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[oweals/gnunet.git] / src / topology / test_gnunet_service_topology.c
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 2, 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 topology/test_gnunet_service_topology.c
22  * @brief testcase for topology maintenance code
23  */
24 #include "platform.h"
25 #include "gnunet_testing_lib.h"
26
27 #define VERBOSE GNUNET_YES
28
29 #define NUM_PEERS 2
30
31 /**
32  * How long until we give up on connecting the peers?
33  */
34 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
35
36
37 static int ok;
38
39 static int peers_left;
40
41 static int connect_left;
42
43 static struct GNUNET_TESTING_PeerGroup *pg;
44
45 static struct GNUNET_TESTING_Daemon *first;
46
47 static struct GNUNET_TESTING_Daemon *last;
48
49 static struct GNUNET_SCHEDULER_Handle *sched;
50
51
52 static void
53 clean_up_task (void *cls,
54                  const struct GNUNET_SCHEDULER_TaskContext *tc)
55 {
56   GNUNET_TESTING_daemons_stop (pg);
57   ok = 0;     
58 }
59
60
61 static void 
62 notify_connect_complete(void *cls,
63                         const struct GNUNET_PeerIdentity *first,
64                         const struct GNUNET_PeerIdentity *second,
65                         const struct GNUNET_CONFIGURATION_Handle *first_cfg,
66                         const struct GNUNET_CONFIGURATION_Handle *second_cfg,
67                         struct GNUNET_TESTING_Daemon *first_daemon,
68                         struct GNUNET_TESTING_Daemon *second_daemon,
69                         const char *emsg)
70 {
71   if (NULL != emsg)
72     {
73       fprintf (stderr,
74                "Failed to connect two peers: %s\n",
75                emsg);
76       GNUNET_TESTING_daemons_stop (pg);
77       GNUNET_assert (0);
78       return;
79     }
80   connect_left--;
81   if (connect_left == 0)
82     {
83       /* FIXME: check that topology adds a few more links
84          in addition to those that were seeded */
85       /* For now, sleep so we can have the daemon do some work */
86       GNUNET_SCHEDULER_add_delayed (sched,
87                                     GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
88                                     &clean_up_task,
89                                     NULL);
90     }
91 }
92
93
94 static void my_cb(void *cls,
95                    const struct GNUNET_PeerIdentity *id,
96                    const struct GNUNET_CONFIGURATION_Handle *cfg,
97                    struct GNUNET_TESTING_Daemon *d,
98                    const char *emsg)
99 {
100   GNUNET_assert (id != NULL);
101   peers_left--;  
102   if (first == NULL)
103     {
104       connect_left = NUM_PEERS;
105       first = d;
106       last = d;
107       return;
108     }
109   GNUNET_TESTING_daemons_connect (last, d, TIMEOUT,
110                                   &notify_connect_complete,
111                                   NULL);
112   if (peers_left == 0)
113     {
114       /* close circle */
115       GNUNET_TESTING_daemons_connect (d, first, TIMEOUT,
116                                       &notify_connect_complete,
117                                       NULL);
118     }
119 }
120
121
122 static void
123 run (void *cls,
124      struct GNUNET_SCHEDULER_Handle *s,
125      char *const *args,
126      const char *cfgfile,
127      const struct GNUNET_CONFIGURATION_Handle *cfg)
128 {
129   sched = s;
130   ok = 1;
131 #if VERBOSE
132   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
133               "Starting daemons.\n");
134 #endif
135   peers_left = NUM_PEERS;
136   pg = GNUNET_TESTING_daemons_start (sched, cfg, 
137                                      peers_left,
138                                      &my_cb, NULL, NULL, NULL, NULL);
139   GNUNET_assert (pg != NULL);
140 }
141
142 static int
143 check ()
144 {
145   char *const argv[] = { "test-testing",
146     "-c",
147     "test_gnunet_service_topology_data.conf",
148 #if VERBOSE
149     "-L", "DEBUG",
150 #endif
151     NULL
152   };
153   struct GNUNET_GETOPT_CommandLineOption options[] = {
154     GNUNET_GETOPT_OPTION_END
155   };
156   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
157                       argv, "test-gnunet-service-topology", "nohelp",
158                       options, &run, &ok);
159   return ok;
160 }
161
162 int
163 main (int argc, char *argv[])
164 {
165   int ret;
166
167   GNUNET_log_setup ("test-gnunet-service-topology",
168 #if VERBOSE
169                     "DEBUG",
170 #else
171                     "WARNING",
172 #endif
173                     NULL);
174   ret = check ();
175   sleep (1); /* FIXME: needed? */
176   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-topology");
177   return ret;
178 }
179
180 /* end of test_gnunet_service_topology.c */