+++ /dev/null
-/*
-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.c
-// Function: -
-// Programmer: MrElusive
-// Last update: -
-// Tab size: 3
-// Notes:
-//====================================================================
-
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <stdlib.h>
-#include "l_net.h"
-#include "l_net_wins.h"
-
-#define GetMemory malloc
-#define FreeMemory free
-
-#define qtrue 1
-#define qfalse 0
-
-#ifdef _DEBUG
-void WinPrint(const char *str, ...)
-{
- va_list argptr;
- char text[4096];
-
- va_start (argptr,str);
- vsprintf (text, str, argptr);
- va_end (argptr);
-
- printf(text);
-}
-#else
-void WinPrint(const char *str, ...)
-{
-}
-#endif
-
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void Net_SetAddressPort(address_t *address, int port)
-{
- sockaddr_t addr;
-
- WINS_StringToAddr(address->ip, &addr);
- WINS_SetSocketPort(&addr, port);
- strcpy(address->ip, WINS_AddrToString(&addr));
-} //end of the function Net_SetAddressPort
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int Net_AddressCompare(address_t *addr1, address_t *addr2)
-{
-#ifdef WIN32
- return _stricmp(addr1->ip, addr2->ip);
-#else
- return strcasecmp(addr1->ip, addr2->ip);
-#endif
-} //end of the function Net_AddressCompare
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void Net_SocketToAddress(socket_t *sock, address_t *address)
-{
- strcpy(address->ip, WINS_AddrToString(&sock->addr));
-} //end of the function Net_SocketToAddress
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int Net_Send(socket_t *sock, netmessage_t *msg)
-{
- int size;
-
- size = msg->size;
- msg->size = 0;
- NMSG_WriteLong(msg, size-4);
- msg->size = size;
- //WinPrint("Net_Send: message of size %d\n", sendmsg.size);
- return WINS_Write(sock->socket, msg->data, msg->size, NULL);
-} //end of the function Net_SendSocketReliable
-//===========================================================================
-// returns the number of bytes recieved
-// -1 on error
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int Net_Receive(socket_t *sock, netmessage_t *msg)
-{
- int curread;
-
- if (sock->remaining > 0)
- {
- curread = WINS_Read(sock->socket, &sock->msg.data[sock->msg.size], sock->remaining, NULL);
- if (curread == -1)
- {
- WinPrint("Net_Receive: read error\n");
- return -1;
- } //end if
- sock->remaining -= curread;
- sock->msg.size += curread;
- if (sock->remaining <= 0)
- {
- sock->remaining = 0;
- memcpy(msg, &sock->msg, sizeof(netmessage_t));
- sock->msg.size = 0;
- return msg->size - 4;
- } //end if
- return 0;
- } //end if
- sock->msg.size = WINS_Read(sock->socket, sock->msg.data, 4, NULL);
- if (sock->msg.size == 0) return 0;
- if (sock->msg.size == -1)
- {
- WinPrint("Net_Receive: size header read error\n");
- return -1;
- } //end if
- //WinPrint("Net_Receive: message size header %d\n", msg->size);
- sock->msg.read = 0;
- sock->remaining = NMSG_ReadLong(&sock->msg);
- if (sock->remaining == 0) return 0;
- if (sock->remaining < 0 || sock->remaining > MAX_NETMESSAGE)
- {
- WinPrint("Net_Receive: invalid message size %d\n", sock->remaining);
- return -1;
- } //end if
- //try to read the message
- curread = WINS_Read(sock->socket, &sock->msg.data[sock->msg.size], sock->remaining, NULL);
- if (curread == -1)
- {
- WinPrint("Net_Receive: read error\n");
- return -1;
- } //end if
- sock->remaining -= curread;
- sock->msg.size += curread;
- if (sock->remaining <= 0)
- {
- sock->remaining = 0;
- memcpy(msg, &sock->msg, sizeof(netmessage_t));
- sock->msg.size = 0;
- return msg->size - 4;
- } //end if
- //the message has not been completely read yet
-#ifdef _DEBUG
- printf("++timo TODO: debug the Net_Receive on big size messages\n");
-#endif
- return 0;
-} //end of the function Net_Receive
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-socket_t *Net_AllocSocket(void)
-{
- socket_t *sock;
-
- sock = (socket_t *) GetMemory(sizeof(socket_t));
- memset(sock, 0, sizeof(socket_t));
- return sock;
-} //end of the function Net_AllocSocket
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void Net_FreeSocket(socket_t *sock)
-{
- FreeMemory(sock);
-} //end of the function Net_FreeSocket
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-socket_t *Net_Connect(address_t *address, int port)
-{
- int newsock;
- socket_t *sock;
- sockaddr_t sendaddr;
-
- // see if we can resolve the host name
- WINS_StringToAddr(address->ip, &sendaddr);
-
- newsock = WINS_OpenReliableSocket(port);
- if (newsock == -1) return NULL;
-
- sock = Net_AllocSocket();
- if (sock == NULL)
- {
- WINS_CloseSocket(newsock);
- return NULL;
- } //end if
- sock->socket = newsock;
-
- //connect to the host
- if (WINS_Connect(newsock, &sendaddr) == -1)
- {
- Net_FreeSocket(sock);
- WINS_CloseSocket(newsock);
- WinPrint("Net_Connect: error connecting\n");
- return NULL;
- } //end if
-
- memcpy(&sock->addr, &sendaddr, sizeof(sockaddr_t));
- //now we can send messages
- //
- return sock;
-} //end of the function Net_Connect
-
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-socket_t *Net_ListenSocket(int port)
-{
- int newsock;
- socket_t *sock;
-
- newsock = WINS_OpenReliableSocket(port);
- if (newsock == -1) return NULL;
-
- if (WINS_Listen(newsock) == -1)
- {
- WINS_CloseSocket(newsock);
- return NULL;
- } //end if
- sock = Net_AllocSocket();
- if (sock == NULL)
- {
- WINS_CloseSocket(newsock);
- return NULL;
- } //end if
- sock->socket = newsock;
- WINS_GetSocketAddr(newsock, &sock->addr);
- WinPrint("listen socket opened at %s\n", WINS_AddrToString(&sock->addr));
- //
- return sock;
-} //end of the function Net_ListenSocket
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-socket_t *Net_Accept(socket_t *sock)
-{
- int newsocket;
- sockaddr_t sendaddr;
- socket_t *newsock;
-
- newsocket = WINS_Accept(sock->socket, &sendaddr);
- if (newsocket == -1) return NULL;
-
- newsock = Net_AllocSocket();
- if (newsock == NULL)
- {
- WINS_CloseSocket(newsocket);
- return NULL;
- } //end if
- newsock->socket = newsocket;
- memcpy(&newsock->addr, &sendaddr, sizeof(sockaddr_t));
- //
- return newsock;
-} //end of the function Net_Accept
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void Net_Disconnect(socket_t *sock)
-{
- WINS_CloseSocket(sock->socket);
- Net_FreeSocket(sock);
-} //end of the function Net_Disconnect
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void Net_StringToAddress(const char *string, address_t *address)
-{
- strcpy(address->ip, string);
-} //end of the function Net_StringToAddress
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void Net_MyAddress(address_t *address)
-{
- strcpy(address->ip, WINS_MyAddress());
-} //end of the function Net_MyAddress
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int Net_Setup(void)
-{
- WINS_Init();
- //
- WinPrint("my address is %s\n", WINS_MyAddress());
- //
- return qtrue;
-} //end of the function Net_Setup
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void Net_Shutdown(void)
-{
- WINS_Shutdown();
-} //end of the function Net_Shutdown
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void NMSG_Clear(netmessage_t *msg)
-{
- msg->size = 4;
-} //end of the function NMSG_Clear
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void NMSG_WriteChar (netmessage_t *msg, int c)
-{
- if (c < -128 || c > 127)
- WinPrint("NMSG_WriteChar: range error\n");
-
- if (msg->size >= MAX_NETMESSAGE)
- {
- WinPrint("NMSG_WriteChar: overflow\n");
- return;
- } //end if
- msg->data[msg->size] = c;
- msg->size++;
-} //end of the function NMSG_WriteChar
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void NMSG_WriteByte(netmessage_t *msg, int c)
-{
- if (c < -128 || c > 127)
- WinPrint("NMSG_WriteByte: range error\n");
-
- if (msg->size + 1 >= MAX_NETMESSAGE)
- {
- WinPrint("NMSG_WriteByte: overflow\n");
- return;
- } //end if
- msg->data[msg->size] = c;
- msg->size++;
-} //end of the function NMSG_WriteByte
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void NMSG_WriteShort(netmessage_t *msg, int c)
-{
- if (c < ((short)0x8000) || c > (short)0x7fff)
- WinPrint("NMSG_WriteShort: range error");
-
- if (msg->size + 2 >= MAX_NETMESSAGE)
- {
- WinPrint("NMSG_WriteShort: overflow\n");
- return;
- } //end if
- msg->data[msg->size] = c&0xff;
- msg->data[msg->size+1] = c>>8;
- msg->size += 2;
-} //end of the function NMSG_WriteShort
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void NMSG_WriteLong(netmessage_t *msg, int c)
-{
- if (msg->size + 4 >= MAX_NETMESSAGE)
- {
- WinPrint("NMSG_WriteLong: overflow\n");
- return;
- } //end if
- msg->data[msg->size] = c&0xff;
- msg->data[msg->size+1] = (c>>8)&0xff;
- msg->data[msg->size+2] = (c>>16)&0xff;
- msg->data[msg->size+3] = c>>24;
- msg->size += 4;
-} //end of the function NMSG_WriteLong
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void NMSG_WriteFloat(netmessage_t *msg, float c)
-{
- if (msg->size + 4 >= MAX_NETMESSAGE)
- {
- WinPrint("NMSG_WriteLong: overflow\n");
- return;
- } //end if
- msg->data[msg->size] = *((int *)&c)&0xff;
- msg->data[msg->size+1] = (*((int *)&c)>>8)&0xff;
- msg->data[msg->size+2] = (*((int *)&c)>>16)&0xff;
- msg->data[msg->size+3] = *((int *)&c)>>24;
- msg->size += 4;
-} //end of the function NMSG_WriteFloat
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void NMSG_WriteString(netmessage_t *msg, char *string)
-{
- if (msg->size + strlen(string) + 1 >= MAX_NETMESSAGE)
- {
- WinPrint("NMSG_WriteString: overflow\n");
- return;
- } //end if
- memcpy(&msg->data[msg->size], string, strlen(string) + 1);
- msg->size += strlen(string) + 1;
-} //end of the function NMSG_WriteString
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void NMSG_ReadStart(netmessage_t *msg)
-{
- msg->readoverflow = qfalse;
- msg->read = 4;
-} //end of the function NMSG_ReadStart
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int NMSG_ReadChar(netmessage_t *msg)
-{
- if (msg->read + 1 > msg->size)
- {
- msg->readoverflow = qtrue;
- WinPrint("NMSG_ReadChar: read overflow\n");
- return 0;
- } //end if
- msg->read++;
- return msg->data[msg->read-1];
-} //end of the function NMSG_ReadChar
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int NMSG_ReadByte(netmessage_t *msg)
-{
- if (msg->read + 1 > msg->size)
- {
- msg->readoverflow = qtrue;
- WinPrint("NMSG_ReadByte: read overflow\n");
- return 0;
- } //end if
- msg->read++;
- return msg->data[msg->read-1];
-} //end of the function NMSG_ReadByte
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int NMSG_ReadShort(netmessage_t *msg)
-{
- int c;
-
- if (msg->read + 2 > msg->size)
- {
- msg->readoverflow = qtrue;
- WinPrint("NMSG_ReadShort: read overflow\n");
- return 0;
- } //end if
- c = (short)(msg->data[msg->read] + (msg->data[msg->read+1]<<8));
- msg->read += 2;
- return c;
-} //end of the function NMSG_ReadShort
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int NMSG_ReadLong(netmessage_t *msg)
-{
- int c;
-
- if (msg->read + 4 > msg->size)
- {
- msg->readoverflow = qtrue;
- WinPrint("NMSG_ReadLong: read overflow\n");
- return 0;
- } //end if
- c = msg->data[msg->read]
- + (msg->data[msg->read+1]<<8)
- + (msg->data[msg->read+2]<<16)
- + (msg->data[msg->read+3]<<24);
- msg->read += 4;
- return c;
-} //end of the function NMSG_ReadLong
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-float NMSG_ReadFloat(netmessage_t *msg)
-{
- int c;
-
- if (msg->read + 4 > msg->size)
- {
- msg->readoverflow = qtrue;
- WinPrint("NMSG_ReadLong: read overflow\n");
- return 0;
- } //end if
- c = msg->data[msg->read]
- + (msg->data[msg->read+1]<<8)
- + (msg->data[msg->read+2]<<16)
- + (msg->data[msg->read+3]<<24);
- msg->read += 4;
- return *(float *)&c;
-} //end of the function NMSG_ReadFloat
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-char *NMSG_ReadString(netmessage_t *msg)
-{
- static char string[2048];
- int l, c;
-
- l = 0;
- do
- {
- if (msg->read + 1 > msg->size)
- {
- msg->readoverflow = qtrue;
- WinPrint("NMSG_ReadString: read overflow\n");
- string[l] = 0;
- return string;
- } //end if
- c = msg->data[msg->read];
- msg->read++;
- if (c == 0) break;
- string[l] = c;
- l++;
- } while ((size_t) l < sizeof(string)-1);
- string[l] = 0;
- return string;
-} //end of the function NMSG_ReadString
projects / voretournament / voretournament.git / blobdiff