}; /* }}} */
typedef struct gl_ident_stage_s gl_ident_stage_t;
-struct graph_instance_s /* {{{ */
-{
- graph_ident_t *select;
-
- graph_ident_t **files;
- size_t files_num;
-
- graph_instance_t *next;
-}; /* }}} struct graph_instance_s */
-
struct graph_config_s /* {{{ */
{
graph_ident_t *select;
graph_config_t *next;
}; /* }}} struct graph_config_s */
-struct def_callback_data_s
-{
- graph_instance_t *inst;
- str_array_t *args;
-};
-typedef struct def_callback_data_s def_callback_data_t;
-
/*
* Global variables
*/
/*
* Private functions
*/
-/* FIXME: These "print_*" functions are used for debugging. They should be
- * removed at some point. */
-static int print_files (const graph_instance_t *inst) /* {{{ */
-{
- size_t i;
-
- for (i = 0; i < inst->files_num; i++)
- {
- graph_ident_t *ident = inst->files[i];
- char *file;
-
- file = ident_to_file (ident);
- printf (" File \"%s\"\n", file);
- free (file);
- }
-
- return (0);
-} /* }}} int print_instances */
-
-static int print_instances (const graph_config_t *cfg) /* {{{ */
-{
- graph_instance_t *inst;
-
- for (inst = cfg->instances; inst != NULL; inst = inst->next)
- {
- char *str;
-
- str = ident_to_string (inst->select);
- printf (" Instance \"%s\"\n", str);
- free (str);
-
- print_files (inst);
- }
-
- return (0);
-} /* }}} int print_instances */
-
-static int print_graphs (void) /* {{{ */
-{
- graph_config_t *cfg;
-
- for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
- {
- char *str;
-
- str = ident_to_string (cfg->select);
- printf ("Graph \"%s\"\n", str);
- free (str);
-
- print_instances (cfg);
- }
-
- return (0);
-} /* }}} int print_graphs */
-
#if 0
/* "Safe" version of strcmp(3): Either or both pointers may be NULL. */
static int strcmp_s (const char *s1, const char *s2) /* {{{ */
} /* }}} int strcmp_s */
#endif
-static void instance_destroy (graph_instance_t *inst) /* {{{ */
-{
- graph_instance_t *next;
- size_t i;
-
- if (inst == NULL)
- return;
-
- next = inst->next;
-
- ident_destroy (inst->select);
-
- for (i = 0; i < inst->files_num; i++)
- ident_destroy (inst->files[i]);
- free (inst->files);
-
- free (inst);
-
- instance_destroy (next);
-} /* }}} void instance_destroy */
-
/*
* Copy part of an identifier. If the "template" value is ANY_TOKEN, "value" is
* copied and returned. This function is used when creating graph_instance_t
* from graph_config_t.
*/
-static graph_instance_t *instance_create (graph_config_t *cfg, /* {{{ */
- const graph_ident_t *file)
-{
- graph_instance_t *i;
-
- if ((cfg == NULL) || (file == NULL))
- return (NULL);
-
- i = malloc (sizeof (*i));
- if (i == NULL)
- return (NULL);
- memset (i, 0, sizeof (*i));
-
- i->select = ident_copy_with_selector (cfg->select, file,
- IDENT_FLAG_REPLACE_ANY);
- if (i->select == NULL)
- {
- DEBUG ("instance_create: ident_copy_with_selector returned NULL.\n");
- free (i);
- return (NULL);
- }
-
- i->files = NULL;
- i->files_num = 0;
-
- i->next = NULL;
-
- if (cfg->instances == NULL)
- cfg->instances = i;
- else
- {
- graph_instance_t *last;
-
- last = cfg->instances;
- while (last->next != NULL)
- last = last->next;
-
- last->next = i;
- }
-
- return (i);
-} /* }}} graph_instance_t *instance_create */
-
-static int instance_add_file (graph_instance_t *inst, /* {{{ */
- const graph_ident_t *file)
-{
- graph_ident_t **tmp;
-
- tmp = realloc (inst->files, sizeof (*inst->files) * (inst->files_num + 1));
- if (tmp == NULL)
- return (ENOMEM);
- inst->files = tmp;
-
- inst->files[inst->files_num] = ident_clone (file);
- if (inst->files[inst->files_num] == NULL)
- return (ENOMEM);
-
- inst->files_num++;
-
- return (0);
-} /* }}} int instance_add_file */
static graph_instance_t *graph_find_instance (graph_config_t *cfg, /* {{{ */
- const graph_ident_t *file)
+ const graph_ident_t *ident)
{
- graph_instance_t *i;
-
- if ((cfg == NULL) || (file == NULL))
+ if ((cfg == NULL) || (ident == NULL))
return (NULL);
- for (i = cfg->instances; i != NULL; i = i->next)
- if (ident_matches (i->select, file))
- return (i);
-
- return (NULL);
+ return (inst_find_matching (cfg->instances, ident));
} /* }}} graph_instance_t *graph_find_instance */
static int graph_add_file (graph_config_t *cfg, const graph_ident_t *file) /* {{{ */
inst = graph_find_instance (cfg, file);
if (inst == NULL)
{
- inst = instance_create (cfg, file);
+ inst = inst_create (cfg, file);
if (inst == NULL)
return (ENOMEM);
+
+ if (cfg->instances == NULL)
+ cfg->instances = inst;
+ else
+ inst_append (cfg->instances, inst);
}
- return (instance_add_file (inst, file));
+ return (inst_add_file (inst, file));
} /* }}} int graph_add_file */
static int graph_append (graph_config_t **head, /* {{{ */
free (cfg->vertical_label);
def_destroy (cfg->defs);
- instance_destroy (cfg->instances);
+ inst_destroy (cfg->instances);
graph_destroy (next);
} /* }}} void graph_destroy */
return (param (sec_key));
} /* }}} const char *get_part_from_param */
-/* Create one DEF for each data source in the file. Called by
- * "gl_inst_get_default_defs" for each file. */
-static graph_def_t *gl_ident_get_default_defs (graph_config_t *cfg, /* {{{ */
- graph_ident_t *ident, graph_def_t *def_head)
-{
- graph_def_t *defs = NULL;
- char *file;
- char **dses = NULL;
- size_t dses_num = 0;
- int status;
- size_t i;
-
- if ((cfg == NULL) || (ident == NULL))
- return (def_head);
-
- file = ident_to_file (ident);
- if (file == NULL)
- {
- DEBUG ("gl_ident_get_default_defs: ident_to_file returned NULL.\n");
- return (def_head);
- }
-
- DEBUG ("gl_ident_get_default_defs: file = %s;\n", file);
-
- status = ds_list_from_rrd_file (file, &dses_num, &dses);
- if (status != 0)
- {
- free (file);
- return (def_head);
- }
-
- for (i = 0; i < dses_num; i++)
- {
- graph_def_t *def;
-
- def = def_search (def_head, ident, dses[i]);
- if (def != NULL)
- continue;
-
- def = def_create (cfg, ident, dses[i]);
- if (def == NULL)
- continue;
-
- if (defs == NULL)
- defs = def;
- else
- def_append (defs, def);
-
- free (dses[i]);
- }
-
- free (dses);
- free (file);
-
- return (defs);
-} /* }}} int gl_ident_get_default_defs */
-
-/* Create one or more DEFs for each file in the graph instance. The number
- * depends on the number of data sources in each of the files. Called from
- * "gl_instance_get_rrdargs" if no DEFs are available from the configuration.
- * */
-static graph_def_t *gl_inst_get_default_defs (graph_config_t *cfg, /* {{{ */
- graph_instance_t *inst)
-{
- graph_def_t *defs = NULL;
- size_t i;
-
- if ((cfg == NULL) || (inst == NULL))
- return (NULL);
-
- for (i = 0; i < inst->files_num; i++)
- {
- graph_def_t *def;
-
- def = gl_ident_get_default_defs (cfg, inst->files[i], defs);
- if (def == NULL)
- continue;
-
- if (defs == NULL)
- defs = def;
- else
- def_append (defs, def);
- }
-
- return (defs);
-} /* }}} graph_def_t *gl_inst_get_default_defs */
-
-/* Called with each DEF in turn. Calls "def_get_rrdargs" with every appropriate
- * file / DEF pair. */
-static int gl_instance_get_rrdargs_cb (graph_def_t *def, void *user_data) /* {{{ */
-{
- def_callback_data_t *data = user_data;
- graph_instance_t *inst = data->inst;
- str_array_t *args = data->args;
-
- size_t i;
-
- for (i = 0; i < inst->files_num; i++)
- {
- if (!def_matches (def, inst->files[i]))
- continue;
-
- def_get_rrdargs (def, inst->files[i], args);
- }
-
- return (0);
-} /* }}} int gl_instance_get_rrdargs_cb */
-
static int gl_clear_instances (void) /* {{{ */
{
graph_config_t *cfg;
for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
{
- instance_destroy (cfg->instances);
+ inst_destroy (cfg->instances);
cfg->instances = NULL;
}
/*
* Global functions
*/
-
int graph_config_add (const oconfig_item_t *ci) /* {{{ */
{
graph_ident_t *select;
return (0);
} /* }}} int graph_config_submit */
-int gl_instance_get_params (graph_config_t *cfg, graph_instance_t *inst, /* {{{ */
- char *buffer, size_t buffer_size)
-{
- if ((inst == NULL) || (buffer == NULL) || (buffer_size < 1))
- return (EINVAL);
-
- buffer[0] = 0;
-
-#define COPY_FIELD(field) do { \
- const char *cfg_f = ident_get_##field (cfg->select); \
- const char *inst_f = ident_get_##field (inst->select); \
- if (strcmp (cfg_f, inst_f) == 0) \
- { \
- strlcat (buffer, #field, buffer_size); \
- strlcat (buffer, "=", buffer_size); \
- strlcat (buffer, cfg_f, buffer_size); \
- } \
- else \
- { \
- strlcat (buffer, "graph_", buffer_size); \
- strlcat (buffer, #field, buffer_size); \
- strlcat (buffer, "=", buffer_size); \
- strlcat (buffer, cfg_f, buffer_size); \
- strlcat (buffer, ";", buffer_size); \
- strlcat (buffer, "inst_", buffer_size); \
- strlcat (buffer, #field, buffer_size); \
- strlcat (buffer, "=", buffer_size); \
- strlcat (buffer, inst_f, buffer_size); \
- } \
-} while (0)
-
- COPY_FIELD(host);
- strlcat (buffer, ";", buffer_size);
- COPY_FIELD(plugin);
- strlcat (buffer, ";", buffer_size);
- COPY_FIELD(plugin_instance);
- strlcat (buffer, ";", buffer_size);
- COPY_FIELD(type);
- strlcat (buffer, ";", buffer_size);
- COPY_FIELD(type_instance);
-
-#undef COPY_FIELD
-
- return (0);
-} /* }}} int gl_instance_get_params */
-
-graph_instance_t *inst_get_selected (graph_config_t *cfg) /* {{{ */
-{
- const char *host = get_part_from_param ("inst_host", "host");
- const char *plugin = get_part_from_param ("inst_plugin", "plugin");
- const char *plugin_instance = get_part_from_param ("inst_plugin_instance", "plugin_instance");
- const char *type = get_part_from_param ("inst_type", "type");
- const char *type_instance = get_part_from_param ("inst_type_instance", "type_instance");
- graph_ident_t *ident;
- graph_instance_t *inst;
-
- if (cfg == NULL)
- cfg = graph_get_selected ();
-
- if (cfg == NULL)
- {
- DEBUG ("inst_get_selected: cfg == NULL;\n");
- return (NULL);
- }
-
- if ((host == NULL)
- || (plugin == NULL) || (plugin_instance == NULL)
- || (type == NULL) || (type_instance == NULL))
- {
- DEBUG ("inst_get_selected: A parameter is NULL.\n");
- return (NULL);
- }
-
- ident = ident_create (host, plugin, plugin_instance, type, type_instance);
-
- for (inst = cfg->instances; inst != NULL; inst = inst->next)
- {
- if (ident_compare (ident, inst->select) != 0)
- continue;
-
- ident_destroy (ident);
- return (inst);
- }
-
- DEBUG ("inst_get_selected: No match found.\n");
- ident_destroy (ident);
- return (NULL);
-} /* }}} graph_instance_t *inst_get_selected */
-
int gl_graph_get_all (gl_cfg_callback callback, /* {{{ */
void *user_data)
{
return (NULL);
} /* }}} graph_config_t *graph_get_selected */
+/* gl_instance_get_all, gl_graph_instance_get_all {{{ */
+struct gl_inst_callback_data /* {{{ */
+{
+ graph_config_t *cfg;
+ gl_inst_callback callback;
+ void *user_data;
+}; /* }}} struct gl_inst_callback_data */
+
+static int gl_inst_callback_handler (graph_instance_t *inst, /* {{{ */
+ void *user_data)
+{
+ struct gl_inst_callback_data *data = user_data;
+
+ return ((*data->callback) (data->cfg, inst, data->user_data));
+} /* }}} int gl_inst_callback_handler */
+
int gl_graph_instance_get_all (graph_config_t *cfg, /* {{{ */
gl_inst_callback callback, void *user_data)
{
- graph_instance_t *inst;
+ struct gl_inst_callback_data data =
+ {
+ cfg,
+ callback,
+ user_data
+ };
if ((cfg == NULL) || (callback == NULL))
return (EINVAL);
- for (inst = cfg->instances; inst != NULL; inst = inst->next)
+ return (inst_foreach (cfg->instances, gl_inst_callback_handler, &data));
+} /* }}} int gl_graph_instance_get_all */
+
+int gl_instance_get_all (gl_inst_callback callback, /* {{{ */
+ void *user_data)
+{
+ graph_config_t *cfg;
+
+ gl_update ();
+
+ for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
{
int status;
- status = (*callback) (cfg, inst, user_data);
+ status = gl_graph_instance_get_all (cfg, callback, user_data);
if (status != 0)
return (status);
}
return (0);
-} /* }}} int gl_graph_instance_get_all */
+} /* }}} int gl_instance_get_all */
+/* }}} gl_instance_get_all, gl_graph_instance_get_all */
int gl_graph_get_title (graph_config_t *cfg, /* {{{ */
char *buffer, size_t buffer_size)
return (ident_clone (cfg->select));
} /* }}} graph_ident_t *gl_graph_get_selector */
-int gl_graph_add_def (graph_config_t *cfg, graph_def_t *def) /* {{{ */
+graph_instance_t *gl_graph_get_instances (graph_config_t *cfg) /* {{{ */
{
- if ((cfg == NULL) || (def == NULL))
- return (EINVAL);
-
- if (cfg->defs == NULL)
- {
- cfg->defs = def;
- return (0);
- }
-
- return (def_append (cfg->defs, def));
-} /* }}} int gl_graph_add_def */
+ if (cfg == NULL)
+ return (NULL);
+ return (cfg->instances);
+} /* }}} graph_instance_t *gl_graph_get_instances */
-int gl_instance_get_all (gl_inst_callback callback, /* {{{ */
- void *user_data)
+graph_def_t *gl_graph_get_defs (graph_config_t *cfg) /* {{{ */
{
- graph_config_t *cfg;
-
- gl_update ();
-
- for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
- {
- graph_instance_t *inst;
-
- for (inst = cfg->instances; inst != NULL; inst = inst->next)
- {
- int status;
-
- status = (*callback) (cfg, inst, user_data);
- if (status != 0)
- return (status);
- }
- }
+ if (cfg == NULL)
+ return (NULL);
- return (0);
-} /* }}} int gl_instance_get_all */
+ return (cfg->defs);
+} /* }}} graph_def_t *gl_graph_get_defs */
-int gl_instance_get_rrdargs (graph_config_t *cfg, /* {{{ */
- graph_instance_t *inst,
- str_array_t *args)
+int gl_graph_add_def (graph_config_t *cfg, graph_def_t *def) /* {{{ */
{
- def_callback_data_t data = { inst, args };
- graph_def_t *default_defs;
- int status;
-
- if ((cfg == NULL) || (inst == NULL) || (args == NULL))
+ if ((cfg == NULL) || (def == NULL))
return (EINVAL);
- if (cfg->title != NULL)
- {
- array_append (args, "-t");
- array_append (args, cfg->title);
- }
-
- if (cfg->vertical_label != NULL)
- {
- array_append (args, "-v");
- array_append (args, cfg->vertical_label);
- }
-
if (cfg->defs == NULL)
{
- default_defs = gl_inst_get_default_defs (cfg, inst);
-
- if (default_defs == NULL)
- return (-1);
-
- status = def_foreach (default_defs, gl_instance_get_rrdargs_cb, &data);
-
- if (default_defs != NULL)
- def_destroy (default_defs);
- }
- else
- {
- status = def_foreach (cfg->defs, gl_instance_get_rrdargs_cb, &data);
+ cfg->defs = def;
+ return (0);
}
- return (status);
-} /* }}} int gl_instance_get_rrdargs */
-
-graph_ident_t *gl_instance_get_selector (graph_instance_t *inst) /* {{{ */
-{
- if (inst == NULL)
- return (NULL);
-
- return (ident_clone (inst->select));
-} /* }}} graph_ident_t *gl_instance_get_selector */
+ return (def_append (cfg->defs, def));
+} /* }}} int gl_graph_add_def */
int gl_update (void) /* {{{ */
{
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