/**
* Default timeout for operations which may take some time
*/
-#define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 30)
+#define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 60)
/**
* The main context information associated with the client which started us
struct LinkControllersContext;
+/**
+ * A DLL of host registrations to be made
+ */
+struct HostRegistration
+{
+ /**
+ * next registration in the DLL
+ */
+ struct HostRegistration *next;
+
+ /**
+ * previous registration in the DLL
+ */
+ struct HostRegistration *prev;
+
+ /**
+ * The callback to call after this registration's status is available
+ */
+ GNUNET_TESTBED_HostRegistrationCompletion cb;
+
+ /**
+ * The closure for the above callback
+ */
+ void *cb_cls;
+
+ /**
+ * The host that has to be registered
+ */
+ struct GNUNET_TESTBED_Host *host;
+};
+
+
+/**
+ * This context information will be created for each host that is registered at
+ * slave controllers during overlay connects.
+ */
+struct RegisteredHostContext
+{
+ /**
+ * The host which is being registered
+ */
+ struct GNUNET_TESTBED_Host *reg_host;
+
+ /**
+ * The host of the controller which has to connect to the above rhost
+ */
+ struct GNUNET_TESTBED_Host *host;
+
+ /**
+ * The gateway to which this operation is forwarded to
+ */
+ struct Slave *gateway;
+
+ /**
+ * The gateway through which peer2's controller can be reached
+ */
+ struct Slave *gateway2;
+
+ /**
+ * Handle for sub-operations
+ */
+ struct GNUNET_TESTBED_Operation *sub_op;
+
+ /**
+ * The client which initiated the link controller operation
+ */
+ struct GNUNET_SERVER_Client *client;
+
+ /**
+ * Head of the ForwardedOverlayConnectContext DLL
+ */
+ struct ForwardedOverlayConnectContext *focc_dll_head;
+
+ /**
+ * Tail of the ForwardedOverlayConnectContext DLL
+ */
+ struct ForwardedOverlayConnectContext *focc_dll_tail;
+
+ /**
+ * Enumeration of states for this context
+ */
+ enum RHCState {
+
+ /**
+ * The initial state
+ */
+ RHC_INIT = 0,
+
+ /**
+ * State where we attempt to get peer2's controller configuration
+ */
+ RHC_GET_CFG,
+
+ /**
+ * State where we attempt to link the controller of peer 1 to the controller
+ * of peer2
+ */
+ RHC_LINK,
+
+ /**
+ * State where we attempt to do the overlay connection again
+ */
+ RHC_OL_CONNECT
+
+ } state;
+
+};
+
+
+/**
+ * Function to generate the hashcode corresponding to a RegisteredHostContext
+ *
+ * @param reg_host the host which is being registered in RegisteredHostContext
+ * @param host the host of the controller which has to connect to the above rhost
+ * @return the hashcode
+ */
+static struct GNUNET_HashCode
+hash_hosts (struct GNUNET_TESTBED_Host *reg_host,
+ struct GNUNET_TESTBED_Host *host)
+{
+ struct GNUNET_HashCode hash;
+ uint32_t host_ids[2];
+
+ host_ids[0] = GNUNET_TESTBED_host_get_id_ (reg_host);
+ host_ids[1] = GNUNET_TESTBED_host_get_id_ (host);
+ GNUNET_CRYPTO_hash (host_ids, sizeof (host_ids), &hash);
+ return hash;
+}
+
+
/**
* Structure representing a connected(directly-linked) controller
*/
*/
struct LinkControllersContext *lcc;
+ /**
+ * Head of the host registration DLL
+ */
+ struct HostRegistration *hr_dll_head;
+
+ /**
+ * Tail of the host registration DLL
+ */
+ struct HostRegistration *hr_dll_tail;
+
+ /**
+ * The current host registration handle
+ */
+ struct GNUNET_TESTBED_HostRegistrationHandle *rhandle;
+
+ /**
+ * Hashmap to hold Registered host contexts
+ */
+ struct GNUNET_CONTAINER_MultiHashMap *reghost_map;
+
/**
* The id of the host this controller is running on
*/
uint32_t host_id;
+
};
*/
struct GNUNET_SERVER_Client *client;
- /**
- * The host registration handle while registered hosts in this context
- */
- struct GNUNET_TESTBED_HostRegistrationHandle *rhandle;
-
/**
* The id of the operation which created this context
*/
struct
{
/**
- * The controller this peer is started through
+ * The slave this peer is started through
*/
- struct GNUNET_TESTBED_Controller *controller;
+ struct Slave *slave;
/**
* The id of the remote host this peer is running on
struct ForwardedOverlayConnectContext
{
/**
- * The gateway controller to which this operation is forwarded to
- */
- struct GNUNET_TESTBED_Controller *gateway;
-
- /**
- * The gateway controller through which peer2's controller can be reached
+ * next ForwardedOverlayConnectContext in the DLL
*/
- struct GNUNET_TESTBED_Controller *gateway2;
+ struct ForwardedOverlayConnectContext *next;
/**
- * Handle for sub-operations
+ * previous ForwardedOverlayConnectContext in the DLL
*/
- struct GNUNET_TESTBED_Operation *sub_op;
-
- /**
- * The client which initiated the link controller operation
- */
- struct GNUNET_SERVER_Client *client;
+ struct ForwardedOverlayConnectContext *prev;
/**
* A copy of the original overlay connect message
*/
struct GNUNET_MessageHeader *orig_msg;
- /**
- * The host registration handle while registered hosts in this context
- */
- struct GNUNET_TESTBED_HostRegistrationHandle *rhandle;
-
/**
* The id of the operation which created this context information
*/
uint64_t operation_id;
- /**
- * Id of the timeout task;
- */
- GNUNET_SCHEDULER_TaskIdentifier timeout_task;
-
- /**
- * Enumeration of states for this context
- */
- enum FOCCState {
-
- /**
- * The initial state
- */
- FOCC_INIT = 0,
-
- /**
- * State where we attempt to register peer2's controller with peer1's controller
- */
- FOCC_REGISTER,
-
- /**
- * State where we attempt to get peer2's controller configuration
- */
- FOCC_GET_CFG,
-
- /**
- * State where we attempt to link the controller of peer 1 to the controller
- * of peer2
- */
- FOCC_LINK,
-
- /**
- * State where we attempt to do the overlay connection again
- */
- FOCC_OL_CONNECT
-
- } state;
-
/**
* the id of peer 1
*/
static void
slave_list_add (struct Slave *slave)
{
+ uint32_t orig_size;
+
+ orig_size = slave_list_size;
if (slave->host_id >= slave_list_size)
{
+ while (slave->host_id >= slave_list_size)
+ slave_list_size += LIST_GROW_STEP;
slave_list =
- TESTBED_realloc (slave_list, sizeof (struct Slave *) * slave_list_size,
- sizeof (struct Slave *) * (slave_list_size +
- LIST_GROW_STEP));
- slave_list_size += LIST_GROW_STEP;
+ TESTBED_realloc (slave_list, sizeof (struct Slave *) * orig_size,
+ sizeof (struct Slave *) * slave_list_size);
}
GNUNET_assert (NULL == slave_list[slave->host_id]);
slave_list[slave->host_id] = slave;
}
+/**
+ * Callback which will be called to after a host registration succeeded or failed
+ *
+ * @param cls the handle to the slave at which the registration is completed
+ * @param emsg the error message; NULL if host registration is successful
+ */
+static void
+hr_completion (void *cls, const char *emsg);
+
+
+/**
+ * Attempts to register the next host in the host registration queue
+ *
+ * @param slave the slave controller whose host registration queue is checked
+ * for host registrations
+ */
+static void
+register_next_host (struct Slave *slave)
+{
+ struct HostRegistration *hr;
+
+ hr = slave->hr_dll_head;
+ GNUNET_assert (NULL != hr);
+ GNUNET_assert (NULL == slave->rhandle);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Registering host %u at %u\n",
+ GNUNET_TESTBED_host_get_id_ (hr->host),
+ GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
+ slave->rhandle = GNUNET_TESTBED_register_host (slave->controller,
+ hr->host,
+ hr_completion,
+ slave);
+}
+
+
+/**
+ * Callback which will be called to after a host registration succeeded or failed
+ *
+ * @param cls the handle to the slave at which the registration is completed
+ * @param emsg the error message; NULL if host registration is successful
+ */
+static void
+hr_completion (void *cls, const char *emsg)
+{
+ struct Slave *slave = cls;
+ struct HostRegistration *hr;
+
+ slave->rhandle = NULL;
+ hr = slave->hr_dll_head;
+ GNUNET_assert (NULL != hr);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Registering host %u at %u successful\n",
+ GNUNET_TESTBED_host_get_id_ (hr->host),
+ GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
+ GNUNET_CONTAINER_DLL_remove (slave->hr_dll_head,
+ slave->hr_dll_tail,
+ hr);
+ if (NULL != hr->cb)
+ hr->cb (hr->cb_cls, emsg);
+ GNUNET_free (hr);
+ if (NULL != slave->hr_dll_head)
+ register_next_host (slave);
+}
+
+
+/**
+ * Adds a host registration's request to a slave's registration queue
+ *
+ * @param slave the slave controller at which the given host has to be
+ * registered
+ * @param cb the host registration completion callback
+ * @param cb_cls the closure for the host registration completion callback
+ * @param host the host which has to be registered
+ */
+static void
+queue_host_registration (struct Slave *slave,
+ GNUNET_TESTBED_HostRegistrationCompletion cb,
+ void *cb_cls,
+ struct GNUNET_TESTBED_Host *host)
+{
+ struct HostRegistration *hr;
+ int call_register;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Queueing host registration for host %u at %u\n",
+ GNUNET_TESTBED_host_get_id_ (host),
+ GNUNET_TESTBED_host_get_id_ (host_list[slave->host_id]));
+ hr = GNUNET_malloc (sizeof (struct HostRegistration));
+ hr->cb = cb;
+ hr->cb_cls = cb_cls;
+ hr->host = host;
+ call_register = (NULL == slave->hr_dll_head) ? GNUNET_YES : GNUNET_NO;
+ GNUNET_CONTAINER_DLL_insert_tail (slave->hr_dll_head,
+ slave->hr_dll_tail,
+ hr);
+ if (GNUNET_YES == call_register)
+ register_next_host (slave);
+}
+
+
/**
* The Link Controller forwarding task
*
{
struct LCFContext *lcf = cls;
- lcf->rhandle = NULL;
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
switch (lcf->state)
{
GNUNET_TESTBED_is_host_registered_ (host_list[lcf->delegated_host_id],
lcf->gateway->controller))
{
- lcf->rhandle =
- GNUNET_TESTBED_register_host (lcf->gateway->controller,
- host_list[lcf->delegated_host_id],
- lcf_proc_cc, lcf);
+ queue_host_registration (lcf->gateway,
+ lcf_proc_cc, lcf,
+ host_list[lcf->delegated_host_id]);
}
else
{
GNUNET_TESTBED_is_host_registered_ (host_list[lcf->slave_host_id],
lcf->gateway->controller))
{
- lcf->rhandle =
- GNUNET_TESTBED_register_host (lcf->gateway->controller,
- host_list[lcf->slave_host_id],
- lcf_proc_cc, lcf);
+ queue_host_registration (lcf->gateway,
+ lcf_proc_cc, lcf,
+ host_list[lcf->slave_host_id]);
}
else
{
}
+/**
+ * Cleans up ForwardedOverlayConnectContext
+ *
+ * @param focc the ForwardedOverlayConnectContext to cleanup
+ */
+static void
+cleanup_focc (struct ForwardedOverlayConnectContext *focc)
+{
+ GNUNET_free_non_null (focc->orig_msg);
+ GNUNET_free (focc);
+}
+
+
+/**
+ * Processes a forwarded overlay connect context in the queue of the given RegisteredHostContext
+ *
+ * @param rhc the RegisteredHostContext
+ */
+static void
+process_next_focc (struct RegisteredHostContext *rhc);
+
+
+/**
+ * Timeout task for cancelling a forwarded overlay connect connect
+ *
+ * @param cls the ForwardedOverlayConnectContext
+ * @param tc the task context from the scheduler
+ */
+static void
+forwarded_overlay_connect_timeout (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext
+ *tc)
+{
+ struct ForwardedOperationContext *fopc = cls;
+ struct RegisteredHostContext *rhc;
+ struct ForwardedOverlayConnectContext *focc;
+
+ rhc = fopc->cls;
+ focc = rhc->focc_dll_head;
+ GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head, rhc->focc_dll_tail, focc);
+ cleanup_focc (focc);
+ LOG_DEBUG ("Overlay linking between peers %u and %u failed\n",
+ focc->peer1, focc->peer2);
+ forwarded_operation_timeout (cls, tc);
+ if (NULL != rhc->focc_dll_head)
+ process_next_focc (rhc);
+}
+
+
/**
* Callback to be called when forwarded overlay connection operation has a reply
* from the sub-controller successfull. We have to relay the reply msg back to
*/
static void
forwarded_overlay_connect_listener (void *cls,
- const struct GNUNET_MessageHeader *msg);
+ const struct GNUNET_MessageHeader *msg)
+{
+ struct ForwardedOperationContext *fopc = cls;
+ struct RegisteredHostContext *rhc;
+ struct ForwardedOverlayConnectContext *focc;
+
+ rhc = fopc->cls;
+ forwarded_operation_reply_relay (cls, msg);
+ focc = rhc->focc_dll_head;
+ GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head, rhc->focc_dll_tail, focc);
+ cleanup_focc (focc);
+ if (NULL != rhc->focc_dll_head)
+ process_next_focc (rhc);
+}
/**
- * Cleans up ForwardedOverlayConnectContext
+ * Processes a forwarded overlay connect context in the queue of the given RegisteredHostContext
*
- * @param focc the ForwardedOverlayConnectContext to cleanup
+ * @param rhc the RegisteredHostContext
*/
static void
-cleanup_focc (struct ForwardedOverlayConnectContext *focc)
+process_next_focc (struct RegisteredHostContext *rhc)
{
- if (GNUNET_SCHEDULER_NO_TASK != focc->timeout_task)
- GNUNET_SCHEDULER_cancel (focc->timeout_task);
- if (NULL != focc->sub_op)
- GNUNET_TESTBED_operation_done (focc->sub_op);
- if (NULL != focc->client)
- GNUNET_SERVER_client_drop (focc->client);
- if (NULL != focc->rhandle)
- GNUNET_TESTBED_cancel_registration (focc->rhandle);
- GNUNET_free_non_null (focc->orig_msg);
- GNUNET_free (focc);
+ struct ForwardedOperationContext *fopc;
+ struct ForwardedOverlayConnectContext *focc;
+
+ focc = rhc->focc_dll_head;
+ GNUNET_assert (NULL != focc);
+ GNUNET_assert (RHC_OL_CONNECT == rhc->state);
+ fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
+ GNUNET_SERVER_client_keep (rhc->client);
+ fopc->client = rhc->client;
+ fopc->operation_id = focc->operation_id;
+ fopc->cls = rhc;
+ fopc->opc =
+ GNUNET_TESTBED_forward_operation_msg_ (rhc->gateway->controller,
+ focc->operation_id, focc->orig_msg,
+ &forwarded_overlay_connect_listener,
+ fopc);
+ GNUNET_free (focc->orig_msg);
+ focc->orig_msg = NULL;
+ fopc->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_overlay_connect_timeout,
+ fopc);
}
+
/**
* Callback for event from slave controllers
*
slave_event_callback (void *cls,
const struct GNUNET_TESTBED_EventInformation *event)
{
- struct ForwardedOverlayConnectContext *focc;
- struct ForwardedOperationContext *fopc;
- struct GNUNET_CONFIGURATION_Handle *slave_cfg;
+ struct RegisteredHostContext *rhc;
+ struct GNUNET_CONFIGURATION_Handle *cfg;
struct GNUNET_TESTBED_Operation *old_op;
- char *emsg;
-
- /* We currently only get here when doing overlay connect operations and that
- too while trying out sub operations */
+
+ /* We currently only get here when working on RegisteredHostContexts */
GNUNET_assert (GNUNET_TESTBED_ET_OPERATION_FINISHED == event->type);
- focc = event->details.operation_finished.op_cls;
- LOG_DEBUG ("Operation successful\n");
- if (NULL != event->details.operation_finished.emsg)
- {
- GNUNET_asprintf (&emsg, "Failure executing suboperation: %s",
- event->details.operation_finished.emsg);
- send_operation_fail_msg (focc->client, focc->operation_id,
- emsg);
- GNUNET_free (emsg);
- cleanup_focc (focc);
- return;
- }
- switch (focc->state)
- {
- case FOCC_GET_CFG:
- slave_cfg = event->details.operation_finished.generic;
- old_op = focc->sub_op;
- focc->state = FOCC_LINK;
- focc->sub_op = GNUNET_TESTBED_controller_link_ (focc,
- focc->gateway,
- focc->peer2_host_id,
- peer_list[focc->peer1]->details.remote.remote_host_id,
- slave_cfg,
- GNUNET_NO);
+ rhc = event->details.operation_finished.op_cls;
+ GNUNET_assert (rhc->sub_op == event->details.operation_finished.operation);
+ switch (rhc->state)
+ {
+ case RHC_GET_CFG:
+ cfg = event->details.operation_finished.generic;
+ old_op = rhc->sub_op;
+ rhc->state = RHC_LINK;
+ rhc->sub_op =
+ GNUNET_TESTBED_controller_link (rhc,
+ rhc->gateway->controller,
+ rhc->reg_host,
+ rhc->host,
+ cfg,
+ GNUNET_NO);
GNUNET_TESTBED_operation_done (old_op);
break;
- case FOCC_LINK:
+ case RHC_LINK:
LOG_DEBUG ("OL: Linking controllers successfull\n");
- GNUNET_TESTBED_operation_done (focc->sub_op);
- focc->sub_op = NULL;
- focc->state = FOCC_OL_CONNECT;
- fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
- fopc->client = focc->client;
- focc->client = NULL;
- fopc->operation_id = focc->operation_id;
- fopc->cls = NULL;
- fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (focc->gateway,
- focc->operation_id, focc->orig_msg,
- &forwarded_operation_reply_relay,
- fopc);
- GNUNET_free (focc->orig_msg);
- focc->orig_msg = NULL;
- fopc->timeout_task =
- GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
- fopc);
- cleanup_focc (focc);
+ GNUNET_TESTBED_operation_done (rhc->sub_op);
+ rhc->sub_op = NULL;
+ rhc->state = RHC_OL_CONNECT;
+ process_next_focc (rhc);
break;
default:
GNUNET_assert (0);
}
- return;
}
}
slave = GNUNET_malloc (sizeof (struct Slave));
slave->host_id = delegated_host_id;
+ slave->reghost_map = GNUNET_CONTAINER_multihashmap_create (100, GNUNET_NO);
slave_list_add (slave);
if (1 != msg->is_subordinate)
{
peer = GNUNET_malloc (sizeof (struct Peer));
peer->is_remote = GNUNET_YES;
peer->id = peer_id;
- peer->details.remote.controller = slave_list[route->dest]->controller;
+ peer->details.remote.slave = slave_list[route->dest];
peer->details.remote.remote_host_id = host_id;
fo_ctxt = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
GNUNET_SERVER_client_keep (client);
GNUNET_SERVER_client_keep (client);
fopc->client = client;
fopc->operation_id = GNUNET_ntohll (msg->operation_id);
- fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.controller,
+ fopc->opc =
+ GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
fopc->operation_id, &msg->header,
&forwarded_operation_reply_relay,
fopc);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
+ if (GNUNET_YES == peer->details.local.is_running)
+ {
+ GNUNET_TESTING_peer_stop (peer->details.local.peer);
+ peer->details.local.is_running = GNUNET_NO;
+ }
GNUNET_TESTING_peer_destroy (peer->details.local.peer);
GNUNET_CONFIGURATION_destroy (peer->details.local.cfg);
peer_list_remove (peer);
fopc->client = client;
fopc->operation_id = GNUNET_ntohll (msg->operation_id);
fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.controller,
+ GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
fopc->operation_id, &msg->header,
&forwarded_operation_reply_relay,
fopc);
fopc->client = client;
fopc->operation_id = GNUNET_ntohll (msg->operation_id);
fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.controller,
+ GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
fopc->operation_id, &msg->header,
&forwarded_operation_reply_relay,
fopc);
fopc->client = client;
fopc->operation_id = GNUNET_ntohll (msg->operation_id);
fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.controller,
+ GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
fopc->operation_id, &msg->header,
&forwarded_operation_reply_relay,
fopc);
/**
- * This callback is a part of overlay connect operation. This will be run when
- * the registration operation of peer2's controller is completed at peer1's
- * controller
+ * Callback which will be called to after a host registration succeeded or failed
*
- * @param cls the ForwardedOverlayConnectContext
- * @param emsg the error message in case of any failure; NULL if host
- * registration is successfull.
+ * @param cls the RegisteredHostContext
+ * @param emsg the error message; NULL if host registration is successful
*/
-static void
-focc_reg_completion_cc (void *cls, const char *emsg)
+static void
+registeredhost_registration_completion (void *cls, const char *emsg)
{
- struct ForwardedOverlayConnectContext *focc = cls;
+ struct RegisteredHostContext *rhc = cls;
struct GNUNET_CONFIGURATION_Handle *cfg;
+ uint32_t peer2_host_id;
- GNUNET_assert (FOCC_REGISTER == focc->state);
- focc->rhandle = NULL;
- GNUNET_assert (NULL == focc->sub_op);
- LOG_DEBUG ("[%u -> %u] Registering peer2's host successful\n",
- focc->peer1, focc->peer2);
- if ((NULL == focc->gateway2)
- || ((focc->peer2_host_id < slave_list_size) /* Check if we have the needed config */
- && (NULL != slave_list[focc->peer2_host_id])))
- {
- focc->state = FOCC_LINK;
- cfg = (NULL == focc->gateway2) ?
- our_config : slave_list[focc->peer2_host_id]->cfg;
- focc->sub_op =
- GNUNET_TESTBED_controller_link_ (focc,
- focc->gateway,
- focc->peer2_host_id,
- peer_list[focc->peer1]->details.remote.remote_host_id,
- cfg,
- GNUNET_NO);
+ /* if (NULL != rhc->focc_dll_head) */
+ /* process_next_focc (rhc); */
+ peer2_host_id = GNUNET_TESTBED_host_get_id_ (rhc->reg_host);
+ GNUNET_assert (RHC_INIT == rhc->state);
+ GNUNET_assert (NULL == rhc->sub_op);
+ if ((NULL == rhc->gateway2)
+ || ((peer2_host_id < slave_list_size) /* Check if we have the needed config */
+ && (NULL != slave_list[peer2_host_id])))
+ {
+ rhc->state = RHC_LINK;
+ cfg = (NULL == rhc->gateway2) ? our_config : slave_list[peer2_host_id]->cfg;
+ rhc->sub_op =
+ GNUNET_TESTBED_controller_link (rhc,
+ rhc->gateway->controller,
+ rhc->reg_host,
+ rhc->host,
+ cfg,
+ GNUNET_NO);
return;
}
- focc->state = FOCC_GET_CFG;
- focc->sub_op = GNUNET_TESTBED_get_slave_config_ (focc, focc->gateway2,
- focc->peer2_host_id);
+ rhc->state = RHC_GET_CFG;
+ rhc->sub_op = GNUNET_TESTBED_get_slave_config (rhc,
+ rhc->gateway2->controller,
+ rhc->reg_host);
}
/**
- * Callback to be called when forwarded overlay connection operation has a reply
- * from the sub-controller successfull. We have to relay the reply msg back to
- * the client
+ * Iterator to match a registered host context
*
- * @param cls ForwardedOperationContext
- * @param msg the peer create success message
+ * @param cls pointer 2 pointer of RegisteredHostContext
+ * @param key current key code
+ * @param value value in the hash map
+ * @return GNUNET_YES if we should continue to
+ * iterate,
+ * GNUNET_NO if not.
*/
-static void
-forwarded_overlay_connect_listener (void *cls,
- const struct GNUNET_MessageHeader *msg)
+static int
+reghost_match_iterator (void *cls,
+ const struct GNUNET_HashCode * key,
+ void *value)
{
- struct ForwardedOperationContext *fopc = cls;
- struct ForwardedOverlayConnectContext *focc;
+ struct RegisteredHostContext **rh = cls;
+ struct RegisteredHostContext *rh_val = value;
- focc = fopc->cls;
- if (NULL == focc)
+ if ((rh_val->host == (*rh)->host) && (rh_val->reg_host == (*rh)->reg_host))
{
- forwarded_operation_reply_relay (cls, msg);
- return;
- }
- switch (focc->state)
- {
- case FOCC_INIT:
- if (GNUNET_MESSAGE_TYPE_TESTBED_NEEDCONTROLLERCONFIG != ntohs (msg->type))
- {
- GNUNET_break (0); /* Something failed; you may check output of
- sub-controllers */
- cleanup_focc (focc);
- forwarded_operation_reply_relay (cls, msg);
- return;
- }
- LOG_DEBUG ("[%u -> %u] Registering peer2's host %u at %u\n",
- focc->peer1, focc->peer2, focc->peer2_host_id,
- peer_list[focc->peer1]->details.remote.remote_host_id);
- focc->state = FOCC_REGISTER;
- focc->rhandle =
- GNUNET_TESTBED_register_host (focc->gateway,
- host_list[focc->peer2_host_id],
- focc_reg_completion_cc, focc);
- GNUNET_assert (NULL != focc->rhandle);
- break;
- default:
- GNUNET_assert (0);
+ GNUNET_free (*rh);
+ *rh = rh_val;
+ return GNUNET_NO;
}
- GNUNET_SERVER_client_drop (fopc->client);
- GNUNET_SCHEDULER_cancel (fopc->timeout_task);
- fopc->timeout_task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_free (fopc);
-}
-
-
-/**
- * Timeout task for cancelling a forwarded overlay connect connect
- *
- * @param cls the ForwardedOverlayConnectContext
- * @param tc the task context from the scheduler
- */
-static void
-forwarded_overlay_connect_timeout (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext
- *tc)
-{
- struct ForwardedOverlayConnectContext *focc = cls;
-
- focc->timeout_task = GNUNET_SCHEDULER_NO_TASK;
- LOG_DEBUG ("Overlay linking between peers %u and %u failed during state %u\n",
- focc->peer1, focc->peer2, focc->state);
- send_operation_fail_msg (focc->client, focc->operation_id, "Timeout");
- cleanup_focc (focc);
+ return GNUNET_YES;
}
struct Route *route_to_peer1_host;
LOG_DEBUG ("Forwarding overlay connect\n");
- GNUNET_SERVER_client_keep (client);
- fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
- fopc->client = client;
- fopc->operation_id = operation_id;
route_to_peer2_host = NULL;
route_to_peer1_host = NULL;
route_to_peer2_host = find_dest_route (peer2_host_id);
if ((peer2_host_id == master_context->host_id)
|| (route_to_peer2_host->dest != route_to_peer1_host->dest))
{
- struct ForwardedOverlayConnectContext *focc;
- uint16_t msize;
-
- msize = sizeof (struct GNUNET_TESTBED_OverlayConnectMessage);
- focc = GNUNET_malloc (sizeof (struct ForwardedOverlayConnectContext));
- focc->gateway = peer->details.remote.controller;
- focc->gateway2 = (NULL == route_to_peer2_host) ? NULL :
- slave_list[route_to_peer2_host->dest]->controller;
- focc->peer1 = p1;
- focc->peer2 = p2;
- focc->peer2_host_id = peer2_host_id;
- focc->state = FOCC_INIT;
- focc->orig_msg = GNUNET_malloc (msize);
- (void) memcpy (focc->orig_msg, message, msize);
+ struct GNUNET_HashCode hash;
+ struct RegisteredHostContext *rhc;
+ int skip_focc;
+
+ rhc = GNUNET_malloc (sizeof (struct RegisteredHostContext));
+ if (NULL != route_to_peer2_host)
+ rhc->reg_host = host_list[route_to_peer2_host->dest];
+ else
+ rhc->reg_host = host_list[master_context->host_id];
+ rhc->host = host_list[route_to_peer1_host->dest];
+ GNUNET_assert (NULL != rhc->reg_host);
+ GNUNET_assert (NULL != rhc->host);
+ rhc->gateway = peer->details.remote.slave;
+ rhc->gateway2 = (NULL == route_to_peer2_host) ? NULL :
+ slave_list[route_to_peer2_host->dest];
+ rhc->state = RHC_INIT;
GNUNET_SERVER_client_keep (client);
- focc->client = client;
- focc->operation_id = operation_id;
- fopc->cls = focc;
- focc->timeout_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
- &forwarded_overlay_connect_timeout,
- focc);
+ rhc->client = client;
+ hash = hash_hosts (rhc->reg_host, rhc->host);
+ skip_focc = GNUNET_NO;
+ if ((GNUNET_NO ==
+ GNUNET_CONTAINER_multihashmap_contains
+ (peer->details.remote.slave->reghost_map, &hash))
+ || (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple
+ (peer->details.remote.slave->reghost_map, &hash,
+ reghost_match_iterator, &rhc)))
+ {
+ /* create and add a new registerd host context */
+ /* add the focc to its queue */
+ GNUNET_CONTAINER_multihashmap_put
+ (peer->details.remote.slave->reghost_map,
+ &hash, rhc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+ GNUNET_assert (NULL != host_list[peer2_host_id]);
+ queue_host_registration (peer->details.remote.slave,
+ registeredhost_registration_completion, rhc,
+ host_list[peer2_host_id]);
+ }
+ else {
+ /* rhc is now set to the existing one from the hash map by
+ reghost_match_iterator */
+ /* if queue is empty then ignore creating focc and proceed with
+ normal forwarding */
+ if (NULL == rhc->focc_dll_head)
+ skip_focc = GNUNET_YES;
+ }
+ if (GNUNET_NO == skip_focc)
+ {
+ struct ForwardedOverlayConnectContext *focc;
+ uint16_t msize;
+
+ msize = sizeof (struct GNUNET_TESTBED_OverlayConnectMessage);
+ focc = GNUNET_malloc (sizeof (struct ForwardedOverlayConnectContext));
+ focc->peer1 = p1;
+ focc->peer2 = p2;
+ focc->peer2_host_id = peer2_host_id;
+ focc->orig_msg = GNUNET_malloc (msize);
+ (void) memcpy (focc->orig_msg, message, msize);
+ focc->operation_id = operation_id;
+ GNUNET_CONTAINER_DLL_insert_tail (rhc->focc_dll_head,
+ rhc->focc_dll_tail,
+ focc);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
}
}
+ fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
+ GNUNET_SERVER_client_keep (client);
+ fopc->client = client;
+ fopc->operation_id = operation_id;
fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.controller,
+ GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.slave->controller,
operation_id, message,
- &forwarded_overlay_connect_listener,
+ &forwarded_operation_reply_relay,
fopc);
fopc->timeout_task =
GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
else
{
if (GNUNET_YES == peer_list[occ->other_peer_id]->is_remote)
- occ->peer2_controller = peer_list[occ->other_peer_id]->details.remote.controller;
+ occ->peer2_controller = peer_list[occ->other_peer_id]->details.remote.slave->controller;
}
/* Get the identity of the second peer */
if (NULL != occ->peer2_controller)
msg2 = GNUNET_malloc (msize);
(void) memcpy (msg2, message, msize);
- GNUNET_TESTBED_queue_message_ (peer->details.remote.controller, msg2);
+ GNUNET_TESTBED_queue_message_ (peer->details.remote.slave->controller, msg2);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
}
+/**
+ * Iterator for freeing hash map entries in a slave's reghost_map
+ *
+ * @param cls handle to the slave
+ * @param key current key code
+ * @param value value in the hash map
+ * @return GNUNET_YES if we should continue to
+ * iterate,
+ * GNUNET_NO if not.
+ */
+static int
+reghost_free_iterator (void *cls,
+ const struct GNUNET_HashCode * key,
+ void *value)
+{
+ struct Slave *slave = cls;
+ struct RegisteredHostContext *rhc = value;
+ struct ForwardedOverlayConnectContext *focc;
+
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove (slave->reghost_map,
+ key, value));
+ while (NULL != (focc = rhc->focc_dll_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head,
+ rhc->focc_dll_tail,
+ focc);
+ cleanup_focc (focc);
+ }
+ if (NULL != rhc->sub_op)
+ GNUNET_TESTBED_operation_cancel (rhc->sub_op);
+ if (NULL != rhc->client)
+ GNUNET_SERVER_client_drop (rhc->client);
+ GNUNET_free (value);
+ return GNUNET_YES;
+}
+
+
/**
* Task to clean up and shutdown nicely
*
GNUNET_SCHEDULER_cancel (lcf_proc_task_id);
lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
}
- if (NULL != lcfq_head->lcf->rhandle)
- GNUNET_TESTBED_cancel_registration (lcfq_head->lcf->rhandle);
}
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
for (lcfq = lcfq_head; NULL != lcfq; lcfq = lcfq_head)
for (id = 0; id < slave_list_size; id++)
if (NULL != slave_list[id])
{
+ struct HostRegistration *hr_entry;
+
+ while (NULL != (hr_entry = slave_list[id]->hr_dll_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (slave_list[id]->hr_dll_head,
+ slave_list[id]->hr_dll_tail,
+ hr_entry);
+ GNUNET_free (hr_entry);
+ }
+ if (NULL != slave_list[id]->rhandle)
+ GNUNET_TESTBED_cancel_registration (slave_list[id]->rhandle);
+ (void) GNUNET_CONTAINER_multihashmap_iterate (slave_list[id]->reghost_map,
+ reghost_free_iterator,
+ slave_list[id]);
+ GNUNET_CONTAINER_multihashmap_destroy (slave_list[id]->reghost_map);
if (NULL != slave_list[id]->cfg)
GNUNET_CONFIGURATION_destroy (slave_list[id]->cfg);
if (NULL != slave_list[id]->controller)