Commit 14c73097 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

Remove dead code

parent a1fe3a13
......@@ -173,17 +173,14 @@ static int OpenUDP( vlc_object_t * p_this )
/* Build the local socket */
if( BuildAddr( p_this, &sock, psz_bind_addr, i_bind_port ) == -1 )
{
msg_Dbg( p_this, "cannot build local address" );
return 0;
}
return VLC_EGENERIC;
/* Open a SOCK_DGRAM (UDP) socket, in the AF_INET domain, automatic (0)
* protocol */
if( (i_handle = socket( AF_INET, SOCK_DGRAM, 0 )) == -1 )
{
msg_Err( p_this, "cannot create socket (%s)", strerror(errno) );
return 0;
return VLC_EGENERIC;
}
/* We may want to reuse an already used socket */
......@@ -226,9 +223,8 @@ static int OpenUDP( vlc_object_t * p_this )
if( bind( i_handle, (struct sockaddr *)&stupid, sizeof( stupid ) ) < 0 )
{
msg_Warn( p_this, "cannot bind socket (%d)", WSAGetLastError() );
close( i_handle );
return 0;
msg_Err( p_this, "cannot bind socket (%d)", WSAGetLastError() );
goto error;
}
}
else
......@@ -236,9 +232,8 @@ static int OpenUDP( vlc_object_t * p_this )
/* Bind it */
if( bind( i_handle, (struct sockaddr *)&sock, sizeof( sock ) ) < 0 )
{
msg_Warn( p_this, "cannot bind socket (%s)", strerror(errno) );
close( i_handle );
return 0;
msg_Err( p_this, "cannot bind socket (%s)", strerror(errno) );
goto error;
}
#if !defined( SYS_BEOS )
......@@ -253,153 +248,63 @@ static int OpenUDP( vlc_object_t * p_this )
}
#endif
#if !defined( SYS_BEOS )
#ifdef IP_ADD_SOURCE_MEMBERSHIP
/* Join the multicast group if the socket is a multicast address */
if( IN_MULTICAST( ntohl(sock.sin_addr.s_addr) ) )
{
/* Determine interface to be used for multicast */
char * psz_if_addr = config_GetPsz( p_this, "miface-addr" );
#ifdef IP_ADD_SOURCE_MEMBERSHIP
/* If we have a source address, we use IP_ADD_SOURCE_MEMBERSHIP
so that IGMPv3 aware OSes running on IGMPv3 aware networks
will do an IGMPv3 query on the network */
if( *psz_server_addr )
{
struct ip_mreq_source imr;
imr.imr_multiaddr.s_addr = sock.sin_addr.s_addr;
imr.imr_sourceaddr.s_addr = inet_addr(psz_server_addr);
if( psz_if_addr != NULL && *psz_if_addr
&& inet_addr(psz_if_addr) != INADDR_NONE )
imr.imr_interface.s_addr = inet_addr(psz_if_addr);
else
imr.imr_interface.s_addr = INADDR_ANY;
if( psz_if_addr != NULL )
free( psz_if_addr );
msg_Dbg( p_this, "IP_ADD_SOURCE_MEMBERSHIP multicast request" );
/* Join Multicast group with source filter */
if( setsockopt( i_handle, IPPROTO_IP, IP_ADD_SOURCE_MEMBERSHIP,
(char*)&imr,
sizeof(struct ip_mreq_source) ) == -1 )
{
msg_Warn( p_this, "Source specific multicast failed (%s) -"
"check if your OS really supports IGMPv3",
strerror(errno) );
goto igmpv2;
}
}
/* If there is no source address, we use IP_ADD_MEMBERSHIP */
else
#endif
struct ip_mreq_source imr =
{
struct ip_mreq imr;
igmpv2:
.imr_multiaddr.s_addr = sock.sin_addr.s_addr,
.imr_sourceaddr.s_addr = inet_addr(psz_server_addr)
};
if( psz_if_addr != NULL && *psz_if_addr
&& inet_addr(psz_if_addr) != INADDR_NONE )
imr.imr_interface.s_addr = inet_addr(psz_if_addr);
else
imr.imr_interface.s_addr = INADDR_ANY;
imr.imr_multiaddr.s_addr = sock.sin_addr.s_addr;
if( psz_if_addr != NULL && *psz_if_addr
&& inet_addr(psz_if_addr) != INADDR_NONE )
{
imr.imr_interface.s_addr = inet_addr(psz_if_addr);
}
#if defined (WIN32) || defined (UNDER_CE)
else
{
typedef DWORD (CALLBACK * GETBESTINTERFACE) ( IPAddr, PDWORD );
typedef DWORD (CALLBACK * GETIPADDRTABLE) ( PMIB_IPADDRTABLE, PULONG, BOOL );
GETBESTINTERFACE OurGetBestInterface;
GETIPADDRTABLE OurGetIpAddrTable;
HINSTANCE hiphlpapi = LoadLibrary(_T("Iphlpapi.dll"));
DWORD i_index;
if( hiphlpapi )
{
OurGetBestInterface =
(void *)GetProcAddress( hiphlpapi,
_T("GetBestInterface") );
OurGetIpAddrTable =
(void *)GetProcAddress( hiphlpapi,
_T("GetIpAddrTable") );
}
if( hiphlpapi && OurGetBestInterface && OurGetIpAddrTable &&
OurGetBestInterface( sock.sin_addr.s_addr,
&i_index ) == NO_ERROR )
{
PMIB_IPADDRTABLE p_table;
DWORD i = 0;
msg_Dbg( p_this, "Winsock best interface is %lu",
(unsigned long)i_index );
OurGetIpAddrTable( NULL, &i, 0 );
p_table = (PMIB_IPADDRTABLE)malloc( i );
if( p_table != NULL )
{
if( OurGetIpAddrTable( p_table, &i, 0 ) == NO_ERROR )
{
for( i = 0; i < p_table->dwNumEntries; i-- )
{
if( p_table->table[i].dwIndex == i_index )
{
imr.imr_interface.s_addr =
p_table->table[i].dwAddr;
msg_Dbg( p_this, "using interface 0x%08x",
p_table->table[i].dwAddr );
}
}
}
else msg_Warn( p_this, "GetIpAddrTable failed" );
free( p_table );
}
}
else msg_Dbg( p_this, "GetBestInterface failed" );
if( psz_if_addr != NULL )
free( psz_if_addr );
if( hiphlpapi ) FreeLibrary( hiphlpapi );
}
#endif
if( psz_if_addr != NULL ) free( psz_if_addr );
msg_Dbg( p_this, "IP_ADD_SOURCE_MEMBERSHIP multicast request" );
msg_Dbg( p_this, "IP_ADD_MEMBERSHIP multicast request" );
/* Join Multicast group without source filter */
if( setsockopt( i_handle, IPPROTO_IP, IP_ADD_MEMBERSHIP,
(char*)&imr, sizeof(struct ip_mreq) ) == -1 )
{
msg_Err( p_this, "failed to join IP multicast group (%s)",
strerror(errno) );
close( i_handle );
return 0;
}
/* Join Multicast group with source filter */
if( setsockopt( i_handle, IPPROTO_IP, IP_ADD_SOURCE_MEMBERSHIP,
(void*)&imr,
sizeof(struct ip_mreq_source) ) == -1 )
{
msg_Err( p_this, "Source specific multicast failed (%s) -"
"check if your OS really supports IGMPv3",
strerror(errno) );
goto error;
}
}
else
#endif
if( *psz_server_addr )
{
/* Build socket for remote connection */
if ( BuildAddr( p_this, &sock, psz_server_addr, i_server_port ) == -1 )
{
msg_Warn( p_this, "cannot build remote address" );
close( i_handle );
return 0;
msg_Err( p_this, "cannot build remote address" );
goto error;
}
/* Connect the socket */
if( connect( i_handle, (struct sockaddr *) &sock,
sizeof( sock ) ) == (-1) )
{
msg_Warn( p_this, "cannot connect socket (%s)", strerror(errno) );
close( i_handle );
return 0;
msg_Err( p_this, "cannot connect socket (%s)", strerror(errno) );
goto error;
}
#if !defined( SYS_BEOS )
#ifdef IP_MULTICAST_IF
if( IN_MULTICAST( ntohl(inet_addr(psz_server_addr) ) ) )
{
/* set the time-to-live */
......@@ -416,9 +321,8 @@ static int OpenUDP( vlc_object_t * p_this )
if( setsockopt( i_handle, IPPROTO_IP, IP_MULTICAST_IF,
&intf, sizeof( intf ) ) < 0 )
{
msg_Dbg( p_this, "failed to set multicast interface (%s).", strerror(errno) );
close( i_handle );
return 0;
msg_Err( p_this, "failed to set multicast interface (%s).", strerror(errno) );
goto error;
}
}
......@@ -443,8 +347,7 @@ static int OpenUDP( vlc_object_t * p_this )
{
msg_Err( p_this, "failed to set ttl (%s)",
strerror(errno) );
close( i_handle );
return 0;
goto error;
}
}
}
......@@ -462,4 +365,8 @@ static int OpenUDP( vlc_object_t * p_this )
p_socket->i_mtu = val.i_int;
return 0;
error:
close (i_handle);
return VLC_EGENERIC;
}
......@@ -162,15 +162,15 @@ static int OpenUDP( vlc_object_t * p_this )
p_socket->i_handle = -1;
/* Build the local socket */
if ( BuildAddr( p_this, &sock, psz_bind_addr, i_bind_port ) == -1 )
return 0;
if ( BuildAddr( p_this, &sock, psz_bind_addr, i_bind_port ) == -1 )
return VLC_EGENERIC;
/* Open a SOCK_DGRAM (UDP) socket, in the AF_INET6 domain, automatic (0)
* protocol */
if( (i_handle = socket( AF_INET6, SOCK_DGRAM, 0 )) == -1 )
{
msg_Warn( p_this, "cannot create socket (%s)", strerror(errno) );
return 0;
msg_Err( p_this, "cannot create socket (%s)", strerror(errno) );
return VLC_EGENERIC;
}
#ifdef IPV6_PROTECTION_LEVEL
......@@ -179,15 +179,8 @@ static int OpenUDP( vlc_object_t * p_this )
#endif
/* We may want to reuse an already used socket */
i_opt = 1;
if( setsockopt( i_handle, SOL_SOCKET, SO_REUSEADDR,
(void *) &i_opt, sizeof( i_opt ) ) == -1 )
{
msg_Warn( p_this, "cannot configure socket (SO_REUSEADDR: %s)",
strerror(errno) );
close( i_handle );
return 0;
}
setsockopt( i_handle, SOL_SOCKET, SO_REUSEADDR,
(void *) &i_opt, sizeof( i_opt ) );
/* Increase the receive buffer size to 1/2MB (8Mb/s during 1/2s) to avoid
* packet loss caused by scheduling problems */
......@@ -211,8 +204,7 @@ static int OpenUDP( vlc_object_t * p_this )
if( bind( i_handle, (struct sockaddr *)&sockany, sizeof( sock ) ) < 0 )
{
msg_Warn( p_this, "cannot bind socket (%s)", strerror(errno) );
close( i_handle );
return 0;
goto errror;
}
}
else
......@@ -221,73 +213,47 @@ static int OpenUDP( vlc_object_t * p_this )
if( bind( i_handle, (struct sockaddr *)&sock, sizeof( sock ) ) < 0 )
{
msg_Warn( p_this, "cannot bind socket (%s)", strerror(errno) );
close( i_handle );
return 0;
goto error;
}
/* Join the multicast group if the socket is a multicast address */
if( IN6_IS_ADDR_MULTICAST(&sock.sin6_addr) )
{
if(*psz_server_addr)
{
#ifdef MCAST_JOIN_SOURCE_GROUP
struct group_source_req imr;
struct sockaddr_in6 *p_sin6;
imr.gsr_interface = 0;
imr.gsr_group.ss_family = AF_INET6;
imr.gsr_source.ss_family = AF_INET6;
p_sin6 = (struct sockaddr_in6 *)&imr.gsr_group;
p_sin6->sin6_addr = sock.sin6_addr;
/* Build socket for remote connection */
msg_Dbg( p_this, "psz_server_addr : %s", psz_server_addr);
#ifndef MCAST_JOIN_SOURCE_GROUP
errno = ENOSYS;
#else
struct group_source_req imr;
struct sockaddr_in6 *p_sin6;
if ( BuildAddr( p_this, &sock, psz_server_addr, i_server_port ) )
{
msg_Warn( p_this, "cannot build remote address" );
close( i_handle );
return 0;
}
p_sin6 = (struct sockaddr_in6 *)&imr.gsr_source;
p_sin6->sin6_addr = sock.sin6_addr;
imr.gsr_interface = 0;
imr.gsr_group.ss_family = AF_INET6;
imr.gsr_source.ss_family = AF_INET6;
p_sin6 = (struct sockaddr_in6 *)&imr.gsr_group;
p_sin6->sin6_addr = sock.sin6_addr;
msg_Dbg( p_this, "MCAST_JOIN_SOURCE_GROUP multicast request" );
if( setsockopt( i_handle, IPPROTO_IPV6, MCAST_JOIN_SOURCE_GROUP,
(char *)&imr, sizeof(struct group_source_req) ) == -1 )
#else
errno = ENOSYS;
#endif
{
/* Build socket for remote connection */
msg_Dbg( p_this, "psz_server_addr : %s", psz_server_addr);
msg_Err( p_this, "Source specific multicast failed (%s) -"
" check if your OS really supports MLDv2",
strerror(errno) );
}
}
else
if ( BuildAddr( p_this, &sock, psz_server_addr, i_server_port ) )
{
struct ipv6_mreq imr;
int res;
msg_Warn( p_this, "cannot build remote address" );
goto error;
}
p_sin6 = (struct sockaddr_in6 *)&imr.gsr_source;
p_sin6->sin6_addr = sock.sin6_addr;
imr.ipv6mr_interface = sock.sin6_scope_id;
imr.ipv6mr_multiaddr = sock.sin6_addr;
msg_Dbg( p_this, "IPV6_JOIN_GROUP multicast request" );
res = setsockopt(i_handle, IPPROTO_IPV6, IPV6_JOIN_GROUP, (void*) &imr,
#if defined(WIN32)
sizeof(imr) + 4); /* Doesn't work without this */
#else
sizeof(imr));
msg_Dbg( p_this, "MCAST_JOIN_SOURCE_GROUP multicast request" );
if( setsockopt( i_handle, IPPROTO_IPV6, MCAST_JOIN_SOURCE_GROUP,
(char *)&imr, sizeof(struct group_source_req) ) == -1 )
#endif
if( res == -1 )
{
msg_Err( p_this, "cannot join multicast group" );
}
{
msg_Err( p_this, "Source specific multicast failed (%s) -"
" check if your OS really supports MLDv2",
strerror(errno) );
goto error;
}
}
else
if( *psz_server_addr )
{
int ttl;
......@@ -295,8 +261,7 @@ static int OpenUDP( vlc_object_t * p_this )
if ( BuildAddr( p_this, &sock, psz_server_addr, i_server_port ) == -1 )
{
msg_Warn( p_this, "cannot build remote address" );
close( i_handle );
return 0;
goto error;
}
/* Connect the socket */
......@@ -304,41 +269,31 @@ static int OpenUDP( vlc_object_t * p_this )
sizeof( sock ) ) == (-1) )
{
msg_Warn( p_this, "cannot connect socket (%s)", strerror(errno) );
close( i_handle );
return 0;
goto error;
}
/* Set the time-to-live */
ttl = p_socket->i_ttl;
if( ttl <= 0 )
ttl = config_GetInt( p_this, "ttl" );
ttl = var_CreateGetInteger( p_this, "ttl" );
if( ttl > 0 )
if( ttl >= 0 )
{
if( IN6_IS_ADDR_MULTICAST(&sock.sin6_addr) )
{
if( setsockopt( i_handle, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
int cmd = IN6_IS_ADDR_MULTICAST(&sock.sin6_addr)
? IPV6_MULTICAST_HOPS : IPV6_UNICAST_HOPS;
if( setsockopt( i_handle, IPPROTO_IPV6, cmd,
(void *)&ttl, sizeof( ttl ) ) < 0 )
{
msg_Err( p_this, "failed to set multicast ttl (%s)",
strerror(errno) );
}
}
else
{
if( setsockopt( i_handle, IPPROTO_IPV6, IPV6_UNICAST_HOPS,
(void *)&ttl, sizeof( ttl ) ) < 0 )
{
msg_Err( p_this, "failed to set unicast ttl (%s)",
strerror(errno) );
}
msg_Err( p_this, "failed to set multicast ttl (%s)",
strerror(errno) );
goto error;
}
}
/* Set multicast output interface */
if( IN6_IS_ADDR_MULTICAST(&sock.sin6_addr) )
{
char *psz_mif = config_GetPsz( p_this, "miface" );
char *psz_mif = var_CreateGetString( p_this, "miface" );
if( psz_mif != NULL )
{
int intf = if_nametoindex( psz_mif );
......@@ -351,16 +306,14 @@ static int OpenUDP( vlc_object_t * p_this )
{
msg_Err( p_this, "%s as multicast interface: %s",
psz_mif, strerror(errno) );
close( i_handle );
return 0;
goto error;
}
}
else
{
msg_Err( p_this, "%s: bad IPv6 interface specification",
psz_mif );
close( i_handle );
return 0;
goto error;
}
}
}
......@@ -373,4 +326,8 @@ static int OpenUDP( vlc_object_t * p_this )
p_socket->i_mtu = val.i_int;
return 0;
error:
close (i_handle);
return VLC_EGENERIC;
}
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