Merge pull request #3339 from jkohen/patch-1
[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 bool plugin_is_loaded(const char *name) { return false; }
45
46 int plugin_register_config(const char *name,
47                            int (*callback)(const char *key, const char *val),
48                            const char **keys, int keys_num) {
49   return ENOTSUP;
50 }
51
52 int plugin_register_complex_config(const char *type,
53                                    int (*callback)(oconfig_item_t *)) {
54   return ENOTSUP;
55 }
56
57 int plugin_register_init(const char *name, plugin_init_cb callback) {
58   return ENOTSUP;
59 }
60
61 int plugin_register_read(__attribute__((unused)) const char *name,
62                          __attribute__((unused)) int (*callback)(void)) {
63   return ENOTSUP;
64 }
65
66 int plugin_register_write(__attribute__((unused)) const char *name,
67                           __attribute__((unused)) plugin_write_cb callback,
68                           __attribute__((unused)) user_data_t const *ud) {
69   return ENOTSUP;
70 }
71
72 int plugin_register_flush(__attribute__((unused)) const char *name,
73                           __attribute__((unused)) plugin_flush_cb callback,
74                           __attribute__((unused))
75                           user_data_t const *user_data) {
76   return ENOTSUP;
77 }
78
79 int plugin_register_missing(const char *name, plugin_missing_cb callback,
80                             user_data_t const *ud) {
81   return ENOTSUP;
82 }
83
84 int plugin_register_complex_read(const char *group, const char *name,
85                                  int (*callback)(user_data_t *),
86                                  cdtime_t interval,
87                                  user_data_t const *user_data) {
88   return ENOTSUP;
89 }
90
91 int plugin_register_shutdown(const char *name, int (*callback)(void)) {
92   return ENOTSUP;
93 }
94
95 int plugin_register_data_set(const data_set_t *ds) { return ENOTSUP; }
96
97 int plugin_register_notification(__attribute__((unused)) const char *name,
98                                  __attribute__((unused))
99                                  plugin_notification_cb callback,
100                                  __attribute__((unused))
101                                  user_data_t const *user_data) {
102   return ENOTSUP;
103 }
104
105 #define DECLARE_UNREGISTER(t)                                                  \
106   int plugin_unregister_##t(__attribute__((unused)) char const *name) {        \
107     return ENOTSUP;                                                            \
108   }
109 DECLARE_UNREGISTER(config)
110 DECLARE_UNREGISTER(complex_config)
111 DECLARE_UNREGISTER(init)
112 DECLARE_UNREGISTER(read)
113 DECLARE_UNREGISTER(read_group)
114 DECLARE_UNREGISTER(write)
115 DECLARE_UNREGISTER(flush)
116 DECLARE_UNREGISTER(missing)
117 DECLARE_UNREGISTER(shutdown)
118 DECLARE_UNREGISTER(data_set)
119 DECLARE_UNREGISTER(log)
120 DECLARE_UNREGISTER(notification)
121
122 int plugin_dispatch_values(value_list_t const *vl) { return ENOTSUP; }
123
124 int plugin_dispatch_notification(__attribute__((unused))
125                                  const notification_t *notif) {
126   return ENOTSUP;
127 }
128
129 int plugin_notification_meta_add_string(__attribute__((unused))
130                                         notification_t *n,
131                                         __attribute__((unused))
132                                         const char *name,
133                                         __attribute__((unused))
134                                         const char *value) {
135   return ENOTSUP;
136 }
137
138 int plugin_notification_meta_add_signed_int(__attribute__((unused))
139                                             notification_t *n,
140                                             __attribute__((unused))
141                                             const char *name,
142                                             __attribute__((unused))
143                                             int64_t value) {
144   return ENOTSUP;
145 }
146
147 int plugin_notification_meta_add_unsigned_int(__attribute__((unused))
148                                               notification_t *n,
149                                               __attribute__((unused))
150                                               const char *name,
151                                               __attribute__((unused))
152                                               uint64_t value) {
153   return ENOTSUP;
154 }
155
156 int plugin_notification_meta_add_double(__attribute__((unused))
157                                         notification_t *n,
158                                         __attribute__((unused))
159                                         const char *name,
160                                         __attribute__((unused)) double value) {
161   return ENOTSUP;
162 }
163
164 int plugin_notification_meta_add_boolean(__attribute__((unused))
165                                          notification_t *n,
166                                          __attribute__((unused))
167                                          const char *name,
168                                          __attribute__((unused)) _Bool value) {
169   return ENOTSUP;
170 }
171
172 int plugin_notification_meta_copy(__attribute__((unused)) notification_t *dst,
173                                   __attribute__((unused))
174                                   const notification_t *src) {
175   return ENOTSUP;
176 }
177
178 int plugin_notification_meta_free(__attribute__((unused))
179                                   notification_meta_t *n) {
180   return ENOTSUP;
181 }
182
183 int plugin_flush(const char *plugin, cdtime_t timeout, const char *identifier) {
184   return ENOTSUP;
185 }
186
187 static data_source_t magic_ds[] = {{"value", DS_TYPE_DERIVE, 0.0, NAN}};
188 static data_set_t magic = {"MAGIC", 1, magic_ds};
189 const data_set_t *plugin_get_ds(const char *name) {
190   if (strcmp(name, "MAGIC"))
191     return NULL;
192
193   return &magic;
194 }
195
196 void plugin_log(int level, char const *format, ...) {
197   char buffer[1024];
198   va_list ap;
199
200   va_start(ap, format);
201   vsnprintf(buffer, sizeof(buffer), format, ap);
202   va_end(ap);
203
204   printf("plugin_log (%i, \"%s\");\n", level, buffer);
205 }
206
207 void daemon_log(int level, char const *format, ...) {
208   char buffer[1024];
209   va_list ap;
210
211   va_start(ap, format);
212   vsnprintf(buffer, sizeof(buffer), format, ap);
213   va_end(ap);
214
215   printf("daemon_log (%i, \"%s\");\n", level, buffer);
216 }
217
218 void plugin_init_ctx(void) { /* nop */
219 }
220
221 plugin_ctx_t mock_context = {
222     .interval = TIME_T_TO_CDTIME_T_STATIC(10),
223 };
224
225 plugin_ctx_t plugin_get_ctx(void) { return mock_context; }
226
227 plugin_ctx_t plugin_set_ctx(plugin_ctx_t ctx) {
228   plugin_ctx_t prev = mock_context;
229   mock_context = ctx;
230   return prev;
231 }
232
233 cdtime_t plugin_get_interval(void) { return mock_context.interval; }
234
235 int plugin_thread_create(__attribute__((unused)) pthread_t *thread,
236                          __attribute__((unused)) const pthread_attr_t *attr,
237                          __attribute__((unused)) void *(*start_routine)(void *),
238                          __attribute__((unused)) void *arg,
239                          __attribute__((unused)) char const *name) {
240   return ENOTSUP;
241 }
242
243 /* TODO(octo): this function is actually from filter_chain.h, but in order not
244  * to tumble down that rabbit hole, we're declaring it here. A better solution
245  * would be to hard-code the top-level config keys in daemon/collectd.c to avoid
246  * having these references in daemon/configfile.c. */
247 int fc_configure(const oconfig_item_t *ci) { return ENOTSUP; }