error handling
[oweals/gnunet.git] / src / statistics / test_statistics_api_watch.c
1 /*
2      This file is part of GNUnet.
3      Copyright (C) 2009, 2011, 2012 GNUnet e.V.
4
5      GNUnet is free software: you can redistribute it and/or modify it
6      under the terms of the GNU Affero General Public License as published
7      by the Free Software Foundation, either version 3 of the License,
8      or (at your 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      Affero General Public License for more details.
14
15      You should have received a copy of the GNU Affero General Public License
16      along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
18      SPDX-License-Identifier: AGPL3.0-or-later
19  */
20 /**
21  * @file statistics/test_statistics_api_watch.c
22  * @brief testcase for statistics_api.c watch functions
23  * @author Christian Grothoff
24  */
25 #include "platform.h"
26 #include "gnunet_util_lib.h"
27 #include "gnunet_statistics_service.h"
28
29
30 static int ok;
31
32 static struct GNUNET_STATISTICS_Handle *h;
33
34 static struct GNUNET_STATISTICS_Handle *h2;
35
36 static struct GNUNET_SCHEDULER_Task *shutdown_task;
37
38
39 static void
40 force_shutdown (void *cls)
41 {
42   fprintf (stderr, "Timeout, failed to receive notifications: %d\n", ok);
43   GNUNET_STATISTICS_destroy (h, GNUNET_NO);
44   GNUNET_STATISTICS_destroy (h2, GNUNET_NO);
45   ok = 7;
46 }
47
48
49 static void
50 normal_shutdown (void *cls)
51 {
52   GNUNET_STATISTICS_destroy (h, GNUNET_NO);
53   GNUNET_STATISTICS_destroy (h2, GNUNET_NO);
54 }
55
56
57 static int
58 watch_1 (void *cls,
59          const char *subsystem,
60          const char *name,
61          uint64_t value,
62          int is_persistent)
63 {
64   GNUNET_assert (value == 42);
65   GNUNET_assert (0 == strcmp (name, "test-1"));
66   ok &= ~1;
67   if (0 == ok)
68   {
69     GNUNET_SCHEDULER_cancel (shutdown_task);
70     GNUNET_SCHEDULER_add_now (&normal_shutdown, NULL);
71   }
72   return GNUNET_OK;
73 }
74
75
76 static int
77 watch_2 (void *cls,
78          const char *subsystem,
79          const char *name,
80          uint64_t value,
81          int is_persistent)
82 {
83   GNUNET_assert (value == 43);
84   GNUNET_assert (0 == strcmp (name, "test-2"));
85   ok &= ~2;
86   if (0 == ok)
87   {
88     GNUNET_SCHEDULER_cancel (shutdown_task);
89     GNUNET_SCHEDULER_add_now (&normal_shutdown, NULL);
90   }
91   return GNUNET_OK;
92 }
93
94
95 static void
96 run (void *cls,
97      char *const *args,
98      const char *cfgfile,
99      const struct GNUNET_CONFIGURATION_Handle *cfg)
100 {
101   h = GNUNET_STATISTICS_create ("dummy", cfg);
102   GNUNET_assert (GNUNET_OK ==
103                  GNUNET_STATISTICS_watch (h, "test-statistics-api-watch",
104                                           "test-1", &watch_1, NULL));
105   GNUNET_assert (GNUNET_OK ==
106                  GNUNET_STATISTICS_watch (h, "test-statistics-api-watch",
107                                           "test-2", &watch_2, NULL));
108   h2 = GNUNET_STATISTICS_create ("test-statistics-api-watch", cfg);
109   GNUNET_STATISTICS_set (h2, "test-1", 42, GNUNET_NO);
110   GNUNET_STATISTICS_set (h2, "test-2", 43, GNUNET_NO);
111   shutdown_task =
112     GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES,
113                                   &force_shutdown,
114                                   NULL);
115 }
116
117
118 int
119 main (int argc, char *argv_ign[])
120 {
121   char *const argv[] = { "test-statistics-api",
122                          "-c",
123                          "test_statistics_api_data.conf",
124                          NULL };
125   struct GNUNET_GETOPT_CommandLineOption options[] = {
126     GNUNET_GETOPT_OPTION_END
127   };
128   struct GNUNET_OS_Process *proc;
129   char *binary;
130
131   binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-statistics");
132   proc =
133     GNUNET_OS_start_process (GNUNET_YES, GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
134                              NULL, NULL, NULL,
135                              binary,
136                              "gnunet-service-statistics",
137                              "-c", "test_statistics_api_data.conf", NULL);
138   GNUNET_assert (NULL != proc);
139   ok = 3;
140   GNUNET_PROGRAM_run (3, argv, "test-statistics-api", "nohelp", options, &run,
141                       NULL);
142   if (0 != GNUNET_OS_process_kill (proc, GNUNET_TERM_SIG))
143   {
144     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
145     ok = 1;
146   }
147   GNUNET_OS_process_wait (proc);
148   GNUNET_OS_process_destroy (proc);
149   proc = NULL;
150   GNUNET_free (binary);
151   return ok;
152 }
153
154
155 /* end of test_statistics_api_watch.c */