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,
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22 * @file testbed/gnunet-service-testbed.c
23 * @brief implementation of the TESTBED service
24 * @author Sree Harsha Totakura
28 #include "gnunet_service_lib.h"
29 #include "gnunet_server_lib.h"
30 #include "gnunet_transport_service.h"
31 #include "gnunet_core_service.h"
32 #include "gnunet_hello_lib.h"
35 #include "gnunet_testbed_service.h"
37 #include "testbed_api.h"
38 #include "testbed_api_hosts.h"
39 #include "gnunet_testing_lib.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 unsigned int host_list_size;
926 * The size of the route list
928 static unsigned int route_list_size;
931 * The size of directly linked neighbours list
933 static unsigned int slave_list_size;
936 * The size of the peer list
938 static unsigned int 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_array_grow(); however instead of calling GNUNET_array_grow()
1028 * several times we call it only once. The array is also made to grow in steps
1029 * of LIST_GROW_STEP.
1031 * @param ptr the array pointer to grow
1032 * @param size the size of array
1033 * @param accommodate_size the size which the array has to accommdate; after
1034 * this call the array will be big enough to accommdate sizes upto
1037 #define array_grow_large_enough(ptr, size, accommodate_size) \
1040 unsigned int growth_size; \
1041 GNUNET_assert (size <= accommodate_size); \
1042 growth_size = size; \
1043 while (growth_size <= accommodate_size) \
1044 growth_size += LIST_GROW_STEP; \
1045 GNUNET_array_grow (ptr, size, growth_size); \
1046 GNUNET_assert (size > accommodate_size); \
1051 * Function to add a host to the current list of known hosts
1053 * @param host the host to add
1054 * @return GNUNET_OK on success; GNUNET_SYSERR on failure due to host-id
1058 host_list_add (struct GNUNET_TESTBED_Host *host)
1062 host_id = GNUNET_TESTBED_host_get_id_ (host);
1063 if (host_list_size <= host_id)
1064 array_grow_large_enough (host_list, host_list_size, host_id);
1065 if (NULL != host_list[host_id])
1067 LOG_DEBUG ("A host with id: %u already exists\n", host_id);
1068 return GNUNET_SYSERR;
1070 host_list[host_id] = host;
1076 * Adds a route to the route list
1078 * @param route the route to add
1081 route_list_add (struct Route *route)
1083 if (route->dest >= route_list_size)
1084 array_grow_large_enough (route_list, route_list_size, route->dest);
1085 GNUNET_assert (NULL == route_list[route->dest]);
1086 route_list[route->dest] = route;
1091 * Adds a slave to the slave array
1093 * @param slave the slave controller to add
1096 slave_list_add (struct Slave *slave)
1098 if (slave->host_id >= slave_list_size)
1099 array_grow_large_enough (slave_list, slave_list_size, slave->host_id);
1100 GNUNET_assert (NULL == slave_list[slave->host_id]);
1101 slave_list[slave->host_id] = slave;
1106 * Adds a peer to the peer array
1108 * @param peer the peer to add
1111 peer_list_add (struct Peer *peer)
1113 if (peer->id >= peer_list_size)
1114 array_grow_large_enough (peer_list, peer_list_size, peer->id);
1115 GNUNET_assert (NULL == peer_list[peer->id]);
1116 peer_list[peer->id] = peer;
1121 * Removes a the give peer from the peer array
1123 * @param peer the peer to be removed
1126 peer_list_remove (struct Peer *peer)
1128 unsigned int orig_size;
1131 peer_list[peer->id] = NULL;
1132 orig_size = peer_list_size;
1133 while (peer_list_size >= LIST_GROW_STEP)
1135 for (id = peer_list_size - 1;
1136 (id >= peer_list_size - LIST_GROW_STEP) && (id != UINT32_MAX); id--)
1137 if (NULL != peer_list[id])
1139 if (id != ((peer_list_size - LIST_GROW_STEP) - 1))
1141 peer_list_size -= LIST_GROW_STEP;
1143 if (orig_size == peer_list_size)
1146 GNUNET_realloc (peer_list, sizeof (struct Peer *) * peer_list_size);
1151 * Finds the route with directly connected host as destination through which
1152 * the destination host can be reached
1154 * @param host_id the id of the destination host
1155 * @return the route with directly connected destination host; NULL if no route
1158 static struct Route *
1159 find_dest_route (uint32_t host_id)
1161 struct Route *route;
1163 if (route_list_size <= host_id)
1165 while (NULL != (route = route_list[host_id]))
1167 if (route->thru == master_context->host_id)
1169 host_id = route->thru;
1176 * Routes message to a host given its host_id
1178 * @param host_id the id of the destination host
1179 * @param msg the message to be routed
1182 route_message (uint32_t host_id, const struct GNUNET_MessageHeader *msg)
1189 * Send operation failure message to client
1191 * @param client the client to which the failure message has to be sent to
1192 * @param operation_id the id of the failed operation
1193 * @param emsg the error message; can be NULL
1196 send_operation_fail_msg (struct GNUNET_SERVER_Client *client,
1197 uint64_t operation_id, const char *emsg)
1199 struct GNUNET_TESTBED_OperationFailureEventMessage *msg;
1203 msize = sizeof (struct GNUNET_TESTBED_OperationFailureEventMessage);
1204 emsg_len = (NULL == emsg) ? 0 : strlen (emsg) + 1;
1206 msg = GNUNET_malloc (msize);
1207 msg->header.size = htons (msize);
1208 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_OPERATIONFAILEVENT);
1209 msg->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
1210 msg->operation_id = GNUNET_htonll (operation_id);
1212 memcpy (&msg[1], emsg, emsg_len);
1213 queue_message (client, &msg->header);
1218 * Function to send generic operation success message to given client
1220 * @param client the client to send the message to
1221 * @param operation_id the id of the operation which was successful
1224 send_operation_success_msg (struct GNUNET_SERVER_Client *client,
1225 uint64_t operation_id)
1227 struct GNUNET_TESTBED_GenericOperationSuccessEventMessage *msg;
1230 msize = sizeof (struct GNUNET_TESTBED_GenericOperationSuccessEventMessage);
1231 msg = GNUNET_malloc (msize);
1232 msg->header.size = htons (msize);
1233 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GENERICOPSUCCESS);
1234 msg->operation_id = GNUNET_htonll (operation_id);
1235 msg->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
1236 queue_message (client, &msg->header);
1241 * Callback which will be called to after a host registration succeeded or failed
1243 * @param cls the handle to the slave at which the registration is completed
1244 * @param emsg the error message; NULL if host registration is successful
1247 hr_completion (void *cls, const char *emsg);
1251 * Attempts to register the next host in the host registration queue
1253 * @param slave the slave controller whose host registration queue is checked
1254 * for host registrations
1257 register_next_host (struct Slave *slave)
1259 struct HostRegistration *hr;
1261 hr = slave->hr_dll_head;
1262 GNUNET_assert (NULL != hr);
1263 GNUNET_assert (NULL == slave->rhandle);
1264 LOG (GNUNET_ERROR_TYPE_DEBUG,
1265 "Registering host %u at %u\n",
1266 GNUNET_TESTBED_host_get_id_ (hr->host),
1267 GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
1268 slave->rhandle = GNUNET_TESTBED_register_host (slave->controller,
1276 * Callback which will be called to after a host registration succeeded or failed
1278 * @param cls the handle to the slave at which the registration is completed
1279 * @param emsg the error message; NULL if host registration is successful
1282 hr_completion (void *cls, const char *emsg)
1284 struct Slave *slave = cls;
1285 struct HostRegistration *hr;
1287 slave->rhandle = NULL;
1288 hr = slave->hr_dll_head;
1289 GNUNET_assert (NULL != hr);
1290 LOG (GNUNET_ERROR_TYPE_DEBUG,
1291 "Registering host %u at %u successful\n",
1292 GNUNET_TESTBED_host_get_id_ (hr->host),
1293 GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
1294 GNUNET_CONTAINER_DLL_remove (slave->hr_dll_head,
1298 hr->cb (hr->cb_cls, emsg);
1300 if (NULL != slave->hr_dll_head)
1301 register_next_host (slave);
1306 * Adds a host registration's request to a slave's registration queue
1308 * @param slave the slave controller at which the given host has to be
1310 * @param cb the host registration completion callback
1311 * @param cb_cls the closure for the host registration completion callback
1312 * @param host the host which has to be registered
1315 queue_host_registration (struct Slave *slave,
1316 GNUNET_TESTBED_HostRegistrationCompletion cb,
1318 struct GNUNET_TESTBED_Host *host)
1320 struct HostRegistration *hr;
1323 LOG (GNUNET_ERROR_TYPE_DEBUG,
1324 "Queueing host registration for host %u at %u\n",
1325 GNUNET_TESTBED_host_get_id_ (host),
1326 GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
1327 hr = GNUNET_malloc (sizeof (struct HostRegistration));
1329 hr->cb_cls = cb_cls;
1331 call_register = (NULL == slave->hr_dll_head) ? GNUNET_YES : GNUNET_NO;
1332 GNUNET_CONTAINER_DLL_insert_tail (slave->hr_dll_head,
1335 if (GNUNET_YES == call_register)
1336 register_next_host (slave);
1341 * The Link Controller forwarding task
1343 * @param cls the LCFContext
1344 * @param tc the Task context from scheduler
1347 lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1351 * Completion callback for host registrations while forwarding Link Controller messages
1353 * @param cls the LCFContext
1354 * @param emsg the error message; NULL if host registration is successful
1357 lcf_proc_cc (void *cls, const char *emsg)
1359 struct LCFContext *lcf = cls;
1361 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
1366 goto registration_error;
1367 lcf->state = DELEGATED_HOST_REGISTERED;
1368 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1370 case DELEGATED_HOST_REGISTERED:
1372 goto registration_error;
1373 lcf->state = SLAVE_HOST_REGISTERED;
1374 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1377 GNUNET_assert (0); /* Shouldn't reach here */
1382 LOG (GNUNET_ERROR_TYPE_WARNING, "Host registration failed with message: %s\n",
1384 lcf->state = FINISHED;
1385 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1390 * Callback to relay the reply msg of a forwarded operation back to the client
1392 * @param cls ForwardedOperationContext
1393 * @param msg the message to relay
1396 forwarded_operation_reply_relay (void *cls,
1397 const struct GNUNET_MessageHeader *msg)
1399 struct ForwardedOperationContext *fopc = cls;
1400 struct GNUNET_MessageHeader *dup_msg;
1403 msize = ntohs (msg->size);
1404 LOG_DEBUG ("Relaying message with type: %u, size: %u\n", ntohs (msg->type),
1406 dup_msg = GNUNET_copy_message (msg);
1407 queue_message (fopc->client, dup_msg);
1408 GNUNET_SERVER_client_drop (fopc->client);
1409 GNUNET_SCHEDULER_cancel (fopc->timeout_task);
1410 GNUNET_CONTAINER_DLL_remove (fopcq_head, fopcq_tail, fopc);
1416 * Task to free resources when forwarded operation has been timedout
1418 * @param cls the ForwardedOperationContext
1419 * @param tc the task context from scheduler
1422 forwarded_operation_timeout (void *cls,
1423 const struct GNUNET_SCHEDULER_TaskContext *tc)
1425 struct ForwardedOperationContext *fopc = cls;
1427 GNUNET_TESTBED_forward_operation_msg_cancel_ (fopc->opc);
1428 LOG (GNUNET_ERROR_TYPE_WARNING, "A forwarded operation has timed out\n");
1429 send_operation_fail_msg (fopc->client, fopc->operation_id, "Timeout");
1430 GNUNET_SERVER_client_drop (fopc->client);
1431 GNUNET_CONTAINER_DLL_remove (fopcq_head, fopcq_tail, fopc);
1437 * The Link Controller forwarding task
1439 * @param cls the LCFContext
1440 * @param tc the Task context from scheduler
1443 lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1447 * Callback to be called when forwarded link controllers operation is
1448 * successfull. We have to relay the reply msg back to the client
1450 * @param cls the LCFContext
1451 * @param msg the message to relay
1454 lcf_forwarded_operation_reply_relay (void *cls,
1455 const struct GNUNET_MessageHeader *msg)
1457 struct LCFContext *lcf = cls;
1459 GNUNET_assert (NULL != lcf->fopc);
1460 forwarded_operation_reply_relay (lcf->fopc, msg);
1462 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
1463 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1468 * Task to free resources when forwarded link controllers has been timedout
1470 * @param cls the LCFContext
1471 * @param tc the task context from scheduler
1474 lcf_forwarded_operation_timeout (void *cls,
1475 const struct GNUNET_SCHEDULER_TaskContext *tc)
1477 struct LCFContext *lcf = cls;
1479 GNUNET_assert (NULL != lcf->fopc);
1480 lcf->fopc->timeout_task = GNUNET_SCHEDULER_NO_TASK;
1481 forwarded_operation_timeout (lcf->fopc, tc);
1483 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
1484 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1489 * The Link Controller forwarding task
1491 * @param cls the LCFContext
1492 * @param tc the Task context from scheduler
1495 lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1497 struct LCFContext *lcf = cls;
1498 struct LCFContextQueue *lcfq;
1500 lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
1505 GNUNET_TESTBED_is_host_registered_ (host_list[lcf->delegated_host_id],
1506 lcf->gateway->controller))
1508 queue_host_registration (lcf->gateway,
1510 host_list[lcf->delegated_host_id]);
1514 lcf->state = DELEGATED_HOST_REGISTERED;
1515 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1518 case DELEGATED_HOST_REGISTERED:
1520 GNUNET_TESTBED_is_host_registered_ (host_list[lcf->slave_host_id],
1521 lcf->gateway->controller))
1523 queue_host_registration (lcf->gateway,
1525 host_list[lcf->slave_host_id]);
1529 lcf->state = SLAVE_HOST_REGISTERED;
1530 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
1533 case SLAVE_HOST_REGISTERED:
1534 lcf->fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
1535 lcf->fopc->client = lcf->client;
1536 lcf->fopc->operation_id = lcf->operation_id;
1537 lcf->fopc->type = OP_LINK_CONTROLLERS;
1539 GNUNET_TESTBED_forward_operation_msg_ (lcf->gateway->controller,
1542 &lcf_forwarded_operation_reply_relay,
1544 lcf->fopc->timeout_task =
1545 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &lcf_forwarded_operation_timeout,
1547 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, lcf->fopc);
1548 lcf->state = FINISHED;
1552 GNUNET_assert (lcfq->lcf == lcf);
1553 GNUNET_free (lcf->msg);
1555 GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
1557 if (NULL != lcfq_head)
1559 GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcfq_head->lcf);
1565 * Cleans up ForwardedOverlayConnectContext
1567 * @param focc the ForwardedOverlayConnectContext to cleanup
1570 cleanup_focc (struct ForwardedOverlayConnectContext *focc)
1572 GNUNET_free_non_null (focc->orig_msg);
1578 * Processes a forwarded overlay connect context in the queue of the given RegisteredHostContext
1580 * @param rhc the RegisteredHostContext
1583 process_next_focc (struct RegisteredHostContext *rhc);
1587 * Timeout task for cancelling a forwarded overlay connect connect
1589 * @param cls the ForwardedOverlayConnectContext
1590 * @param tc the task context from the scheduler
1593 forwarded_overlay_connect_timeout (void *cls,
1594 const struct GNUNET_SCHEDULER_TaskContext
1597 struct ForwardedOperationContext *fopc = cls;
1598 struct RegisteredHostContext *rhc;
1599 struct ForwardedOverlayConnectContext *focc;
1602 focc = rhc->focc_dll_head;
1603 GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head, rhc->focc_dll_tail, focc);
1604 cleanup_focc (focc);
1605 LOG_DEBUG ("Overlay linking between peers %u and %u failed\n",
1606 focc->peer1, focc->peer2);
1607 forwarded_operation_timeout (cls, tc);
1608 if (NULL != rhc->focc_dll_head)
1609 process_next_focc (rhc);
1614 * Callback to be called when forwarded overlay connection operation has a reply
1615 * from the sub-controller successfull. We have to relay the reply msg back to
1618 * @param cls ForwardedOperationContext
1619 * @param msg the peer create success message
1622 forwarded_overlay_connect_listener (void *cls,
1623 const struct GNUNET_MessageHeader *msg)
1625 struct ForwardedOperationContext *fopc = cls;
1626 struct RegisteredHostContext *rhc;
1627 struct ForwardedOverlayConnectContext *focc;
1630 forwarded_operation_reply_relay (cls, msg);
1631 focc = rhc->focc_dll_head;
1632 GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head, rhc->focc_dll_tail, focc);
1633 cleanup_focc (focc);
1634 if (NULL != rhc->focc_dll_head)
1635 process_next_focc (rhc);
1640 * Processes a forwarded overlay connect context in the queue of the given RegisteredHostContext
1642 * @param rhc the RegisteredHostContext
1645 process_next_focc (struct RegisteredHostContext *rhc)
1647 struct ForwardedOperationContext *fopc;
1648 struct ForwardedOverlayConnectContext *focc;
1650 focc = rhc->focc_dll_head;
1651 GNUNET_assert (NULL != focc);
1652 GNUNET_assert (RHC_OL_CONNECT == rhc->state);
1653 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
1654 GNUNET_SERVER_client_keep (rhc->client);
1655 fopc->client = rhc->client;
1656 fopc->operation_id = focc->operation_id;
1658 fopc->type = OP_OVERLAY_CONNECT;
1660 GNUNET_TESTBED_forward_operation_msg_ (rhc->gateway->controller,
1661 focc->operation_id, focc->orig_msg,
1662 &forwarded_overlay_connect_listener,
1664 GNUNET_free (focc->orig_msg);
1665 focc->orig_msg = NULL;
1666 fopc->timeout_task =
1667 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_overlay_connect_timeout,
1669 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
1674 * Callback for event from slave controllers
1676 * @param cls struct Slave *
1677 * @param event information about the event
1680 slave_event_callback (void *cls,
1681 const struct GNUNET_TESTBED_EventInformation *event)
1683 struct RegisteredHostContext *rhc;
1684 struct GNUNET_CONFIGURATION_Handle *cfg;
1685 struct GNUNET_TESTBED_Operation *old_op;
1687 /* We currently only get here when working on RegisteredHostContexts */
1688 GNUNET_assert (GNUNET_TESTBED_ET_OPERATION_FINISHED == event->type);
1689 rhc = event->details.operation_finished.op_cls;
1690 GNUNET_assert (rhc->sub_op == event->details.operation_finished.operation);
1694 cfg = event->details.operation_finished.generic;
1695 old_op = rhc->sub_op;
1696 rhc->state = RHC_LINK;
1698 GNUNET_TESTBED_controller_link (rhc,
1699 rhc->gateway->controller,
1704 GNUNET_TESTBED_operation_done (old_op);
1707 LOG_DEBUG ("OL: Linking controllers successfull\n");
1708 GNUNET_TESTBED_operation_done (rhc->sub_op);
1710 rhc->state = RHC_OL_CONNECT;
1711 process_next_focc (rhc);
1720 * Callback to signal successfull startup of the controller process
1722 * @param cls the handle to the slave whose status is to be found here
1723 * @param cfg the configuration with which the controller has been started;
1724 * NULL if status is not GNUNET_OK
1725 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1726 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1729 slave_status_callback (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg,
1732 struct Slave *slave = cls;
1733 struct LinkControllersContext *lcc;
1736 if (GNUNET_SYSERR == status)
1738 slave->controller_proc = NULL;
1739 slave_list[slave->host_id] = NULL;
1740 if (NULL != slave->cfg)
1741 GNUNET_CONFIGURATION_destroy (slave->cfg);
1742 GNUNET_free (slave);
1744 LOG (GNUNET_ERROR_TYPE_WARNING, "Unexpected slave shutdown\n");
1745 GNUNET_SCHEDULER_shutdown (); /* We too shutdown */
1749 GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
1751 &slave_event_callback, slave);
1752 if (NULL != slave->controller)
1754 send_operation_success_msg (lcc->client, lcc->operation_id);
1755 slave->cfg = GNUNET_CONFIGURATION_dup (cfg);
1759 send_operation_fail_msg (lcc->client, lcc->operation_id,
1760 "Could not connect to delegated controller");
1761 GNUNET_TESTBED_controller_stop (slave->controller_proc);
1762 slave_list[slave->host_id] = NULL;
1763 GNUNET_free (slave);
1770 if (NULL != lcc->client)
1772 GNUNET_SERVER_receive_done (lcc->client, GNUNET_OK);
1773 GNUNET_SERVER_client_drop (lcc->client);
1784 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_INIT messages
1787 * @param client identification of the client
1788 * @param message the actual message
1791 handle_init (void *cls, struct GNUNET_SERVER_Client *client,
1792 const struct GNUNET_MessageHeader *message)
1794 const struct GNUNET_TESTBED_InitMessage *msg;
1795 struct GNUNET_TESTBED_Host *host;
1796 const char *controller_hostname;
1799 if (NULL != master_context)
1801 LOG_DEBUG ("We are being connected to laterally\n");
1802 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1805 msg = (const struct GNUNET_TESTBED_InitMessage *) message;
1806 msize = ntohs (message->size);
1807 if (msize <= sizeof (struct GNUNET_TESTBED_InitMessage))
1810 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
1813 msize -= sizeof (struct GNUNET_TESTBED_InitMessage);
1814 controller_hostname = (const char *) &msg[1];
1815 if ('\0' != controller_hostname[msize - 1])
1818 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
1821 master_context = GNUNET_malloc (sizeof (struct Context));
1822 GNUNET_SERVER_client_keep (client);
1823 master_context->client = client;
1824 master_context->host_id = ntohl (msg->host_id);
1825 master_context->master_ip = GNUNET_strdup (controller_hostname);
1826 LOG_DEBUG ("Our IP: %s\n", master_context->master_ip);
1827 master_context->system =
1828 GNUNET_TESTING_system_create ("testbed", master_context->master_ip, hostname);
1830 GNUNET_TESTBED_host_create_with_id (master_context->host_id,
1831 master_context->master_ip,
1834 host_list_add (host);
1835 LOG_DEBUG ("Created master context with host ID: %u\n",
1836 master_context->host_id);
1837 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1842 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
1845 * @param client identification of the client
1846 * @param message the actual message
1849 handle_add_host (void *cls, struct GNUNET_SERVER_Client *client,
1850 const struct GNUNET_MessageHeader *message)
1852 struct GNUNET_TESTBED_Host *host;
1853 const struct GNUNET_TESTBED_AddHostMessage *msg;
1854 struct GNUNET_TESTBED_HostConfirmedMessage *reply;
1859 uint16_t username_length;
1860 uint16_t hostname_length;
1861 uint16_t reply_size;
1864 msg = (const struct GNUNET_TESTBED_AddHostMessage *) message;
1865 msize = ntohs (msg->header.size);
1866 username = (char *) &msg[1];
1867 username_length = ntohs (msg->user_name_length);
1868 if (0 != username_length)
1870 /* msg must contain hostname */
1871 GNUNET_assert (msize > (sizeof (struct GNUNET_TESTBED_AddHostMessage) +
1872 username_length + 1));
1873 if (0 != username_length)
1874 GNUNET_assert ('\0' == username[username_length - 1]);
1875 hostname = username + username_length;
1877 msize - (sizeof (struct GNUNET_TESTBED_AddHostMessage) + username_length);
1878 GNUNET_assert ('\0' == hostname[hostname_length - 1]);
1879 GNUNET_assert (strlen (hostname) == hostname_length - 1);
1880 host_id = ntohl (msg->host_id);
1881 LOG_DEBUG ("Received ADDHOST %u message\n", host_id);
1882 LOG_DEBUG ("-------host id: %u\n", host_id);
1883 LOG_DEBUG ("-------hostname: %s\n", hostname);
1884 if (0 != username_length)
1885 LOG_DEBUG ("-------username: %s\n", username);
1888 LOG_DEBUG ("-------username: NULL\n");
1891 LOG_DEBUG ("-------ssh port: %u\n", ntohs (msg->ssh_port));
1893 GNUNET_TESTBED_host_create_with_id (host_id, hostname, username,
1894 ntohs (msg->ssh_port));
1895 GNUNET_assert (NULL != host);
1896 reply_size = sizeof (struct GNUNET_TESTBED_HostConfirmedMessage);
1897 if (GNUNET_OK != host_list_add (host))
1899 /* We are unable to add a host */
1900 emsg = "A host exists with given host-id";
1901 LOG_DEBUG ("%s: %u", emsg, host_id);
1902 GNUNET_TESTBED_host_destroy (host);
1903 reply_size += strlen (emsg) + 1;
1904 reply = GNUNET_malloc (reply_size);
1905 memcpy (&reply[1], emsg, strlen (emsg) + 1);
1909 LOG_DEBUG ("Added host %u at %u\n",
1910 host_id, master_context->host_id);
1911 reply = GNUNET_malloc (reply_size);
1913 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_ADDHOSTCONFIRM);
1914 reply->header.size = htons (reply_size);
1915 reply->host_id = htonl (host_id);
1916 queue_message (client, &reply->header);
1917 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1922 * Iterator over hash map entries.
1924 * @param cls closure
1925 * @param key current key code
1926 * @param value value in the hash map
1927 * @return GNUNET_YES if we should continue to
1932 ss_exists_iterator (void *cls, const struct GNUNET_HashCode *key, void *value)
1934 struct SharedService *queried_ss = cls;
1935 struct SharedService *ss = value;
1937 if (0 == strcmp (ss->name, queried_ss->name))
1945 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
1948 * @param client identification of the client
1949 * @param message the actual message
1952 handle_configure_shared_service (void *cls, struct GNUNET_SERVER_Client *client,
1953 const struct GNUNET_MessageHeader *message)
1955 const struct GNUNET_TESTBED_ConfigureSharedServiceMessage *msg;
1956 struct SharedService *ss;
1958 struct GNUNET_HashCode hash;
1960 uint16_t service_name_size;
1962 msg = (const struct GNUNET_TESTBED_ConfigureSharedServiceMessage *) message;
1963 msg_size = ntohs (message->size);
1964 if (msg_size <= sizeof (struct GNUNET_TESTBED_ConfigureSharedServiceMessage))
1967 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
1971 msg_size - sizeof (struct GNUNET_TESTBED_ConfigureSharedServiceMessage);
1972 service_name = (char *) &msg[1];
1973 if ('\0' != service_name[service_name_size - 1])
1976 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
1979 LOG_DEBUG ("Received service sharing request for %s, with %d peers\n",
1980 service_name, ntohl (msg->num_peers));
1981 if (ntohl (msg->host_id) != master_context->host_id)
1983 route_message (ntohl (msg->host_id), message);
1984 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1987 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1988 ss = GNUNET_malloc (sizeof (struct SharedService));
1989 ss->name = strdup (service_name);
1990 ss->num_shared = ntohl (msg->num_peers);
1991 GNUNET_CRYPTO_hash (ss->name, service_name_size, &hash);
1992 if (GNUNET_SYSERR ==
1993 GNUNET_CONTAINER_multihashmap_get_multiple (ss_map, &hash,
1994 &ss_exists_iterator, ss))
1996 LOG (GNUNET_ERROR_TYPE_WARNING,
1997 "Service %s already configured as a shared service. "
1998 "Ignoring service sharing request \n", ss->name);
1999 GNUNET_free (ss->name);
2003 GNUNET_CONTAINER_multihashmap_put (ss_map, &hash, ss,
2004 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
2009 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS message
2012 * @param client identification of the client
2013 * @param message the actual message
2016 handle_link_controllers (void *cls, struct GNUNET_SERVER_Client *client,
2017 const struct GNUNET_MessageHeader *message)
2019 const struct GNUNET_TESTBED_ControllerLinkMessage *msg;
2020 struct GNUNET_CONFIGURATION_Handle *cfg;
2021 struct LCFContextQueue *lcfq;
2022 struct Route *route;
2023 struct Route *new_route;
2027 uint32_t delegated_host_id;
2028 uint32_t slave_host_id;
2031 if (NULL == master_context)
2034 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2037 msize = ntohs (message->size);
2038 if (sizeof (struct GNUNET_TESTBED_ControllerLinkMessage) >= msize)
2041 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2044 msg = (const struct GNUNET_TESTBED_ControllerLinkMessage *) message;
2045 delegated_host_id = ntohl (msg->delegated_host_id);
2046 if (delegated_host_id == master_context->host_id)
2049 LOG (GNUNET_ERROR_TYPE_WARNING, "Trying to link ourselves\n");
2050 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2053 if ((delegated_host_id >= host_list_size) ||
2054 (NULL == host_list[delegated_host_id]))
2056 LOG (GNUNET_ERROR_TYPE_WARNING,
2057 "Delegated host %u not registered with us\n", delegated_host_id);
2058 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2061 slave_host_id = ntohl (msg->slave_host_id);
2062 if ((slave_host_id >= host_list_size) || (NULL == host_list[slave_host_id]))
2064 LOG (GNUNET_ERROR_TYPE_WARNING, "Slave host %u not registered with us\n",
2066 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2069 if (slave_host_id == delegated_host_id)
2071 LOG (GNUNET_ERROR_TYPE_WARNING, "Slave and delegated host are same\n");
2072 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2076 if (slave_host_id == master_context->host_id) /* Link from us */
2078 struct Slave *slave;
2079 struct LinkControllersContext *lcc;
2081 msize -= sizeof (struct GNUNET_TESTBED_ControllerLinkMessage);
2082 config_size = ntohs (msg->config_size);
2083 if ((delegated_host_id < slave_list_size) && (NULL != slave_list[delegated_host_id])) /* We have already added */
2085 LOG (GNUNET_ERROR_TYPE_WARNING, "Host %u already connected\n",
2087 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2090 config = GNUNET_malloc (config_size);
2091 dest_size = (uLongf) config_size;
2093 uncompress ((Bytef *) config, &dest_size, (const Bytef *) &msg[1],
2096 GNUNET_break (0); /* Compression error */
2097 GNUNET_free (config);
2098 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2101 if (config_size != dest_size)
2103 LOG (GNUNET_ERROR_TYPE_WARNING, "Uncompressed config size mismatch\n");
2104 GNUNET_free (config);
2105 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2108 cfg = GNUNET_CONFIGURATION_create (); /* Free here or in lcfcontext */
2110 GNUNET_CONFIGURATION_deserialize (cfg, config, config_size, GNUNET_NO))
2112 GNUNET_break (0); /* Configuration parsing error */
2113 GNUNET_free (config);
2114 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2117 GNUNET_free (config);
2118 if ((delegated_host_id < slave_list_size) &&
2119 (NULL != slave_list[delegated_host_id]))
2121 GNUNET_break (0); /* Configuration parsing error */
2122 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2125 slave = GNUNET_malloc (sizeof (struct Slave));
2126 slave->host_id = delegated_host_id;
2127 slave->reghost_map = GNUNET_CONTAINER_multihashmap_create (100, GNUNET_NO);
2128 slave_list_add (slave);
2129 if (1 != msg->is_subordinate)
2132 GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
2134 &slave_event_callback, slave);
2136 if (NULL != slave->controller)
2137 send_operation_success_msg (client, GNUNET_ntohll (msg->operation_id));
2139 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2140 "Could not connect to delegated controller");
2141 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2144 lcc = GNUNET_malloc (sizeof (struct LinkControllersContext));
2145 lcc->operation_id = GNUNET_ntohll (msg->operation_id);
2146 GNUNET_SERVER_client_keep (client);
2147 lcc->client = client;
2149 slave->controller_proc =
2150 GNUNET_TESTBED_controller_start (master_context->master_ip,
2151 host_list[slave->host_id], cfg,
2152 &slave_status_callback, slave);
2153 GNUNET_CONFIGURATION_destroy (cfg);
2154 new_route = GNUNET_malloc (sizeof (struct Route));
2155 new_route->dest = delegated_host_id;
2156 new_route->thru = master_context->host_id;
2157 route_list_add (new_route);
2161 /* Route the request */
2162 if (slave_host_id >= route_list_size)
2164 LOG (GNUNET_ERROR_TYPE_WARNING, "No route towards slave host");
2165 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2168 lcfq = GNUNET_malloc (sizeof (struct LCFContextQueue));
2169 lcfq->lcf = GNUNET_malloc (sizeof (struct LCFContext));
2170 lcfq->lcf->delegated_host_id = delegated_host_id;
2171 lcfq->lcf->slave_host_id = slave_host_id;
2172 route = find_dest_route (slave_host_id);
2173 GNUNET_assert (NULL != route); /* because we add routes carefully */
2174 GNUNET_assert (route->dest < slave_list_size);
2175 GNUNET_assert (NULL != slave_list[route->dest]);
2176 lcfq->lcf->state = INIT;
2177 lcfq->lcf->operation_id = GNUNET_ntohll (msg->operation_id);
2178 lcfq->lcf->gateway = slave_list[route->dest];
2179 lcfq->lcf->msg = GNUNET_malloc (msize);
2180 (void) memcpy (lcfq->lcf->msg, msg, msize);
2181 GNUNET_SERVER_client_keep (client);
2182 lcfq->lcf->client = client;
2183 if (NULL == lcfq_head)
2185 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
2186 GNUNET_CONTAINER_DLL_insert_tail (lcfq_head, lcfq_tail, lcfq);
2187 lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcfq->lcf);
2190 GNUNET_CONTAINER_DLL_insert_tail (lcfq_head, lcfq_tail, lcfq);
2191 /* FIXME: Adding a new route should happen after the controllers are linked
2193 if (1 != msg->is_subordinate)
2195 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2198 if ((delegated_host_id < route_list_size)
2199 && (NULL != route_list[delegated_host_id]))
2201 GNUNET_break_op (0); /* Are you trying to link delegated host twice
2202 with is subordinate flag set to GNUNET_YES? */
2203 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2206 new_route = GNUNET_malloc (sizeof (struct Route));
2207 new_route->dest = delegated_host_id;
2208 new_route->thru = route->dest;
2209 route_list_add (new_route);
2210 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2215 * The task to be executed if the forwarded peer create operation has been
2218 * @param cls the FowardedOperationContext
2219 * @param tc the TaskContext from the scheduler
2222 peer_create_forward_timeout (void *cls,
2223 const struct GNUNET_SCHEDULER_TaskContext *tc)
2225 struct ForwardedOperationContext *fopc = cls;
2227 GNUNET_free (fopc->cls);
2228 forwarded_operation_timeout (fopc, tc);
2233 * Callback to be called when forwarded peer create operation is successfull. We
2234 * have to relay the reply msg back to the client
2236 * @param cls ForwardedOperationContext
2237 * @param msg the peer create success message
2240 peer_create_success_cb (void *cls, const struct GNUNET_MessageHeader *msg)
2242 struct ForwardedOperationContext *fopc = cls;
2243 struct Peer *remote_peer;
2245 if (ntohs (msg->type) == GNUNET_MESSAGE_TYPE_TESTBED_PEERCREATESUCCESS)
2247 GNUNET_assert (NULL != fopc->cls);
2248 remote_peer = fopc->cls;
2249 peer_list_add (remote_peer);
2251 forwarded_operation_reply_relay (fopc, msg);
2256 * Function to destroy a peer
2258 * @param peer the peer structure to destroy
2261 destroy_peer (struct Peer *peer)
2263 GNUNET_break (0 == peer->reference_cnt);
2264 if (GNUNET_YES == peer->is_remote)
2266 peer_list_remove (peer);
2270 if (GNUNET_YES == peer->details.local.is_running)
2272 GNUNET_TESTING_peer_stop (peer->details.local.peer);
2273 peer->details.local.is_running = GNUNET_NO;
2275 GNUNET_TESTING_peer_destroy (peer->details.local.peer);
2276 GNUNET_CONFIGURATION_destroy (peer->details.local.cfg);
2277 peer_list_remove (peer);
2283 * Callback to be called when forwarded peer destroy operation is successfull. We
2284 * have to relay the reply msg back to the client
2286 * @param cls ForwardedOperationContext
2287 * @param msg the peer create success message
2290 peer_destroy_success_cb (void *cls, const struct GNUNET_MessageHeader *msg)
2292 struct ForwardedOperationContext *fopc = cls;
2293 struct Peer *remote_peer;
2295 if (GNUNET_MESSAGE_TYPE_TESTBED_GENERICOPSUCCESS == ntohs (msg->type))
2297 remote_peer = fopc->cls;
2298 GNUNET_assert (NULL != remote_peer);
2299 remote_peer->destroy_flag = GNUNET_YES;
2300 if (0 == remote_peer->reference_cnt)
2301 destroy_peer (remote_peer);
2303 forwarded_operation_reply_relay (fopc, msg);
2309 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER messages
2312 * @param client identification of the client
2313 * @param message the actual message
2316 handle_peer_create (void *cls, struct GNUNET_SERVER_Client *client,
2317 const struct GNUNET_MessageHeader *message)
2319 const struct GNUNET_TESTBED_PeerCreateMessage *msg;
2320 struct GNUNET_TESTBED_PeerCreateSuccessEventMessage *reply;
2321 struct GNUNET_CONFIGURATION_Handle *cfg;
2322 struct ForwardedOperationContext *fo_ctxt;
2323 struct Route *route;
2328 uint32_t config_size;
2334 msize = ntohs (message->size);
2335 if (msize <= sizeof (struct GNUNET_TESTBED_PeerCreateMessage))
2337 GNUNET_break (0); /* We need configuration */
2338 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2341 msg = (const struct GNUNET_TESTBED_PeerCreateMessage *) message;
2342 host_id = ntohl (msg->host_id);
2343 peer_id = ntohl (msg->peer_id);
2344 if (UINT32_MAX == peer_id)
2346 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2347 "Cannot create peer with given ID");
2348 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2351 if (host_id == master_context->host_id)
2355 /* We are responsible for this peer */
2356 msize -= sizeof (struct GNUNET_TESTBED_PeerCreateMessage);
2357 config_size = ntohl (msg->config_size);
2358 config = GNUNET_malloc (config_size);
2359 dest_size = config_size;
2362 uncompress ((Bytef *) config, (uLongf *) & dest_size,
2363 (const Bytef *) &msg[1], (uLong) msize)))
2365 GNUNET_break (0); /* uncompression error */
2366 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2369 if (config_size != dest_size)
2371 GNUNET_break (0); /* Uncompressed config size mismatch */
2372 GNUNET_free (config);
2373 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2376 cfg = GNUNET_CONFIGURATION_create ();
2378 GNUNET_CONFIGURATION_deserialize (cfg, config, config_size, GNUNET_NO))
2380 GNUNET_break (0); /* Configuration parsing error */
2381 GNUNET_free (config);
2382 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2385 GNUNET_free (config);
2386 GNUNET_CONFIGURATION_set_value_number (cfg,
2389 (unsigned long long) peer_id);
2390 peer = GNUNET_malloc (sizeof (struct Peer));
2391 peer->is_remote = GNUNET_NO;
2392 peer->details.local.cfg = cfg;
2394 LOG_DEBUG ("Creating peer with id: %u\n",
2395 (unsigned int) peer->id);
2396 peer->details.local.peer =
2397 GNUNET_TESTING_peer_configure (master_context->system,
2398 peer->details.local.cfg, peer->id,
2399 NULL /* Peer id */ ,
2401 if (NULL == peer->details.local.peer)
2403 LOG (GNUNET_ERROR_TYPE_WARNING, "Configuring peer failed: %s\n", emsg);
2407 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
2410 peer->details.local.is_running = GNUNET_NO;
2411 peer_list_add (peer);
2413 GNUNET_malloc (sizeof
2414 (struct GNUNET_TESTBED_PeerCreateSuccessEventMessage));
2415 reply->header.size =
2416 htons (sizeof (struct GNUNET_TESTBED_PeerCreateSuccessEventMessage));
2417 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCREATESUCCESS);
2418 reply->peer_id = msg->peer_id;
2419 reply->operation_id = msg->operation_id;
2420 queue_message (client, &reply->header);
2421 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2425 /* Forward peer create request */
2426 route = find_dest_route (host_id);
2430 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2434 peer = GNUNET_malloc (sizeof (struct Peer));
2435 peer->is_remote = GNUNET_YES;
2437 peer->details.remote.slave = slave_list[route->dest];
2438 peer->details.remote.remote_host_id = host_id;
2439 fo_ctxt = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
2440 GNUNET_SERVER_client_keep (client);
2441 fo_ctxt->client = client;
2442 fo_ctxt->operation_id = GNUNET_ntohll (msg->operation_id);
2443 fo_ctxt->cls = peer; //slave_list[route->dest]->controller;
2444 fo_ctxt->type = OP_PEER_CREATE;
2446 GNUNET_TESTBED_forward_operation_msg_ (slave_list [route->dest]->controller,
2447 fo_ctxt->operation_id,
2449 peer_create_success_cb, fo_ctxt);
2450 fo_ctxt->timeout_task =
2451 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &peer_create_forward_timeout,
2453 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fo_ctxt);
2454 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2459 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
2462 * @param client identification of the client
2463 * @param message the actual message
2466 handle_peer_destroy (void *cls, struct GNUNET_SERVER_Client *client,
2467 const struct GNUNET_MessageHeader *message)
2469 const struct GNUNET_TESTBED_PeerDestroyMessage *msg;
2470 struct ForwardedOperationContext *fopc;
2474 msg = (const struct GNUNET_TESTBED_PeerDestroyMessage *) message;
2475 peer_id = ntohl (msg->peer_id);
2476 LOG_DEBUG ("Received peer destory on peer: %u and operation id: %ul\n",
2477 peer_id, GNUNET_ntohll (msg->operation_id));
2478 if ((peer_list_size <= peer_id) || (NULL == peer_list[peer_id]))
2480 LOG (GNUNET_ERROR_TYPE_ERROR,
2481 "Asked to destroy a non existent peer with id: %u\n", peer_id);
2482 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2483 "Peer doesn't exist");
2484 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2487 peer = peer_list[peer_id];
2488 if (GNUNET_YES == peer->is_remote)
2490 /* Forward the destory message to sub controller */
2491 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
2492 GNUNET_SERVER_client_keep (client);
2493 fopc->client = client;
2495 fopc->type = OP_PEER_DESTROY;
2496 fopc->operation_id = GNUNET_ntohll (msg->operation_id);
2498 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
2499 fopc->operation_id, &msg->header,
2500 &peer_destroy_success_cb,
2502 fopc->timeout_task =
2503 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
2505 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
2506 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2509 peer->destroy_flag = GNUNET_YES;
2510 if (0 == peer->reference_cnt)
2511 destroy_peer (peer);
2513 LOG (GNUNET_ERROR_TYPE_DEBUG,
2514 "Delaying peer destroy as peer is currently in use\n");
2515 send_operation_success_msg (client, GNUNET_ntohll (msg->operation_id));
2516 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2521 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
2524 * @param client identification of the client
2525 * @param message the actual message
2528 handle_peer_start (void *cls, struct GNUNET_SERVER_Client *client,
2529 const struct GNUNET_MessageHeader *message)
2531 const struct GNUNET_TESTBED_PeerStartMessage *msg;
2532 struct GNUNET_TESTBED_PeerEventMessage *reply;
2533 struct ForwardedOperationContext *fopc;
2537 msg = (const struct GNUNET_TESTBED_PeerStartMessage *) message;
2538 peer_id = ntohl (msg->peer_id);
2539 if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
2542 LOG (GNUNET_ERROR_TYPE_ERROR,
2543 "Asked to start a non existent peer with id: %u\n", peer_id);
2544 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2547 peer = peer_list[peer_id];
2548 if (GNUNET_YES == peer->is_remote)
2550 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
2551 GNUNET_SERVER_client_keep (client);
2552 fopc->client = client;
2553 fopc->operation_id = GNUNET_ntohll (msg->operation_id);
2554 fopc->type = OP_PEER_START;
2556 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
2557 fopc->operation_id, &msg->header,
2558 &forwarded_operation_reply_relay,
2560 fopc->timeout_task =
2561 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
2563 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
2564 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2567 if (GNUNET_OK != GNUNET_TESTING_peer_start (peer->details.local.peer))
2569 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2571 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2574 peer->details.local.is_running = GNUNET_YES;
2575 reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
2576 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEEREVENT);
2577 reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
2578 reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_START);
2579 reply->host_id = htonl (master_context->host_id);
2580 reply->peer_id = msg->peer_id;
2581 reply->operation_id = msg->operation_id;
2582 queue_message (client, &reply->header);
2583 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2588 * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
2591 * @param client identification of the client
2592 * @param message the actual message
2595 handle_peer_stop (void *cls, struct GNUNET_SERVER_Client *client,
2596 const struct GNUNET_MessageHeader *message)
2598 const struct GNUNET_TESTBED_PeerStopMessage *msg;
2599 struct GNUNET_TESTBED_PeerEventMessage *reply;
2600 struct ForwardedOperationContext *fopc;
2604 msg = (const struct GNUNET_TESTBED_PeerStopMessage *) message;
2605 peer_id = ntohl (msg->peer_id);
2606 LOG (GNUNET_ERROR_TYPE_DEBUG, "Received PEER_STOP for peer %u\n", peer_id);
2607 if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
2609 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2611 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2614 peer = peer_list[peer_id];
2615 if (GNUNET_YES == peer->is_remote)
2617 LOG (GNUNET_ERROR_TYPE_DEBUG, "Forwarding PEER_STOP for peer %u\n", peer_id);
2618 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
2619 GNUNET_SERVER_client_keep (client);
2620 fopc->client = client;
2621 fopc->operation_id = GNUNET_ntohll (msg->operation_id);
2622 fopc->type = OP_PEER_STOP;
2624 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
2625 fopc->operation_id, &msg->header,
2626 &forwarded_operation_reply_relay,
2628 fopc->timeout_task =
2629 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
2631 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
2632 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2635 if (GNUNET_OK != GNUNET_TESTING_peer_stop (peer->details.local.peer))
2637 LOG (GNUNET_ERROR_TYPE_WARNING, "Stopping peer %u failed\n", peer_id);
2638 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2639 "Peer not running");
2640 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2643 LOG (GNUNET_ERROR_TYPE_DEBUG, "Peer %u successfully stopped\n", peer_id);
2644 peer->details.local.is_running = GNUNET_NO;
2645 reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
2646 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEEREVENT);
2647 reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
2648 reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_STOP);
2649 reply->host_id = htonl (master_context->host_id);
2650 reply->peer_id = msg->peer_id;
2651 reply->operation_id = msg->operation_id;
2652 queue_message (client, &reply->header);
2653 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2658 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG messages
2661 * @param client identification of the client
2662 * @param message the actual message
2665 handle_peer_get_config (void *cls, struct GNUNET_SERVER_Client *client,
2666 const struct GNUNET_MessageHeader *message)
2668 const struct GNUNET_TESTBED_PeerGetConfigurationMessage *msg;
2669 struct GNUNET_TESTBED_PeerConfigurationInformationMessage *reply;
2678 msg = (const struct GNUNET_TESTBED_PeerGetConfigurationMessage *) message;
2679 peer_id = ntohl (msg->peer_id);
2680 if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
2682 send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
2684 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2687 peer = peer_list[peer_id];
2688 if (GNUNET_YES == peer->is_remote)
2690 struct ForwardedOperationContext *fopc;
2692 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
2693 GNUNET_SERVER_client_keep (client);
2694 fopc->client = client;
2695 fopc->operation_id = GNUNET_ntohll (msg->operation_id);
2696 fopc->type = OP_PEER_INFO;
2698 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
2699 fopc->operation_id, &msg->header,
2700 &forwarded_operation_reply_relay,
2702 fopc->timeout_task =
2703 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
2705 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
2706 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2710 GNUNET_CONFIGURATION_serialize (peer_list[peer_id]->details.local.cfg,
2712 xc_size = GNUNET_TESTBED_compress_config_ (config, c_size, &xconfig);
2713 GNUNET_free (config);
2716 sizeof (struct GNUNET_TESTBED_PeerConfigurationInformationMessage);
2717 reply = GNUNET_realloc (xconfig, msize);
2718 (void) memmove (&reply[1], reply, xc_size);
2719 reply->header.size = htons (msize);
2720 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG);
2721 reply->peer_id = msg->peer_id;
2722 reply->operation_id = msg->operation_id;
2723 GNUNET_TESTING_peer_get_identity (peer_list[peer_id]->details.local.peer,
2724 &reply->peer_identity);
2725 reply->config_size = htons ((uint16_t) c_size);
2726 queue_message (client, &reply->header);
2727 GNUNET_SERVER_receive_done (client, GNUNET_OK);
2732 * Cleanup overlay connect context structure
2734 * @param occ the overlay connect context
2737 cleanup_occ (struct OverlayConnectContext *occ)
2739 LOG_DEBUG ("Cleaning up occ\n");
2740 GNUNET_free_non_null (occ->emsg);
2741 GNUNET_free_non_null (occ->hello);
2742 GNUNET_SERVER_client_drop (occ->client);
2743 if (NULL != occ->opc)
2744 GNUNET_TESTBED_forward_operation_msg_cancel_ (occ->opc);
2745 if (GNUNET_SCHEDULER_NO_TASK != occ->send_hello_task)
2746 GNUNET_SCHEDULER_cancel (occ->send_hello_task);
2747 if (GNUNET_SCHEDULER_NO_TASK != occ->cleanup_task)
2748 GNUNET_SCHEDULER_cancel (occ->cleanup_task);
2749 if (GNUNET_SCHEDULER_NO_TASK != occ->timeout_task)
2750 GNUNET_SCHEDULER_cancel (occ->timeout_task);
2751 if (NULL != occ->ch)
2753 GNUNET_CORE_disconnect (occ->ch);
2754 occ->peer->reference_cnt--;
2756 if (NULL != occ->ghh)
2757 GNUNET_TRANSPORT_get_hello_cancel (occ->ghh);
2758 if (NULL != occ->ohh)
2759 GNUNET_TRANSPORT_offer_hello_cancel (occ->ohh);
2760 if (GNUNET_SCHEDULER_NO_TASK != occ->tcc.task)
2761 GNUNET_SCHEDULER_cancel (occ->tcc.task);
2762 if (NULL != occ->tcc.tch)
2763 GNUNET_TRANSPORT_try_connect_cancel (occ->tcc.tch);
2764 if (NULL != occ->p1th)
2766 GNUNET_TRANSPORT_disconnect (occ->p1th);
2767 occ->peer->reference_cnt--;
2769 if (NULL != occ->tcc.th)
2771 GNUNET_TRANSPORT_disconnect (occ->tcc.th);
2772 peer_list[occ->other_peer_id]->reference_cnt--;
2774 if ((GNUNET_YES == occ->peer->destroy_flag)
2775 && (0 == occ->peer->reference_cnt))
2776 destroy_peer (occ->peer);
2777 if ((NULL == occ->peer2_controller)
2778 && (GNUNET_YES == peer_list[occ->other_peer_id]->destroy_flag)
2779 && (0 == peer_list[occ->other_peer_id]->reference_cnt))
2780 destroy_peer (peer_list[occ->other_peer_id]);
2781 GNUNET_CONTAINER_DLL_remove (occq_head, occq_tail, occ);
2787 * Task for cleaing up overlay connect context structure
2789 * @param cls the overlay connect context
2790 * @param tc the task context
2793 do_cleanup_occ (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
2795 struct OverlayConnectContext *occ = cls;
2797 occ->cleanup_task = GNUNET_SCHEDULER_NO_TASK;
2803 * Task which will be run when overlay connect request has been timed out
2805 * @param cls the OverlayConnectContext
2806 * @param tc the TaskContext
2809 timeout_overlay_connect (void *cls,
2810 const struct GNUNET_SCHEDULER_TaskContext *tc)
2812 struct OverlayConnectContext *occ = cls;
2814 occ->timeout_task = GNUNET_SCHEDULER_NO_TASK;
2815 LOG (GNUNET_ERROR_TYPE_WARNING,
2816 "Timeout while connecting peers %u and %u\n",
2817 occ->peer_id, occ->other_peer_id);
2818 send_operation_fail_msg (occ->client, occ->op_id, occ->emsg);
2825 * Function called to notify transport users that another
2826 * peer connected to us.
2828 * @param cls closure
2829 * @param new_peer the peer that connected
2830 * @param ats performance data
2831 * @param ats_count number of entries in ats (excluding 0-termination)
2834 overlay_connect_notify (void *cls, const struct GNUNET_PeerIdentity *new_peer,
2835 const struct GNUNET_ATS_Information *ats,
2836 unsigned int ats_count)
2838 struct OverlayConnectContext *occ = cls;
2839 struct GNUNET_TESTBED_ConnectionEventMessage *msg;
2841 char *other_peer_str;
2843 LOG_DEBUG ("Overlay connect notify\n");
2845 memcmp (new_peer, &occ->peer_identity,
2846 sizeof (struct GNUNET_PeerIdentity)))
2848 new_peer_str = GNUNET_strdup (GNUNET_i2s (new_peer));
2849 other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
2851 memcmp (new_peer, &occ->other_peer_identity,
2852 sizeof (struct GNUNET_PeerIdentity)))
2854 LOG_DEBUG ("Unexpected peer %4s connected when expecting peer %4s\n",
2855 new_peer_str, other_peer_str);
2856 GNUNET_free (new_peer_str);
2857 GNUNET_free (other_peer_str);
2860 GNUNET_free (new_peer_str);
2861 LOG_DEBUG ("Peer %4s connected to peer %4s\n", other_peer_str,
2862 GNUNET_i2s (&occ->peer_identity));
2863 GNUNET_free (other_peer_str);
2864 if (GNUNET_SCHEDULER_NO_TASK != occ->send_hello_task)
2866 GNUNET_SCHEDULER_cancel (occ->send_hello_task);
2867 occ->send_hello_task = GNUNET_SCHEDULER_NO_TASK;
2869 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK != occ->timeout_task);
2870 GNUNET_SCHEDULER_cancel (occ->timeout_task);
2871 occ->timeout_task = GNUNET_SCHEDULER_NO_TASK;
2872 if (GNUNET_SCHEDULER_NO_TASK != occ->tcc.task)
2874 GNUNET_SCHEDULER_cancel (occ->tcc.task);
2875 occ->tcc.task = GNUNET_SCHEDULER_NO_TASK;
2877 GNUNET_free_non_null (occ->emsg);
2879 LOG_DEBUG ("Peers connected - Sending overlay connect success\n");
2880 msg = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_ConnectionEventMessage));
2882 htons (sizeof (struct GNUNET_TESTBED_ConnectionEventMessage));
2883 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONEVENT);
2884 msg->event_type = htonl (GNUNET_TESTBED_ET_CONNECT);
2885 msg->peer1 = htonl (occ->peer_id);
2886 msg->peer2 = htonl (occ->other_peer_id);
2887 msg->operation_id = GNUNET_htonll (occ->op_id);
2888 queue_message (occ->client, &msg->header);
2889 occ->cleanup_task = GNUNET_SCHEDULER_add_now (&do_cleanup_occ, occ);
2890 //cleanup_occ (occ);
2895 * Task to ask transport of a peer to connect to another peer
2897 * @param cls the TryConnectContext
2898 * @param tc the scheduler task context
2901 try_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
2905 * Callback to be called with result of the try connect request.
2907 * @param cls the overlay connect context
2908 * @param result GNUNET_OK if message was transmitted to transport service
2909 * GNUNET_SYSERR if message was not transmitted to transport service
2912 try_connect_cb (void *cls, const int result)
2914 struct TryConnectContext *tcc = cls;
2917 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == tcc->task);
2918 tcc->task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
2919 (GNUNET_TIME_UNIT_MILLISECONDS,
2920 pow (10, ++tcc->retries)),
2921 &try_connect_task, tcc);
2926 * Task to ask transport of a peer to connect to another peer
2928 * @param cls the TryConnectContext
2929 * @param tc the scheduler task context
2932 try_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
2934 struct TryConnectContext *tcc = cls;
2936 tcc->task = GNUNET_SCHEDULER_NO_TASK;
2937 if (0 != (GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason))
2939 GNUNET_assert (NULL == tcc->tch);
2940 GNUNET_assert (NULL != tcc->pid);
2941 GNUNET_assert (NULL != tcc->th);
2942 tcc->tch = GNUNET_TRANSPORT_try_connect (tcc->th, tcc->pid, &try_connect_cb, tcc);
2947 * Task to offer HELLO of peer 1 to peer 2 and try to make peer 2 to connect to
2950 * @param cls the OverlayConnectContext
2951 * @param tc the TaskContext from scheduler
2954 send_hello (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
2958 * Task that is run when hello has been sent
2960 * @param cls the overlay connect context
2961 * @param tc the scheduler task context; if tc->reason =
2962 * GNUNET_SCHEDULER_REASON_TIMEOUT then sending HELLO failed; if
2963 * GNUNET_SCHEDULER_REASON_READ_READY is succeeded
2966 occ_hello_sent_cb (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
2968 struct OverlayConnectContext *occ = cls;
2971 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == occ->send_hello_task);
2972 if (GNUNET_SCHEDULER_REASON_TIMEOUT == tc->reason)
2974 GNUNET_free_non_null (occ->emsg);
2975 occ->emsg = GNUNET_strdup ("Timeout while offering HELLO to other peer");
2976 occ->send_hello_task = GNUNET_SCHEDULER_add_now (&send_hello, occ);
2979 if (GNUNET_SCHEDULER_REASON_READ_READY != tc->reason)
2981 GNUNET_free_non_null (occ->emsg);
2982 occ->emsg = GNUNET_strdup ("Timeout while try connect\n");
2983 occ->tcc.pid = &occ->peer_identity;
2984 occ->tcc.task = GNUNET_SCHEDULER_add_now (&try_connect_task, &occ->tcc);
2989 * Task to offer HELLO of peer 1 to peer 2 and try to make peer 2 to connect to
2992 * @param cls the OverlayConnectContext
2993 * @param tc the TaskContext from scheduler
2996 send_hello (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
2998 struct OverlayConnectContext *occ = cls;
2999 char *other_peer_str;
3001 occ->send_hello_task = GNUNET_SCHEDULER_NO_TASK;
3002 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
3004 GNUNET_assert (NULL != occ->hello);
3005 other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
3006 if (NULL != occ->peer2_controller)
3008 struct GNUNET_TESTBED_RequestConnectMessage *msg;
3010 uint16_t hello_size;
3012 LOG_DEBUG ("Offering HELLO of %s to %s via Remote Overlay Request\n",
3013 GNUNET_i2s (&occ->peer_identity), other_peer_str);
3014 hello_size = ntohs (occ->hello->size);
3015 msize = sizeof (struct GNUNET_TESTBED_RequestConnectMessage) + hello_size;
3016 msg = GNUNET_malloc (msize);
3017 msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT);
3018 msg->header.size = htons (msize);
3019 msg->peer = htonl (occ->other_peer_id);
3020 msg->operation_id = GNUNET_htonll (occ->op_id);
3021 (void) memcpy (&msg->peer_identity, &occ->peer_identity,
3022 sizeof (struct GNUNET_PeerIdentity));
3023 memcpy (msg->hello, occ->hello, hello_size);
3024 GNUNET_TESTBED_queue_message_ (occ->peer2_controller, &msg->header);
3028 LOG_DEBUG ("Offering HELLO of %s to %s\n",
3029 GNUNET_i2s (&occ->peer_identity), other_peer_str);
3030 occ->ohh = GNUNET_TRANSPORT_offer_hello (occ->tcc.th,
3034 if (NULL == occ->ohh)
3037 occ->send_hello_task =
3038 GNUNET_SCHEDULER_add_delayed
3039 (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
3040 100 + GNUNET_CRYPTO_random_u32
3041 (GNUNET_CRYPTO_QUALITY_WEAK, 500)),
3045 GNUNET_free (other_peer_str);
3049 * Test for checking whether HELLO message is empty
3051 * @param cls empty flag to set
3052 * @param address the HELLO
3053 * @param expiration expiration of the HELLO
3057 test_address (void *cls, const struct GNUNET_HELLO_Address *address,
3058 struct GNUNET_TIME_Absolute expiration)
3068 * Function called whenever there is an update to the HELLO of peers in the
3069 * OverlayConnectClosure. If we have a valid HELLO, we connect to the peer 2's
3070 * transport and offer peer 1's HELLO and ask peer 2 to connect to peer 1
3072 * @param cls closure
3073 * @param hello our updated HELLO
3076 hello_update_cb (void *cls, const struct GNUNET_MessageHeader *hello)
3078 struct OverlayConnectContext *occ = cls;
3082 msize = ntohs (hello->size);
3084 (void) GNUNET_HELLO_iterate_addresses ((const struct GNUNET_HELLO_Message *)
3085 hello, GNUNET_NO, &test_address,
3087 if (GNUNET_YES == empty)
3089 LOG_DEBUG ("HELLO of %s is empty\n", GNUNET_i2s (&occ->peer_identity));
3092 LOG_DEBUG ("Received HELLO of %s\n", GNUNET_i2s (&occ->peer_identity));
3093 occ->hello = GNUNET_malloc (msize);
3094 memcpy (occ->hello, hello, msize);
3095 GNUNET_TRANSPORT_get_hello_cancel (occ->ghh);
3097 GNUNET_TRANSPORT_disconnect (occ->p1th);
3099 occ->peer->reference_cnt--;
3100 GNUNET_free_non_null (occ->emsg);
3101 if (NULL == occ->peer2_controller)
3103 peer_list[occ->other_peer_id]->reference_cnt++;
3105 GNUNET_TRANSPORT_connect (peer_list[occ->other_peer_id]->details.local.cfg,
3106 &occ->other_peer_identity, NULL, NULL, NULL,
3108 if (NULL == occ->tcc.th)
3110 GNUNET_asprintf (&occ->emsg, "Cannot connect to TRANSPORT of %s\n",
3111 GNUNET_i2s (&occ->other_peer_identity));
3112 GNUNET_SCHEDULER_cancel (occ->timeout_task);
3113 occ->timeout_task = GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3117 occ->emsg = GNUNET_strdup ("Timeout while offering HELLO to other peer");
3118 occ->send_hello_task = GNUNET_SCHEDULER_add_now (&send_hello, occ);
3123 * Function called after GNUNET_CORE_connect has succeeded (or failed
3124 * for good). Note that the private key of the peer is intentionally
3125 * not exposed here; if you need it, your process should try to read
3126 * the private key file directly (which should work if you are
3129 * @param cls closure
3130 * @param server handle to the server, NULL if we failed
3131 * @param my_identity ID of this peer, NULL if we failed
3134 core_startup_cb (void *cls, struct GNUNET_CORE_Handle *server,
3135 const struct GNUNET_PeerIdentity *my_identity)
3137 struct OverlayConnectContext *occ = cls;
3139 GNUNET_free_non_null (occ->emsg);
3140 occ->emsg = GNUNET_strdup ("Failed to connect to CORE\n");
3141 if ((NULL == server) || (NULL == my_identity))
3143 GNUNET_free (occ->emsg);
3146 memcpy (&occ->peer_identity, my_identity,
3147 sizeof (struct GNUNET_PeerIdentity));
3148 occ->peer->reference_cnt++;
3150 GNUNET_TRANSPORT_connect (occ->peer->details.local.cfg,
3151 &occ->peer_identity, NULL, NULL, NULL, NULL);
3152 if (NULL == occ->p1th)
3154 GNUNET_asprintf (&occ->emsg, "Cannot connect to TRANSPORT of peers %4s",
3155 GNUNET_i2s (&occ->peer_identity));
3158 LOG_DEBUG ("Acquiring HELLO of peer %s\n", GNUNET_i2s (&occ->peer_identity));
3159 occ->emsg = GNUNET_strdup ("Timeout while acquiring HELLO message");
3160 occ->ghh = GNUNET_TRANSPORT_get_hello (occ->p1th, &hello_update_cb, occ);
3164 GNUNET_SCHEDULER_cancel (occ->timeout_task);
3165 occ->timeout_task = GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3171 * Callback to be called when forwarded get peer config operation as part of
3172 * overlay connect is successfull. Connection to Peer 1's core is made and is
3173 * checked for new connection from peer 2
3175 * @param cls ForwardedOperationContext
3176 * @param msg the peer create success message
3179 overlay_connect_get_config (void *cls, const struct GNUNET_MessageHeader *msg)
3181 struct OverlayConnectContext *occ = cls;
3182 const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *cmsg;
3183 const struct GNUNET_CORE_MessageHandler no_handlers[] = {
3188 if (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG != ntohs (msg->type))
3190 cmsg = (const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *)
3192 memcpy (&occ->other_peer_identity, &cmsg->peer_identity,
3193 sizeof (struct GNUNET_PeerIdentity));
3194 GNUNET_free_non_null (occ->emsg);
3195 occ->emsg = GNUNET_strdup ("Timeout while connecting to CORE");
3196 occ->peer->reference_cnt++;
3198 GNUNET_CORE_connect (occ->peer->details.local.cfg, occ, &core_startup_cb,
3199 &overlay_connect_notify, NULL, NULL, GNUNET_NO, NULL,
3200 GNUNET_NO, no_handlers);
3201 if (NULL == occ->ch)
3206 GNUNET_SCHEDULER_cancel (occ->timeout_task);
3208 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3213 * Callback which will be called to after a host registration succeeded or failed
3215 * @param cls the RegisteredHostContext
3216 * @param emsg the error message; NULL if host registration is successful
3219 registeredhost_registration_completion (void *cls, const char *emsg)
3221 struct RegisteredHostContext *rhc = cls;
3222 struct GNUNET_CONFIGURATION_Handle *cfg;
3223 uint32_t peer2_host_id;
3225 /* if (NULL != rhc->focc_dll_head) */
3226 /* process_next_focc (rhc); */
3227 peer2_host_id = GNUNET_TESTBED_host_get_id_ (rhc->reg_host);
3228 GNUNET_assert (RHC_INIT == rhc->state);
3229 GNUNET_assert (NULL == rhc->sub_op);
3230 if ((NULL == rhc->gateway2)
3231 || ((peer2_host_id < slave_list_size) /* Check if we have the needed config */
3232 && (NULL != slave_list[peer2_host_id])))
3234 rhc->state = RHC_LINK;
3235 cfg = (NULL == rhc->gateway2) ? our_config : slave_list[peer2_host_id]->cfg;
3237 GNUNET_TESTBED_controller_link (rhc,
3238 rhc->gateway->controller,
3245 rhc->state = RHC_GET_CFG;
3246 rhc->sub_op = GNUNET_TESTBED_get_slave_config (rhc,
3247 rhc->gateway2->controller,
3253 * Iterator to match a registered host context
3255 * @param cls pointer 2 pointer of RegisteredHostContext
3256 * @param key current key code
3257 * @param value value in the hash map
3258 * @return GNUNET_YES if we should continue to
3263 reghost_match_iterator (void *cls,
3264 const struct GNUNET_HashCode * key,
3267 struct RegisteredHostContext **rh = cls;
3268 struct RegisteredHostContext *rh_val = value;
3270 if ((rh_val->host == (*rh)->host) && (rh_val->reg_host == (*rh)->reg_host))
3281 * Function to generate the hashcode corresponding to a RegisteredHostContext
3283 * @param reg_host the host which is being registered in RegisteredHostContext
3284 * @param host the host of the controller which has to connect to the above rhost
3285 * @return the hashcode
3287 static struct GNUNET_HashCode
3288 hash_hosts (struct GNUNET_TESTBED_Host *reg_host,
3289 struct GNUNET_TESTBED_Host *host)
3291 struct GNUNET_HashCode hash;
3292 uint32_t host_ids[2];
3294 host_ids[0] = GNUNET_TESTBED_host_get_id_ (reg_host);
3295 host_ids[1] = GNUNET_TESTBED_host_get_id_ (host);
3296 GNUNET_CRYPTO_hash (host_ids, sizeof (host_ids), &hash);
3302 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT messages
3305 * @param client identification of the client
3306 * @param message the actual message
3309 handle_overlay_connect (void *cls, struct GNUNET_SERVER_Client *client,
3310 const struct GNUNET_MessageHeader *message)
3312 const struct GNUNET_TESTBED_OverlayConnectMessage *msg;
3313 const struct GNUNET_CORE_MessageHandler no_handlers[] = {
3317 struct OverlayConnectContext *occ;
3318 struct GNUNET_TESTBED_Controller *peer2_controller;
3319 uint64_t operation_id;
3322 uint32_t peer2_host_id;
3324 msg = (const struct GNUNET_TESTBED_OverlayConnectMessage *) message;
3325 p1 = ntohl (msg->peer1);
3326 p2 = ntohl (msg->peer2);
3327 peer2_host_id = ntohl (msg->peer2_host_id);
3328 GNUNET_assert (p1 < peer_list_size);
3329 GNUNET_assert (NULL != peer_list[p1]);
3330 peer = peer_list[p1];
3331 operation_id = GNUNET_ntohll (msg->operation_id);
3332 LOG_DEBUG ("Received overlay connect for peers %u and %u with op id: 0x%lx\n",
3333 p1, p2, operation_id);
3334 if (GNUNET_YES == peer->is_remote)
3336 struct ForwardedOperationContext *fopc;
3337 struct Route *route_to_peer2_host;
3338 struct Route *route_to_peer1_host;
3340 LOG_DEBUG ("Forwarding overlay connect\n");
3341 route_to_peer2_host = NULL;
3342 route_to_peer1_host = NULL;
3343 route_to_peer2_host = find_dest_route (peer2_host_id);
3344 if ((NULL != route_to_peer2_host)
3345 || (peer2_host_id == master_context->host_id))
3347 /* Peer 2 either below us OR with us */
3348 route_to_peer1_host =
3349 find_dest_route (peer_list[p1]->details.remote.remote_host_id);
3350 /* Because we get this message only if we know where peer 1 is */
3351 GNUNET_assert (NULL != route_to_peer1_host);
3352 if ((peer2_host_id == master_context->host_id)
3353 || (route_to_peer2_host->dest != route_to_peer1_host->dest))
3355 /* Peer2 is either with us OR peer1 and peer2 can be reached through
3356 different gateways */
3357 struct GNUNET_HashCode hash;
3358 struct RegisteredHostContext *rhc;
3361 rhc = GNUNET_malloc (sizeof (struct RegisteredHostContext));
3362 if (NULL != route_to_peer2_host)
3363 rhc->reg_host = host_list[route_to_peer2_host->dest];
3365 rhc->reg_host = host_list[master_context->host_id];
3366 rhc->host = host_list[route_to_peer1_host->dest];
3367 GNUNET_assert (NULL != rhc->reg_host);
3368 GNUNET_assert (NULL != rhc->host);
3369 rhc->gateway = peer->details.remote.slave;
3370 rhc->gateway2 = (NULL == route_to_peer2_host) ? NULL :
3371 slave_list[route_to_peer2_host->dest];
3372 rhc->state = RHC_INIT;
3373 GNUNET_SERVER_client_keep (client);
3374 rhc->client = client;
3375 hash = hash_hosts (rhc->reg_host, rhc->host);
3376 skip_focc = GNUNET_NO;
3378 GNUNET_CONTAINER_multihashmap_contains
3379 (peer->details.remote.slave->reghost_map, &hash))
3380 || (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple
3381 (peer->details.remote.slave->reghost_map, &hash,
3382 reghost_match_iterator, &rhc)))
3384 /* create and add a new registerd host context */
3385 /* add the focc to its queue */
3386 GNUNET_CONTAINER_multihashmap_put
3387 (peer->details.remote.slave->reghost_map,
3388 &hash, rhc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
3389 GNUNET_assert (NULL != host_list[peer2_host_id]);
3390 queue_host_registration (peer->details.remote.slave,
3391 registeredhost_registration_completion, rhc,
3392 host_list[peer2_host_id]);
3395 /* rhc is now set to the existing one from the hash map by
3396 reghost_match_iterator() */
3397 /* if queue is empty then ignore creating focc and proceed with
3398 normal forwarding */
3399 if (RHC_OL_CONNECT == rhc->state)
3400 skip_focc = GNUNET_YES;
3402 if (GNUNET_NO == skip_focc)
3404 struct ForwardedOverlayConnectContext *focc;
3406 focc = GNUNET_malloc (sizeof (struct ForwardedOverlayConnectContext));
3409 focc->peer2_host_id = peer2_host_id;
3410 focc->orig_msg = GNUNET_copy_message (message);
3411 focc->operation_id = operation_id;
3412 GNUNET_CONTAINER_DLL_insert_tail (rhc->focc_dll_head,
3415 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3420 fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
3421 GNUNET_SERVER_client_keep (client);
3422 fopc->client = client;
3423 fopc->operation_id = operation_id;
3424 fopc->type = OP_OVERLAY_CONNECT;
3426 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
3427 operation_id, message,
3428 &forwarded_operation_reply_relay,
3430 fopc->timeout_task =
3431 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
3433 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head, fopcq_tail, fopc);
3434 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3438 peer2_controller = NULL;
3439 if ((p2 >= peer_list_size) || (NULL == peer_list[p2]))
3441 if ((peer2_host_id >= slave_list_size)
3442 || (NULL ==slave_list[peer2_host_id]))
3444 LOG (GNUNET_ERROR_TYPE_WARNING,
3445 "Configuration of peer2's controller missing for connecting peers"
3446 "%u and %u\n", p1, p2);
3447 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3450 peer2_controller = slave_list[peer2_host_id]->controller;
3451 if (NULL == peer2_controller)
3453 GNUNET_break (0); /* What's going on? */
3454 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3460 if (GNUNET_YES == peer_list[p2]->is_remote)
3461 peer2_controller = peer_list[p2]->details.remote.slave->controller;
3463 occ = GNUNET_malloc (sizeof (struct OverlayConnectContext));
3464 GNUNET_CONTAINER_DLL_insert_tail (occq_head, occq_tail, occ);
3465 GNUNET_SERVER_client_keep (client);
3466 occ->client = client;
3468 occ->other_peer_id = p2;
3469 occ->peer = peer_list[p1];
3470 occ->op_id = GNUNET_ntohll (msg->operation_id);
3471 occ->peer2_controller = peer2_controller;
3472 /* Get the identity of the second peer */
3473 if (NULL != occ->peer2_controller)
3475 struct GNUNET_TESTBED_PeerGetConfigurationMessage cmsg;
3478 htons (sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage));
3479 cmsg.header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG);
3480 cmsg.peer_id = msg->peer2;
3481 cmsg.operation_id = msg->operation_id;
3483 GNUNET_TESTBED_forward_operation_msg_ (occ->peer2_controller,
3484 occ->op_id, &cmsg.header,
3485 &overlay_connect_get_config,
3488 GNUNET_strdup ("Timeout while getting peer identity of peer B\n");
3490 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
3491 (GNUNET_TIME_UNIT_SECONDS, 30),
3492 &timeout_overlay_connect, occ);
3493 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3496 GNUNET_TESTING_peer_get_identity (peer_list[occ->other_peer_id]->details.local.peer,
3497 &occ->other_peer_identity);
3498 /* Connect to the core of 1st peer and wait for the 2nd peer to connect */
3499 occ->emsg = GNUNET_strdup ("Timeout while connecting to CORE");
3500 occ->peer->reference_cnt++;
3502 GNUNET_CORE_connect (occ->peer->details.local.cfg, occ, &core_startup_cb,
3503 &overlay_connect_notify, NULL, NULL, GNUNET_NO, NULL,
3504 GNUNET_NO, no_handlers);
3505 if (NULL == occ->ch)
3507 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
3510 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
3511 (GNUNET_TIME_UNIT_SECONDS, 30),
3512 &timeout_overlay_connect, occ);
3513 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3518 * Function to cleanup RequestOverlayConnectContext and any associated tasks
3521 * @param rocc the RequestOverlayConnectContext
3524 cleanup_rocc (struct RequestOverlayConnectContext *rocc)
3526 LOG_DEBUG ("Cleaning up rocc\n");
3527 if (GNUNET_SCHEDULER_NO_TASK != rocc->attempt_connect_task_id)
3528 GNUNET_SCHEDULER_cancel (rocc->attempt_connect_task_id);
3529 if (GNUNET_SCHEDULER_NO_TASK != rocc->timeout_rocc_task_id)
3530 GNUNET_SCHEDULER_cancel (rocc->timeout_rocc_task_id);
3531 if (NULL != rocc->ohh)
3532 GNUNET_TRANSPORT_offer_hello_cancel (rocc->ohh);
3533 if (NULL != rocc->tcc.tch)
3534 GNUNET_TRANSPORT_try_connect_cancel (rocc->tcc.tch);
3535 if (GNUNET_SCHEDULER_NO_TASK != rocc->tcc.task)
3536 GNUNET_SCHEDULER_cancel (rocc->tcc.task);
3537 GNUNET_TRANSPORT_disconnect (rocc->tcc.th);
3538 rocc->peer->reference_cnt--;
3539 if ((GNUNET_YES == rocc->peer->destroy_flag)
3540 && (0 == rocc->peer->reference_cnt))
3541 destroy_peer (rocc->peer);
3542 GNUNET_free_non_null (rocc->hello);
3543 GNUNET_CONTAINER_DLL_remove (roccq_head, roccq_tail, rocc);
3549 * Task to timeout rocc and cleanit up
3551 * @param cls the RequestOverlayConnectContext
3552 * @param tc the TaskContext from scheduler
3555 timeout_rocc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3557 struct RequestOverlayConnectContext *rocc = cls;
3559 rocc->timeout_rocc_task_id = GNUNET_SCHEDULER_NO_TASK;
3560 cleanup_rocc (rocc);
3565 * Function called to notify transport users that another
3566 * peer connected to us.
3568 * @param cls closure
3569 * @param new_peer the peer that connected
3570 * @param ats performance data
3571 * @param ats_count number of entries in ats (excluding 0-termination)
3574 transport_connect_notify (void *cls, const struct GNUNET_PeerIdentity *new_peer,
3575 const struct GNUNET_ATS_Information * ats,
3578 struct RequestOverlayConnectContext *rocc = cls;
3580 LOG_DEBUG ("Request Overlay connect notify\n");
3581 if (0 != memcmp (new_peer, &rocc->a_id, sizeof (struct GNUNET_PeerIdentity)))
3583 LOG_DEBUG ("Peer %4s connected\n", GNUNET_i2s (&rocc->a_id));
3584 cleanup_rocc (rocc);
3589 * Task to offer the HELLO message to the peer and ask it to connect to the peer
3590 * whose identity is in RequestOverlayConnectContext
3592 * @param cls the RequestOverlayConnectContext
3593 * @param tc the TaskContext from scheduler
3596 attempt_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
3600 * Task that is run when hello has been sent
3602 * @param cls the overlay connect context
3603 * @param tc the scheduler task context; if tc->reason =
3604 * GNUNET_SCHEDULER_REASON_TIMEOUT then sending HELLO failed; if
3605 * GNUNET_SCHEDULER_REASON_READ_READY is succeeded
3608 rocc_hello_sent_cb (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3610 struct RequestOverlayConnectContext *rocc = cls;
3613 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == rocc->attempt_connect_task_id);
3614 if (GNUNET_SCHEDULER_REASON_TIMEOUT == tc->reason)
3617 rocc->attempt_connect_task_id =
3618 GNUNET_SCHEDULER_add_now (&attempt_connect_task,
3622 if (GNUNET_SCHEDULER_REASON_READ_READY != tc->reason)
3624 rocc->tcc.task = GNUNET_SCHEDULER_add_now (&try_connect_task, &rocc->tcc);
3629 * Task to offer the HELLO message to the peer and ask it to connect to the peer
3630 * whose identity is in RequestOverlayConnectContext
3632 * @param cls the RequestOverlayConnectContext
3633 * @param tc the TaskContext from scheduler
3636 attempt_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3638 struct RequestOverlayConnectContext *rocc = cls;
3640 rocc->attempt_connect_task_id = GNUNET_SCHEDULER_NO_TASK;
3641 rocc->ohh = GNUNET_TRANSPORT_offer_hello (rocc->tcc.th, rocc->hello,
3642 rocc_hello_sent_cb, rocc);
3643 if (NULL == rocc->ohh)
3644 rocc->attempt_connect_task_id =
3645 GNUNET_SCHEDULER_add_delayed
3646 (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
3647 100 + GNUNET_CRYPTO_random_u32
3648 (GNUNET_CRYPTO_QUALITY_WEAK, 500)),
3649 &attempt_connect_task, rocc);
3654 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT messages
3657 * @param client identification of the client
3658 * @param message the actual message
3661 handle_overlay_request_connect (void *cls, struct GNUNET_SERVER_Client *client,
3662 const struct GNUNET_MessageHeader *message)
3664 const struct GNUNET_TESTBED_RequestConnectMessage *msg;
3665 struct RequestOverlayConnectContext *rocc;
3671 msize = ntohs (message->size);
3672 if (sizeof (struct GNUNET_TESTBED_RequestConnectMessage) >= msize)
3675 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3678 msg = (const struct GNUNET_TESTBED_RequestConnectMessage *) message;
3679 if ((NULL == msg->hello) ||
3680 (GNUNET_MESSAGE_TYPE_HELLO != ntohs (msg->hello->type)))
3683 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3686 hsize = ntohs (msg->hello->size);
3687 if ((sizeof (struct GNUNET_TESTBED_RequestConnectMessage) + hsize) != msize)
3690 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3693 peer_id = ntohl (msg->peer);
3694 if ((peer_id >= peer_list_size) || (NULL == (peer = peer_list[peer_id])))
3696 GNUNET_break_op (0);
3697 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3700 if (GNUNET_YES == peer->is_remote)
3702 struct GNUNET_MessageHeader *msg2;
3704 msg2 = GNUNET_copy_message (message);
3705 GNUNET_TESTBED_queue_message_ (peer->details.remote.slave->controller, msg2);
3706 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3709 rocc = GNUNET_malloc (sizeof (struct RequestOverlayConnectContext));
3710 GNUNET_CONTAINER_DLL_insert_tail (roccq_head, roccq_tail, rocc);
3712 rocc->peer->reference_cnt++;
3713 rocc->tcc.th = GNUNET_TRANSPORT_connect (rocc->peer->details.local.cfg, NULL, rocc,
3714 NULL, &transport_connect_notify, NULL);
3715 if (NULL == rocc->tcc.th)
3719 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
3722 memcpy (&rocc->a_id, &msg->peer_identity,
3723 sizeof (struct GNUNET_PeerIdentity));
3724 rocc->tcc.pid = &rocc->a_id;
3725 rocc->hello = GNUNET_malloc (hsize);
3726 memcpy (rocc->hello, msg->hello, hsize);
3727 rocc->attempt_connect_task_id =
3728 GNUNET_SCHEDULER_add_now (&attempt_connect_task, rocc);
3729 rocc->timeout_rocc_task_id =
3730 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_rocc_task, rocc);
3731 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3736 * Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG messages
3739 * @param client identification of the client
3740 * @param message the actual message
3743 handle_slave_get_config (void *cls, struct GNUNET_SERVER_Client *client,
3744 const struct GNUNET_MessageHeader *message)
3746 struct GNUNET_TESTBED_SlaveGetConfigurationMessage *msg;
3747 struct Slave *slave;
3748 struct GNUNET_TESTBED_SlaveConfiguration *reply;
3752 size_t xconfig_size;
3757 msg = (struct GNUNET_TESTBED_SlaveGetConfigurationMessage *) message;
3758 slave_id = ntohl (msg->slave_id);
3759 op_id = GNUNET_ntohll (msg->operation_id);
3760 if ((slave_list_size <= slave_id) || (NULL == slave_list[slave_id]))
3762 /* FIXME: Add forwardings for this type of message here.. */
3763 send_operation_fail_msg (client, op_id, "Slave not found");
3764 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3767 slave = slave_list[slave_id];
3768 if (NULL == slave->cfg)
3770 send_operation_fail_msg (client, op_id,
3771 "Configuration not found (slave not started by me)");
3772 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3775 config = GNUNET_CONFIGURATION_serialize (slave->cfg, &config_size);
3776 xconfig_size = GNUNET_TESTBED_compress_config_ (config, config_size,
3778 GNUNET_free (config);
3779 reply_size = xconfig_size + sizeof (struct GNUNET_TESTBED_SlaveConfiguration);
3780 GNUNET_break (reply_size <= UINT16_MAX);
3781 GNUNET_break (config_size <= UINT16_MAX);
3782 reply = GNUNET_realloc (xconfig, reply_size);
3783 (void) memmove (&reply[1], reply, xconfig_size);
3784 reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_SLAVECONFIG);
3785 reply->header.size = htons ((uint16_t) reply_size);
3786 reply->slave_id = msg->slave_id;
3787 reply->operation_id = msg->operation_id;
3788 reply->config_size = htons ((uint16_t) config_size);
3789 queue_message (client, &reply->header);
3790 GNUNET_SERVER_receive_done (client, GNUNET_OK);
3795 * Iterator over hash map entries.
3797 * @param cls closure
3798 * @param key current key code
3799 * @param value value in the hash map
3800 * @return GNUNET_YES if we should continue to
3805 ss_map_free_iterator (void *cls, const struct GNUNET_HashCode *key, void *value)
3807 struct SharedService *ss = value;
3809 GNUNET_assert (GNUNET_YES ==
3810 GNUNET_CONTAINER_multihashmap_remove (ss_map, key, value));
3811 GNUNET_free (ss->name);
3818 * Iterator for freeing hash map entries in a slave's reghost_map
3820 * @param cls handle to the slave
3821 * @param key current key code
3822 * @param value value in the hash map
3823 * @return GNUNET_YES if we should continue to
3828 reghost_free_iterator (void *cls,
3829 const struct GNUNET_HashCode * key,
3832 struct Slave *slave = cls;
3833 struct RegisteredHostContext *rhc = value;
3834 struct ForwardedOverlayConnectContext *focc;
3836 GNUNET_assert (GNUNET_YES ==
3837 GNUNET_CONTAINER_multihashmap_remove (slave->reghost_map,
3839 while (NULL != (focc = rhc->focc_dll_head))
3841 GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head,
3844 cleanup_focc (focc);
3846 if (NULL != rhc->sub_op)
3847 GNUNET_TESTBED_operation_done (rhc->sub_op);
3848 if (NULL != rhc->client)
3849 GNUNET_SERVER_client_drop (rhc->client);
3850 GNUNET_free (value);
3856 * Task to clean up and shutdown nicely
3859 * @param tc the TaskContext from scheduler
3862 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
3864 struct LCFContextQueue *lcfq;
3865 struct OverlayConnectContext *occ;
3866 struct RequestOverlayConnectContext *rocc;
3867 struct ForwardedOperationContext *fopc;
3868 struct MessageQueue *mq_entry;
3871 shutdown_task_id = GNUNET_SCHEDULER_NO_TASK;
3872 LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down testbed service\n");
3873 (void) GNUNET_CONTAINER_multihashmap_iterate (ss_map, &ss_map_free_iterator,
3875 GNUNET_CONTAINER_multihashmap_destroy (ss_map);
3876 /* cleanup any remaining forwarded operations */
3877 while (NULL != (fopc = fopcq_head))
3879 GNUNET_CONTAINER_DLL_remove (fopcq_head, fopcq_tail, fopc);
3880 GNUNET_TESTBED_forward_operation_msg_cancel_ (fopc->opc);
3881 if (GNUNET_SCHEDULER_NO_TASK != fopc->timeout_task)
3882 GNUNET_SCHEDULER_cancel (fopc->timeout_task);
3883 GNUNET_SERVER_client_drop (fopc->client);
3886 case OP_PEER_CREATE:
3887 GNUNET_free (fopc->cls);
3891 case OP_PEER_DESTROY:
3893 case OP_OVERLAY_CONNECT:
3894 case OP_LINK_CONTROLLERS:
3895 case OP_GET_SLAVE_CONFIG:
3902 if (NULL != lcfq_head)
3904 if (GNUNET_SCHEDULER_NO_TASK != lcf_proc_task_id)
3906 GNUNET_SCHEDULER_cancel (lcf_proc_task_id);
3907 lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
3910 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
3911 for (lcfq = lcfq_head; NULL != lcfq; lcfq = lcfq_head)
3913 GNUNET_free (lcfq->lcf->msg);
3914 GNUNET_free (lcfq->lcf);
3915 GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
3918 while (NULL != (occ = occq_head))
3920 while (NULL != (rocc = roccq_head))
3921 cleanup_rocc (rocc);
3922 /* Clear peer list */
3923 for (id = 0; id < peer_list_size; id++)
3924 if (NULL != peer_list[id])
3926 /* If destroy flag is set it means that this peer should have been
3927 destroyed by a context which we destroy before */
3928 GNUNET_break (GNUNET_NO == peer_list[id]->destroy_flag);
3929 /* counter should be zero as we free all contexts before */
3930 GNUNET_break (0 == peer_list[id]->reference_cnt);
3931 if ( (GNUNET_NO == peer_list[id]->is_remote)
3932 && (GNUNET_YES == peer_list[id]->details.local.is_running))
3933 GNUNET_TESTING_peer_kill (peer_list[id]->details.local.peer);
3935 for (id = 0; id < peer_list_size; id++)
3936 if (NULL != peer_list[id])
3938 if (GNUNET_NO == peer_list[id]->is_remote)
3940 if (GNUNET_YES == peer_list[id]->details.local.is_running)
3941 GNUNET_TESTING_peer_wait (peer_list[id]->details.local.peer);
3942 GNUNET_TESTING_peer_destroy (peer_list[id]->details.local.peer);
3943 GNUNET_CONFIGURATION_destroy (peer_list[id]->details.local.cfg);
3945 GNUNET_free (peer_list[id]);
3947 GNUNET_free_non_null (peer_list);
3948 /* Clear host list */
3949 for (id = 0; id < host_list_size; id++)
3950 if (NULL != host_list[id])
3951 GNUNET_TESTBED_host_destroy (host_list[id]);
3952 GNUNET_free_non_null (host_list);
3953 /* Clear route list */
3954 for (id = 0; id < route_list_size; id++)
3955 if (NULL != route_list[id])
3956 GNUNET_free (route_list[id]);
3957 GNUNET_free_non_null (route_list);
3958 /* Clear slave_list */
3959 for (id = 0; id < slave_list_size; id++)
3960 if (NULL != slave_list[id])
3962 struct HostRegistration *hr_entry;
3964 while (NULL != (hr_entry = slave_list[id]->hr_dll_head))
3966 GNUNET_CONTAINER_DLL_remove (slave_list[id]->hr_dll_head,
3967 slave_list[id]->hr_dll_tail,
3969 GNUNET_free (hr_entry);
3971 if (NULL != slave_list[id]->rhandle)
3972 GNUNET_TESTBED_cancel_registration (slave_list[id]->rhandle);
3973 (void) GNUNET_CONTAINER_multihashmap_iterate (slave_list[id]->reghost_map,
3974 reghost_free_iterator,
3976 GNUNET_CONTAINER_multihashmap_destroy (slave_list[id]->reghost_map);
3977 if (NULL != slave_list[id]->cfg)
3978 GNUNET_CONFIGURATION_destroy (slave_list[id]->cfg);
3979 if (NULL != slave_list[id]->controller)
3980 GNUNET_TESTBED_controller_disconnect (slave_list[id]->controller);
3981 if (NULL != slave_list[id]->controller_proc)
3982 GNUNET_TESTBED_controller_stop (slave_list[id]->controller_proc);
3983 GNUNET_free (slave_list[id]);
3985 GNUNET_free_non_null (slave_list);
3986 if (NULL != master_context)
3988 GNUNET_free_non_null (master_context->master_ip);
3989 if (NULL != master_context->system)
3990 GNUNET_TESTING_system_destroy (master_context->system, GNUNET_YES);
3991 GNUNET_SERVER_client_drop (master_context->client);
3992 GNUNET_free (master_context);
3993 master_context = NULL;
3995 if (NULL != transmit_handle)
3996 GNUNET_SERVER_notify_transmit_ready_cancel (transmit_handle);
3997 while (NULL != (mq_entry = mq_head))
3999 GNUNET_free (mq_entry->msg);
4000 GNUNET_SERVER_client_drop (mq_entry->client);
4001 GNUNET_CONTAINER_DLL_remove (mq_head, mq_tail, mq_entry);
4002 GNUNET_free (mq_entry);
4004 GNUNET_free_non_null (hostname);
4005 GNUNET_CONFIGURATION_destroy (our_config);
4010 * Callback for client disconnect
4013 * @param client the client which has disconnected
4016 client_disconnect_cb (void *cls, struct GNUNET_SERVER_Client *client)
4018 if (NULL == master_context)
4020 if (client == master_context->client)
4022 LOG (GNUNET_ERROR_TYPE_DEBUG, "Master client disconnected\n");
4023 /* should not be needed as we're terminated by failure to read
4024 * from stdin, but if stdin fails for some reason, this shouldn't
4025 * hurt for now --- might need to revise this later if we ever
4026 * decide that master connections might be temporarily down
4027 * for some reason */
4028 //GNUNET_SCHEDULER_shutdown ();
4036 * @param cls closure
4037 * @param server the initialized server
4038 * @param cfg configuration to use
4041 testbed_run (void *cls, struct GNUNET_SERVER_Handle *server,
4042 const struct GNUNET_CONFIGURATION_Handle *cfg)
4044 static const struct GNUNET_SERVER_MessageHandler message_handlers[] = {
4045 {&handle_init, NULL, GNUNET_MESSAGE_TYPE_TESTBED_INIT, 0},
4046 {&handle_add_host, NULL, GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST, 0},
4047 {&handle_configure_shared_service, NULL,
4048 GNUNET_MESSAGE_TYPE_TESTBED_SERVICESHARE, 0},
4049 {&handle_link_controllers, NULL,
4050 GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS, 0},
4051 {&handle_peer_create, NULL, GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER, 0},
4052 {&handle_peer_destroy, NULL, GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER,
4053 sizeof (struct GNUNET_TESTBED_PeerDestroyMessage)},
4054 {&handle_peer_start, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STARTPEER,
4055 sizeof (struct GNUNET_TESTBED_PeerStartMessage)},
4056 {&handle_peer_stop, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STOPPEER,
4057 sizeof (struct GNUNET_TESTBED_PeerStopMessage)},
4058 {&handle_peer_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG,
4059 sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage)},
4060 {&handle_overlay_connect, NULL, GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT,
4061 sizeof (struct GNUNET_TESTBED_OverlayConnectMessage)},
4062 {&handle_overlay_request_connect, NULL, GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT,
4064 {handle_slave_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG,
4065 sizeof (struct GNUNET_TESTBED_SlaveGetConfigurationMessage)},
4069 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string
4070 (cfg, "testbed", "HOSTNAME", &hostname));
4071 our_config = GNUNET_CONFIGURATION_dup (cfg);
4072 GNUNET_SERVER_add_handlers (server, message_handlers);
4073 GNUNET_SERVER_disconnect_notify (server, &client_disconnect_cb, NULL);
4074 ss_map = GNUNET_CONTAINER_multihashmap_create (5, GNUNET_NO);
4076 GNUNET_SCHEDULER_add_delayed_with_priority (GNUNET_TIME_UNIT_FOREVER_REL,
4077 GNUNET_SCHEDULER_PRIORITY_IDLE,
4078 &shutdown_task, NULL);
4079 LOG_DEBUG ("Testbed startup complete\n");
4080 event_mask = 1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED;
4085 * The starting point of execution
4088 main (int argc, char *const *argv)
4090 //sleep (15); /* Debugging */
4091 return (GNUNET_OK ==
4092 GNUNET_SERVICE_run (argc, argv, "testbed", GNUNET_SERVICE_OPTION_NONE,
4093 &testbed_run, NULL)) ? 0 : 1;
4096 /* end of gnunet-service-testbed.c */