nat_auto_api.c File Reference

#include "platform.h"
#include "gnunet_nat_service.h"
#include "gnunet_nat_auto_service.h"
#include "nat-auto.h"

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Data Structures
struct	GNUNET_NAT_AUTO_AutoHandle
	Handle to auto-configuration in progress. More...

Functions
const char *	GNUNET_NAT_AUTO_status2string (enum GNUNET_NAT_StatusCode err)
	Converts enum GNUNET_NAT_StatusCode to string. More...
static int	check_auto_result (void *cls, const struct GNUNET_NAT_AUTO_AutoconfigResultMessage *res)
	Check result from autoconfiguration attempt. More...
static void	handle_auto_result (void *cls, const struct GNUNET_NAT_AUTO_AutoconfigResultMessage *res)
	Handle result from autoconfiguration attempt. More...
static void	ah_error_handler (void *cls, enum GNUNET_MQ_Error error)
	Handle queue errors by reporting autoconfiguration failure. More...
struct GNUNET_NAT_AUTO_AutoHandle *	GNUNET_NAT_AUTO_autoconfig_start (const struct GNUNET_CONFIGURATION_Handle *cfg, GNUNET_NAT_AUTO_AutoResultCallback cb, void *cb_cls)
	Start auto-configuration routine. More...
void	GNUNET_NAT_AUTO_autoconfig_cancel (struct GNUNET_NAT_AUTO_AutoHandle *ah)
	Abort autoconfiguration. More...

Detailed Description

Author

Christian Grothoff

Milan Bouchet-Valat

Routines for NAT auto configuration.

Definition in file nat_auto_api.c.

Function Documentation

check_auto_result()

static int check_auto_result ( void *  cls, const struct GNUNET_NAT_AUTO_AutoconfigResultMessage *  res  )

static

Check result from autoconfiguration attempt.

Parameters

cls	the struct GNUNET_NAT_AUTO_AutoHandle
res	the result

Returns

GNUNET_OK if res is well-formed (always for now)

Definition at line 144 of file nat_auto_api.c.

{
  return GNUNET_OK;
}

References GNUNET_OK.

handle_auto_result()

static void handle_auto_result ( void *  cls, const struct GNUNET_NAT_AUTO_AutoconfigResultMessage *  res  )

static

Handle result from autoconfiguration attempt.

Parameters

cls	the struct GNUNET_NAT_AUTO_AutoHandle
res	the result

Definition at line 158 of file nat_auto_api.c.

{
  struct GNUNET_NAT_AUTO_AutoHandle *ah = cls;
  size_t left;
  struct GNUNET_CONFIGURATION_Handle *cfg;
  enum GNUNET_NAT_Type type = ntohl (res->type);
  enum GNUNET_NAT_StatusCode status = ntohl (res->status_code);
 
  left = ntohs (res->header.size) - sizeof(*res);
  cfg = GNUNET_CONFIGURATION_create (GNUNET_OS_project_data_gnunet ());
  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_deserialize (cfg,
                                        (const char *) &res[1],
                                        left,
                                        NULL))
  {
    GNUNET_break (0);
    ah->arc (ah->arc_cls,
             NULL,
             GNUNET_NAT_ERROR_IPC_FAILURE,
             type);
  }
  else
  {
    ah->arc (ah->arc_cls,
             cfg,
             status,
             type);
  }
  GNUNET_CONFIGURATION_destroy (cfg);
  GNUNET_NAT_AUTO_autoconfig_cancel (ah);
}

References ah, GNUNET_NAT_AUTO_AutoHandle::arc, GNUNET_NAT_AUTO_AutoHandle::arc_cls, cfg, GNUNET_break, GNUNET_CONFIGURATION_create(), GNUNET_CONFIGURATION_deserialize(), GNUNET_CONFIGURATION_destroy(), GNUNET_NAT_AUTO_autoconfig_cancel(), GNUNET_NAT_ERROR_IPC_FAILURE, GNUNET_OK, GNUNET_OS_project_data_gnunet(), res, status, and type.

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ah_error_handler()

static void ah_error_handler ( void *  cls, enum GNUNET_MQ_Error  error  )

static

Handle queue errors by reporting autoconfiguration failure.

Parameters

cls	the struct GNUNET_NAT_AUTO_AutoHandle *
error	details about the error

Definition at line 200 of file nat_auto_api.c.

{
  struct GNUNET_NAT_AUTO_AutoHandle *ah = cls;
 
  ah->arc (ah->arc_cls,
           NULL,
           GNUNET_NAT_ERROR_IPC_FAILURE,
           GNUNET_NAT_TYPE_UNKNOWN);
  GNUNET_NAT_AUTO_autoconfig_cancel (ah);
}

References ah, GNUNET_NAT_AUTO_AutoHandle::arc, GNUNET_NAT_AUTO_AutoHandle::arc_cls, GNUNET_NAT_AUTO_autoconfig_cancel(), GNUNET_NAT_ERROR_IPC_FAILURE, and GNUNET_NAT_TYPE_UNKNOWN.

Referenced by GNUNET_NAT_AUTO_autoconfig_start().

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