Add a unit test for the network plugin.
[collectd.git] / src / daemon / plugin_mock.c
1 /**
2  * collectd - src/tests/mock/plugin.c
3  * Copyright (C) 2013       Florian octo Forster
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  *
23  * Authors:
24  *   Florian octo Forster <octo at collectd.org>
25  */
26
27 #include "plugin.h"
28
29 #if HAVE_KSTAT_H
30 #include <kstat.h>
31 #endif
32
33 #if HAVE_LIBKSTAT
34 kstat_ctl_t *kc = NULL;
35 #endif /* HAVE_LIBKSTAT */
36
37 char *hostname_g = "example.com";
38
39 void plugin_set_dir(const char *dir) { /* nop */
40 }
41
42 int plugin_load(const char *name, bool global) { return ENOTSUP; }
43
44 int plugin_register_config(const char *name,
45                            int (*callback)(const char *key, const char *val),
46                            const char **keys, int keys_num) {
47   return ENOTSUP;
48 }
49
50 int plugin_register_complex_config(const char *type,
51                                    int (*callback)(oconfig_item_t *)) {
52   return ENOTSUP;
53 }
54
55 int plugin_register_init(const char *name, plugin_init_cb callback) {
56   return ENOTSUP;
57 }
58
59 int plugin_register_read(__attribute__((unused)) const char *name,
60                          __attribute__((unused)) int (*callback)(void)) {
61   return ENOTSUP;
62 }
63
64 int plugin_register_write(__attribute__((unused)) const char *name,
65                           __attribute__((unused)) plugin_write_cb callback,
66                           __attribute__((unused)) user_data_t const *ud) {
67   return ENOTSUP;
68 }
69
70 int plugin_register_flush(__attribute__((unused)) const char *name,
71                           __attribute__((unused)) plugin_flush_cb callback,
72                           __attribute__((unused))
73                           user_data_t const *user_data) {
74   return ENOTSUP;
75 }
76
77 int plugin_register_missing(const char *name, plugin_missing_cb callback,
78                             user_data_t const *ud) {
79   return ENOTSUP;
80 }
81
82 int plugin_register_complex_read(const char *group, const char *name,
83                                  int (*callback)(user_data_t *),
84                                  cdtime_t interval,
85                                  user_data_t const *user_data) {
86   return ENOTSUP;
87 }
88
89 int plugin_register_shutdown(const char *name, int (*callback)(void)) {
90   return ENOTSUP;
91 }
92
93 int plugin_register_data_set(const data_set_t *ds) { return ENOTSUP; }
94
95 int plugin_register_notification(__attribute__((unused)) const char *name,
96                                  __attribute__((unused))
97                                  plugin_notification_cb callback,
98                                  __attribute__((unused))
99                                  user_data_t const *user_data) {
100   return ENOTSUP;
101 }
102
103 #define DECLARE_UNREGISTER(t)                                                  \
104   int plugin_unregister_##t(__attribute__((unused)) char const *name) {        \
105     return ENOTSUP;                                                            \
106   }
107 DECLARE_UNREGISTER(config)
108 DECLARE_UNREGISTER(complex_config)
109 DECLARE_UNREGISTER(init)
110 DECLARE_UNREGISTER(read)
111 DECLARE_UNREGISTER(read_group)
112 DECLARE_UNREGISTER(write)
113 DECLARE_UNREGISTER(flush)
114 DECLARE_UNREGISTER(missing)
115 DECLARE_UNREGISTER(shutdown)
116 DECLARE_UNREGISTER(data_set)
117 DECLARE_UNREGISTER(log)
118 DECLARE_UNREGISTER(notification)
119
120 int plugin_dispatch_values(value_list_t const *vl) { return ENOTSUP; }
121
122 int plugin_dispatch_notification(__attribute__((unused))
123                                  const notification_t *notif) {
124   return ENOTSUP;
125 }
126
127 int plugin_notification_meta_add_string(__attribute__((unused))
128                                         notification_t *n,
129                                         __attribute__((unused))
130                                         const char *name,
131                                         __attribute__((unused))
132                                         const char *value) {
133   return ENOTSUP;
134 }
135
136 int plugin_notification_meta_add_signed_int(__attribute__((unused))
137                                             notification_t *n,
138                                             __attribute__((unused))
139                                             const char *name,
140                                             __attribute__((unused))
141                                             int64_t value) {
142   return ENOTSUP;
143 }
144
145 int plugin_notification_meta_add_unsigned_int(__attribute__((unused))
146                                               notification_t *n,
147                                               __attribute__((unused))
148                                               const char *name,
149                                               __attribute__((unused))
150                                               uint64_t value) {
151   return ENOTSUP;
152 }
153
154 int plugin_notification_meta_add_double(__attribute__((unused))
155                                         notification_t *n,
156                                         __attribute__((unused))
157                                         const char *name,
158                                         __attribute__((unused)) double value) {
159   return ENOTSUP;
160 }
161
162 int plugin_notification_meta_add_boolean(__attribute__((unused))
163                                          notification_t *n,
164                                          __attribute__((unused))
165                                          const char *name,
166                                          __attribute__((unused)) _Bool value) {
167   return ENOTSUP;
168 }
169
170 int plugin_notification_meta_copy(__attribute__((unused)) notification_t *dst,
171                                   __attribute__((unused))
172                                   const notification_t *src) {
173   return ENOTSUP;
174 }
175
176 int plugin_notification_meta_free(__attribute__((unused))
177                                   notification_meta_t *n) {
178   return ENOTSUP;
179 }
180
181 int plugin_flush(const char *plugin, cdtime_t timeout, const char *identifier) {
182   return ENOTSUP;
183 }
184
185 static data_source_t magic_ds[] = {{"value", DS_TYPE_DERIVE, 0.0, NAN}};
186 static data_set_t magic = {"MAGIC", 1, magic_ds};
187 const data_set_t *plugin_get_ds(const char *name) {
188   if (strcmp(name, "MAGIC"))
189     return NULL;
190
191   return &magic;
192 }
193
194 void plugin_log(int level, char const *format, ...) {
195   char buffer[1024];
196   va_list ap;
197
198   va_start(ap, format);
199   vsnprintf(buffer, sizeof(buffer), format, ap);
200   va_end(ap);
201
202   printf("plugin_log (%i, \"%s\");\n", level, buffer);
203 }
204
205 void daemon_log(int level, char const *format, ...) {
206   char buffer[1024];
207   va_list ap;
208
209   va_start(ap, format);
210   vsnprintf(buffer, sizeof(buffer), format, ap);
211   va_end(ap);
212
213   printf("daemon_log (%i, \"%s\");\n", level, buffer);
214 }
215
216 void plugin_init_ctx(void) { /* nop */
217 }
218
219 plugin_ctx_t mock_context = {
220     .interval = TIME_T_TO_CDTIME_T_STATIC(10),
221 };
222
223 plugin_ctx_t plugin_get_ctx(void) { return mock_context; }
224
225 plugin_ctx_t plugin_set_ctx(plugin_ctx_t ctx) {
226   plugin_ctx_t prev = mock_context;
227   mock_context = ctx;
228   return prev;
229 }
230
231 cdtime_t plugin_get_interval(void) { return mock_context.interval; }
232
233 int plugin_thread_create(__attribute__((unused)) pthread_t *thread,
234                          __attribute__((unused)) const pthread_attr_t *attr,
235                          __attribute__((unused)) void *(*start_routine)(void *),
236                          __attribute__((unused)) void *arg,
237                          __attribute__((unused)) char const *name) {
238   return ENOTSUP;
239 }
240
241 /* TODO(octo): this function is actually from filter_chain.h, but in order not
242  * to tumble down that rabbit hole, we're declaring it here. A better solution
243  * would be to hard-code the top-level config keys in daemon/collectd.c to avoid
244  * having these references in daemon/configfile.c. */
245 int fc_configure(const oconfig_item_t *ci) { return ENOTSUP; }