removed udp socket creation code from rtp stack to a new dedicated udp helper file

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19324 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
ben 2006-08-04 19:31:53 +00:00
parent ae8b32f6c1
commit 74f76ea788
7 changed files with 216 additions and 115 deletions

View File

@ -86,6 +86,7 @@ SRCS += asf_streaming.c \
asf_mmst_streaming.c \
pnm.c \
rtp.c \
udp.c \
stream_rtsp.c \
stream_rtp.c \
stream_udp.c \

View File

@ -198,117 +198,6 @@ int read_rtp_from_server(int fd, char *buffer, int length) {
return(length);
}
// Start listening on a UDP port. If multicast, join the group.
int rtp_open_socket( URL_t *url ) {
int socket_server_fd, rxsockbufsz;
int err, err_len;
fd_set set;
struct sockaddr_in server_address;
struct ip_mreq mcast;
struct timeval tv;
struct hostent *hp;
mp_msg(MSGT_NETWORK,MSGL_V,"Listening for traffic on %s:%d ...\n", url->hostname, url->port );
socket_server_fd = socket(AF_INET, SOCK_DGRAM, 0);
// fcntl( socket_server_fd, F_SETFL, fcntl(socket_server_fd, F_GETFL) | O_NONBLOCK );
if( socket_server_fd==-1 ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to create socket\n");
return -1;
}
if( isalpha(url->hostname[0]) ) {
#ifndef HAVE_WINSOCK2
hp =(struct hostent*)gethostbyname( url->hostname );
if( hp==NULL ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Counldn't resolve name: %s\n", url->hostname);
goto err_out;
}
memcpy( (void*)&server_address.sin_addr.s_addr, (void*)hp->h_addr_list[0], hp->h_length );
#else
server_address.sin_addr.s_addr = htonl(INADDR_ANY);
#endif
} else {
#ifndef HAVE_WINSOCK2
#ifdef USE_ATON
inet_aton(url->hostname, &server_address.sin_addr);
#else
inet_pton(AF_INET, url->hostname, &server_address.sin_addr);
#endif
#else
server_address.sin_addr.s_addr = htonl(INADDR_ANY);
#endif
}
server_address.sin_family=AF_INET;
server_address.sin_port=htons(url->port);
if( bind( socket_server_fd, (struct sockaddr*)&server_address, sizeof(server_address) )==-1 ) {
#ifndef HAVE_WINSOCK2
if( errno!=EINPROGRESS ) {
#else
if( WSAGetLastError() != WSAEINPROGRESS ) {
#endif
mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to connect to server\n");
goto err_out;
}
}
#ifdef HAVE_WINSOCK2
if (isalpha(url->hostname[0])) {
hp =(struct hostent*)gethostbyname( url->hostname );
if( hp==NULL ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Counldn't resolve name: %s\n", url->hostname);
goto err_out;
}
memcpy( (void*)&server_address.sin_addr.s_addr, (void*)hp->h_addr, hp->h_length );
} else {
unsigned int addr = inet_addr(url->hostname);
memcpy( (void*)&server_address.sin_addr, (void*)&addr, sizeof(addr) );
}
#endif
// Increase the socket rx buffer size to maximum -- this is UDP
rxsockbufsz = 240 * 1024;
if( setsockopt( socket_server_fd, SOL_SOCKET, SO_RCVBUF, &rxsockbufsz, sizeof(rxsockbufsz))) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Couldn't set receive socket buffer size\n");
}
if((ntohl(server_address.sin_addr.s_addr) >> 28) == 0xe) {
mcast.imr_multiaddr.s_addr = server_address.sin_addr.s_addr;
//mcast.imr_interface.s_addr = inet_addr("10.1.1.2");
mcast.imr_interface.s_addr = 0;
if( setsockopt( socket_server_fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mcast, sizeof(mcast))) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"IP_ADD_MEMBERSHIP failed (do you have multicasting enabled in your kernel?)\n");
goto err_out;
}
}
tv.tv_sec = 0;
tv.tv_usec = (1 * 1000000); // 1 second timeout
FD_ZERO( &set );
FD_SET( socket_server_fd, &set );
err = select(socket_server_fd+1, &set, NULL, NULL, &tv);
if (err < 0) {
mp_msg(MSGT_NETWORK, MSGL_FATAL, "Select failed: %s\n", strerror(errno));
goto err_out;
}
if (err == 0) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Timeout! No data from host %s\n", url->hostname );
goto err_out;
}
err_len = sizeof( err );
getsockopt( socket_server_fd, SOL_SOCKET, SO_ERROR, &err, &err_len );
if( err ) {
mp_msg(MSGT_NETWORK,MSGL_DBG2,"Socket error: %d\n", err );
goto err_out;
}
return socket_server_fd;
err_out:
closesocket(socket_server_fd);
return -1;
}
static int getrtp2(int fd, struct rtpheader *rh, char** data, int* lengthData) {
static char buf[1600];
unsigned int intP;

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@ -34,6 +34,5 @@ struct rtpheader { /* in network byte order */
static int getrtp2(int fd, struct rtpheader *rh, char** data, int* lengthData);
int read_rtp_from_server(int fd, char *buffer, int length);
int rtp_open_socket (URL_t *url);
#endif

View File

@ -24,6 +24,7 @@
#include "stream.h"
#include "url.h"
#include "udp.h"
#include "rtp.h"
static int
@ -47,7 +48,7 @@ rtp_streaming_start (stream_t *stream)
if (fd < 0)
{
fd = rtp_open_socket (streaming_ctrl->url);
fd = udp_open_socket (streaming_ctrl->url);
if (fd < 0)
return -1;
stream->fd = fd;

View File

@ -24,7 +24,7 @@
#include "stream.h"
#include "url.h"
#include "rtp.h"
#include "udp.h"
static int
udp_streaming_start (stream_t *stream)
@ -40,7 +40,7 @@ udp_streaming_start (stream_t *stream)
if (fd < 0)
{
fd = rtp_open_socket (streaming_ctrl->url);
fd = udp_open_socket (streaming_ctrl->url);
if (fd < 0)
return -1;
stream->fd = fd;

191
stream/udp.c Normal file
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@ -0,0 +1,191 @@
/*
* Copyright (C) 2006 Benjamin Zores
* Network helpers for UDP connections (originally borrowed from rtp.c).
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <ctype.h>
#include <netdb.h>
#ifndef HAVE_WINSOCK2
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#define closesocket close
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#include "mp_msg.h"
#include "url.h"
#include "udp.h"
/* Start listening on a UDP port. If multicast, join the group. */
int
udp_open_socket (URL_t *url)
{
int socket_server_fd, rxsockbufsz;
int err, err_len;
fd_set set;
struct sockaddr_in server_address;
struct ip_mreq mcast;
struct timeval tv;
struct hostent *hp;
mp_msg (MSGT_NETWORK, MSGL_V,
"Listening for traffic on %s:%d ...\n", url->hostname, url->port);
socket_server_fd = socket (AF_INET, SOCK_DGRAM, 0);
if (socket_server_fd == -1)
{
mp_msg (MSGT_NETWORK, MSGL_ERR, "Failed to create socket\n");
return -1;
}
if (isalpha (url->hostname[0]))
{
#ifndef HAVE_WINSOCK2
hp = (struct hostent *) gethostbyname (url->hostname);
if (!hp)
{
mp_msg (MSGT_NETWORK, MSGL_ERR,
"Counldn't resolve name: %s\n", url->hostname);
closesocket (socket_server_fd);
return -1;
}
memcpy ((void *) &server_address.sin_addr.s_addr,
(void *) hp->h_addr_list[0], hp->h_length);
#else
server_address.sin_addr.s_addr = htonl (INADDR_ANY);
#endif /* HAVE_WINSOCK2 */
}
else
{
#ifndef HAVE_WINSOCK2
#ifdef USE_ATON
inet_aton (url->hostname, &server_address.sin_addr);
#else
inet_pton (AF_INET, url->hostname, &server_address.sin_addr);
#endif /* USE_ATON */
#else
server_address.sin_addr.s_addr = htonl(INADDR_ANY);
#endif /* HAVE_WINSOCK2 */
}
server_address.sin_family = AF_INET;
server_address.sin_port = htons (url->port);
if (bind (socket_server_fd, (struct sockaddr *) &server_address,
sizeof (server_address)) == -1)
{
#ifndef HAVE_WINSOCK2
if (errno != EINPROGRESS)
#else
if (WSAGetLastError () != WSAEINPROGRESS)
#endif /* HAVE_WINSOCK2 */
{
mp_msg (MSGT_NETWORK, MSGL_ERR, "Failed to connect to server\n");
closesocket (socket_server_fd);
return -1;
}
}
#ifdef HAVE_WINSOCK2
if (isalpha (url->hostname[0]))
{
hp = (struct hostent *) gethostbyname (url->hostname);
if (!hp)
{
mp_msg (MSGT_NETWORK, MSGL_ERR,
"Counldn't resolve name: %s\n", url->hostname);
closesocket (socket_server_fd);
return -1;
}
memcpy ((void *) &server_address.sin_addr.s_addr,
(void *) hp->h_addr, hp->h_length);
}
else
{
unsigned int addr = inet_addr (url->hostname);
memcpy ((void *) &server_address.sin_addr, (void *) &addr, sizeof (addr));
}
#endif /* HAVE_WINSOCK2 */
/* Increase the socket rx buffer size to maximum -- this is UDP */
rxsockbufsz = 240 * 1024;
if (setsockopt (socket_server_fd, SOL_SOCKET, SO_RCVBUF,
&rxsockbufsz, sizeof (rxsockbufsz)))
{
mp_msg (MSGT_NETWORK, MSGL_ERR,
"Couldn't set receive socket buffer size\n");
}
if ((ntohl (server_address.sin_addr.s_addr) >> 28) == 0xe)
{
mcast.imr_multiaddr.s_addr = server_address.sin_addr.s_addr;
mcast.imr_interface.s_addr = 0;
if (setsockopt (socket_server_fd, IPPROTO_IP,
IP_ADD_MEMBERSHIP, &mcast, sizeof (mcast)))
{
mp_msg (MSGT_NETWORK, MSGL_ERR, "IP_ADD_MEMBERSHIP failed (do you have multicasting enabled in your kernel?)\n");
closesocket (socket_server_fd);
return -1;
}
}
tv.tv_sec = 0;
tv.tv_usec = (1 * 1000000); /* 1 second timeout */
FD_ZERO (&set);
FD_SET (socket_server_fd, &set);
err = select (socket_server_fd + 1, &set, NULL, NULL, &tv);
if (err < 0)
{
mp_msg (MSGT_NETWORK, MSGL_FATAL,
"Select failed: %s\n", strerror (errno));
closesocket (socket_server_fd);
return -1;
}
if (err == 0)
{
mp_msg (MSGT_NETWORK, MSGL_ERR,
"Timeout! No data from host %s\n", url->hostname);
closesocket (socket_server_fd);
return -1;
}
err_len = sizeof (err);
getsockopt (socket_server_fd, SOL_SOCKET, SO_ERROR, &err, &err_len);
if (err)
{
mp_msg (MSGT_NETWORK, MSGL_DBG2, "Socket error: %d\n", err);
closesocket (socket_server_fd);
return -1;
}
return socket_server_fd;
}

20
stream/udp.h Normal file
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@ -0,0 +1,20 @@
/*
* Copyright (C) 2006 Benjamin Zores
* Network helpers for UDP connections (originally borrowed from rtp.c).
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
int udp_open_socket (URL_t *url);