namecache for the GNUnet naming system More...

#include "gnunet_util_lib.h"
#include "gnunet_statistics_service.h"
#include "gnunet_namecache_plugin.h"
#include "namecache.h"

Include dependency graph for gnunet-service-namecache.c:

Go to the source code of this file.

Data Structures
struct	NamecacheClient
	A namecache client. More...

struct	LookupBlockContext
	Context for name lookups passed from handle_lookup_block to handle_lookup_block_it as closure. More...

Macros
#define	LOG_STRERROR_FILE(kind, syscall, filename)

Functions
static void	cleanup_task (void *cls)
	Task run during shutdown.

static void	client_disconnect_cb (void cls, struct GNUNET_SERVICE_Client client, void *app_ctx)
	Called whenever a client is disconnected.

static void *	client_connect_cb (void cls, struct GNUNET_SERVICE_Client client, struct GNUNET_MQ_Handle *mq)
	Add a client to our list of active clients.

static void	handle_lookup_block_it (void cls, const struct GNUNET_GNSRECORD_Block block)
	A GNUNET_NAMECACHE_BlockCallback for name lookups in handle_lookup_block.

static void	handle_lookup_block (void cls, const struct LookupBlockMessage ln_msg)
	Handles a GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK message.

static int	check_block_cache (void cls, const struct BlockCacheMessage rp_msg)
	Check a GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE message.

static void	handle_block_cache (void cls, const struct BlockCacheMessage rp_msg)
	Handles a GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE message.

static void	run (void cls, const struct GNUNET_CONFIGURATION_Handle cfg, struct GNUNET_SERVICE_Handle *service)
	Process namecache requests.

	GNUNET_SERVICE_MAIN (GNUNET_OS_project_data_gnunet(), "namecache", GNUNET_SERVICE_OPTION_NONE, &run, &client_connect_cb, &client_disconnect_cb, NULL, GNUNET_MQ_hd_fixed_size(lookup_block, GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK, struct LookupBlockMessage, NULL), GNUNET_MQ_hd_var_size(block_cache, GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE, struct BlockCacheMessage, NULL), GNUNET_MQ_handler_end())
	Define "main" method using service macro.

Variables
static const struct GNUNET_CONFIGURATION_Handle *	GSN_cfg
	Configuration handle.

static struct GNUNET_STATISTICS_Handle *	statistics
	Handle to the statistics service.

static struct GNUNET_NAMECACHE_PluginFunctions *	GSN_database
	Database handle.

static char *	db_lib_name
	Name of the database plugin.

Detailed Description

namecache for the GNUnet naming system

Author: Matthias Wachs; Christian Grothoff

Definition in file gnunet-service-namecache.c.

Macro Definition Documentation

◆ LOG_STRERROR_FILE

#define LOG_STRERROR_FILE	(	kind,
		syscall,
		filename
	)

Value:

                                                                   GNUNET_log_from_strerror_file (kind, "util", \
                                                                   syscall, \
                                                                   filename)

Definition at line 32 of file gnunet-service-namecache.c.

{
  struct GNUNET_SERVICE_Client *client;
 
  struct GNUNET_MQ_Handle *mq;
};
 
 
static const struct GNUNET_CONFIGURATION_Handle *GSN_cfg;
 
static struct GNUNET_STATISTICS_Handle *statistics;
 
static struct GNUNET_NAMECACHE_PluginFunctions *GSN_database;
 
static char *db_lib_name;
 
 
static void
cleanup_task (void *cls)
{
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Stopping namecache service\n");
  GNUNET_break (NULL ==
                GNUNET_PLUGIN_unload (db_lib_name,
                                      GSN_database));
  GNUNET_free (db_lib_name);
  db_lib_name = NULL;
  if (NULL != statistics)
  {
    GNUNET_STATISTICS_destroy (statistics,
                               GNUNET_NO);
    statistics = NULL;
  }
}
 
 
static void
client_disconnect_cb (void *cls,
                      struct GNUNET_SERVICE_Client *client,
                      void *app_ctx)
{
  struct NamecacheClient *nc = app_ctx;
 
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Client %p disconnected\n",
              client);
  GNUNET_free (nc);
}
 
 
static void *
client_connect_cb (void *cls,
                   struct GNUNET_SERVICE_Client *client,
                   struct GNUNET_MQ_Handle *mq)
{
  struct NamecacheClient *nc;
 
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Client %p connected\n",
              client);
  nc = GNUNET_new (struct NamecacheClient);
  nc->client = client;
  nc->mq = mq;
  return nc;
}
 
 
struct LookupBlockContext
{
  struct NamecacheClient *nc;
 
  uint32_t request_id;
 
  int status;
};
 
 
static void
handle_lookup_block_it (void *cls,
                        const struct GNUNET_GNSRECORD_Block *block)
{
  struct LookupBlockContext *lnc = cls;
  struct GNUNET_MQ_Envelope *env;
  struct LookupBlockResponseMessage *r;
  size_t bsize;
 
  bsize = GNUNET_GNSRECORD_block_get_size (block);
  env = GNUNET_MQ_msg_extra (r,
                             bsize,
                             GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK_RESPONSE);
  r->gns_header.r_id = htonl (lnc->request_id);
  GNUNET_memcpy (&r[1],
                 block,
                 bsize);
  GNUNET_STATISTICS_update (statistics,
                            "blocks found in cache",
                            1,
                            GNUNET_NO);
  r->expire = GNUNET_TIME_absolute_hton (
    GNUNET_GNSRECORD_block_get_expiration (block));
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Sending NAMECACHE_LOOKUP_BLOCK_RESPONSE message\n");
  GNUNET_MQ_send (lnc->nc->mq,
                  env);
}
 
 
static void
handle_lookup_block (void *cls,
                     const struct LookupBlockMessage *ln_msg)
{
  struct NamecacheClient *nc = cls;
  struct GNUNET_MQ_Envelope *env;
  struct LookupBlockContext lnc;
  struct LookupBlockResponseMessage *zir_end;
  int ret;
 
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Received NAMECACHE_LOOKUP_BLOCK message\n");
  GNUNET_STATISTICS_update (statistics,
                            "blocks looked up",
                            1,
                            GNUNET_NO);
  lnc.request_id = ntohl (ln_msg->gns_header.r_id);
  lnc.nc = nc;
  lnc.status = GNUNET_OK;
  if (GNUNET_SYSERR ==
      (ret = GSN_database->lookup_block (GSN_database->cls,
                                         &ln_msg->query,
                                         &handle_lookup_block_it,
                                         &lnc)))
  {
    /* internal error (in database plugin); might be best to just hang up on
       plugin rather than to signal that there are 'no' results, which
       might also be false... */
    GNUNET_break (0);
    GNUNET_SERVICE_client_drop (nc->client);
    return;
  }
  if ((0 == ret) || (GNUNET_SYSERR == lnc.status))
  {
    /* no records match at all, generate empty response */
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Sending empty NAMECACHE_LOOKUP_BLOCK_RESPONSE message\n");
    env = GNUNET_MQ_msg (zir_end,
                         GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK_RESPONSE);
    zir_end->gns_header.r_id = ln_msg->gns_header.r_id;
    GNUNET_MQ_send (nc->mq,
                    env);
  }
  GNUNET_SERVICE_client_continue (nc->client);
}
 
 
static int
check_block_cache (void *cls,
                   const struct BlockCacheMessage *rp_msg)
{
  return GNUNET_OK;
}
 
 
static void
handle_block_cache (void *cls,
                    const struct BlockCacheMessage *rp_msg)
{
  struct NamecacheClient *nc = cls;
  struct GNUNET_MQ_Envelope *env;
  struct BlockCacheResponseMessage *rpr_msg;
  struct GNUNET_GNSRECORD_Block *block;
  size_t esize;
  int res;
 
  GNUNET_STATISTICS_update (statistics,
                            "blocks cached",
                            1,
                            GNUNET_NO);
  esize = ntohs (rp_msg->gns_header.header.size) - sizeof(struct
                                                          BlockCacheMessage);
  block = GNUNET_malloc (esize);
  memcpy (block, &rp_msg[1], esize);
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Received NAMECACHE_BLOCK_CACHE message with type %u\n",
              htonl (block->type));
  res = GSN_database->cache_block (GSN_database->cls,
                                   block);
  GNUNET_free (block);
  env = GNUNET_MQ_msg (rpr_msg,
                       GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE_RESPONSE);
  rpr_msg->gns_header.r_id = rp_msg->gns_header.r_id;
  rpr_msg->op_result = htonl (res);
  GNUNET_MQ_send (nc->mq,
                  env);
  GNUNET_SERVICE_client_continue (nc->client);
}
 
 
static void
run (void *cls,
     const struct GNUNET_CONFIGURATION_Handle *cfg,
     struct GNUNET_SERVICE_Handle *service)
{
  char *database;
 
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Starting namecache service\n");
  GSN_cfg = cfg;
 
  /* Loading database plugin */
  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_string (cfg,
                                             "namecache",
                                             "database",
                                             &database))
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "No database backend configured\n");
 
  GNUNET_asprintf (&db_lib_name,
                   "libgnunet_plugin_namecache_%s",
                   database);
  GSN_database = GNUNET_PLUGIN_load (GNUNET_OS_project_data_gnunet (),
                                     db_lib_name,
                                     (void *) GSN_cfg);
  GNUNET_free (database);
  if (NULL == GSN_database)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Could not load database backend `%s'\n",
                db_lib_name);
    GNUNET_SCHEDULER_add_now (&cleanup_task,
                              NULL);
    return;
  }
  statistics = GNUNET_STATISTICS_create ("namecache",
                                         cfg);
 
  /* Configuring server handles */
  GNUNET_SCHEDULER_add_shutdown (&cleanup_task,
                                 NULL);
}
 
 
GNUNET_SERVICE_MAIN
(GNUNET_OS_project_data_gnunet(),
 "namecache",
  GNUNET_SERVICE_OPTION_NONE,
  &run,
  &client_connect_cb,
  &client_disconnect_cb,
  NULL,
  GNUNET_MQ_hd_fixed_size (lookup_block,
                           GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK,
                           struct LookupBlockMessage,
                           NULL),
  GNUNET_MQ_hd_var_size (block_cache,
                         GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE,
                         struct BlockCacheMessage,
                         NULL),
  GNUNET_MQ_handler_end ());
 
 
/* end of gnunet-service-namecache.c */

Function Documentation

◆ cleanup_task()

static void cleanup_task ( void * cls )

static

Task run during shutdown.

Parameters

cls unused

Definition at line 82 of file gnunet-service-namecache.c.

{
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Stopping namecache service\n");
  GNUNET_break (NULL ==
                GNUNET_PLUGIN_unload (db_lib_name,
                                      GSN_database));
  GNUNET_free (db_lib_name);
  db_lib_name = NULL;
  if (NULL != statistics)
  {
    GNUNET_STATISTICS_destroy (statistics,
                               GNUNET_NO);
    statistics = NULL;
  }
}

References db_lib_name, GNUNET_break, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, GNUNET_NO, GNUNET_PLUGIN_unload(), GNUNET_STATISTICS_destroy(), GSN_database, and statistics.

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◆ client_disconnect_cb()

static void client_disconnect_cb	(	void *	cls,
		struct GNUNET_SERVICE_Client *	client,
		void *	app_ctx
	)

static

Called whenever a client is disconnected.

Frees our resources associated with that client.

Parameters

cls	closure
client	identification of the client
app_ctx	the `struct NamecacheClient` for this client

Definition at line 109 of file gnunet-service-namecache.c.

{
  struct NamecacheClient *nc = app_ctx;
 
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Client %p disconnected\n",
              client);
  GNUNET_free (nc);
}

References NamecacheClient::client, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, and nc.

◆ client_connect_cb()

static void * client_connect_cb	(	void *	cls,
		struct GNUNET_SERVICE_Client *	client,
		struct GNUNET_MQ_Handle *	mq
	)

static

Add a client to our list of active clients.

Parameters

cls	NULL
client	client to add
mq	queue to talk to client

Returns: internal namecache client structure for this client

Definition at line 131 of file gnunet-service-namecache.c.

{
  struct NamecacheClient *nc;
 
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Client %p connected\n",
              client);
  nc = GNUNET_new (struct NamecacheClient);
  nc->client = client;
  nc->mq = mq;
  return nc;
}

References NamecacheClient::client, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_new, mq, and nc.

◆ handle_lookup_block_it()

static void handle_lookup_block_it	(	void *	cls,
		const struct GNUNET_GNSRECORD_Block *	block
	)

static

A GNUNET_NAMECACHE_BlockCallback for name lookups in handle_lookup_block.

Parameters

cls	a `struct LookupNameContext *` with information about the request
block	the block

Definition at line 177 of file gnunet-service-namecache.c.

{
  struct LookupBlockContext *lnc = cls;
  struct GNUNET_MQ_Envelope *env;
  struct LookupBlockResponseMessage *r;
  size_t bsize;
 
  bsize = GNUNET_GNSRECORD_block_get_size (block);
  env = GNUNET_MQ_msg_extra (r,
                             bsize,
                             GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK_RESPONSE);
  r->gns_header.r_id = htonl (lnc->request_id);
  GNUNET_memcpy (&r[1],
                 block,
                 bsize);
  GNUNET_STATISTICS_update (statistics,
                            "blocks found in cache",
                            1,
                            GNUNET_NO);
  r->expire = GNUNET_TIME_absolute_hton (
    GNUNET_GNSRECORD_block_get_expiration (block));
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Sending NAMECACHE_LOOKUP_BLOCK_RESPONSE message\n");
  GNUNET_MQ_send (lnc->nc->mq,
                  env);
}

References bsize, env, LookupBlockResponseMessage::expire, LookupBlockResponseMessage::gns_header, GNUNET_ERROR_TYPE_DEBUG, GNUNET_GNSRECORD_block_get_expiration(), GNUNET_GNSRECORD_block_get_size(), GNUNET_log, GNUNET_memcpy, GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK_RESPONSE, GNUNET_MQ_msg_extra, GNUNET_MQ_send(), GNUNET_NO, GNUNET_STATISTICS_update(), GNUNET_TIME_absolute_hton(), NamecacheClient::mq, LookupBlockContext::nc, GNUNET_NAMECACHE_Header::r_id, LookupBlockContext::request_id, and statistics.

Referenced by handle_lookup_block().

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◆ handle_lookup_block()

static void handle_lookup_block	(	void *	cls,
		const struct LookupBlockMessage *	ln_msg
	)

static

Handles a GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK message.

Parameters

cls	a `struct NamecacheClient *`
ln_msg	the inbound message

Definition at line 213 of file gnunet-service-namecache.c.

{
  struct NamecacheClient *nc = cls;
  struct GNUNET_MQ_Envelope *env;
  struct LookupBlockContext lnc;
  struct LookupBlockResponseMessage *zir_end;
  int ret;
 
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Received NAMECACHE_LOOKUP_BLOCK message\n");
  GNUNET_STATISTICS_update (statistics,
                            "blocks looked up",
                            1,
                            GNUNET_NO);
  lnc.request_id = ntohl (ln_msg->gns_header.r_id);
  lnc.nc = nc;
  lnc.status = GNUNET_OK;
  if (GNUNET_SYSERR ==
      (ret = GSN_database->lookup_block (GSN_database->cls,
                                         &ln_msg->query,
                                         &handle_lookup_block_it,
                                         &lnc)))
  {
    /* internal error (in database plugin); might be best to just hang up on
       plugin rather than to signal that there are 'no' results, which
       might also be false... */
    GNUNET_break (0);
    GNUNET_SERVICE_client_drop (nc->client);
    return;
  }
  if ((0 == ret) || (GNUNET_SYSERR == lnc.status))
  {
    /* no records match at all, generate empty response */
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Sending empty NAMECACHE_LOOKUP_BLOCK_RESPONSE message\n");
    env = GNUNET_MQ_msg (zir_end,
                         GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK_RESPONSE);
    zir_end->gns_header.r_id = ln_msg->gns_header.r_id;
    GNUNET_MQ_send (nc->mq,
                    env);
  }
  GNUNET_SERVICE_client_continue (nc->client);
}

References GNUNET_NAMECACHE_PluginFunctions::cls, env, LookupBlockMessage::gns_header, LookupBlockResponseMessage::gns_header, GNUNET_break, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK_RESPONSE, GNUNET_MQ_msg, GNUNET_MQ_send(), GNUNET_NO, GNUNET_OK, GNUNET_SERVICE_client_continue(), GNUNET_SERVICE_client_drop(), GNUNET_STATISTICS_update(), GNUNET_SYSERR, GSN_database, handle_lookup_block_it(), GNUNET_NAMECACHE_PluginFunctions::lookup_block, nc, LookupBlockContext::nc, LookupBlockMessage::query, GNUNET_NAMECACHE_Header::r_id, LookupBlockContext::request_id, ret, statistics, and LookupBlockContext::status.

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◆ check_block_cache()

static int check_block_cache	(	void *	cls,
		const struct BlockCacheMessage *	rp_msg
	)

static

Check a GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE message.

Parameters

cls	our `struct NamecacheClient`
rp_msg	message to process

Returns: GNUNET_OK (always fine)

Definition at line 267 of file gnunet-service-namecache.c.

{
  return GNUNET_OK;
}

References GNUNET_OK.

◆ handle_block_cache()

static void handle_block_cache	(	void *	cls,
		const struct BlockCacheMessage *	rp_msg
	)

static

Handles a GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE message.

Parameters

cls	our `struct NamecacheClient`
rp_msg	message to process

Definition at line 281 of file gnunet-service-namecache.c.

{
  struct NamecacheClient *nc = cls;
  struct GNUNET_MQ_Envelope *env;
  struct BlockCacheResponseMessage *rpr_msg;
  struct GNUNET_GNSRECORD_Block *block;
  size_t esize;
  int res;
 
  GNUNET_STATISTICS_update (statistics,
                            "blocks cached",
                            1,
                            GNUNET_NO);
  esize = ntohs (rp_msg->gns_header.header.size) - sizeof(struct
                                                          BlockCacheMessage);
  block = GNUNET_malloc (esize);
  memcpy (block, &rp_msg[1], esize);
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Received NAMECACHE_BLOCK_CACHE message with type %u\n",
              htonl (block->type));
  res = GSN_database->cache_block (GSN_database->cls,
                                   block);
  GNUNET_free (block);
  env = GNUNET_MQ_msg (rpr_msg,
                       GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE_RESPONSE);
  rpr_msg->gns_header.r_id = rp_msg->gns_header.r_id;
  rpr_msg->op_result = htonl (res);
  GNUNET_MQ_send (nc->mq,
                  env);
  GNUNET_SERVICE_client_continue (nc->client);
}

References GNUNET_NAMECACHE_PluginFunctions::cache_block, GNUNET_NAMECACHE_PluginFunctions::cls, env, BlockCacheMessage::gns_header, BlockCacheResponseMessage::gns_header, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, GNUNET_malloc, GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE_RESPONSE, GNUNET_MQ_msg, GNUNET_MQ_send(), GNUNET_NO, GNUNET_SERVICE_client_continue(), GNUNET_STATISTICS_update(), GSN_database, GNUNET_NAMECACHE_Header::header, nc, BlockCacheResponseMessage::op_result, GNUNET_NAMECACHE_Header::r_id, res, GNUNET_MessageHeader::size, statistics, and GNUNET_GNSRECORD_Block::type.

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◆ run()

static void run	(	void *	cls,
		const struct GNUNET_CONFIGURATION_Handle *	cfg,
		struct GNUNET_SERVICE_Handle *	service
	)

static

Process namecache requests.

Parameters

cls	closure
cfg	configuration to use
service	the initialized service

Definition at line 323 of file gnunet-service-namecache.c.

{
  char *database;
 
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Starting namecache service\n");
  GSN_cfg = cfg;
 
  /* Loading database plugin */
  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_string (cfg,
                                             "namecache",
                                             "database",
                                             &database))
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "No database backend configured\n");
 
  GNUNET_asprintf (&db_lib_name,
                   "libgnunet_plugin_namecache_%s",
                   database);
  GSN_database = GNUNET_PLUGIN_load (GNUNET_OS_project_data_gnunet (),
                                     db_lib_name,
                                     (void *) GSN_cfg);
  GNUNET_free (database);
  if (NULL == GSN_database)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Could not load database backend `%s'\n",
                db_lib_name);
    GNUNET_SCHEDULER_add_now (&cleanup_task,
                              NULL);
    return;
  }
  statistics = GNUNET_STATISTICS_create ("namecache",
                                         cfg);
 
  /* Configuring server handles */
  GNUNET_SCHEDULER_add_shutdown (&cleanup_task,
                                 NULL);
}

References cfg, cleanup_task, db_lib_name, GNUNET_asprintf(), GNUNET_CONFIGURATION_get_value_string(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_log, GNUNET_OK, GNUNET_OS_project_data_gnunet(), GNUNET_PLUGIN_load(), GNUNET_SCHEDULER_add_now(), GNUNET_SCHEDULER_add_shutdown(), GNUNET_STATISTICS_create(), GSN_cfg, GSN_database, and statistics.

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◆ GNUNET_SERVICE_MAIN()

GNUNET_SERVICE_MAIN	(	GNUNET_OS_project_data_gnunet()	,
		"namecache"	,
		GNUNET_SERVICE_OPTION_NONE	,
		&	run,
		&	client_connect_cb,
		&	client_disconnect_cb,
		NULL	,
		GNUNET_MQ_hd_fixed_size(lookup_block, GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK, struct LookupBlockMessage, NULL)	,
		GNUNET_MQ_hd_var_size(block_cache, GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE, struct BlockCacheMessage, NULL)	,
		GNUNET_MQ_handler_end()
	)

Define "main" method using service macro.

Variable Documentation

◆ GSN_cfg

const struct GNUNET_CONFIGURATION_Handle* GSN_cfg

static

Configuration handle.

Definition at line 58 of file gnunet-service-namecache.c.

Referenced by run().

◆ statistics

struct GNUNET_STATISTICS_Handle* statistics

static

Handle to the statistics service.

Definition at line 63 of file gnunet-service-namecache.c.

Referenced by cleanup_task(), handle_block_cache(), handle_lookup_block(), handle_lookup_block_it(), and run().

◆ GSN_database

struct GNUNET_NAMECACHE_PluginFunctions* GSN_database

static

Database handle.

Definition at line 68 of file gnunet-service-namecache.c.

Referenced by cleanup_task(), handle_block_cache(), handle_lookup_block(), and run().

◆ db_lib_name

char* db_lib_name

static

Name of the database plugin.

Definition at line 73 of file gnunet-service-namecache.c.

Referenced by cleanup_task(), run(), and run().

Data Structures

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ LOG_STRERROR_FILE

Function Documentation

◆ cleanup_task()

◆ client_disconnect_cb()

◆ client_connect_cb()

◆ handle_lookup_block_it()

◆ handle_lookup_block()

◆ check_block_cache()

◆ handle_block_cache()

◆ run()

◆ GNUNET_SERVICE_MAIN()

Variable Documentation

◆ GSN_cfg

◆ statistics

◆ GSN_database

◆ db_lib_name