do not use sleep, use scheduler
[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 char *emsg)
64 {
65   if (NULL != emsg)
66     {
67       fprintf (stderr,
68                "Failed to connect two peers: %s\n",
69                emsg);
70       GNUNET_assert (0);
71       return;
72     }
73   connect_left--;
74   if (connect_left == 0)
75     {
76       /* FIXME: check that topology adds a few more links
77          in addition to those that were seeded */
78       /* For now, sleep so we can have the daemon do some work */
79       GNUNET_SCHEDULER_add_delayed (sched,
80                                     GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
81                                     &clean_up_task,
82                                     NULL);
83     }
84 }
85
86
87 static void my_cb(void *cls,
88                    const struct GNUNET_PeerIdentity *id,
89                    const struct GNUNET_CONFIGURATION_Handle *cfg,
90                    struct GNUNET_TESTING_Daemon *d,
91                    const char *emsg)
92 {
93   GNUNET_assert (id != NULL);
94   peers_left--;  
95   if (first == NULL)
96     {
97       connect_left = NUM_PEERS;
98       first = d;
99       last = d;
100       return;
101     }
102   GNUNET_TESTING_daemons_connect (last, d, TIMEOUT,
103                                   &notify_connect_complete,
104                                   NULL);
105   if (peers_left == 0)
106     {
107       /* close circle */
108       GNUNET_TESTING_daemons_connect (d, first, TIMEOUT,
109                                       &notify_connect_complete,
110                                       NULL);
111     }
112 }
113
114
115 static void
116 run (void *cls,
117      struct GNUNET_SCHEDULER_Handle *s,
118      char *const *args,
119      const char *cfgfile,
120      const struct GNUNET_CONFIGURATION_Handle *cfg)
121 {
122   sched = s;
123   ok = 1;
124 #if VERBOSE
125   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
126               "Starting daemons.\n");
127 #endif
128   peers_left = NUM_PEERS;
129   pg = GNUNET_TESTING_daemons_start (sched, cfg, 
130                                      peers_left,
131                                      &my_cb, NULL, NULL);
132   GNUNET_assert (pg != NULL);
133 }
134
135 static int
136 check ()
137 {
138   char *const argv[] = { "test-testing",
139     "-c",
140     "test_gnunet_service_topology_data.conf",
141 #if VERBOSE
142     "-L", "DEBUG",
143 #endif
144     NULL
145   };
146   struct GNUNET_GETOPT_CommandLineOption options[] = {
147     GNUNET_GETOPT_OPTION_END
148   };
149   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
150                       argv, "test-gnunet-service-topology", "nohelp",
151                       options, &run, &ok);
152   return ok;
153 }
154
155 int
156 main (int argc, char *argv[])
157 {
158   int ret;
159
160   GNUNET_log_setup ("test-gnunet-service-topology",
161 #if VERBOSE
162                     "DEBUG",
163 #else
164                     "WARNING",
165 #endif
166                     NULL);
167   ret = check ();
168   sleep (1); /* FIXME: needed? */
169   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-topology");
170   return ret;
171 }
172
173 /* end of test_gnunet_service_topology.c */