBED_AddHostMessage *) message;
1897 msize = ntohs (msg->header.size);
1898 username = (char *) &msg[1];
1899 username_length = ntohs (msg->user_name_length);
1900 if (0 != username_length)
1902 /* msg must contain hostname */
1903 GNUNET_assert (msize > (sizeof (struct GNUNET_TESTBED_AddHostMessage) +
1904 username_length + 1));
1905 if (0 != username_length)
1906 GNUNET_assert ('\0' == username[username_length - 1]);
1907 hostname = username + username_length;
1909 msize - (sizeof (struct GNUNET_TESTBED_AddHostMessage) + username_length);
1910 GNUNET_assert ('\0' == hostname[hostname_length - 1]);
1911 GNUNET_assert (strlen (hostname) == hostname_length - 1);
1912 host_id = ntohl (msg->host_id);
1913 LOG_DEBUG ("Received ADDHOST %u message\n", host_id);
1914 LOG_DEBUG ("-------host id: %u\n", host_id);
1915 LOG_DEBUG ("-------hostname: %s\n", hostname);
1916 if (0 != username_length)
1917 LOG_DEBUG ("-------username: %s\n", username);
1920 LOG_DEBUG ("-------username: NULL\n");
1923 LOG_DEBUG ("-------ssh port: %u\n", ntohs (msg->ssh_port));
1925 GNUNET_TESTBED_host_create_with_id (host_id, hostname, username,
1926 ntohs (msg->ssh_port));
1927 GNUNET_assert (NULL != host);
1928 reply_size = sizeof (struct GNUNET_TESTBED_HostConfirmedMessage);
1929 if (GNUNET_OK != host_list_add (host))
1931 /* We are unable to add a host */
1932 emsg = "A host exists with given host-id";
1933 LOG_DEBUG ("%s: %u", emsg, host_id);
1934 GNUNET_TESTBED_host_destroy (host);
1935 reply_size += strlen (emsg) + 1;
1936 reply = GNUNET_malloc (reply_size);
1937 memcpy (&reply[1], emsg, strlen (emsg) + 1);
1941 LOG_DEBUG ("Added host %u at %u\n",
1942 host_id, master_context->host_id);
1943 reply = GNUNET_malloc (reply_size);
1945 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_ADDHOSTCONFIRM);
1946 reply->header.size = htons (reply_size);
1947 reply->host_id = htonl (host_id);
1948 queue_message (client, &reply->header);
1949 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1954 * Iterator over hash map entries.
1956 * @param cls closure
1957 * @param key current key code
1958 * @param value value in the hash map
1959 * @return GNUNET_YES if we should continue to
1964 ss_exists_iterator (void *cls, const struct GNUNET_HashCode *key, void *value)
1966 struct SharedService *queried_ss = cls;
1967 struct SharedService *ss = value;
1969 if (0 == strcmp (ss->name, queried_ss->name))
1977 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
1980 * @param client identification of the client
1981 * @param message the actual message
1984 handle_configure_shared_service (void *cls, struct GNUNET_SERVER_Client *client,
1985 const struct GNUNET_MessageHeader *message)
1987 const struct GNUNET_TESTBED_ConfigureSharedServiceMessage *msg;
1988 struct SharedService *ss;
1990 struct GNUNET_HashCode hash;
1992 uint16_t service_name_size;
1994 msg = (const struct GNUNET_TESTBED_ConfigureSharedServiceMessage *) message;
1995 msg_size = ntohs (message->size);
1996 if (msg_size <= sizeof (struct GNUNET_TESTBED_ConfigureSharedServiceMessage))
1999 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2003 msg_size - sizeof (struct GNUNET_TESTBED_ConfigureSharedServiceMessage);
2004 service_name = (char *) &msg[1];
2005 if ('\0' != service_name[service_name_size - 1])
2008 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2011 LOG_DEBUG ("Received service sharing request for %s, with %d peers\n",
2012 service_name, ntohl (msg->num_peers));
2013 if (ntohl (msg->host_id) != master_context->host_id)
2015 route_message (ntohl (msg->host_id), message);
2016 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2019 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2020 ss = GNUNET_malloc (sizeof (struct SharedService));
2021 ss->name = strdup (service_name);
2022 ss->num_shared = ntohl (msg->num_peers);
2023 GNUNET_CRYPTO_hash (ss->name, service_name_size, &hash);
2024 if (GNUNET_SYSERR ==
2025 GNUNET_CONTAINER_multihashmap_get_multiple (ss_map, &hash,
2026 &ss_exists_iterator, ss))
2028 LOG (GNUNET_ERROR_TYPE_WARNING,
2029 "Service %s already configured as a shared service. "
2030 "Ignoring service sharing request \n", ss->name);
2031 GNUNET_free (ss->name);
2035 GNUNET_CONTAINER_multihashmap_put (ss_map, &hash, ss,
2036 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
2041 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS message
2044 * @param client identification of the client
2045 * @param message the actual message
2048 handle_link_controllers (void *cls, struct GNUNET_SERVER_Client *client,
2049 const struct GNUNET_MessageHeader *message)
2051 const struct GNUNET_TESTBED_ControllerLinkMessage *msg;
2052 struct GNUNET_CONFIGURATION_Handle *cfg;
2053 struct LCFContextQueue *lcfq;
2054 struct Route *route;
2055 struct Route *new_route;
2059 uint32_t delegated_host_id;
2060 uint32_t slave_host_id;
2063 if (NULL == master_context)
2066 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2069 msize = ntohs (message->size);
2070 if (sizeof (struct GNUNET_TESTBED_ControllerLinkMessage) >= msize)
2073 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2076 msg = (const struct GNUNET_TESTBED_ControllerLinkMessage *) message;
2077 delegated_host_id = ntohl (msg->delegated_host_id);
2078 if (delegated_host_id == master_context->host_id)
2081 LOG (GNUNET_ERROR_TYPE_WARNING, "Trying to link ourselves\n");
2082 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2085 if ((delegated_host_id >= host_list_size) ||
2086 (NULL == host_list[delegated_host_id]))
2088 LOG (GNUNET_ERROR_TYPE_WARNING,
2089 "Delegated host %u not registered with us\n", delegated_host_id);
2090 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2093 slave_host_id = ntohl (msg->slave_host_id);
2094 if ((slave_host_id >= host_list_size) || (NULL == host_list[slave_host_id]))
2096 LOG (GNUNET_ERROR_TYPE_WARNING, "Slave host %u not registered with us\n",
2098 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2101 if (slave_host_id == delegated_host_id)
2103 LOG (GNUNET_ERROR_TYPE_WARNING, "Slave and delegated host are same\n");
2104 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2108 if (slave_host_id == master_context->host_id) /* Link from us */
2110 struct Slave *slave;
2111 struct LinkControllersContext *lcc;
2113 msize -= sizeof (struct GNUNET_TESTBED_ControllerLinkMessage);
2114 config_size = ntohs (msg->config_size);
2115 if ((delegated_host_id < slave_list_size) && (NULL != slave_list[delegated_host_id])) /* We have already added */
2117 LOG (GNUNET_ERROR_TYPE_WARNING, "Host %u already connected\n",
2119 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2122 config = GNUNET_malloc (config_size);
2123 dest_size = (uLongf) config_size;
2125 uncompress ((Bytef *) config, &dest_size, (const Bytef *) &msg[1],
2128 GNUNET_break (0); /* Compression error */
2129 GNUNET_free (config);
2130 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2133 if (config_size != dest_size)
2135 LOG (GNUNET_ERROR_TYPE_WARNING, "Uncompressed config size mismatch\n");
2136 GNUNET_free (config);
2137 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2140 cfg = GNUNET_CONFIGURATION_create (); /* Free here or in lcfcontext */
2142 GNUNET_CONFIGURATION_deserialize (cfg, config, config_size, GNUNET_NO))
2144 GNUNET_break (0); /* Configuration parsing error */
2145 GNUNET_free (config);
2146 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2149 GNUNET_free (config);
2150 if ((delegated_host_id < slave_list_size) &&
2151 (NULL != slave_list[delegated_host_id]))
2153 GNUNET_break (0); /* Configuration parsing error */
2154 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2157 slave = GNUNET_malloc (sizeof (struct Slave));
2158 slave->host_id = delegated_host_id;
2159 slave->reghost_map = GNUNET_CONTAINER_multihashmap_create (100, GNUNET_NO);
2160 slave_list_add (slave);
2161 if (1 != msg->is_subordinate)
2164 GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
2166 &slave_event_callback, slave);
2168 if (NULL != slave->controller)
2169 send_operation_success_msg (client, GNUNET_ntohll (msg->operation_id));
2171 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2172 "Could not connect to delegated controller");
2173 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2176 lcc = GNUNET_malloc (sizeof (struct LinkControllersContext));
2177 lcc->operation_id = GNUNET_ntohll (msg->operation_id);
2178 GNUNET_SERVER_client_keep (client);
2179 lcc->client = client;
2181 slave->controller_proc =
2182 GNUNET_TESTBED_controller_start (master_context->master_ip,
2183 host_list[slave->host_id], cfg,
2184 &slave_status_callback, slave);
2185 GNUNET_CONFIGURATION_destroy (cfg);
2186 new_route = GNUNET_malloc (sizeof (struct Route));
2187 new_route->dest = delegated_host_id;
2188 new_route->thru = master_context->host_id;
2189 route_list_add (new_route);
2193 /* Route the request */
2194 if (slave_host_id >= route_list_size)
2196 LOG (GNUNET_ERROR_TYPE_WARNING, "No route towards slave host");
2197 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2200 lcfq = GNUNET_malloc (sizeof (struct LCFContextQueue));
2201 lcfq->lcf = GNUNET_malloc (sizeof (struct LCFContext));
2202 lcfq->lcf->delegated_host_id = delegated_host_id;
2203 lcfq->lcf->slave_host_id = slave_host_id;
2204 route = find_dest_route (slave_host_id);
2205 GNUNET_assert (NULL != route); /* because we add routes carefully */
2206 GNUNET_assert (route->dest < slave_list_size);
2207 GNUNET_assert (NULL != slave_list[route->dest]);
2208 lcfq->lcf->state = INIT;
2209 lcfq->lcf->operation_id = GNUNET_ntohll (msg->operation_id);
2210 lcfq->lcf->gateway = slave_list[route->dest];
2211 lcfq->lcf->msg = GNUNET_malloc (msize);
2212 (void) memcpy (lcfq->lcf->msg, msg, msize);
2213 GNUNET_SERVER_client_keep (client);
2214 lcfq->lcf->client = client;
2215 if (NULL == lcfq_head)
2217 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
2218 GNUNET_CONTAINER_DLL_insert_tail (lcfq_head, lcfq_tail, lcfq);
2219 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcfq->lcf);
2222 GNUNET_CONTAINER_DLL_insert_tail (lcfq_head, lcfq_tail, lcfq);
2223 /* FIXME: Adding a new route should happen after the controllers are linked
2225 if (1 != msg->is_subordinate)
2227 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2230 if ((delegated_host_id < route_list_size)
2231 && (NULL != route_list[delegated_host_id]))
2233 GNUNET_break_op (0); /* Are you trying to link delegated host twice
2234 with is subordinate flag set to GNUNET_YES? */
2235 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2238 new_route = GNUNET_malloc (sizeof (struct Route));
2239 new_route->dest = delegated_host_id;
2240 new_route->thru = route->dest;
2241 route_list_add (new_route);
2242 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2247 * The task to be executed if the forwarded peer create operation has been
2250 * @param cls the FowardedOperationContext
2251 * @param tc the TaskContext from the scheduler
2254 peer_create_forward_timeout (void *cls,
2255 const struct GNUNET_SCHEDULER_TaskContext *tc)
2257 struct ForwardedOperationContext *fopc = cls;
2259 GNUNET_free (fopc->cls);
2260 forwarded_operation_timeout (fopc, tc);
2265 * Callback to be called when forwarded peer create operation is successfull. We
2266 * have to relay the reply msg back to the client
2268 * @param cls ForwardedOperationContext
2269 * @param msg the peer create success message
2272 peer_create_success_cb (void *cls, const struct GNUNET_MessageHeader *msg)
2274 struct ForwardedOperationContext *fopc = cls;
2275 struct Peer *remote_peer;
2277 if (ntohs (msg->type) == GNUNET_MESSAGE_TYPE_TESTBED_PEERCREATESUCCESS)
2279 GNUNET_assert (NULL != fopc->cls);
2280 remote_peer = fopc->cls;
2281 peer_list_add (remote_peer);
2283 forwarded_operation_reply_relay (fopc, msg);
2288 * Function to destroy a peer
2290 * @param peer the peer structure to destroy
2293 destroy_peer (struct Peer *peer)
2295 GNUNET_break (0 == peer->reference_cnt);
2296 if (GNUNET_YES == peer->is_remote)
2298 peer_list_remove (peer);
2302 if (GNUNET_YES == peer->details.local.is_running)
2304 GNUNET_TESTING_peer_stop (peer->details.local.peer);
2305 peer->details.local.is_running = GNUNET_NO;
2307 GNUNET_TESTING_peer_destroy (peer->details.local.peer);
2308 GNUNET_CONFIGURATION_destroy (peer->details.local.cfg);
2309 peer_list_remove (peer);
2315 * Callback to be called when forwarded peer destroy operation is successfull. We
2316 * have to relay the reply msg back to the client
2318 * @param cls ForwardedOperationContext
2319 * @param msg the peer create success message
2322 peer_destroy_success_cb (void *cls, const struct GNUNET_MessageHeader *msg)
2324 struct ForwardedOperationContext *fopc = cls;
2325 struct Peer *remote_peer;
2327 if (GNUNET_MESSAGE_TYPE_TESTBED_GENERICOPSUCCESS == ntohs (msg->type))
2329 remote_peer = fopc->cls;
2330 GNUNET_assert (NULL != remote_peer);
2331 remote_peer->destroy_flag = GNUNET_YES;
2332 if (0 == remote_peer->reference_cnt)
2333 destroy_peer (remote_peer);
2335 forwarded_operation_reply_relay (fopc, msg);
2341 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER messages
2344 * @param client identification of the client
2345 * @param message the actual message
2348 handle_peer_create (void *cls, struct GNUNET_SERVER_Client *client,
2349 const struct GNUNET_MessageHeader *message)
2351 const struct GNUNET_TESTBED_PeerCreateMessage *msg;
2352 struct GNUNET_TESTBED_PeerCreateSuccessEventMessage *reply;
2353 struct GNUNET_CONFIGURATION_Handle *cfg;
2354 struct ForwardedOperationContext *fo_ctxt;
2355 struct Route *route;
2360 uint32_t config_size;
2366 msize = ntohs (message->size);
2367 if (msize <= sizeof (struct GNUNET_TESTBED_PeerCreateMessage))
2369 GNUNET_break (0); /* We need configuration */
2370 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2373 msg = (const struct GNUNET_TESTBED_PeerCreateMessage *) message;
2374 host_id = ntohl (msg->host_id);
2375 peer_id = ntohl (msg->peer_id);
2376 if (UINT32_MAX == peer_id)
2378 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2379 "Cannot create peer with given ID");
2380 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2383 if (host_id == master_context->host_id)
2387 /* We are responsible for this peer */
2388 msize -= sizeof (struct GNUNET_TESTBED_PeerCreateMessage);
2389 config_size = ntohl (msg->config_size);
2390 config = GNUNET_malloc (config_size);
2391 dest_size = config_size;
2394 uncompress ((Bytef *) config, (uLongf *) & dest_size,
2395 (const Bytef *) &msg[1], (uLong) msize)))
2397 GNUNET_break (0); /* uncompression error */
2398 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2401 if (config_size != dest_size)
2403 GNUNET_break (0); /* Uncompressed config size mismatch */
2404 GNUNET_free (config);
2405 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2408 cfg = GNUNET_CONFIGURATION_create ();
2410 GNUNET_CONFIGURATION_deserialize (cfg, config, config_size, GNUNET_NO))
2412 GNUNET_break (0); /* Configuration parsing error */
2413 GNUNET_free (config);
2414 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2417 GNUNET_free (config);
2418 GNUNET_CONFIGURATION_set_value_number (cfg,
2421 (unsigned long long) peer_id);
2422 peer = GNUNET_malloc (sizeof (struct Peer));
2423 peer->is_remote = GNUNET_NO;
2424 peer->details.local.cfg = cfg;
2426 LOG_DEBUG ("Creating peer with id: %u\n",
2427 (unsigned int) 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 if (GNUNET_SCHEDULER_NO_TASK != occ->tcc.task)
2902 GNUNET_SCHEDULER_cancel (occ->tcc.task);
2903 occ->tcc.task = GNUNET_SCHEDULER_NO_TASK;
2905 GNUNET_free_non_null (occ->emsg);
2907 LOG_DEBUG ("Peers connected - Sending overlay connect success\n");
2908 msg = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_ConnectionEventMessage));
2910 htons (sizeof (struct GNUNET_TESTBED_ConnectionEventMessage));
2911 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONEVENT);
2912 msg->event_type = htonl (GNUNET_TESTBED_ET_CONNECT);
2913 msg->peer1 = htonl (occ->peer_id);
2914 msg->peer2 = htonl (occ->other_peer_id);
2915 msg->operation_id = GNUNET_htonll (occ->op_id);
2916 queue_message (occ->client, &msg->header);
2917 occ->cleanup_task = GNUNET_SCHEDULER_add_now (&do_cleanup_occ, occ);
2918 //cleanup_occ (occ);
2923 * Task to ask transport of a peer to connect to another peer
2925 * @param cls the TryConnectContext
2926 * @param tc the scheduler task context
2929 try_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
2933 * Callback to be called with result of the try connect request.
2935 * @param cls the overlay connect context
2936 * @param result GNUNET_OK if message was transmitted to transport service
2937 * GNUNET_SYSERR if message was not transmitted to transport service
2940 try_connect_cb (void *cls, const int result)
2942 struct TryConnectContext *tcc = cls;
2945 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == tcc->task);
2946 tcc->task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
2947 (GNUNET_TIME_UNIT_MILLISECONDS,
2948 pow (10, ++tcc->retries)),
2949 &try_connect_task, tcc);
2954 * Task to ask transport of a peer to connect to another peer
2956 * @param cls the TryConnectContext
2957 * @param tc the scheduler task context
2960 try_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
2962 struct TryConnectContext *tcc = cls;
2964 tcc->task = GNUNET_SCHEDULER_NO_TASK;
2965 if (0 != (GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason))
2967 GNUNET_assert (NULL == tcc->tch);
2968 GNUNET_assert (NULL != tcc->pid);
2969 GNUNET_assert (NULL != tcc->th);
2970 tcc->tch = GNUNET_TRANSPORT_try_connect (tcc->th, tcc->pid, &try_connect_cb, tcc);
2975 * Task to offer HELLO of peer 1 to peer 2 and try to make peer 2 to connect to
2978 * @param cls the OverlayConnectContext
2979 * @param tc the TaskContext from scheduler
2982 send_hello (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
2986 * Task that is run when hello has been sent
2988 * @param cls the overlay connect context
2989 * @param tc the scheduler task context; if tc->reason =
2990 * GNUNET_SCHEDULER_REASON_TIMEOUT then sending HELLO failed; if
2991 * GNUNET_SCHEDULER_REASON_READ_READY is succeeded
2994 occ_hello_sent_cb (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
2996 struct OverlayConnectContext *occ = cls;
2999 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == occ->send_hello_task);
3000 if (GNUNET_SCHEDULER_REASON_TIMEOUT == tc->reason)
3002 GNUNET_free_non_null (occ->emsg);
3003 occ->emsg = GNUNET_strdup ("Timeout while offering HELLO to other peer");
3004 occ->send_hello_task = GNUNET_SCHEDULER_add_now (&send_hello, occ);
3007 if (GNUNET_SCHEDULER_REASON_READ_READY != tc->reason)
3009 GNUNET_free_non_null (occ->emsg);
3010 occ->emsg = GNUNET_strdup ("Timeout while try connect\n");
3011 occ->tcc.pid = &occ->peer_identity;
3012 occ->tcc.task = GNUNET_SCHEDULER_add_now (&try_connect_task, &occ->tcc);
3017 * Task to offer HELLO of peer 1 to peer 2 and try to make peer 2 to connect to
3020 * @param cls the OverlayConnectContext
3021 * @param tc the TaskContext from scheduler
3024 send_hello (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3026 struct OverlayConnectContext *occ = cls;
3027 char *other_peer_str;
3029 occ->send_hello_task = GNUNET_SCHEDULER_NO_TASK;
3030 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
3032 GNUNET_assert (NULL != occ->hello);
3033 other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
3034 if (NULL != occ->peer2_controller)
3036 struct GNUNET_TESTBED_RequestConnectMessage *msg;
3038 uint16_t hello_size;
3040 LOG_DEBUG ("Offering HELLO of %s to %s via Remote Overlay Request\n",
3041 GNUNET_i2s (&occ->peer_identity), other_peer_str);
3042 hello_size = ntohs (occ->hello->size);
3043 msize = sizeof (struct GNUNET_TESTBED_RequestConnectMessage) + hello_size;
3044 msg = GNUNET_malloc (msize);
3045 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT);
3046 msg->header.size = htons (msize);
3047 msg->peer = htonl (occ->other_peer_id);
3048 msg->operation_id = GNUNET_htonll (occ->op_id);
3049 (void) memcpy (&msg->peer_identity, &occ->peer_identity,
3050 sizeof (struct GNUNET_PeerIdentity));
3051 memcpy (msg->hello, occ->hello, hello_size);
3052 GNUNET_TESTBED_queue_message_ (occ->peer2_controller, &msg->header);
3056 LOG_DEBUG ("Offering HELLO of %s to %s\n",
3057 GNUNET_i2s (&occ->peer_identity), other_peer_str);
3058 occ->ohh = GNUNET_TRANSPORT_offer_hello (occ->tcc.th,
3062 if (NULL == occ->ohh)
3065 occ->send_hello_task =
3066 GNUNET_SCHEDULER_add_delayed
3067 (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
3068 100 + GNUNET_CRYPTO_random_u32
3069 (GNUNET_CRYPTO_QUALITY_WEAK, 500)),
3073 GNUNET_free (other_peer_str);
3077 * Test for checking whether HELLO message is empty
3079 * @param cls empty flag to set
3080 * @param address the HELLO
3081 * @param expiration expiration of the HELLO
3085 test_address (void *cls, const struct GNUNET_HELLO_Address *address,
3086 struct GNUNET_TIME_Absolute expiration)
3096 * Function called whenever there is an update to the HELLO of peers in the
3097 * OverlayConnectClosure. If we have a valid HELLO, we connect to the peer 2's
3098 * transport and offer peer 1's HELLO and ask peer 2 to connect to peer 1
3100 * @param cls closure
3101 * @param hello our updated HELLO
3104 hello_update_cb (void *cls, const struct GNUNET_MessageHeader *hello)
3106 struct OverlayConnectContext *occ = cls;
3110 msize = ntohs (hello->size);
3112 (void) GNUNET_HELLO_iterate_addresses ((const struct GNUNET_HELLO_Message *)
3113 hello, GNUNET_NO, &test_address,
3115 if (GNUNET_YES == empty)
3117 LOG_DEBUG ("HELLO of %s is empty\n", GNUNET_i2s (&occ->peer_identity));
3120 LOG_DEBUG ("Received HELLO of %s\n", GNUNET_i2s (&occ->peer_identity));
3121 occ->hello = GNUNET_malloc (msize);
3122 memcpy (occ->hello, hello, msize);
3123 GNUNET_TRANSPORT_get_hello_cancel (occ->ghh);
3125 GNUNET_TRANSPORT_disconnect (occ->p1th);
3127 occ->peer->reference_cnt--;
3128 GNUNET_free_non_null (occ->emsg);
3129 if (NULL == occ->peer2_controller)
3131 peer_list[occ->other_peer_id]->reference_cnt++;
3133 GNUNET_TRANSPORT_connect (peer_list[occ->other_peer_id]->details.local.cfg,
3134 &occ->other_peer_identity, NULL, NULL, NULL,
3136 if (NULL == occ->tcc.th)
3138 GNUNET_asprintf (&occ->emsg, "Cannot connect to TRANSPORT of %s\n",
3139 GNUNET_i2s (&occ->other_peer_identity));
3140 GNUNET_SCHEDULER_cancel (occ->timeout_task);
3141 occ->timeout_task = GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3145 occ->emsg = GNUNET_strdup ("Timeout while offering HELLO to other peer");
3146 occ->send_hello_task = GNUNET_SCHEDULER_add_now (&send_hello, occ);
3151 * Function called after GNUNET_CORE_connect has succeeded (or failed
3152 * for good). Note that the private key of the peer is intentionally
3153 * not exposed here; if you need it, your process should try to read
3154 * the private key file directly (which should work if you are
3157 * @param cls closure
3158 * @param server handle to the server, NULL if we failed
3159 * @param my_identity ID of this peer, NULL if we failed
3162 core_startup_cb (void *cls, struct GNUNET_CORE_Handle *server,
3163 const struct GNUNET_PeerIdentity *my_identity)
3165 struct OverlayConnectContext *occ = cls;
3167 GNUNET_free_non_null (occ->emsg);
3168 occ->emsg = GNUNET_strdup ("Failed to connect to CORE\n");
3169 if ((NULL == server) || (NULL == my_identity))
3171 GNUNET_free (occ->emsg);
3174 memcpy (&occ->peer_identity, my_identity,
3175 sizeof (struct GNUNET_PeerIdentity));
3176 occ->peer->reference_cnt++;
3178 GNUNET_TRANSPORT_connect (occ->peer->details.local.cfg,
3179 &occ->peer_identity, NULL, NULL, NULL, NULL);
3180 if (NULL == occ->p1th)
3182 GNUNET_asprintf (&occ->emsg, "Cannot connect to TRANSPORT of peers %4s",
3183 GNUNET_i2s (&occ->peer_identity));
3186 LOG_DEBUG ("Acquiring HELLO of peer %s\n", GNUNET_i2s (&occ->peer_identity));
3187 occ->emsg = GNUNET_strdup ("Timeout while acquiring HELLO message");
3188 occ->ghh = GNUNET_TRANSPORT_get_hello (occ->p1th, &hello_update_cb, occ);
3192 GNUNET_SCHEDULER_cancel (occ->timeout_task);
3193 occ->timeout_task = GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3199 * Callback to be called when forwarded get peer config operation as part of
3200 * overlay connect is successfull. Connection to Peer 1's core is made and is
3201 * checked for new connection from peer 2
3203 * @param cls ForwardedOperationContext
3204 * @param msg the peer create success message
3207 overlay_connect_get_config (void *cls, const struct GNUNET_MessageHeader *msg)
3209 struct OverlayConnectContext *occ = cls;
3210 const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *cmsg;
3211 const struct GNUNET_CORE_MessageHandler no_handlers[] = {
3216 if (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG != ntohs (msg->type))
3218 cmsg = (const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *)
3220 memcpy (&occ->other_peer_identity, &cmsg->peer_identity,
3221 sizeof (struct GNUNET_PeerIdentity));
3222 GNUNET_free_non_null (occ->emsg);
3223 occ->emsg = GNUNET_strdup ("Timeout while connecting to CORE");
3224 occ->peer->reference_cnt++;
3226 GNUNET_CORE_connect (occ->peer->details.local.cfg, occ, &core_startup_cb,
3227 &overlay_connect_notify, NULL, NULL, GNUNET_NO, NULL,
3228 GNUNET_NO, no_handlers);
3229 if (NULL == occ->ch)
3234 GNUNET_SCHEDULER_cancel (occ->timeout_task);
3236 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3241 * Callback which will be called to after a host registration succeeded or failed
3243 * @param cls the RegisteredHostContext
3244 * @param emsg the error message; NULL if host registration is successful
3247 registeredhost_registration_completion (void *cls, const char *emsg)
3249 struct RegisteredHostContext *rhc = cls;
3250 struct GNUNET_CONFIGURATION_Handle *cfg;
3251 uint32_t peer2_host_id;
3253 /* if (NULL != rhc->focc_dll_head) */
3254 /* process_next_focc (rhc); */
3255 peer2_host_id = GNUNET_TESTBED_host_get_id_ (rhc->reg_host);
3256 GNUNET_assert (RHC_INIT == rhc->state);
3257 GNUNET_assert (NULL == rhc->sub_op);
3258 if ((NULL == rhc->gateway2)
3259 || ((peer2_host_id < slave_list_size) /* Check if we have the needed config */
3260 && (NULL != slave_list[peer2_host_id])))
3262 rhc->state = RHC_LINK;
3263 cfg = (NULL == rhc->gateway2) ? our_config : slave_list[peer2_host_id]->cfg;
3265 GNUNET_TESTBED_controller_link (rhc,
3266 rhc->gateway->controller,
3273 rhc->state = RHC_GET_CFG;
3274 rhc->sub_op = GNUNET_TESTBED_get_slave_config (rhc,
3275 rhc->gateway2->controller,
3281 * Iterator to match a registered host context
3283 * @param cls pointer 2 pointer of RegisteredHostContext
3284 * @param key current key code
3285 * @param value value in the hash map
3286 * @return GNUNET_YES if we should continue to
3291 reghost_match_iterator (void *cls,
3292 const struct GNUNET_HashCode * key,
3295 struct RegisteredHostContext **rh = cls;
3296 struct RegisteredHostContext *rh_val = value;
3298 if ((rh_val->host == (*rh)->host) && (rh_val->reg_host == (*rh)->reg_host))
3309 * Function to generate the hashcode corresponding to a RegisteredHostContext
3311 * @param reg_host the host which is being registered in RegisteredHostContext
3312 * @param host the host of the controller which has to connect to the above rhost
3313 * @return the hashcode
3315 static struct GNUNET_HashCode
3316 hash_hosts (struct GNUNET_TESTBED_Host *reg_host,
3317 struct GNUNET_TESTBED_Host *host)
3319 struct GNUNET_HashCode hash;
3320 uint32_t host_ids[2];
3322 host_ids[0] = GNUNET_TESTBED_host_get_id_ (reg_host);
3323 host_ids[1] = GNUNET_TESTBED_host_get_id_ (host);
3324 GNUNET_CRYPTO_hash (host_ids, sizeof (host_ids), &hash);
3330 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT messages
3333 * @param client identification of the client
3334 * @param message the actual message
3337 handle_overlay_connect (void *cls, struct GNUNET_SERVER_Client *client,
3338 const struct GNUNET_MessageHeader *message)
3340 const struct GNUNET_TESTBED_OverlayConnectMessage *msg;
3341 const struct GNUNET_CORE_MessageHandler no_handlers[] = {
3345 struct OverlayConnectContext *occ;
3346 struct GNUNET_TESTBED_Controller *peer2_controller;
3347 uint64_t operation_id;
3350 uint32_t peer2_host_id;
3352 msg = (const struct GNUNET_TESTBED_OverlayConnectMessage *) message;
3353 p1 = ntohl (msg->peer1);
3354 p2 = ntohl (msg->peer2);
3355 peer2_host_id = ntohl (msg->peer2_host_id);
3356 GNUNET_assert (p1 < peer_list_size);
3357 GNUNET_assert (NULL != peer_list[p1]);
3358 peer = peer_list[p1];
3359 operation_id = GNUNET_ntohll (msg->operation_id);
3360 LOG_DEBUG ("Received overlay connect for peers %u and %u with op id: 0x%lx\n",
3361 p1, p2, operation_id);
3362 if (GNUNET_YES == peer->is_remote)
3364 struct ForwardedOperationContext *fopc;
3365 struct Route *route_to_peer2_host;
3366 struct Route *route_to_peer1_host;
3368 LOG_DEBUG ("Forwarding overlay connect\n");
3369 route_to_peer2_host = NULL;
3370 route_to_peer1_host = NULL;
3371 route_to_peer2_host = find_dest_route (peer2_host_id);
3372 if ((NULL != route_to_peer2_host)
3373 || (peer2_host_id == master_context->host_id))
3375 /* Peer 2 either below us OR with us */
3376 route_to_peer1_host =
3377 find_dest_route (peer_list[p1]->details.remote.remote_host_id);
3378 /* Because we get this message only if we know where peer 1 is */
3379 GNUNET_assert (NULL != route_to_peer1_host);
3380 if ((peer2_host_id == master_context->host_id)
3381 || (route_to_peer2_host->dest != route_to_peer1_host->dest))
3383 /* Peer2 is either with us OR peer1 and peer2 can be reached through
3384 different gateways */
3385 struct GNUNET_HashCode hash;
3386 struct RegisteredHostContext *rhc;
3389 rhc = GNUNET_malloc (sizeof (struct RegisteredHostContext));
3390 if (NULL != route_to_peer2_host)
3391 rhc->reg_host = host_list[route_to_peer2_host->dest];
3393 rhc->reg_host = host_list[master_context->host_id];
3394 rhc->host = host_list[route_to_peer1_host->dest];
3395 GNUNET_assert (NULL != rhc->reg_host);
3396 GNUNET_assert (NULL != rhc->host);
3397 rhc->gateway = peer->details.remote.slave;
3398 rhc->gateway2 = (NULL == route_to_peer2_host) ? NULL :
3399 slave_list[route_to_peer2_host->dest];
3400 rhc->state = RHC_INIT;
3401 GNUNET_SERVER_client_keep (client);
3402 rhc->client = client;
3403 hash = hash_hosts (rhc->reg_host, rhc->host);
3404 skip_focc = GNUNET_NO;
3406 GNUNET_CONTAINER_multihashmap_contains
3407 (peer->details.remote.slave->reghost_map, &hash))
3408 || (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple
3409 (peer->details.remote.slave->reghost_map, &hash,
3410 reghost_match_iterator, &rhc)))
3412 /* create and add a new registerd host context */
3413 /* add the focc to its queue */
3414 GNUNET_CONTAINER_multihashmap_put
3415 (peer->details.remote.slave->reghost_map,
3416 &hash, rhc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
3417 GNUNET_assert (NULL != host_list[peer2_host_id]);
3418 queue_host_registration (peer->details.remote.slave,
3419 registeredhost_registration_completion, rhc,
3420 host_list[peer2_host_id]);
3423 /* rhc is now set to the existing one from the hash map by
3424 reghost_match_iterator() */
3425 /* if queue is empty then ignore creating focc and proceed with
3426 normal forwarding */
3427 if (RHC_OL_CONNECT == rhc->state)
3428 skip_focc = GNUNET_YES;
3430 if (GNUNET_NO == skip_focc)
3432 struct ForwardedOverlayConnectContext *focc;
3434 focc = GNUNET_malloc (sizeof (struct ForwardedOverlayConnectContext));
3437 focc->peer2_host_id = peer2_host_id;
3438 focc->orig_msg = GNUNET_copy_message (message);
3439 focc->operation_id = operation_id;
3440 GNUNET_CONTAINER_DLL_insert_tail (rhc->focc_dll_head,
3443 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3448 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
3449 GNUNET_SERVER_client_keep (client);
3450 fopc->client = client;
3451 fopc->operation_id = operation_id;
3452 fopc->type = OP_OVERLAY_CONNECT;
3454 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
3455 operation_id, message,
3456 &forwarded_operation_reply_relay,
3458 fopc->timeout_task =
3459 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
3461 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
3462 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3466 peer2_controller = NULL;
3467 if ((p2 >= peer_list_size) || (NULL == peer_list[p2]))
3469 if ((peer2_host_id >= slave_list_size)
3470 || (NULL ==slave_list[peer2_host_id]))
3472 LOG (GNUNET_ERROR_TYPE_WARNING,
3473 "Configuration of peer2's controller missing for connecting peers"
3474 "%u and %u\n", p1, p2);
3475 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3478 peer2_controller = slave_list[peer2_host_id]->controller;
3479 if (NULL == peer2_controller)
3481 GNUNET_break (0); /* What's going on? */
3482 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3488 if (GNUNET_YES == peer_list[p2]->is_remote)
3489 peer2_controller = peer_list[p2]->details.remote.slave->controller;
3491 occ = GNUNET_malloc (sizeof (struct OverlayConnectContext));
3492 GNUNET_CONTAINER_DLL_insert_tail (occq_head, occq_tail, occ);
3493 GNUNET_SERVER_client_keep (client);
3494 occ->client = client;
3496 occ->other_peer_id = p2;
3497 occ->peer = peer_list[p1];
3498 occ->op_id = GNUNET_ntohll (msg->operation_id);
3499 occ->peer2_controller = peer2_controller;
3500 /* Get the identity of the second peer */
3501 if (NULL != occ->peer2_controller)
3503 struct GNUNET_TESTBED_PeerGetConfigurationMessage cmsg;
3506 htons (sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage));
3507 cmsg.header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG);
3508 cmsg.peer_id = msg->peer2;
3509 cmsg.operation_id = msg->operation_id;
3511 GNUNET_TESTBED_forward_operation_msg_ (occ->peer2_controller,
3512 occ->op_id, &cmsg.header,
3513 &overlay_connect_get_config,
3516 GNUNET_strdup ("Timeout while getting peer identity of peer B\n");
3518 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
3519 (GNUNET_TIME_UNIT_SECONDS, 30),
3520 &timeout_overlay_connect, occ);
3521 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3524 GNUNET_TESTING_peer_get_identity (peer_list[occ->other_peer_id]->details.local.peer,
3525 &occ->other_peer_identity);
3526 /* Connect to the core of 1st peer and wait for the 2nd peer to connect */
3527 occ->emsg = GNUNET_strdup ("Timeout while connecting to CORE");
3528 occ->peer->reference_cnt++;
3530 GNUNET_CORE_connect (occ->peer->details.local.cfg, occ, &core_startup_cb,
3531 &overlay_connect_notify, NULL, NULL, GNUNET_NO, NULL,
3532 GNUNET_NO, no_handlers);
3533 if (NULL == occ->ch)
3535 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3538 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
3539 (GNUNET_TIME_UNIT_SECONDS, 30),
3540 &timeout_overlay_connect, occ);
3541 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3546 * Function to cleanup RequestOverlayConnectContext and any associated tasks
3549 * @param rocc the RequestOverlayConnectContext
3552 cleanup_rocc (struct RequestOverlayConnectContext *rocc)
3554 LOG_DEBUG ("Cleaning up rocc\n");
3555 if (GNUNET_SCHEDULER_NO_TASK != rocc->attempt_connect_task_id)
3556 GNUNET_SCHEDULER_cancel (rocc->attempt_connect_task_id);
3557 if (GNUNET_SCHEDULER_NO_TASK != rocc->timeout_rocc_task_id)
3558 GNUNET_SCHEDULER_cancel (rocc->timeout_rocc_task_id);
3559 if (NULL != rocc->ohh)
3560 GNUNET_TRANSPORT_offer_hello_cancel (rocc->ohh);
3561 if (NULL != rocc->tcc.tch)
3562 GNUNET_TRANSPORT_try_connect_cancel (rocc->tcc.tch);
3563 if (GNUNET_SCHEDULER_NO_TASK != rocc->tcc.task)
3564 GNUNET_SCHEDULER_cancel (rocc->tcc.task);
3565 GNUNET_TRANSPORT_disconnect (rocc->tcc.th);
3566 rocc->peer->reference_cnt--;
3567 if ((GNUNET_YES == rocc->peer->destroy_flag)
3568 && (0 == rocc->peer->reference_cnt))
3569 destroy_peer (rocc->peer);
3570 GNUNET_free_non_null (rocc->hello);
3571 GNUNET_CONTAINER_DLL_remove (roccq_head, roccq_tail, rocc);
3577 * Task to timeout rocc and cleanit up
3579 * @param cls the RequestOverlayConnectContext
3580 * @param tc the TaskContext from scheduler
3583 timeout_rocc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3585 struct RequestOverlayConnectContext *rocc = cls;
3587 rocc->timeout_rocc_task_id = GNUNET_SCHEDULER_NO_TASK;
3588 cleanup_rocc (rocc);
3593 * Function called to notify transport users that another
3594 * peer connected to us.
3596 * @param cls closure
3597 * @param new_peer the peer that connected
3598 * @param ats performance data
3599 * @param ats_count number of entries in ats (excluding 0-termination)
3602 transport_connect_notify (void *cls, const struct GNUNET_PeerIdentity *new_peer,
3603 const struct GNUNET_ATS_Information * ats,
3606 struct RequestOverlayConnectContext *rocc = cls;
3608 LOG_DEBUG ("Request Overlay connect notify\n");
3609 if (0 != memcmp (new_peer, &rocc->a_id, sizeof (struct GNUNET_PeerIdentity)))
3611 LOG_DEBUG ("Peer %4s connected\n", GNUNET_i2s (&rocc->a_id));
3612 cleanup_rocc (rocc);
3617 * Task to offer the HELLO message to the peer and ask it to connect to the peer
3618 * whose identity is in RequestOverlayConnectContext
3620 * @param cls the RequestOverlayConnectContext
3621 * @param tc the TaskContext from scheduler
3624 attempt_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
3628 * Task that is run when hello has been sent
3630 * @param cls the overlay connect context
3631 * @param tc the scheduler task context; if tc->reason =
3632 * GNUNET_SCHEDULER_REASON_TIMEOUT then sending HELLO failed; if
3633 * GNUNET_SCHEDULER_REASON_READ_READY is succeeded
3636 rocc_hello_sent_cb (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3638 struct RequestOverlayConnectContext *rocc = cls;
3641 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == rocc->attempt_connect_task_id);
3642 if (GNUNET_SCHEDULER_REASON_TIMEOUT == tc->reason)
3645 rocc->attempt_connect_task_id =
3646 GNUNET_SCHEDULER_add_now (&attempt_connect_task,
3650 if (GNUNET_SCHEDULER_REASON_READ_READY != tc->reason)
3652 rocc->tcc.task = GNUNET_SCHEDULER_add_now (&try_connect_task, &rocc->tcc);
3657 * Task to offer the HELLO message to the peer and ask it to connect to the peer
3658 * whose identity is in RequestOverlayConnectContext
3660 * @param cls the RequestOverlayConnectContext
3661 * @param tc the TaskContext from scheduler
3664 attempt_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3666 struct RequestOverlayConnectContext *rocc = cls;
3668 rocc->attempt_connect_task_id = GNUNET_SCHEDULER_NO_TASK;
3669 rocc->ohh = GNUNET_TRANSPORT_offer_hello (rocc->tcc.th, rocc->hello,
3670 rocc_hello_sent_cb, rocc);
3671 if (NULL == rocc->ohh)
3672 rocc->attempt_connect_task_id =
3673 GNUNET_SCHEDULER_add_delayed
3674 (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
3675 100 + GNUNET_CRYPTO_random_u32
3676 (GNUNET_CRYPTO_QUALITY_WEAK, 500)),
3677 &attempt_connect_task, rocc);
3682 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT messages
3685 * @param client identification of the client
3686 * @param message the actual message
3689 handle_overlay_request_connect (void *cls, struct GNUNET_SERVER_Client *client,
3690 const struct GNUNET_MessageHeader *message)
3692 const struct GNUNET_TESTBED_RequestConnectMessage *msg;
3693 struct RequestOverlayConnectContext *rocc;
3699 msize = ntohs (message->size);
3700 if (sizeof (struct GNUNET_TESTBED_RequestConnectMessage) >= msize)
3703 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3706 msg = (const struct GNUNET_TESTBED_RequestConnectMessage *) message;
3707 if ((NULL == msg->hello) ||
3708 (GNUNET_MESSAGE_TYPE_HELLO != ntohs (msg->hello->type)))
3711 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3714 hsize = ntohs (msg->hello->size);
3715 if ((sizeof (struct GNUNET_TESTBED_RequestConnectMessage) + hsize) != msize)
3718 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3721 peer_id = ntohl (msg->peer);
3722 if ((peer_id >= peer_list_size) || (NULL == (peer = peer_list[peer_id])))
3724 GNUNET_break_op (0);
3725 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3728 if (GNUNET_YES == peer->is_remote)
3730 struct GNUNET_MessageHeader *msg2;
3732 msg2 = GNUNET_copy_message (message);
3733 GNUNET_TESTBED_queue_message_ (peer->details.remote.slave->controller, msg2);
3734 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3737 rocc = GNUNET_malloc (sizeof (struct RequestOverlayConnectContext));
3738 GNUNET_CONTAINER_DLL_insert_tail (roccq_head, roccq_tail, rocc);
3740 rocc->peer->reference_cnt++;
3741 rocc->tcc.th = GNUNET_TRANSPORT_connect (rocc->peer->details.local.cfg, NULL, rocc,
3742 NULL, &transport_connect_notify, NULL);
3743 if (NULL == rocc->tcc.th)
3747 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3750 memcpy (&rocc->a_id, &msg->peer_identity,
3751 sizeof (struct GNUNET_PeerIdentity));
3752 rocc->tcc.pid = &rocc->a_id;
3753 rocc->hello = GNUNET_malloc (hsize);
3754 memcpy (rocc->hello, msg->hello, hsize);
3755 rocc->attempt_connect_task_id =
3756 GNUNET_SCHEDULER_add_now (&attempt_connect_task, rocc);
3757 rocc->timeout_rocc_task_id =
3758 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_rocc_task, rocc);
3759 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3764 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG messages
3767 * @param client identification of the client
3768 * @param message the actual message
3771 handle_slave_get_config (void *cls, struct GNUNET_SERVER_Client *client,
3772 const struct GNUNET_MessageHeader *message)
3774 struct GNUNET_TESTBED_SlaveGetConfigurationMessage *msg;
3775 struct Slave *slave;
3776 struct GNUNET_TESTBED_SlaveConfiguration *reply;
3780 size_t xconfig_size;
3785 msg = (struct GNUNET_TESTBED_SlaveGetConfigurationMessage *) message;
3786 slave_id = ntohl (msg->slave_id);
3787 op_id = GNUNET_ntohll (msg->operation_id);
3788 if ((slave_list_size <= slave_id) || (NULL == slave_list[slave_id]))
3790 /* FIXME: Add forwardings for this type of message here.. */
3791 send_operation_fail_msg (client, op_id, "Slave not found");
3792 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3795 slave = slave_list[slave_id];
3796 if (NULL == slave->cfg)
3798 send_operation_fail_msg (client, op_id,
3799 "Configuration not found (slave not started by me)");
3800 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3803 config = GNUNET_CONFIGURATION_serialize (slave->cfg, &config_size);
3804 xconfig_size = GNUNET_TESTBED_compress_config_ (config, config_size,
3806 GNUNET_free (config);
3807 reply_size = xconfig_size + sizeof (struct GNUNET_TESTBED_SlaveConfiguration);
3808 GNUNET_break (reply_size <= UINT16_MAX);
3809 GNUNET_break (config_size <= UINT16_MAX);
3810 reply = GNUNET_realloc (xconfig, reply_size);
3811 (void) memmove (&reply[1], reply, xconfig_size);
3812 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_SLAVECONFIG);
3813 reply->header.size = htons ((uint16_t) reply_size);
3814 reply->slave_id = msg->slave_id;
3815 reply->operation_id = msg->operation_id;
3816 reply->config_size = htons ((uint16_t) config_size);
3817 queue_message (client, &reply->header);
3818 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3823 * Iterator over hash map entries.
3825 * @param cls closure
3826 * @param key current key code
3827 * @param value value in the hash map
3828 * @return GNUNET_YES if we should continue to
3833 ss_map_free_iterator (void *cls, const struct GNUNET_HashCode *key, void *value)
3835 struct SharedService *ss = value;
3837 GNUNET_assert (GNUNET_YES ==
3838 GNUNET_CONTAINER_multihashmap_remove (ss_map, key, value));
3839 GNUNET_free (ss->name);
3846 * Iterator for freeing hash map entries in a slave's reghost_map
3848 * @param cls handle to the slave
3849 * @param key current key code
3850 * @param value value in the hash map
3851 * @return GNUNET_YES if we should continue to
3856 reghost_free_iterator (void *cls,
3857 const struct GNUNET_HashCode * key,
3860 struct Slave *slave = cls;
3861 struct RegisteredHostContext *rhc = value;
3862 struct ForwardedOverlayConnectContext *focc;
3864 GNUNET_assert (GNUNET_YES ==
3865 GNUNET_CONTAINER_multihashmap_remove (slave->reghost_map,
3867 while (NULL != (focc = rhc->focc_dll_head))
3869 GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head,
3872 cleanup_focc (focc);
3874 if (NULL != rhc->sub_op)
3875 GNUNET_TESTBED_operation_done (rhc->sub_op);
3876 if (NULL != rhc->client)
3877 GNUNET_SERVER_client_drop (rhc->client);
3878 GNUNET_free (value);
3884 * Task to clean up and shutdown nicely
3887 * @param tc the TaskContext from scheduler
3890 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3892 struct LCFContextQueue *lcfq;
3893 struct OverlayConnectContext *occ;
3894 struct RequestOverlayConnectContext *rocc;
3895 struct ForwardedOperationContext *fopc;
3896 struct MessageQueue *mq_entry;
3899 shutdown_task_id = GNUNET_SCHEDULER_NO_TASK;
3900 LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down testbed service\n");
3901 (void) GNUNET_CONTAINER_multihashmap_iterate (ss_map, &ss_map_free_iterator,
3903 GNUNET_CONTAINER_multihashmap_destroy (ss_map);
3904 /* cleanup any remaining forwarded operations */
3905 while (NULL != (fopc = fopcq_head))
3907 GNUNET_CONTAINER_DLL_remove (fopcq_head, fopcq_tail, fopc);
3908 GNUNET_TESTBED_forward_operation_msg_cancel_ (fopc->opc);
3909 if (GNUNET_SCHEDULER_NO_TASK != fopc->timeout_task)
3910 GNUNET_SCHEDULER_cancel (fopc->timeout_task);
3911 GNUNET_SERVER_client_drop (fopc->client);
3914 case OP_PEER_CREATE:
3915 GNUNET_free (fopc->cls);
3919 case OP_PEER_DESTROY:
3921 case OP_OVERLAY_CONNECT:
3922 case OP_LINK_CONTROLLERS:
3923 case OP_GET_SLAVE_CONFIG:
3930 if (NULL != lcfq_head)
3932 if (GNUNET_SCHEDULER_NO_TASK != lcf_proc_task_id)
3934 GNUNET_SCHEDULER_cancel (lcf_proc_task_id);
3935 lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
3938 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
3939 for (lcfq = lcfq_head; NULL != lcfq; lcfq = lcfq_head)
3941 GNUNET_free (lcfq->lcf->msg);
3942 GNUNET_free (lcfq->lcf);
3943 GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
3946 while (NULL != (occ = occq_head))
3948 while (NULL != (rocc = roccq_head))
3949 cleanup_rocc (rocc);
3950 /* Clear peer list */
3951 for (id = 0; id < peer_list_size; id++)
3952 if (NULL != peer_list[id])
3954 /* If destroy flag is set it means that this peer should have been
3955 destroyed by a context which we destroy before */
3956 GNUNET_break (GNUNET_NO == peer_list[id]->destroy_flag);
3957 /* counter should be zero as we free all contexts before */
3958 GNUNET_break (0 == peer_list[id]->reference_cnt);
3959 if ( (GNUNET_NO == peer_list[id]->is_remote)
3960 && (GNUNET_YES == peer_list[id]->details.local.is_running))
3961 GNUNET_TESTING_peer_kill (peer_list[id]->details.local.peer);
3963 for (id = 0; id < peer_list_size; id++)
3964 if (NULL != peer_list[id])
3966 if (GNUNET_NO == peer_list[id]->is_remote)
3968 if (GNUNET_YES == peer_list[id]->details.local.is_running)
3969 GNUNET_TESTING_peer_wait (peer_list[id]->details.local.peer);
3970 GNUNET_TESTING_peer_destroy (peer_list[id]->details.local.peer);
3971 GNUNET_CONFIGURATION_destroy (peer_list[id]->details.local.cfg);
3973 GNUNET_free (peer_list[id]);
3975 GNUNET_free_non_null (peer_list);
3976 /* Clear host list */
3977 for (id = 0; id < host_list_size; id++)
3978 if (NULL != host_list[id])
3979 GNUNET_TESTBED_host_destroy (host_list[id]);
3980 GNUNET_free_non_null (host_list);
3981 /* Clear route list */
3982 for (id = 0; id < route_list_size; id++)
3983 if (NULL != route_list[id])
3984 GNUNET_free (route_list[id]);
3985 GNUNET_free_non_null (route_list);
3986 /* Clear slave_list */
3987 for (id = 0; id < slave_list_size; id++)
3988 if (NULL != slave_list[id])
3990 struct HostRegistration *hr_entry;
3992 while (NULL != (hr_entry = slave_list[id]->hr_dll_head))
3994 GNUNET_CONTAINER_DLL_remove (slave_list[id]->hr_dll_head,
3995 slave_list[id]->hr_dll_tail,
3997 GNUNET_free (hr_entry);
3999 if (NULL != slave_list[id]->rhandle)
4000 GNUNET_TESTBED_cancel_registration (slave_list[id]->rhandle);
4001 (void) GNUNET_CONTAINER_multihashmap_iterate (slave_list[id]->reghost_map,
4002 reghost_free_iterator,
4004 GNUNET_CONTAINER_multihashmap_destroy (slave_list[id]->reghost_map);
4005 if (NULL != slave_list[id]->cfg)
4006 GNUNET_CONFIGURATION_destroy (slave_list[id]->cfg);
4007 if (NULL != slave_list[id]->controller)
4008 GNUNET_TESTBED_controller_disconnect (slave_list[id]->controller);
4009 if (NULL != slave_list[id]->controller_proc)
4010 GNUNET_TESTBED_controller_stop (slave_list[id]->controller_proc);
4011 GNUNET_free (slave_list[id]);
4013 GNUNET_free_non_null (slave_list);
4014 if (NULL != master_context)
4016 GNUNET_free_non_null (master_context->master_ip);
4017 if (NULL != master_context->system)
4018 GNUNET_TESTING_system_destroy (master_context->system, GNUNET_YES);
4019 GNUNET_SERVER_client_drop (master_context->client);
4020 GNUNET_free (master_context);
4021 master_context = NULL;
4023 if (NULL != transmit_handle)
4024 GNUNET_SERVER_notify_transmit_ready_cancel (transmit_handle);
4025 while (NULL != (mq_entry = mq_head))
4027 GNUNET_free (mq_entry->msg);
4028 GNUNET_SERVER_client_drop (mq_entry->client);
4029 GNUNET_CONTAINER_DLL_remove (mq_head, mq_tail, mq_entry);
4030 GNUNET_free (mq_entry);
4032 GNUNET_free_non_null (hostname);
4033 GNUNET_CONFIGURATION_destroy (our_config);
4038 * Callback for client disconnect
4041 * @param client the client which has disconnected
4044 client_disconnect_cb (void *cls, struct GNUNET_SERVER_Client *client)
4046 if (NULL == master_context)
4048 if (client == master_context->client)
4050 LOG (GNUNET_ERROR_TYPE_DEBUG, "Master client disconnected\n");
4051 /* should not be needed as we're terminated by failure to read
4052 * from stdin, but if stdin fails for some reason, this shouldn't
4053 * hurt for now --- might need to revise this later if we ever
4054 * decide that master connections might be temporarily down
4055 * for some reason */
4056 //GNUNET_SCHEDULER_shutdown ();
4064 * @param cls closure
4065 * @param server the initialized server
4066 * @param cfg configuration to use
4069 testbed_run (void *cls, struct GNUNET_SERVER_Handle *server,
4070 const struct GNUNET_CONFIGURATION_Handle *cfg)
4072 static const struct GNUNET_SERVER_MessageHandler message_handlers[] = {
4073 {&handle_init, NULL, GNUNET_MESSAGE_TYPE_TESTBED_INIT, 0},
4074 {&handle_add_host, NULL, GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST, 0},
4075 {&handle_configure_shared_service, NULL,
4076 GNUNET_MESSAGE_TYPE_TESTBED_SERVICESHARE, 0},
4077 {&handle_link_controllers, NULL,
4078 GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS, 0},
4079 {&handle_peer_create, NULL, GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER, 0},
4080 {&handle_peer_destroy, NULL, GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER,
4081 sizeof (struct GNUNET_TESTBED_PeerDestroyMessage)},
4082 {&handle_peer_start, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STARTPEER,
4083 sizeof (struct GNUNET_TESTBED_PeerStartMessage)},
4084 {&handle_peer_stop, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STOPPEER,
4085 sizeof (struct GNUNET_TESTBED_PeerStopMessage)},
4086 {&handle_peer_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG,
4087 sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage)},
4088 {&handle_overlay_connect, NULL, GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT,
4089 sizeof (struct GNUNET_TESTBED_OverlayConnectMessage)},
4090 {&handle_overlay_request_connect, NULL, GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT,
4092 {handle_slave_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG,
4093 sizeof (struct GNUNET_TESTBED_SlaveGetConfigurationMessage)},
4097 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string
4098 (cfg, "testbed", "HOSTNAME", &hostname));
4099 our_config = GNUNET_CONFIGURATION_dup (cfg);
4100 GNUNET_SERVER_add_handlers (server, message_handlers);
4101 GNUNET_SERVER_disconnect_notify (server, &client_disconnect_cb, NULL);
4102 ss_map = GNUNET_CONTAINER_multihashmap_create (5, GNUNET_NO);
4104 GNUNET_SCHEDULER_add_delayed_with_priority (GNUNET_TIME_UNIT_FOREVER_REL,
4105 GNUNET_SCHEDULER_PRIORITY_IDLE,
4106 &shutdown_task, NULL);
4107 LOG_DEBUG ("Testbed startup complete\n");
4108 event_mask = 1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED;
4113 * The starting point of execution
4116 main (int argc, char *const *argv)
4118 //sleep (15); /* Debugging */
4119 return (GNUNET_OK ==
4120 GNUNET_SERVICE_run (argc, argv, "testbed", GNUNET_SERVICE_OPTION_NONE,
4121 &testbed_run, NULL)) ? 0 : 1;
4124 /* end of gnunet-service-testbed.c */