path: root/src/net/network.h

/**

	The Mana World
	Copyright 2004 The Mana World Development Team

    This file is part of The Mana World.

    The Mana World is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    any later version.

    The Mana World is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with The Mana World; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#ifdef WIN32
  #pragma warning (disable:4312)
#endif

#ifndef _NETWORK_H
#define _NETWORK_H

#ifdef WIN32
#include <allegro.h>
#include <winalleg.h>
#else
#include "win2linux.h"
#endif
#include <stdio.h>
#include "../log.h"
#ifdef MACOSX
#include "win2mac.h"
#endif

/** Macros to write in output buffer, pos is the location where to write data 
    After you wrote len bytes, you have to use WFIFOSET */
#define WFIFOSPACE (buffer_size-out_size) // Number of bytes currently written in uotput buffer
#define WFIFOP(pos) (out+(pos+out_size)) // Return a pointer to a specific location in output buffer
#define WFIFOB(pos) (*(unsigned char *)(out+pos+out_size)) // Write a byte (1 byte)
#define WFIFOW(pos) (*(unsigned short *)(out+pos+out_size)) // Write a word (2 byte)
#define WFIFOL(pos) (*(unsigned int *)(out+pos+out_size)) // Write a long (4 byte)
//#define WFIFOSET(len) out_size+=len // Increase size of written data
#ifdef MACOSX
#define net_b_value(id) (id)
#define net_w_value(id) DR_SwapTwoBytes(id)
#define net_l_value(id) DR_SwapFourBytes(id)
#else
#define net_b_value(id) (id)
#define net_w_value(id) (id)
#define net_l_value(id) (id)
#endif


/** Macros to read from input buffer, pos is the location of data to be read
    After you read len bytes, you should use RFIFOSKIP */
#define RFIFOP(pos) (in+(pos)) // Get a pointer from a specific location in input buffer
#ifdef MACOSX
#define RFIFOB(pos) ((*(unsigned char*)(in+(pos)))) // Read a byte
#define RFIFOW(pos) DR_SwapTwoBytes((*(unsigned short*)(in+(pos)))) // Read a word
#define RFIFOL(pos) DR_SwapFourBytes((*(unsigned int*)(in+(pos)))) // Read a long
#else
#define RFIFOB(pos) (*(unsigned char*)(in+(pos))) // Read a byte
#define RFIFOW(pos) (*(unsigned short*)(in+(pos))) // Read a word
#define RFIFOL(pos) (*(unsigned int*)(in+(pos))) // Read a long
#endif
#define RFIFOSKIP(len) (memcpy(in,in+len,in_size-len));in_size-=len; // Empty len bytes from input buffer 
#define RFIFOSPACE (buffer_size-in_size) // Return input buffer size
#define RFIFOSET(len) in_size+=len;

void WFIFOSET(int len);
char *iptostring(int address);
SOCKET open_session(const char* address, short port);
void close_session();
void flush();

extern char *in, *out; // Input, output buffer
extern int in_size, out_size; // Input, output buffer size

#endif