2 This file is part of GNUnet.
3 (C) 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file nse/test_nse_multipeer.c
23 * @brief Testcase for the network size estimation service. Starts
24 * a peergroup with a given number of peers, then waits to
25 * receive size estimates from each peer. Expects to wait
26 * for one message from each peer.
29 #include "gnunet_testing_lib.h"
30 #include "gnunet_nse_service.h"
32 #define VERBOSE GNUNET_NO
42 struct GNUNET_TESTING_Daemon *daemon;
44 struct GNUNET_NSE_Handle *nse_handle;
47 struct NSEPeer *peer_head;
49 struct NSEPeer *peer_tail;
52 * How long until we give up on connecting the peers?
54 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1500)
58 static int peers_left;
60 static unsigned int num_peers;
62 static struct GNUNET_TESTING_PeerGroup *pg;
65 * Check whether peers successfully shut down.
68 shutdown_callback (void *cls, const char *emsg)
73 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown of peers failed!\n");
81 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
82 "All peers successfully shut down!\n");
89 shutdown_task (void *cls,
90 const struct GNUNET_SCHEDULER_TaskContext *tc)
94 fprintf(stderr, "Ending test.\n");
97 while (NULL != (pos = peer_head))
99 GNUNET_NSE_disconnect(pos->nse_handle);
100 GNUNET_CONTAINER_DLL_remove(peer_head, peer_tail, pos);
104 GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
108 * Callback to call when network size estimate is updated.
111 * @param estimate the value of the current network size estimate
112 * @param std_dev standard deviation (rounded down to nearest integer)
113 * of the size estimation values seen
117 handle_estimate (void *cls, double estimate, double std_dev)
119 struct NSEPeer *peer = cls;
120 fprintf(stderr, "Received network size estimate from peer %s. Size: %f std.dev. %f\n", GNUNET_i2s(&peer->daemon->id), estimate, std_dev);
124 connect_nse_service (void *cls,
125 const struct GNUNET_SCHEDULER_TaskContext *tc)
127 struct NSEPeer *current_peer;
130 fprintf(stderr, "TEST_NSE_MULTIPEER: connecting to nse service of peers\n");
132 for (i = 0; i < num_peers; i++)
134 current_peer = GNUNET_malloc(sizeof(struct NSEPeer));
135 current_peer->daemon = GNUNET_TESTING_daemon_get(pg, i);
136 current_peer->nse_handle = GNUNET_NSE_connect (current_peer->daemon->cfg, &handle_estimate, current_peer);
137 GNUNET_assert(current_peer->nse_handle != NULL);
139 GNUNET_CONTAINER_DLL_insert (peer_head, peer_tail, current_peer);
149 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
150 "Peergroup callback called with error, aborting test!\n");
151 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Error from testing: `%s'\n");
153 GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
157 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
158 "Peer Group started successfully, connecting to NSE service for each peer!\n");
161 GNUNET_SCHEDULER_add_now(&connect_nse_service, NULL);
168 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
170 struct GNUNET_CONFIGURATION_Handle *testing_cfg;
171 unsigned long long total_peers;
173 testing_cfg = GNUNET_CONFIGURATION_create();
174 GNUNET_assert(GNUNET_OK == GNUNET_CONFIGURATION_load(testing_cfg, cfgfile));
176 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting daemons.\n");
177 GNUNET_CONFIGURATION_set_value_string (testing_cfg, "testing",
181 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (testing_cfg, "testing", "num_peers", &total_peers))
182 total_peers = NUM_PEERS;
184 peers_left = total_peers;
185 num_peers = peers_left;
186 pg = GNUNET_TESTING_peergroup_start(testing_cfg,
192 GNUNET_assert (pg != NULL);
193 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &shutdown_task, NULL);
199 char *const argv[] = { "test-nse-multipeer",
207 struct GNUNET_GETOPT_CommandLineOption options[] = {
208 GNUNET_GETOPT_OPTION_END
210 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
211 argv, "test-nse-multipeer", "nohelp",
217 main (int argc, char *argv[])
221 GNUNET_log_setup ("test-nse-multipeer",
229 GNUNET_DISK_directory_remove ("/tmp/test-nse-multipeer");
233 /* end of test_nse_multipeer.c */