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// ____ _ __
// / __ )____ _____ | | / /___ ___________
// / __ / __ \/ ___/ | | /| / / __ `/ ___/ ___/
// / /_/ / /_/ (__ ) | |/ |/ / /_/ / / (__ )
// /_____/\____/____/ |__/|__/\__,_/_/ /____/
//
// A futuristic real-time strategy game.
// This file is part of Bos Wars.
//
/**@name net_lowlevel.h - The network low level header file. */
//
// (c) Copyright 1998-2007 by Lutz Sammer and Jimmy Salmon
//
// 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
// the Free Software Foundation; only version 2 of the License.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
#ifndef __NET_LOWLEVEL_H
#define __NET_LOWLEVEL_H
//@{
/*----------------------------------------------------------------------------
-- Includes
----------------------------------------------------------------------------*/
#include <vector>
#ifndef _MSC_VER
#include <errno.h>
#include <time.h>
#endif
// Include system network headers
#if defined(__WIN32__) || defined(WIN32) || defined(_WIN32)
#define USE_WINSOCK
#include <winsock2.h>
#include <windows.h>
#include <winsock.h>
//#include <ws2tcpip.h>
// MS Knowledge base fix for SIO_GET_INTERFACE_LIST with NT4.0 ++
#define SIO_GET_INTERFACE_LIST 0x4004747F
#define IFF_UP 1
#define IFF_LOOPBACK 4
typedef struct _OLD_INTERFACE_INFO
{
unsigned long iiFlags; /* Interface flags */
SOCKADDR iiAddress; /* Interface address */
SOCKADDR iiBroadcastAddress; /* Broadcast address */
SOCKADDR iiNetmask; /* Network mask */
} OLD_INTERFACE_INFO;
#define INTERFACE_INFO OLD_INTERFACE_INFO
#else // UNIX
#include <sys/time.h>
#include <unistd.h>
#include <netinet/in.h>
#include <netdb.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#ifndef __BEOS__
#include <net/if.h>
#include <arpa/inet.h>
#endif
#define INVALID_SOCKET -1
#endif // !WIN32
#ifndef INADDR_NONE
#define INADDR_NONE -1
#endif
/*----------------------------------------------------------------------------
-- Defines
----------------------------------------------------------------------------*/
#define NIPQUAD(ad) \
(int)(((ad) >> 24) & 0xff), (int)(((ad) >> 16) & 0xff), \
(int)(((ad) >> 8) & 0xff), (int)((ad) & 0xff)
#ifdef USE_WIN32
typedef SOCKET Socket;
#else
typedef int Socket;
#endif
/*----------------------------------------------------------------------------
-- Declarations
----------------------------------------------------------------------------*/
struct SocketSet {
SocketSet() : MaxSockFD(0) {}
void AddSocket(Socket socket);
void DelSocket(Socket socket);
std::vector<Socket> Sockets;
std::vector<int> SocketReady;
Socket MaxSockFD;
};
/*----------------------------------------------------------------------------
-- Variables
----------------------------------------------------------------------------*/
extern int NetLastSocket; /// Last socket
extern unsigned long NetLastHost; /// Last host number (net format)
extern int NetLastPort; /// Last port number (net format)
extern unsigned long NetLocalAddrs[]; /// Local IP-Addrs of this host (net format)
/*----------------------------------------------------------------------------
-- Functions
----------------------------------------------------------------------------*/
/// Hardware dependend network init.
extern int NetInit(void);
/// Hardware dependend network exit.
extern void NetExit(void);
/// Resolve host in name or or colon dot notation.
extern unsigned long NetResolveHost(const std::string &host);
/// Get local IP from network file descriptor
extern int NetSocketAddr(const Socket sock);
/// Open a UDP Socket port.
extern Socket NetOpenUDP(int port);
/// Open a TCP Socket port.
extern Socket NetOpenTCP(int port);
/// Close a UDP socket port.
extern void NetCloseUDP(Socket sockfd);
/// Close a TCP socket port.
extern void NetCloseTCP(Socket sockfd);
/// Set socket to non-blocking
extern int NetSetNonBlocking(Socket sockfd);
/// Open a TCP connection.
extern int NetConnectTCP(Socket sockfd, unsigned long addr, int port);
/// Send through a UPD socket to a host:port.
extern int NetSendUDP(Socket sockfd, unsigned long host, int port,
const void *buf, int len);
/// Send through a TCP socket
extern int NetSendTCP(Socket sockfd, const void *buf, int len);
/// Wait for socket ready.
extern int NetSocketReady(Socket sockfd, int timeout);
/// Wait for socket set ready.
extern int NetSocketSetReady(SocketSet *sockfd, int timeout);
/// Check if a socket in a socket set is ready.
extern int NetSocketSetSocketReady(SocketSet *set, Socket socket);
/// Receive from a UDP socket.
extern int NetRecvUDP(Socket sockfd, void *buf, int len);
/// Receive from a TCP socket.
extern int NetRecvTCP(Socket sockfd, void *buf, int len);
/// Listen for connections on a TCP socket
extern int NetListenTCP(Socket sockfd);
/// Accept a connection on a TCP socket
extern Socket NetAcceptTCP(Socket sockfd);
/// Add a socket to a socket set
extern void NetAddSocket(SocketSet *set, Socket socket);
/// Delete a socket from a socket set
extern void NetDelSocket(SocketSet *set, Socket socket);
//@}
#endif // !__NET_LOWLEVEL_H
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