mirror of
https://github.com/mpv-player/mpv
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788a4d5f91
and put it under the proper '#ifndef HAVE_CLOSESOCKET' condition. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27505 b3059339-0415-0410-9bf9-f77b7e298cf2
203 lines
5.4 KiB
C
203 lines
5.4 KiB
C
/*
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* network helpers for UDP connections (originally borrowed from rtp.c)
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*
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* Copyright (C) 2006 Benjamin Zores
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <ctype.h>
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#ifndef HAVE_WINSOCK2_H
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#include <netdb.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#else
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#endif
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#include "mp_msg.h"
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#include "network.h"
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#include "url.h"
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#include "udp.h"
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int reuse_socket=0;
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/* Start listening on a UDP port. If multicast, join the group. */
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int
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udp_open_socket (URL_t *url)
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{
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int socket_server_fd, rxsockbufsz;
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int err;
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socklen_t err_len;
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fd_set set;
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struct sockaddr_in server_address;
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struct ip_mreq mcast;
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struct timeval tv;
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struct hostent *hp;
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int reuse=reuse_socket;
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mp_msg (MSGT_NETWORK, MSGL_V,
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"Listening for traffic on %s:%d ...\n", url->hostname, url->port);
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socket_server_fd = socket (AF_INET, SOCK_DGRAM, 0);
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if (socket_server_fd == -1)
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{
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mp_msg (MSGT_NETWORK, MSGL_ERR, "Failed to create socket\n");
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return -1;
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}
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if (isalpha (url->hostname[0]))
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{
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#ifndef HAVE_WINSOCK2_H
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hp = (struct hostent *) gethostbyname (url->hostname);
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if (!hp)
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{
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mp_msg (MSGT_NETWORK, MSGL_ERR,
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"Counldn't resolve name: %s\n", url->hostname);
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closesocket (socket_server_fd);
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return -1;
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}
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memcpy ((void *) &server_address.sin_addr.s_addr,
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(void *) hp->h_addr_list[0], hp->h_length);
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#else
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server_address.sin_addr.s_addr = htonl (INADDR_ANY);
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#endif /* HAVE_WINSOCK2_H */
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}
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else
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{
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#ifndef HAVE_WINSOCK2_H
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#ifdef HAVE_ATON
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inet_aton (url->hostname, &server_address.sin_addr);
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#else
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inet_pton (AF_INET, url->hostname, &server_address.sin_addr);
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#endif /* HAVE_ATON */
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#else
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server_address.sin_addr.s_addr = htonl(INADDR_ANY);
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#endif /* HAVE_WINSOCK2_H */
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}
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server_address.sin_family = AF_INET;
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server_address.sin_port = htons (url->port);
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if(reuse_socket && setsockopt(socket_server_fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse)))
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mp_msg(MSGT_NETWORK, MSGL_ERR, "SO_REUSEADDR failed! ignore.\n");
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if (bind (socket_server_fd, (struct sockaddr *) &server_address,
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sizeof (server_address)) == -1)
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{
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#ifndef HAVE_WINSOCK2_H
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if (errno != EINPROGRESS)
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#else
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if (WSAGetLastError () != WSAEINPROGRESS)
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#endif /* HAVE_WINSOCK2_H */
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{
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mp_msg (MSGT_NETWORK, MSGL_ERR, "Failed to connect to server\n");
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closesocket (socket_server_fd);
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return -1;
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}
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}
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#ifdef HAVE_WINSOCK2_H
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if (isalpha (url->hostname[0]))
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{
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hp = (struct hostent *) gethostbyname (url->hostname);
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if (!hp)
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{
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mp_msg (MSGT_NETWORK, MSGL_ERR,
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"Could not resolve name: %s\n", url->hostname);
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closesocket (socket_server_fd);
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return -1;
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}
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memcpy ((void *) &server_address.sin_addr.s_addr,
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(void *) hp->h_addr, hp->h_length);
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}
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else
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{
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unsigned int addr = inet_addr (url->hostname);
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memcpy ((void *) &server_address.sin_addr, (void *) &addr, sizeof (addr));
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}
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#endif /* HAVE_WINSOCK2_H */
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/* Increase the socket rx buffer size to maximum -- this is UDP */
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rxsockbufsz = 240 * 1024;
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if (setsockopt (socket_server_fd, SOL_SOCKET, SO_RCVBUF,
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&rxsockbufsz, sizeof (rxsockbufsz)))
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{
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mp_msg (MSGT_NETWORK, MSGL_ERR,
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"Couldn't set receive socket buffer size\n");
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}
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if ((ntohl (server_address.sin_addr.s_addr) >> 28) == 0xe)
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{
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mcast.imr_multiaddr.s_addr = server_address.sin_addr.s_addr;
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mcast.imr_interface.s_addr = 0;
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if (setsockopt (socket_server_fd, IPPROTO_IP,
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IP_ADD_MEMBERSHIP, &mcast, sizeof (mcast)))
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{
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mp_msg (MSGT_NETWORK, MSGL_ERR, "IP_ADD_MEMBERSHIP failed (do you have multicasting enabled in your kernel?)\n");
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closesocket (socket_server_fd);
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return -1;
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}
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}
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tv.tv_sec = 1; /* 1 second timeout */
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tv.tv_usec = 0;
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FD_ZERO (&set);
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FD_SET (socket_server_fd, &set);
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err = select (socket_server_fd + 1, &set, NULL, NULL, &tv);
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if (err < 0)
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{
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mp_msg (MSGT_NETWORK, MSGL_FATAL,
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"Select failed: %s\n", strerror (errno));
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closesocket (socket_server_fd);
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return -1;
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}
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if (err == 0)
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{
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mp_msg (MSGT_NETWORK, MSGL_ERR,
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"Timeout! No data from host %s\n", url->hostname);
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closesocket (socket_server_fd);
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return -1;
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}
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err_len = sizeof (err);
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getsockopt (socket_server_fd, SOL_SOCKET, SO_ERROR, &err, &err_len);
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if (err)
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{
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mp_msg (MSGT_NETWORK, MSGL_DBG2, "Socket error: %d\n", err);
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closesocket (socket_server_fd);
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return -1;
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}
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return socket_server_fd;
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}
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