Commit 90ff5f51 authored by Laurent Aimar's avatar Laurent Aimar

* net: added net_OpenUDP

 * udp: cleaned to use net_*
parent 2900cf80
......@@ -2,7 +2,7 @@
* network.h: interface to communicate with network plug-ins
*****************************************************************************
* Copyright (C) 2002 VideoLAN
* $Id: network.h,v 1.9 2004/01/15 22:39:50 fenrir Exp $
* $Id: network.h,v 1.10 2004/01/21 10:22:31 fenrir Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Laurent Aimar <fenrir@via.ecp.fr>
......@@ -165,6 +165,9 @@ static inline void vlc_UrlClean( vlc_url_t *url )
#define net_OpenTCP(a, b, c) __net_OpenTCP(VLC_OBJECT(a), b, c)
VLC_EXPORT( int, __net_OpenTCP, ( vlc_object_t *p_this, char *psz_host, int i_port ) );
#define net_OpenUDP(a, b, c, d, e ) __net_OpenUDP(VLC_OBJECT(a), b, c, d, e)
VLC_EXPORT( int, __net_OpenUDP, ( vlc_object_t *p_this, char *psz_bind, int i_bind, char *psz_server, int i_server ) );
VLC_EXPORT( void, net_Close, ( int fd ) );
#define net_Read(a,b,c,d,e) __net_Read(VLC_OBJECT(a),b,c,d,e)
......
......@@ -2,10 +2,11 @@
* udp.c: raw UDP & RTP access plug-in
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: udp.c,v 1.26 2003/12/04 16:49:43 sam Exp $
* $Id: udp.c,v 1.27 2004/01/21 10:22:31 fenrir Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Tristan Leteurtre <tooney@via.ecp.fr>
* Laurent Aimar <fenrir@via.ecp.fr>
*
* Reviewed: 23 October 2003, Jean-Paul Saman <jpsaman@wxs.nl>
*
......@@ -13,7 +14,7 @@
* 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
......@@ -28,46 +29,12 @@
* Preamble
*****************************************************************************/
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <vlc/vlc.h>
#include <vlc/input.h>
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef WIN32
# include <winsock2.h>
# include <ws2tcpip.h>
# ifndef IN_MULTICAST
# define IN_MULTICAST(a) IN_CLASSD(a)
# endif
#else
# include <sys/socket.h>
#endif
#include "network.h"
#define RTP_HEADER_LEN 12
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static ssize_t Read ( input_thread_t *, byte_t *, size_t );
static ssize_t RTPRead ( input_thread_t *, byte_t *, size_t );
static ssize_t RTPChoose( input_thread_t *, byte_t *, size_t );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
......@@ -76,6 +43,9 @@ static ssize_t RTPChoose( input_thread_t *, byte_t *, size_t );
"Allows you to modify the default caching value for udp streams. This " \
"value should be set in miliseconds units." )
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
vlc_module_begin();
set_description( _("UDP/RTP input") );
add_category_hint( N_("UDP"), NULL , VLC_TRUE );
......@@ -91,15 +61,28 @@ vlc_module_begin();
set_callbacks( Open, Close );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
#define RTP_HEADER_LEN 12
static ssize_t Read ( input_thread_t *, byte_t *, size_t );
static ssize_t RTPRead ( input_thread_t *, byte_t *, size_t );
static ssize_t RTPChoose( input_thread_t *, byte_t *, size_t );
struct access_sys_t
{
int fd;
};
/*****************************************************************************
* Open: open the socket
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
input_thread_t * p_input = (input_thread_t *)p_this;
input_socket_t * p_access_data;
module_t * p_network;
char * psz_network = "";
input_thread_t *p_input = (input_thread_t *)p_this;
access_sys_t *p_sys;
char * psz_name = strdup(p_input->psz_name);
char * psz_parser = psz_name;
char * psz_server_addr = "";
......@@ -107,34 +90,36 @@ static int Open( vlc_object_t *p_this )
char * psz_bind_addr = "";
char * psz_bind_port = "";
int i_bind_port = 0, i_server_port = 0;
network_socket_t socket_desc;
vlc_value_t val;
if( config_GetInt( p_input, "ipv4" ) )
{
psz_network = "ipv4";
}
if( config_GetInt( p_input, "ipv6" ) )
{
psz_network = "ipv6";
}
/* First set ipv4/ipv6 */
var_Create( p_input, "ipv4", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_input, "ipv6", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
if( *p_input->psz_access )
{
/* Find out which shortcut was used */
if( !strncmp( p_input->psz_access, "udp6", 5 ) )
if( !strncmp( p_input->psz_access, "udp4", 6 ) || !strncmp( p_input->psz_access, "rtp4", 6 ))
{
psz_network = "ipv6";
val.b_bool = VLC_TRUE;
var_Set( p_input, "ipv4", val );
val.b_bool = VLC_FALSE;
var_Set( p_input, "ipv6", val );
}
else if( !strncmp( p_input->psz_access, "udp4", 5 ) )
else if( !strncmp( p_input->psz_access, "udp6", 6 ) || !strncmp( p_input->psz_access, "rtp6", 6 ) )
{
psz_network = "ipv4";
val.b_bool = VLC_TRUE;
var_Set( p_input, "ipv6", val );
val.b_bool = VLC_FALSE;
var_Set( p_input, "ipv4", val );
}
}
/* Parse psz_name syntax :
* [serveraddr[:serverport]][@[bindaddr]:[bindport]] */
if( *psz_parser && *psz_parser != '@' )
{
/* Found server */
......@@ -156,8 +141,7 @@ static int Open( vlc_object_t *p_this )
if( *psz_parser == ':' )
{
/* Found server port */
*psz_parser = '\0'; /* Terminate server name */
psz_parser++;
*psz_parser++ = '\0'; /* Terminate server name */
psz_server_port = psz_parser;
while( *psz_parser && *psz_parser != '@' )
......@@ -170,8 +154,7 @@ static int Open( vlc_object_t *p_this )
if( *psz_parser == '@' )
{
/* Found bind address or bind port */
*psz_parser = '\0'; /* Terminate server port or name if necessary */
psz_parser++;
*psz_parser++ = '\0'; /* Terminate server port or name if necessary */
if( *psz_parser && *psz_parser != ':' )
{
......@@ -195,53 +178,17 @@ static int Open( vlc_object_t *p_this )
if( *psz_parser == ':' )
{
/* Found bind port */
*psz_parser = '\0'; /* Terminate bind address if necessary */
psz_parser++;
*psz_parser++ = '\0'; /* Terminate bind address if necessary */
psz_bind_port = psz_parser;
}
}
/* Convert ports format */
if( *psz_server_port )
{
i_server_port = strtol( psz_server_port, &psz_parser, 10 );
if( *psz_parser )
{
msg_Err( p_input, "cannot parse server port near %s", psz_parser );
free(psz_name);
return( -1 );
}
}
if( *psz_bind_port )
{
i_bind_port = strtol( psz_bind_port, &psz_parser, 10 );
if( *psz_parser )
{
msg_Err( p_input, "cannot parse bind port near %s", psz_parser );
free(psz_name);
return( -1 );
}
}
if( i_bind_port == 0 )
i_server_port = strtol( psz_server_port, NULL, 10 );
if( ( i_bind_port = strtol( psz_bind_port, NULL, 10 ) ) == 0 )
{
i_bind_port = config_GetInt( p_this, "server-port" );
}
p_input->pf_read = RTPChoose;
p_input->pf_set_program = input_SetProgram;
p_input->pf_set_area = NULL;
p_input->pf_seek = NULL;
vlc_mutex_lock( &p_input->stream.stream_lock );
p_input->stream.b_pace_control = 0;
p_input->stream.b_seekable = 0;
p_input->stream.p_selected_area->i_tell = 0;
p_input->stream.i_method = INPUT_METHOD_NETWORK;
vlc_mutex_unlock( &p_input->stream.stream_lock );
if( *psz_server_addr || i_server_port )
{
msg_Err( p_input, "this UDP syntax is deprecated; the server argument will be");
......@@ -254,46 +201,50 @@ static int Open( vlc_object_t *p_this )
i_server_port = 0;
psz_server_addr = "";
}
msg_Dbg( p_input, "opening server=%s:%d local=%s:%d",
psz_server_addr, i_server_port, psz_bind_addr, i_bind_port );
/* Prepare the network_socket_t structure */
socket_desc.i_type = NETWORK_UDP;
socket_desc.psz_bind_addr = psz_bind_addr;
socket_desc.i_bind_port = i_bind_port;
socket_desc.psz_server_addr = psz_server_addr;
socket_desc.i_server_port = i_server_port;
socket_desc.i_ttl = 0;
/* Find an appropriate network module */
p_input->p_private = (void*) &socket_desc;
p_network = module_Need( p_input, "network", psz_network );
free(psz_name);
if( p_network == NULL )
p_sys = p_input->p_access_data = malloc( sizeof( access_sys_t ) );
if( p_sys == NULL )
{
return( -1 );
msg_Err( p_input, "out of memory" );
return VLC_EGENERIC;
}
module_Unneed( p_input, p_network );
p_access_data = malloc( sizeof(input_socket_t) );
p_input->p_access_data = (access_sys_t *)p_access_data;
if( p_access_data == NULL )
p_sys->fd = net_OpenUDP( p_input, psz_bind_addr, i_bind_port,
psz_server_addr, i_server_port );
if( p_sys->fd < 0 )
{
msg_Err( p_input, "out of memory" );
return( -1 );
msg_Err( p_input, "cannot open socket" );
free( psz_name );
free( p_sys );
return VLC_EGENERIC;
}
free( psz_name );
p_access_data->i_handle = socket_desc.i_handle;
p_input->i_mtu = socket_desc.i_mtu;
/* FIXME */
p_input->i_mtu = config_GetInt( p_this, "mtu" );
/* fill p_input fields */
p_input->pf_read = RTPChoose;
p_input->pf_set_program = input_SetProgram;
p_input->pf_set_area = NULL;
p_input->pf_seek = NULL;
vlc_mutex_lock( &p_input->stream.stream_lock );
p_input->stream.b_pace_control = VLC_FALSE;
p_input->stream.b_seekable = VLC_FALSE;
p_input->stream.p_selected_area->i_tell = 0;
p_input->stream.i_method = INPUT_METHOD_NETWORK;
vlc_mutex_unlock( &p_input->stream.stream_lock );
/* Update default_pts to a suitable value for udp access */
var_Create( p_input, "udp-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_input, "udp-caching", &val );
p_input->i_pts_delay = val.i_int * 1000;
return( 0 );
return VLC_SUCCESS;
}
/*****************************************************************************
......@@ -301,20 +252,14 @@ static int Open( vlc_object_t *p_this )
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
input_thread_t * p_input = (input_thread_t *)p_this;
input_socket_t * p_access_data = (input_socket_t *)p_input->p_access_data;
input_thread_t *p_input = (input_thread_t *)p_this;
access_sys_t *p_sys = p_input->p_access_data;
msg_Info( p_input, "closing UDP target `%s'", p_input->psz_source );
#ifdef UNDER_CE
CloseHandle( (HANDLE)p_access_data->i_handle );
#elif defined( WIN32 )
closesocket( p_access_data->i_handle );
#else
close( p_access_data->i_handle );
#endif
net_Close( p_sys->fd );
free( p_access_data );
free( p_sys );
}
/*****************************************************************************
......@@ -322,68 +267,9 @@ static void Close( vlc_object_t *p_this )
*****************************************************************************/
static ssize_t Read( input_thread_t * p_input, byte_t * p_buffer, size_t i_len )
{
#ifdef UNDER_CE
return -1;
#else
input_socket_t * p_access_data = (input_socket_t *)p_input->p_access_data;
struct timeval timeout;
fd_set fds;
ssize_t i_recv;
int i_ret;
/* Initialize file descriptor set */
FD_ZERO( &fds );
FD_SET( p_access_data->i_handle, &fds );
/* We'll wait 0.5 second if nothing happens */
timeout.tv_sec = 0;
timeout.tv_usec = 500000;
/* Find if some data is available */
while( ((i_ret = select( p_access_data->i_handle + 1, &fds,
NULL, NULL, &timeout )) == 0)
|| ((i_ret < 0) && (errno == EINTR)) )
{
FD_ZERO( &fds );
FD_SET( p_access_data->i_handle, &fds );
timeout.tv_sec = 0;
timeout.tv_usec = 500000;
if( p_input->b_die || p_input->b_error )
{
return 0;
}
}
if( i_ret < 0 )
{
msg_Err( p_input, "network select error (%s)", strerror(errno) );
return -1;
}
i_recv = recv( p_access_data->i_handle, p_buffer, i_len, 0 );
if( i_recv < 0 )
{
#ifdef WIN32
/* On win32 recv() will fail if the datagram doesn't fit inside
* the passed buffer, even though the buffer will be filled with
* the first part of the datagram. */
if( WSAGetLastError() == WSAEMSGSIZE )
{
msg_Err( p_input, "recv() failed. "
"Increase the mtu size (--mtu option)" );
i_recv = i_len;
}
else
#endif
msg_Err( p_input, "recv failed (%s)", strerror(errno) );
}
return i_recv;
access_sys_t *p_sys = p_input->p_access_data;
#endif
return net_Read( p_input, p_sys->fd, p_buffer, i_len, VLC_FALSE );
}
/*****************************************************************************
......
......@@ -2,7 +2,7 @@
* net.c:
*****************************************************************************
* Copyright (C) 2004 VideoLAN
* $Id: net.c,v 1.5 2004/01/09 12:23:46 gbazin Exp $
* $Id: net.c,v 1.6 2004/01/21 10:22:31 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@videolan.org>
*
......@@ -110,6 +110,62 @@ int __net_OpenTCP( vlc_object_t *p_this, char *psz_host, int i_port )
return sock.i_handle;
}
/*****************************************************************************
* __net_OpenUDP:
*****************************************************************************
* Open a UDP connection and return a handle
*****************************************************************************/
int __net_OpenUDP( vlc_object_t *p_this, char *psz_bind, int i_bind, char *psz_server, int i_server )
{
vlc_value_t val;
void *private;
char *psz_network = "";
network_socket_t sock;
module_t *p_network;
/* Check if we have force ipv4 or ipv6 */
var_Create( p_this, "ipv4", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Get( p_this, "ipv4", &val );
if( val.b_bool )
{
psz_network = "ipv4";
}
var_Create( p_this, "ipv6", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Get( p_this, "ipv6", &val );
if( val.b_bool )
{
psz_network = "ipv6";
}
if( psz_server == NULL ) psz_server = "";
if( psz_bind == NULL ) psz_bind = "";
/* Prepare the network_socket_t structure */
sock.i_type = NETWORK_UDP;
sock.psz_bind_addr = psz_bind;
sock.i_bind_port = i_bind;
sock.psz_server_addr = psz_server;
sock.i_server_port = i_server;
sock.i_ttl = 0;
msg_Dbg( p_this, "net: connecting to '%s:%d@%s:%d'",
psz_server, i_server, psz_bind, i_bind );
private = p_this->p_private;
p_this->p_private = (void*)&sock;
if( ( p_network = module_Need( p_this, "network", psz_network ) ) == NULL )
{
msg_Dbg( p_this, "net: connection to '%s:%d@%s:%d' failed",
psz_server, i_server, psz_bind, i_bind );
return -1;
}
module_Unneed( p_this, p_network );
p_this->p_private = private;
return sock.i_handle;
}
/*****************************************************************************
* __net_Close:
*****************************************************************************
......@@ -169,6 +225,19 @@ int __net_Read( vlc_object_t *p_this, int fd, uint8_t *p_data, int i_data, vlc_b
if( ( i_recv = recv( fd, p_data, i_data, 0 ) ) < 0 )
{
#ifdef WIN32
/* For udp only */
/* On win32 recv() will fail if the datagram doesn't fit inside
* the passed buffer, even though the buffer will be filled with
* the first part of the datagram. */
if( WSAGetLastError() == WSAEMSGSIZE )
{
msg_Err( p_input, "recv() failed. "
"Increase the mtu size (--mtu option)" );
i_recv = i_len;
}
else
#endif
msg_Err( p_this, "recv failed (%s)", strerror(errno) );
return i_total > 0 ? i_total : -1;
}
......
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