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For people who have several network interfaces, added a --iface-addr option

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to select which interface to use for multicast sockets.
This commit is contained in:
Christophe Massiot 2002-10-01 22:29:09 +00:00
parent 3b6da989d4
commit 2aac17a64a
2 changed files with 22 additions and 5 deletions
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18
modules/misc/network/ipv4.c
View File

@ -2,7 +2,7 @@
* ipv4.c: IPv4 network abstraction layer
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: ipv4.c,v 1.3 2002/08/08 22:28:22 sam Exp $
* $Id: ipv4.c,v 1.4 2002/10/01 22:29:08 massiot Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Mathias Kretschmer <mathias@research.att.com>
@ -240,15 +240,25 @@ static int OpenUDP( vlc_object_t * p_this, network_socket_t * p_socket )
if( IN_MULTICAST( ntohl(sock.sin_addr.s_addr) ) )
{
struct ip_mreq imr;
imr.imr_interface.s_addr = INADDR_ANY;
char * psz_if_addr = config_GetPsz( p_this, "iface-addr" );
imr.imr_multiaddr.s_addr = sock.sin_addr.s_addr;
#else
if( IN_MULTICAST( ntohl(inet_addr(psz_bind_addr) ) ) )
{
struct ip_mreq imr;
imr.imr_interface.s_addr = INADDR_ANY;
char * psz_if_addr = config_GetPsz( p_this, "iface-addr" );
imr.imr_multiaddr.s_addr = inet_addr(psz_bind_addr);
#endif
#endif
if ( *psz_if_addr && inet_addr(psz_if_addr) != -1 )
{
imr.imr_interface.s_addr = inet_addr(psz_if_addr);
}
else
{
imr.imr_interface.s_addr = INADDR_ANY;
}
free( psz_if_addr );
if( setsockopt( i_handle, IPPROTO_IP, IP_ADD_MEMBERSHIP,
(char*)&imr, sizeof(struct ip_mreq) ) == -1 )
{

9
src/libvlc.h
View File

@ -2,7 +2,7 @@
* libvlc.h: main libvlc header
*****************************************************************************
* Copyright (C) 1998-2002 VideoLAN
* $Id: libvlc.h,v 1.15 2002/09/16 20:46:38 massiot Exp $
* $Id: libvlc.h,v 1.16 2002/10/01 22:29:09 massiot Exp $
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
@ -189,6 +189,12 @@
"If you have several interfaces on your Linux machine and use the " \
"VLAN solution, you may indicate here which interface to use.")
#define IFACE_ADDR_TEXT N_("network interface address")
#define IFACE_ADDR_LONGTEXT N_( \
"If you have several interfaces on your machine and use the " \
"multicast solution, you will probably have to indicate the IP address " \
"of your multicasting interface here.")
#define INPUT_PROGRAM_TEXT N_("choose program (SID)")
#define INPUT_PROGRAM_LONGTEXT N_( \
"Choose the program to select by giving its Service ID.")
@ -392,6 +398,7 @@ vlc_module_begin();
CHAN_PORT_TEXT, CHAN_PORT_LONGTEXT );
add_integer( "mtu", 1500, NULL, MTU_TEXT, MTU_LONGTEXT );
add_string( "iface", "eth0", NULL, IFACE_TEXT, IFACE_LONGTEXT );
add_string( "iface-addr", "", NULL, IFACE_ADDR_TEXT, IFACE_ADDR_LONGTEXT );
add_integer( "program", 0, NULL,
INPUT_PROGRAM_TEXT, INPUT_PROGRAM_LONGTEXT );