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 */
154 static graph_ident_t *inst_get_selector_from_params (void) /* {{{ */
156 const char *host = get_part_from_param ("inst_host", "host");
157 const char *plugin = get_part_from_param ("inst_plugin", "plugin");
158 const char *plugin_instance = get_part_from_param ("inst_plugin_instance",
160 const char *type = get_part_from_param ("inst_type", "type");
161 const char *type_instance = get_part_from_param ("inst_type_instance",
164 graph_ident_t *ident;
167 || (plugin == NULL) || (plugin_instance == NULL)
168 || (type == NULL) || (type_instance == NULL))
170 fprintf (stderr, "inst_get_selected: A parameter is NULL\n");
174 ident = ident_create (host, plugin, plugin_instance, type, type_instance);
177 fprintf (stderr, "inst_get_selected: ident_create failed\n");
182 } /* }}} graph_ident_t *inst_get_selector_from_params */
187 graph_instance_t *inst_create (graph_config_t *cfg, /* {{{ */
188 const graph_ident_t *ident)
191 graph_ident_t *selector;
193 if ((cfg == NULL) || (ident == NULL))
196 i = malloc (sizeof (*i));
199 memset (i, 0, sizeof (*i));
201 selector = graph_get_selector (cfg);
202 if (selector == NULL)
204 fprintf (stderr, "inst_create: graph_get_selector failed\n");
209 i->select = ident_copy_with_selector (selector, ident,
210 IDENT_FLAG_REPLACE_ANY);
211 if (i->select == NULL)
213 fprintf (stderr, "inst_create: ident_copy_with_selector failed\n");
214 ident_destroy (selector);
219 ident_destroy (selector);
225 } /* }}} graph_instance_t *inst_create */
227 void inst_destroy (graph_instance_t *inst) /* {{{ */
234 ident_destroy (inst->select);
236 for (i = 0; i < inst->files_num; i++)
237 ident_destroy (inst->files[i]);
241 } /* }}} void inst_destroy */
243 int inst_add_file (graph_instance_t *inst, /* {{{ */
244 const graph_ident_t *file)
248 tmp = realloc (inst->files, sizeof (*inst->files) * (inst->files_num + 1));
253 inst->files[inst->files_num] = ident_clone (file);
254 if (inst->files[inst->files_num] == NULL)
260 } /* }}} int inst_add_file */
262 graph_instance_t *inst_get_selected (graph_config_t *cfg) /* {{{ */
264 graph_ident_t *ident;
265 graph_instance_t *inst;
268 cfg = gl_graph_get_selected ();
272 DEBUG ("inst_get_selected: cfg == NULL;\n");
276 ident = inst_get_selector_from_params ();
279 fprintf (stderr, "inst_get_selected: ident_create failed\n");
283 inst = graph_inst_find_exact (cfg, ident);
285 ident_destroy (ident);
287 } /* }}} graph_instance_t *inst_get_selected */
289 int inst_get_rrdargs (graph_config_t *cfg, /* {{{ */
290 graph_instance_t *inst,
293 def_callback_data_t data = { inst, args };
297 if ((cfg == NULL) || (inst == NULL) || (args == NULL))
300 status = graph_get_rrdargs (cfg, inst, args);
304 defs = graph_get_defs (cfg);
307 defs = inst_get_default_defs (cfg, inst);
312 status = def_foreach (defs, gl_instance_get_rrdargs_cb, &data);
318 status = def_foreach (defs, gl_instance_get_rrdargs_cb, &data);
322 } /* }}} int inst_get_rrdargs */
324 graph_ident_t *inst_get_selector (graph_instance_t *inst) /* {{{ */
329 return (ident_clone (inst->select));
330 } /* }}} graph_ident_t *inst_get_selector */
332 int inst_get_params (graph_config_t *cfg, graph_instance_t *inst, /* {{{ */
333 char *buffer, size_t buffer_size)
335 graph_ident_t *cfg_select;
337 if ((cfg == NULL) || (inst == NULL)
338 || (buffer == NULL) || (buffer_size < 1))
341 cfg_select = graph_get_selector (cfg);
342 if (cfg_select == NULL)
344 fprintf (stderr, "inst_get_params: graph_get_selector failed");
350 #define COPY_FIELD(field) do { \
351 const char *cfg_f = ident_get_##field (cfg_select); \
352 const char *inst_f = ident_get_##field (inst->select); \
353 if (strcmp (cfg_f, inst_f) == 0) \
355 strlcat (buffer, #field, buffer_size); \
356 strlcat (buffer, "=", buffer_size); \
357 strlcat (buffer, cfg_f, buffer_size); \
361 strlcat (buffer, "graph_", buffer_size); \
362 strlcat (buffer, #field, buffer_size); \
363 strlcat (buffer, "=", buffer_size); \
364 strlcat (buffer, cfg_f, buffer_size); \
365 strlcat (buffer, ";", buffer_size); \
366 strlcat (buffer, "inst_", buffer_size); \
367 strlcat (buffer, #field, buffer_size); \
368 strlcat (buffer, "=", buffer_size); \
369 strlcat (buffer, inst_f, buffer_size); \
374 strlcat (buffer, ";", buffer_size);
376 strlcat (buffer, ";", buffer_size);
377 COPY_FIELD(plugin_instance);
378 strlcat (buffer, ";", buffer_size);
380 strlcat (buffer, ";", buffer_size);
381 COPY_FIELD(type_instance);
385 ident_destroy (cfg_select);
388 } /* }}} int inst_get_params */
390 int inst_compare_ident (graph_instance_t *inst, /* {{{ */
391 const graph_ident_t *ident)
393 if ((inst == NULL) || (ident == NULL))
396 return (ident_compare (inst->select, ident));
397 } /* }}} int inst_compare_ident */
399 _Bool inst_matches_ident (graph_instance_t *inst, /* {{{ */
400 const graph_ident_t *ident)
402 if ((inst == NULL) || (ident == NULL))
405 return (ident_matches (inst->select, ident));
406 } /* }}} _Bool inst_matches_ident */
408 _Bool inst_matches_string (graph_config_t *cfg, /* {{{ */
409 graph_instance_t *inst,
415 if ((cfg == NULL) || (inst == NULL) || (term == NULL))
418 status = inst_describe (cfg, inst, buffer, sizeof (buffer));
421 fprintf (stderr, "inst_matches_string: inst_describe failed\n");
428 if (strstr (buffer, term) == NULL)
432 } /* }}} _Bool inst_matches_string */
434 _Bool inst_matches_field (graph_instance_t *inst, /* {{{ */
435 graph_ident_field_t field, const char *field_value)
437 const char *selector_field;
440 if ((inst == NULL) || (field_value == NULL))
443 selector_field = ident_get_field (inst->select, field);
444 if (selector_field == NULL)
447 assert (!IS_ANY (selector_field));
448 if (!IS_ALL (selector_field))
450 if (strcasecmp (selector_field, field_value) == 0)
456 /* The selector field is an ALL selector
457 * => we need to check the files to see if the instance matches. */
458 for (i = 0; i < inst->files_num; i++)
460 selector_field = ident_get_field (inst->files[i], field);
461 if (selector_field == NULL)
464 assert (!IS_ANY (selector_field));
465 assert (!IS_ALL (selector_field));
467 if (strcasecmp (selector_field, field_value) == 0)
472 } /* }}} _Bool inst_matches_field */
474 int inst_describe (graph_config_t *cfg, graph_instance_t *inst, /* {{{ */
475 char *buffer, size_t buffer_size)
477 graph_ident_t *cfg_select;
479 if ((cfg == NULL) || (inst == NULL)
480 || (buffer == NULL) || (buffer_size < 2))
483 cfg_select = graph_get_selector (cfg);
484 if (cfg_select == NULL)
486 fprintf (stderr, "inst_describe: graph_get_selector failed\n");
492 #define CHECK_FIELD(field) do { \
493 if (IS_ANY (ident_get_##field (cfg_select))) \
495 if (buffer[0] != 0) \
496 strlcat (buffer, "/", buffer_size); \
497 strlcat (buffer, ident_get_##field (inst->select), buffer_size); \
502 CHECK_FIELD (plugin);
503 CHECK_FIELD (plugin_instance);
505 CHECK_FIELD (type_instance);
510 strlcat (buffer, "default", buffer_size);
512 ident_destroy (cfg_select);
515 } /* }}} int inst_describe */
517 time_t inst_get_mtime (graph_instance_t *inst) /* {{{ */
526 for (i = 0; i < inst->files_num; i++)
530 tmp = ident_get_mtime (inst->files[i]);
536 } /* }}} time_t inst_get_mtime */
538 /* vim: set sw=2 sts=2 et fdm=marker : */