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author | Nathan S. Evans <evans@in.tum.de> | 2011-07-16 11:11:40 +0000 |
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committer | Nathan S. Evans <evans@in.tum.de> | 2011-07-16 11:11:40 +0000 |
commit | 41479de2a35d2c73cf1f6357af37e8324122e90e (patch) | |
tree | 1bb9e1838cf3b7031a0c15696225a4c54af4f0c0 /src/nse/test_nse_multipeer.c | |
parent | d365e39801ca22440b48ca2fb39c41604d0efc66 (diff) | |
download | gnunet-41479de2a35d2c73cf1f6357af37e8324122e90e.tar.gz gnunet-41479de2a35d2c73cf1f6357af37e8324122e90e.zip |
nse updates
Diffstat (limited to 'src/nse/test_nse_multipeer.c')
-rw-r--r-- | src/nse/test_nse_multipeer.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/src/nse/test_nse_multipeer.c b/src/nse/test_nse_multipeer.c new file mode 100644 index 000000000..600e0c2f2 --- /dev/null +++ b/src/nse/test_nse_multipeer.c | |||
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1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2009 Christian Grothoff (and other contributing authors) | ||
4 | |||
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. | ||
9 | |||
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. | ||
14 | |||
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. | ||
19 | */ | ||
20 | /** | ||
21 | * @file nse/test_nse_multipeer.c | ||
22 | * | ||
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. | ||
27 | */ | ||
28 | #include "platform.h" | ||
29 | #include "gnunet_testing_lib.h" | ||
30 | #include "gnunet_nse_service.h" | ||
31 | |||
32 | #define VERBOSE GNUNET_NO | ||
33 | |||
34 | #define NUM_PEERS 4 | ||
35 | |||
36 | struct NSEPeer | ||
37 | { | ||
38 | struct NSEPeer *prev; | ||
39 | |||
40 | struct NSEPeer *next; | ||
41 | |||
42 | struct GNUNET_TESTING_Daemon *daemon; | ||
43 | |||
44 | struct GNUNET_NSE_Handle *nse_handle; | ||
45 | }; | ||
46 | |||
47 | struct NSEPeer *peer_head; | ||
48 | |||
49 | struct NSEPeer *peer_tail; | ||
50 | |||
51 | /** | ||
52 | * How long until we give up on connecting the peers? | ||
53 | */ | ||
54 | #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1500) | ||
55 | |||
56 | static int ok; | ||
57 | |||
58 | static int peers_left; | ||
59 | |||
60 | static unsigned int num_peers; | ||
61 | |||
62 | static struct GNUNET_TESTING_PeerGroup *pg; | ||
63 | |||
64 | /** | ||
65 | * Check whether peers successfully shut down. | ||
66 | */ | ||
67 | void | ||
68 | shutdown_callback (void *cls, const char *emsg) | ||
69 | { | ||
70 | if (emsg != NULL) | ||
71 | { | ||
72 | #if VERBOSE | ||
73 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown of peers failed!\n"); | ||
74 | #endif | ||
75 | if (ok == 0) | ||
76 | ok = 666; | ||
77 | } | ||
78 | else | ||
79 | { | ||
80 | #if VERBOSE | ||
81 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
82 | "All peers successfully shut down!\n"); | ||
83 | #endif | ||
84 | ok = 0; | ||
85 | } | ||
86 | } | ||
87 | |||
88 | static void | ||
89 | shutdown_task (void *cls, | ||
90 | const struct GNUNET_SCHEDULER_TaskContext *tc) | ||
91 | { | ||
92 | struct NSEPeer *pos; | ||
93 | #if VERBOSE | ||
94 | fprintf(stderr, "Ending test.\n"); | ||
95 | #endif | ||
96 | |||
97 | while (NULL != (pos = peer_head)) | ||
98 | { | ||
99 | GNUNET_NSE_disconnect(pos->nse_handle); | ||
100 | GNUNET_CONTAINER_DLL_remove(peer_head, peer_tail, pos); | ||
101 | GNUNET_free(pos); | ||
102 | } | ||
103 | |||
104 | GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL); | ||
105 | } | ||
106 | |||
107 | /** | ||
108 | * Callback to call when network size estimate is updated. | ||
109 | * | ||
110 | * @param cls closure | ||
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 | ||
114 | * | ||
115 | */ | ||
116 | static void | ||
117 | handle_estimate (void *cls, double estimate, double std_dev) | ||
118 | { | ||
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); | ||
121 | } | ||
122 | |||
123 | static void | ||
124 | connect_nse_service (void *cls, | ||
125 | const struct GNUNET_SCHEDULER_TaskContext *tc) | ||
126 | { | ||
127 | struct NSEPeer *current_peer; | ||
128 | unsigned int i; | ||
129 | #if VERBOSE | ||
130 | fprintf(stderr, "TEST_NSE_MULTIPEER: connecting to nse service of peers\n"); | ||
131 | #endif | ||
132 | for (i = 0; i < num_peers; i++) | ||
133 | { | ||
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); | ||
138 | |||
139 | GNUNET_CONTAINER_DLL_insert (peer_head, peer_tail, current_peer); | ||
140 | } | ||
141 | } | ||
142 | |||
143 | static void | ||
144 | my_cb (void *cls, | ||
145 | const char *emsg) | ||
146 | { | ||
147 | if (emsg != NULL) | ||
148 | { | ||
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"); | ||
152 | ok = 1; | ||
153 | GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL); | ||
154 | return; | ||
155 | } | ||
156 | #if VERBOSE | ||
157 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
158 | "Peer Group started successfully, connecting to NSE service for each peer!\n"); | ||
159 | #endif | ||
160 | |||
161 | GNUNET_SCHEDULER_add_now(&connect_nse_service, NULL); | ||
162 | } | ||
163 | |||
164 | |||
165 | static void | ||
166 | run (void *cls, | ||
167 | char *const *args, | ||
168 | const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg) | ||
169 | { | ||
170 | struct GNUNET_CONFIGURATION_Handle *testing_cfg; | ||
171 | unsigned long long total_peers; | ||
172 | ok = 1; | ||
173 | testing_cfg = GNUNET_CONFIGURATION_create(); | ||
174 | GNUNET_assert(GNUNET_OK == GNUNET_CONFIGURATION_load(testing_cfg, cfgfile)); | ||
175 | #if VERBOSE | ||
176 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting daemons.\n"); | ||
177 | GNUNET_CONFIGURATION_set_value_string (testing_cfg, "testing", | ||
178 | "use_progressbars", | ||
179 | "YES"); | ||
180 | #endif | ||
181 | if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (testing_cfg, "testing", "num_peers", &total_peers)) | ||
182 | total_peers = NUM_PEERS; | ||
183 | |||
184 | peers_left = total_peers; | ||
185 | num_peers = peers_left; | ||
186 | pg = GNUNET_TESTING_peergroup_start(testing_cfg, | ||
187 | peers_left, | ||
188 | TIMEOUT, | ||
189 | NULL, | ||
190 | &my_cb, NULL, | ||
191 | NULL); | ||
192 | GNUNET_assert (pg != NULL); | ||
193 | GNUNET_SCHEDULER_add_delayed (TIMEOUT, &shutdown_task, NULL); | ||
194 | } | ||
195 | |||
196 | static int | ||
197 | check () | ||
198 | { | ||
199 | char *const argv[] = { "test-nse-multipeer", | ||
200 | "-c", | ||
201 | "test_nse.conf", | ||
202 | #if VERBOSE | ||
203 | "-L", "DEBUG", | ||
204 | #endif | ||
205 | NULL | ||
206 | }; | ||
207 | struct GNUNET_GETOPT_CommandLineOption options[] = { | ||
208 | GNUNET_GETOPT_OPTION_END | ||
209 | }; | ||
210 | GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, | ||
211 | argv, "test-nse-multipeer", "nohelp", | ||
212 | options, &run, &ok); | ||
213 | return ok; | ||
214 | } | ||
215 | |||
216 | int | ||
217 | main (int argc, char *argv[]) | ||
218 | { | ||
219 | int ret; | ||
220 | |||
221 | GNUNET_log_setup ("test-nse-multipeer", | ||
222 | #if VERBOSE | ||
223 | "DEBUG", | ||
224 | #else | ||
225 | "WARNING", | ||
226 | #endif | ||
227 | NULL); | ||
228 | ret = check (); | ||
229 | GNUNET_DISK_directory_remove ("/tmp/test-nse-multipeer"); | ||
230 | return ret; | ||
231 | } | ||
232 | |||
233 | /* end of test_nse_multipeer.c */ | ||