* @return GNUNET_YES (continue)
*/
static int
-disconnect_and_free_peer_entry (void *cls, const GNUNET_HashCode * key,
+disconnect_and_free_peer_entry (void *cls, const struct GNUNET_HashCode * key,
void *value)
{
struct GNUNET_CORE_Handle *h = cls;
struct GNUNET_CORE_TransmitHandle *th;
struct PeerRecord *pr = value;
- if (pr->timeout_task != GNUNET_SCHEDULER_NO_TASK)
+ if (GNUNET_SCHEDULER_NO_TASK != pr->timeout_task)
{
GNUNET_SCHEDULER_cancel (pr->timeout_task);
pr->timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
- if (pr->ntr_task != GNUNET_SCHEDULER_NO_TASK)
+ if (GNUNET_SCHEDULER_NO_TASK != pr->ntr_task)
{
GNUNET_SCHEDULER_cancel (pr->ntr_task);
pr->ntr_task = GNUNET_SCHEDULER_NO_TASK;
}
- if ((pr->prev != NULL) || (pr->next != NULL) || (h->ready_peer_head == pr))
+ if ((NULL != pr->prev) || (NULL != pr->next) || (h->ready_peer_head == pr))
GNUNET_CONTAINER_DLL_remove (h->ready_peer_head, h->ready_peer_tail, pr);
- if (h->disconnects != NULL)
+ if (NULL != h->disconnects)
h->disconnects (h->cls, &pr->peer);
/* all requests should have been cancelled, clean up anyway, just in case */
th = &pr->th;
{
GNUNET_break (0);
th->peer = NULL;
- if (th->cm != NULL)
+ if (NULL != th->cm)
th->cm->th = NULL;
}
/* done with 'voluntary' cleanups, now on to normal freeing */
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multihashmap_remove (h->peers, key, pr));
GNUNET_assert (pr->ch == h);
- GNUNET_assert (pr->timeout_task == GNUNET_SCHEDULER_NO_TASK);
- GNUNET_assert (pr->ntr_task == GNUNET_SCHEDULER_NO_TASK);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pr->timeout_task);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pr->ntr_task);
GNUNET_free (pr);
return GNUNET_YES;
}
struct ControlMessage *cm;
struct PeerRecord *pr;
- GNUNET_assert (h->reconnect_task == GNUNET_SCHEDULER_NO_TASK);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == h->reconnect_task);
if (NULL != h->cth)
{
GNUNET_CLIENT_notify_transmit_ready_cancel (h->cth);
h->cth = NULL;
}
- if (h->client != NULL)
+ if (NULL != h->client)
{
GNUNET_CLIENT_disconnect (h->client);
h->client = NULL;
{
GNUNET_CONTAINER_DLL_remove (h->control_pending_head,
h->control_pending_tail, cm);
- if (cm->th != NULL)
+ if (NULL != cm->th)
cm->th->cm = NULL;
- if (cm->cont != NULL)
+ if (NULL != cm->cont)
cm->cont (cm->cont_cls, GNUNET_NO);
GNUNET_free (cm);
}
while (NULL != (pr = h->ready_peer_head))
GNUNET_CONTAINER_DLL_remove (h->ready_peer_head, h->ready_peer_tail, pr);
GNUNET_assert (h->control_pending_head == NULL);
- h->retry_backoff =
- GNUNET_TIME_relative_min (GNUNET_TIME_UNIT_SECONDS, h->retry_backoff);
- h->retry_backoff = GNUNET_TIME_relative_multiply (h->retry_backoff, 2);
+ h->retry_backoff = GNUNET_TIME_STD_BACKOFF (h->retry_backoff);
}
struct GNUNET_CORE_TransmitHandle *th;
pr->timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ if (GNUNET_SCHEDULER_NO_TASK != pr->ntr_task)
+ {
+ GNUNET_SCHEDULER_cancel (pr->ntr_task);
+ pr->ntr_task = GNUNET_SCHEDULER_NO_TASK;
+ }
th = &pr->th;
th->peer = NULL;
- if ((pr->prev != NULL) || (pr->next != NULL) || (pr == h->ready_peer_head))
+ if ((NULL != pr->prev) || (NULL != pr->next) || (pr == h->ready_peer_head))
{
/* the request that was 'approved' by core was
* canceled before it could be transmitted; remove
GNUNET_free (th->cm);
}
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Signalling timeout of request for transmission to CORE service\n");
- request_next_transmission (pr);
+ "Signalling timeout of request for transmission to peer `%s' via CORE\n",
+ GNUNET_i2s (&pr->peer));
+ trigger_next_request (h, GNUNET_NO);
+
GNUNET_assert (0 == th->get_message (th->get_message_cls, 0, NULL));
}
GNUNET_assert (h->reconnect_task == GNUNET_SCHEDULER_NO_TASK);
h->cth = NULL;
- if (buf == NULL)
+ if (NULL == buf)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Transmission failed, initiating reconnect\n");
memcpy (buf, hdr, msize);
GNUNET_CONTAINER_DLL_remove (h->control_pending_head,
h->control_pending_tail, cm);
- if (cm->th != NULL)
+ if (NULL != cm->th)
cm->th->cm = NULL;
if (NULL != cm->cont)
cm->cont (cm->cont_cls, GNUNET_OK);
return msize;
}
/* now check for 'ready' P2P messages */
- if (NULL != (pr = h->ready_peer_head))
+ if (NULL == (pr = h->ready_peer_head))
+ return 0;
+ GNUNET_assert (NULL != pr->th.peer);
+ th = &pr->th;
+ if (size < th->msize + sizeof (struct SendMessage))
+ {
+ trigger_next_request (h, GNUNET_NO);
+ return 0;
+ }
+ GNUNET_CONTAINER_DLL_remove (h->ready_peer_head, h->ready_peer_tail, pr);
+ th->peer = NULL;
+ if (GNUNET_SCHEDULER_NO_TASK != pr->timeout_task)
+ {
+ GNUNET_SCHEDULER_cancel (pr->timeout_task);
+ pr->timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Transmitting SEND request to `%s' with %u bytes.\n",
+ GNUNET_i2s (&pr->peer), (unsigned int) th->msize);
+ sm = (struct SendMessage *) buf;
+ sm->header.type = htons (GNUNET_MESSAGE_TYPE_CORE_SEND);
+ sm->priority = htonl (th->priority);
+ sm->deadline = GNUNET_TIME_absolute_hton (th->timeout);
+ sm->peer = pr->peer;
+ sm->cork = htonl ((uint32_t) th->cork);
+ sm->reserved = htonl (0);
+ ret =
+ th->get_message (th->get_message_cls,
+ size - sizeof (struct SendMessage), &sm[1]);
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Transmitting SEND request to `%s' yielded %u bytes.\n",
+ GNUNET_i2s (&pr->peer), ret);
+ if (0 == ret)
{
- GNUNET_assert (NULL != pr->th.peer);
- th = &pr->th;
- if (size < th->msize + sizeof (struct SendMessage))
- {
- trigger_next_request (h, GNUNET_NO);
- return 0;
- }
- GNUNET_CONTAINER_DLL_remove (h->ready_peer_head, h->ready_peer_tail, pr);
- th->peer = NULL;
- if (pr->timeout_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel (pr->timeout_task);
- pr->timeout_task = GNUNET_SCHEDULER_NO_TASK;
- }
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Transmitting SEND request to `%s' with %u bytes.\n",
- GNUNET_i2s (&pr->peer), (unsigned int) th->msize);
- sm = (struct SendMessage *) buf;
- sm->header.type = htons (GNUNET_MESSAGE_TYPE_CORE_SEND);
- sm->priority = htonl (th->priority);
- sm->deadline = GNUNET_TIME_absolute_hton (th->timeout);
- sm->peer = pr->peer;
- sm->cork = htonl ((uint32_t) th->cork);
- sm->reserved = htonl (0);
- ret =
- th->get_message (th->get_message_cls,
- size - sizeof (struct SendMessage), &sm[1]);
-
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Transmitting SEND request to `%s' yielded %u bytes.\n",
- GNUNET_i2s (&pr->peer), ret);
- if (0 == ret)
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Size of clients message to peer %s is 0!\n",
- GNUNET_i2s (&pr->peer));
- /* client decided to send nothing! */
- request_next_transmission (pr);
- return 0;
- }
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Produced SEND message to core with %u bytes payload\n",
- (unsigned int) ret);
- GNUNET_assert (ret >= sizeof (struct GNUNET_MessageHeader));
- if (ret + sizeof (struct SendMessage) >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
- {
- GNUNET_break (0);
- request_next_transmission (pr);
- return 0;
- }
- ret += sizeof (struct SendMessage);
- sm->header.size = htons (ret);
- GNUNET_assert (ret <= size);
+ "Size of clients message to peer %s is 0!\n",
+ GNUNET_i2s (&pr->peer));
+ /* client decided to send nothing! */
request_next_transmission (pr);
- return ret;
+ return 0;
+ }
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Produced SEND message to core with %u bytes payload\n",
+ (unsigned int) ret);
+ GNUNET_assert (ret >= sizeof (struct GNUNET_MessageHeader));
+ if (ret + sizeof (struct SendMessage) >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
+ {
+ GNUNET_break (0);
+ request_next_transmission (pr);
+ return 0;
}
- return 0;
+ ret += sizeof (struct SendMessage);
+ sm->header.size = htons (ret);
+ GNUNET_assert (ret <= size);
+ request_next_transmission (pr);
+ return ret;
}
LOG (GNUNET_ERROR_TYPE_DEBUG, "Request pending, not processing queue\n");
return;
}
- if (h->control_pending_head != NULL)
+ if (NULL != h->control_pending_head)
msize =
ntohs (((struct GNUNET_MessageHeader *) &h->
control_pending_head[1])->size);
const struct GNUNET_MessageHeader *em;
const struct SendMessageReady *smr;
const struct GNUNET_CORE_MessageHandler *mh;
- const struct GNUNET_ATS_Information *ats;
GNUNET_CORE_StartupCallback init;
struct PeerRecord *pr;
struct GNUNET_CORE_TransmitHandle *th;
int trigger;
uint16_t msize;
uint16_t et;
- uint32_t ats_count;
-
if (NULL == msg)
{
LOG (GNUNET_ERROR_TYPE_INFO,
&h->me.hashPubKey, pr,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST));
if (NULL != h->connects)
- h->connects (h->cls, &h->me, NULL, 0);
+ h->connects (h->cls, &h->me);
break;
case GNUNET_MESSAGE_TYPE_CORE_NOTIFY_CONNECT:
if (msize < sizeof (struct ConnectNotifyMessage))
return;
}
cnm = (const struct ConnectNotifyMessage *) msg;
- ats_count = ntohl (cnm->ats_count);
if (msize !=
- sizeof (struct ConnectNotifyMessage) +
- ats_count * sizeof (struct GNUNET_ATS_Information))
+ sizeof (struct ConnectNotifyMessage))
{
GNUNET_break (0);
reconnect_later (h);
GNUNET_CONTAINER_multihashmap_put (h->peers,
&cnm->peer.hashPubKey, pr,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST));
- ats = (const struct GNUNET_ATS_Information *) &cnm[1];
if (NULL != h->connects)
- h->connects (h->cls, &cnm->peer, ats, ats_count);
+ h->connects (h->cls, &cnm->peer);
break;
case GNUNET_MESSAGE_TYPE_CORE_NOTIFY_DISCONNECT:
if (msize != sizeof (struct DisconnectNotifyMessage))
return;
}
ntm = (const struct NotifyTrafficMessage *) msg;
- ats_count = ntohl (ntm->ats_count);
if ((msize <
sizeof (struct NotifyTrafficMessage) +
- ats_count * sizeof (struct GNUNET_ATS_Information) +
sizeof (struct GNUNET_MessageHeader)) )
{
GNUNET_break (0);
reconnect_later (h);
return;
}
- ats = (const struct GNUNET_ATS_Information*) &ntm[1];
- em = (const struct GNUNET_MessageHeader *) &ats[ats_count];
+ em = (const struct GNUNET_MessageHeader *) &ntm[1];
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Received message of type %u and size %u from peer `%4s'\n",
ntohs (em->type), ntohs (em->size), GNUNET_i2s (&ntm->peer));
if ((GNUNET_NO == h->inbound_hdr_only) &&
(msize !=
- ntohs (em->size) + sizeof (struct NotifyTrafficMessage) +
- +ats_count * sizeof (struct GNUNET_ATS_Information)))
+ ntohs (em->size) + sizeof (struct NotifyTrafficMessage)))
{
GNUNET_break (0);
reconnect_later (h);
continue;
if ((mh->expected_size != ntohs (em->size)) && (mh->expected_size != 0))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unexpected message size %u for message of type %u from peer `%4s'\n",
- htons (em->size), mh->type, GNUNET_i2s (&ntm->peer));
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected message size %u for message of type %u from peer `%4s'\n",
+ htons (em->size), mh->type, GNUNET_i2s (&ntm->peer));
GNUNET_break_op (0);
continue;
}
return;
}
if (GNUNET_OK !=
- h->handlers[hpos].callback (h->cls, &ntm->peer, em, ats,
- ats_count))
+ h->handlers[hpos].callback (h->cls, &ntm->peer, em))
{
/* error in processing, do not process other messages! */
break;
}
}
if (NULL != h->inbound_notify)
- h->inbound_notify (h->cls, &ntm->peer, em, ats, ats_count);
+ h->inbound_notify (h->cls, &ntm->peer, em);
break;
case GNUNET_MESSAGE_TYPE_CORE_NOTIFY_OUTBOUND:
if (msize < sizeof (struct NotifyTrafficMessage))
return;
}
ntm = (const struct NotifyTrafficMessage *) msg;
- ats_count = ntohl (ntm->ats_count);
if ((msize <
sizeof (struct NotifyTrafficMessage) +
- ats_count * sizeof (struct GNUNET_ATS_Information) +
sizeof (struct GNUNET_MessageHeader)) )
{
GNUNET_break (0);
reconnect_later (h);
return;
}
- ats = (const struct GNUNET_ATS_Information*) &ntm[1];
- em = (const struct GNUNET_MessageHeader *) &ats[ats_count];
+ em = (const struct GNUNET_MessageHeader *) &ntm[1];
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Received notification about transmission to `%s'.\n",
GNUNET_i2s (&ntm->peer));
if ((GNUNET_NO == h->outbound_hdr_only) &&
(msize !=
- ntohs (em->size) + sizeof (struct NotifyTrafficMessage) +
- ats_count * sizeof (struct GNUNET_ATS_Information)))
+ ntohs (em->size) + sizeof (struct NotifyTrafficMessage)))
{
GNUNET_break (0);
reconnect_later (h);
GNUNET_break (0);
break;
}
- h->outbound_notify (h->cls, &ntm->peer, em, ats, ats_count);
+ h->outbound_notify (h->cls, &ntm->peer, em);
break;
case GNUNET_MESSAGE_TYPE_CORE_SEND_READY:
if (msize != sizeof (struct SendMessageReady))
h->handlers = handlers;
h->hcnt = 0;
h->currently_down = GNUNET_YES;
- h->peers = GNUNET_CONTAINER_multihashmap_create (128);
- h->retry_backoff = GNUNET_TIME_UNIT_MILLISECONDS;
+ h->peers = GNUNET_CONTAINER_multihashmap_create (128, GNUNET_NO);
if (NULL != handlers)
while (handlers[h->hcnt].callback != NULL)
h->hcnt++;
struct PeerRecord *pr;
struct GNUNET_CORE_TransmitHandle *th;
+ if (notify_size > GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE)
+ {
+ GNUNET_break (0);
+ return NULL;
+ }
GNUNET_assert (NULL != notify);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Asking core for transmission of %u bytes to `%s'\n",
+ (unsigned int) notify_size,
+ GNUNET_i2s (target));
pr = GNUNET_CONTAINER_multihashmap_get (handle->peers, &target->hashPubKey);
if (NULL == pr)
{
GNUNET_assert (notify_size + sizeof (struct SendMessage) <
GNUNET_SERVER_MAX_MESSAGE_SIZE);
th = &pr->th;
+ memset (th, 0, sizeof (struct GNUNET_CORE_TransmitHandle));
th->peer = pr;
th->get_message = notify;
th->get_message_cls = notify_cls;
th->priority = priority;
th->msize = notify_size;
th->cork = cork;
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pr->ntr_task);
pr->ntr_task =
GNUNET_SCHEDULER_add_now (&run_request_next_transmission, pr);
LOG (GNUNET_ERROR_TYPE_DEBUG, "Transmission request added to queue\n");
struct GNUNET_CORE_Handle *h;
GNUNET_assert (NULL != pr);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Aborting transmission request to core for %u bytes to `%s'\n",
+ (unsigned int) th->msize,
+ GNUNET_i2s (&pr->peer));
th->peer = NULL;
h = pr->ch;
if (NULL != th->cm)
GNUNET_CONTAINER_DLL_remove (h->control_pending_head,
h->control_pending_tail, th->cm);
GNUNET_free (th->cm);
+ th->cm = NULL;
}
if ((NULL != pr->prev) || (NULL != pr->next) || (pr == h->ready_peer_head))
{
* us from the 'ready' list */
GNUNET_CONTAINER_DLL_remove (h->ready_peer_head, h->ready_peer_tail, pr);
}
+ if (GNUNET_SCHEDULER_NO_TASK != pr->ntr_task)
+ {
+ GNUNET_SCHEDULER_cancel (pr->ntr_task);
+ pr->ntr_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+}
+
+
+/**
+ * Check if the given peer is currently connected. This function is for special
+ * cirumstances (GNUNET_TESTBED uses it), normal users of the CORE API are
+ * expected to track which peers are connected based on the connect/disconnect
+ * callbacks from GNUNET_CORE_connect. This function is NOT part of the
+ * 'versioned', 'official' API. The difference between this function and the
+ * function GNUNET_CORE_is_peer_connected() is that this one returns
+ * synchronously after looking in the CORE API cache. The function
+ * GNUNET_CORE_is_peer_connected() sends a message to the CORE service and hence
+ * its response is given asynchronously.
+ *
+ * @param h the core handle
+ * @param pid the identity of the peer to check if it has been connected to us
+ * @return GNUNET_YES if the peer is connected to us; GNUNET_NO if not
+ */
+int
+GNUNET_CORE_is_peer_connected_sync (const struct GNUNET_CORE_Handle *h,
+ const struct GNUNET_PeerIdentity *pid)
+{
+ GNUNET_assert (NULL != h);
+ GNUNET_assert (NULL != pid);
+ return GNUNET_CONTAINER_multihashmap_contains (h->peers, &pid->hashPubKey);
}