#include <stdlib.h>
#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <assert.h>
-#include <fcgiapp.h>
-#include <fcgi_stdio.h>
-
#include "graph_list.h"
+#include "graph_ident.h"
+#include "graph_def.h"
+#include "graph_config.h"
#include "common.h"
+#include "utils_params.h"
+
+#include <fcgiapp.h>
+#include <fcgi_stdio.h>
/*
* Defines
/*
* Data types
*/
-struct graph_ident_s /* {{{ */
+struct gl_ident_stage_s /* {{{ */
{
char *host;
char *plugin;
char *plugin_instance;
char *type;
char *type_instance;
-}; /* }}} struct graph_ident_s */
+}; /* }}} */
+typedef struct gl_ident_stage_s gl_ident_stage_t;
-struct graph_instance_s;
-typedef struct graph_instance_s graph_instance_t;
-struct graph_instance_s
+struct graph_instance_s /* {{{ */
{
- graph_ident_t select;
+ graph_ident_t *select;
- graph_ident_t *files;
+ graph_ident_t **files;
size_t files_num;
graph_instance_t *next;
-};
+}; /* }}} struct graph_instance_s */
-struct graph_config_s;
-typedef struct graph_config_s graph_config_t;
-struct graph_config_s
+struct graph_config_s /* {{{ */
{
- graph_ident_t select;
+ graph_ident_t *select;
char *title;
char *vertical_label;
+ graph_def_t *defs;
+
graph_instance_t *instances;
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
*/
static graph_config_t *graph_config_head = NULL;
+static graph_config_t *graph_config_staging = NULL;
-static graph_ident_t *graph_list = NULL;
-static size_t graph_list_length = 0;
static time_t gl_last_update = 0;
/*
* 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 *file = inst->files + i;
+ graph_ident_t *ident = inst->files[i];
+ char *file;
- printf (" File \"%s/%s-%s/%s-%s\"\n",
- file->host,
- file->plugin, file->plugin_instance,
- file->type, file->type_instance);
+ file = ident_to_file (ident);
+ printf (" File \"%s\"\n", file);
+ free (file);
}
return (0);
for (inst = cfg->instances; inst != NULL; inst = inst->next)
{
- printf (" Instance \"%s/%s-%s/%s-%s\"\n",
- inst->select.host,
- inst->select.plugin, inst->select.plugin_instance,
- inst->select.type, inst->select.type_instance);
+ char *str;
+
+ str = ident_to_string (inst->select);
+ printf (" Instance \"%s\"\n", str);
+ free (str);
print_files (inst);
}
for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
{
- printf ("Graph \"%s/%s-%s/%s-%s\"\n",
- cfg->select.host,
- cfg->select.plugin, cfg->select.plugin_instance,
- cfg->select.type, cfg->select.type_instance);
+ 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) /* {{{ */
{
return (strcmp (s1, s2));
} /* }}} int strcmp_s */
+#endif
-static _Bool part_matches (const char *sel, const char *val) /* {{{ */
+static void instance_destroy (graph_instance_t *inst) /* {{{ */
{
- if ((sel == NULL) && (val == NULL))
- return (1);
-
- if (sel == NULL) /* && (val != NULL) */
- return (0);
-
- if ((strcasecmp (ALL_TOKEN, sel) == 0)
- || (strcasecmp (ANY_TOKEN, sel) == 0))
- return (1);
-
- if (val == NULL) /* && (sel != NULL) */
- return (0);
-
- if (strcmp (sel, val) == 0)
- return (1);
-
- return (0);
-} /* }}} _Bool part_matches */
-
-static _Bool file_matches (const graph_ident_t *sel, /* {{{ */
- const graph_ident_t *val)
-{
- if ((sel == NULL) && (val == NULL))
- return (0);
- else if (sel == NULL)
- return (-1);
- else if (val == NULL)
- return (1);
+ graph_instance_t *next;
+ size_t i;
- if (!part_matches (sel->host, val->host))
- return (0);
+ if (inst == NULL)
+ return;
- if (!part_matches (sel->plugin, val->plugin))
- return (0);
+ next = inst->next;
- if (!part_matches (sel->plugin_instance, val->plugin_instance))
- return (0);
+ ident_destroy (inst->select);
- if (!part_matches (sel->type, val->type))
- return (0);
+ for (i = 0; i < inst->files_num; i++)
+ ident_destroy (inst->files[i]);
+ free (inst->files);
- if (!part_matches (sel->type_instance, val->type_instance))
- return (0);
+ free (inst);
- return (1);
-} /* }}} _Bool ident_compare */
+ 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 char *identifier_copy_part (const char *template, const char *value) /* {{{ */
-{
- if (template == NULL)
- {
- return (NULL);
- }
- else if (strcasecmp (ANY_TOKEN, template) == 0)
- {
- /* ANY in the graph selection => concrete value in the instance. */
- if (value == NULL)
- return (NULL);
- else
- return (strdup (value));
- }
- else if (strcasecmp (ALL_TOKEN, template) == 0)
- {
- /* ALL in the graph selection => ALL in the instance. */
- return (strdup (ALL_TOKEN));
- }
- else
- {
- assert (value != NULL);
- assert (strcmp (template, value) == 0);
- return (strdup (template));
- }
-} /* }}} int identifier_copy_part */
-
static graph_instance_t *instance_create (graph_config_t *cfg, /* {{{ */
const graph_ident_t *file)
{
return (NULL);
memset (i, 0, sizeof (*i));
- i->select.host = identifier_copy_part (cfg->select.host, file->host);
- i->select.plugin = identifier_copy_part (cfg->select.plugin, file->plugin);
- i->select.plugin_instance = identifier_copy_part (cfg->select.plugin_instance,
- file->plugin_instance);
- i->select.type = identifier_copy_part (cfg->select.type, file->type);
- i->select.type_instance = identifier_copy_part (cfg->select.type_instance,
- file->type_instance);
+ 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;
static int instance_add_file (graph_instance_t *inst, /* {{{ */
const graph_ident_t *file)
{
- graph_ident_t *tmp;
+ graph_ident_t **tmp;
tmp = realloc (inst->files, sizeof (*inst->files) * (inst->files_num + 1));
if (tmp == NULL)
return (ENOMEM);
inst->files = tmp;
- tmp = inst->files + inst->files_num;
- memset (tmp, 0, sizeof (*tmp));
- tmp->host = strdup (file->host);
- tmp->plugin = strdup (file->plugin);
- if (file->plugin_instance != NULL)
- tmp->plugin_instance = strdup (file->plugin_instance);
- else
- tmp->plugin_instance = NULL;
- tmp->type = strdup (file->type);
- if (file->type_instance != NULL)
- tmp->type_instance = strdup (file->type_instance);
- else
- tmp->type_instance = NULL;
+ inst->files[inst->files_num] = ident_clone (file);
+ if (inst->files[inst->files_num] == NULL)
+ return (ENOMEM);
inst->files_num++;
return (NULL);
for (i = cfg->instances; i != NULL; i = i->next)
- if (file_matches (&i->select, file))
+ if (ident_matches (i->select, file))
return (i);
return (NULL);
return (instance_add_file (inst, file));
} /* }}} int graph_add_file */
-static int graph_append (graph_config_t *cfg) /* {{{ */
+static int graph_append (graph_config_t **head, /* {{{ */
+ graph_config_t *cfg)
{
graph_config_t *last;
if (cfg == NULL)
return (EINVAL);
- if (graph_config_head == NULL)
+ if (head == NULL)
+ head = &graph_config_head;
+
+ if (*head == NULL)
{
- graph_config_head = cfg;
+ *head = cfg;
return (0);
}
- last = graph_config_head;
+ last = *head;
while (last->next != NULL)
last = last->next;
return (0);
} /* }}} int graph_append */
-static int graph_create_from_file (const graph_ident_t *file) /* {{{ */
+static graph_config_t *graph_create (const graph_ident_t *selector) /* {{{ */
{
graph_config_t *cfg;
cfg = malloc (sizeof (*cfg));
if (cfg == NULL)
- return (ENOMEM);
+ return (NULL);
memset (cfg, 0, sizeof (*cfg));
- cfg->select.host = strdup (file->host);
- cfg->select.plugin = strdup (file->plugin);
- cfg->select.plugin_instance = strdup (file->plugin_instance);
- cfg->select.type = strdup (file->type);
- cfg->select.type_instance = strdup (file->type_instance);
+ if (selector != NULL)
+ cfg->select = ident_clone (selector);
+ else
+ cfg->select = NULL;
cfg->title = NULL;
cfg->vertical_label = NULL;
+ cfg->defs = NULL;
cfg->instances = NULL;
cfg->next = NULL;
- graph_append (cfg);
+ return (cfg);
+} /* }}} int graph_create */
+
+static void graph_destroy (graph_config_t *cfg) /* {{{ */
+{
+ graph_config_t *next;
+
+ if (cfg == NULL)
+ return;
+
+ next = cfg->next;
+
+ ident_destroy (cfg->select);
+
+ free (cfg->title);
+ free (cfg->vertical_label);
+
+ def_destroy (cfg->defs);
+ instance_destroy (cfg->instances);
- return (graph_add_file (cfg, file));
-} /* }}} int graph_create_from_file */
+ graph_destroy (next);
+} /* }}} void graph_destroy */
static int register_file (const graph_ident_t *file) /* {{{ */
{
{
int status;
- if (!file_matches (&cfg->select, file))
+ if (!ident_matches (cfg->select, file))
continue;
status = graph_add_file (cfg, file);
}
if (num_graphs == 0)
- graph_create_from_file (file);
-
- return (0);
-} /* }}} int register_file */
-
-static int FIXME_graph_create_from_file (const graph_ident_t *file) /* {{{ */
-{
- graph_config_t *cfg;
-
- cfg = malloc (sizeof (*cfg));
- if (cfg == NULL)
- return (ENOMEM);
- memset (cfg, 0, sizeof (*cfg));
-
- cfg->select.host = strdup (file->host);
- cfg->select.plugin = strdup (file->plugin);
- cfg->select.plugin_instance = strdup (file->plugin_instance);
- cfg->select.type = strdup (file->type);
- cfg->select.type_instance = strdup (file->type_instance);
-
- cfg->title = NULL;
- cfg->vertical_label = NULL;
- cfg->instances = NULL;
- cfg->next = NULL;
-
- graph_append (cfg);
-
- return (0);
-} /* }}} int FIXME_graph_create_from_file */
-
-static int read_graph_config (void) /* {{{ */
-{
- if (graph_config_head != NULL)
- return (0);
-
- graph_ident_t ident;
-
-
- ident.host = ANY_TOKEN;
- ident.plugin = "cpu";
- ident.plugin_instance = ANY_TOKEN;
- ident.type = "cpu";
- ident.type_instance = ALL_TOKEN;
- FIXME_graph_create_from_file (&ident);
-
- ident.plugin = "memory";
- ident.plugin_instance = "";
- ident.type = "memory";
- FIXME_graph_create_from_file (&ident);
-
- ident.plugin = "swap";
- ident.plugin_instance = "";
- ident.type = "swap";
- FIXME_graph_create_from_file (&ident);
-
- ident.plugin = ANY_TOKEN;
- ident.plugin_instance = ANY_TOKEN;
- ident.type = "ps_state";
- FIXME_graph_create_from_file (&ident);
-
- ident.host = ALL_TOKEN;
- ident.plugin = "cpu";
- ident.plugin_instance = ALL_TOKEN;
- ident.type = "cpu";
- ident.type_instance = "idle";
- FIXME_graph_create_from_file (&ident);
-
- return (0);
-} /* }}} int read_graph_config */
-
-
-
-static int gl_compare (const void *p0, const void *p1) /* {{{ */
-{
- const graph_ident_t *gl0 = p0;
- const graph_ident_t *gl1 = p1;
- int status;
-
- status = strcmp (gl0->host, gl1->host);
- if (status != 0)
- return (status);
-
- status = strcmp (gl0->plugin, gl1->plugin);
- if (status != 0)
- return (status);
-
- status = strcmp_s (gl0->plugin_instance, gl1->plugin_instance);
- if (status != 0)
- return (status);
-
- status = strcmp (gl0->type, gl1->type);
- if (status != 0)
- return (status);
-
- return (strcmp_s (gl0->type_instance, gl1->type_instance));
-} /* }}} int gl_compare */
-
-static void gl_clear_entry (graph_ident_t *gl) /* {{{ */
-{
- if (gl == NULL)
- return;
-
- free (gl->host);
- free (gl->plugin);
- free (gl->plugin_instance);
- free (gl->type);
- free (gl->type_instance);
-
- gl->host = NULL;
- gl->plugin = NULL;
- gl->plugin_instance = NULL;
- gl->type = NULL;
- gl->type_instance = NULL;
-} /* }}} void gl_clear_entry */
-
-static void gl_clear (void) /* {{{ */
-{
- size_t i;
-
- for (i = 0; i < graph_list_length; i++)
- gl_clear_entry (graph_list + i);
-
- free (graph_list);
- graph_list = NULL;
- graph_list_length = 0;
- gl_last_update = 0;
-} /* }}} void gl_clear */
-
-static int gl_add_copy (graph_ident_t *gl) /* {{{ */
-{
- graph_ident_t *ptr;
- int status;
-
- if (gl == NULL)
- return (EINVAL);
-
- ptr = realloc (graph_list, sizeof (*graph_list) * (graph_list_length + 1));
- if (ptr == NULL)
- return (ENOMEM);
- graph_list = ptr;
-
- ptr = graph_list + graph_list_length;
- memset (ptr, 0, sizeof (*ptr));
- ptr->host = NULL;
- ptr->plugin = NULL;
- ptr->plugin_instance = NULL;
- ptr->type = NULL;
- ptr->type_instance = NULL;
-
-#define DUP_OR_BREAK(member) do { \
- ptr->member = NULL; \
- if (gl->member != NULL) \
- { \
- ptr->member = strdup (gl->member); \
- if (ptr->member == NULL) \
- break; \
- } \
-} while (0)
-
- status = ENOMEM;
- do
{
- DUP_OR_BREAK(host);
- DUP_OR_BREAK(plugin);
- DUP_OR_BREAK(plugin_instance);
- DUP_OR_BREAK(type);
- DUP_OR_BREAK(type_instance);
-
- status = 0;
- } while (0);
-
-#undef DUP_OR_BREAK
-
- if (status != 0)
- {
- free (ptr->host);
- free (ptr->plugin);
- free (ptr->plugin_instance);
- free (ptr->type);
- free (ptr->type_instance);
- return (status);
+ cfg = graph_create (file);
+ graph_append (/* head = */ NULL, cfg);
+ graph_add_file (cfg, file);
}
- graph_list_length++;
return (0);
-} /* }}} int gl_add_copy */
+} /* }}} int register_file */
static int callback_type (const char *type, void *user_data) /* {{{ */
{
- graph_ident_t *gl;
+ gl_ident_stage_t *gl;
+ graph_ident_t *ident;
int status;
if ((type == NULL) || (user_data == NULL))
gl->type_instance = gl->type + strlen (gl->type);
}
- register_file (gl);
-
- status = gl_add_copy (gl);
+ ident = ident_create (gl->host,
+ gl->plugin, gl->plugin_instance,
+ gl->type, gl->type_instance);
+ if (ident == 0)
+ {
+ status = -1;
+ }
+ else
+ {
+ status = register_file (ident);
+ ident_destroy (ident);
+ }
free (gl->type);
gl->type = NULL;
static int callback_plugin (const char *plugin, void *user_data) /* {{{ */
{
- graph_ident_t *gl;
+ gl_ident_stage_t *gl;
int status;
if ((plugin == NULL) || (user_data == NULL))
static int callback_host (const char *host, void *user_data) /* {{{ */
{
- graph_ident_t *gl;
+ gl_ident_stage_t *gl;
int status;
if ((host == NULL) || (user_data == NULL))
return (status);
} /* }}} int callback_host */
+static const char *get_part_from_param (const char *prim_key, /* {{{ */
+ const char *sec_key)
+{
+ const char *val;
+
+ val = param (prim_key);
+ if (val != NULL)
+ return (val);
+
+ 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 */
+
+/*
+ * Config functions
+ */
+static int config_get_string (const oconfig_item_t *ci, char **ret_str)
+{
+ char *tmp;
+
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
+ return (EINVAL);
+
+ tmp = strdup (ci->values[0].value.string);
+ if (tmp == NULL)
+ return (ENOMEM);
+
+ free (*ret_str);
+ *ret_str = tmp;
+
+ return (0);
+} /* }}} int config_get_string */
+
/*
* Global functions
*/
+int graph_config_add (const oconfig_item_t *ci)
+{
+ char *host = NULL;
+ char *plugin = NULL;
+ char *plugin_instance = NULL;
+ char *type = NULL;
+ char *type_instance = NULL;
+ graph_config_t *cfg = NULL;
+ int i;
+
+ cfg = graph_create (/* selector = */ NULL);
+ if (cfg == NULL)
+ return (ENOMEM);
+
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child;
+
+ child = ci->children + i;
+
+ if (strcasecmp ("Host", child->key) == 0)
+ config_get_string (child, &host);
+ else if (strcasecmp ("Plugin", child->key) == 0)
+ config_get_string (child, &plugin);
+ else if (strcasecmp ("PluginInstance", child->key) == 0)
+ config_get_string (child, &plugin_instance);
+ else if (strcasecmp ("Type", child->key) == 0)
+ config_get_string (child, &type);
+ else if (strcasecmp ("TypeInstance", child->key) == 0)
+ config_get_string (child, &type_instance);
+ else if (strcasecmp ("Title", child->key) == 0)
+ config_get_string (child, &cfg->title);
+ else if (strcasecmp ("VerticalLabel", child->key) == 0)
+ config_get_string (child, &cfg->vertical_label);
+ /* TODO: DEFs! */
+ } /* for */
+
+ cfg->select = ident_create (host, plugin, plugin_instance,
+ type, type_instance);
+ if (cfg->select == NULL)
+ {
+ graph_destroy (cfg);
+ return (EINVAL);
+ }
+
+ graph_append (&graph_config_staging, cfg);
+
+ return (0);
+} /* }}} graph_config_add */
+
+int graph_config_submit (void) /* {{{ */
+{
+ graph_config_t *tmp;
+
+ tmp = graph_config_head;
+ graph_config_head = graph_config_staging;
+ graph_config_staging = NULL;
+
+ graph_destroy (tmp);
+
+ 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)
+{
+ graph_config_t *cfg;
+
+ if (callback == NULL)
+ return (EINVAL);
+
+ gl_update ();
+
+ for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
+ {
+ int status;
+
+ status = (*callback) (cfg, user_data);
+ if (status != 0)
+ return (status);
+ }
+
+ return (0);
+} /* }}} int gl_graph_get_all */
+
+graph_config_t *graph_get_selected (void) /* {{{ */
+{
+ const char *host = get_part_from_param ("graph_host", "host");
+ const char *plugin = get_part_from_param ("graph_plugin", "plugin");
+ const char *plugin_instance = get_part_from_param ("graph_plugin_instance", "plugin_instance");
+ const char *type = get_part_from_param ("graph_type", "type");
+ const char *type_instance = get_part_from_param ("graph_type_instance", "type_instance");
+ graph_ident_t *ident;
+ graph_config_t *cfg;
+
+ if ((host == NULL)
+ || (plugin == NULL) || (plugin_instance == NULL)
+ || (type == NULL) || (type_instance == NULL))
+ return (NULL);
+
+ ident = ident_create (host, plugin, plugin_instance, type, type_instance);
+
+ gl_update ();
+
+ for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
+ {
+ if (ident_compare (ident, cfg->select) != 0)
+ continue;
+
+ ident_destroy (ident);
+ return (cfg);
+ }
+
+ ident_destroy (ident);
+ return (NULL);
+} /* }}} graph_config_t *graph_get_selected */
+
+int gl_graph_instance_get_all (graph_config_t *cfg, /* {{{ */
+ gl_inst_callback callback, void *user_data)
+{
+ graph_instance_t *inst;
+
+ if ((cfg == NULL) || (callback == NULL))
+ return (EINVAL);
+
+ for (inst = cfg->instances; inst != NULL; inst = inst->next)
+ {
+ int status;
+
+ status = (*callback) (cfg, inst, user_data);
+ if (status != 0)
+ return (status);
+ }
+
+ return (0);
+} /* }}} int gl_graph_instance_get_all */
+
+int gl_graph_get_title (graph_config_t *cfg, /* {{{ */
+ char *buffer, size_t buffer_size)
+{
+ if ((cfg == NULL) || (buffer == NULL) || (buffer_size < 1))
+ return (EINVAL);
+
+ if (cfg->title == NULL)
+ cfg->title = ident_to_string (cfg->select);
+
+ if (cfg->title == NULL)
+ return (ENOMEM);
+
+ strncpy (buffer, cfg->title, buffer_size);
+ buffer[buffer_size - 1] = 0;
+
+ return (0);
+} /* }}} int gl_graph_get_title */
+
+graph_ident_t *gl_graph_get_selector (graph_config_t *cfg) /* {{{ */
+{
+ if (cfg == NULL)
+ return (NULL);
+
+ return (ident_clone (cfg->select));
+} /* }}} graph_ident_t *gl_graph_get_selector */
+
+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)
+ {
+ 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);
+ }
+ }
+
+ return (0);
+} /* }}} int gl_instance_get_all */
+
+int gl_instance_get_rrdargs (graph_config_t *cfg, /* {{{ */
+ graph_instance_t *inst,
+ str_array_t *args)
+{
+ def_callback_data_t data = { inst, args };
+ graph_def_t *default_defs;
+ int status;
+
+ if ((cfg == NULL) || (inst == NULL) || (args == 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);
+ }
+
+ 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 */
+
+/* DELETEME */
+
int gl_update (void) /* {{{ */
{
time_t now;
- graph_ident_t gl;
+ gl_ident_stage_t gl;
int status;
+ /*
printf ("Content-Type: text/plain\n\n");
-
- read_graph_config ();
+ */
now = time (NULL);
if ((gl_last_update + UPDATE_INTERVAL) >= now)
return (0);
- gl_clear ();
+ graph_read_config ();
memset (&gl, 0, sizeof (gl));
gl.host = NULL;
status = foreach_host (callback_host, &gl);
- print_graphs ();
-
- if (graph_list_length > 1)
- qsort (graph_list, graph_list_length, sizeof (*graph_list), gl_compare);
+ gl_last_update = now;
return (status);
} /* }}} int gl_update */
-int gl_foreach (gl_callback callback, void *user_data) /* {{{ */
-{
- size_t i;
-
- for (i = 0; i < graph_list_length; i++)
- {
- int status;
-
- status = (*callback) ((void *) (graph_list + i), user_data);
- if (status != 0)
- return (status);
- }
-
- return (0);
-} /* }}} int gl_foreach */
-
/* vim: set sw=2 sts=2 et fdm=marker : */