diff options
Diffstat (limited to 'src/peerinfo/peerinfo_api.c')
-rw-r--r-- | src/peerinfo/peerinfo_api.c | 62 |
1 files changed, 40 insertions, 22 deletions
diff --git a/src/peerinfo/peerinfo_api.c b/src/peerinfo/peerinfo_api.c index c13224e..175397c 100644 --- a/src/peerinfo/peerinfo_api.c +++ b/src/peerinfo/peerinfo_api.c @@ -131,9 +131,11 @@ struct GNUNET_PEERINFO_IteratorContext int have_peer; /** - * Are we now receiving? + * Set to GNUNET_YES if we are currently receiving replies from the + * service. */ - int in_receive; + int request_transmitted; + }; @@ -183,8 +185,7 @@ struct GNUNET_PEERINFO_Handle GNUNET_SCHEDULER_TaskIdentifier r_task; /** - * Set to GNUNET_YES if we are currently receiving replies from the - * service. + * Are we now receiving? */ int in_receive; @@ -227,8 +228,8 @@ GNUNET_PEERINFO_disconnect (struct GNUNET_PEERINFO_Handle *h) while (NULL != (ic = h->ic_head)) { - GNUNET_break (GNUNET_YES == ic->in_receive); - ic->in_receive = GNUNET_NO; + GNUNET_break (GNUNET_YES == ic->request_transmitted); + ic->request_transmitted = GNUNET_NO; GNUNET_PEERINFO_iterate_cancel (ic); } while (NULL != (ac = h->ac_head)) @@ -393,8 +394,6 @@ trigger_transmit (struct GNUNET_PEERINFO_Handle *h) return; /* no requests queued */ if (NULL != h->th) return; /* request already pending */ - if (GNUNET_YES == h->in_receive) - return; /* still reading replies from last request */ if (NULL == h->client) { /* disconnected, try to reconnect */ @@ -490,29 +489,49 @@ peerinfo_handler (void *cls, const struct GNUNET_MessageHeader *msg) void *cb_cls; uint16_t ms; - GNUNET_assert (NULL != ic); h->in_receive = GNUNET_NO; - ic->in_receive = GNUNET_NO; - cb = ic->callback; - cb_cls = ic->callback_cls; if (NULL == msg) { /* peerinfo service died, signal error */ - GNUNET_PEERINFO_iterate_cancel (ic); + if (NULL != ic) + { + cb = ic->callback; + cb_cls = ic->callback_cls; + GNUNET_PEERINFO_iterate_cancel (ic); + } + else + { + cb = NULL; + } reconnect (h); if (NULL != cb) cb (cb_cls, NULL, NULL, _("Failed to receive response from `PEERINFO' service.")); return; } - + if (NULL == ic) + { + /* didn't expect a response, reconnect */ + reconnect (h); + return; + } + ic->request_transmitted = GNUNET_NO; + cb = ic->callback; + cb_cls = ic->callback_cls; if (GNUNET_MESSAGE_TYPE_PEERINFO_INFO_END == ntohs (msg->type)) { /* normal end of list of peers, signal end, process next pending request */ LOG (GNUNET_ERROR_TYPE_DEBUG, "Received end of list of peers from `%s' service\n", "PEERINFO"); - GNUNET_PEERINFO_iterate_cancel (ic); + GNUNET_PEERINFO_iterate_cancel (ic); trigger_transmit (h); + if ( (GNUNET_NO == h->in_receive) && + (NULL != h->ic_head) ) + { + h->in_receive = GNUNET_YES; + GNUNET_CLIENT_receive (h->client, &peerinfo_handler, h, + GNUNET_TIME_absolute_get_remaining (h->ic_head->timeout)); + } if (NULL != cb) cb (cb_cls, NULL, NULL, NULL); return; @@ -595,7 +614,6 @@ peerinfo_handler (void *cls, const struct GNUNET_MessageHeader *msg) (hello == NULL) ? 0 : (unsigned int) GNUNET_HELLO_size (hello), "HELLO", GNUNET_i2s (&im->peer), "PEERINFO"); h->in_receive = GNUNET_YES; - ic->in_receive = GNUNET_YES; GNUNET_CLIENT_receive (h->client, &peerinfo_handler, h, GNUNET_TIME_absolute_get_remaining (ic->timeout)); if (NULL != cb) @@ -631,7 +649,7 @@ iterator_start_receive (void *cls, const char *emsg) } LOG (GNUNET_ERROR_TYPE_DEBUG, "Waiting for response from `%s' service.\n", "PEERINFO"); - ic->in_receive = GNUNET_YES; + ic->request_transmitted = GNUNET_YES; if (GNUNET_NO == h->in_receive) { h->in_receive = GNUNET_YES; @@ -665,10 +683,10 @@ signal_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) /** - * Call a method for each known matching host and change its trust - * value. The callback method will be invoked once for each matching - * host and then finally once with a NULL pointer. After that final - * invocation, the iterator context must no longer be used. + * Call a method for each known matching host. The callback method + * will be invoked once for each matching host and then finally once + * with a NULL pointer. After that final invocation, the iterator + * context must no longer be used. * * Instead of calling this function with 'peer == NULL' it is often * better to use 'GNUNET_PEERINFO_notify'. @@ -755,7 +773,7 @@ GNUNET_PEERINFO_iterate_cancel (struct GNUNET_PEERINFO_IteratorContext *ic) ic->timeout_task = GNUNET_SCHEDULER_NO_TASK; } ic->callback = NULL; - if (GNUNET_YES == ic->in_receive) + if (GNUNET_YES == ic->request_transmitted) return; /* need to finish processing */ GNUNET_CONTAINER_DLL_remove (h->ic_head, h->ic_tail, |