* @param cls the 'struct GNUNET_CORE_Handle*'
* @param key the peer identity (not used)
* @param value the 'struct PeerRecord' to free.
- * @return GNUNET_YES (continue)
+ * @return #GNUNET_YES (continue)
*/
static int
disconnect_and_free_peer_entry (void *cls, const struct GNUNET_HashCode * key,
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
* Transmit the next message to the core service.
*
* @param cls closure with the 'struct GNUNET_CORE_Handle'
- * @param size number of bytes available in buf
+ * @param size number of bytes available in @a buf
* @param buf where the callee should write the message
* @return number of bytes written to buf
*/
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);
}
GNUNET_CONTAINER_DLL_remove (h->ready_peer_head, h->ready_peer_tail, pr);
th->peer = NULL;
- 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;
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->init = NULL;
LOG (GNUNET_ERROR_TYPE_DEBUG, "Connected to core service of peer `%s'.\n",
GNUNET_i2s (&h->me));
- init (h->cls, h, &h->me);
+ init (h->cls, &h->me);
}
else
{
/* fake 'connect to self' */
pr = GNUNET_CONTAINER_multihashmap_get (h->peers, &h->me.hashPubKey);
GNUNET_assert (NULL == pr);
- pr = GNUNET_malloc (sizeof (struct PeerRecord));
+ pr = GNUNET_new (struct PeerRecord);
pr->peer = h->me;
pr->ch = h;
GNUNET_assert (GNUNET_YES ==
&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);
reconnect_later (h);
return;
}
- pr = GNUNET_malloc (sizeof (struct PeerRecord));
+ pr = GNUNET_new (struct PeerRecord);
pr->peer = cnm->peer;
pr->ch = h;
GNUNET_assert (GNUNET_YES ==
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);
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))
* @param connects function to call on peer connect, can be NULL
* @param disconnects function to call on peer disconnect / timeout, can be NULL
* @param inbound_notify function to call for all inbound messages, can be NULL
- * @param inbound_hdr_only set to GNUNET_YES if inbound_notify will only read the
+ * @param inbound_hdr_only set to #GNUNET_YES if inbound_notify will only read the
* GNUNET_MessageHeader and hence we do not need to give it the full message;
- * can be used to improve efficiency, ignored if inbound_notify is NULLL
+ * can be used to improve efficiency, ignored if @a inbound_notify is NULLL
* @param outbound_notify function to call for all outbound messages, can be NULL
- * @param outbound_hdr_only set to GNUNET_YES if outbound_notify will only read the
+ * @param outbound_hdr_only set to #GNUNET_YES if outbound_notify will only read the
* GNUNET_MessageHeader and hence we do not need to give it the full message
- * can be used to improve efficiency, ignored if outbound_notify is NULLL
+ * can be used to improve efficiency, ignored if @a outbound_notify is NULLL
* @param handlers callbacks for messages we care about, NULL-terminated
* @return handle to the core service (only useful for disconnect until 'init' is called);
* NULL on error (in this case, init is never called)
{
struct GNUNET_CORE_Handle *h;
- h = GNUNET_malloc (sizeof (struct GNUNET_CORE_Handle));
+ GNUNET_assert (NULL != cfg);
+ h = GNUNET_new (struct GNUNET_CORE_Handle);
h->cfg = cfg;
h->cls = cls;
h->init = init;
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 ControlMessage *cm;
+ GNUNET_assert (NULL != handle);
+
LOG (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from CORE service\n");
if (NULL != handle->cth)
{
/**
* Task that calls 'request_next_transmission'.
*
- * @param cls the 'struct PeerRecord*'
+ * @param cls the 'struct PeerRecord *'
* @param tc scheduler context
*/
static void
/**
- * Ask the core to call "notify" once it is ready to transmit the
- * given number of bytes to the specified "target". Must only be
+ * Ask the core to call @a notify once it is ready to transmit the
+ * given number of bytes to the specified @a target. Must only be
* called after a connection to the respective peer has been
* established (and the client has been informed about this). You may
* have one request of this type pending for each connected peer at
* any time. If a peer disconnects, the application MUST call
- * "GNUNET_CORE_notify_transmit_ready_cancel" on the respective
+ * #GNUNET_CORE_notify_transmit_ready_cancel on the respective
* transmission request, if one such request is pending.
*
* @param handle connection to core service
* @param priority how important is the message?
* @param maxdelay how long can the message wait?
* @param target who should receive the message, never NULL (can be this peer's identity for loopback)
- * @param notify_size how many bytes of buffer space does notify want?
+ * @param notify_size how many bytes of buffer space does @a notify want?
* @param notify function to call when buffer space is available;
* will be called with NULL on timeout; clients MUST cancel
* all pending transmission requests DURING the disconnect
* @param notify_cls closure for notify
* @return non-NULL if the notify callback was queued,
* NULL if we can not even queue the request (request already pending);
- * if NULL is returned, "notify" will NOT be called.
+ * if NULL is returned, @a notify will NOT be called.
*/
struct GNUNET_CORE_TransmitHandle *
GNUNET_CORE_notify_transmit_ready (struct GNUNET_CORE_Handle *handle, int cork,
struct PeerRecord *pr;
struct GNUNET_CORE_TransmitHandle *th;
+ GNUNET_assert (NULL != handle);
+ GNUNET_assert (NULL != target);
+
+ 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",
struct PeerRecord *pr = th->peer;
struct GNUNET_CORE_Handle *h;
+ GNUNET_assert (NULL != th);
GNUNET_assert (NULL != pr);
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Aborting transmission request to core for %u bytes to `%s'\n",
}
+/**
+ * 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);
+}
+
+
/* end of core_api.c */
projects / oweals / gnunet.git / blobdiff