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
*/
return (param (sec_key));
} /* }}} const char *get_part_from_param */
-int gl_ident_get_rrdargs (graph_config_t *cfg, /* {{{ */
- graph_instance_t *inst,
- graph_ident_t *ident,
- str_array_t *args)
+/* 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) || (inst == NULL) || (ident == NULL) || (args == NULL))
- return (EINVAL);
+ if ((cfg == NULL) || (ident == NULL))
+ return (def_head);
file = ident_to_file (ident);
if (file == NULL)
{
- DEBUG ("gl_ident_get_rrdargs: ident_to_file returned NULL.\n");
- return (-1);
+ DEBUG ("gl_ident_get_default_defs: ident_to_file returned NULL.\n");
+ return (def_head);
}
- DEBUG ("gl_ident_get_rrdargs: file = %s;\n", file);
+ 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 (status);
+ return (def_head);
}
for (i = 0; i < dses_num; i++)
{
- int index;
-
- DEBUG ("gl_ident_get_rrdargs: ds[%lu] = %s;\n", (unsigned long) i, dses[i]);
-
- index = array_argc (args);
-
- /* CDEFs */
- array_append_format (args, "DEF:def_%04i_min=%s:%s:MIN",
- index, file, dses[i]);
- array_append_format (args, "DEF:def_%04i_avg=%s:%s:AVERAGE",
- index, file, dses[i]);
- array_append_format (args, "DEF:def_%04i_max=%s:%s:MAX",
- index, file, dses[i]);
- /* VDEFs */
- array_append_format (args, "VDEF:vdef_%04i_min=def_%04i_min,MINIMUM",
- index, index);
- array_append_format (args, "VDEF:vdef_%04i_avg=def_%04i_avg,AVERAGE",
- index, index);
- array_append_format (args, "VDEF:vdef_%04i_max=def_%04i_max,MAXIMUM",
- index, index);
- array_append_format (args, "VDEF:vdef_%04i_lst=def_%04i_avg,LAST",
- index, index);
-
- /* Graph part */
- array_append_format (args, "LINE1:def_%04i_avg#%06"PRIx32":%s",
- index, get_random_color (), dses[i]);
- array_append_format (args, "GPRINT:vdef_%04i_min:%%lg min,", index);
- array_append_format (args, "GPRINT:vdef_%04i_avg:%%lg avg,", index);
- array_append_format (args, "GPRINT:vdef_%04i_max:%%lg max,", index);
- array_append_format (args, "GPRINT:vdef_%04i_lst:%%lg last\\l", index);
+ 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 (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_ident_get_rrdargs */
+} /* }}} int gl_instance_get_rrdargs_cb */
/*
* Global functions
graph_instance_t *inst,
str_array_t *args)
{
- size_t i;
+ def_callback_data_t data = { inst, args };
+ graph_def_t *default_defs;
+ int status;
if ((cfg == NULL) || (inst == NULL) || (args == NULL))
return (EINVAL);
array_append (args, cfg->title);
}
- for (i = 0; i < inst->files_num; i++)
+ if (cfg->defs == NULL)
{
- graph_def_t *def;
- int status;
+ default_defs = gl_inst_get_default_defs (cfg, inst);
- def = def_search (cfg->defs, inst->files[i]);
- if (def == NULL)
- {
- def = def_create (cfg, inst->files[i]);
- if (def == NULL)
- return (-1);
-
- if (cfg->defs == NULL)
- cfg->defs = def;
- else
- def_append (cfg->defs, def);
- }
+ if (default_defs == NULL)
+ return (-1);
- status = def_get_rrdargs (def, inst->files[i], args);
- if (status != 0)
- return (status);
+ 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);
}
- return (0);
+ return (status);
} /* }}} int gl_instance_get_rrdargs */
graph_ident_t *gl_instance_get_selector (graph_instance_t *inst) /* {{{ */