X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=graph_list.c;h=965fcbac4f6caad5913b9a0097dd2937ec773ffb;hb=7a6beaf075a32bfd93d314c00179f258c8e43ee5;hp=0e4428de2c3308096a8042da4e0e7b985ae5c95b;hpb=052657ddb5a25bf53e3ad4a0a5ec3c3afd48ec8c;p=collection4.git

diff --git a/graph_list.c b/graph_list.c
index 0e4428d..965fcba 100644
--- a/graph_list.c
+++ b/graph_list.c
@@ -1,379 +1,79 @@
 #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 "filesystem.h"
+#include "utils_params.h"
+
+#include <fcgiapp.h>
+#include <fcgi_stdio.h>
 
 /*
  * Defines
  */
 #define UPDATE_INTERVAL 10
 
-#define ANY_TOKEN "/any/"
-#define ALL_TOKEN "/all/"
-
-/*
- * Data types
- */
-struct graph_ident_s /* {{{ */
-{
-  char *host;
-  char *plugin;
-  char *plugin_instance;
-  char *type;
-  char *type_instance;
-}; /* }}} struct graph_ident_s */
-
-struct graph_instance_s;
-typedef struct graph_instance_s graph_instance_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;
-typedef struct graph_config_s graph_config_t;
-struct graph_config_s /* {{{ */
-{
-  graph_ident_t select;
-
-  char *title;
-  char *vertical_label;
-
-  graph_instance_t *instances;
-
-  graph_config_t *next;
-}; /* }}} struct graph_config_s */
-
 /*
  * Global variables
  */
-static graph_config_t *graph_config_head = NULL;
+static graph_config_t **gl_active = NULL;
+static size_t gl_active_num = 0;
+
+static graph_config_t **gl_staging = NULL;
+static size_t gl_staging_num = 0;
 
-static graph_ident_t *graph_list = NULL;
-static size_t graph_list_length = 0;
 static time_t gl_last_update = 0;
 
 /*
  * Private functions
  */
-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;
-
-    printf ("    File \"%s/%s-%s/%s-%s\"\n",
-        file->host,
-        file->plugin, file->plugin_instance,
-        file->type, file->type_instance);
-  }
-
-  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)
-  {
-    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);
-
-    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)
-  {
-    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);
-
-    print_instances (cfg);
-  }
-
-  return (0);
-} /* }}} int print_graphs */
-
-
-/* "Safe" version of strcmp(3): Either or both pointers may be NULL. */
-static int strcmp_s (const char *s1, const char *s2) /* {{{ */
-{
-  if ((s1 == NULL) && (s2 == NULL))
-    return (0);
-  else if (s1 == NULL)
-    return (1);
-  else if (s2 == NULL)
-    return (-1);
-  assert ((s1 != NULL) && (s2 != NULL));
-
-  return (strcmp (s1, s2));
-} /* }}} int strcmp_s */
-
-static _Bool part_matches (const char *sel, const char *val) /* {{{ */
-{
-  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)
+int gl_add_graph_internal (graph_config_t *cfg, /* {{{ */
+    graph_config_t ***gl_array, size_t *gl_array_num)
 {
-  if ((sel == NULL) && (val == NULL))
-    return (0);
-  else if (sel == NULL)
-    return (-1);
-  else if (val == NULL)
-    return (1);
-
-  if (!part_matches (sel->host, val->host))
-    return (0);
-
-  if (!part_matches (sel->plugin, val->plugin))
-    return (0);
-
-  if (!part_matches (sel->plugin_instance, val->plugin_instance))
-    return (0);
-
-  if (!part_matches (sel->type, val->type))
-    return (0);
-
-  if (!part_matches (sel->type_instance, val->type_instance))
-    return (0);
-
-  return (1);
-} /* }}} _Bool ident_compare */
-
-/*
- * 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)
-{
-  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.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->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;
-  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_num++;
-
-  return (0);
-} /* }}} int instance_add_file */
-
-static graph_instance_t *graph_find_instance (graph_config_t *cfg, /* {{{ */
-    const graph_ident_t *file)
-{
-  graph_instance_t *i;
-
-  if ((cfg == NULL) || (file == NULL))
-    return (NULL);
-
-  for (i = cfg->instances; i != NULL; i = i->next)
-    if (file_matches (&i->select, file))
-      return (i);
-
-  return (NULL);
-} /* }}} graph_instance_t *graph_find_instance */
-
-static int graph_add_file (graph_config_t *cfg, const graph_ident_t *file) /* {{{ */
-{
-  graph_instance_t *inst;
-
-  inst = graph_find_instance (cfg, file);
-  if (inst == NULL)
-  {
-    inst = instance_create (cfg, file);
-    if (inst == NULL)
-      return (ENOMEM);
-  }
+  graph_config_t **tmp;
 
-  return (instance_add_file (inst, file));
-} /* }}} int graph_add_file */
-
-static int graph_append (graph_config_t *cfg) /* {{{ */
-{
-  graph_config_t *last;
+#define ARRAY_PTR  (*gl_array)
+#define ARRAY_SIZE (*gl_array_num)
 
   if (cfg == NULL)
     return (EINVAL);
 
-  if (graph_config_head == NULL)
-  {
-    graph_config_head = cfg;
-    return (0);
-  }
-
-  last = graph_config_head;
-  while (last->next != NULL)
-    last = last->next;
-
-  last->next = cfg;
-
-  return (0);
-} /* }}} int graph_append */
-
-static int graph_create_from_file (const graph_ident_t *file) /* {{{ */
-{
-  graph_config_t *cfg;
-
-  cfg = malloc (sizeof (*cfg));
-  if (cfg == NULL)
+  tmp = realloc (ARRAY_PTR, sizeof (*ARRAY_PTR) * (ARRAY_SIZE + 1));
+  if (tmp == NULL)
     return (ENOMEM);
-  memset (cfg, 0, sizeof (*cfg));
+  ARRAY_PTR = tmp;
 
-  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);
+  ARRAY_PTR[ARRAY_SIZE] = cfg;
+  ARRAY_SIZE++;
 
-  cfg->title = NULL;
-  cfg->vertical_label = NULL;
-  cfg->instances = NULL;
-  cfg->next = NULL;
+#undef ARRAY_SIZE
+#undef ARRAY_PTR
 
-  graph_append (cfg);
-
-  return (graph_add_file (cfg, file));
-} /* }}} int graph_create_from_file */
+  return (0);
+} /* }}} int gl_add_graph_internal */
 
-static int register_file (const graph_ident_t *file) /* {{{ */
+static int gl_register_file (const graph_ident_t *file, /* {{{ */
+    __attribute__((unused)) void *user_data)
 {
   graph_config_t *cfg;
   int num_graphs = 0;
+  size_t i;
 
-  for (cfg = graph_config_head; cfg != NULL; cfg = cfg->next)
+  for (i = 0; i < gl_active_num; i++)
   {
+    graph_config_t *cfg = gl_active[i];
     int status;
 
-    if (!file_matches (&cfg->select, file))
+    if (!graph_matches (cfg, file))
       continue;
 
     status = graph_add_file (cfg, file);
@@ -388,342 +88,200 @@ static int register_file (const graph_ident_t *file) /* {{{ */
   }
 
   if (num_graphs == 0)
-    graph_create_from_file (file);
+  {
+    cfg = graph_create (file);
+    gl_add_graph_internal (cfg, &gl_active, &gl_active_num);
+    graph_add_file (cfg, file);
+  }
 
   return (0);
-} /* }}} int register_file */
+} /* }}} int gl_register_file */
 
-static int FIXME_graph_create_from_file (const graph_ident_t *file) /* {{{ */
+static const char *get_part_from_param (const char *prim_key, /* {{{ */
+    const char *sec_key)
 {
-  graph_config_t *cfg;
+  const char *val;
 
-  cfg = malloc (sizeof (*cfg));
-  if (cfg == NULL)
-    return (ENOMEM);
-  memset (cfg, 0, sizeof (*cfg));
+  val = param (prim_key);
+  if (val != NULL)
+    return (val);
+  
+  return (param (sec_key));
+} /* }}} const char *get_part_from_param */
 
-  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) /* {{{ */
+static int gl_clear_instances (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);
+  size_t i;
 
-  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);
+  for (i = 0; i < gl_active_num; i++)
+    graph_clear_instances (gl_active[i]);
 
   return (0);
-} /* }}} int read_graph_config */
+} /* }}} int gl_clear_instances */
 
 
-
-static int gl_compare (const void *p0, const void *p1) /* {{{ */
+/*
+ * Global functions
+ */
+int gl_add_graph (graph_config_t *cfg) /* {{{ */
 {
-  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 (gl_add_graph_internal (cfg, &gl_staging, &gl_staging_num));
+} /* }}} int gl_add_graph */
 
-  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) /* {{{ */
+int gl_config_submit (void) /* {{{ */
 {
+  graph_config_t **old;
+  size_t old_num;
   size_t i;
 
-  for (i = 0; i < graph_list_length; i++)
-    gl_clear_entry (graph_list + i);
+  old = gl_active;
+  old_num = gl_active_num;
 
-  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;
+  gl_active = gl_staging;
+  gl_active_num = gl_staging_num;
 
-  if (gl == NULL)
-    return (EINVAL);
+  gl_staging = NULL;
+  gl_staging_num = 0;
 
-  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
+  for (i = 0; i < old_num; i++)
   {
-    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);
+    graph_destroy (old[i]);
+    old[i] = NULL;
   }
+  free (old);
 
-  graph_list_length++;
   return (0);
-} /* }}} int gl_add_copy */
+} /* }}} int graph_config_submit */
 
-static int callback_type (const char *type, void *user_data) /* {{{ */
+int gl_graph_get_all (gl_cfg_callback callback, /* {{{ */
+    void *user_data)
 {
-  graph_ident_t *gl;
-  int status;
-
-  if ((type == NULL) || (user_data == NULL))
-    return (EINVAL);
+  size_t i;
 
-  gl = user_data;
-  if ((gl->type != NULL) || (gl->type_instance != NULL))
+  if (callback == NULL)
     return (EINVAL);
 
-  gl->type = strdup (type);
-  if (gl->type == NULL)
-    return (ENOMEM);
+  gl_update ();
 
-  gl->type_instance = strchr (gl->type, '-');
-  if (gl->type_instance != NULL)
-  {
-    *gl->type_instance = 0;
-    gl->type_instance++;
-  }
-  else
+  for (i = 0; i < gl_active_num; i++)
   {
-    gl->type_instance = gl->type + strlen (gl->type);
-  }
-
-  register_file (gl);
-
-  status = gl_add_copy (gl);
+    int status;
 
-  free (gl->type);
-  gl->type = NULL;
-  gl->type_instance = NULL;
+    status = (*callback) (gl_active[i], user_data);
+    if (status != 0)
+      return (status);
+  }
 
-  return (status);
-} /* }}} int callback_type */
+  return (0);
+} /* }}} int gl_graph_get_all */
 
-static int callback_plugin (const char *plugin, void *user_data) /* {{{ */
+graph_config_t *gl_graph_get_selected (void) /* {{{ */
 {
-  graph_ident_t *gl;
-  int status;
+  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;
+  size_t i;
 
-  if ((plugin == NULL) || (user_data == NULL))
-    return (EINVAL);
+  if ((host == NULL)
+      || (plugin == NULL) || (plugin_instance == NULL)
+      || (type == NULL) || (type_instance == NULL))
+    return (NULL);
 
-  gl = user_data;
-  if ((gl->plugin != NULL) || (gl->plugin_instance != NULL))
-    return (EINVAL);
+  ident = ident_create (host, plugin, plugin_instance, type, type_instance);
 
-  gl->plugin = strdup (plugin);
-  if (gl->plugin == NULL)
-    return (ENOMEM);
+  gl_update ();
 
-  gl->plugin_instance = strchr (gl->plugin, '-');
-  if (gl->plugin_instance != NULL)
-  {
-    *gl->plugin_instance = 0;
-    gl->plugin_instance++;
-  }
-  else
+  for (i = 0; i < gl_active_num; i++)
   {
-    gl->plugin_instance = gl->plugin + strlen (gl->plugin);
+    if (graph_compare (gl_active[i], ident) != 0)
+      continue;
+
+    ident_destroy (ident);
+    return (gl_active[i]);
   }
 
-  status = foreach_type (gl->host, plugin, callback_type, gl);
+  ident_destroy (ident);
+  return (NULL);
+} /* }}} graph_config_t *gl_graph_get_selected */
 
-  free (gl->plugin);
-  gl->plugin = NULL;
-  gl->plugin_instance = NULL;
+/* 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 */
 
-  return (status);
-} /* }}} int callback_plugin */
+static int gl_inst_callback_handler (graph_instance_t *inst, /* {{{ */
+    void *user_data)
+{
+  struct gl_inst_callback_data *data = user_data;
 
-static int callback_host (const char *host, void *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_ident_t *gl;
-  int status;
+  struct gl_inst_callback_data data =
+  {
+    cfg,
+    callback,
+    user_data
+  };
 
-  if ((host == NULL) || (user_data == NULL))
+  if ((cfg == NULL) || (callback == NULL))
     return (EINVAL);
 
-  gl = user_data;
-  if (gl->host != NULL)
-    return (EINVAL);
+  return (inst_foreach (graph_get_instances (cfg),
+        gl_inst_callback_handler, &data));
+} /* }}} int gl_graph_instance_get_all */
 
-  gl->host = strdup (host);
-  if (gl->host == NULL)
-    return (ENOMEM);
+int gl_instance_get_all (gl_inst_callback callback, /* {{{ */
+    void *user_data)
+{
+  size_t i;
 
-  status =  foreach_plugin (host, callback_plugin, gl);
+  gl_update ();
 
-  free (gl->host);
-  gl->host = NULL;
+  for (i = 0; i < gl_active_num; i++)
+  {
+    int status;
 
-  return (status);
-} /* }}} int callback_host */
+    status = gl_graph_instance_get_all (gl_active[i], callback, user_data);
+    if (status != 0)
+      return (status);
+  }
+
+  return (0);
+} /* }}} int gl_instance_get_all */
+/* }}} gl_instance_get_all, gl_graph_instance_get_all */
 
-/*
- * Global functions
- */
 int gl_update (void) /* {{{ */
 {
   time_t now;
-  graph_ident_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 ();
-
-  memset (&gl, 0, sizeof (gl));
-  gl.host = NULL;
-  gl.plugin = NULL;
-  gl.plugin_instance = NULL;
-  gl.type = NULL;
-  gl.type_instance = NULL;
+  graph_read_config ();
 
-  status = foreach_host (callback_host, &gl);
+  gl_clear_instances ();
+  status = fs_scan (/* callback = */ gl_register_file, /* user data = */ NULL);
 
-  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 : */