diff options
Diffstat (limited to 'src/mesh/test_mesh_local_traffic.c')
| -rw-r--r-- | src/mesh/test_mesh_local_traffic.c | 526 |
1 files changed, 526 insertions, 0 deletions
diff --git a/src/mesh/test_mesh_local_traffic.c b/src/mesh/test_mesh_local_traffic.c new file mode 100644 index 0000000..cd54ea8 --- /dev/null +++ b/src/mesh/test_mesh_local_traffic.c @@ -0,0 +1,526 @@ +/* + This file is part of GNUnet. + (C) 2012 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/test_mesh_local_traffic.c + * @brief test mesh local traffic: test of tunnels with just one peer + * @author Bartlomiej Polot + */ + +#include "platform.h" +#include "gnunet_util_lib.h" +#include "gnunet_mesh_service.h" +#include "gnunet_testing_lib.h" +#include <gauger.h> + +#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5) + +#define TARGET 1000 + +/** + * DIFFERENT TESTS TO RUN + */ +#define FWD 0 +#define BCK 1 +#define BOTH 2 + + +GNUNET_NETWORK_STRUCT_BEGIN + +struct test_traffic_message +{ + struct GNUNET_MessageHeader header; + uint32_t data GNUNET_PACKED; +}; + +GNUNET_NETWORK_STRUCT_END + + +/** Which test to run, based on executable name */ +static int test; + +static int started; + +/** How many packets to send from root to leaf */ +static unsigned int to_send_fwd; + +/** How many packets to send from leaf to root */ +static unsigned int to_send_bck; + +static unsigned int sent_fwd = 0; + +static unsigned int got_fwd = 0; + +static unsigned int sent_bck = 0; + +static unsigned int got_bck = 0; + +static struct GNUNET_MESH_Handle *mesh_peer_1; + +static struct GNUNET_MESH_Handle *mesh_peer_2; + +static struct GNUNET_MESH_Tunnel *t_fwd; + +static struct GNUNET_MESH_Tunnel *t_bck; + +static unsigned int one = 1; + +static unsigned int two = 2; + +static int result = GNUNET_SYSERR; + +static GNUNET_SCHEDULER_TaskIdentifier abort_task; + +static GNUNET_SCHEDULER_TaskIdentifier shutdown_task; + +static struct GNUNET_TIME_Absolute start_time; + +static struct GNUNET_TIME_Absolute end_time; + +static struct GNUNET_PeerIdentity peer_id; + + +/** + * Shutdown nicely + */ +static void +do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shutdown\n"); + if (0 != abort_task) + { + GNUNET_SCHEDULER_cancel (abort_task); + } + if (NULL != t_fwd) + { + GNUNET_MESH_tunnel_destroy(t_fwd); + } + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "D1\n"); + if (NULL != mesh_peer_1) + { + GNUNET_MESH_disconnect (mesh_peer_1); + } + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "D2\n"); + if (NULL != mesh_peer_2) + { + GNUNET_MESH_disconnect (mesh_peer_2); + } +} + + +/** + * Something went wrong and timed out. Kill everything and set error flag + */ +static void +do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "ABORT\n"); + result = GNUNET_SYSERR; + abort_task = 0; + if (GNUNET_SCHEDULER_NO_TASK != shutdown_task) + { + GNUNET_SCHEDULER_cancel (shutdown_task); + shutdown_task = GNUNET_SCHEDULER_NO_TASK; + } + do_shutdown (cls, tc); +} + +static void +finish(void) +{ + if (GNUNET_SCHEDULER_NO_TASK != shutdown_task) + GNUNET_SCHEDULER_cancel(shutdown_task); + shutdown_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, + &do_shutdown, NULL); +} + + +/** + * Transmit ready callback. + * + * @param cls Closure (peer number of peer sending the data). + * @param size Buffer size. + * @param buf Buffer. + */ +static size_t +tmt_rdy (void *cls, size_t size, void *buf) +{ + unsigned int peer_number = *(unsigned int *) cls; + struct GNUNET_MessageHeader *m = buf; + struct GNUNET_MESH_Tunnel *t; + struct test_traffic_message *msg = buf; + size_t msize = sizeof (struct test_traffic_message); + unsigned int *sent; + unsigned int target; + char *s; + + if (0 == size || NULL == buf) + return 0; + + if (1 == peer_number) + { + sent = &sent_fwd; + target = to_send_fwd; + t = t_fwd; + s = "FWD"; + } + else if (2 == peer_number) + { + sent = &sent_bck; + target = to_send_bck; + t = t_bck; + s = "BCK"; + } + else + GNUNET_abort(); + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending %s data packet # %4u\n", + s, *sent); + GNUNET_assert (size >= msize); + if (GNUNET_YES == started) + { + (*sent)++; + if (target > *sent) { + GNUNET_MESH_notify_transmit_ready (t, GNUNET_NO, + GNUNET_TIME_UNIT_FOREVER_REL, + &peer_id, msize, &tmt_rdy, cls); + } + } + m->size = htons (msize); + m->type = htons (1); + msg->data = htonl (*sent - 1); + return msize; +} + + +/** + * Function is called whenever a message is received. + * + * @param cls closure (set from GNUNET_MESH_connect) + * @param tunnel connection to the other end + * @param tunnel_ctx place to store local state associated with the tunnel + * @param sender who sent the message + * @param message the actual message + * @param atsi performance data for the connection + * @return GNUNET_OK to keep the connection open, + * GNUNET_SYSERR to close it (signal serious error) + */ +static int +data_callback (void *cls, struct GNUNET_MESH_Tunnel *tunnel, void **tunnel_ctx, + const struct GNUNET_PeerIdentity *sender, + const struct GNUNET_MessageHeader *message, + const struct GNUNET_ATS_Information *atsi) +{ + struct test_traffic_message *msg; + unsigned int *peer_number = cls; + unsigned int *got; + unsigned int target; + + if (GNUNET_NO == started) + { + GNUNET_break (2 == *peer_number); + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got initial data packet\n"); + started = GNUNET_YES; + start_time = GNUNET_TIME_absolute_get(); + if (FWD != test) // Send leaf -> root + { + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " sending first BCK data\n"); + GNUNET_MESH_notify_transmit_ready (t_bck, GNUNET_NO, + GNUNET_TIME_UNIT_FOREVER_REL, + NULL, + sizeof (struct test_traffic_message), + &tmt_rdy, &two); + } + if (BCK != test) // Send root -> leaf + { + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " sending first FWD data\n"); + GNUNET_MESH_notify_transmit_ready (t_fwd, GNUNET_NO, + GNUNET_TIME_UNIT_FOREVER_REL, + &peer_id, + sizeof (struct test_traffic_message), + &tmt_rdy, &one); + } + return GNUNET_OK; + } + + if (*peer_number == 1) + { + got = &got_bck; + target = to_send_bck; + } + else if (*peer_number == 2) + { + got = &got_fwd; + target = to_send_fwd; + } + else + { + GNUNET_abort(); + } + msg = (struct test_traffic_message *) message; + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got data packet # %u [%u]\n", + ntohl (msg->data), *got + 1); + (*got)++; + if (target == *got) + { + if (to_send_bck == sent_bck && to_send_fwd == sent_fwd) { + end_time = GNUNET_TIME_absolute_get(); + result = GNUNET_OK; + finish(); + } + return GNUNET_OK; + } + if (GNUNET_SCHEDULER_NO_TASK != shutdown_task) + GNUNET_SCHEDULER_cancel (shutdown_task); + shutdown_task = + GNUNET_SCHEDULER_add_delayed (TIMEOUT, &do_shutdown, + NULL); + return GNUNET_OK; +} + + +/** + * Method called whenever another peer has added us to a tunnel + * the other peer initiated. + * + * @param cls closure + * @param tunnel new handle to the tunnel + * @param initiator peer that started the tunnel + * @param atsi performance information for the tunnel + * @return initial tunnel context for the tunnel (can be NULL -- that's not an error) + */ +static void * +inbound_tunnel (void *cls, struct GNUNET_MESH_Tunnel *tunnel, + const struct GNUNET_PeerIdentity *initiator, + const struct GNUNET_ATS_Information *atsi) +{ + unsigned int id = *(unsigned int *) cls; + + t_bck = tunnel; + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "received incoming tunnel %p\n", tunnel); + if (id != 2) + { + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, + "received incoming tunnel on peer 1\n"); + result = GNUNET_SYSERR; + } + return NULL; +} + + +/** + * Function called whenever an inbound tunnel is destroyed. Should clean up + * any associated state. + * + * @param cls closure (set from GNUNET_MESH_connect) + * @param tunnel connection to the other end (henceforth invalid) + * @param tunnel_ctx place where local state associated + * with the tunnel is stored + */ +static void +inbound_end (void *cls, const struct GNUNET_MESH_Tunnel *tunnel, + void *tunnel_ctx) +{ + unsigned int id = *(unsigned int *) cls; + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "incoming tunnel closed\n"); + if (id != 2) + { + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, + "received closing tunnel on peer 1\n"); + result = GNUNET_SYSERR; + } +} + + +/** + * Method called whenever a peer has connected to the tunnel. + * + * @param cls Closure. + * @param peer Peer identity of connected peer. + */ +static void +peer_connected (void *cls, const struct GNUNET_PeerIdentity *peer, + const struct GNUNET_ATS_Information *atsi) +{ + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "peer connected\n"); + peer_id = *peer; + /* Force an inbound tunnel notification on peer 2 */ + GNUNET_MESH_notify_transmit_ready (t_fwd, GNUNET_NO, GNUNET_TIME_UNIT_FOREVER_REL, + peer, sizeof (struct test_traffic_message), + &tmt_rdy, &one); +} + + +/** + * Method called whenever a peer has connected to the tunnel. + * + * @param cls closure + * @param peer peer identity the tunnel was created to, NULL on timeout + * @param atsi performance data for the connection + */ +static void +peer_disconnected (void *cls, const struct GNUNET_PeerIdentity *peer) +{ + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "peer disconnected\n"); +} + + +/** + * Handler array for traffic received on peer1 + */ +static struct GNUNET_MESH_MessageHandler handlers[] = { + {&data_callback, 1, sizeof (struct test_traffic_message)}, + {NULL, 0, 0} +}; + + +/** + * Handler array for traffic received on peer2 (none expected) + */ +static struct GNUNET_MESH_MessageHandler handlers_null[] = { {NULL, 0, 0} }; + + +/** + * Initialize framework and start test + */ +static void +run (void *cls, + const struct GNUNET_CONFIGURATION_Handle *cfg, + struct GNUNET_TESTING_Peer *peer) +{ + static const GNUNET_MESH_ApplicationType app1[] = { 0 }; + static const GNUNET_MESH_ApplicationType app2[] = { 1, 0 }; + + abort_task = + GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply + (GNUNET_TIME_UNIT_SECONDS, 20), &do_abort, + NULL); + mesh_peer_1 = GNUNET_MESH_connect (cfg, /* configuration */ + (void *) &one, /* cls */ + NULL, /* inbound new hndlr */ + NULL, /* inbound end hndlr */ + /* traffic handlers */ + test == FWD ? handlers_null : handlers, + app1); /* apps offered */ + + mesh_peer_2 = GNUNET_MESH_connect (cfg, /* configuration */ + (void *) &two, /* cls */ + &inbound_tunnel, /* inbound new hndlr */ + &inbound_end, /* inbound end hndlr */ + handlers, /* traffic handlers */ + app2); /* apps offered */ + if (NULL == mesh_peer_1 || NULL == mesh_peer_2) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Couldn't connect to mesh\n"); + result = GNUNET_SYSERR; + return; + } + else + { + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connected to mesh\n"); + } + t_fwd = GNUNET_MESH_tunnel_create (mesh_peer_1, NULL, &peer_connected, + &peer_disconnected, (void *) &two); + GNUNET_MESH_peer_request_connect_by_type (t_fwd, 1); +} + + +/** + * Main + */ +int +main (int argc, char *argv[]) +{ + if (strstr (argv[0], "test_mesh_local_traffic_fwd") != NULL) + { + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "FWD\n"); + test = FWD; + to_send_fwd = TARGET; + } + else if (strstr (argv[0], "test_mesh_local_traffic_bck") != NULL) + { + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "BCK\n"); + test = BCK; + to_send_bck = TARGET; + } + else if (strstr (argv[0], "test_mesh_local_traffic_both") != NULL) + { + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "BOTH\n"); + test = BOTH; + to_send_bck = to_send_fwd = TARGET; + } + else + { + return 1; + } + + if (0 != GNUNET_TESTING_peer_run ("test-mesh-local-traffic", + "test_mesh.conf", + &run, NULL)) + return 1; + if (result != GNUNET_OK) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Failed.\nFWD expected: %u, Sent: %u, Got: %u\n", + to_send_fwd, sent_fwd, got_fwd); + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "BCK expected: %u, Sent: %u, Got: %u\n", + to_send_bck, sent_bck, got_bck); + return 1; + } + else + { + struct GNUNET_TIME_Relative total_time; + unsigned int total_traffic; + char *name; + + total_traffic = BOTH == test ? 2 * TARGET : TARGET; + switch (test) + { + case FWD: + name = "Local traffic Root to Leaf"; + break; + case BCK: + name = "Local traffic Leaf to Root"; + break; + case BOTH: + name = "Local traffic bidirectional"; + break; + default: + GNUNET_assert (0); + } + + total_time = GNUNET_TIME_absolute_get_difference(start_time, end_time); + FPRINTF (stderr, "\nTest time %llu ms\n", + (unsigned long long) total_time.rel_value); + FPRINTF (stderr, "Test payload bandwidth: %f kb/s\n", + total_traffic * 4.0 / total_time.rel_value); // 4bytes * kb/ms + FPRINTF (stderr, "Test throughput: %f packets/s\n\n", + total_traffic * 1000.0 / total_time.rel_value); // 1000 packets * ms + GAUGER ("MESH", + name, + total_traffic * 1000.0 / total_time.rel_value, + "packets/s"); + } + return 0; +} + +/* end of test_mesh_local_traffic.c */ |