src/configfile.c: Pass the `oconfig_item_t' types to the plugins if they request it.

diff --git a/src/configfile.c b/src/configfile.c
index 4b6803e..f4e9c60 100644 (file)
--- a/src/configfile.c
+++ b/src/configfile.c
@@ -42,6 +42,13 @@ typedef struct cf_callback
        struct cf_callback *next;
 } cf_callback_t;
 
+typedef struct cf_complex_callback_s
+{
+       char *type;
+       int (*callback) (oconfig_item_t *);
+       struct cf_complex_callback_s *next;
+} cf_complex_callback_t;
+
 typedef struct cf_value_map_s
 {
        char *key;
@@ -65,6 +72,7 @@ static int dispatch_value_loadplugin (const oconfig_item_t *ci);
  * Private variables
  */
 static cf_callback_t *first_callback = NULL;
+static cf_complex_callback_t *complex_callback_head = NULL;
 
 static cf_value_map_t cf_value_map[] =
 {
@@ -257,21 +265,29 @@ static int dispatch_block_plugin (oconfig_item_t *ci)
        int i;
        char *name;
 
+       cf_complex_callback_t *cb;
+
        if (strcasecmp (ci->key, "Plugin") != 0)
                return (-1);
-       if (ci->values_num != 1)
+       if (ci->values_num < 1)
                return (-1);
        if (ci->values[0].type != OCONFIG_TYPE_STRING)
                return (-1);
 
        name = ci->values[0].value.string;
 
+       /* Check for a complex callback first */
+       for (cb = complex_callback_head; cb != NULL; cb = cb->next)
+               if (strcasecmp (name, cb->type) == 0)
+                       return (cb->callback (ci));
+
+       /* Hm, no complex plugin found. Dispatch the values one by one */
        for (i = 0; i < ci->children_num; i++)
        {
                if (ci->children[i].children == NULL)
                        dispatch_value_plugin (name, ci->children + i);
                else
-                       {DEBUG ("No nested config blocks allow for plugins. Yet.");}
+                       {DEBUG ("No nested config blocks allow for this plugin.");}
        }
 
        return (0);
@@ -347,6 +363,26 @@ void cf_unregister (const char *type)
                }
 } /* void cf_unregister */
 
+void cf_unregister_complex (const char *type)
+{
+       cf_complex_callback_t *this, *prev;
+
+       for (prev = NULL, this = complex_callback_head;
+                       this != NULL;
+                       prev = this, this = this->next)
+               if (strcasecmp (this->type, type) == 0)
+               {
+                       if (prev == NULL)
+                               complex_callback_head = this->next;
+                       else
+                               prev->next = this->next;
+
+                       sfree (this->type);
+                       sfree (this);
+                       break;
+               }
+} /* void cf_unregister */
+
 void cf_register (const char *type,
                int (*callback) (const char *, const char *),
                const char **keys, int keys_num)
@@ -369,6 +405,39 @@ void cf_register (const char *type,
        first_callback = cf_cb;
 } /* void cf_register */
 
+int cf_register_complex (const char *type, int (*callback) (oconfig_item_t *))
+{
+       cf_complex_callback_t *new;
+
+       new = (cf_complex_callback_t *) malloc (sizeof (cf_complex_callback_t));
+       if (new == NULL)
+               return (-1);
+
+       new->type = strdup (type);
+       if (new->type == NULL)
+       {
+               sfree (new);
+               return (-1);
+       }
+
+       new->callback = callback;
+       new->next = NULL;
+
+       if (complex_callback_head == NULL)
+       {
+               complex_callback_head = new;
+       }
+       else
+       {
+               cf_complex_callback_t *last = complex_callback_head;
+               while (last->next != NULL)
+                       last = last->next;
+               last->next = new;
+       }
+
+       return (0);
+} /* int cf_register_complex */
+
 int cf_read (char *filename)
 {
        oconfig_item_t *conf;

diff --git a/src/configfile.h b/src/configfile.h
index 0ee8f33..3952c18 100644 (file)
--- a/src/configfile.h
+++ b/src/configfile.h
@@ -1,3 +1,5 @@
+#ifndef CONFIGFILE_H
+#define CONFIGFILE_H
 /**
  * collectd - src/configfile.h
  * Copyright (C) 2005,2006  Florian octo Forster
@@ -20,8 +22,8 @@
  *   Florian octo Forster <octo at verplant.org>
  **/
 
-#ifndef CONFIGFILE_H
-#define CONFIGFILE_H
+#include "collectd.h"
+#include "liboconfig/oconfig.h"
 
 /*
  * DESCRIPTION
@@ -32,6 +34,7 @@
  *              `plugin_register'
  */
 void cf_unregister (const char *type);
+void cf_unregister_complex (const char *type);
 
 /*
  * DESCRIPTION
@@ -61,6 +64,8 @@ void cf_register (const char *type,
                int (*callback) (const char *, const char *),
                const char **keys, int keys_num);
 
+int cf_register_complex (const char *type, int (*callback) (oconfig_item_t *));
+
 /*
  * DESCRIPTION
  *  `cf_read' reads the config file `filename' and dispatches the read

diff --git a/src/plugin.c b/src/plugin.c
index da66204..6272581 100644 (file)
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -374,6 +374,12 @@ int plugin_register_config (const char *name,
        return (0);
 } /* int plugin_register_config */
 
+int plugin_register_complex_config (const char *type,
+               int (*callback) (oconfig_item_t *))
+{
+       return (cf_register_complex (type, callback));
+} /* int plugin_register_complex_config */
+
 int plugin_register_init (const char *name,
                int (*callback) (void))
 {
@@ -458,6 +464,12 @@ int plugin_unregister_config (const char *name)
        return (0);
 } /* int plugin_unregister_config */
 
+int plugin_unregister_complex_config (const char *name)
+{
+       cf_unregister_complex (name);
+       return (0);
+} /* int plugin_unregister_complex_config */
+
 int plugin_unregister_init (const char *name)
 {
        return (plugin_unregister (list_init, name));

diff --git a/src/plugin.h b/src/plugin.h
index 83c2109..72d8adb 100644 (file)
--- a/src/plugin.h
+++ b/src/plugin.h
@@ -1,9 +1,8 @@
 #ifndef PLUGIN_H
 #define PLUGIN_H
-
 /**
  * collectd - src/plugin.h
- * Copyright (C) 2005,2006  Florian octo Forster
+ * Copyright (C) 2005-2007  Florian octo Forster
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -22,6 +21,9 @@
  *   Florian octo Forster <octo at verplant.org>
  **/
 
+#include "collectd.h"
+#include "configfile.h"
+
 #define DATA_MAX_NAME_LEN 64
 
 #define DS_TYPE_COUNTER 0
@@ -143,6 +145,8 @@ void plugin_shutdown_all (void);
 int plugin_register_config (const char *name,
                int (*callback) (const char *key, const char *val),
                const char **keys, int keys_num);
+int plugin_register_complex_config (const char *type,
+               int (*callback) (oconfig_item_t *));
 int plugin_register_init (const char *name,
                int (*callback) (void));
 int plugin_register_read (const char *name,
@@ -156,6 +160,7 @@ int plugin_register_log (char *name,
                void (*callback) (int, const char *));
 
 int plugin_unregister_config (const char *name);
+int plugin_unregister_complex_config (const char *name);
 int plugin_unregister_init (const char *name);
 int plugin_unregister_read (const char *name);
 int plugin_unregister_write (const char *name);
@@ -163,6 +168,7 @@ int plugin_unregister_shutdown (const char *name);
 int plugin_unregister_data_set (const char *name);
 int plugin_unregister_log (const char *name);
 
+
 /*
  * NAME
  *  plugin_dispatch_values