This program 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.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-// net_udp.c
-
#include "quakedef.h"
-
+#include "net_udp.h"
+#ifdef WIN32
+#include "winquake.h"
+#define MAXHOSTNAMELEN 256
+#else
+#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
+#include <arpa/inet.h>
#include <netdb.h>
#include <sys/param.h>
#include <sys/ioctl.h>
#ifdef NeXT
#include <libc.h>
#endif
-
-extern int gethostname (char *, int);
-extern int close (int);
+#endif
static int net_acceptsocket = -1; // socket for fielding new connections
static int net_controlsocket;
static int net_broadcastsocket = 0;
static struct qsockaddr broadcastaddr;
-static unsigned long myAddr;
-
-#include "net_udp.h"
+static union {int i;unsigned char d[4];} myAddr;
//=============================================================================
+#ifdef WIN32
+WSADATA winsockdata;
+#endif
+
int UDP_Init (void)
{
- struct hostent *local;
- char buff[MAXHOSTNAMELEN];
- struct qsockaddr addr;
- char *colon;
-
+ int i;
+ struct hostent *local = NULL;
+ char buff[MAXHOSTNAMELEN];
+
if (COM_CheckParm ("-noudp"))
return -1;
- // determine my name & address
- gethostname(buff, MAXHOSTNAMELEN);
- local = gethostbyname(buff);
- if (!local)
- myAddr = htonl(INADDR_LOOPBACK); // default to the loopback address
- else
- myAddr = *(int *)local->h_addr_list[0];
-
- // LordHavoc FIXME: get rid of this someday, just leave machines unnamed
- // if the quake hostname isn't set, set it to the machine name
- if (strcmp(hostname.string, "UNNAMED") == 0)
+#ifdef WIN32
+ if (WSAStartup (MAKEWORD(1, 1), &winsockdata))
+ {
+ Con_SafePrintf ("Winsock initialization failed.\n");
+ return -1;
+ }
+#endif
+
+ // loopback as a worst case fallback
+ myAddr.d[0] = 127;myAddr.d[1] = 0;myAddr.d[2] = 0;myAddr.d[3] = 1;
+
+ if ((i = COM_CheckParm("-ip")) != 0 && i < com_argc)
+ {
+ myAddr.i = inet_addr(com_argv[i+1]);
+ Con_Printf("Binding to IP Interface Address of %i.%i.%i.%i\n", myAddr.d[0], myAddr.d[1], myAddr.d[2], myAddr.d[3]);
+ }
+ else if (gethostname(buff, MAXHOSTNAMELEN) != -1)
{
- buff[15] = 0;
- Cvar_Set ("hostname", buff);
+ buff[MAXHOSTNAMELEN - 1] = 0;
+ local = gethostbyname(buff);
+ if (local != NULL)
+ myAddr.i = *((int *)local->h_addr_list[0]);
}
+ sprintf(my_tcpip_address, "%d.%d.%d.%d", myAddr.d[0], myAddr.d[1], myAddr.d[2], myAddr.d[3]);
+
if ((net_controlsocket = UDP_OpenSocket (0)) == -1)
- Sys_Error("UDP_Init: Unable to open control socket\n");
+ {
+ Con_Printf("UDP_Init: Unable to open control socket\n");
+#ifdef WIN32
+ WSACleanup ();
+#endif
+ return -1;
+ }
((struct sockaddr_in *)&broadcastaddr)->sin_family = AF_INET;
((struct sockaddr_in *)&broadcastaddr)->sin_addr.s_addr = htonl(INADDR_BROADCAST);
- ((struct sockaddr_in *)&broadcastaddr)->sin_port = htons(net_hostport);
-
- UDP_GetSocketAddr (net_controlsocket, &addr);
- strcpy(my_tcpip_address, UDP_AddrToString (&addr));
- colon = strrchr (my_tcpip_address, ':');
- if (colon)
- *colon = 0;
+ ((struct sockaddr_in *)&broadcastaddr)->sin_port = htons((unsigned short)net_hostport);
Con_Printf("UDP Initialized\n");
tcpipAvailable = true;
{
UDP_Listen (false);
UDP_CloseSocket (net_controlsocket);
+#ifdef WIN32
+ WSACleanup ();
+#endif
}
//=============================================================================
{
int newsocket;
struct sockaddr_in address;
- qboolean _true = true;
if ((newsocket = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
return -1;
- if (ioctl (newsocket, FIONBIO, (char *)&_true) == -1)
- goto ErrorReturn;
+ {
+#ifdef WIN32
+ u_long _true = 1;
+ if (ioctlsocket (newsocket, FIONBIO, &_true) == -1)
+ {
+ closesocket (newsocket);
+#else
+ char _true = 1;
+ if (ioctl (newsocket, FIONBIO, &_true) == -1)
+ {
+ close (newsocket);
+#endif
+ Sys_Error("UDP_OpenSocket: unable to do a ioctl FIONBIO on the socket\n");
+ }
+ }
address.sin_family = AF_INET;
- address.sin_addr.s_addr = INADDR_ANY;
- address.sin_port = htons(port);
- if( bind (newsocket, (void *)&address, sizeof(address)) == -1)
- goto ErrorReturn;
+ address.sin_addr.s_addr = myAddr.i;
+ address.sin_port = htons((unsigned short)port);
+ if (bind(newsocket, (void *)&address, sizeof(address)) == -1)
+ {
+#ifdef WIN32
+ closesocket(newsocket);
+#else
+ close(newsocket);
+#endif
+ Sys_Error ("UDP_OpenSocket: Unable to bind to %s", UDP_AddrToString((struct qsockaddr *)&address));
+ }
return newsocket;
-
-ErrorReturn:
- close (newsocket);
- return -1;
}
//=============================================================================
int UDP_CloseSocket (int socket)
{
- if (socket == net_broadcastsocket)
+ if (net_broadcastsocket == socket)
net_broadcastsocket = 0;
+#ifdef WIN32
+ return closesocket (socket);
+#else
return close (socket);
+#endif
}
-
-//=============================================================================
-/*
-============
-PartialIPAddress
-
-this lets you type only as much of the net address as required, using
-the local network components to fill in the rest
-============
-*/
-// LordHavoc FIXME: this whole function is stupid
-static int PartialIPAddress (const char *in, struct qsockaddr *hostaddr)
-{
- // LordHavoc FIXME: buff is stupid, it just ensures the address begins with a . for the parser
- char buff[256];
- char *b;
- int addr;
- int num;
- int mask;
- int run;
- int port;
-
- buff[0] = '.';
- b = buff;
- strcpy(buff+1, in);
- if (buff[1] == '.')
- b++;
-
- addr = 0;
- mask=-1;
- while (*b == '.')
- {
- b++;
- num = 0;
- run = 0;
- while (*b >= '0' && *b <= '9')
- {
- num = num*10 + *b++ - '0';
- if (num > 255)
- return -1;
- }
- if (*b != '.' && *b != ':' && *b != 0)
- return -1;
- mask<<=8;
- addr = (addr<<8) + num;
- }
-
- if (*b++ == ':')
- port = atoi(b);
- else
- port = net_hostport;
-
- hostaddr->sa_family = AF_INET;
- ((struct sockaddr_in *)hostaddr)->sin_port = htons((short)port);
- ((struct sockaddr_in *)hostaddr)->sin_addr.s_addr = (myAddr & htonl(mask)) | htonl(addr);
-
- return 0;
-}
//=============================================================================
int UDP_Connect (int socket, struct qsockaddr *addr)
int UDP_CheckNewConnections (void)
{
+ char buf[4096];
+#ifndef WIN32
unsigned long available;
struct sockaddr_in from;
socklen_t fromlen;
- char buff[1];
+#endif
if (net_acceptsocket == -1)
return -1;
+#ifdef WIN32
+ if (recvfrom (net_acceptsocket, buf, sizeof(buf), MSG_PEEK, NULL, NULL) >= 0)
+ return net_acceptsocket;
+#else
if (ioctl (net_acceptsocket, FIONREAD, &available) == -1)
Sys_Error ("UDP: ioctlsocket (FIONREAD) failed\n");
if (available)
return net_acceptsocket;
- recvfrom (net_acceptsocket, buff, 0, 0, (struct sockaddr *) &from, &fromlen);
+ recvfrom (net_acceptsocket, buf, 0, 0, (struct sockaddr *) &from, &fromlen);
+#endif
return -1;
}
int ret;
ret = recvfrom (socket, buf, len, 0, (struct sockaddr *)addr, &addrlen);
- if (ret == -1 && (errno == EWOULDBLOCK || errno == ECONNREFUSED))
- return 0;
+ if (ret == -1)
+ {
+#ifdef WIN32
+ int e = WSAGetLastError();
+ if (e == WSAEWOULDBLOCK || e == WSAECONNREFUSED)
+ return 0;
+ Con_Printf("UDP_Read: WASGetLastError == %i\n", e);
+#else
+ if (errno == EWOULDBLOCK || errno == ECONNREFUSED)
+ return 0;
+ Con_Printf("UDP_Read: errno == %i (%s)\n", errno, strerror(errno));
+#endif
+ }
return ret;
}
int UDP_MakeSocketBroadcastCapable (int socket)
{
- int i = 1;
+ int i = 1;
// make this socket broadcast capable
if (setsockopt(socket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) < 0)
int ret;
ret = sendto (socket, buf, len, 0, (struct sockaddr *)addr, sizeof(struct qsockaddr));
- if (ret == -1 && errno == EWOULDBLOCK)
- return 0;
+ if (ret == -1)
+ {
+#ifdef WIN32
+ int e = WSAGetLastError();
+ if (e == WSAEWOULDBLOCK)
+ return 0;
+ Con_Printf("UDP_Write: WASGetLastError == %i\n", e);
+#else
+ if (errno == EWOULDBLOCK)
+ return 0;
+ Con_Printf("UDP_Write: errno == %i (%s)\n", errno, strerror(errno));
+#endif
+ }
return ret;
}
char *UDP_AddrToString (const struct qsockaddr *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));
+ static char buffer[22]; // only 22 needed (3 + 1 + 3 + 1 + 3 + 1 + 3 + 1 + 5 + null)
+ unsigned char *ip = (char *)(&((struct sockaddr_in *)addr)->sin_addr.s_addr);
+ sprintf(buffer, "%d.%d.%d.%d:%d", ip[0], ip[1], ip[2], ip[3], ntohs(((struct sockaddr_in *)addr)->sin_port));
return buffer;
}
addr->sa_family = AF_INET;
((struct sockaddr_in *)addr)->sin_addr.s_addr = htonl(ipaddr);
- ((struct sockaddr_in *)addr)->sin_port = htons(hp);
+ ((struct sockaddr_in *)addr)->sin_port = htons((unsigned short)hp);
return 0;
}
//=============================================================================
-unsigned long inet_addr(const char *cp);
int UDP_GetSocketAddr (int socket, struct qsockaddr *addr)
{
+ int ret;
int addrlen = sizeof(struct qsockaddr);
- unsigned int a;
-
memset(addr, 0, sizeof(struct qsockaddr));
- 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;
+ ret = getsockname(socket, (struct sockaddr *)addr, &addrlen);
+ if (ret == -1)
+ {
+#ifdef WIN32
+ int e = WSAGetLastError();
+ Con_Printf("UDP_GetSocketAddr: WASGetLastError == %i\n", e);
+#else
+ Con_Printf("UDP_GetSocketAddr: errno == %i (%s)\n", errno, strerror(errno));
+#endif
+ }
+ return ret;
}
//=============================================================================
struct hostent *hostentry;
if (name[0] >= '0' && name[0] <= '9')
- return PartialIPAddress (name, addr);
+ return UDP_StringToAddr (name, addr);
hostentry = gethostbyname (name);
if (!hostentry)
return -1;
addr->sa_family = AF_INET;
- ((struct sockaddr_in *)addr)->sin_port = htons(net_hostport);
+ ((struct sockaddr_in *)addr)->sin_port = htons((unsigned short)net_hostport);
((struct sockaddr_in *)addr)->sin_addr.s_addr = *(int *)hostentry->h_addr_list[0];
return 0;
int UDP_SetSocketPort (struct qsockaddr *addr, int port)
{
- ((struct sockaddr_in *)addr)->sin_port = htons(port);
+ ((struct sockaddr_in *)addr)->sin_port = htons((unsigned short)port);
return 0;
}
+++ /dev/null
-/*
-Copyright (C) 1996-1997 Id Software, Inc.
-
-This program 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.
-
-This program 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 this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*/
-// net_wins.c
-
-#include "quakedef.h"
-#include "winquake.h"
-
-#define MAXHOSTNAMELEN 256
-
-static int net_acceptsocket = -1; // socket for fielding new connections
-static int net_controlsocket;
-static int net_broadcastsocket = 0;
-static struct qsockaddr broadcastaddr;
-
-static unsigned long myAddr;
-
-#include "net_udp.h"
-
-WSADATA winsockdata;
-
-//=============================================================================
-
-static double blocktime;
-
-BOOL PASCAL FAR BlockingHook(void)
-{
- MSG msg;
- BOOL ret;
-
- if ((Sys_DoubleTime() - blocktime) > 2.0)
- {
- WSACancelBlockingCall();
- return false;
- }
-
- /* get the next message, if any */
- ret = (BOOL) PeekMessage(&msg, NULL, 0, 0, PM_REMOVE);
-
- /* if we got one, process it */
- if (ret) {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
-
- /* true if we got a message */
- return ret;
-}
-
-
-void UDP_GetLocalAddress(void)
-{
- struct hostent *local = NULL;
- char buff[MAXHOSTNAMELEN];
- unsigned long addr;
-
- if (myAddr != INADDR_ANY)
- return;
-
- if (gethostname(buff, MAXHOSTNAMELEN) == SOCKET_ERROR)
- return;
-
- blocktime = Sys_DoubleTime();
- WSASetBlockingHook(BlockingHook);
- local = gethostbyname(buff);
- WSAUnhookBlockingHook();
- if (local == NULL)
- return;
-
- myAddr = *(int *)local->h_addr_list[0];
-
- addr = ntohl(myAddr);
- sprintf(my_tcpip_address, "%d.%d.%d.%d", (int) ((addr >> 24) & 0xff), (int) ((addr >> 16) & 0xff), (int) ((addr >> 8) & 0xff), (int) (addr & 0xff));
-}
-
-
-int UDP_Init (void)
-{
- int i;
- char buff[MAXHOSTNAMELEN];
- char *p;
- int r;
-
- if (COM_CheckParm ("-noudp"))
- return -1;
-
- r = WSAStartup (MAKEWORD(1, 1), &winsockdata);
- if (r)
- {
- Con_SafePrintf ("Winsock initialization failed.\n");
- return -1;
- }
-
- // determine my name
- if (gethostname(buff, MAXHOSTNAMELEN) == SOCKET_ERROR)
- {
- Con_DPrintf ("Winsock TCP/IP Initialization failed.\n");
- WSACleanup ();
- return -1;
- }
-
- // if the quake hostname isn't set, set it to the machine name
- if (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);
- }
-
- i = COM_CheckParm ("-ip");
- if (i)
- {
- if (i < com_argc-1)
- {
- myAddr = inet_addr(com_argv[i+1]);
- if (myAddr == INADDR_NONE)
- Sys_Error ("%s is not a valid IP address", com_argv[i+1]);
- strcpy(my_tcpip_address, com_argv[i+1]);
- }
- else
- {
- Sys_Error ("NET_Init: you must specify an IP address after -ip");
- }
- }
- else
- {
- myAddr = INADDR_ANY;
- strcpy(my_tcpip_address, "INADDR_ANY");
- }
-
- if ((net_controlsocket = UDP_OpenSocket (0)) == -1)
- {
- Con_Printf("UDP_Init: Unable to open control socket\n");
- WSACleanup ();
- return -1;
- }
-
- ((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((unsigned short)net_hostport);
-
- Con_Printf("Winsock TCP/IP Initialized\n");
- tcpipAvailable = true;
-
- return net_controlsocket;
-}
-
-//=============================================================================
-
-void UDP_Shutdown (void)
-{
- UDP_Listen (false);
- UDP_CloseSocket (net_controlsocket);
- WSACleanup ();
-}
-
-//=============================================================================
-
-void UDP_Listen (qboolean state)
-{
- // enable listening
- if (state)
- {
- if (net_acceptsocket != -1)
- return;
- UDP_GetLocalAddress();
- if ((net_acceptsocket = UDP_OpenSocket (net_hostport)) == -1)
- Sys_Error ("UDP_Listen: Unable to open accept socket\n");
- return;
- }
-
- // disable listening
- if (net_acceptsocket == -1)
- return;
- UDP_CloseSocket (net_acceptsocket);
- net_acceptsocket = -1;
-}
-
-//=============================================================================
-
-int UDP_OpenSocket (int port)
-{
- int newsocket;
- struct sockaddr_in address;
- u_long _true = 1;
-
- if ((newsocket = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
- return -1;
-
- if (ioctlsocket (newsocket, FIONBIO, &_true) == -1)
- goto ErrorReturn;
-
- address.sin_family = AF_INET;
- address.sin_addr.s_addr = myAddr;
- address.sin_port = htons((unsigned short)port);
- if( bind (newsocket, (void *)&address, sizeof(address)) == 0)
- return newsocket;
-
- Sys_Error ("Unable to bind to %s", UDP_AddrToString((struct qsockaddr *)&address));
-ErrorReturn:
- closesocket (newsocket);
- return -1;
-}
-
-//=============================================================================
-
-int UDP_CloseSocket (int socket)
-{
- if (socket == net_broadcastsocket)
- net_broadcastsocket = 0;
- return closesocket (socket);
-}
-
-
-//=============================================================================
-/*
-============
-PartialIPAddress
-
-this lets you type only as much of the net address as required, using
-the local network components to fill in the rest
-============
-*/
-static int PartialIPAddress (const char *in, struct qsockaddr *hostaddr)
-{
- char buff[256];
- char *b;
- int addr;
- int num;
- int mask;
- int run;
- int port;
-
- buff[0] = '.';
- b = buff;
- strcpy(buff+1, in);
- if (buff[1] == '.')
- b++;
-
- addr = 0;
- mask=-1;
- while (*b == '.')
- {
- b++;
- num = 0;
- run = 0;
- while (!( *b < '0' || *b > '9'))
- {
- num = num*10 + *b++ - '0';
- if (++run > 3)
- return -1;
- }
- if ((*b < '0' || *b > '9') && *b != '.' && *b != ':' && *b != 0)
- return -1;
- if (num < 0 || num > 255)
- return -1;
- mask<<=8;
- addr = (addr<<8) + num;
- }
-
- if (*b++ == ':')
- port = atoi(b);
- else
- port = net_hostport;
-
- hostaddr->sa_family = AF_INET;
- ((struct sockaddr_in *)hostaddr)->sin_port = htons((short)port);
- ((struct sockaddr_in *)hostaddr)->sin_addr.s_addr = (myAddr & htonl(mask)) | htonl(addr);
-
- return 0;
-}
-//=============================================================================
-
-int UDP_Connect (int socket, struct qsockaddr *addr)
-{
- return 0;
-}
-
-//=============================================================================
-
-int UDP_CheckNewConnections (void)
-{
- char buf[4096];
-
- if (net_acceptsocket == -1)
- return -1;
-
- if (recvfrom (net_acceptsocket, buf, sizeof(buf), MSG_PEEK, NULL, NULL) >= 0)
- return net_acceptsocket;
- return -1;
-}
-
-//=============================================================================
-
-int UDP_Recv (qbyte *buf, int len, struct qsockaddr *addr)
-{
- return UDP_Read (net_acceptsocket, buf, len, addr);
-}
-
-//=============================================================================
-
-int UDP_Send (qbyte *buf, int len, struct qsockaddr *addr)
-{
- return UDP_Write (net_acceptsocket, buf, len, addr);
-}
-
-//=============================================================================
-
-int UDP_Read (int socket, qbyte *buf, int len, struct qsockaddr *addr)
-{
- int addrlen = sizeof (struct qsockaddr);
- int ret;
- int errno;
-
- ret = recvfrom (socket, buf, len, 0, (struct sockaddr *)addr, &addrlen);
- if (ret == -1)
- {
- errno = WSAGetLastError();
-
- if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED)
- return 0;
-
- }
- return ret;
-}
-
-//=============================================================================
-
-int UDP_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;
-}
-
-//=============================================================================
-
-int UDP_Broadcast (int socket, qbyte *buf, int len)
-{
- int ret;
-
- if (socket != net_broadcastsocket)
- {
- if (net_broadcastsocket != 0)
- Sys_Error("Attempted to use multiple broadcasts sockets\n");
- UDP_GetLocalAddress();
- ret = UDP_MakeSocketBroadcastCapable (socket);
- if (ret == -1)
- {
- Con_Printf("Unable to make socket broadcast capable\n");
- return ret;
- }
- }
-
- return UDP_Write (socket, buf, len, &broadcastaddr);
-}
-
-//=============================================================================
-
-int UDP_Write (int socket, qbyte *buf, int len, struct qsockaddr *addr)
-{
- int ret;
-
- ret = sendto (socket, buf, len, 0, (struct sockaddr *)addr, sizeof(struct qsockaddr));
- if (ret == -1)
- if (WSAGetLastError() == WSAEWOULDBLOCK)
- return 0;
-
- return ret;
-}
-
-//=============================================================================
-
-char *UDP_AddrToString (const struct qsockaddr *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;
-}
-
-//=============================================================================
-
-int UDP_StringToAddr (const char *string, struct qsockaddr *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((unsigned short)hp);
- return 0;
-}
-
-//=============================================================================
-
-int UDP_GetSocketAddr (int socket, struct qsockaddr *addr)
-{
- int addrlen = sizeof(struct qsockaddr);
- unsigned int a;
-
- memset(addr, 0, sizeof(struct qsockaddr));
- 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;
-}
-
-//=============================================================================
-
-int UDP_GetNameFromAddr (const struct qsockaddr *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, UDP_AddrToString (addr));
- return 0;
-}
-
-//=============================================================================
-
-int UDP_GetAddrFromName(const char *name, struct qsockaddr *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((unsigned short)net_hostport);
- ((struct sockaddr_in *)addr)->sin_addr.s_addr = *(int *)hostentry->h_addr_list[0];
-
- return 0;
-}
-
-//=============================================================================
-
-int UDP_AddrCompare (const struct qsockaddr *addr1, const struct qsockaddr *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;
-}
-
-//=============================================================================
-
-int UDP_GetSocketPort (struct qsockaddr *addr)
-{
- return ntohs(((struct sockaddr_in *)addr)->sin_port);
-}
-
-
-int UDP_SetSocketPort (struct qsockaddr *addr, int port)
-{
- ((struct sockaddr_in *)addr)->sin_port = htons((unsigned short)port);
- return 0;
-}
-