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Überarbeite den low leven network code
This commit is contained in:
Yamagi Burmeister
parent
785af02361
commit
4c14053424
3 changed files with 375 additions and 367 deletions
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@ -467,7 +467,6 @@ typedef struct
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unsigned short port;
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} netadr_t;
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void NET_Init (void);
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void NET_Shutdown (void);
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void NET_Config (qboolean multiplayer);
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@ -247,7 +247,6 @@ void Qcommon_Init (int argc, char **argv)
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Sys_Init ();
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NET_Init ();
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Netchan_Init ();
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SV_Init ();
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@ -1,22 +1,28 @@
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/*
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Copyright (C) 1997-2001 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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* Copyright (C) 1997-2001 Id Software, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* =======================================================================
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*
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* Low level network code, based upon the BSD socket api.
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*
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* =======================================================================
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*/
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#include "../common/header/common.h"
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@ -31,525 +37,529 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include <errno.h>
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#include <arpa/inet.h>
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netadr_t net_local_adr;
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netadr_t net_local_adr;
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#define LOOPBACK 0x7f000001
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#define MAX_LOOPBACK 4
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#define LOOPBACK 0x7f000001
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#define MAX_LOOPBACK 4
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typedef struct
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{
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byte data[MAX_MSGLEN];
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int datalen;
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byte data [ MAX_MSGLEN ];
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int datalen;
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} loopmsg_t;
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typedef struct
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{
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loopmsg_t msgs[MAX_LOOPBACK];
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int get, send;
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loopmsg_t msgs [ MAX_LOOPBACK ];
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int get, send;
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} loopback_t;
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loopback_t loopbacks[2];
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int ip_sockets[2];
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int ipx_sockets[2];
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loopback_t loopbacks [ 2 ];
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int ip_sockets [ 2 ];
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int ipx_sockets [ 2 ];
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int NET_Socket (char *net_interface, int port);
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char *NET_ErrorString (void);
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int NET_Socket ( char *net_interface, int port );
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char *NET_ErrorString ( void );
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//=============================================================================
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void NetadrToSockadr (netadr_t *a, struct sockaddr_in *s)
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void
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NetadrToSockadr ( netadr_t *a, struct sockaddr_in *s )
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{
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memset (s, 0, sizeof(*s));
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memset( s, 0, sizeof ( *s ) );
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if (a->type == NA_BROADCAST)
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if ( a->type == NA_BROADCAST )
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{
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s->sin_family = AF_INET;
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s->sin_port = a->port;
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*(int *)&s->sin_addr = -1;
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*(int *) &s->sin_addr = -1;
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}
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else if (a->type == NA_IP)
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else if ( a->type == NA_IP )
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{
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s->sin_family = AF_INET;
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*(int *)&s->sin_addr = *(int *)&a->ip;
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*(int *) &s->sin_addr = *(int *) &a->ip;
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s->sin_port = a->port;
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}
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}
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void SockadrToNetadr (struct sockaddr_in *s, netadr_t *a)
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void
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SockadrToNetadr ( struct sockaddr_in *s, netadr_t *a )
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{
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*(int *)&a->ip = *(int *)&s->sin_addr;
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*(int *) &a->ip = *(int *) &s->sin_addr;
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a->port = s->sin_port;
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a->type = NA_IP;
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}
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qboolean NET_CompareAdr (netadr_t a, netadr_t b)
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qboolean
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NET_CompareAdr ( netadr_t a, netadr_t b )
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{
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if (a.ip[0] == b.ip[0] && a.ip[1] == b.ip[1] && a.ip[2] == b.ip[2] && a.ip[3] == b.ip[3] && a.port == b.port)
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return true;
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return false;
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if ( ( a.ip [ 0 ] == b.ip [ 0 ] ) && ( a.ip [ 1 ] == b.ip [ 1 ] ) && ( a.ip [ 2 ] == b.ip [ 2 ] ) &&
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( a.ip [ 3 ] == b.ip [ 3 ] ) && ( a.port == b.port ) )
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{
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return ( true );
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}
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return ( false );
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}
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/*
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===================
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NET_CompareBaseAdr
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Compares without the port
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===================
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*/
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qboolean NET_CompareBaseAdr (netadr_t a, netadr_t b)
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* Compares without the port
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*/
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qboolean
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NET_CompareBaseAdr ( netadr_t a, netadr_t b )
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{
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if (a.type != b.type)
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return false;
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if (a.type == NA_LOOPBACK)
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return true;
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if (a.type == NA_IP)
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if ( a.type != b.type )
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{
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if (a.ip[0] == b.ip[0] && a.ip[1] == b.ip[1] && a.ip[2] == b.ip[2] && a.ip[3] == b.ip[3])
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return true;
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return false;
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return ( false );
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}
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if (a.type == NA_IPX)
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if ( a.type == NA_LOOPBACK )
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{
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if ((memcmp(a.ipx, b.ipx, 10) == 0))
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return true;
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return false;
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return ( true );
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}
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return false;
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if ( a.type == NA_IP )
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{
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if ( ( a.ip [ 0 ] == b.ip [ 0 ] ) && ( a.ip [ 1 ] == b.ip [ 1 ] ) && ( a.ip [ 2 ] == b.ip [ 2 ] ) &&
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( a.ip [ 3 ] == b.ip [ 3 ] ) )
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{
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return ( true );
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}
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return ( false );
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}
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if ( a.type == NA_IPX )
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{
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if ( ( memcmp( a.ipx, b.ipx, 10 ) == 0 ) )
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{
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return ( true );
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}
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return ( false );
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}
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return ( false );
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}
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char *NET_AdrToString (netadr_t a)
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char *
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NET_AdrToString ( netadr_t a )
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{
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static char s[64];
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Com_sprintf (s, sizeof(s), "%i.%i.%i.%i:%i", a.ip[0], a.ip[1], a.ip[2], a.ip[3], ntohs(a.port));
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static char s [ 64 ];
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return s;
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Com_sprintf( s, sizeof ( s ), "%i.%i.%i.%i:%i", a.ip [ 0 ], a.ip [ 1 ], a.ip [ 2 ], a.ip [ 3 ], ntohs( a.port ) );
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return ( s );
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}
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char *NET_BaseAdrToString (netadr_t a)
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char *
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NET_BaseAdrToString ( netadr_t a )
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{
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static char s[64];
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Com_sprintf (s, sizeof(s), "%i.%i.%i.%i", a.ip[0], a.ip[1], a.ip[2], a.ip[3]);
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static char s [ 64 ];
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return s;
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Com_sprintf( s, sizeof ( s ), "%i.%i.%i.%i", a.ip [ 0 ], a.ip [ 1 ], a.ip [ 2 ], a.ip [ 3 ] );
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return ( s );
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}
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/*
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=============
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NET_StringToAdr
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localhost
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idnewt
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idnewt:28000
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192.246.40.70
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192.246.40.70:28000
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=============
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*/
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qboolean NET_StringToSockaddr (char *s, struct sockaddr *sadr)
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qboolean
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NET_StringToSockaddr ( char *s, struct sockaddr *sadr )
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{
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struct hostent *h;
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char *colon;
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char copy[128];
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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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struct hostent *h;
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char *colon;
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char copy [ 128 ];
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strcpy (copy, s);
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// strip off a trailing :port if present
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for (colon = copy ; *colon ; colon++)
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if (*colon == ':')
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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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strcpy( copy, s );
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/* strip off a trailing :port if present */
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for ( colon = copy; *colon; colon++ )
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{
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if ( *colon == ':' )
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{
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*colon = 0;
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((struct sockaddr_in *)sadr)->sin_port = htons((short)atoi(colon+1));
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( (struct sockaddr_in *) sadr )->sin_port = htons( (short) atoi( colon + 1 ) );
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}
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if (copy[0] >= '0' && copy[0] <= '9')
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}
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if ( ( copy [ 0 ] >= '0' ) && ( copy [ 0 ] <= '9' ) )
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{
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*(int *)&((struct sockaddr_in *)sadr)->sin_addr = inet_addr(copy);
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*(int *) &( (struct sockaddr_in *) sadr )->sin_addr = inet_addr( copy );
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}
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else
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{
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if (! (h = gethostbyname(copy)) )
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return 0;
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*(int *)&((struct sockaddr_in *)sadr)->sin_addr = *(int *)h->h_addr_list[0];
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if ( !( h = gethostbyname( copy ) ) )
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{
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return ( 0 );
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}
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*(int *) &( (struct sockaddr_in *) sadr )->sin_addr = *(int *) h->h_addr_list [ 0 ];
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}
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return true;
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return ( true );
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}
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/*
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=============
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NET_StringToAdr
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localhost
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idnewt
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idnewt:28000
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192.246.40.70
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192.246.40.70:28000
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=============
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*/
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qboolean NET_StringToAdr (char *s, netadr_t *a)
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qboolean
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NET_StringToAdr ( char *s, netadr_t *a )
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{
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struct sockaddr_in sadr;
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if (!strcmp (s, "localhost"))
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if ( !strcmp( s, "localhost" ) )
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{
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memset (a, 0, sizeof(*a));
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memset( a, 0, sizeof ( *a ) );
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a->type = NA_LOOPBACK;
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return true;
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return ( true );
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}
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if (!NET_StringToSockaddr (s, (struct sockaddr *)&sadr))
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return false;
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SockadrToNetadr (&sadr, a);
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if ( !NET_StringToSockaddr( s, (struct sockaddr *) &sadr ) )
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{
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return ( false );
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}
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return true;
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SockadrToNetadr( &sadr, a );
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return ( true );
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}
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qboolean NET_IsLocalAddress (netadr_t adr)
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qboolean
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NET_IsLocalAddress ( netadr_t adr )
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{
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return NET_CompareAdr (adr, net_local_adr);
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return ( NET_CompareAdr( adr, net_local_adr ) );
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}
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/*
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=============================================================================
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LOOPBACK BUFFERS FOR LOCAL PLAYER
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=============================================================================
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*/
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qboolean NET_GetLoopPacket (netsrc_t sock, netadr_t *net_from, sizebuf_t *net_message)
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qboolean
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NET_GetLoopPacket ( netsrc_t sock, netadr_t *net_from, sizebuf_t *net_message )
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{
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int i;
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loopback_t *loop;
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int i;
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loopback_t *loop;
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loop = &loopbacks[sock];
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loop = &loopbacks [ sock ];
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if (loop->send - loop->get > MAX_LOOPBACK)
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if ( loop->send - loop->get > MAX_LOOPBACK )
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{
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loop->get = loop->send - MAX_LOOPBACK;
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}
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if (loop->get >= loop->send)
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return false;
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if ( loop->get >= loop->send )
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{
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return ( false );
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}
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i = loop->get & (MAX_LOOPBACK-1);
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i = loop->get & ( MAX_LOOPBACK - 1 );
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loop->get++;
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memcpy (net_message->data, loop->msgs[i].data, loop->msgs[i].datalen);
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net_message->cursize = loop->msgs[i].datalen;
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memcpy( net_message->data, loop->msgs [ i ].data, loop->msgs [ i ].datalen );
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net_message->cursize = loop->msgs [ i ].datalen;
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*net_from = net_local_adr;
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return true;
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return ( true );
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}
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void NET_SendLoopPacket (netsrc_t sock, int length, void *data, netadr_t to)
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void
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NET_SendLoopPacket ( netsrc_t sock, int length, void *data, netadr_t to )
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{
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int i;
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loopback_t *loop;
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int i;
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loopback_t *loop;
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loop = &loopbacks[sock^1];
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loop = &loopbacks [ sock ^ 1 ];
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i = loop->send & (MAX_LOOPBACK-1);
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i = loop->send & ( MAX_LOOPBACK - 1 );
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loop->send++;
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memcpy (loop->msgs[i].data, data, length);
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loop->msgs[i].datalen = length;
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memcpy( loop->msgs [ i ].data, data, length );
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loop->msgs [ i ].datalen = length;
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}
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//=============================================================================
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qboolean NET_GetPacket (netsrc_t sock, netadr_t *net_from, sizebuf_t *net_message)
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qboolean
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NET_GetPacket ( netsrc_t sock, netadr_t *net_from, sizebuf_t *net_message )
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{
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int ret;
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struct sockaddr_in from;
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socklen_t fromlen;
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int net_socket;
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int protocol;
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int err;
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int ret;
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struct sockaddr_in from;
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socklen_t fromlen;
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int net_socket;
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int protocol;
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int err;
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if (NET_GetLoopPacket (sock, net_from, net_message))
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return true;
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for (protocol = 0 ; protocol < 2 ; protocol++)
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if ( NET_GetLoopPacket( sock, net_from, net_message ) )
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{
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if (protocol == 0)
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net_socket = ip_sockets[sock];
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else
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net_socket = ipx_sockets[sock];
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return ( true );
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}
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if (!net_socket)
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continue;
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fromlen = sizeof(from);
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ret = recvfrom (net_socket, net_message->data, net_message->maxsize
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, 0, (struct sockaddr *)&from, &fromlen);
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SockadrToNetadr (&from, net_from);
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if (ret == -1)
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for ( protocol = 0; protocol < 2; protocol++ )
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{
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if ( protocol == 0 )
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{
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err = errno;
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net_socket = ip_sockets [ sock ];
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}
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else
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{
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net_socket = ipx_sockets [ sock ];
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}
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if (err == EWOULDBLOCK || err == ECONNREFUSED)
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continue;
|
||||
Com_Printf ("NET_GetPacket: %s from %s\n", NET_ErrorString(),
|
||||
NET_AdrToString(*net_from));
|
||||
if ( !net_socket )
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
if (ret == net_message->maxsize)
|
||||
fromlen = sizeof ( from );
|
||||
ret = recvfrom( net_socket, net_message->data, net_message->maxsize,
|
||||
0, (struct sockaddr *) &from, &fromlen );
|
||||
|
||||
SockadrToNetadr( &from, net_from );
|
||||
|
||||
if ( ret == -1 )
|
||||
{
|
||||
Com_Printf ("Oversize packet from %s\n", NET_AdrToString (*net_from));
|
||||
err = errno;
|
||||
|
||||
if ( ( err == EWOULDBLOCK ) || ( err == ECONNREFUSED ) )
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
Com_Printf( "NET_GetPacket: %s from %s\n", NET_ErrorString(),
|
||||
NET_AdrToString( *net_from ) );
|
||||
continue;
|
||||
}
|
||||
|
||||
if ( ret == net_message->maxsize )
|
||||
{
|
||||
Com_Printf( "Oversize packet from %s\n", NET_AdrToString( *net_from ) );
|
||||
continue;
|
||||
}
|
||||
|
||||
net_message->cursize = ret;
|
||||
return true;
|
||||
return ( true );
|
||||
}
|
||||
|
||||
return false;
|
||||
return ( false );
|
||||
}
|
||||
|
||||
//=============================================================================
|
||||
|
||||
void NET_SendPacket (netsrc_t sock, int length, void *data, netadr_t to)
|
||||
void
|
||||
NET_SendPacket ( netsrc_t sock, int length, void *data, netadr_t to )
|
||||
{
|
||||
int ret;
|
||||
struct sockaddr_in addr;
|
||||
int net_socket;
|
||||
int ret;
|
||||
struct sockaddr_in addr;
|
||||
int net_socket;
|
||||
|
||||
if ( to.type == NA_LOOPBACK )
|
||||
{
|
||||
NET_SendLoopPacket (sock, length, data, to);
|
||||
NET_SendLoopPacket( sock, length, data, to );
|
||||
return;
|
||||
}
|
||||
|
||||
if (to.type == NA_BROADCAST)
|
||||
if ( to.type == NA_BROADCAST )
|
||||
{
|
||||
net_socket = ip_sockets[sock];
|
||||
if (!net_socket)
|
||||
return;
|
||||
}
|
||||
else if (to.type == NA_IP)
|
||||
{
|
||||
net_socket = ip_sockets[sock];
|
||||
if (!net_socket)
|
||||
return;
|
||||
}
|
||||
else if (to.type == NA_IPX)
|
||||
{
|
||||
net_socket = ipx_sockets[sock];
|
||||
if (!net_socket)
|
||||
return;
|
||||
}
|
||||
else if (to.type == NA_BROADCAST_IPX)
|
||||
{
|
||||
net_socket = ipx_sockets[sock];
|
||||
if (!net_socket)
|
||||
return;
|
||||
}
|
||||
else
|
||||
{
|
||||
Com_Error (ERR_FATAL, "NET_SendPacket: bad address type");
|
||||
return;
|
||||
}
|
||||
net_socket = ip_sockets [ sock ];
|
||||
|
||||
NetadrToSockadr (&to, &addr);
|
||||
|
||||
ret = sendto (net_socket, data, length, 0, (struct sockaddr *)&addr, sizeof(addr) );
|
||||
if (ret == -1)
|
||||
{
|
||||
Com_Printf ("NET_SendPacket ERROR: %s to %s\n", NET_ErrorString(),
|
||||
NET_AdrToString (to));
|
||||
}
|
||||
}
|
||||
|
||||
//=============================================================================
|
||||
|
||||
/*
|
||||
====================
|
||||
NET_OpenIP
|
||||
====================
|
||||
*/
|
||||
void NET_OpenIP (void)
|
||||
{
|
||||
cvar_t *port, *ip;
|
||||
|
||||
port = Cvar_Get ("port", va("%i", PORT_SERVER), CVAR_NOSET);
|
||||
ip = Cvar_Get ("ip", "localhost", CVAR_NOSET);
|
||||
|
||||
if (!ip_sockets[NS_SERVER])
|
||||
ip_sockets[NS_SERVER] = NET_Socket (ip->string, port->value);
|
||||
if (!ip_sockets[NS_CLIENT])
|
||||
ip_sockets[NS_CLIENT] = NET_Socket (ip->string, PORT_ANY);
|
||||
}
|
||||
|
||||
/*
|
||||
====================
|
||||
NET_OpenIPX
|
||||
====================
|
||||
*/
|
||||
void NET_OpenIPX (void)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
====================
|
||||
NET_Config
|
||||
|
||||
A single player game will only use the loopback code
|
||||
====================
|
||||
*/
|
||||
void NET_Config (qboolean multiplayer)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (!multiplayer)
|
||||
{ // shut down any existing sockets
|
||||
for (i=0 ; i<2 ; i++)
|
||||
if ( !net_socket )
|
||||
{
|
||||
if (ip_sockets[i])
|
||||
return;
|
||||
}
|
||||
}
|
||||
else if ( to.type == NA_IP )
|
||||
{
|
||||
net_socket = ip_sockets [ sock ];
|
||||
|
||||
if ( !net_socket )
|
||||
{
|
||||
return;
|
||||
}
|
||||
}
|
||||
else if ( to.type == NA_IPX )
|
||||
{
|
||||
net_socket = ipx_sockets [ sock ];
|
||||
|
||||
if ( !net_socket )
|
||||
{
|
||||
return;
|
||||
}
|
||||
}
|
||||
else if ( to.type == NA_BROADCAST_IPX )
|
||||
{
|
||||
net_socket = ipx_sockets [ sock ];
|
||||
|
||||
if ( !net_socket )
|
||||
{
|
||||
return;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
Com_Error( ERR_FATAL, "NET_SendPacket: bad address type" );
|
||||
return;
|
||||
}
|
||||
|
||||
NetadrToSockadr( &to, &addr );
|
||||
|
||||
ret = sendto( net_socket, data, length, 0, (struct sockaddr *) &addr, sizeof ( addr ) );
|
||||
|
||||
if ( ret == -1 )
|
||||
{
|
||||
Com_Printf( "NET_SendPacket ERROR: %s to %s\n", NET_ErrorString(),
|
||||
NET_AdrToString( to ) );
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
NET_OpenIP ( void )
|
||||
{
|
||||
cvar_t *port, *ip;
|
||||
|
||||
port = Cvar_Get( "port", va( "%i", PORT_SERVER ), CVAR_NOSET );
|
||||
ip = Cvar_Get( "ip", "localhost", CVAR_NOSET );
|
||||
|
||||
if ( !ip_sockets [ NS_SERVER ] )
|
||||
{
|
||||
ip_sockets [ NS_SERVER ] = NET_Socket( ip->string, port->value );
|
||||
}
|
||||
|
||||
if ( !ip_sockets [ NS_CLIENT ] )
|
||||
{
|
||||
ip_sockets [ NS_CLIENT ] = NET_Socket( ip->string, PORT_ANY );
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* A single player game will only use the loopback code
|
||||
*/
|
||||
void
|
||||
NET_Config ( qboolean multiplayer )
|
||||
{
|
||||
int i;
|
||||
|
||||
if ( !multiplayer )
|
||||
{ /* shut down any existing sockets */
|
||||
for ( i = 0; i < 2; i++ )
|
||||
{
|
||||
if ( ip_sockets [ i ] )
|
||||
{
|
||||
close (ip_sockets[i]);
|
||||
ip_sockets[i] = 0;
|
||||
close( ip_sockets [ i ] );
|
||||
ip_sockets [ i ] = 0;
|
||||
}
|
||||
if (ipx_sockets[i])
|
||||
|
||||
if ( ipx_sockets [ i ] )
|
||||
{
|
||||
close (ipx_sockets[i]);
|
||||
ipx_sockets[i] = 0;
|
||||
close( ipx_sockets [ i ] );
|
||||
ipx_sockets [ i ] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{ // open sockets
|
||||
NET_OpenIP ();
|
||||
NET_OpenIPX ();
|
||||
{
|
||||
/* open sockets */
|
||||
NET_OpenIP();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//===================================================================
|
||||
|
||||
/* =================================================================== */
|
||||
|
||||
/*
|
||||
====================
|
||||
NET_Init
|
||||
====================
|
||||
*/
|
||||
void NET_Init (void)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
====================
|
||||
NET_Socket
|
||||
====================
|
||||
*/
|
||||
int NET_Socket (char *net_interface, int port)
|
||||
* ====================
|
||||
* NET_Socket
|
||||
* ====================
|
||||
*/
|
||||
int
|
||||
NET_Socket ( char *net_interface, int port )
|
||||
{
|
||||
int newsocket;
|
||||
struct sockaddr_in address;
|
||||
qboolean _true = true;
|
||||
int i = 1;
|
||||
int i = 1;
|
||||
|
||||
if ((newsocket = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
|
||||
if ( ( newsocket = socket( PF_INET, SOCK_DGRAM, IPPROTO_UDP ) ) == -1 )
|
||||
{
|
||||
Com_Printf ("ERROR: UDP_OpenSocket: socket: %s", NET_ErrorString());
|
||||
return 0;
|
||||
Com_Printf( "ERROR: UDP_OpenSocket: socket: %s", NET_ErrorString() );
|
||||
return ( 0 );
|
||||
}
|
||||
|
||||
// make it non-blocking
|
||||
if (ioctl (newsocket, FIONBIO, &_true) == -1)
|
||||
/* make it non-blocking */
|
||||
if ( ioctl( newsocket, FIONBIO, &_true ) == -1 )
|
||||
{
|
||||
Com_Printf ("ERROR: UDP_OpenSocket: ioctl FIONBIO:%s\n", NET_ErrorString());
|
||||
return 0;
|
||||
Com_Printf( "ERROR: UDP_OpenSocket: ioctl FIONBIO:%s\n", NET_ErrorString() );
|
||||
return ( 0 );
|
||||
}
|
||||
|
||||
// make it broadcast capable
|
||||
if (setsockopt(newsocket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) == -1)
|
||||
/* make it broadcast capable */
|
||||
if ( setsockopt( newsocket, SOL_SOCKET, SO_BROADCAST, (char *) &i, sizeof ( i ) ) == -1 )
|
||||
{
|
||||
Com_Printf ("ERROR: UDP_OpenSocket: setsockopt SO_BROADCAST:%s\n", NET_ErrorString());
|
||||
return 0;
|
||||
Com_Printf( "ERROR: UDP_OpenSocket: setsockopt SO_BROADCAST:%s\n", NET_ErrorString() );
|
||||
return ( 0 );
|
||||
}
|
||||
|
||||
if (!net_interface || !net_interface[0] || !strcasecmp(net_interface, "localhost"))
|
||||
if ( !net_interface || !net_interface [ 0 ] || !strcasecmp( net_interface, "localhost" ) )
|
||||
{
|
||||
address.sin_addr.s_addr = INADDR_ANY;
|
||||
}
|
||||
else
|
||||
NET_StringToSockaddr (net_interface, (struct sockaddr *)&address);
|
||||
{
|
||||
NET_StringToSockaddr( net_interface, (struct sockaddr *) &address );
|
||||
}
|
||||
|
||||
if (port == PORT_ANY)
|
||||
if ( port == PORT_ANY )
|
||||
{
|
||||
address.sin_port = 0;
|
||||
}
|
||||
else
|
||||
address.sin_port = htons((short)port);
|
||||
{
|
||||
address.sin_port = htons( (short) port );
|
||||
}
|
||||
|
||||
address.sin_family = AF_INET;
|
||||
|
||||
if( bind (newsocket, (void *)&address, sizeof(address)) == -1)
|
||||
if ( bind( newsocket, (void *) &address, sizeof ( address ) ) == -1 )
|
||||
{
|
||||
Com_Printf ("ERROR: UDP_OpenSocket: bind: %s\n", NET_ErrorString());
|
||||
close (newsocket);
|
||||
return 0;
|
||||
Com_Printf( "ERROR: UDP_OpenSocket: bind: %s\n", NET_ErrorString() );
|
||||
close( newsocket );
|
||||
return ( 0 );
|
||||
}
|
||||
|
||||
return newsocket;
|
||||
return ( newsocket );
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
====================
|
||||
NET_Shutdown
|
||||
====================
|
||||
*/
|
||||
void NET_Shutdown (void)
|
||||
void
|
||||
NET_Shutdown ( void )
|
||||
{
|
||||
NET_Config (false); // close sockets
|
||||
NET_Config( false ); /* close sockets */
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
====================
|
||||
NET_ErrorString
|
||||
====================
|
||||
*/
|
||||
char *NET_ErrorString (void)
|
||||
char *
|
||||
NET_ErrorString ( void )
|
||||
{
|
||||
int code;
|
||||
int code;
|
||||
|
||||
code = errno;
|
||||
return strerror (code);
|
||||
return ( strerror( code ) );
|
||||
}
|
||||
|
||||
// sleeps msec or until net socket is ready
|
||||
void NET_Sleep(int msec)
|
||||
/*
|
||||
* sleeps msec or until net socket is ready
|
||||
*/
|
||||
void
|
||||
NET_Sleep ( int msec )
|
||||
{
|
||||
struct timeval timeout;
|
||||
fd_set fdset;
|
||||
struct timeval timeout;
|
||||
fd_set fdset;
|
||||
extern cvar_t *dedicated;
|
||||
extern qboolean stdin_active;
|
||||
|
||||
if (!ip_sockets[NS_SERVER] || (dedicated && !dedicated->value))
|
||||
return; // we're not a server, just run full speed
|
||||
if ( !ip_sockets [ NS_SERVER ] || ( dedicated && !dedicated->value ) )
|
||||
{
|
||||
return; /* we're not a server, just run full speed */
|
||||
}
|
||||
|
||||
FD_ZERO(&fdset);
|
||||
if (stdin_active)
|
||||
FD_SET(0, &fdset); // stdin is processed too
|
||||
FD_SET(ip_sockets[NS_SERVER], &fdset); // network socket
|
||||
timeout.tv_sec = msec/1000;
|
||||
timeout.tv_usec = (msec%1000)*1000;
|
||||
select(ip_sockets[NS_SERVER]+1, &fdset, NULL, NULL, &timeout);
|
||||
FD_ZERO( &fdset );
|
||||
|
||||
if ( stdin_active )
|
||||
{
|
||||
FD_SET( 0, &fdset ); /* stdin is processed too */
|
||||
}
|
||||
|
||||
FD_SET( ip_sockets [ NS_SERVER ], &fdset ); /* network socket */
|
||||
timeout.tv_sec = msec / 1000;
|
||||
timeout.tv_usec = ( msec % 1000 ) * 1000;
|
||||
select( ip_sockets [ NS_SERVER ] + 1, &fdset, NULL, NULL, &timeout );
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue