#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 <limits.h> /* PATH_MAX */
#include "graph_list.h"
#include "common.h"
#include "utils_params.h"
+#include <fcgiapp.h>
+#include <fcgi_stdio.h>
+
/*
* Defines
*/
#define ANY_TOKEN "/any/"
#define ALL_TOKEN "/all/"
+#if 0
+# define GL_DEBUG(...) do { \
+ printf ("Content-Type: text/plain\n\n"); \
+ printf (__VA_ARGS__); \
+} while (0)
+#else
+# define GL_DEBUG(...) /**/
+#endif
+
/*
* Data types
*/
return (1);
} /* }}} _Bool ident_compare */
+/* Free all the pointers contained in the graph_ident_t but don't free the
+ * graph_ident_t* itself. */
+static void ident_destroy (graph_ident_t *ident) /* {{{ */
+{
+ if (ident == NULL)
+ return;
+
+ free (ident->host);
+ ident->host = NULL;
+ free (ident->plugin);
+ ident->plugin = NULL;
+ free (ident->plugin_instance);
+ ident->plugin_instance = NULL;
+ free (ident->type);
+ ident->type = NULL;
+ free (ident->type_instance);
+ ident->type_instance = NULL;
+} /* }}} void ident_destroy */
+
+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 */
+
+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);
+
+ instance_destroy (cfg->instances);
+
+ graph_destroy (next);
+} /* }}} void graph_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
return (0);
} /* }}} int register_file */
-static int FIXME_graph_create_from_file (const graph_ident_t *file) /* {{{ */
+static int FIXME_graph_create_from_file (const graph_ident_t *file, /* {{{ */
+ const char *title)
{
graph_config_t *cfg;
cfg->select.type_instance = strdup (file->type_instance);
cfg->title = NULL;
+ if (title != NULL)
+ cfg->title = strdup (title);
cfg->vertical_label = NULL;
cfg->instances = NULL;
cfg->next = NULL;
ident.plugin_instance = ANY_TOKEN;
ident.type = "cpu";
ident.type_instance = ALL_TOKEN;
- FIXME_graph_create_from_file (&ident);
+ FIXME_graph_create_from_file (&ident, "CPU {instance} usage");
ident.plugin = "memory";
ident.plugin_instance = "";
ident.type = "memory";
- FIXME_graph_create_from_file (&ident);
+ FIXME_graph_create_from_file (&ident, "Memory usage");
ident.plugin = "swap";
ident.plugin_instance = "";
ident.type = "swap";
- FIXME_graph_create_from_file (&ident);
+ FIXME_graph_create_from_file (&ident, "Swap");
ident.plugin = ANY_TOKEN;
ident.plugin_instance = ANY_TOKEN;
ident.type = "ps_state";
- FIXME_graph_create_from_file (&ident);
+ FIXME_graph_create_from_file (&ident, "Processes");
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);
+ FIXME_graph_create_from_file (&ident, "CPU idle overview");
return (0);
} /* }}} int read_graph_config */
-
-
static int gl_compare (const void *p0, const void *p1) /* {{{ */
{
const graph_ident_t *gl0 = p0;
static void gl_clear (void) /* {{{ */
{
size_t i;
+ graph_config_t *cfg;
+
+ cfg = graph_config_head;
+ graph_config_head = NULL;
+ graph_destroy (cfg);
for (i = 0; i < graph_list_length; i++)
gl_clear_entry (graph_list + i);
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)
+{
+ 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);
+
+ file = ident_to_file (ident);
+ if (file == NULL)
+ {
+ GL_DEBUG ("gl_ident_get_rrdargs: ident_to_file returned NULL.\n");
+ return (-1);
+ }
+
+ GL_DEBUG ("gl_ident_get_rrdargs: file = %s;\n", file);
+
+ status = ds_list_from_rrd_file (file, &dses_num, &dses);
+ if (status != 0)
+ {
+ free (file);
+ return (status);
+ }
+
+ for (i = 0; i < dses_num; i++)
+ {
+ int index;
+
+ GL_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);
+
+ free (dses[i]);
+ }
+ free (dses);
+
+ free (file);
+
+ return (0);
+} /* }}} int gl_ident_get_rrdargs */
+
/*
* Global functions
*/
+char *ident_to_file (const graph_ident_t *ident) /* {{{ */
+{
+ char buffer[PATH_MAX];
+
+ buffer[0] = 0;
+
+ strlcat (buffer, DATA_DIR, sizeof (buffer));
+ strlcat (buffer, "/", sizeof (buffer));
+
+ strlcat (buffer, ident->host, sizeof (buffer));
+ strlcat (buffer, "/", sizeof (buffer));
+ strlcat (buffer, ident->plugin, sizeof (buffer));
+ if (ident->plugin_instance[0] != 0)
+ {
+ strlcat (buffer, "-", sizeof (buffer));
+ strlcat (buffer, ident->plugin_instance, sizeof (buffer));
+ }
+ strlcat (buffer, "/", sizeof (buffer));
+ strlcat (buffer, ident->type, sizeof (buffer));
+ if (ident->type_instance[0] != 0)
+ {
+ strlcat (buffer, "-", sizeof (buffer));
+ strlcat (buffer, ident->type_instance, sizeof (buffer));
+ }
+
+ strlcat (buffer, ".rrd", sizeof (buffer));
+
+ return (strdup (buffer));
+} /* }}} char *ident_to_file */
+
int gl_instance_get_params (graph_config_t *cfg, graph_instance_t *inst, /* {{{ */
char *buffer, size_t buffer_size)
{
cfg = graph_get_selected ();
if (cfg == NULL)
+ {
+ GL_DEBUG ("inst_get_selected: cfg == NULL;\n");
return (NULL);
+ }
if ((host == NULL)
|| (plugin == NULL) || (plugin_instance == NULL)
|| (type == NULL) || (type_instance == NULL))
+ {
+ GL_DEBUG ("inst_get_selected: A parameter is NULL.\n");
return (NULL);
+ }
for (inst = cfg->instances; inst != NULL; inst = inst->next)
{
return (inst);
}
+ GL_DEBUG ("inst_get_selected: No match found.\n");
return (NULL);
} /* }}} graph_instance_t *inst_get_selected */
if (callback == NULL)
return (EINVAL);
+ gl_update ();
+
for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
{
int status;
if ((host == NULL)
|| (plugin == NULL) || (plugin_instance == NULL)
|| (type == NULL) || (type_instance == NULL))
+ {
+ printf ("Content-Type: text/plain\n\n");
+ printf ("graph_get_selected(): A param is NULL.\n");
return (NULL);
+ }
+
+ gl_update ();
for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
{
return (cfg);
}
+ printf ("Content-Type: text/plain\n\n");
+ printf ("graph_get_selected(): No matching graph found.\n");
+
return (NULL);
} /* }}} graph_config_t *graph_get_selected */
{
graph_config_t *cfg;
+ gl_update ();
+
for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
{
graph_instance_t *inst;
return (0);
} /* }}} int gl_instance_get_all */
+int gl_instance_get_rrdargs (graph_config_t *cfg, /* {{{ */
+ graph_instance_t *inst,
+ str_array_t *args)
+{
+ size_t i;
+
+ if ((cfg == NULL) || (inst == NULL) || (args == NULL))
+ return (EINVAL);
+
+ if (cfg->title != NULL)
+ {
+ array_append (args, "-t");
+ array_append (args, cfg->title);
+ }
+
+ for (i = 0; i < inst->files_num; i++)
+ {
+ int status;
+
+ status = gl_ident_get_rrdargs (cfg, inst, inst->files + i, args);
+ if (status != 0)
+ return (status);
+ }
+
+ return (0);
+} /* }}} int gl_instance_get_rrdargs */
+
+/* DELETEME */
+
int gl_update (void) /* {{{ */
{
time_t now;
printf ("Content-Type: text/plain\n\n");
*/
- read_graph_config ();
-
now = time (NULL);
if ((gl_last_update + UPDATE_INTERVAL) >= now)
gl_clear ();
+ read_graph_config ();
+
memset (&gl, 0, sizeof (gl));
gl.host = NULL;
gl.plugin = NULL;