gnsrecord.c File Reference

API to access GNS record data. More...

#include "gnunet_util_lib.h"
#include "gnunet_gnsrecord_lib.h"
#include "gnunet_gnsrecord_plugin.h"

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Data Structures
struct	Plugin
	Handle for a plugin. More...

Macros
#define	LOG(kind, ...)   GNUNET_log_from (kind, "gnsrecord", __VA_ARGS__)

Functions
static void	add_plugin (void *cls, const char *library_name, void *lib_ret)
	Add a plugin to the list managed by the block library.
static void	init ()
	Loads all plugins (lazy initialization).
void	GNSRECORD_fini (void)
void	__attribute__ ((destructor))
	Dual function to init().
char *	GNUNET_GNSRECORD_value_to_string (uint32_t type, const void *data, size_t data_size)
	Convert the 'value' of a record to a string.
int	GNUNET_GNSRECORD_string_to_value (uint32_t type, const char *s, void **data, size_t *data_size)
	Convert human-readable version of the value s of a record of type type to the respective binary representation.
uint32_t	GNUNET_GNSRECORD_typename_to_number (const char *dns_typename)
	Convert a type name (e.g.
const char *	GNUNET_GNSRECORD_number_to_typename (uint32_t type)
	Convert a type number to the corresponding type string (e.g.
enum GNUNET_GenericReturnValue	GNUNET_GNSRECORD_is_critical (uint32_t type)
	Check if this type is a critical record.

Variables
static struct Plugin **	gns_plugins
	Array of our plugins.
static unsigned int	num_plugins
	Size of the 'plugins' array.
static int	once
	Global to mark if we've run the initialization.

Detailed Description

API to access GNS record data.

Author

Martin Schanzenbach

Matthias Wachs

Christian Grothoff

Definition in file gnsrecord.c.

Macro Definition Documentation

LOG

#define LOG	(		kind,
			...
	)		GNUNET_log_from (kind, "gnsrecord", __VA_ARGS__)

Definition at line 32 of file gnsrecord.c.

Function Documentation

add_plugin()

static void add_plugin ( void *  cls, const char *  library_name, void *  lib_ret  )

static

Add a plugin to the list managed by the block library.

Parameters

cls	NULL
library_name	name of the plugin
lib_ret	the plugin API

Definition at line 76 of file gnsrecord.c.

{
  struct GNUNET_GNSRECORD_PluginFunctions *api = lib_ret;
  struct Plugin *plugin;
 
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Loading block plugin `%s'\n",
              library_name);
  plugin = GNUNET_new (struct Plugin);
  plugin->api = api;
  plugin->library_name = GNUNET_strdup (library_name);
  GNUNET_array_append (gns_plugins, num_plugins, plugin);
}

References Plugin::api, gns_plugins, GNUNET_array_append, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_new, GNUNET_strdup, Plugin::library_name, num_plugins, and plugin.

Referenced by init().

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init()

static void init ( )

static

Loads all plugins (lazy initialization).

Definition at line 97 of file gnsrecord.c.

{
  if (1 == once)
    return;
  once = 1;
  GNUNET_PLUGIN_load_all (GNUNET_OS_project_data_gnunet (),
                          "libgnunet_plugin_gnsrecord_",
                          NULL,
                          &add_plugin,
                          NULL);
}

References add_plugin(), GNUNET_OS_project_data_gnunet(), GNUNET_PLUGIN_load_all(), and once.

Referenced by GNUNET_GNSRECORD_is_critical(), GNUNET_GNSRECORD_number_to_typename(), GNUNET_GNSRECORD_string_to_value(), GNUNET_GNSRECORD_typename_to_number(), and GNUNET_GNSRECORD_value_to_string().

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GNSRECORD_fini()

void GNSRECORD_fini

(

void

)

__attribute__()

void __attribute__

(

(destructor)

)

Dual function to init().

Definition at line 117 of file gnsrecord.c.

{
  struct Plugin *plugin;
 
  for (unsigned int i = 0; i < num_plugins; i++)
  {
    plugin = gns_plugins[i];
    GNUNET_break (NULL ==
                  GNUNET_PLUGIN_unload (plugin->library_name,
                                        plugin->api));
    GNUNET_free (plugin->library_name);
    GNUNET_free (plugin);
  }
  GNUNET_free (gns_plugins);
  gns_plugins = NULL;
  once = 0;
  num_plugins = 0;
}

References gns_plugins, GNUNET_break, GNUNET_free, GNUNET_PLUGIN_unload(), num_plugins, once, and plugin.

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Variable Documentation

gns_plugins

struct Plugin** gns_plugins

static

Array of our plugins.

Definition at line 55 of file gnsrecord.c.

Referenced by __attribute__(), add_plugin(), GNUNET_GNSRECORD_is_critical(), GNUNET_GNSRECORD_number_to_typename(), GNUNET_GNSRECORD_string_to_value(), GNUNET_GNSRECORD_typename_to_number(), and GNUNET_GNSRECORD_value_to_string().

num_plugins

unsigned int num_plugins

static

Size of the 'plugins' array.

Definition at line 60 of file gnsrecord.c.

Referenced by __attribute__(), add_plugin(), GNUNET_GNSRECORD_is_critical(), GNUNET_GNSRECORD_number_to_typename(), GNUNET_GNSRECORD_string_to_value(), GNUNET_GNSRECORD_typename_to_number(), and GNUNET_GNSRECORD_value_to_string().

once

int once

static

Global to mark if we've run the initialization.

Definition at line 65 of file gnsrecord.c.

Referenced by __attribute__(), and init().