GNUnet  0.11.x
Data Structures | Macros | Functions | Variables
gnsrecord.c File Reference

API to access GNS record data. More...

#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_constants.h"
#include "gnunet_gnsrecord_lib.h"
#include "gnunet_gnsrecord_plugin.h"
#include "gnunet_tun_lib.h"
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Go to the source code of this file.

Data Structures

struct  Plugin
 Handle for a plugin. More...


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


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


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

Detailed Description

API to access GNS record data.

Martin Schanzenbach
Matthias Wachs
Christian Grothoff

Definition in file gnsrecord.c.

Macro Definition Documentation


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

Definition at line 35 of file gnsrecord.c.

Function Documentation

◆ add_plugin()

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

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

library_namename of the plugin
lib_retthe plugin API

Definition at line 79 of file gnsrecord.c.

82 {
83  struct GNUNET_GNSRECORD_PluginFunctions *api = lib_ret;
84  struct Plugin *plugin;
87  "Loading block plugin `%s'\n",
88  library_name);
89  plugin = GNUNET_new (struct Plugin);
90  plugin->api = api;
93 }
static unsigned int num_plugins
Size of the 'plugins' array.
Definition: gnsrecord.c:63
static struct Plugin ** gns_plugins
Array of our plugins.
Definition: gnsrecord.c:58
struct Plugin * plugin
The process handle to the testbed service.
#define GNUNET_log(kind,...)
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
#define GNUNET_array_append(arr, len, element)
Append an element to an array (growing the array by one).
Each plugin is required to return a pointer to a struct of this type as the return value from its ent...
Handle for a plugin.
Definition: block.c:38
struct GNUNET_BLOCK_PluginFunctions * api
Plugin API.
Definition: block.c:47
char * library_name
Name of the shared library.
Definition: block.c:42

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 ( )

Loads all plugins (lazy initialization).

Definition at line 100 of file gnsrecord.c.

101 {
102  if (1 == once)
103  return;
104  once = 1;
107  "libgnunet_plugin_gnsrecord_",
108  NULL,
109  &add_plugin,
110  NULL);
111 }
static void add_plugin(void *cls, const char *library_name, void *lib_ret)
Add a plugin to the list managed by the block library.
Definition: gnsrecord.c:79
static int once
Global to mark if we've run the initialization.
Definition: gnsrecord.c:68
const struct GNUNET_OS_ProjectData * GNUNET_OS_project_data_default(void)
Return default project data used by 'libgnunetutil' for GNUnet.
void GNUNET_PLUGIN_load_all_in_context(const struct GNUNET_OS_ProjectData *ctx, const char *basename, void *arg, GNUNET_PLUGIN_LoaderCallback cb, void *cb_cls)
Load all compatible plugins with the given base name while inside the given context (i....
Definition: plugin.c:443

References add_plugin(), GNUNET_OS_project_data_default(), GNUNET_PLUGIN_load_all_in_context(), and once.

Referenced by 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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◆ __attribute__()

void __attribute__ ( (destructor)  )

Dual function to init().

Definition at line 117 of file gnsrecord.c.

119 {
120  struct Plugin *plugin;
124  if (pd != dpd)
125  GNUNET_OS_init (dpd);
127  for (unsigned int i = 0; i < num_plugins; i++)
128  {
129  plugin = gns_plugins[i];
130  GNUNET_break (NULL ==
132  plugin->api));
135  }
138  if (pd != dpd)
139  GNUNET_OS_init (pd);
141  gns_plugins = NULL;
142  once = 0;
143  num_plugins = 0;
144 }
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur.
#define GNUNET_free(ptr)
Wrapper around free.
const struct GNUNET_OS_ProjectData * GNUNET_OS_project_data_get(void)
void GNUNET_OS_init(const struct GNUNET_OS_ProjectData *pd)
Setup OS subsystem with project data.
void * GNUNET_PLUGIN_unload(const char *library_name, void *arg)
Unload plugin (runs the "done" callback and returns whatever "done" returned).
Definition: plugin.c:269
Project-specific data used to help the OS subsystem find installation paths.

References Plugin::api, gns_plugins, GNUNET_break, GNUNET_free, GNUNET_OS_init(), GNUNET_OS_project_data_default(), GNUNET_OS_project_data_get(), GNUNET_PLUGIN_unload(), Plugin::library_name, num_plugins, once, and plugin.

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Variable Documentation

◆ gns_plugins

struct Plugin** gns_plugins

◆ num_plugins

unsigned int num_plugins

◆ once

int once

Global to mark if we've run the initialization.

Definition at line 68 of file gnsrecord.c.

Referenced by __attribute__(), conn_status(), crc_init(), GNUNET_CRYPTO_ecdsa_key_get_anonymous(), GNUNET_CRYPTO_hmac_raw(), init(), and task_check().