/libs/l_net/l_net_wins.c
C | 761 lines | 444 code | 73 blank | 244 comment | 109 complexity | bcd579ff3dd4df6311c9b9663f9202c8 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1, LGPL-2.0
- /*
- Copyright (C) 1999-2006 Id Software, Inc. and contributors.
- For a list of contributors, see the accompanying CONTRIBUTORS file.
- This file is part of GtkRadiant.
- GtkRadiant 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.
- GtkRadiant 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 GtkRadiant; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
- //===========================================================================
- //
- // Name: l_net_wins.c
- // Function: WinSock
- // Programmer: MrElusive
- // Last update: -
- // Tab Size: 3
- // Notes:
- //===========================================================================
- #include <windows.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include "l_net.h"
- #include "l_net_wins.h"
- //#include <winsock.h>
- //#include "mpdosock.h"
- #define WinError WinPrint
- typedef struct tag_error_struct
- {
- int errnum;
- LPSTR errstr;
- } ERROR_STRUCT;
- #define NET_NAMELEN 64
- char my_tcpip_address[NET_NAMELEN];
- const int DEFAULTnet_hostport = 26000;
- const int MAXHOSTNAMELEN = 256;
- static int net_acceptsocket = -1; // socket for fielding new connections
- static int net_controlsocket;
- static int net_hostport; // udp port number for acceptsocket
- static int net_broadcastsocket = 0;
- //static qboolean ifbcastinit = qfalse;
- static struct sockaddr_s broadcastaddr;
- static unsigned long myAddr;
- WSADATA winsockdata;
- ERROR_STRUCT errlist[] = {
- {WSAEINTR, "WSAEINTR - Interrupted"},
- {WSAEBADF, "WSAEBADF - Bad file number"},
- {WSAEFAULT, "WSAEFAULT - Bad address"},
- {WSAEINVAL, "WSAEINVAL - Invalid argument"},
- {WSAEMFILE, "WSAEMFILE - Too many open files"},
- /*
- * Windows Sockets definitions of regular Berkeley error constants
- */
- {WSAEWOULDBLOCK, "WSAEWOULDBLOCK - Socket marked as non-blocking"},
- {WSAEINPROGRESS, "WSAEINPROGRESS - Blocking call in progress"},
- {WSAEALREADY, "WSAEALREADY - Command already completed"},
- {WSAENOTSOCK, "WSAENOTSOCK - Descriptor is not a socket"},
- {WSAEDESTADDRREQ, "WSAEDESTADDRREQ - Destination address required"},
- {WSAEMSGSIZE, "WSAEMSGSIZE - Data size too large"},
- {WSAEPROTOTYPE, "WSAEPROTOTYPE - Protocol is of wrong type for this socket"},
- {WSAENOPROTOOPT, "WSAENOPROTOOPT - Protocol option not supported for this socket type"},
- {WSAEPROTONOSUPPORT, "WSAEPROTONOSUPPORT - Protocol is not supported"},
- {WSAESOCKTNOSUPPORT, "WSAESOCKTNOSUPPORT - Socket type not supported by this address family"},
- {WSAEOPNOTSUPP, "WSAEOPNOTSUPP - Option not supported"},
- {WSAEPFNOSUPPORT, "WSAEPFNOSUPPORT - "},
- {WSAEAFNOSUPPORT, "WSAEAFNOSUPPORT - Address family not supported by this protocol"},
- {WSAEADDRINUSE, "WSAEADDRINUSE - Address is in use"},
- {WSAEADDRNOTAVAIL, "WSAEADDRNOTAVAIL - Address not available from local machine"},
- {WSAENETDOWN, "WSAENETDOWN - Network subsystem is down"},
- {WSAENETUNREACH, "WSAENETUNREACH - Network cannot be reached"},
- {WSAENETRESET, "WSAENETRESET - Connection has been dropped"},
- {WSAECONNABORTED, "WSAECONNABORTED - Connection aborted"},
- {WSAECONNRESET, "WSAECONNRESET - Connection reset"},
- {WSAENOBUFS, "WSAENOBUFS - No buffer space available"},
- {WSAEISCONN, "WSAEISCONN - Socket is already connected"},
- {WSAENOTCONN, "WSAENOTCONN - Socket is not connected"},
- {WSAESHUTDOWN, "WSAESHUTDOWN - Socket has been shut down"},
- {WSAETOOMANYREFS, "WSAETOOMANYREFS - Too many references"},
- {WSAETIMEDOUT, "WSAETIMEDOUT - Command timed out"},
- {WSAECONNREFUSED, "WSAECONNREFUSED - Connection refused"},
- {WSAELOOP, "WSAELOOP - "},
- {WSAENAMETOOLONG, "WSAENAMETOOLONG - "},
- {WSAEHOSTDOWN, "WSAEHOSTDOWN - Host is down"},
- {WSAEHOSTUNREACH, "WSAEHOSTUNREACH - "},
- {WSAENOTEMPTY, "WSAENOTEMPTY - "},
- {WSAEPROCLIM, "WSAEPROCLIM - "},
- {WSAEUSERS, "WSAEUSERS - "},
- {WSAEDQUOT, "WSAEDQUOT - "},
- {WSAESTALE, "WSAESTALE - "},
- {WSAEREMOTE, "WSAEREMOTE - "},
- /*
- * Extended Windows Sockets error constant definitions
- */
- {WSASYSNOTREADY, "WSASYSNOTREADY - Network subsystem not ready"},
- {WSAVERNOTSUPPORTED, "WSAVERNOTSUPPORTED - Version not supported"},
- {WSANOTINITIALISED, "WSANOTINITIALISED - WSAStartup() has not been successfully called"},
- /*
- * Other error constants.
- */
- {WSAHOST_NOT_FOUND, "WSAHOST_NOT_FOUND - Host not found"},
- {WSATRY_AGAIN, "WSATRY_AGAIN - Host not found or SERVERFAIL"},
- {WSANO_RECOVERY, "WSANO_RECOVERY - Non-recoverable error"},
- {WSANO_DATA, "WSANO_DATA - (or WSANO_ADDRESS) - No data record of requested type"},
- {-1, NULL}
- };
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- const char *WINS_ErrorMessage( int error ){
- int search = 0;
- if ( !error ) {
- return "No error occurred";
- }
- for ( search = 0; errlist[search].errstr; search++ )
- {
- if ( error == errlist[search].errnum ) {
- return errlist[search].errstr;
- }
- } //end for
- return "Unknown error";
- } //end of the function WINS_ErrorMessage
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_Init( void ){
- int i;
- struct hostent *local;
- char buff[MAXHOSTNAMELEN];
- struct sockaddr_s addr;
- char *p;
- int r;
- WORD wVersionRequested;
- wVersionRequested = MAKEWORD( 1, 1 );
- r = WSAStartup( wVersionRequested, &winsockdata );
- if ( r ) {
- WinPrint( "Winsock initialization failed.\n" );
- return -1;
- }
- /*
- i = COM_CheckParm ("-udpport");
- if (i == 0)*/
- net_hostport = DEFAULTnet_hostport;
- /*
- else if (i < com_argc-1)
- net_hostport = Q_atoi (com_argv[i+1]);
- else
- Sys_Error ("WINS_Init: you must specify a number after -udpport");
- */
- // determine my name & address
- gethostname( buff, MAXHOSTNAMELEN );
- local = gethostbyname( buff );
- if(local && local->h_addr_list && local->h_addr_list[0])
- myAddr = *(int *)local->h_addr_list[0];
- else
- myAddr = inet_addr("127.0.0.1");
- // 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 = WINS_OpenSocket( 0 ) ) == -1 ) {
- WinError( "WINS_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( (u_short)net_hostport );
- WINS_GetSocketAddr( net_controlsocket, &addr );
- strcpy( my_tcpip_address, WINS_AddrToString( &addr ) );
- p = strrchr( my_tcpip_address, ':' );
- if ( p ) {
- *p = 0;
- }
- WinPrint( "Winsock Initialized\n" );
- return net_controlsocket;
- } //end of the function WINS_Init
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- char *WINS_MyAddress( void ){
- return my_tcpip_address;
- } //end of the function WINS_MyAddress
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- void WINS_Shutdown( void ){
- //WINS_Listen(0);
- WINS_CloseSocket( net_controlsocket );
- WSACleanup();
- //
- //WinPrint("Winsock Shutdown\n");
- } //end of the function WINS_Shutdown
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- /*
- void WINS_Listen(int state)
- {
- // enable listening
- if (state)
- {
- if (net_acceptsocket != -1)
- return;
- if ((net_acceptsocket = WINS_OpenSocket (net_hostport)) == -1)
- WinError ("WINS_Listen: Unable to open accept socket\n");
- return;
- }
- // disable listening
- if (net_acceptsocket == -1)
- return;
- WINS_CloseSocket (net_acceptsocket);
- net_acceptsocket = -1;
- } //end of the function WINS_Listen*/
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_OpenSocket( int port ){
- int newsocket;
- struct sockaddr_in address;
- u_long _true = 1;
- if ( ( newsocket = socket( PF_INET, SOCK_DGRAM, IPPROTO_UDP ) ) == -1 ) {
- WinPrint( "WINS_OpenSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- return -1;
- } //end if
- if ( ioctlsocket( newsocket, FIONBIO, &_true ) == -1 ) {
- WinPrint( "WINS_OpenSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- closesocket( newsocket );
- return -1;
- } //end if
- memset( (char *) &address, 0, sizeof( address ) );
- address.sin_family = AF_INET;
- address.sin_addr.s_addr = INADDR_ANY;
- address.sin_port = htons( (u_short)port );
- if ( bind( newsocket, (void *)&address, sizeof( address ) ) == -1 ) {
- WinPrint( "WINS_OpenSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- closesocket( newsocket );
- return -1;
- } //end if
- return newsocket;
- } //end of the function WINS_OpenSocket
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_OpenReliableSocket( int port ){
- int newsocket;
- struct sockaddr_in address;
- BOOL _true = 0xFFFFFFFF;
- //IPPROTO_TCP
- //
- if ( ( newsocket = socket( AF_INET, SOCK_STREAM, 0 ) ) == -1 ) {
- WinPrint( "WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- return -1;
- } //end if
- memset( (char *) &address, 0, sizeof( address ) );
- address.sin_family = AF_INET;
- address.sin_addr.s_addr = htonl( INADDR_ANY );
- address.sin_port = htons( (u_short)port );
- if ( bind( newsocket, (void *)&address, sizeof( address ) ) == -1 ) {
- WinPrint( "WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- closesocket( newsocket );
- return -1;
- } //end if
- //
- if ( setsockopt( newsocket, IPPROTO_TCP, TCP_NODELAY, (void *) &_true, sizeof( int ) ) == SOCKET_ERROR ) {
- WinPrint( "WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- WinPrint( "setsockopt error\n" );
- } //end if
- return newsocket;
- } //end of the function WINS_OpenReliableSocket
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_Listen( int socket ){
- u_long _true = 1;
- if ( ioctlsocket( socket, FIONBIO, &_true ) == -1 ) {
- WinPrint( "WINS_Listen: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- return -1;
- } //end if
- if ( listen( socket, SOMAXCONN ) == SOCKET_ERROR ) {
- WinPrint( "WINS_Listen: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- return -1;
- } //end if
- return 0;
- } //end of the function WINS_Listen
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_Accept( int socket, struct sockaddr_s *addr ){
- int addrlen = sizeof( struct sockaddr_s );
- int newsocket;
- BOOL _true = 1;
- newsocket = accept( socket, (struct sockaddr *)addr, &addrlen );
- if ( newsocket == INVALID_SOCKET ) {
- if ( WSAGetLastError() == WSAEWOULDBLOCK ) {
- return -1;
- }
- WinPrint( "WINS_Accept: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- return -1;
- } //end if
- //
- if ( setsockopt( newsocket, IPPROTO_TCP, TCP_NODELAY, (void *) &_true, sizeof( int ) ) == SOCKET_ERROR ) {
- WinPrint( "WINS_Accept: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- WinPrint( "setsockopt error\n" );
- } //end if
- return newsocket;
- } //end of the function WINS_Accept
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_CloseSocket( int socket ){
- /*
- if (socket == net_broadcastsocket)
- net_broadcastsocket = 0;
- */
- // shutdown(socket, SD_SEND);
- if ( closesocket( socket ) == SOCKET_ERROR ) {
- WinPrint( "WINS_CloseSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- return SOCKET_ERROR;
- } //end if
- return 0;
- } //end of the function WINS_CloseSocket
- //===========================================================================
- // this lets you type only as much of the net address as required, using
- // the local network components to fill in the rest
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- static int PartialIPAddress( char *in, struct sockaddr_s *hostaddr ){
- char buff[256];
- char *b;
- int addr;
- int num;
- int mask;
- buff[0] = '.';
- b = buff;
- strcpy( buff + 1, in );
- if ( buff[1] == '.' ) {
- b++;
- }
- addr = 0;
- mask = -1;
- while ( *b == '.' )
- {
- num = 0;
- if ( *++b < '0' || *b > '9' ) {
- return -1;
- }
- while ( !( *b < '0' || *b > '9' ) )
- num = num * 10 + *( b++ ) - '0';
- mask <<= 8;
- addr = ( addr << 8 ) + num;
- }
- hostaddr->sa_family = AF_INET;
- ( (struct sockaddr_in *)hostaddr )->sin_port = htons( (u_short)net_hostport );
- ( (struct sockaddr_in *)hostaddr )->sin_addr.s_addr = ( myAddr & htonl( mask ) ) | htonl( addr );
- return 0;
- } //end of the function PartialIPAddress
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_Connect( int socket, struct sockaddr_s *addr ){
- int ret;
- u_long _true2 = 0xFFFFFFFF;
- ret = connect( socket, (struct sockaddr *)addr, sizeof( struct sockaddr_s ) );
- if ( ret == SOCKET_ERROR ) {
- WinPrint( "WINS_Connect: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- return -1;
- } //end if
- if ( ioctlsocket( socket, FIONBIO, &_true2 ) == -1 ) {
- WinPrint( "WINS_Connect: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- return -1;
- } //end if
- return 0;
- } //end of the function WINS_Connect
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_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;
- } //end of the function WINS_CheckNewConnections
- //===========================================================================
- // returns the number of bytes read
- // 0 if no bytes available
- // -1 on failure
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_Read( int socket, byte *buf, int len, struct sockaddr_s *addr ){
- int addrlen = sizeof( struct sockaddr_s );
- int ret, errno;
- if ( addr ) {
- ret = recvfrom( socket, buf, len, 0, (struct sockaddr *)addr, &addrlen );
- if ( ret == -1 ) {
- errno = WSAGetLastError();
- if ( errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED ) {
- return 0;
- }
- } //end if
- } //end if
- else
- {
- ret = recv( socket, buf, len, 0 );
- if ( ret == SOCKET_ERROR ) {
- errno = WSAGetLastError();
- if ( errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED ) {
- return 0;
- }
- } //end if
- } //end else
- if ( ret == SOCKET_ERROR ) {
- WinPrint( "WINS_Read: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- } //end if
- return ret;
- } //end of the function WINS_Read
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_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;
- } //end of the function WINS_MakeSocketBroadcastCapable
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_Broadcast( int socket, byte *buf, int len ){
- int ret;
- if ( socket != net_broadcastsocket ) {
- if ( net_broadcastsocket != 0 ) {
- WinError( "Attempted to use multiple broadcasts sockets\n" );
- }
- ret = WINS_MakeSocketBroadcastCapable( socket );
- if ( ret == -1 ) {
- WinPrint( "Unable to make socket broadcast capable\n" );
- return ret;
- }
- }
- return WINS_Write( socket, buf, len, &broadcastaddr );
- } //end of the function WINS_Broadcast
- //===========================================================================
- // returns qtrue on success or qfalse on failure
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_Write( int socket, byte *buf, int len, struct sockaddr_s *addr ){
- int ret, written;
- if ( addr ) {
- written = 0;
- while ( written < len )
- {
- ret = sendto( socket, &buf[written], len - written, 0, (struct sockaddr *)addr, sizeof( struct sockaddr_s ) );
- if ( ret == SOCKET_ERROR ) {
- if ( WSAGetLastError() != WSAEWOULDBLOCK ) {
- return qfalse;
- }
- Sleep( 1000 );
- } //end if
- else
- {
- written += ret;
- }
- }
- } //end if
- else
- {
- written = 0;
- while ( written < len )
- {
- ret = send( socket, buf, len, 0 );
- if ( ret == SOCKET_ERROR ) {
- if ( WSAGetLastError() != WSAEWOULDBLOCK ) {
- return qfalse;
- }
- Sleep( 1000 );
- } //end if
- else
- {
- written += ret;
- }
- }
- } //end else
- if ( ret == SOCKET_ERROR ) {
- WinPrint( "WINS_Write: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
- } //end if
- return ( ret == len );
- } //end of the function WINS_Write
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- char *WINS_AddrToString( struct sockaddr_s *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;
- } //end of the function WINS_AddrToString
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_StringToAddr( char *string, struct sockaddr_s *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( (u_short)hp );
- return 0;
- } //end of the function WINS_StringToAddr
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_GetSocketAddr( int socket, struct sockaddr_s *addr ){
- int addrlen = sizeof( struct sockaddr_s );
- unsigned int a;
- memset( addr, 0, sizeof( struct sockaddr_s ) );
- 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;
- } //end of the function WINS_GetSocketAddr
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_GetNameFromAddr( struct sockaddr_s *addr, char *name ){
- struct hostent *hostentry;
- hostentry = gethostbyaddr( (char *)&( (struct sockaddr_in *)addr )->sin_addr, sizeof( struct in_addr ), AF_INET );
- if ( hostentry ) {
- strncpy( name, (char *)hostentry->h_name, NET_NAMELEN - 1 );
- return 0;
- }
- strcpy( name, WINS_AddrToString( addr ) );
- return 0;
- } //end of the function WINS_GetNameFromAddr
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_GetAddrFromName( char *name, struct sockaddr_s *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( (u_short)net_hostport );
- ( (struct sockaddr_in *)addr )->sin_addr.s_addr = *(int *)hostentry->h_addr_list[0];
- return 0;
- } //end of the function WINS_GetAddrFromName
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_AddrCompare( struct sockaddr_s *addr1, struct sockaddr_s *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;
- } //end of the function WINS_AddrCompare
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_GetSocketPort( struct sockaddr_s *addr ){
- return ntohs( ( (struct sockaddr_in *)addr )->sin_port );
- } //end of the function WINS_GetSocketPort
- //===========================================================================
- //
- // Parameter: -
- // Returns: -
- // Changes Globals: -
- //===========================================================================
- int WINS_SetSocketPort( struct sockaddr_s *addr, int port ){
- ( (struct sockaddr_in *)addr )->sin_port = htons( (u_short)port );
- return 0;
- } //end of the function WINS_SetSocketPort