-/*\r
-Copyright (C) 1999-2007 id Software, Inc. and contributors.\r
-For a list of contributors, see the accompanying CONTRIBUTORS file.\r
-\r
-This file is part of GtkRadiant.\r
-\r
-GtkRadiant is free software; you can redistribute it and/or modify\r
-it under the terms of the GNU General Public License as published by\r
-the Free Software Foundation; either version 2 of the License, or\r
-(at your option) any later version.\r
-\r
-GtkRadiant is distributed in the hope that it will be useful,\r
-but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-GNU General Public License for more details.\r
-\r
-You should have received a copy of the GNU General Public License\r
-along with GtkRadiant; if not, write to the Free Software\r
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\r
-*/\r
-\r
-//===========================================================================\r
-//\r
-// Name: l_net_wins.c\r
-// Function: WinSock\r
-// Programmer: MrElusive\r
-// Last update: -\r
-// Tab Size: 3\r
-// Notes:\r
-//===========================================================================\r
-\r
-#include <windows.h>\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <string.h>\r
-#include "l_net.h"\r
-#include "l_net_wins.h"\r
-//#include <winsock.h>\r
-//#include "mpdosock.h"\r
-\r
-#define WinError WinPrint\r
-\r
-#define qtrue 1\r
-#define qfalse 0\r
-\r
-typedef struct tag_error_struct\r
-{\r
- int errnum;\r
- LPSTR errstr;\r
-} ERROR_STRUCT;\r
-\r
-#define NET_NAMELEN 64\r
-\r
-char my_tcpip_address[NET_NAMELEN];\r
-\r
-#define DEFAULTnet_hostport 26000\r
-\r
-#define MAXHOSTNAMELEN 256\r
-\r
-static int net_acceptsocket = -1; // socket for fielding new connections\r
-static int net_controlsocket;\r
-static int net_hostport; // udp port number for acceptsocket\r
-static int net_broadcastsocket = 0;\r
-//static qboolean ifbcastinit = qfalse;\r
-static struct sockaddr_s broadcastaddr;\r
-\r
-static unsigned long myAddr;\r
-\r
-WSADATA winsockdata;\r
-\r
-ERROR_STRUCT errlist[] = {\r
- {WSAEINTR, "WSAEINTR - Interrupted"},\r
- {WSAEBADF, "WSAEBADF - Bad file number"},\r
- {WSAEFAULT, "WSAEFAULT - Bad address"},\r
- {WSAEINVAL, "WSAEINVAL - Invalid argument"},\r
- {WSAEMFILE, "WSAEMFILE - Too many open files"},\r
-\r
-/*\r
-* Windows Sockets definitions of regular Berkeley error constants\r
-*/\r
-\r
- {WSAEWOULDBLOCK, "WSAEWOULDBLOCK - Socket marked as non-blocking"},\r
- {WSAEINPROGRESS, "WSAEINPROGRESS - Blocking call in progress"},\r
- {WSAEALREADY, "WSAEALREADY - Command already completed"},\r
- {WSAENOTSOCK, "WSAENOTSOCK - Descriptor is not a socket"},\r
- {WSAEDESTADDRREQ, "WSAEDESTADDRREQ - Destination address required"},\r
- {WSAEMSGSIZE, "WSAEMSGSIZE - Data size too large"},\r
- {WSAEPROTOTYPE, "WSAEPROTOTYPE - Protocol is of wrong type for this socket"},\r
- {WSAENOPROTOOPT, "WSAENOPROTOOPT - Protocol option not supported for this socket type"},\r
- {WSAEPROTONOSUPPORT, "WSAEPROTONOSUPPORT - Protocol is not supported"},\r
- {WSAESOCKTNOSUPPORT, "WSAESOCKTNOSUPPORT - Socket type not supported by this address family"},\r
- {WSAEOPNOTSUPP, "WSAEOPNOTSUPP - Option not supported"},\r
- {WSAEPFNOSUPPORT, "WSAEPFNOSUPPORT - "},\r
- {WSAEAFNOSUPPORT, "WSAEAFNOSUPPORT - Address family not supported by this protocol"},\r
- {WSAEADDRINUSE, "WSAEADDRINUSE - Address is in use"},\r
- {WSAEADDRNOTAVAIL, "WSAEADDRNOTAVAIL - Address not available from local machine"},\r
- {WSAENETDOWN, "WSAENETDOWN - Network subsystem is down"},\r
- {WSAENETUNREACH, "WSAENETUNREACH - Network cannot be reached"},\r
- {WSAENETRESET, "WSAENETRESET - Connection has been dropped"},\r
- {WSAECONNABORTED, "WSAECONNABORTED - Connection aborted"},\r
- {WSAECONNRESET, "WSAECONNRESET - Connection reset"},\r
- {WSAENOBUFS, "WSAENOBUFS - No buffer space available"},\r
- {WSAEISCONN, "WSAEISCONN - Socket is already connected"},\r
- {WSAENOTCONN, "WSAENOTCONN - Socket is not connected"},\r
- {WSAESHUTDOWN, "WSAESHUTDOWN - Socket has been shut down"},\r
- {WSAETOOMANYREFS, "WSAETOOMANYREFS - Too many references"},\r
- {WSAETIMEDOUT, "WSAETIMEDOUT - Command timed out"},\r
- {WSAECONNREFUSED, "WSAECONNREFUSED - Connection refused"},\r
- {WSAELOOP, "WSAELOOP - "},\r
- {WSAENAMETOOLONG, "WSAENAMETOOLONG - "},\r
- {WSAEHOSTDOWN, "WSAEHOSTDOWN - Host is down"},\r
- {WSAEHOSTUNREACH, "WSAEHOSTUNREACH - "},\r
- {WSAENOTEMPTY, "WSAENOTEMPTY - "},\r
- {WSAEPROCLIM, "WSAEPROCLIM - "},\r
- {WSAEUSERS, "WSAEUSERS - "},\r
- {WSAEDQUOT, "WSAEDQUOT - "},\r
- {WSAESTALE, "WSAESTALE - "},\r
- {WSAEREMOTE, "WSAEREMOTE - "},\r
-\r
-/*\r
-* Extended Windows Sockets error constant definitions\r
-*/\r
-\r
- {WSASYSNOTREADY, "WSASYSNOTREADY - Network subsystem not ready"},\r
- {WSAVERNOTSUPPORTED, "WSAVERNOTSUPPORTED - Version not supported"},\r
- {WSANOTINITIALISED, "WSANOTINITIALISED - WSAStartup() has not been successfully called"},\r
-\r
-/*\r
-* Other error constants.\r
-*/\r
-\r
- {WSAHOST_NOT_FOUND, "WSAHOST_NOT_FOUND - Host not found"},\r
- {WSATRY_AGAIN, "WSATRY_AGAIN - Host not found or SERVERFAIL"},\r
- {WSANO_RECOVERY, "WSANO_RECOVERY - Non-recoverable error"},\r
- {WSANO_DATA, "WSANO_DATA - (or WSANO_ADDRESS) - No data record of requested type"},\r
- {-1, NULL}\r
-};\r
-\r
-#ifdef _DEBUG\r
-void WinPrint(char *str, ...);\r
-#else\r
-void WinPrint(char *str, ...);\r
-#endif\r
-\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-char *WINS_ErrorMessage(int error)\r
-{\r
- int search = 0;\r
-\r
- if (!error) return "No error occurred";\r
-\r
- for (search = 0; errlist[search].errstr; search++)\r
- {\r
- if (error == errlist[search].errnum)\r
- return errlist[search].errstr;\r
- } //end for\r
-\r
- return "Unknown error";\r
-} //end of the function WINS_ErrorMessage\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_Init(void)\r
-{\r
- int i;\r
- struct hostent *local;\r
- char buff[MAXHOSTNAMELEN];\r
- struct sockaddr_s addr;\r
- char *p;\r
- int r;\r
- WORD wVersionRequested; \r
-\r
- wVersionRequested = MAKEWORD(1, 1);\r
-\r
- r = WSAStartup (wVersionRequested, &winsockdata);\r
-\r
- if (r)\r
- {\r
- WinPrint("Winsock initialization failed.\n");\r
- return -1;\r
- }\r
-\r
- /*\r
- i = COM_CheckParm ("-udpport");\r
- if (i == 0)*/\r
- net_hostport = DEFAULTnet_hostport;\r
- /*\r
- else if (i < com_argc-1)\r
- net_hostport = Q_atoi (com_argv[i+1]);\r
- else\r
- Sys_Error ("WINS_Init: you must specify a number after -udpport");\r
- */\r
-\r
- // determine my name & address\r
- gethostname(buff, MAXHOSTNAMELEN);\r
- local = gethostbyname(buff);\r
- myAddr = *(int *)local->h_addr_list[0];\r
-\r
- // if the quake hostname isn't set, set it to the machine name\r
-// if (Q_strcmp(hostname.string, "UNNAMED") == 0)\r
- {\r
- // see if it's a text IP address (well, close enough)\r
- for (p = buff; *p; p++)\r
- if ((*p < '0' || *p > '9') && *p != '.')\r
- break;\r
-\r
- // if it is a real name, strip off the domain; we only want the host\r
- if (*p)\r
- {\r
- for (i = 0; i < 15; i++)\r
- if (buff[i] == '.')\r
- break;\r
- buff[i] = 0;\r
- }\r
-// Cvar_Set ("hostname", buff);\r
- }\r
-\r
- if ((net_controlsocket = WINS_OpenSocket (0)) == -1)\r
- WinError("WINS_Init: Unable to open control socket\n");\r
-\r
- ((struct sockaddr_in *)&broadcastaddr)->sin_family = AF_INET;\r
- ((struct sockaddr_in *)&broadcastaddr)->sin_addr.s_addr = INADDR_BROADCAST;\r
- ((struct sockaddr_in *)&broadcastaddr)->sin_port = htons((u_short)net_hostport);\r
-\r
- WINS_GetSocketAddr (net_controlsocket, &addr);\r
- strcpy(my_tcpip_address, WINS_AddrToString (&addr));\r
- p = strrchr (my_tcpip_address, ':');\r
- if (p) *p = 0;\r
- WinPrint("Winsock Initialized\n");\r
-\r
- return net_controlsocket;\r
-} //end of the function WINS_Init\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-char *WINS_MyAddress(void)\r
-{\r
- return my_tcpip_address;\r
-} //end of the function WINS_MyAddress\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-void WINS_Shutdown(void)\r
-{\r
- //WINS_Listen(0);\r
- WINS_CloseSocket(net_controlsocket);\r
- WSACleanup();\r
- //\r
- WinPrint("Winsock Shutdown\n");\r
-} //end of the function WINS_Shutdown\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-/*\r
-void WINS_Listen(int state)\r
-{\r
- // enable listening\r
- if (state)\r
- {\r
- if (net_acceptsocket != -1)\r
- return;\r
- if ((net_acceptsocket = WINS_OpenSocket (net_hostport)) == -1)\r
- WinError ("WINS_Listen: Unable to open accept socket\n");\r
- return;\r
- }\r
-\r
- // disable listening\r
- if (net_acceptsocket == -1)\r
- return;\r
- WINS_CloseSocket (net_acceptsocket);\r
- net_acceptsocket = -1;\r
-} //end of the function WINS_Listen*/\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_OpenSocket(int port)\r
-{\r
- int newsocket;\r
- struct sockaddr_in address;\r
- u_long _true = 1;\r
-\r
- if ((newsocket = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)\r
- {\r
- WinPrint("WINS_OpenSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- return -1;\r
- } //end if\r
-\r
- if (ioctlsocket (newsocket, FIONBIO, &_true) == -1)\r
- {\r
- WinPrint("WINS_OpenSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- closesocket(newsocket);\r
- return -1;\r
- } //end if\r
-\r
- memset((char *) &address, 0, sizeof(address));\r
- address.sin_family = AF_INET;\r
- address.sin_addr.s_addr = INADDR_ANY;\r
- address.sin_port = htons((u_short)port);\r
- if( bind (newsocket, (void *)&address, sizeof(address)) == -1)\r
- {\r
- WinPrint("WINS_OpenSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- closesocket(newsocket);\r
- return -1;\r
- } //end if\r
-\r
- return newsocket;\r
-} //end of the function WINS_OpenSocket\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_OpenReliableSocket(int port)\r
-{\r
- int newsocket;\r
- struct sockaddr_in address;\r
- BOOL _true = 0xFFFFFFFF;\r
-\r
- //IPPROTO_TCP\r
- //\r
- if ((newsocket = socket(AF_INET, SOCK_STREAM, 0)) == -1)\r
- {\r
- WinPrint("WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- return -1;\r
- } //end if\r
-\r
- memset((char *) &address, 0, sizeof(address));\r
- address.sin_family = AF_INET;\r
- address.sin_addr.s_addr = htonl(INADDR_ANY);\r
- address.sin_port = htons((u_short)port);\r
- if (bind(newsocket, (void *)&address, sizeof(address)) == -1)\r
- {\r
- WinPrint("WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- closesocket(newsocket);\r
- return -1;\r
- } //end if\r
-\r
- //\r
- if (setsockopt(newsocket, IPPROTO_TCP, TCP_NODELAY, (void *) &_true, sizeof(int)) == SOCKET_ERROR)\r
- {\r
- WinPrint("WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- WinPrint("setsockopt error\n");\r
- } //end if\r
-\r
- return newsocket;\r
-} //end of the function WINS_OpenReliableSocket\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_Listen(int socket)\r
-{\r
- u_long _true = 1;\r
-\r
- if (ioctlsocket(socket, FIONBIO, &_true) == -1)\r
- {\r
- WinPrint("WINS_Listen: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- return -1;\r
- } //end if\r
- if (listen(socket, SOMAXCONN) == SOCKET_ERROR)\r
- {\r
- WinPrint("WINS_Listen: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- return -1;\r
- } //end if\r
- return 0;\r
-} //end of the function WINS_Listen\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_Accept(int socket, struct sockaddr_s *addr)\r
-{\r
- int addrlen = sizeof (struct sockaddr_s);\r
- int newsocket;\r
- BOOL _true = 1;\r
-\r
- newsocket = accept(socket, (struct sockaddr *)addr, &addrlen);\r
- if (newsocket == INVALID_SOCKET)\r
- {\r
- if (WSAGetLastError() == WSAEWOULDBLOCK) return -1;\r
- WinPrint("WINS_Accept: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- return -1;\r
- } //end if\r
- //\r
- if (setsockopt(newsocket, IPPROTO_TCP, TCP_NODELAY, (void *) &_true, sizeof(int)) == SOCKET_ERROR)\r
- {\r
- WinPrint("WINS_Accept: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- WinPrint("setsockopt error\n");\r
- } //end if\r
- return newsocket;\r
-} //end of the function WINS_Accept\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_CloseSocket(int socket)\r
-{\r
- /*\r
- if (socket == net_broadcastsocket)\r
- net_broadcastsocket = 0;\r
- */\r
-// shutdown(socket, SD_SEND);\r
-\r
- if (closesocket(socket) == SOCKET_ERROR)\r
- {\r
- WinPrint("WINS_CloseSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- return SOCKET_ERROR;\r
- } //end if\r
- return 0;\r
-} //end of the function WINS_CloseSocket\r
-//===========================================================================\r
-// this lets you type only as much of the net address as required, using\r
-// the local network components to fill in the rest\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-static int PartialIPAddress (char *in, struct sockaddr_s *hostaddr)\r
-{\r
- char buff[256];\r
- char *b;\r
- int addr;\r
- int num;\r
- int mask;\r
- \r
- buff[0] = '.';\r
- b = buff;\r
- strcpy(buff+1, in);\r
- if (buff[1] == '.') b++;\r
-\r
- addr = 0;\r
- mask=-1;\r
- while (*b == '.')\r
- {\r
- num = 0;\r
- if (*++b < '0' || *b > '9') return -1;\r
- while (!( *b < '0' || *b > '9'))\r
- num = num*10 + *(b++) - '0';\r
- mask<<=8;\r
- addr = (addr<<8) + num;\r
- }\r
- \r
- hostaddr->sa_family = AF_INET;\r
- ((struct sockaddr_in *)hostaddr)->sin_port = htons((u_short)net_hostport);\r
- ((struct sockaddr_in *)hostaddr)->sin_addr.s_addr = (myAddr & htonl(mask)) | htonl(addr);\r
- \r
- return 0;\r
-} //end of the function PartialIPAddress\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_Connect(int socket, struct sockaddr_s *addr)\r
-{\r
- int ret;\r
- u_long _true2 = 0xFFFFFFFF;\r
-\r
- ret = connect(socket, (struct sockaddr *)addr, sizeof(struct sockaddr_s));\r
- if (ret == SOCKET_ERROR)\r
- {\r
- WinPrint("WINS_Connect: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- return -1;\r
- } //end if\r
- if (ioctlsocket(socket, FIONBIO, &_true2) == -1)\r
- {\r
- WinPrint("WINS_Connect: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- return -1;\r
- } //end if\r
- return 0;\r
-} //end of the function WINS_Connect\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_CheckNewConnections(void)\r
-{\r
- char buf[4];\r
-\r
- if (net_acceptsocket == -1)\r
- return -1;\r
-\r
- if (recvfrom(net_acceptsocket, buf, 4, MSG_PEEK, NULL, NULL) > 0)\r
- return net_acceptsocket;\r
- return -1;\r
-} //end of the function WINS_CheckNewConnections\r
-//===========================================================================\r
-// returns the number of bytes read\r
-// 0 if no bytes available\r
-// -1 on failure\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_Read(int socket, byte *buf, int len, struct sockaddr_s *addr)\r
-{\r
- int addrlen = sizeof (struct sockaddr_s);\r
- int ret, errno;\r
-\r
- if (addr)\r
- {\r
- ret = recvfrom(socket, buf, len, 0, (struct sockaddr *)addr, &addrlen);\r
- if (ret == -1)\r
- {\r
- errno = WSAGetLastError();\r
-\r
- if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED)\r
- return 0;\r
- } //end if\r
- } //end if\r
- else\r
- {\r
- ret = recv(socket, buf, len, 0);\r
- if (ret == SOCKET_ERROR)\r
- {\r
- errno = WSAGetLastError();\r
-\r
- if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED)\r
- return 0;\r
- } //end if\r
- } //end else\r
- if (ret == SOCKET_ERROR)\r
- {\r
- WinPrint("WINS_Read: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- } //end if\r
- return ret;\r
-} //end of the function WINS_Read\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_MakeSocketBroadcastCapable (int socket)\r
-{\r
- int i = 1;\r
-\r
- // make this socket broadcast capable\r
- if (setsockopt(socket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) < 0)\r
- return -1;\r
- net_broadcastsocket = socket;\r
-\r
- return 0;\r
-} //end of the function WINS_MakeSocketBroadcastCapable\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_Broadcast (int socket, byte *buf, int len)\r
-{\r
- int ret;\r
-\r
- if (socket != net_broadcastsocket)\r
- {\r
- if (net_broadcastsocket != 0)\r
- WinError("Attempted to use multiple broadcasts sockets\n");\r
- ret = WINS_MakeSocketBroadcastCapable (socket);\r
- if (ret == -1)\r
- {\r
- WinPrint("Unable to make socket broadcast capable\n");\r
- return ret;\r
- }\r
- }\r
-\r
- return WINS_Write (socket, buf, len, &broadcastaddr);\r
-} //end of the function WINS_Broadcast\r
-//===========================================================================\r
-// returns qtrue on success or qfalse on failure\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_Write(int socket, byte *buf, int len, struct sockaddr_s *addr)\r
-{\r
- int ret, written;\r
-\r
- if (addr)\r
- {\r
- written = 0;\r
- while(written < len)\r
- {\r
- ret = sendto (socket, &buf[written], len-written, 0, (struct sockaddr *)addr, sizeof(struct sockaddr_s));\r
- if (ret == SOCKET_ERROR)\r
- {\r
- if (WSAGetLastError() != WSAEWOULDBLOCK)\r
- return qfalse;\r
- Sleep(1000);\r
- } //end if\r
- else\r
- {\r
- written += ret;\r
- }\r
- }\r
- } //end if\r
- else\r
- {\r
- written = 0;\r
- while(written < len)\r
- {\r
- ret = send(socket, buf, len, 0);\r
- if (ret == SOCKET_ERROR)\r
- {\r
- if (WSAGetLastError() != WSAEWOULDBLOCK)\r
- return qfalse;\r
- Sleep(1000);\r
- } //end if\r
- else\r
- {\r
- written += ret;\r
- }\r
- }\r
- } //end else\r
- if (ret == SOCKET_ERROR)\r
- {\r
- WinPrint("WINS_Write: %s\n", WINS_ErrorMessage(WSAGetLastError()));\r
- } //end if\r
- return (ret == len);\r
-} //end of the function WINS_Write\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-char *WINS_AddrToString (struct sockaddr_s *addr)\r
-{\r
- static char buffer[22];\r
- int haddr;\r
-\r
- haddr = ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr);\r
- 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));\r
- return buffer;\r
-} //end of the function WINS_AddrToString\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_StringToAddr(char *string, struct sockaddr_s *addr)\r
-{\r
- int ha1, ha2, ha3, ha4, hp;\r
- int ipaddr;\r
-\r
- sscanf(string, "%d.%d.%d.%d:%d", &ha1, &ha2, &ha3, &ha4, &hp);\r
- ipaddr = (ha1 << 24) | (ha2 << 16) | (ha3 << 8) | ha4;\r
-\r
- addr->sa_family = AF_INET;\r
- ((struct sockaddr_in *)addr)->sin_addr.s_addr = htonl(ipaddr);\r
- ((struct sockaddr_in *)addr)->sin_port = htons((u_short)hp);\r
- return 0;\r
-} //end of the function WINS_StringToAddr\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_GetSocketAddr(int socket, struct sockaddr_s *addr)\r
-{\r
- int addrlen = sizeof(struct sockaddr_s);\r
- unsigned int a;\r
-\r
- memset(addr, 0, sizeof(struct sockaddr_s));\r
- getsockname(socket, (struct sockaddr *)addr, &addrlen);\r
- a = ((struct sockaddr_in *)addr)->sin_addr.s_addr;\r
- if (a == 0 || a == inet_addr("127.0.0.1"))\r
- ((struct sockaddr_in *)addr)->sin_addr.s_addr = myAddr;\r
-\r
- return 0;\r
-} //end of the function WINS_GetSocketAddr\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_GetNameFromAddr (struct sockaddr_s *addr, char *name)\r
-{\r
- struct hostent *hostentry;\r
-\r
- hostentry = gethostbyaddr ((char *)&((struct sockaddr_in *)addr)->sin_addr, sizeof(struct in_addr), AF_INET);\r
- if (hostentry)\r
- {\r
- strncpy (name, (char *)hostentry->h_name, NET_NAMELEN - 1);\r
- return 0;\r
- }\r
-\r
- strcpy (name, WINS_AddrToString (addr));\r
- return 0;\r
-} //end of the function WINS_GetNameFromAddr\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_GetAddrFromName(char *name, struct sockaddr_s *addr)\r
-{\r
- struct hostent *hostentry;\r
-\r
- if (name[0] >= '0' && name[0] <= '9')\r
- return PartialIPAddress (name, addr);\r
- \r
- hostentry = gethostbyname (name);\r
- if (!hostentry)\r
- return -1;\r
-\r
- addr->sa_family = AF_INET;\r
- ((struct sockaddr_in *)addr)->sin_port = htons((u_short)net_hostport);\r
- ((struct sockaddr_in *)addr)->sin_addr.s_addr = *(int *)hostentry->h_addr_list[0];\r
-\r
- return 0;\r
-} //end of the function WINS_GetAddrFromName\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_AddrCompare (struct sockaddr_s *addr1, struct sockaddr_s *addr2)\r
-{\r
- if (addr1->sa_family != addr2->sa_family)\r
- return -1;\r
-\r
- if (((struct sockaddr_in *)addr1)->sin_addr.s_addr != ((struct sockaddr_in *)addr2)->sin_addr.s_addr)\r
- return -1;\r
-\r
- if (((struct sockaddr_in *)addr1)->sin_port != ((struct sockaddr_in *)addr2)->sin_port)\r
- return 1;\r
-\r
- return 0;\r
-} //end of the function WINS_AddrCompare\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_GetSocketPort (struct sockaddr_s *addr)\r
-{\r
- return ntohs(((struct sockaddr_in *)addr)->sin_port);\r
-} //end of the function WINS_GetSocketPort\r
-//===========================================================================\r
-//\r
-// Parameter: -\r
-// Returns: -\r
-// Changes Globals: -\r
-//===========================================================================\r
-int WINS_SetSocketPort (struct sockaddr_s *addr, int port)\r
-{\r
- ((struct sockaddr_in *)addr)->sin_port = htons((u_short)port);\r
- return 0;\r
-} //end of the function WINS_SetSocketPort\r
+/*
+ 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
+
+#define qtrue 1
+#define qfalse 0
+
+typedef struct tag_error_struct
+{
+ int errnum;
+ LPSTR errstr;
+} ERROR_STRUCT;
+
+#define NET_NAMELEN 64
+
+char my_tcpip_address[NET_NAMELEN];
+
+#define DEFAULTnet_hostport 26000
+
+#define 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
projects / xonotic / netradiant.git / blobdiff