static float rounds[] = {0.8, 0.7, 0.6, 0.5, 0.0};
+/**
+ * Message type for pings.
+ */
+struct MeshPingMessage
+{
+ /**
+ * Header. Type PING/PONG.
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Message number.
+ */
+ uint32_t counter;
+
+ /**
+ * Time the message was sent.
+ */
+ struct GNUNET_TIME_AbsoluteNBO timestamp;
+};
+
+/**
+ * Peer description.
+ */
struct MeshPeer
{
/**
int up;
+ /**
+ * Destinaton to ping.
+ */
struct MeshPeer *dest;
+
+ /**
+ * Incoming channel for pings.
+ */
struct MeshPeer *incoming;
+
+ /**
+ * Task to do the next ping.
+ */
GNUNET_SCHEDULER_TaskIdentifier ping_task;
- struct GNUNET_TIME_Absolute timestamp;
};
/**
*/
static int ok_goal;
-/**
- * Size of each test packet
- */
-size_t size_payload = sizeof (struct GNUNET_MessageHeader) + sizeof (uint32_t);
-
/**
* Operation to get peer ids.
*/
/**
- * Transmit ready callback.
+ * Transmit ping callback.
*
* @param cls Closure (peer for PING, NULL for PONG).
* @param size Size of the tranmist buffer.
* @return Number of bytes written to buf.
*/
static size_t
-tmt_rdy (void *cls, size_t size, void *buf);
+tmt_rdy_ping (void *cls, size_t size, void *buf);
+
+
+/**
+ * Transmit pong callback.
+ *
+ * @param cls Closure (copy of PING message, to be freed).
+ * @param size Size of the buffer we have.
+ * @param buf Buffer to copy data to.
+ */
+static size_t
+tmt_rdy_pong (void *cls, size_t size, void *buf)
+{
+ struct MeshPingMessage *ping = cls;
+ struct MeshPingMessage *pong;
+
+ if (0 == size || NULL == buf)
+ {
+ GNUNET_free (ping);
+ return 0;
+ }
+ pong = (struct MeshPingMessage *) buf;
+ memcpy (pong, ping, sizeof (*ping));
+ pong->header.type = htons (PONG);
+
+ GNUNET_free (ping);
+ return sizeof (*ping);
+}
/**
peer->ping_task = GNUNET_SCHEDULER_NO_TASK;
if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0
- || GNUNET_YES == test_finished
- || 0 != peer->timestamp.abs_value_us)
+ || GNUNET_YES == test_finished)
return;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u -> %u\n",
- get_index (peer), get_index (peer->dest));
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u -> %u (%u)\n",
+ get_index (peer), get_index (peer->dest), peer->data_sent);
GNUNET_MESH_notify_transmit_ready (peer->ch, GNUNET_NO,
GNUNET_TIME_UNIT_FOREVER_REL,
- size_payload, &tmt_rdy, peer);
+ sizeof (struct MeshPingMessage),
+ &tmt_rdy_ping, peer);
}
/**
* @param tc Task context.
*/
static void
-pong (struct GNUNET_MESH_Channel *channel)
+pong (struct GNUNET_MESH_Channel *channel, const struct MeshPingMessage *ping)
{
+ struct MeshPingMessage *copy;
+
+ copy = GNUNET_new (struct MeshPingMessage);
+ memcpy (copy, ping, sizeof (*ping));
GNUNET_MESH_notify_transmit_ready (channel, GNUNET_NO,
GNUNET_TIME_UNIT_FOREVER_REL,
- size_payload, &tmt_rdy, NULL);
+ sizeof (struct MeshPingMessage),
+ &tmt_rdy_pong, copy);
}
/**
- * Transmit ready callback
+ * Transmit ping callback
*
- * @param cls Closure (peer for PING, NULL for PONG).
+ * @param cls Closure (peer).
* @param size Size of the buffer we have.
* @param buf Buffer to copy data to.
*/
static size_t
-tmt_rdy (void *cls, size_t size, void *buf)
+tmt_rdy_ping (void *cls, size_t size, void *buf)
{
struct MeshPeer *peer = (struct MeshPeer *) cls;
- struct GNUNET_MessageHeader *msg = buf;
- uint32_t *data;
+ struct MeshPingMessage *msg = buf;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "tmt_rdy called, filling buffer\n");
- if (size < size_payload || NULL == buf)
+ if (size < sizeof (struct MeshPingMessage) || NULL == buf)
{
GNUNET_break (0);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
return 0;
}
- msg->size = htons (size);
- if (NULL == peer)
- {
- msg->type = htons (PONG);
- return sizeof (*msg);
- }
-
- msg->type = htons (PING);
- data = (uint32_t *) &msg[1];
- *data = htonl (peer->data_sent);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sent: msg %d\n", peer->data_sent);
- peer->data_sent++;
- peer->timestamp = GNUNET_TIME_absolute_get ();
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending: msg %d\n", peer->data_sent);
+ msg->header.size = htons (size);
+ msg->header.type = htons (PING);
+ msg->counter = htonl (peer->data_sent++);
+ msg->timestamp = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get ());
peer->ping_task = GNUNET_SCHEDULER_add_delayed (delay_ms_rnd (PING_PERIOD),
&ping, peer);
- return size_payload;
+ return sizeof (struct MeshPingMessage);
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%u got PING\n", n);
GNUNET_MESH_receive_done (channel);
if (GNUNET_NO == test_finished)
- pong (channel);
+ pong (channel, (struct MeshPingMessage *) message);
return GNUNET_OK;
}
{
long n = (long) cls;
struct MeshPeer *peer;
+ struct MeshPingMessage *msg;
+ struct GNUNET_TIME_Absolute send_time;
struct GNUNET_TIME_Relative latency;
GNUNET_MESH_receive_done (channel);
peer = &peers[n];
- GNUNET_break (0 != peer->timestamp.abs_value_us);
- latency = GNUNET_TIME_absolute_get_duration (peer->timestamp);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u <- %u latency: %s\n",
- get_index (peer), get_index (peer->dest),
- GNUNET_STRINGS_relative_time_to_string (latency, GNUNET_NO));
+ msg = (struct MeshPingMessage *) message;
- if (GNUNET_SCHEDULER_NO_TASK == peer->ping_task)
- {
- peer->timestamp = GNUNET_TIME_absolute_get ();
- peer->ping_task = GNUNET_SCHEDULER_add_delayed (delay_ms_rnd (60 * 1000),
- &ping, peer);
- }
- else
- {
- peer->timestamp.abs_value_us = 0;
- }
+ send_time = GNUNET_TIME_absolute_ntoh (msg->timestamp);
+ latency = GNUNET_TIME_absolute_get_duration (send_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u <- %u (%u) latency: %s\n",
+ get_index (peer), get_index (peer->dest), ntohl (msg->counter),
+ GNUNET_STRINGS_relative_time_to_string (latency, GNUNET_NO));
return GNUNET_OK;
}
* Handlers, for diverse services
*/
static struct GNUNET_MESH_MessageHandler handlers[] = {
- {&ping_handler, PING, sizeof (struct GNUNET_MessageHeader)},
- {&pong_handler, PONG, sizeof (struct GNUNET_MessageHeader)},
+ {&ping_handler, PING, sizeof (struct MeshPingMessage)},
+ {&pong_handler, PONG, sizeof (struct MeshPingMessage)},
{NULL, 0, 0}
};
projects / oweals / gnunet.git / blobdiff