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[GNUnet-SVN] r32626 - gnunet/src/mesh
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From: |
gnunet |
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Subject: |
[GNUnet-SVN] r32626 - gnunet/src/mesh |
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Date: |
Thu, 13 Mar 2014 16:01:34 +0100 |
Author: bartpolot
Date: 2014-03-13 16:01:34 +0100 (Thu, 13 Mar 2014)
New Revision: 32626
Added:
gnunet/src/mesh/mesh_profiler.c
Log:
- inital mesh_profiler commit
Added: gnunet/src/mesh/mesh_profiler.c
===================================================================
--- gnunet/src/mesh/mesh_profiler.c (rev 0)
+++ gnunet/src/mesh/mesh_profiler.c 2014-03-13 15:01:34 UTC (rev 32626)
@@ -0,0 +1,1021 @@
+/*
+ This file is part of GNUnet.
+ (C) 2011 Christian Grothoff (and other contributing authors)
+
+ GNUnet is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3, or (at your
+ option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNUnet; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+/**
+ * @file mesh/mesh_profiler.c
+ *
+ * @brief Profiler for mesh experiments.
+ */
+#include <stdio.h>
+#include "platform.h"
+#include "mesh_test_lib.h"
+#include "gnunet_mesh_service.h"
+#include "gnunet_statistics_service.h"
+#include <gauger.h>
+
+
+/**
+ * How namy messages to send
+ */
+#define TOTAL_PACKETS 1000
+
+/**
+ * How namy peers to run
+ */
+#define TOTAL_PEERS 1000
+
+/**
+ * How long until we give up on connecting the peers?
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
+
+/**
+ * Time to wait for stuff that should be rather fast
+ */
+#define SHORT_TIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
+
+
+/**
+ * How many events have happened
+ */
+static int ok;
+
+/**
+ * Number of events expected to conclude the test successfully.
+ */
+int ok_goal;
+
+/**
+ * Size of each test packet
+ */
+size_t size_payload = sizeof (struct GNUNET_MessageHeader) + sizeof (uint32_t);
+
+/**
+ * Operation to get peer ids.
+ */
+struct GNUNET_TESTBED_Operation *t_op[TOTAL_PEERS];
+
+/**
+ * Peer ids.
+ */
+struct GNUNET_PeerIdentity *p_id[TOTAL_PEERS];
+
+/**
+ * Mesh handle for the root peer
+ */
+static struct GNUNET_MESH_Handle *mesh_h[TOTAL_PEERS];
+
+/**
+ * Channel handle for the root peer
+ */
+static struct GNUNET_MESH_Channel *ch;
+
+/**
+ * Channel handle for the dest peer
+ */
+static struct GNUNET_MESH_Channel *incoming_ch;
+
+/**
+ * Peer ids counter.
+ */
+unsigned int p_ids;
+
+/**
+ * Is the setup initialized?
+ */
+static int initialized;
+
+/**
+ * Number of payload packes sent
+ */
+static int data_sent;
+
+/**
+ * Number of payload packets received
+ */
+static int data_received;
+
+/**
+ * Number of payload packed explicitly (app level) acknowledged
+ */
+static int data_ack;
+
+/**
+ * Total number of currently running peers.
+ */
+static unsigned long long peers_running;
+
+/**
+ * Test context (to shut down).
+ */
+struct GNUNET_MESH_TEST_Context *test_ctx;
+
+/**
+ * Task called to shutdown test.
+ */
+static GNUNET_SCHEDULER_TaskIdentifier shutdown_handle;
+
+/**
+ * Task called to disconnect peers, before shutdown.
+ */
+static GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
+
+/**
+ * Task to perform tests
+ */
+static GNUNET_SCHEDULER_TaskIdentifier test_task;
+
+/**
+ * Time we started the data transmission (after channel has been established
+ * and initilized).
+ */
+static struct GNUNET_TIME_Absolute start_time;
+
+static struct GNUNET_TESTBED_Peer **testbed_peers;
+
+/**
+ *
+ */
+static struct GNUNET_STATISTICS_Handle *stats;
+static struct GNUNET_STATISTICS_GetHandle *stats_get;
+static struct GNUNET_TESTBED_Operation *stats_op;
+static unsigned int ka_sent;
+static unsigned int ka_received;
+
+
+/**
+ * Show the results of the test (banwidth acheived) and log them to GAUGER
+ */
+static void
+show_end_data (void)
+{
+ static struct GNUNET_TIME_Absolute end_time;
+ static struct GNUNET_TIME_Relative total_time;
+
+ end_time = GNUNET_TIME_absolute_get();
+ total_time = GNUNET_TIME_absolute_get_difference(start_time, end_time);
+ FPRINTF (stderr, "\nResults of test \"%s\"\n", test_name);
+ FPRINTF (stderr, "Test time %s\n",
+ GNUNET_STRINGS_relative_time_to_string (total_time,
+ GNUNET_YES));
+ FPRINTF (stderr, "Test bandwidth: %f kb/s\n",
+ 4 * TOTAL_PACKETS * 1.0 / (total_time.rel_value_us / 1000)); //
4bytes * ms
+ FPRINTF (stderr, "Test throughput: %f packets/s\n\n",
+ TOTAL_PACKETS * 1000.0 / (total_time.rel_value_us / 1000)); //
packets * ms
+ GAUGER ("MESH", test_name,
+ TOTAL_PACKETS * 1000.0 / (total_time.rel_value_us / 1000),
+ "packets/s");
+}
+
+
+/**
+ * Shut down peergroup, clean up.
+ *
+ * @param cls Closure (unused).
+ * @param tc Task Context.
+ */
+static void
+shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Ending test.\n");
+ shutdown_handle = GNUNET_SCHEDULER_NO_TASK;
+}
+
+
+/**
+ * Disconnect from mesh services af all peers, call shutdown.
+ *
+ * @param cls Closure (unused).
+ * @param tc Task Context.
+ */
+static void
+disconnect_mesh_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext
*tc)
+{
+ long line = (long) cls;
+ unsigned int i;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "disconnecting mesh service of peers, called from line %ld\n",
+ line);
+ disconnect_task = GNUNET_SCHEDULER_NO_TASK;
+ for (i = 0; i < 2; i++)
+ {
+ GNUNET_TESTBED_operation_done (t_op[i]);
+ }
+ if (NULL != ch)
+ {
+ GNUNET_MESH_channel_destroy (ch);
+ ch = NULL;
+ }
+ if (NULL != incoming_ch)
+ {
+ GNUNET_MESH_channel_destroy (incoming_ch);
+ incoming_ch = NULL;
+ }
+ GNUNET_MESH_TEST_cleanup (test_ctx);
+ if (GNUNET_SCHEDULER_NO_TASK != shutdown_handle)
+ {
+ GNUNET_SCHEDULER_cancel (shutdown_handle);
+ }
+ if (NULL != stats_get)
+ GNUNET_STATISTICS_get_cancel (stats_get);
+ shutdown_handle = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
+}
+
+
+/**
+ * Abort test: schedule disconnect and shutdown immediately
+ *
+ * @param line Line in the code the abort is requested from (__LINE__).
+ */
+static void
+abort_test (long line)
+{
+ if (disconnect_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel (disconnect_task);
+ disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_mesh_peers,
+ (void *) line);
+ }
+}
+
+/**
+ * Transmit ready callback.
+ *
+ * @param cls Closure (message type).
+ * @param size Size of the tranmist buffer.
+ * @param buf Pointer to the beginning of the buffer.
+ *
+ * @return Number of bytes written to buf.
+ */
+static size_t
+tmt_rdy (void *cls, size_t size, void *buf);
+
+
+/**
+ * Task to schedule a new data transmission.
+ *
+ * @param cls Closure (peer #).
+ * @param tc Task Context.
+ */
+static void
+data_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct GNUNET_MESH_TransmitHandle *th;
+ struct GNUNET_MESH_Channel *channel;
+
+ if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
+ return;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Data task\n");
+ if (GNUNET_YES == test_backwards)
+ {
+ channel = incoming_ch;
+ }
+ else
+ {
+ channel = ch;
+ }
+ th = GNUNET_MESH_notify_transmit_ready (channel, GNUNET_NO,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ size_payload, &tmt_rdy, (void *) 1L);
+ if (NULL == th)
+ {
+ unsigned long i = (unsigned long) cls;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Retransmission\n");
+ if (0 == i)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, " in 1 ms\n");
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MILLISECONDS,
+ &data_task, (void *)1UL);
+ }
+ else
+ {
+ i++;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "in %u ms\n", i);
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
+ GNUNET_TIME_UNIT_MILLISECONDS,
+ i),
+ &data_task, (void *)i);
+ }
+ }
+}
+
+
+/**
+ * Transmit ready callback
+ *
+ * @param cls Closure (message type).
+ * @param size Size of the buffer we have.
+ * @param buf Buffer to copy data to.
+ */
+size_t
+tmt_rdy (void *cls, size_t size, void *buf)
+{
+ struct GNUNET_MessageHeader *msg = buf;
+ uint32_t *data;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "tmt_rdy called, filling buffer\n");
+ if (size < size_payload || NULL == buf)
+ {
+ GNUNET_break (ok >= ok_goal - 2);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "size %u, buf %p, data_sent %u, data_received %u\n",
+ size, buf, data_sent, data_received);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ok %u, ok goal %u\n", ok, ok_goal);
+
+ return 0;
+ }
+ msg->size = htons (size);
+ msg->type = htons ((long) cls);
+ data = (uint32_t *) &msg[1];
+ *data = htonl (data_sent);
+ if (GNUNET_NO == initialized)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "sending initializer\n");
+ }
+ else if (SPEED == test)
+ {
+ data_sent++;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ " Sent packet %d\n", data_sent);
+ if (data_sent < TOTAL_PACKETS)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ " Scheduling packet %d\n", data_sent + 1);
+ GNUNET_SCHEDULER_add_now (&data_task, NULL);
+ }
+ }
+
+ return size_payload;
+}
+
+
+/**
+ * Function is called whenever a message is received.
+ *
+ * @param cls closure (set from GNUNET_MESH_connect)
+ * @param channel connection to the other end
+ * @param channel_ctx place to store local state associated with the channel
+ * @param message the actual message
+ * @return GNUNET_OK to keep the connection open,
+ * GNUNET_SYSERR to close it (signal serious error)
+ */
+int
+data_callback (void *cls, struct GNUNET_MESH_Channel *channel,
+ void **channel_ctx,
+ const struct GNUNET_MessageHeader *message)
+{
+ long client = (long) cls;
+ long expected_target_client;
+ uint32_t *data;
+
+ ok++;
+
+ GNUNET_MESH_receive_done (channel);
+
+ if ((ok % 20) == 0)
+ {
+ if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
+ {
+ GNUNET_SCHEDULER_cancel (disconnect_task);
+ disconnect_task = GNUNET_SCHEDULER_add_delayed (SHORT_TIME,
+ &disconnect_mesh_peers,
+ (void *) __LINE__);
+ }
+ }
+
+ switch (client)
+ {
+ case 0L:
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Root client got a message!\n");
+ break;
+ case 4L:
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Leaf client %li got a message.\n",
+ client);
+ break;
+ default:
+ GNUNET_assert (0);
+ break;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, " ok: (%d/%d)\n", ok, ok_goal);
+ data = (uint32_t *) &message[1];
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, " payload: (%u)\n", ntohl (*data));
+ if (SPEED == test && GNUNET_YES == test_backwards)
+ {
+ expected_target_client = 0L;
+ }
+ else
+ {
+ expected_target_client = 4L;
+ }
+
+ if (GNUNET_NO == initialized)
+ {
+ initialized = GNUNET_YES;
+ start_time = GNUNET_TIME_absolute_get ();
+ if (SPEED == test)
+ {
+ GNUNET_assert (4L == client);
+ GNUNET_SCHEDULER_add_now (&data_task, NULL);
+ return GNUNET_OK;
+ }
+ }
+
+ if (client == expected_target_client) // Normally 4
+ {
+ data_received++;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, " received data %u\n", data_received);
+ if (SPEED != test || (ok_goal - 2) == ok)
+ {
+ GNUNET_MESH_notify_transmit_ready (channel, GNUNET_NO,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ size_payload, &tmt_rdy, (void *) 1L);
+ return GNUNET_OK;
+ }
+ else
+ {
+ if (data_received < TOTAL_PACKETS)
+ return GNUNET_OK;
+ }
+ }
+ else // Normally 0
+ {
+ if (test == SPEED_ACK || test == SPEED)
+ {
+ data_ack++;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, " received ack %u\n", data_ack);
+ GNUNET_MESH_notify_transmit_ready (channel, GNUNET_NO,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ size_payload, &tmt_rdy, (void *) 1L);
+ if (data_ack < TOTAL_PACKETS && SPEED != test)
+ return GNUNET_OK;
+ if (ok == 2 && SPEED == test)
+ return GNUNET_OK;
+ show_end_data();
+ }
+ if (test == P2P_SIGNAL)
+ {
+ GNUNET_MESH_channel_destroy (incoming_ch);
+ incoming_ch = NULL;
+ }
+ else
+ {
+ GNUNET_MESH_channel_destroy (ch);
+ ch = NULL;
+ }
+ }
+
+ if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
+ {
+ GNUNET_SCHEDULER_cancel (disconnect_task);
+ disconnect_task = GNUNET_SCHEDULER_add_delayed (SHORT_TIME,
+ &disconnect_mesh_peers,
+ (void *) __LINE__);
+ }
+
+ return GNUNET_OK;
+}
+
+
+/**
+ * Adapter function called to establish a connection to the statistics service.
+ *
+ * @param cls closure
+ * @param cfg configuration of the peer to connect to; will be available until
+ * GNUNET_TESTBED_operation_done() is called on the operation returned
+ * from GNUNET_TESTBED_service_connect()
+ * @return service handle to return in 'op_result', NULL on error
+ */
+static void *
+stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ return GNUNET_STATISTICS_create ("<test_mesh>", cfg);
+}
+
+
+/**
+ * Adapter function called to destroy a connection to
+ * statistics service.
+ *
+ * @param cls Closure (unused).
+ * @param op_result service handle returned from the connect adapter
+ */
+static void
+stats_da (void *cls, void *op_result)
+{
+ GNUNET_assert (op_result == stats);
+ GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
+ stats = NULL;
+}
+
+
+/**
+ * Function called by testbed once we are connected to stats
+ * service. Get the statistics of interest.
+ *
+ * @param cls Closure (unused).
+ * @param op connect operation handle
+ * @param ca_result handle to stats service
+ * @param emsg error message on failure
+ */
+static void
+stats_connect_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ void *ca_result,
+ const char *emsg);
+
+/**
+ * Stats callback. Finish the stats testbed operation and when all stats have
+ * been iterated, shutdown the test.
+ *
+ * @param cls closure
+ * @param success GNUNET_OK if statistics were
+ * successfully obtained, GNUNET_SYSERR if not.
+ */
+static void
+stats_cont (void *cls, int success)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "stats_cont for peer %u\n", cls);
+ GNUNET_TESTBED_operation_done (stats_op);
+ stats_get = NULL;
+ if (NULL == cls)
+ {
+ stats_op = GNUNET_TESTBED_service_connect (NULL,
+ testbed_peers[4],
+ "statistics",
+ &stats_connect_cb,
+ (void *)4,
+ &stats_ca,
+ &stats_da,
+ (void *)4);
+ }
+ else
+ {
+ if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
+ GNUNET_SCHEDULER_cancel (disconnect_task);
+ disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_mesh_peers,
+ (void *) __LINE__);
+ }
+}
+
+
+/**
+ * Process statistic values.
+ *
+ * @param cls closure
+ * @param subsystem name of subsystem that created the statistic
+ * @param name the name of the datum
+ * @param value the current value
+ * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
+ * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
+ */
+static int
+stats_iterator (void *cls, const char *subsystem, const char *name,
+ uint64_t value, int is_persistent)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " %u - %s [%s]: %llu\n",
+ cls, subsystem, name, value);
+ if (0 == strncmp("# keepalives sent", name,
+ strlen("# keepalives sent"))
+ && 0 == (long) cls)
+ ka_sent = value;
+
+ if (0 == strncmp("# keepalives received", name,
+ strlen ("# keepalives received"))
+ && 4 == (long) cls)
+ {
+ ka_received = value;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, " sent: %u, received: %u\n",
+ ka_sent, ka_received);
+ if (ka_sent < 2 || ka_sent > ka_received + 1)
+ ok--;
+ }
+
+ return GNUNET_OK;
+}
+
+
+/**
+ * Function called by testbed once we are connected to stats
+ * service. Get the statistics of interest.
+ *
+ * @param cls Closure (unused).
+ * @param op connect operation handle
+ * @param ca_result handle to stats service
+ * @param emsg error message on failure
+ */
+static void
+stats_connect_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ void *ca_result,
+ const char *emsg)
+{
+ if (NULL == ca_result || NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to connect to statistics service: %s\n", emsg);
+ return;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "stats for peer %u\n", cls);
+ stats = ca_result;
+
+ stats_get = GNUNET_STATISTICS_get (stats, "mesh", NULL,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &stats_cont, &stats_iterator, cls);
+ if (NULL == stats_get)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not get statistics of peer %u!\n", cls);
+ }
+}
+
+
+/**
+ * Task check that keepalives were sent and received.
+ *
+ * @param cls Closure (NULL).
+ * @param tc Task Context.
+ */
+static void
+check_keepalives (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
+ return;
+
+ disconnect_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "check keepalives\n");
+ GNUNET_MESH_channel_destroy (ch);
+ stats_op = GNUNET_TESTBED_service_connect (NULL,
+ testbed_peers[0],
+ "statistics",
+ &stats_connect_cb,
+ NULL,
+ &stats_ca,
+ &stats_da,
+ NULL);
+}
+
+
+/**
+ * Handlers, for diverse services
+ */
+static struct GNUNET_MESH_MessageHandler handlers[] = {
+ {&data_callback, 1, sizeof (struct GNUNET_MessageHeader)},
+ {NULL, 0, 0}
+};
+
+
+/**
+ * Method called whenever another peer has added us to a channel
+ * the other peer initiated.
+ *
+ * @param cls Closure.
+ * @param channel New handle to the channel.
+ * @param initiator Peer that started the channel.
+ * @param port Port this channel is connected to.
+ * @param options channel option flags
+ * @return Initial channel context for the channel
+ * (can be NULL -- that's not an error).
+ */
+static void *
+incoming_channel (void *cls, struct GNUNET_MESH_Channel *channel,
+ const struct GNUNET_PeerIdentity *initiator,
+ uint32_t port, enum GNUNET_MESH_ChannelOption options)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Incoming channel from %s to peer %d\n",
+ GNUNET_i2s (initiator), (long) cls);
+ ok++;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, " ok: %d\n", ok);
+ if ((long) cls == 4L)
+ incoming_ch = channel;
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Incoming channel for unknown client %lu\n", (long) cls);
+ GNUNET_break(0);
+ }
+ if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
+ {
+ GNUNET_SCHEDULER_cancel (disconnect_task);
+ if (KEEPALIVE == test)
+ {
+ struct GNUNET_TIME_Relative delay;
+ delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS , 5);
+ disconnect_task =
+ GNUNET_SCHEDULER_add_delayed (delay, &check_keepalives, NULL);
+ }
+ else
+ disconnect_task = GNUNET_SCHEDULER_add_delayed (SHORT_TIME,
+ &disconnect_mesh_peers,
+ (void *) __LINE__);
+ }
+
+ return NULL;
+}
+
+/**
+ * Function called whenever an inbound channel is destroyed. Should clean up
+ * any associated state.
+ *
+ * @param cls closure (set from GNUNET_MESH_connect)
+ * @param channel connection to the other end (henceforth invalid)
+ * @param channel_ctx place where local state associated
+ * with the channel is stored
+ */
+static void
+channel_cleaner (void *cls, const struct GNUNET_MESH_Channel *channel,
+ void *channel_ctx)
+{
+ long i = (long) cls;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Incoming channel disconnected at peer %d\n",
+ i);
+ if (4L == i)
+ {
+ ok++;
+ GNUNET_break (channel == incoming_ch);
+ incoming_ch = NULL;
+ }
+ else if (0L == i)
+ {
+ if (P2P_SIGNAL == test)
+ {
+ ok ++;
+ }
+ GNUNET_break (channel == ch);
+ ch = NULL;
+ }
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Unknown peer! %d\n", i);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, " ok: %d\n", ok);
+
+ if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
+ {
+ GNUNET_SCHEDULER_cancel (disconnect_task);
+ disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_mesh_peers,
+ (void *) __LINE__);
+ }
+
+ return;
+}
+
+
+/**
+ * START THE TESTCASE ITSELF, AS WE ARE CONNECTED TO THE MESH SERVICES.
+ *
+ * Testcase continues when the root receives confirmation of connected peers,
+ * on callback funtion ch.
+ *
+ * @param cls Closure (unsued).
+ * @param tc Task Context.
+ */
+static void
+do_test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ enum GNUNET_MESH_ChannelOption flags;
+
+ if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
+ return;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test_task\n");
+
+ if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
+ {
+ GNUNET_SCHEDULER_cancel (disconnect_task);
+ }
+
+ flags = GNUNET_MESH_OPTION_DEFAULT;
+ if (SPEED_REL == test)
+ {
+ test = SPEED;
+ flags |= GNUNET_MESH_OPTION_RELIABLE;
+ }
+ ch = GNUNET_MESH_channel_create (h1, NULL, p_id[1], 1, flags);
+
+ disconnect_task = GNUNET_SCHEDULER_add_delayed (SHORT_TIME,
+ &disconnect_mesh_peers,
+ (void *) __LINE__);
+ if (KEEPALIVE == test)
+ return; /* Don't send any data. */
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending data initializer...\n");
+ data_ack = 0;
+ data_received = 0;
+ data_sent = 0;
+ GNUNET_MESH_notify_transmit_ready (ch, GNUNET_NO,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ size_payload, &tmt_rdy, (void *) 1L);
+}
+
+/**
+ * Callback to be called when the requested peer information is available
+ *
+ * @param cls the closure from GNUNET_TESTBED_peer_get_information()
+ * @param op the operation this callback corresponds to
+ * @param pinfo the result; will be NULL if the operation has failed
+ * @param emsg error message if the operation has failed;
+ * NULL if the operation is successfull
+ */
+static void
+pi_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ const struct GNUNET_TESTBED_PeerInformation *pinfo,
+ const char *emsg)
+{
+ long i = (long) cls;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "id callback for %ld\n", i);
+
+ if (NULL == pinfo || NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "pi_cb: %s\n", emsg);
+ abort_test (__LINE__);
+ return;
+ }
+ p_id[i] = pinfo->result.id;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " id: %s\n", GNUNET_i2s (p_id[i]));
+ p_ids++;
+ if (p_ids < 2)
+ return;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got all IDs, starting test\n");
+ test_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
+ &do_test, NULL);
+}
+
+/**
+ * test main: start test when all peers are connected
+ *
+ * @param cls Closure.
+ * @param ctx Argument to give to GNUNET_MESH_TEST_cleanup on test end.
+ * @param num_peers Number of peers that are running.
+ * @param peers Array of peers.
+ * @param meshes Handle to each of the MESHs of the peers.
+ */
+static void
+tmain (void *cls,
+ struct GNUNET_MESH_TEST_Context *ctx,
+ unsigned int num_peers,
+ struct GNUNET_TESTBED_Peer **peers,
+ struct GNUNET_MESH_Handle **meshes)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test main\n");
+ ok = 0;
+ test_ctx = ctx;
+ peers_running = num_peers;
+ testbed_peers = peers;
+ h1 = meshes[0];
+ h2 = meshes[num_peers - 1];
+ disconnect_task = GNUNET_SCHEDULER_add_delayed (SHORT_TIME,
+ &disconnect_mesh_peers,
+ (void *) __LINE__);
+ shutdown_handle = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+ &shutdown_task, NULL);
+ t_op[0] = GNUNET_TESTBED_peer_get_information (peers[0],
+ GNUNET_TESTBED_PIT_IDENTITY,
+ &pi_cb, (void *) 0L);
+ t_op[1] = GNUNET_TESTBED_peer_get_information (peers[num_peers - 1],
+ GNUNET_TESTBED_PIT_IDENTITY,
+ &pi_cb, (void *) 1L);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "requested peer ids\n");
+}
+
+
+/**
+ * Main: start test
+ */
+int
+main (int argc, char *argv[])
+{
+ initialized = GNUNET_NO;
+ uint32_t ports[2];
+ const char *config_file;
+
+ GNUNET_log_setup ("test", "DEBUG", NULL);
+ config_file = "test_mesh.conf";
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Start\n");
+ if (strstr (argv[0], "_small_forward") != NULL)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "FORWARD\n");
+ test = FORWARD;
+ test_name = "unicast";
+ ok_goal = 4;
+ }
+ else if (strstr (argv[0], "_small_signal") != NULL)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "SIGNAL\n");
+ test = P2P_SIGNAL;
+ test_name = "signal";
+ ok_goal = 4;
+ }
+ else if (strstr (argv[0], "_small_speed_ack") != NULL)
+ {
+ /* Test is supposed to generate the following callbacks:
+ * 1 incoming channel (@dest)
+ * TOTAL_PACKETS received data packet (@dest)
+ * TOTAL_PACKETS received data packet (@orig)
+ * 1 received channel destroy (@dest)
+ */
+ ok_goal = TOTAL_PACKETS * 2 + 2;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "SPEED_ACK\n");
+ test = SPEED_ACK;
+ test_name = "speed ack";
+ }
+ else if (strstr (argv[0], "_small_speed") != NULL)
+ {
+ /* Test is supposed to generate the following callbacks:
+ * 1 incoming channel (@dest)
+ * 1 initial packet (@dest)
+ * TOTAL_PACKETS received data packet (@dest)
+ * 1 received data packet (@orig)
+ * 1 received channel destroy (@dest)
+ */
+ ok_goal = TOTAL_PACKETS + 4;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "SPEED\n");
+ if (strstr (argv[0], "_reliable") != NULL)
+ {
+ test = SPEED_REL;
+ test_name = "speed reliable";
+ config_file = "test_mesh_drop.conf";
+ }
+ else
+ {
+ test = SPEED;
+ test_name = "speed";
+ }
+ }
+ else if (strstr (argv[0], "_keepalive") != NULL)
+ {
+ test = KEEPALIVE;
+ /* Test is supposed to generate the following callbacks:
+ * 1 incoming channel (@dest)
+ * [wait]
+ * 1 received channel destroy (@dest)
+ */
+ ok_goal = 2;
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "UNKNOWN\n");
+ test = SETUP;
+ ok_goal = 0;
+ }
+
+ if (strstr (argv[0], "backwards") != NULL)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "BACKWARDS (LEAF TO ROOT)\n");
+ test_backwards = GNUNET_YES;
+ GNUNET_asprintf (&test_name, "backwards %s", test_name);
+ }
+
+ p_ids = 0;
+ ports[0] = 1;
+ ports[1] = 0;
+ GNUNET_MESH_TEST_run ("test_mesh_small",
+ config_file,
+ 5,
+ &tmain,
+ NULL, /* tmain cls */
+ &incoming_channel,
+ &channel_cleaner,
+ handlers,
+ ports);
+
+ if (ok_goal > ok)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "FAILED! (%d/%d)\n", ok, ok_goal);
+ return 1;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "success\n");
+ return 0;
+}
+
+/* end of test_mesh_small.c */
+
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