7 #include "graph_instance.h"
10 #include "graph_ident.h"
11 #include "graph_list.h"
13 #include "utils_cgi.h"
16 #include <fcgi_stdio.h>
18 struct graph_instance_s /* {{{ */
20 graph_ident_t *select;
22 graph_ident_t **files;
24 }; /* }}} struct graph_instance_s */
26 struct def_callback_data_s
28 graph_instance_t *inst;
31 typedef struct def_callback_data_s def_callback_data_t;
36 /* Create one DEF for each data source in the file. Called by
37 * "inst_get_default_defs" for each file. */
38 static graph_def_t *ident_get_default_defs (graph_config_t *cfg, /* {{{ */
39 graph_ident_t *ident, graph_def_t *def_head)
41 graph_def_t *defs = NULL;
48 if ((cfg == NULL) || (ident == NULL))
51 file = ident_to_file (ident);
54 fprintf (stderr, "ident_get_default_defs: ident_to_file failed\n");
58 status = ds_list_from_rrd_file (file, &dses_num, &dses);
65 for (i = 0; i < dses_num; i++)
69 def = def_search (def_head, ident, dses[i]);
73 def = def_create (cfg, ident, dses[i]);
80 def_append (defs, def);
89 } /* }}} int ident_get_default_defs */
91 /* Create one or more DEFs for each file in the graph instance. The number
92 * depends on the number of data sources in each of the files. Called from
93 * "inst_get_rrdargs" if no DEFs are available from the configuration.
95 static graph_def_t *inst_get_default_defs (graph_config_t *cfg, /* {{{ */
96 graph_instance_t *inst)
98 graph_def_t *defs = NULL;
101 if ((cfg == NULL) || (inst == NULL))
104 for (i = 0; i < inst->files_num; i++)
108 def = ident_get_default_defs (cfg, inst->files[i], defs);
115 def_append (defs, def);
119 } /* }}} graph_def_t *inst_get_default_defs */
121 /* Called with each DEF in turn. Calls "def_get_rrdargs" with every appropriate
122 * file / DEF pair. */
123 static int gl_instance_get_rrdargs_cb (graph_def_t *def, void *user_data) /* {{{ */
125 def_callback_data_t *data = user_data;
126 graph_instance_t *inst = data->inst;
127 str_array_t *args = data->args;
131 for (i = 0; i < inst->files_num; i++)
133 if (!def_matches (def, inst->files[i]))
136 def_get_rrdargs (def, inst->files[i], args);
140 } /* }}} int gl_instance_get_rrdargs_cb */
142 static const char *get_part_from_param (const char *prim_key, /* {{{ */
147 val = param (prim_key);
151 return (param (sec_key));
152 } /* }}} const char *get_part_from_param */
157 graph_instance_t *inst_create (graph_config_t *cfg, /* {{{ */
158 const graph_ident_t *ident)
161 graph_ident_t *selector;
163 if ((cfg == NULL) || (ident == NULL))
166 i = malloc (sizeof (*i));
169 memset (i, 0, sizeof (*i));
171 selector = graph_get_selector (cfg);
172 if (selector == NULL)
174 fprintf (stderr, "inst_create: graph_get_selector failed\n");
179 i->select = ident_copy_with_selector (selector, ident,
180 IDENT_FLAG_REPLACE_ANY);
181 if (i->select == NULL)
183 fprintf (stderr, "inst_create: ident_copy_with_selector failed\n");
184 ident_destroy (selector);
189 ident_destroy (selector);
195 } /* }}} graph_instance_t *inst_create */
197 void inst_destroy (graph_instance_t *inst) /* {{{ */
204 ident_destroy (inst->select);
206 for (i = 0; i < inst->files_num; i++)
207 ident_destroy (inst->files[i]);
211 } /* }}} void inst_destroy */
213 int inst_add_file (graph_instance_t *inst, /* {{{ */
214 const graph_ident_t *file)
218 tmp = realloc (inst->files, sizeof (*inst->files) * (inst->files_num + 1));
223 inst->files[inst->files_num] = ident_clone (file);
224 if (inst->files[inst->files_num] == NULL)
230 } /* }}} int inst_add_file */
232 graph_instance_t *inst_get_selected (graph_config_t *cfg) /* {{{ */
234 const char *host = get_part_from_param ("inst_host", "host");
235 const char *plugin = get_part_from_param ("inst_plugin", "plugin");
236 const char *plugin_instance = get_part_from_param ("inst_plugin_instance",
238 const char *type = get_part_from_param ("inst_type", "type");
239 const char *type_instance = get_part_from_param ("inst_type_instance",
242 graph_ident_t *ident;
243 graph_instance_t *inst;
246 cfg = gl_graph_get_selected ();
250 DEBUG ("inst_get_selected: cfg == NULL;\n");
255 || (plugin == NULL) || (plugin_instance == NULL)
256 || (type == NULL) || (type_instance == NULL))
258 DEBUG ("inst_get_selected: A parameter is NULL.\n");
262 ident = ident_create (host, plugin, plugin_instance, type, type_instance);
265 fprintf (stderr, "inst_get_selected: ident_create failed\n");
269 inst = graph_inst_find_exact (cfg, ident);
270 ident_destroy (ident);
273 } /* }}} graph_instance_t *inst_get_selected */
275 int inst_get_rrdargs (graph_config_t *cfg, /* {{{ */
276 graph_instance_t *inst,
279 def_callback_data_t data = { inst, args };
283 if ((cfg == NULL) || (inst == NULL) || (args == NULL))
286 status = graph_get_rrdargs (cfg, inst, args);
290 defs = graph_get_defs (cfg);
293 defs = inst_get_default_defs (cfg, inst);
298 status = def_foreach (defs, gl_instance_get_rrdargs_cb, &data);
304 status = def_foreach (defs, gl_instance_get_rrdargs_cb, &data);
308 } /* }}} int inst_get_rrdargs */
310 graph_ident_t *inst_get_selector (graph_instance_t *inst) /* {{{ */
315 return (ident_clone (inst->select));
316 } /* }}} graph_ident_t *inst_get_selector */
318 int inst_get_params (graph_config_t *cfg, graph_instance_t *inst, /* {{{ */
319 char *buffer, size_t buffer_size)
321 graph_ident_t *cfg_select;
323 if ((cfg == NULL) || (inst == NULL)
324 || (buffer == NULL) || (buffer_size < 1))
327 cfg_select = graph_get_selector (cfg);
328 if (cfg_select == NULL)
330 fprintf (stderr, "inst_get_params: graph_get_selector failed");
336 #define COPY_FIELD(field) do { \
337 const char *cfg_f = ident_get_##field (cfg_select); \
338 const char *inst_f = ident_get_##field (inst->select); \
339 if (strcmp (cfg_f, inst_f) == 0) \
341 strlcat (buffer, #field, buffer_size); \
342 strlcat (buffer, "=", buffer_size); \
343 strlcat (buffer, cfg_f, buffer_size); \
347 strlcat (buffer, "graph_", buffer_size); \
348 strlcat (buffer, #field, buffer_size); \
349 strlcat (buffer, "=", buffer_size); \
350 strlcat (buffer, cfg_f, buffer_size); \
351 strlcat (buffer, ";", buffer_size); \
352 strlcat (buffer, "inst_", buffer_size); \
353 strlcat (buffer, #field, buffer_size); \
354 strlcat (buffer, "=", buffer_size); \
355 strlcat (buffer, inst_f, buffer_size); \
360 strlcat (buffer, ";", buffer_size);
362 strlcat (buffer, ";", buffer_size);
363 COPY_FIELD(plugin_instance);
364 strlcat (buffer, ";", buffer_size);
366 strlcat (buffer, ";", buffer_size);
367 COPY_FIELD(type_instance);
371 ident_destroy (cfg_select);
374 } /* }}} int inst_get_params */
376 int inst_compare_ident (graph_instance_t *inst, /* {{{ */
377 const graph_ident_t *ident)
379 if ((inst == NULL) || (ident == NULL))
382 return (ident_compare (inst->select, ident));
383 } /* }}} int inst_compare_ident */
385 _Bool inst_matches_ident (graph_instance_t *inst, /* {{{ */
386 const graph_ident_t *ident)
388 if ((inst == NULL) || (ident == NULL))
391 return (ident_matches (inst->select, ident));
392 } /* }}} _Bool inst_matches_ident */
394 _Bool inst_matches_string (graph_config_t *cfg, /* {{{ */
395 graph_instance_t *inst,
401 if ((cfg == NULL) || (inst == NULL) || (term == NULL))
404 status = inst_describe (cfg, inst, buffer, sizeof (buffer));
407 fprintf (stderr, "inst_matches_string: inst_describe failed\n");
414 if (strstr (buffer, term) == NULL)
418 } /* }}} _Bool inst_matches_string */
420 _Bool inst_matches_field (graph_instance_t *inst, /* {{{ */
421 graph_ident_field_t field, const char *field_value)
423 const char *selector_field;
426 if ((inst == NULL) || (field_value == NULL))
429 selector_field = ident_get_field (inst->select, field);
430 if (selector_field == NULL)
433 assert (!IS_ANY (selector_field));
434 if (!IS_ALL (selector_field))
436 if (strcasecmp (selector_field, field_value) == 0)
442 /* The selector field is an ALL selector
443 * => we need to check the files to see if the instance matches. */
444 for (i = 0; i < inst->files_num; i++)
446 selector_field = ident_get_field (inst->files[i], field);
447 if (selector_field == NULL)
450 assert (!IS_ANY (selector_field));
451 assert (!IS_ALL (selector_field));
453 if (strcasecmp (selector_field, field_value) == 0)
458 } /* }}} _Bool inst_matches_field */
460 int inst_describe (graph_config_t *cfg, graph_instance_t *inst, /* {{{ */
461 char *buffer, size_t buffer_size)
463 graph_ident_t *cfg_select;
465 if ((cfg == NULL) || (inst == NULL)
466 || (buffer == NULL) || (buffer_size < 2))
469 cfg_select = graph_get_selector (cfg);
470 if (cfg_select == NULL)
472 fprintf (stderr, "inst_describe: graph_get_selector failed\n");
478 #define CHECK_FIELD(field) do { \
479 if (IS_ANY (ident_get_##field (cfg_select))) \
481 if (buffer[0] != 0) \
482 strlcat (buffer, "/", buffer_size); \
483 strlcat (buffer, ident_get_##field (inst->select), buffer_size); \
488 CHECK_FIELD (plugin);
489 CHECK_FIELD (plugin_instance);
491 CHECK_FIELD (type_instance);
496 strlcat (buffer, "default", buffer_size);
498 ident_destroy (cfg_select);
501 } /* }}} int inst_describe */
503 time_t inst_get_mtime (graph_instance_t *inst) /* {{{ */
512 for (i = 0; i < inst->files_num; i++)
516 tmp = ident_get_mtime (inst->files[i]);
522 } /* }}} time_t inst_get_mtime */
524 /* vim: set sw=2 sts=2 et fdm=marker : */