#define DEBUG_HANDSHAKE GNUNET_NO
-#define DEBUG_CORE_QUOTA GNUNET_YES
+#define DEBUG_CORE_QUOTA GNUNET_NO
/**
* Receive and send buffer windows grow over time. For
*/
struct SetKeyMessage *skm;
+ /**
+ * Performance data for the peer.
+ */
+ struct GNUNET_TRANSPORT_ATS_Information *ats;
+
/**
* Identity of the neighbour.
*/
*/
unsigned long long current_preference;
+ /**
+ * Number of entries in 'ats'.
+ */
+ unsigned int ats_count;
+
/**
* Bit map indicating which of the 32 sequence numbers before the last
* were received (good for accepting out-of-order packets and
}
+/**
+ * At what time should the connection to the given neighbour
+ * time out (given no further activity?)
+ *
+ * @param n neighbour in question
+ * @return absolute timeout
+ */
+static struct GNUNET_TIME_Absolute
+get_neighbour_timeout (struct Neighbour *n)
+{
+ return GNUNET_TIME_absolute_add (n->last_activity,
+ GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT);
+}
+
+
/**
* A preference value for a neighbour was update. Update
* the preference sum accordingly.
static void
handle_peer_status_change (struct Neighbour *n)
{
- struct PeerStatusNotifyMessage psnm;
+ struct PeerStatusNotifyMessage *psnm;
+ char buf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
+ struct GNUNET_TRANSPORT_ATS_Information *ats;
+ size_t size;
if ( (! n->is_connected) ||
(n->status != PEER_STATE_KEY_CONFIRMED) )
"Peer `%4s' changed status\n",
GNUNET_i2s (&n->peer));
#endif
- psnm.header.size = htons (sizeof (struct PeerStatusNotifyMessage));
- psnm.header.type = htons (GNUNET_MESSAGE_TYPE_CORE_NOTIFY_STATUS_CHANGE);
- psnm.ats_count = htonl (0);
- psnm.ats.type = htonl (0);
- psnm.ats.value = htonl (0);
- psnm.timeout = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_add (n->last_activity,
- GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT));
- psnm.bandwidth_in = n->bw_in;
- psnm.bandwidth_out = n->bw_out;
- psnm.peer = n->peer;
- send_to_all_clients (&psnm.header,
+ size = sizeof (struct PeerStatusNotifyMessage) +
+ n->ats_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information);
+ if (size >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
+ {
+ GNUNET_break (0);
+ /* recovery strategy: throw away performance data */
+ GNUNET_array_grow (n->ats,
+ n->ats_count,
+ 0);
+ size = sizeof (struct PeerStatusNotifyMessage) +
+ n->ats_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information);
+ }
+ psnm = (struct PeerStatusNotifyMessage*) buf;
+ psnm->header.size = htons (size);
+ psnm->header.type = htons (GNUNET_MESSAGE_TYPE_CORE_NOTIFY_STATUS_CHANGE);
+ psnm->timeout = GNUNET_TIME_absolute_hton (get_neighbour_timeout (n));
+ psnm->bandwidth_in = n->bw_in;
+ psnm->bandwidth_out = n->bw_out;
+ psnm->peer = n->peer;
+ psnm->ats_count = htonl (n->ats_count);
+ ats = &psnm->ats;
+ memcpy (ats,
+ n->ats,
+ n->ats_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information));
+ ats[n->ats_count].type = htonl (0);
+ ats[n->ats_count].value = htonl (0);
+ send_to_all_clients (&psnm->header,
GNUNET_YES,
GNUNET_CORE_OPTION_SEND_STATUS_CHANGE);
GNUNET_STATISTICS_update (stats,
mqe = mqe->next;
}
if (queue_size >= MAX_PEER_QUEUE_SIZE)
- return; /* queue still full */
+ {
+#if DEBUG_CORE_CLIENT
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Not considering client transmission requests: queue full\n");
+#endif
+ return; /* queue still full */
+ }
/* find highest priority request */
pos = n->active_client_request_head;
car = NULL;
}
if (car == NULL)
return; /* no pending requests */
+#if DEBUG_CORE_CLIENT
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Permitting client transmission request to `%s'\n",
+ GNUNET_i2s (&n->peer));
+#endif
c = car->client;
GNUNET_CONTAINER_DLL_remove (n->active_client_request_head,
n->active_client_request_tail,
req = (const struct SendMessageRequest*) message;
n = find_neighbour (&req->peer);
if ( (n == NULL) ||
- (GNUNET_YES != n->is_connected) )
+ (GNUNET_YES != n->is_connected) ||
+ (n->status != PEER_STATE_KEY_CONFIRMED) )
{
/* neighbour must have disconnected since request was issued,
ignore (client will realize it once it processes the
disconnect notification) */
+#if DEBUG_CORE_CLIENT
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Dropped client request for transmission (am disconnected)\n");
+#endif
GNUNET_STATISTICS_update (stats,
gettext_noop ("# send requests dropped (disconnected)"),
1,
}
if (c->requests == NULL)
c->requests = GNUNET_CONTAINER_multihashmap_create (16);
+#if DEBUG_CORE_CLIENT
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received client transmission request. queueing\n");
+#endif
car = GNUNET_CONTAINER_multihashmap_get (c->requests,
&req->peer.hashPubKey);
if (car == NULL)
const uint16_t *types;
uint16_t *wtypes;
struct Neighbour *n;
- struct ConnectNotifyMessage cnm;
+ struct ConnectNotifyMessage *cnm;
+ char buf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
+ struct GNUNET_TRANSPORT_ATS_Information *ats;
+ size_t size;
unsigned int i;
#if DEBUG_CORE_CLIENT
if (0 != (c->options & GNUNET_CORE_OPTION_SEND_CONNECT))
{
/* notify new client about existing neighbours */
- cnm.header.size = htons (sizeof (struct ConnectNotifyMessage));
- cnm.header.type = htons (GNUNET_MESSAGE_TYPE_CORE_NOTIFY_CONNECT);
- cnm.ats_count = htonl (0);
- cnm.ats.type = htonl (0);
- cnm.ats.value = htonl (0);
n = neighbours;
while (n != NULL)
{
+ size = sizeof (struct ConnectNotifyMessage) +
+ (n->ats_count) * sizeof (struct GNUNET_TRANSPORT_ATS_Information);
+ if (size >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
+ {
+ GNUNET_break (0);
+ /* recovery strategy: throw away performance data */
+ GNUNET_array_grow (n->ats,
+ n->ats_count,
+ 0);
+ size = sizeof (struct ConnectNotifyMessage) +
+ (n->ats_count) * sizeof (struct GNUNET_TRANSPORT_ATS_Information);
+ }
+ cnm = (struct ConnectNotifyMessage*) buf;
+ cnm->header.size = htons (size);
+ cnm->header.type = htons (GNUNET_MESSAGE_TYPE_CORE_NOTIFY_CONNECT);
+ cnm->ats_count = htonl (n->ats_count);
+ ats = &cnm->ats;
+ memcpy (ats,
+ n->ats,
+ sizeof (struct GNUNET_TRANSPORT_ATS_Information) * n->ats_count);
+ ats[n->ats_count].type = htonl (GNUNET_TRANSPORT_ATS_ARRAY_TERMINATOR);
+ ats[n->ats_count].value = htonl (0);
if (n->status == PEER_STATE_KEY_CONFIRMED)
{
#if DEBUG_CORE_CLIENT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Sending `%s' message to client.\n", "NOTIFY_CONNECT");
#endif
- cnm.peer = n->peer;
- send_to_client (c, &cnm.header, GNUNET_NO);
+ cnm->peer = n->peer;
+ send_to_client (c, &cnm->header, GNUNET_NO);
}
n = n->next;
}
const GNUNET_HashCode *key,
void *value)
{
- struct ClientActiveRequest *car = cls;
+ struct ClientActiveRequest *car = value;
struct Neighbour *n;
struct GNUNET_PeerIdentity peer;
}
+/**
+ * Handle CORE_ITERATE_PEERS request.
+ *
+ * @param cls unused
+ * @param client client sending the iteration request
+ * @param message iteration request message
+ */
+static void
+handle_client_iterate_peers (void *cls,
+ struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+
+{
+ struct Neighbour *n;
+ struct ConnectNotifyMessage *cnm;
+ struct GNUNET_MessageHeader done_msg;
+ struct GNUNET_SERVER_TransmitContext *tc;
+ char buf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
+ struct GNUNET_TRANSPORT_ATS_Information *ats;
+ size_t size;
+
+ /* notify new client about existing neighbours */
+ tc = GNUNET_SERVER_transmit_context_create (client);
+ cnm = (struct ConnectNotifyMessage*) buf;
+ n = neighbours;
+ while (n != NULL)
+ {
+ if (n->status == PEER_STATE_KEY_CONFIRMED)
+ {
+ size = sizeof (struct ConnectNotifyMessage) +
+ (n->ats_count) * sizeof (struct GNUNET_TRANSPORT_ATS_Information);
+ if (size >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
+ {
+ GNUNET_break (0);
+ /* recovery strategy: throw away performance data */
+ GNUNET_array_grow (n->ats,
+ n->ats_count,
+ 0);
+ size = sizeof (struct PeerStatusNotifyMessage) +
+ n->ats_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information);
+ }
+ cnm = (struct ConnectNotifyMessage*) buf;
+ cnm->header.size = htons (size);
+ cnm->header.type = htons (GNUNET_MESSAGE_TYPE_CORE_NOTIFY_CONNECT);
+ cnm->ats_count = htonl (n->ats_count);
+ ats = &cnm->ats;
+ memcpy (ats,
+ n->ats,
+ n->ats_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information));
+ ats[n->ats_count].type = htonl (GNUNET_TRANSPORT_ATS_ARRAY_TERMINATOR);
+ ats[n->ats_count].value = htonl (0);
+#if DEBUG_CORE_CLIENT
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending `%s' message to client.\n",
+ "NOTIFY_CONNECT");
+#endif
+ cnm->peer = n->peer;
+ GNUNET_SERVER_transmit_context_append_message (tc,
+ &cnm->header);
+ }
+ n = n->next;
+ }
+ done_msg.size = htons (sizeof (struct GNUNET_MessageHeader));
+ done_msg.type = htons (GNUNET_MESSAGE_TYPE_CORE_ITERATE_PEERS_END);
+ GNUNET_SERVER_transmit_context_append_message (tc, &done_msg);
+ GNUNET_SERVER_transmit_context_run (tc,
+ GNUNET_TIME_UNIT_FOREVER_REL);
+}
+
+
/**
* Handle REQUEST_INFO request.
*/
const struct GNUNET_MessageHeader *message)
{
const struct RequestInfoMessage *rcm;
+ struct Client *pos;
struct Neighbour *n;
struct ConfigurationInfoMessage cim;
int32_t want_reserv;
int32_t got_reserv;
unsigned long long old_preference;
- struct GNUNET_SERVER_TransmitContext *tc;
#if DEBUG_CORE_CLIENT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Core service receives `%s' request.\n", "REQUEST_INFO");
#endif
+ pos = clients;
+ while (pos != NULL)
+ {
+ if (client == pos->client_handle)
+ break;
+ pos = pos->next;
+ }
+ if (pos == NULL)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+
rcm = (const struct RequestInfoMessage *) message;
n = find_neighbour (&rcm->peer);
memset (&cim, 0, sizeof (cim));
cim.header.size = htons (sizeof (struct ConfigurationInfoMessage));
cim.header.type = htons (GNUNET_MESSAGE_TYPE_CORE_CONFIGURATION_INFO);
cim.peer = rcm->peer;
-
#if DEBUG_CORE_CLIENT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Sending `%s' message to client.\n", "CONFIGURATION_INFO");
#endif
- tc = GNUNET_SERVER_transmit_context_create (client);
- GNUNET_SERVER_transmit_context_append_message (tc, &cim.header);
- GNUNET_SERVER_transmit_context_run (tc,
- GNUNET_TIME_UNIT_FOREVER_REL);
+ send_to_client (pos, &cim.header, GNUNET_NO);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
GNUNET_SCHEDULER_cancel (n->keep_alive_task);
if (n->status == PEER_STATE_KEY_CONFIRMED)
GNUNET_STATISTICS_update (stats, gettext_noop ("# established sessions"), -1, GNUNET_NO);
+ GNUNET_array_grow (n->ats, n->ats_count, 0);
GNUNET_free_non_null (n->public_key);
GNUNET_free_non_null (n->pending_ping);
GNUNET_free_non_null (n->pending_pong);
((void *) &pm->target - (void *) pm));
process_encrypted_neighbour_queue (n);
/* reschedule PING job */
- left = GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_add (n->last_activity,
- GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT));
+ left = GNUNET_TIME_absolute_get_remaining (get_neighbour_timeout (n));
retry = GNUNET_TIME_relative_max (GNUNET_TIME_relative_divide (left, 2),
MIN_PING_FREQUENCY);
n->keep_alive_task
(GNUNET_YES == n->is_connected) )
return; /* no chance */
- left = GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_add (n->last_activity,
- GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT));
+ left = GNUNET_TIME_absolute_get_remaining (get_neighbour_timeout (n));
if (left.rel_value > 0)
{
if (n->dead_clean_task != GNUNET_SCHEDULER_NO_TASK)
{
struct Neighbour *n = cls;
+ n->th = NULL;
if (GNUNET_YES != n->is_connected)
{
/* transport should only call us to transmit a message after
* telling us about a successful connection to the respective peer */
- n->th = NULL; /* If this happens because of a timeout, reset n-th so another message may be sent for this peer! */
#if DEBUG_CORE
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Timeout on notify connect!\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Timeout on notify connect!\n");
#endif
return 0;
}
- n->th = NULL;
if (buf == NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
*
* @param n the neighbour from which we received message m
* @param m the set key message we received
+ * @param ats performance data
+ * @param ats_count number of entries in ats (excluding 0-termination)
*/
static void
handle_set_key (struct Neighbour *n,
- const struct SetKeyMessage *m);
+ const struct SetKeyMessage *m,
+ const struct GNUNET_TRANSPORT_ATS_Information *ats,
+ uint32_t ats_count);
+
/**
GNUNET_i2s (&n->peer),
"SET_KEY");
#endif
- handle_set_key (n, sm);
+ handle_set_key (n, sm, NULL, 0);
}
else
{
}
+/**
+ * Merge the given performance data with the data we currently
+ * track for the given neighbour.
+ *
+ * @param n neighbour
+ * @param ats new performance data
+ * @param ats_count number of records in ats
+ */
+static void
+update_neighbour_performance (struct Neighbour *n,
+ const struct GNUNET_TRANSPORT_ATS_Information *ats,
+ uint32_t ats_count)
+{
+ uint32_t i;
+ unsigned int j;
+
+ if (ats_count == 0)
+ return;
+ for (i = 0; i < ats_count; i++)
+ {
+ for (j=0;j < n->ats_count; j++)
+ {
+ if (n->ats[j].type == ats[i].type)
+ {
+ n->ats[j].value = ats[i].value;
+ break;
+ }
+ }
+ if (j == n->ats_count)
+ {
+ GNUNET_array_append (n->ats,
+ n->ats_count,
+ ats[i]);
+ }
+ }
+}
+
+
/**
* We received a PING message. Validate and transmit
* PONG.
*
* @param n sender of the PING
* @param m the encrypted PING message itself
+ * @param ats performance data
+ * @param ats_count number of entries in ats (excluding 0-termination)
*/
static void
-handle_ping (struct Neighbour *n, const struct PingMessage *m)
+handle_ping (struct Neighbour *n,
+ const struct PingMessage *m,
+ const struct GNUNET_TRANSPORT_ATS_Information *ats,
+ uint32_t ats_count)
{
struct PingMessage t;
struct PongMessage tx;
GNUNET_break_op (0);
return;
}
+ update_neighbour_performance (n, ats, ats_count);
me = GNUNET_malloc (sizeof (struct MessageEntry) +
sizeof (struct PongMessage));
GNUNET_CONTAINER_DLL_insert_after (n->encrypted_head,
*
* @param n sender of the PONG
* @param m the encrypted PONG message itself
+ * @param ats performance data
+ * @param ats_count number of entries in ats (excluding 0-termination)
*/
static void
handle_pong (struct Neighbour *n,
- const struct PongMessage *m)
+ const struct PongMessage *m,
+ const struct GNUNET_TRANSPORT_ATS_Information *ats,
+ uint32_t ats_count)
{
struct PongMessage t;
- struct ConnectNotifyMessage cnm;
+ struct ConnectNotifyMessage *cnm;
struct GNUNET_CRYPTO_AesInitializationVector iv;
+ char buf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
+ struct GNUNET_TRANSPORT_ATS_Information *mats;
+ size_t size;
#if DEBUG_CORE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"PONG", GNUNET_i2s (&t.target),
(unsigned int) t.challenge);
#endif
- GNUNET_break_op (0);
+ GNUNET_break_op (n->ping_challenge != t.challenge);
return;
}
switch (n->status)
GNUNET_SCHEDULER_cancel (n->retry_set_key_task);
n->retry_set_key_task = GNUNET_SCHEDULER_NO_TASK;
}
- cnm.header.size = htons (sizeof (struct ConnectNotifyMessage));
- cnm.header.type = htons (GNUNET_MESSAGE_TYPE_CORE_NOTIFY_CONNECT);
- cnm.peer = n->peer;
- send_to_all_clients (&cnm.header, GNUNET_YES, GNUNET_CORE_OPTION_SEND_CONNECT);
+ update_neighbour_performance (n, ats, ats_count);
+ size = sizeof (struct ConnectNotifyMessage) +
+ (n->ats_count) * sizeof (struct GNUNET_TRANSPORT_ATS_Information);
+ if (size >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
+ {
+ GNUNET_break (0);
+ /* recovery strategy: throw away performance data */
+ GNUNET_array_grow (n->ats,
+ n->ats_count,
+ 0);
+ size = sizeof (struct PeerStatusNotifyMessage) +
+ n->ats_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information);
+ }
+ cnm = (struct ConnectNotifyMessage*) buf;
+ cnm->header.size = htons (size);
+ cnm->header.type = htons (GNUNET_MESSAGE_TYPE_CORE_NOTIFY_CONNECT);
+ cnm->ats_count = htonl (n->ats_count);
+ cnm->peer = n->peer;
+ mats = &cnm->ats;
+ memcpy (mats,
+ n->ats,
+ n->ats_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information));
+ mats[n->ats_count].type = htonl (GNUNET_TRANSPORT_ATS_ARRAY_TERMINATOR);
+ mats[n->ats_count].value = htonl (0);
+ send_to_all_clients (&cnm->header,
+ GNUNET_NO,
+ GNUNET_CORE_OPTION_SEND_CONNECT);
process_encrypted_neighbour_queue (n);
/* fall-through! */
case PEER_STATE_KEY_CONFIRMED:
*
* @param n the neighbour from which we received message m
* @param m the set key message we received
+ * @param ats performance data
+ * @param ats_count number of entries in ats (excluding 0-termination)
*/
static void
-handle_set_key (struct Neighbour *n, const struct SetKeyMessage *m)
+handle_set_key (struct Neighbour *n,
+ const struct SetKeyMessage *m,
+ const struct GNUNET_TRANSPORT_ATS_Information *ats,
+ uint32_t ats_count)
{
struct SetKeyMessage *m_cpy;
struct GNUNET_TIME_Absolute t;
n->last_packets_bitmap = 0;
n->decrypt_key_created = t;
}
+ update_neighbour_performance (n, ats, ats_count);
sender_status = (enum PeerStateMachine) ntohl (m->sender_status);
switch (n->status)
{
{
ping = n->pending_ping;
n->pending_ping = NULL;
- handle_ping (n, ping);
+ handle_ping (n, ping, NULL, 0);
GNUNET_free (ping);
}
if (n->pending_pong != NULL)
{
pong = n->pending_pong;
n->pending_pong = NULL;
- handle_pong (n, pong);
+ handle_pong (n, pong, NULL, 0);
GNUNET_free (pong);
}
}
struct Client *client,
const void *m, size_t msize)
{
- char buf[msize + sizeof (struct NotifyTrafficMessage)];
+ size_t size = msize + sizeof (struct NotifyTrafficMessage) +
+ (sender->ats_count) * sizeof (struct GNUNET_TRANSPORT_ATS_Information);
+ char buf[size];
struct NotifyTrafficMessage *ntm;
+ struct GNUNET_TRANSPORT_ATS_Information *ats;
+ if (size >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
+ {
+ GNUNET_break (0);
+ /* recovery strategy: throw performance data away... */
+ GNUNET_array_grow (sender->ats,
+ sender->ats_count,
+ 0);
+ size = msize + sizeof (struct NotifyTrafficMessage) +
+ (sender->ats_count) * sizeof (struct GNUNET_TRANSPORT_ATS_Information);
+ }
#if DEBUG_CORE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Core service passes message from `%4s' of type %u to client.\n",
(unsigned int) ntohs (((const struct GNUNET_MessageHeader *) m)->type));
#endif
ntm = (struct NotifyTrafficMessage *) buf;
- ntm->header.size = htons (msize + sizeof (struct NotifyTrafficMessage));
+ ntm->header.size = htons (size);
ntm->header.type = htons (GNUNET_MESSAGE_TYPE_CORE_NOTIFY_INBOUND);
- ntm->ats_count = htonl (0);
- ntm->ats.type = htonl (0);
- ntm->ats.value = htonl (0);
+ ntm->ats_count = htonl (sender->ats_count);
ntm->peer = sender->peer;
- memcpy (&ntm[1], m, msize);
+ ats = &ntm->ats;
+ memcpy (ats,
+ sender->ats,
+ sizeof (struct GNUNET_TRANSPORT_ATS_Information) * sender->ats_count);
+ ats[sender->ats_count].type = htonl (GNUNET_TRANSPORT_ATS_ARRAY_TERMINATOR);
+ ats[sender->ats_count].value = htonl (0);
+ memcpy (&ats[sender->ats_count+1],
+ m,
+ msize);
send_to_client (client, &ntm->header, GNUNET_YES);
}
/**
* We received an encrypted message. Decrypt, validate and
* pass on to the appropriate clients.
+ *
+ * @param n target of the message
+ * @param m encrypted message
+ * @param ats performance data
+ * @param ats_count number of entries in ats (excluding 0-termination)
*/
static void
handle_encrypted_message (struct Neighbour *n,
- const struct EncryptedMessage *m)
+ const struct EncryptedMessage *m,
+ const struct GNUNET_TRANSPORT_ATS_Information *ats,
+ uint32_t ats_count)
{
size_t size = ntohs (m->header.size);
char buf[size];
size - sizeof (struct EncryptedMessage),
GNUNET_NO);
handle_peer_status_change (n);
+ update_neighbour_performance (n, ats, ats_count);
if (GNUNET_OK != GNUNET_SERVER_mst_receive (mst,
n,
&buf[sizeof (struct EncryptedMessage)],
* @param cls closure
* @param peer (claimed) identity of the other peer
* @param message the message
- * @param latency estimated latency for communicating with the
- * given peer (round-trip)
- * @param distance in overlay hops, as given by transport plugin
+ * @param ats performance data
+ * @param ats_count number of entries in ats (excluding 0-termination)
*/
static void
handle_transport_receive (void *cls,
const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_MessageHeader *message,
- struct GNUNET_TIME_Relative latency,
- unsigned int distance)
+ const struct GNUNET_TRANSPORT_ATS_Information *ats,
+ uint32_t ats_count)
{
struct Neighbour *n;
struct GNUNET_TIME_Absolute now;
return;
}
GNUNET_STATISTICS_update (stats, gettext_noop ("# session keys received"), 1, GNUNET_NO);
- handle_set_key (n, (const struct SetKeyMessage *) message);
+ handle_set_key (n,
+ (const struct SetKeyMessage *) message,
+ ats, ats_count);
break;
case GNUNET_MESSAGE_TYPE_CORE_ENCRYPTED_MESSAGE:
if (size < sizeof (struct EncryptedMessage) +
GNUNET_break_op (0);
return;
}
- handle_encrypted_message (n, (const struct EncryptedMessage *) message);
+ handle_encrypted_message (n,
+ (const struct EncryptedMessage *) message,
+ ats, ats_count);
break;
case GNUNET_MESSAGE_TYPE_CORE_PING:
if (size != sizeof (struct PingMessage))
memcpy (n->pending_ping, message, sizeof (struct PingMessage));
return;
}
- handle_ping (n, (const struct PingMessage *) message);
+ handle_ping (n, (const struct PingMessage *) message,
+ ats, ats_count);
break;
case GNUNET_MESSAGE_TYPE_CORE_PONG:
if (size != sizeof (struct PongMessage))
memcpy (n->pending_pong, message, sizeof (struct PongMessage));
return;
}
- handle_pong (n, (const struct PongMessage *) message);
+ handle_pong (n, (const struct PongMessage *) message,
+ ats, ats_count);
break;
default:
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
{
struct Neighbour *n = cls;
struct GNUNET_BANDWIDTH_Value32NBO q_in;
+ struct GNUNET_BANDWIDTH_Value32NBO q_out;
+ struct GNUNET_BANDWIDTH_Value32NBO q_out_min;
double pref_rel;
double share;
unsigned long long distributable;
need_per_peer = GNUNET_BANDWIDTH_value_get_available_until (MIN_BANDWIDTH_PER_PEER,
GNUNET_TIME_UNIT_SECONDS);
need_per_second = need_per_peer * neighbour_count;
+
+ /* calculate inbound bandwidth per peer */
distributable = 0;
- if (bandwidth_target_out_bps > need_per_second)
- distributable = bandwidth_target_out_bps - need_per_second;
+ if (bandwidth_target_in_bps > need_per_second)
+ distributable = bandwidth_target_in_bps - need_per_second;
share = distributable * pref_rel;
if (share + need_per_peer > UINT32_MAX)
q_in = GNUNET_BANDWIDTH_value_init (UINT32_MAX);
else
q_in = GNUNET_BANDWIDTH_value_init (need_per_peer + (uint32_t) share);
+
+ /* calculate outbound bandwidth per peer */
+ distributable = 0;
+ if (bandwidth_target_out_bps > need_per_second)
+ distributable = bandwidth_target_out_bps - need_per_second;
+ share = distributable * pref_rel;
+ if (share + need_per_peer > UINT32_MAX)
+ q_out = GNUNET_BANDWIDTH_value_init (UINT32_MAX);
+ else
+ q_out = GNUNET_BANDWIDTH_value_init (need_per_peer + (uint32_t) share);
+ n->bw_out_internal_limit = q_out;
+
+ q_out_min = GNUNET_BANDWIDTH_value_min (n->bw_out_external_limit, n->bw_out_internal_limit);
+ GNUNET_BANDWIDTH_tracker_update_quota (&n->available_send_window, n->bw_out);
+
/* check if we want to disconnect for good due to inactivity */
- if ( (GNUNET_TIME_absolute_get_duration (n->last_activity).rel_value > GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value) &&
+ if ( (GNUNET_TIME_absolute_get_duration (get_neighbour_timeout (n)).rel_value > 0) &&
(GNUNET_TIME_absolute_get_duration (n->time_established).rel_value > GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value) )
{
#if DEBUG_CORE
(unsigned int) ntohl (n->bw_in.value__),
(unsigned int) ntohl (n->bw_out.value__),
(unsigned int) ntohl (n->bw_out_internal_limit.value__));
-#endif
- if (n->bw_in.value__ != q_in.value__)
+ #endif
+ if ((n->bw_in.value__ != q_in.value__) || (n->bw_out.value__ != q_out_min.value__))
{
- n->bw_in = q_in;
+ if (n->bw_in.value__ != q_in.value__)
+ n->bw_in = q_in;
+ if (n->bw_out.value__ != q_out_min.value__)
+ n->bw_out = q_out_min;
if (GNUNET_YES == n->is_connected)
GNUNET_TRANSPORT_set_quota (transport,
&n->peer,
*
* @param cls closure
* @param peer the peer that connected
- * @param latency current latency of the connection
- * @param distance in overlay hops, as given by transport plugin
+ * @param ats performance data
+ * @param ats_count number of entries in ats (excluding 0-termination)
*/
static void
handle_transport_notify_connect (void *cls,
const struct GNUNET_PeerIdentity *peer,
- struct GNUNET_TIME_Relative latency,
- unsigned int distance)
+ const struct GNUNET_TRANSPORT_ATS_Information *ats,
+ uint32_t ats_count)
{
struct Neighbour *n;
1,
GNUNET_NO);
n->is_connected = GNUNET_YES;
+ update_neighbour_performance (n, ats, ats_count);
GNUNET_BANDWIDTH_tracker_init (&n->available_send_window,
n->bw_out,
MAX_WINDOW_TIME_S);
cnm.header.size = htons (sizeof (struct DisconnectNotifyMessage));
cnm.header.type = htons (GNUNET_MESSAGE_TYPE_CORE_NOTIFY_DISCONNECT);
cnm.peer = *peer;
- send_to_all_clients (&cnm.header, GNUNET_YES, GNUNET_CORE_OPTION_SEND_DISCONNECT);
+ send_to_all_clients (&cnm.header, GNUNET_NO, GNUNET_CORE_OPTION_SEND_DISCONNECT);
+ }
+
+ /* On transport disconnect transport doesn't cancel requests, so must do so here. */
+ if (n->th != NULL)
+ {
+ GNUNET_TRANSPORT_notify_transmit_ready_cancel(n->th);
}
+ n->th = NULL;
+
n->is_connected = GNUNET_NO;
+ n->status = PEER_STATE_DOWN;
while (NULL != (car = n->active_client_request_head))
{
GNUNET_CONTAINER_DLL_remove (n->active_client_request_head,
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Core service shutting down.\n");
#endif
- GNUNET_assert (transport != NULL);
- GNUNET_TRANSPORT_disconnect (transport);
- transport = NULL;
while (NULL != (n = neighbours))
{
neighbours = n->next;
neighbour_count--;
free_neighbour (n);
}
+ GNUNET_assert (transport != NULL);
+ GNUNET_TRANSPORT_disconnect (transport);
+ transport = NULL;
GNUNET_STATISTICS_set (stats, gettext_noop ("# neighbour entries allocated"), neighbour_count, GNUNET_NO);
GNUNET_SERVER_notification_context_destroy (notifier);
notifier = NULL;
static const struct GNUNET_SERVER_MessageHandler handlers[] = {
{&handle_client_init, NULL,
GNUNET_MESSAGE_TYPE_CORE_INIT, 0},
+ {&handle_client_iterate_peers, NULL,
+ GNUNET_MESSAGE_TYPE_CORE_ITERATE_PEERS,
+ sizeof (struct GNUNET_MessageHeader)},
{&handle_client_request_info, NULL,
GNUNET_MESSAGE_TYPE_CORE_REQUEST_INFO,
sizeof (struct RequestInfoMessage)},
projects / oweals / gnunet.git / blobdiff