jni/commoncpp2-1.8.1-android/src/nat.h

// Copyright (C) 2004-2008 TintaDigital - STI, LDA.
//
// 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
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// to produce an executable, this does not by itself cause the
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/**
 * @file nat.h
 * @short Network Address Translation interface functions.
 * @author Ricardo Gameiro <rgameiro at tintadigital dot com>
 **/

#ifndef CCXX_NAT_H
#define CCXX_NAT_H

#ifdef	CCXX_NAMESPACES
namespace ost {
#endif

#ifndef	WIN32
typedef	int SOCKET;
#endif

enum natResult {
  natOK = 0,
  natSearchErr = 1,
  natNotSupported = 2,
  natDevUnavail = 3,
  natSocknameErr = 4,
  natPeernameErr = 5,
  natSockTypeErr = 6,
  natIFaceErr = 7,
  natUnkownErr = 8
};

typedef natResult natResult;

/**
 * Perform NAT address table lookup for the current socket.
 *
 * @param sfd socket to get nat info from.
 * @param nat sockaddr structure to hold results.
 */
natResult natv4Lookup( SOCKET sfd, struct sockaddr_in * nat );
#ifdef CCXX_IPV6
natResult natv6Lookup( SOCKET sfd, struct sockaddr_in6 * nat );
#endif

/**
 * Return descriptive text for the NAT Lookup return error.
 *
 * @param res result from NATLookup function.
 * @return error description.
 */
const char * natErrorString( natResult res );

#ifdef	CCXX_NAMESPACES
}
#endif

#endif