quake/src/WinQuake/net_mp.cpp - platform/external/quake - Git at Google

 /*
 Copyright (C) 1996-1997 Id Software, Inc.

 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; either version 2
 of the License, or (at your option) any later version.

 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.

 */
 // net_mpath.c

 #include <dpmi.h>
 #include "quakedef.h"
 #include "mpdosock.h"

 short flat_selector;

 int WSAGetLastError(void);
 void sockets_flush(void);

 extern cvar_t hostname;

 #define MAXHOSTNAMELEN		256

 static int net_acceptsocket = -1;		// socket for fielding new connections
 static int net_controlsocket;
 static int net_broadcastsocket = 0;
 //static qboolean ifbcastinit = false;
 static struct qsockaddr broadcastaddr;

 static unsigned long myAddr;

 #include "net_mp.h"


 //=============================================================================

 int MPATH_Init (void)
 {
 	int		i;
 	struct hostent *local = NULL;
 	char	buff[MAXHOSTNAMELEN];
 	struct qsockaddr addr;
 	char	*p;

 	if (COM_CheckParm ("-mpath") == 0)
 		return -1;

    flat_selector = __dpmi_allocate_ldt_descriptors(1);
    if (flat_selector == -1) {
       Con_Printf("MPATH_Init: Can't get flat selector\n");
       return -1;
    }
    if (__dpmi_set_segment_base_address(flat_selector, 0) == -1) {
       Con_Printf("MPATH_Init: Can't seg flat base!\n");
       return -1;
    }
    if (__dpmi_set_segment_limit(flat_selector, 0xffffffff) == -1) {
       Con_Printf("MPATH_Init: Can't set segment limit\n");
       return -1;
    }
 	// determine my name & address
 	if (gethostname(buff, MAXHOSTNAMELEN) == 0)
 		local = gethostbyname(buff);
 	if (local)
 	{
 		myAddr = *(int *)local->h_addr_list[0];

 		// if the quake hostname isn't set, set it to the machine name
 		if (Q_strcmp(hostname.string, "UNNAMED") == 0)
 		{
 			// see if it's a text IP address (well, close enough)
 			for (p = buff; *p; p++)
 				if ((*p < '0' || *p > '9') && *p != '.')
 					break;

 			// if it is a real name, strip off the domain; we only want the host
 			if (*p)
 			{
 				for (i = 0; i < 15; i++)
 					if (buff[i] == '.')
 						break;
 				buff[i] = 0;
 			}
 			Cvar_Set ("hostname", buff);
 		}
 	}

 	if ((net_controlsocket = MPATH_OpenSocket (0)) == -1)
 		Sys_Error("MPATH_Init: Unable to open control socket\n");

 	((struct sockaddr_in *)&broadcastaddr)->sin_family = AF_INET;
 	((struct sockaddr_in *)&broadcastaddr)->sin_addr.s_addr = INADDR_BROADCAST;
 	((struct sockaddr_in *)&broadcastaddr)->sin_port = htons(net_hostport);

 	MPATH_GetSocketAddr (net_controlsocket, &addr);
 	Q_strcpy(my_tcpip_address,  MPATH_AddrToString (&addr));
 	p = Q_strrchr (my_tcpip_address, ':');
 	if (p)
 		*p = 0;

 	Con_Printf("MPath Initialized\n");
 	tcpipAvailable = true;

 	return net_controlsocket;
 }

 //=============================================================================

 void MPATH_Shutdown (void)
 {
 	MPATH_Listen (false);
 	MPATH_CloseSocket (net_controlsocket);
 }

 //=============================================================================

 void MPATH_Listen (qboolean state)
 {
 	// enable listening
 	if (state)
 	{
 		if (net_acceptsocket != -1)
 			return;
 		if ((net_acceptsocket = MPATH_OpenSocket (net_hostport)) == -1)
 			Sys_Error ("MPATH_Listen: Unable to open accept socket\n");
 		return;
 	}

 	// disable listening
 	if (net_acceptsocket == -1)
 		return;
 	MPATH_CloseSocket (net_acceptsocket);
 	net_acceptsocket = -1;
 }

 //=============================================================================

 int MPATH_OpenSocket (int port)
 {
 	int newsocket;
 	struct sockaddr_in address;
 	u_long _true = 1;

 	if ((newsocket = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
 		return -1;

 	if (ioctlsocket (newsocket, FIONBIO, &_true) == -1)
 		goto ErrorReturn;

 	address.sin_family = AF_INET;
 	address.sin_addr.s_addr = INADDR_ANY;
 	address.sin_port = htons(port);
 	if( bind (newsocket, (void *)&address, sizeof(address)) == -1)
 		goto ErrorReturn;

 	return newsocket;

 ErrorReturn:
 	closesocket (newsocket);
 	return -1;
 }

 //=============================================================================

 int MPATH_CloseSocket (int socket)
 {
 	if (socket == net_broadcastsocket)
 		net_broadcastsocket = 0;
 	return closesocket (socket);
 }


 //=============================================================================
 /*
 ============
 PartialIPAddress

 this lets you type only as much of the net address as required, using
 the local network components to fill in the rest
 ============
 */
 static int PartialIPAddress (char *in, struct qsockaddr *hostaddr)
 {
 	char buff[256];
 	char *b;
 	int addr;
 	int num;
 	int mask;
 	int run;
 	int port;

 	buff[0] = '.';
 	b = buff;
 	strcpy(buff+1, in);
 	if (buff[1] == '.')
 		b++;

 	addr = 0;
 	mask=-1;
 	while (*b == '.')
 	{
 		b++;
 		num = 0;
 		run = 0;
 		while (!( *b < '0' || *b > '9'))
 		{
 		  num = num*10 + *b++ - '0';
 		  if (++run > 3)
 		  	return -1;
 		}
 		if ((*b < '0' || *b > '9') && *b != '.' && *b != ':' && *b != 0)
 			return -1;
 		if (num < 0 || num > 255)
 			return -1;
 		mask<<=8;
 		addr = (addr<<8) + num;
 	}

 	if (*b++ == ':')
 		port = Q_atoi(b);
 	else
 		port = net_hostport;

 	hostaddr->sa_family = AF_INET;
 	((struct sockaddr_in *)hostaddr)->sin_port = htons((short)port);
 	((struct sockaddr_in *)hostaddr)->sin_addr.s_addr = (myAddr & htonl(mask)) | htonl(addr);

 	return 0;
 }
 //=============================================================================

 int MPATH_Connect (int socket, struct qsockaddr *addr)
 {
 	return 0;
 }

 //=============================================================================

 int MPATH_CheckNewConnections (void)
 {
 	char buf[4];

 	if (net_acceptsocket == -1)
 		return -1;

 	if (recvfrom (net_acceptsocket, buf, 4, MSG_PEEK, NULL, NULL) > 0)
 		return net_acceptsocket;
 	return -1;
 }

 //=============================================================================

 int MPATH_Read (int socket, byte *buf, int len, struct qsockaddr *addr)
 {
 	int addrlen = sizeof (struct qsockaddr);
 	int ret;

 	ret = recvfrom (socket, buf, len, 0, (struct sockaddr *)addr, &addrlen);
 	if (ret == -1)
 	{
 		int errno = WSAGetLastError();

 		if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED)
 			return 0;

 	}
 	return ret;
 }

 //=============================================================================

 int MPATH_MakeSocketBroadcastCapable (int socket)
 {
 	int	i = 1;

 	// make this socket broadcast capable
 	if (setsockopt(socket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) < 0)
 		return -1;
 	net_broadcastsocket = socket;

 	return 0;
 }

 //=============================================================================

 int MPATH_Broadcast (int socket, byte *buf, int len)
 {
 	int ret;

 	if (socket != net_broadcastsocket)
 	{
 		if (net_broadcastsocket != 0)
 			Sys_Error("Attempted to use multiple broadcasts sockets\n");
 		ret = MPATH_MakeSocketBroadcastCapable (socket);
 		if (ret == -1)
 		{
 			Con_Printf("Unable to make socket broadcast capable\n");
 			return ret;
 		}
 	}

 	return MPATH_Write (socket, buf, len, &broadcastaddr);
 }

 //=============================================================================

 int MPATH_Write (int socket, byte *buf, int len, struct qsockaddr *addr)
 {
 	int ret;

 	ret = sendto (socket, buf, len, 0, (struct sockaddr *)addr, sizeof(struct qsockaddr));
 	if (ret == -1)
 		if (WSAGetLastError() == WSAEWOULDBLOCK)
 			return 0;

 	sockets_flush();

 	return ret;
 }

 //=============================================================================

 char *MPATH_AddrToString (struct qsockaddr *addr)
 {
 	static char buffer[22];
 	int haddr;

 	haddr = ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr);
 	sprintf(buffer, "%d.%d.%d.%d:%d", (haddr >> 24) & 0xff, (haddr >> 16) & 0xff, (haddr >> 8) & 0xff, haddr & 0xff, ntohs(((struct sockaddr_in *)addr)->sin_port));
 	return buffer;
 }

 //=============================================================================

 int MPATH_StringToAddr (char *string, struct qsockaddr *addr)
 {
 	int ha1, ha2, ha3, ha4, hp;
 	int ipaddr;

 	sscanf(string, "%d.%d.%d.%d:%d", &ha1, &ha2, &ha3, &ha4, &hp);
 	ipaddr = (ha1 << 24) | (ha2 << 16) | (ha3 << 8) | ha4;

 	addr->sa_family = AF_INET;
 	((struct sockaddr_in *)addr)->sin_addr.s_addr = htonl(ipaddr);
 	((struct sockaddr_in *)addr)->sin_port = htons(hp);
 	return 0;
 }

 //=============================================================================

 int MPATH_GetSocketAddr (int socket, struct qsockaddr *addr)
 {
 	int addrlen = sizeof(struct qsockaddr);
 	unsigned int a;

 	Q_memset(addr, 0, sizeof(struct qsockaddr));
 	getsockname(socket, (struct sockaddr *)addr, &addrlen);
 	a = ((struct sockaddr_in *)addr)->sin_addr.s_addr;
 	if (a == 0 || a == inet_addr("127.0.0.1"))
 		((struct sockaddr_in *)addr)->sin_addr.s_addr = myAddr;

 	return 0;
 }

 //=============================================================================

 int MPATH_GetNameFromAddr (struct qsockaddr *addr, char *name)
 {
 	struct hostent *hostentry;

 	hostentry = gethostbyaddr ((char *)&((struct sockaddr_in *)addr)->sin_addr, sizeof(struct in_addr), AF_INET);
 	if (hostentry)
 	{
 		Q_strncpy (name, (char *)hostentry->h_name, NET_NAMELEN - 1);
 		return 0;
 	}

 	Q_strcpy (name, MPATH_AddrToString (addr));
 	return 0;
 }

 //=============================================================================

 int MPATH_GetAddrFromName(char *name, struct qsockaddr *addr)
 {
 	struct hostent *hostentry;

 	if (name[0] >= '0' && name[0] <= '9')
 		return PartialIPAddress (name, addr);

 	hostentry = gethostbyname (name);
 	if (!hostentry)
 		return -1;

 	addr->sa_family = AF_INET;
 	((struct sockaddr_in *)addr)->sin_port = htons(net_hostport);
 	((struct sockaddr_in *)addr)->sin_addr.s_addr = *(int *)hostentry->h_addr_list[0];

 	return 0;
 }

 //=============================================================================

 int MPATH_AddrCompare (struct qsockaddr *addr1, struct qsockaddr *addr2)
 {
 	if (addr1->sa_family != addr2->sa_family)
 		return -1;

 	if (((struct sockaddr_in *)addr1)->sin_addr.s_addr != ((struct sockaddr_in *)addr2)->sin_addr.s_addr)
 		return -1;

 	if (((struct sockaddr_in *)addr1)->sin_port != ((struct sockaddr_in *)addr2)->sin_port)
 		return 1;

 	return 0;
 }

 //=============================================================================

 int MPATH_GetSocketPort (struct qsockaddr *addr)
 {
 	return ntohs(((struct sockaddr_in *)addr)->sin_port);
 }


 int MPATH_SetSocketPort (struct qsockaddr *addr, int port)
 {
 	((struct sockaddr_in *)addr)->sin_port = htons(port);
 	return 0;
 }

 //=============================================================================
	/*
	Copyright (C) 1996-1997 Id Software, Inc.

	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; either version 2
	of the License, or (at your option) any later version.

	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.

	*/
	// net_mpath.c

	#include <dpmi.h>
	#include "quakedef.h"
	#include "mpdosock.h"

	short flat_selector;

	int WSAGetLastError(void);
	void sockets_flush(void);

	extern cvar_t hostname;

	#define MAXHOSTNAMELEN 256

	static int net_acceptsocket = -1; // socket for fielding new connections
	static int net_controlsocket;
	static int net_broadcastsocket = 0;
	//static qboolean ifbcastinit = false;
	static struct qsockaddr broadcastaddr;

	static unsigned long myAddr;

	#include "net_mp.h"


	//=============================================================================

	int MPATH_Init (void)
	{
	int i;
	struct hostent *local = NULL;
	char buff[MAXHOSTNAMELEN];
	struct qsockaddr addr;
	char *p;

	if (COM_CheckParm ("-mpath") == 0)
	return -1;

	flat_selector = __dpmi_allocate_ldt_descriptors(1);
	if (flat_selector == -1) {
	Con_Printf("MPATH_Init: Can't get flat selector\n");
	return -1;
	}
	if (__dpmi_set_segment_base_address(flat_selector, 0) == -1) {
	Con_Printf("MPATH_Init: Can't seg flat base!\n");
	return -1;
	}
	if (__dpmi_set_segment_limit(flat_selector, 0xffffffff) == -1) {
	Con_Printf("MPATH_Init: Can't set segment limit\n");
	return -1;
	}
	// determine my name & address
	if (gethostname(buff, MAXHOSTNAMELEN) == 0)
	local = gethostbyname(buff);
	if (local)
	{
	myAddr = (int )local->h_addr_list[0];

	// if the quake hostname isn't set, set it to the machine name
	if (Q_strcmp(hostname.string, "UNNAMED") == 0)
	{
	// see if it's a text IP address (well, close enough)
	for (p = buff; *p; p++)
	if ((p < '0' \|\| p > '9') && *p != '.')
	break;

	// if it is a real name, strip off the domain; we only want the host
	if (*p)
	{
	for (i = 0; i < 15; i++)
	if (buff[i] == '.')
	break;
	buff[i] = 0;
	}
	Cvar_Set ("hostname", buff);
	}
	}

	if ((net_controlsocket = MPATH_OpenSocket (0)) == -1)
	Sys_Error("MPATH_Init: Unable to open control socket\n");

	((struct sockaddr_in *)&broadcastaddr)->sin_family = AF_INET;
	((struct sockaddr_in *)&broadcastaddr)->sin_addr.s_addr = INADDR_BROADCAST;
	((struct sockaddr_in *)&broadcastaddr)->sin_port = htons(net_hostport);

	MPATH_GetSocketAddr (net_controlsocket, &addr);
	Q_strcpy(my_tcpip_address, MPATH_AddrToString (&addr));
	p = Q_strrchr (my_tcpip_address, ':');
	if (p)
	*p = 0;

	Con_Printf("MPath Initialized\n");
	tcpipAvailable = true;

	return net_controlsocket;
	}

	//=============================================================================

	void MPATH_Shutdown (void)
	{
	MPATH_Listen (false);
	MPATH_CloseSocket (net_controlsocket);
	}

	//=============================================================================

	void MPATH_Listen (qboolean state)
	{
	// enable listening
	if (state)
	{
	if (net_acceptsocket != -1)
	return;
	if ((net_acceptsocket = MPATH_OpenSocket (net_hostport)) == -1)
	Sys_Error ("MPATH_Listen: Unable to open accept socket\n");
	return;
	}

	// disable listening
	if (net_acceptsocket == -1)
	return;
	MPATH_CloseSocket (net_acceptsocket);
	net_acceptsocket = -1;
	}

	//=============================================================================

	int MPATH_OpenSocket (int port)
	{
	int newsocket;
	struct sockaddr_in address;
	u_long _true = 1;

	if ((newsocket = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
	return -1;

	if (ioctlsocket (newsocket, FIONBIO, &_true) == -1)
	goto ErrorReturn;

	address.sin_family = AF_INET;
	address.sin_addr.s_addr = INADDR_ANY;
	address.sin_port = htons(port);
	if( bind (newsocket, (void *)&address, sizeof(address)) == -1)
	goto ErrorReturn;

	return newsocket;

	ErrorReturn:
	closesocket (newsocket);
	return -1;
	}

	//=============================================================================

	int MPATH_CloseSocket (int socket)
	{
	if (socket == net_broadcastsocket)
	net_broadcastsocket = 0;
	return closesocket (socket);
	}


	//=============================================================================
	/*
	============
	PartialIPAddress

	this lets you type only as much of the net address as required, using
	the local network components to fill in the rest
	============
	*/
	static int PartialIPAddress (char in, struct qsockaddr hostaddr)
	{
	char buff[256];
	char *b;
	int addr;
	int num;
	int mask;
	int run;
	int port;

	buff[0] = '.';
	b = buff;
	strcpy(buff+1, in);
	if (buff[1] == '.')
	b++;

	addr = 0;
	mask=-1;
	while (*b == '.')
	{
	b++;
	num = 0;
	run = 0;
	while (!( b < '0' \|\| b > '9'))
	{
	num = num10 + b++ - '0';
	if (++run > 3)
	return -1;
	}
	if ((b < '0' \|\| b > '9') && b != '.' && b != ':' && *b != 0)
	return -1;
	if (num < 0 \|\| num > 255)
	return -1;
	mask<<=8;
	addr = (addr<<8) + num;
	}

	if (*b++ == ':')
	port = Q_atoi(b);
	else
	port = net_hostport;

	hostaddr->sa_family = AF_INET;
	((struct sockaddr_in *)hostaddr)->sin_port = htons((short)port);
	((struct sockaddr_in *)hostaddr)->sin_addr.s_addr = (myAddr & htonl(mask)) \| htonl(addr);

	return 0;
	}
	//=============================================================================

	int MPATH_Connect (int socket, struct qsockaddr *addr)
	{
	return 0;
	}

	//=============================================================================

	int MPATH_CheckNewConnections (void)
	{
	char buf[4];

	if (net_acceptsocket == -1)
	return -1;

	if (recvfrom (net_acceptsocket, buf, 4, MSG_PEEK, NULL, NULL) > 0)
	return net_acceptsocket;
	return -1;
	}

	//=============================================================================

	int MPATH_Read (int socket, byte buf, int len, struct qsockaddr addr)
	{
	int addrlen = sizeof (struct qsockaddr);
	int ret;

	ret = recvfrom (socket, buf, len, 0, (struct sockaddr *)addr, &addrlen);
	if (ret == -1)
	{
	int errno = WSAGetLastError();

	if (errno == WSAEWOULDBLOCK \|\| errno == WSAECONNREFUSED)
	return 0;

	}
	return ret;
	}

	//=============================================================================

	int MPATH_MakeSocketBroadcastCapable (int socket)
	{
	int i = 1;

	// make this socket broadcast capable
	if (setsockopt(socket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) < 0)
	return -1;
	net_broadcastsocket = socket;

	return 0;
	}

	//=============================================================================

	int MPATH_Broadcast (int socket, byte *buf, int len)
	{
	int ret;

	if (socket != net_broadcastsocket)
	{
	if (net_broadcastsocket != 0)
	Sys_Error("Attempted to use multiple broadcasts sockets\n");
	ret = MPATH_MakeSocketBroadcastCapable (socket);
	if (ret == -1)
	{
	Con_Printf("Unable to make socket broadcast capable\n");
	return ret;
	}
	}

	return MPATH_Write (socket, buf, len, &broadcastaddr);
	}

	//=============================================================================

	int MPATH_Write (int socket, byte buf, int len, struct qsockaddr addr)
	{
	int ret;

	ret = sendto (socket, buf, len, 0, (struct sockaddr *)addr, sizeof(struct qsockaddr));
	if (ret == -1)
	if (WSAGetLastError() == WSAEWOULDBLOCK)
	return 0;

	sockets_flush();

	return ret;
	}

	//=============================================================================

	char MPATH_AddrToString (struct qsockaddr addr)
	{
	static char buffer[22];
	int haddr;

	haddr = ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr);
	sprintf(buffer, "%d.%d.%d.%d:%d", (haddr >> 24) & 0xff, (haddr >> 16) & 0xff, (haddr >> 8) & 0xff, haddr & 0xff, ntohs(((struct sockaddr_in *)addr)->sin_port));
	return buffer;
	}

	//=============================================================================

	int MPATH_StringToAddr (char string, struct qsockaddr addr)
	{
	int ha1, ha2, ha3, ha4, hp;
	int ipaddr;

	sscanf(string, "%d.%d.%d.%d:%d", &ha1, &ha2, &ha3, &ha4, &hp);
	ipaddr = (ha1 << 24) \| (ha2 << 16) \| (ha3 << 8) \| ha4;

	addr->sa_family = AF_INET;
	((struct sockaddr_in *)addr)->sin_addr.s_addr = htonl(ipaddr);
	((struct sockaddr_in *)addr)->sin_port = htons(hp);
	return 0;
	}

	//=============================================================================

	int MPATH_GetSocketAddr (int socket, struct qsockaddr *addr)
	{
	int addrlen = sizeof(struct qsockaddr);
	unsigned int a;

	Q_memset(addr, 0, sizeof(struct qsockaddr));
	getsockname(socket, (struct sockaddr *)addr, &addrlen);
	a = ((struct sockaddr_in *)addr)->sin_addr.s_addr;
	if (a == 0 \|\| a == inet_addr("127.0.0.1"))
	((struct sockaddr_in *)addr)->sin_addr.s_addr = myAddr;

	return 0;
	}

	//=============================================================================

	int MPATH_GetNameFromAddr (struct qsockaddr addr, char name)
	{
	struct hostent *hostentry;

	hostentry = gethostbyaddr ((char )&((struct sockaddr_in )addr)->sin_addr, sizeof(struct in_addr), AF_INET);
	if (hostentry)
	{
	Q_strncpy (name, (char *)hostentry->h_name, NET_NAMELEN - 1);
	return 0;
	}

	Q_strcpy (name, MPATH_AddrToString (addr));
	return 0;
	}

	//=============================================================================

	int MPATH_GetAddrFromName(char name, struct qsockaddr addr)
	{
	struct hostent *hostentry;

	if (name[0] >= '0' && name[0] <= '9')
	return PartialIPAddress (name, addr);

	hostentry = gethostbyname (name);
	if (!hostentry)
	return -1;

	addr->sa_family = AF_INET;
	((struct sockaddr_in *)addr)->sin_port = htons(net_hostport);
	((struct sockaddr_in )addr)->sin_addr.s_addr = (int *)hostentry->h_addr_list[0];

	return 0;
	}

	//=============================================================================

	int MPATH_AddrCompare (struct qsockaddr addr1, struct qsockaddr addr2)
	{
	if (addr1->sa_family != addr2->sa_family)
	return -1;

	if (((struct sockaddr_in )addr1)->sin_addr.s_addr != ((struct sockaddr_in )addr2)->sin_addr.s_addr)
	return -1;

	if (((struct sockaddr_in )addr1)->sin_port != ((struct sockaddr_in )addr2)->sin_port)
	return 1;

	return 0;
	}

	//=============================================================================

	int MPATH_GetSocketPort (struct qsockaddr *addr)
	{
	return ntohs(((struct sockaddr_in *)addr)->sin_port);
	}


	int MPATH_SetSocketPort (struct qsockaddr *addr, int port)
	{
	((struct sockaddr_in *)addr)->sin_port = htons(port);
	return 0;
	}

	//=============================================================================