mirror of
https://git.do.srb2.org/STJr/SRB2.git
synced 2024-11-15 09:11:48 +00:00
82 lines
2 KiB
C
82 lines
2 KiB
C
|
/* $Id: receivedata.c,v 1.1 2011/04/11 08:21:47 nanard Exp $ */
|
||
|
|
/* Project : miniupnp
|
||
|
|
* Author : Thomas Bernard
|
||
|
|
* Copyright (c) 2011 Thomas Bernard
|
||
|
|
* This software is subject to the conditions detailed in the
|
||
|
|
* LICENCE file provided in this distribution. */
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#ifdef WIN32
|
||
|
|
#include <winsock2.h>
|
||
|
|
#include <ws2tcpip.h>
|
||
|
|
#else
|
||
|
|
#include <unistd.h>
|
||
|
|
#if defined(__amigaos__) && !defined(__amigaos4__)
|
||
|
|
#define socklen_t int
|
||
|
|
#else /* #if defined(__amigaos__) && !defined(__amigaos4__) */
|
||
|
|
#include <sys/select.h>
|
||
|
|
#endif /* #else defined(__amigaos__) && !defined(__amigaos4__) */
|
||
|
|
#include <sys/socket.h>
|
||
|
|
#if !defined(__amigaos__) && !defined(__amigaos4__)
|
||
|
|
#include <poll.h>
|
||
|
|
#endif
|
||
|
|
#include <errno.h>
|
||
|
|
#define MINIUPNPC_IGNORE_EINTR
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef WIN32
|
||
|
|
#define PRINT_SOCKET_ERROR(x) printf("Socket error: %s, %d\n", x, WSAGetLastError());
|
||
|
|
#else
|
||
|
|
#define PRINT_SOCKET_ERROR(x) perror(x)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "receivedata.h"
|
||
|
|
|
||
|
|
int
|
||
|
|
receivedata(int socket, char * data, int length, int timeout)
|
||
|
|
{
|
||
|
|
int n;
|
||
|
|
#if !defined(WIN32) && !defined(__amigaos__) && !defined(__amigaos4__)
|
||
|
|
/* using poll */
|
||
|
|
struct pollfd fds[1]; /* for the poll */
|
||
|
|
#ifdef MINIUPNPC_IGNORE_EINTR
|
||
|
|
do {
|
||
|
|
#endif
|
||
|
|
fds[0].fd = socket;
|
||
|
|
fds[0].events = POLLIN;
|
||
|
|
n = poll(fds, 1, timeout);
|
||
|
|
#ifdef MINIUPNPC_IGNORE_EINTR
|
||
|
|
} while(n < 0 && errno == EINTR);
|
||
|
|
#endif
|
||
|
|
if(n < 0) {
|
||
|
|
PRINT_SOCKET_ERROR("poll");
|
||
|
|
return -1;
|
||
|
|
} else if(n == 0) {
|
||
|
|
/* timeout */
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#else /* !defined(WIN32) && !defined(__amigaos__) && !defined(__amigaos4__) */
|
||
|
|
/* using select under WIN32 and amigaos */
|
||
|
|
fd_set socketSet;
|
||
|
|
TIMEVAL timeval;
|
||
|
|
FD_ZERO(&socketSet);
|
||
|
|
FD_SET(socket, &socketSet);
|
||
|
|
timeval.tv_sec = timeout / 1000;
|
||
|
|
timeval.tv_usec = (timeout % 1000) * 1000;
|
||
|
|
n = select(FD_SETSIZE, &socketSet, NULL, NULL, &timeval);
|
||
|
|
if(n < 0) {
|
||
|
|
PRINT_SOCKET_ERROR("select");
|
||
|
|
return -1;
|
||
|
|
} else if(n == 0) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
n = recv(socket, data, length, 0);
|
||
|
|
if(n<0) {
|
||
|
|
PRINT_SOCKET_ERROR("recv");
|
||
|
|
}
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
|
||
|
|
|