748 lines
17 KiB
C++
748 lines
17 KiB
C++
// net_wins.c
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//Anything above this #include will be ignored by the compiler
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#include "../qcommon/exe_headers.h"
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#include "win_local.h"
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#include "../xbox/XBLive.h"
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static WSADATA winsockdata;
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static qboolean winsockInitialized = qfalse;
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static qboolean networkingEnabled = qfalse;
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static cvar_t *net_noudp;
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static SOCKET v_socket = INVALID_SOCKET;
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static SOCKET ip_socket = INVALID_SOCKET;
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static SOCKET ip_broadcast_socket = INVALID_SOCKET;
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#define MAX_IPS 16
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static int numIP;
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static byte localIP[MAX_IPS][4];
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byte broadcast_nonce[8]; //Used to uniquely identify broadcast messages bound for this server
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//=============================================================================
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/*
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====================
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NET_ErrorString
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====================
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*/
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char *NET_ErrorString( void ) {
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int code;
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code = WSAGetLastError();
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switch( code ) {
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case WSAEINTR: return "WSAEINTR";
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case WSAEBADF: return "WSAEBADF";
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case WSAEACCES: return "WSAEACCES";
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case WSAEDISCON: return "WSAEDISCON";
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case WSAEFAULT: return "WSAEFAULT";
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case WSAEINVAL: return "WSAEINVAL";
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case WSAEMFILE: return "WSAEMFILE";
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case WSAEWOULDBLOCK: return "WSAEWOULDBLOCK";
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case WSAEINPROGRESS: return "WSAEINPROGRESS";
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case WSAEALREADY: return "WSAEALREADY";
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case WSAENOTSOCK: return "WSAENOTSOCK";
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case WSAEDESTADDRREQ: return "WSAEDESTADDRREQ";
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case WSAEMSGSIZE: return "WSAEMSGSIZE";
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case WSAEPROTOTYPE: return "WSAEPROTOTYPE";
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case WSAENOPROTOOPT: return "WSAENOPROTOOPT";
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case WSAEPROTONOSUPPORT: return "WSAEPROTONOSUPPORT";
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case WSAESOCKTNOSUPPORT: return "WSAESOCKTNOSUPPORT";
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case WSAEOPNOTSUPP: return "WSAEOPNOTSUPP";
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case WSAEPFNOSUPPORT: return "WSAEPFNOSUPPORT";
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case WSAEAFNOSUPPORT: return "WSAEAFNOSUPPORT";
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case WSAEADDRINUSE: return "WSAEADDRINUSE";
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case WSAEADDRNOTAVAIL: return "WSAEADDRNOTAVAIL";
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case WSAENETDOWN: return "WSAENETDOWN";
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case WSAENETUNREACH: return "WSAENETUNREACH";
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case WSAENETRESET: return "WSAENETRESET";
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case WSAECONNABORTED: return "WSWSAECONNABORTEDAEINTR";
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case WSAECONNRESET: return "WSAECONNRESET";
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case WSAENOBUFS: return "WSAENOBUFS";
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case WSAEISCONN: return "WSAEISCONN";
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case WSAENOTCONN: return "WSAENOTCONN";
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case WSAESHUTDOWN: return "WSAESHUTDOWN";
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case WSAETOOMANYREFS: return "WSAETOOMANYREFS";
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case WSAETIMEDOUT: return "WSAETIMEDOUT";
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case WSAECONNREFUSED: return "WSAECONNREFUSED";
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case WSAELOOP: return "WSAELOOP";
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case WSAENAMETOOLONG: return "WSAENAMETOOLONG";
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case WSAEHOSTDOWN: return "WSAEHOSTDOWN";
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case WSASYSNOTREADY: return "WSASYSNOTREADY";
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case WSAVERNOTSUPPORTED: return "WSAVERNOTSUPPORTED";
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case WSANOTINITIALISED: return "WSANOTINITIALISED";
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case WSAHOST_NOT_FOUND: return "WSAHOST_NOT_FOUND";
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case WSATRY_AGAIN: return "WSATRY_AGAIN";
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case WSANO_RECOVERY: return "WSANO_RECOVERY";
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case WSANO_DATA: return "WSANO_DATA";
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case WSAEHOSTUNREACH: return "WSAEHOSTUNREACH";
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default: return "NO ERROR";
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}
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}
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void NetadrToSockadr( netadr_t *a, struct sockaddr *s ) {
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memset( s, 0, sizeof(*s) );
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if( a->type == NA_BROADCAST ) {
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((struct sockaddr_in *)s)->sin_family = AF_INET;
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((struct sockaddr_in *)s)->sin_port = a->port;
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((struct sockaddr_in *)s)->sin_addr.s_addr = INADDR_BROADCAST;
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}
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else if( a->type == NA_IP ) {
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((struct sockaddr_in *)s)->sin_family = AF_INET;
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((struct sockaddr_in *)s)->sin_addr.s_addr = *(int *)&a->ip;
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((struct sockaddr_in *)s)->sin_port = a->port;
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}
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}
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void SockadrToNetadr( struct sockaddr *s, netadr_t *a ) {
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if (s->sa_family == AF_INET) {
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a->type = NA_IP;
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*(int *)&a->ip = ((struct sockaddr_in *)s)->sin_addr.s_addr;
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a->port = ((struct sockaddr_in *)s)->sin_port;
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}
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}
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/*
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=============
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Sys_StringToAdr
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idnewt
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192.246.40.70
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12121212.121212121212
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=============
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*/
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#define DO(src,dest) \
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copy[0] = s[src]; \
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copy[1] = s[src + 1]; \
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sscanf (copy, "%x", &val); \
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((struct sockaddr_ipx *)sadr)->dest = val
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qboolean Sys_StringToSockaddr( const char *s, struct sockaddr *sadr ) {
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memset( sadr, 0, sizeof( *sadr ) );
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((struct sockaddr_in *)sadr)->sin_family = AF_INET;
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((struct sockaddr_in *)sadr)->sin_port = 0;
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if( s[0] >= '0' && s[0] <= '9' ) {
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*(int *)&((struct sockaddr_in *)sadr)->sin_addr = inet_addr(s);
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} else {
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return qfalse;
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}
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return qtrue;
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}
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#undef DO
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/*
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=============
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Sys_StringToAdr
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idnewt
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192.246.40.70
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=============
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*/
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qboolean Sys_StringToAdr( const char *s, netadr_t *a ) {
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struct sockaddr sadr;
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if ( !Sys_StringToSockaddr( s, &sadr ) ) {
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return qfalse;
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}
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SockadrToNetadr( &sadr, a );
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return qtrue;
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}
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//=============================================================================
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/*
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==================
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Sys_GetPacket
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Never called by the game logic, just the system event queing
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==================
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*/
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qboolean Sys_GetPacket( netadr_t *net_from, msg_t *net_message )
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{
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SOCKET net_socket = ip_socket;
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struct sockaddr from;
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int fromlen = sizeof(from);
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int ret = recvfrom( net_socket, (char *)net_message->data, net_message->maxsize, 0, &from, &fromlen );
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if (ret == SOCKET_ERROR)
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{
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int err = WSAGetLastError();
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if( err == WSAEWOULDBLOCK || err == WSAECONNRESET ) {
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return qfalse;
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}
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Com_Printf( "NET_GetPacket: %s\n", NET_ErrorString() );
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return qfalse;
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}
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memset( ((struct sockaddr_in *)&from)->sin_zero, 0, 8 );
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SockadrToNetadr( &from, net_from );
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net_message->readcount = 0;
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if( ret == net_message->maxsize ) {
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Com_Printf( "Oversize packet from %s\n", NET_AdrToString (*net_from) );
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return qfalse;
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}
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net_message->cursize = ret;
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return qtrue;
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}
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qboolean Sys_GetBroadcastPacket( msg_t *net_message )
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{
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SOCKET net_socket = ip_broadcast_socket;
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struct sockaddr from;
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int fromlen = sizeof(from);
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int ret = recvfrom( net_socket, (char*)net_message->data, net_message->maxsize, 0, &from, &fromlen );
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if (ret == SOCKET_ERROR)
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{
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int err = WSAGetLastError();
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if( err == WSAEWOULDBLOCK ) {//|| err == WSAECONNRESET ) {
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return qfalse;
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}
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Com_Printf( "NET_GetPacket: %s\n", NET_ErrorString() );
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return qfalse;
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}
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net_message->readcount = 0;
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if( ret == net_message->maxsize ) {
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Com_Printf("Oversized broadcast packet\n");
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return qfalse;
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}
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net_message->cursize = ret;
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return qtrue;
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}
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//=============================================================================
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/*
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==================
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Sys_SendVoicePacket
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==================
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*/
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void Sys_SendVoicePacket( int length, const void *data, netadr_t to ) {
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int ret;
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struct sockaddr addr;
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// check for valid packet intentions (direct send only!)
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if( to.type != NA_IP ) {
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Com_Error( ERR_FATAL, "Sys_SendVoicePacket: bad address type" );
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return;
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}
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// check we have our voice socket set up
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if( v_socket == INVALID_SOCKET ) {
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return;
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}
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NetadrToSockadr( &to, &addr );
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ret = sendto( v_socket, (const char *)data, length, 0, &addr, sizeof(addr) );
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if( ret == SOCKET_ERROR ) {
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int err = WSAGetLastError();
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// wouldblock is silent
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if( err == WSAEWOULDBLOCK ) {
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return;
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}
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Com_DPrintf( "NET_SendVoicePacket: %s\n", NET_ErrorString() );
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}
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}
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/*
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==================
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Sys_SendPacket
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==================
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*/
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bool Sys_SendPacket( int length, const void *data, netadr_t to ) {
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int ret;
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struct sockaddr addr;
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SOCKET net_socket;
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if( to.type == NA_BROADCAST ) {
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net_socket = ip_broadcast_socket;
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}
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else if( to.type == NA_IP ) {
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net_socket = ip_socket;
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}
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else {
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Com_Error( ERR_FATAL, "Sys_SendPacket: bad address type" );
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return false;
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}
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if( net_socket == INVALID_SOCKET) {
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return false;
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}
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NetadrToSockadr( &to, &addr );
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ret = sendto( net_socket, (const char *)data, length, 0, &addr, sizeof(addr) );
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if( ret == SOCKET_ERROR ) {
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int err = WSAGetLastError();
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// wouldblock is silent
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if( err == WSAEWOULDBLOCK ) {
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return false;
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}
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// some PPP links do not allow broadcasts and return an error
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// if( (err == WSAEADDRNOTAVAIL) && ( to.type == NA_BROADCAST ) ) {
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// return;
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// }
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#ifndef FINAL_BUILD
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Com_Printf( "NET_SendPacket: %s\n", NET_ErrorString() );
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#endif
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return false;
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}
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return true;
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}
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/*
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==================
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Sys_SendBroadcastPacket
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==================
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*/
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void Sys_SendBroadcastPacket( int length, const void *data )
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{
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// Setup the broadcast address
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netadr_t to;
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Com_Memset( &to, 0, sizeof( to ) );
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to.port = BigShort( (short)(PORT_BROADCAST) );
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to.type = NA_BROADCAST;
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Sys_SendPacket(length, data, to);
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}
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//=============================================================================
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/*
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==================
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Sys_IsLANAddress
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LAN clients will have their rate var ignored
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==================
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*/
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qboolean Sys_IsLANAddress( netadr_t adr ) {
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int i;
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if( adr.type == NA_LOOPBACK ) {
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return qtrue;
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}
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if( adr.type != NA_IP ) {
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return qfalse;
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}
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// choose which comparison to use based on the class of the address being tested
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// any local adresses of a different class than the address being tested will fail based on the first byte
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if( adr.ip[0] == 127 && adr.ip[1] == 0 && adr.ip[2] == 0 && adr.ip[3] == 1 ) {
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return qtrue;
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}
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if ( (adr.ip[0] == 192 && adr.ip[1] == 168) ||
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(adr.ip[0] == 10 && adr.ip[1] == 100) ||
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(adr.ip[0] == 172 && adr.ip[1] == 16) )
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{
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return qtrue;
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}
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/*
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// Class A
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if( (adr.ip[0] & 0x80) == 0x00 ) {
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for ( i = 0 ; i < numIP ; i++ ) {
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if( adr.ip[0] == localIP[i][0] ) {
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return qtrue;
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}
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}
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// the RFC1918 class a block will pass the above test
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return qfalse;
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}
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// Class B
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if( (adr.ip[0] & 0xc0) == 0x80 ) {
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for ( i = 0 ; i < numIP ; i++ ) {
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if( adr.ip[0] == localIP[i][0] && adr.ip[1] == localIP[i][1] ) {
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return qtrue;
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}
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// also check against the RFC1918 class b blocks
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if( adr.ip[0] == 172 && localIP[i][0] == 172 && (adr.ip[1] & 0xf0) == 16 && (localIP[i][1] & 0xf0) == 16 ) {
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return qtrue;
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}
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}
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return qfalse;
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}
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*/
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//we only look at class C since ISPs and Universities are using class A but we don't want to consider them on the same LAN.
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// Class C
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for ( i = 0 ; i < numIP ; i++ ) {
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if( adr.ip[0] == localIP[i][0] && adr.ip[1] == localIP[i][1] && adr.ip[2] == localIP[i][2] ) {
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return qtrue;
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}
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//check for both on a local lan type thing
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if( adr.ip[0] == 10 && localIP[i][0] == 10 )
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{
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return qtrue;
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}
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// also check against the RFC1918 class c blocks
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// if( adr.ip[0] == 192 && localIP[i][0] == 192 && adr.ip[1] == 168 && localIP[i][1] == 168 ) {
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// return qtrue;
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// }
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}
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return qfalse;
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}
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/*
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==================
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Sys_ShowIP
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==================
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*/
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void Sys_ShowIP(void) {
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int i;
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for (i = 0; i < numIP; i++) {
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Com_Printf( "IP: %i.%i.%i.%i\n", localIP[i][0], localIP[i][1], localIP[i][2], localIP[i][3] );
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}
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}
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//=============================================================================
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/*
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====================
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NET_IPSocket
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====================
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*/
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int NET_IPSocket( char *net_interface, int port, bool broadcast ) {
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SOCKET newsocket;
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struct sockaddr_in address;
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qboolean _true = qtrue;
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int i = 1;
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int err;
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if( net_interface ) {
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Com_Printf( "Opening IP socket: %s:%i\n", net_interface, port );
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}
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else {
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Com_Printf( "Opening IP socket: localhost:%i\n", port );
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}
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if( ( newsocket = socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP ) ) == INVALID_SOCKET ) {
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err = WSAGetLastError();
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if( err != WSAEAFNOSUPPORT ) {
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Com_Printf( "WARNING: UDP_OpenSocket: socket: %s\n", NET_ErrorString() );
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}
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return INVALID_SOCKET;
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}
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// make it non-blocking
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if( ioctlsocket( newsocket, FIONBIO, (unsigned long *)&_true ) == SOCKET_ERROR ) {
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Com_Printf( "WARNING: UDP_OpenSocket: ioctl FIONBIO: %s\n", NET_ErrorString() );
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return INVALID_SOCKET;
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}
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// make it broadcast capable - but only if requested. we don't want our main socket to get bogged down:
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if (!broadcast)
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i = 0;
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if( setsockopt( newsocket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i) ) == SOCKET_ERROR ) {
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Com_Printf( "WARNING: UDP_OpenSocket: setsockopt SO_BROADCAST: %s\n", NET_ErrorString() );
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return INVALID_SOCKET;
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}
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i = 1;
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if( !net_interface || !net_interface[0] || !Q_stricmp(net_interface, "localhost") ) {
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address.sin_addr.s_addr = INADDR_ANY;
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}
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else {
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Sys_StringToSockaddr( net_interface, (struct sockaddr *)&address );
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}
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if( port == PORT_ANY ) {
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address.sin_port = 0;
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}
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else {
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address.sin_port = htons( (short)port );
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}
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address.sin_family = AF_INET;
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if( bind( newsocket, (const struct sockaddr *)&address, sizeof(address) ) == SOCKET_ERROR ) {
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Com_Printf( "WARNING: UDP_OpenSocket: bind: %s\n", NET_ErrorString() );
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closesocket( newsocket );
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return INVALID_SOCKET;
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}
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return newsocket;
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}
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/*
|
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=====================
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NET_GetLocalAddress
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=====================
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*/
|
|
// Xbox version supports the force option, so we can prime the
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// system and hopefully be getting an IP while Com_Init() is running.
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void NET_GetLocalAddress( bool force )
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{
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XNADDR xnMyAddr;
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DWORD dwStatus;
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do
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{
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// Repeat while pending; OK to do other work in this loop
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dwStatus = XNetGetTitleXnAddr( &xnMyAddr );
|
|
} while( dwStatus == XNET_GET_XNADDR_PENDING && force );
|
|
|
|
// Error checking
|
|
if( dwStatus == XNET_GET_XNADDR_NONE )
|
|
{
|
|
// If this wasn't the final (necessary) call, then don't worry
|
|
if( force )
|
|
assert(!"Error getting XBox title address.");
|
|
return;
|
|
}
|
|
|
|
*(u_long*)&localIP[0] = xnMyAddr.ina.S_un.S_addr;
|
|
*(u_long*)localIP[1] = 0;
|
|
*(u_long*)localIP[2] = 0;
|
|
*(u_long*)localIP[3] = 0;
|
|
|
|
Com_Printf( "IP: %i.%i.%i.%i\n", localIP[0], localIP[1], localIP[2], localIP[3] );
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_OpenIP
|
|
====================
|
|
*/
|
|
void NET_OpenIP( void ) {
|
|
cvar_t *ip;
|
|
int port;
|
|
int i;
|
|
|
|
ip = Cvar_Get( "net_ip", "localhost", CVAR_LATCH );
|
|
|
|
// Don't do the silly quake thing where we keep trying new port numbers.
|
|
// We can't run more than one server per xbox. And make sure that our ip socket
|
|
// is NOT broadcast capable, so that the game logic doesn't get confused.
|
|
ip_socket = NET_IPSocket( ip->string, PORT_SERVER, false );
|
|
if ( ip_socket ) {
|
|
Cvar_SetValue( "net_port", PORT_SERVER );
|
|
NET_GetLocalAddress( false );
|
|
return;
|
|
}
|
|
|
|
Com_Printf( "WARNING: Couldn't allocate IP port\n");
|
|
}
|
|
|
|
void NET_OpenBroadcastIP()
|
|
{
|
|
// This s the only socket that will be used for broadcast
|
|
// (session discovery on system link)
|
|
ip_broadcast_socket = NET_IPSocket(NULL, PORT_BROADCAST, true);
|
|
}
|
|
|
|
|
|
//===================================================================
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_GetCvars
|
|
====================
|
|
*/
|
|
static qboolean NET_GetCvars( void ) {
|
|
qboolean modified;
|
|
|
|
modified = qfalse;
|
|
|
|
if( net_noudp && net_noudp->modified ) {
|
|
modified = qtrue;
|
|
}
|
|
net_noudp = Cvar_Get( "net_noudp", "0", CVAR_LATCH | CVAR_ARCHIVE );
|
|
|
|
return modified;
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_Config
|
|
====================
|
|
*/
|
|
void NET_Config( qboolean enableNetworking ) {
|
|
qboolean modified;
|
|
qboolean stop;
|
|
qboolean start;
|
|
|
|
// get any latched changes to cvars
|
|
modified = NET_GetCvars();
|
|
|
|
if( net_noudp->integer ) {
|
|
enableNetworking = qfalse;
|
|
}
|
|
|
|
// if enable state is the same and no cvars were modified, we have nothing to do
|
|
if( enableNetworking == networkingEnabled && !modified ) {
|
|
return;
|
|
}
|
|
|
|
if( enableNetworking == networkingEnabled ) {
|
|
if( enableNetworking ) {
|
|
stop = qtrue;
|
|
start = qtrue;
|
|
}
|
|
else {
|
|
stop = qfalse;
|
|
start = qfalse;
|
|
}
|
|
}
|
|
else {
|
|
if( enableNetworking ) {
|
|
stop = qfalse;
|
|
start = qtrue;
|
|
}
|
|
else {
|
|
stop = qtrue;
|
|
start = qfalse;
|
|
}
|
|
networkingEnabled = enableNetworking;
|
|
}
|
|
|
|
if( stop ) {
|
|
if ( ip_socket && ip_socket != INVALID_SOCKET ) {
|
|
closesocket( ip_socket );
|
|
ip_socket = INVALID_SOCKET;
|
|
}
|
|
if ( ip_broadcast_socket && ip_broadcast_socket != INVALID_SOCKET ) {
|
|
closesocket( ip_broadcast_socket );
|
|
ip_broadcast_socket = INVALID_SOCKET;
|
|
}
|
|
}
|
|
|
|
if( start ) {
|
|
if (! net_noudp->integer ) {
|
|
NET_OpenIP();
|
|
NET_OpenBroadcastIP();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_Init
|
|
====================
|
|
*/
|
|
void NET_Init( void ) {
|
|
|
|
// Run NetStartup with security bypassed
|
|
// this allows us to communicate with PCs while developing
|
|
XNetStartupParams xnsp;
|
|
ZeroMemory( &xnsp, sizeof(xnsp) );
|
|
xnsp.cfgSizeOfStruct = sizeof(xnsp);
|
|
|
|
#ifndef FINAL_BUILD
|
|
xnsp.cfgFlags |= XNET_STARTUP_BYPASS_SECURITY;
|
|
#endif
|
|
|
|
INT err = XNetStartup( &xnsp );
|
|
if( err != NO_ERROR ) {
|
|
Com_Printf( "ERROR: XNetStartup Failed: %d\n", err );
|
|
return;
|
|
}
|
|
|
|
int r = WSAStartup( MAKEWORD(2,2), &winsockdata );
|
|
if( r ) {
|
|
Com_Printf( "WARNING: Winsock initialization failed, returned %d\n", r );
|
|
return;
|
|
}
|
|
|
|
//Initialize the broadcast nonce
|
|
XNetRandom( broadcast_nonce, sizeof(broadcast_nonce) );
|
|
|
|
winsockInitialized = qtrue;
|
|
Com_Printf( "Winsock Initialized\n" );
|
|
|
|
// this is really just to get the cvars registered
|
|
NET_GetCvars();
|
|
|
|
NET_Config( qtrue );
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_Shutdown
|
|
====================
|
|
*/
|
|
void NET_Shutdown( void ) {
|
|
if ( !winsockInitialized ) {
|
|
return;
|
|
}
|
|
|
|
NET_Config( qfalse );
|
|
WSACleanup();
|
|
winsockInitialized = qfalse;
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_Sleep
|
|
|
|
sleeps msec or until net socket is ready
|
|
====================
|
|
*/
|
|
void NET_Sleep( int msec ) {
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_Restart_f
|
|
====================
|
|
*/
|
|
void NET_Restart( void ) {
|
|
NET_Config( networkingEnabled );
|
|
}
|