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authorEugenio Favalli <elvenprogrammer@gmail.com>2004-09-26 13:08:46 +0000
committerEugenio Favalli <elvenprogrammer@gmail.com>2004-09-26 13:08:46 +0000
commit92bbeab96bf61edf9b7caa125ed67e634258383e (patch)
treea95dd426590c8e6208445290fa8b9b47c1a57bcb /src/net
parente46b2cdbf205d3d2e17266e3168fdbecd5f53222 (diff)
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*** empty log message ***
Diffstat (limited to 'src/net')
-rw-r--r--src/net/network.cpp177
-rw-r--r--src/net/network.h87
-rw-r--r--src/net/protocol.cpp264
-rw-r--r--src/net/protocol.h57
-rw-r--r--src/net/win2linux.h54
-rw-r--r--src/net/win2mac.cpp42
-rw-r--r--src/net/win2mac.h16
7 files changed, 697 insertions, 0 deletions
diff --git a/src/net/network.cpp b/src/net/network.cpp
new file mode 100644
index 00000000..c8bff09a
--- /dev/null
+++ b/src/net/network.cpp
@@ -0,0 +1,177 @@
+/**
+
+ 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
+
+*/
+
+#include "network.h"
+#ifndef WIN32
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#endif
+
+/** Warning: buffers and other variables are shared,
+ so there can be only one connection active at a time */
+
+int buffer_size = 65536;
+char *in, *out;
+int in_size, out_size;
+
+SOCKET sock;
+SOCKADDR_IN addr;
+// File descriptors attached to socket
+fd_set read_socket;
+fd_set write_socket;
+
+/** Increase size of written data */
+void WFIFOSET(int len) {
+ if(out_size+len>=buffer_size)
+ warning("Output buffer full");
+ else out_size+=len;
+}
+
+/** Convert an address from int format to string */
+char *iptostring(int address) {
+ short temp1, temp2;
+
+ char *temp = (char *)malloc(sizeof(char[20]));
+ temp1 = LOWORD(address);
+ temp2 = HIWORD(address);
+ sprintf(temp, "%i.%i.%i.%i", LOBYTE(temp1), HIBYTE(temp1), LOBYTE(temp2), HIBYTE(temp2));
+ return temp;
+}
+
+/** Open a session with a server */
+SOCKET open_session(const char* address, short port) {
+ #ifdef WIN32
+ WSADATA wsda;
+ #endif
+ struct hostent *server;
+ int ret;
+
+ // Init WinSock and connect the socket
+ #ifdef WIN32
+ WSAStartup(MAKEWORD(2,0), &wsda);
+ #endif
+
+ sock = socket(PF_INET, SOCK_STREAM, 0); // Create socket for current session
+ if(sock==SOCKET_ERROR)return SOCKET_ERROR;
+
+ addr.sin_family = AF_INET;
+ addr.sin_port = htons(port);
+ addr.sin_addr.s_addr = inet_addr(address);
+ if(addr.sin_addr.s_addr == INADDR_NONE){
+ server = NULL;
+ server = gethostbyname(address);
+ if(server == NULL)return SOCKET_ERROR;
+ memcpy(&addr.sin_addr, server->h_addr_list[0], server->h_length);
+ }
+
+ ret = connect(sock, (struct sockaddr *) &addr, sizeof(addr));
+ if(ret == SOCKET_ERROR)return SOCKET_ERROR;
+
+ // Init buffers
+ in = (char *)malloc(buffer_size);
+ out = (char *)malloc(buffer_size);
+ memset(in, '\0', buffer_size);
+ memset(out, '\0', buffer_size);
+ in_size = 0;
+ out_size = 0;
+ FD_CLR(sock, &read_socket);
+ FD_CLR(sock, &write_socket);
+
+ return sock;
+}
+
+/** Close a session */
+void close_session() {
+ FD_CLR(sock,&read_socket);
+ FD_CLR(sock,&write_socket);
+ closesocket(sock);
+ if(in!=NULL)free(in);
+ if(out!=NULL)free(out);
+ in = NULL;
+ out = NULL;
+ in_size = 0;
+ out_size = 0;
+ WSACleanup();
+}
+
+/** Send and receive data waiting in the buffers */
+void flush() {
+ int ret = 0;
+ void *buf = out; //-kth5
+ timeval time_out;
+
+ // Init the time_out struct to 0s so it won't block
+ time_out.tv_sec=0;
+ time_out.tv_usec=0;
+
+ // Clear file descriptors and set them to socket
+ FD_ZERO(&read_socket);
+ FD_ZERO(&write_socket);
+ FD_SET(sock, &read_socket);
+ FD_SET(sock, &write_socket);
+
+ // Check if socket has available data by evaluating attached file descriptors
+ select(FD_SETSIZE, &read_socket, &write_socket, NULL, &time_out);
+
+ // Send data if available
+ if(FD_ISSET(sock, &write_socket)) {
+ // While there wasn't a error or sent the whole data: handles partial packet send
+ while((ret!=SOCKET_ERROR)&&(out_size>0)) {
+ ret = send(sock, (char *)buf, out_size, 0);
+ /*FILE *file = fopen("log.log","wb");
+
+ fprintf(file, "%s", out[0]);
+ fclose(file);*/
+ // If not the whole data has been sent, empty the buffer from already sent bytes
+ if(ret!=SOCKET_ERROR && ret>0) {
+ buf = (char*)buf+ret; //-kth5
+ out_size -= ret;
+ }
+ }
+ if(ret==SOCKET_ERROR) {
+ error("Socket Error");
+#ifdef WIN32
+ log_int("Error", "socket_error", WSAGetLastError());
+#else
+ log("Error", "socket_error", "Undefined socket error");
+#endif
+ }
+ }
+
+ // Read data, if available
+ if(FD_ISSET(sock, &read_socket)) {
+ /* There's no check for partial received packets because at this level
+ the app doesn't know packet length, but it will done when parsing received data */
+ ret = recv(sock, in+in_size, RFIFOSPACE, 0);
+ if(ret==SOCKET_ERROR) {
+#ifdef WIN32
+ log_int("Error", "socket_error", WSAGetLastError());
+#else
+ log("Error", "socket_error", "Undefined socket error");
+#endif
+ } else RFIFOSET(ret); // Set size of available data to read
+ }
+}
+
+
diff --git a/src/net/network.h b/src/net/network.h
new file mode 100644
index 00000000..5eca3398
--- /dev/null
+++ b/src/net/network.h
@@ -0,0 +1,87 @@
+/**
+
+ 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
diff --git a/src/net/protocol.cpp b/src/net/protocol.cpp
new file mode 100644
index 00000000..2c33d092
--- /dev/null
+++ b/src/net/protocol.cpp
@@ -0,0 +1,264 @@
+/**
+
+ 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
+
+*/
+
+#include "protocol.h"
+
+short packet_lengths[] = {
+
+ 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+// #0x0040
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 55, 17, 3, 37, 46, -1, 23, -1, 3,108, 3, 2,
+ 3, 28, 19, 11, 3, -1, 9, 5, 54, 53, 58, 60, 41, 2, 6, 6,
+// #0x0080
+ 7, 3, 2, 2, 2, 5, 16, 12, 10, 7, 29, 23, -1, -1, -1, 0,
+ 7, 22, 28, 2, 6, 30, -1, -1, 3, -1, -1, 5, 9, 17, 17, 6,
+ 23, 6, 6, -1, -1, -1, -1, 8, 7, 6, 7, 4, 7, 0, -1, 6,
+ 8, 8, 3, 3, -1, 6, 6, -1, 7, 6, 2, 5, 6, 44, 5, 3,
+// #0x00C0
+ 7, 2, 6, 8, 6, 7, -1, -1, -1, -1, 3, 3, 6, 6, 2, 27,
+ 3, 4, 4, 2, -1, -1, 3, -1, 6, 14, 3, -1, 28, 29, -1, -1,
+ 30, 30, 26, 2, 6, 26, 3, 3, 8, 19, 5, 2, 3, 2, 2, 2,
+ 3, 2, 6, 8, 21, 8, 8, 2, 2, 26, 3, -1, 6, 27, 30, 10,
+// #0x0100
+ 2, 6, 6, 30, 79, 31, 10, 10, -1, -1, 4, 6, 6, 2, 11, -1,
+ 10, 39, 4, 10, 31, 35, 10, 18, 2, 13, 15, 20, 68, 2, 3, 16,
+ 6, 14, -1, -1, 21, 8, 8, 8, 8, 8, 2, 2, 3, 4, 2, -1,
+ 6, 86, 6, -1, -1, 7, -1, 6, 3, 16, 4, 4, 4, 6, 24, 26,
+// #0x0140
+ 22, 14, 6, 10, 23, 19, 6, 39, 8, 9, 6, 27, -1, 2, 6, 6,
+ 110, 6, -1, -1, -1, -1, -1, 6, -1, 54, 66, 54, 90, 42, 6, 42,
+ -1, -1, -1, -1, -1, 30, -1, 3, 14, 3, 30, 10, 43, 14,186,182,
+ 14, 30, 10, 3, -1, 6,106, -1, 4, 5, 4, -1, 6, 7, -1, -1,
+// #0x0180
+ 6, 3,106, 10, 10, 34, 0, 6, 8, 4, 4, 4, 29, -1, 10, 6,
+ 90, 86, 24, 6, 30,102, 9, 4, 8, 4, 14, 10, 4, 6, 2, 6,
+ 3, 3, 35, 5, 11, 26, -1, 4, 4, 6, 10, 12, 6, -1, 4, 4,
+ 11, 7, -1, 67, 12, 18,114, 6, 3, 6, 26, 26, 26, 26, 2, 3,
+// #0x01C0
+ 2, 14, 10, -1, 22, 22, 4, 2, 13, 97, 0, 9, 9, 29, 6, 28,
+ 8, 14, 10, 35, 6, 8, 4, 11, 54, 53, 60, 2, -1, 47, 33, 6,
+ 30, 8, 34, 14, 2, 6, 26, 2, 28, 81, 6, 10, 26, 2, -1, -1,
+ -1, -1, 20, 10, 32, 9, 34, 14, 2, 6, 48, 56, -1, 4, 5, 10,
+// #0x200
+ 26, 0, 0, 0, 18, 0, 0, 0, 0, 0, 0, 19,
+
+};
+
+/** Packet length by id */
+short get_length(short id) {
+ return packet_lengths[id];
+}
+
+/** Decodes dest x coord */
+unsigned short get_dest_x(char *data) {
+ short temp;
+ temp = MAKEWORD(data[3], data[2] & 0x000f);
+ temp >>= 2;
+ return temp;
+}
+
+/** Decodes dest y coord */
+unsigned short get_dest_y(char *data) {
+ short temp;
+ temp = MAKEWORD(data[4], data[3] & 0x0003);
+ return temp;
+}
+
+/** Decodes src x coord */
+unsigned short get_src_x(char *data) {
+ short temp;
+ temp = MAKEWORD(data[1], data[0]);
+ temp >>= 6;
+ return temp;
+}
+
+/** Decodes src y coord */
+unsigned short get_src_y(char *data) {
+ short temp;
+ temp = MAKEWORD(data[2], data[1] & 0x003f);
+ temp >>= 4;
+ return temp;
+}
+
+/** Decodes src direction */
+unsigned char get_src_direction(char data) {
+ data >>= 4;
+ return data;
+}
+
+/** Decodes dest direction */
+unsigned char get_dest_direction(char data) {
+ return data & 0x000f;
+}
+
+/** Decodes x coord */
+unsigned short get_x(char *data) {
+ short temp;
+ temp = MAKEWORD(data[1] & 0x00c0, data[0] & 0x00ff);
+ temp >>= 6;
+ return temp;
+}
+
+/** Decodes y coord */
+unsigned short get_y(char *data) {
+ short temp;
+ if(!data)error("Corrupted data");
+ temp = MAKEWORD(data[2] & 0x00f0, data[1] & 0x003f);
+ if(!temp)error("Corrupted data");
+ temp >>= 4;
+ return temp;
+}
+
+/** Decodes direction */
+unsigned char get_direction(char *data) {
+ char temp;
+ temp = data[2] & 0x000f;
+ return temp;
+}
+
+/** Encodes coords and direction in 3 bytes data */
+void set_coordinates(char *data, unsigned short x, unsigned short y, unsigned char direction) {
+ short temp;
+ temp = x;
+ temp <<= 6;
+ data[0] = 0;
+ data[1] = 1;
+ data[2] = 2;
+ data[0] = HIBYTE(temp);
+ data[1] = LOBYTE(temp);
+ temp = y;
+ temp <<= 4;
+ data[1] |= HIBYTE(temp);
+ data[2] = LOBYTE(temp);
+ data[2] |= direction;
+}
+
+/** Initialize connection with map server */
+void map_start() {
+ // Connect to map server
+ if(open_session(iptostring(map_address), map_port)==SOCKET_ERROR) {
+ warning("Unable to connect to map server");
+ state = LOGIN;
+ ok("Error", "Unable to connect to map server");
+ return;
+ }
+
+ // Send login infos
+ WFIFOW(0) = net_w_value(0x0072);
+ WFIFOL(2) = net_l_value(account_ID);
+ WFIFOL(6) = net_l_value(char_ID);
+ WFIFOL(10) = net_l_value(session_ID1);
+ WFIFOL(14) = net_l_value(session_ID2);
+ WFIFOB(18) = net_b_value(sex);
+ WFIFOSET(19);
+
+ while((in_size<4)||(out_size>0))flush();
+ RFIFOSKIP(4);
+
+ while(in_size<2)flush();
+
+ if(RFIFOW(0)==0x0073) {
+ while(in_size<11)flush();
+ x = get_x(RFIFOP(6));
+ y = get_y(RFIFOP(6));
+ log_int("Player", "x", x);
+ log_int("Player", "y", y);
+ direction = get_direction(RFIFOP(6));
+ log_int("Player", "direction", direction);
+ RFIFOSKIP(11);
+ } else if(0x0081) {
+ warning("Map server D/C");
+ } else error("Unknown packet: map_start");
+ // Send "map loaded"
+ WFIFOW(0) = net_w_value(0x007d);
+ WFIFOSET(2);
+ while(out_size>0)flush();
+}
+
+/** Requests to walk */
+void walk(unsigned short x, unsigned short y, unsigned char direction) {
+ char temp[3];
+ set_coordinates(temp, x, y, direction);
+ WFIFOW(0) = net_w_value(0x0085);
+ memcpy(WFIFOP(2), temp, 3);
+ WFIFOSET(5);
+}
+
+/** Request to speak */
+void speak(char *speech) {
+ int len = (int)strlen(speech);
+ WFIFOW(0) = net_w_value(0x008c);
+ WFIFOW(2) = net_w_value(len+4);
+ memcpy(WFIFOP(4), speech, len);
+ WFIFOSET(len+4);
+}
+
+/** request action */
+void action(short type, int id) {
+ WFIFOW(0) = net_w_value(0x0089);
+ WFIFOL(2) = net_l_value(id);
+ WFIFOB(6) = net_l_value(type);
+ WFIFOSET(7);
+}
+
+
+/** Request to attack */
+void attack(unsigned short x, unsigned short y, unsigned char direction) {
+ int monster_id = 0;
+
+ if(direction==2) {
+ for(int j=-1;j<2;j++)
+ for(int i=-1;i<1;i++) {
+ monster_id = find_monster(x+i, y+j);
+ if(monster_id!=0)
+ action(0x07, monster_id);
+ }
+ } else if(direction==6) {
+ for(int j=-1;j<2;j++)
+ for(int i=0;i<2;i++) {
+ monster_id = find_monster(x+i, y+j);
+ if(monster_id!=0)
+ action(0x07, monster_id);
+ }
+ } else if(direction==4) {
+ for(int j=-1;j<1;j++)
+ for(int i=-1;i<2;i++) {
+ monster_id = find_monster(x+i, y+j);
+ if(monster_id!=0)
+ action(0x07, monster_id);
+ }
+ } else if(direction==0) {
+ for(int j=0;j<1;j++)
+ for(int i=-1;i<2;i++) {
+ monster_id = find_monster(x+i, y+j);
+ if(monster_id!=0)
+ action(0x07, monster_id);
+ }
+ }
+}
+
diff --git a/src/net/protocol.h b/src/net/protocol.h
new file mode 100644
index 00000000..60293e4a
--- /dev/null
+++ b/src/net/protocol.h
@@ -0,0 +1,57 @@
+/**
+
+ 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 _PROTOCOL_H
+#define _PROTOCOL_H
+
+#include <allegro.h>
+#ifdef WIN32
+#include <winalleg.h>
+#include <windows.h>
+#else
+#include "win2linux.h"
+#endif
+
+#include "../main.h"
+#include "../being.h"
+
+short get_length(short id);
+unsigned short get_x(char *data);
+unsigned short get_y(char *data);
+unsigned char get_direction(char *data);
+unsigned short get_src_x(char *data);
+unsigned short get_src_y(char *data);
+unsigned char get_src_direction(char data);
+unsigned short get_dest_x(char *data);
+unsigned short get_dest_y(char *data);
+unsigned char get_dest_direction(char data);
+void set_coordinates(char *data, unsigned short x, unsigned short y, unsigned char direction);
+void map_start();
+void walk(unsigned short x, unsigned short y, unsigned char direction);
+void speak(char *speech);
+void attack(unsigned short x, unsigned short y, unsigned char direction);
+void action(short, int);
+#endif
diff --git a/src/net/win2linux.h b/src/net/win2linux.h
new file mode 100644
index 00000000..71737a58
--- /dev/null
+++ b/src/net/win2linux.h
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdlib.h>
+#ifndef MACOSX
+#include <malloc.h>
+#endif
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+typedef unsigned char BYTE;
+typedef unsigned short WORD;
+#define MAKEWORD(low,high) \
+ ((WORD)(((BYTE)(low)) | ((WORD)((BYTE)(high))) << 8))
+#define closesocket(a) close(a)
+#define SOCKET int
+#define SOCKET_ERROR -1
+#define SOCKADDR_IN struct sockaddr_in
+typedef struct sockaddr SOCKADDR;
+typedef SOCKADDR * LPSOCKADDR;
+#define WSACleanup() ;
+
+
+
+typedef unsigned short WORD;
+typedef unsigned long int LWORD;
+typedef unsigned char BYTE;
+#define LOBYTE(w) ((BYTE) (w) )
+#define HIBYTE(w) ((BYTE) (((WORD)(w)) >> 8) )
+#define LOWORD(l) ((WORD) (l) )
+#define HIWORD(l) ((WORD) (((LWORD)(l)) >> 16) )
+#define HANDLE int
+#define HANDLE int
+#define PHANDLE int
+#define SMALL_RECT int
+//#define WORD int
+#define DWORD int
+#define PDWORD int
+#define BOOL int
+#define LPBOOL int
+#define LPSTR int
+#define LPTSTR int
+#define LPCTSTR int
+#define LPDWORD int
+#define LPVOID int
+#define WINAPI
+
+#define LOBYTE(w) ((BYTE) (w) )
+#define HIBYTE(w) ((BYTE) (((WORD)(w)) >> 8) )
+#define LPTHREAD_START_ROUTINE void *(*)(void *)
+#define CloseHandle close
diff --git a/src/net/win2mac.cpp b/src/net/win2mac.cpp
new file mode 100644
index 00000000..be4bad1d
--- /dev/null
+++ b/src/net/win2mac.cpp
@@ -0,0 +1,42 @@
+#include "win2mac.h"
+
+
+void dummy()
+{
+
+printf("hej\n");
+}
+
+UInt32 DR_SwapFourBytes(UInt32 dw)
+{
+UInt32 tmp;
+tmp = (dw & 0x000000FF);
+tmp = ((dw & 0x0000FF00) >> 0x08) | (tmp << 0x08);
+tmp = ((dw & 0x00FF0000) >> 0x10) | (tmp << 0x08);
+tmp = ((dw & 0xFF000000) >> 0x18) | (tmp << 0x08);
+return (tmp);
+}
+
+UInt16 DR_SwapTwoBytes(UInt16 w)
+{
+UInt16 tmp;
+tmp = (w & 0x00FF);
+tmp = ((w & 0xFF00) >> 0x08) | (tmp << 0x08);
+return(tmp);
+}
+
+char* SwapChar(char charlist[])
+{
+for(int i =0; i< 24/2; i++)
+ SWAP(charlist[i],charlist[24-i]);
+return charlist;
+}
+
+/*
+char* SwapChar(char charlist[])
+{
+for(int i =0; i< sizeof(charlist)*4/2; i++)
+ SWAP(charlist[i],charlist[sizeof(charlist)*4-i]);
+return charlist;
+}
+*/ \ No newline at end of file
diff --git a/src/net/win2mac.h b/src/net/win2mac.h
new file mode 100644
index 00000000..72ae9fd9
--- /dev/null
+++ b/src/net/win2mac.h
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+#define UInt16 unsigned short int
+#define INT16 short int
+#define UInt32 unsigned long int
+#define INT32 long int
+#define SWAP( a, b ) { char c; c=a; a=b; b=c; }
+
+#ifndef _MAC_H
+#define _MAC_H
+void dummy();
+UInt32 DR_SwapFourBytes(UInt32 dw);
+UInt16 DR_SwapTwoBytes(UInt16 w);
+char* SwapChar(char charlist[]);
+#endif
+