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videolan
vlc-1.1
Commits
28c2a1ce
Commit
28c2a1ce
authored
Nov 24, 2006
by
Rémi Denis-Courmont
Browse files
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Plain Diff
Remove some dead code
parent
7a689266
Changes
5
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Showing
5 changed files
with
9 additions
and
752 deletions
+9
-752
configure.ac
configure.ac
+9
-26
include/network.h
include/network.h
+0
-19
modules/misc/network/Modules.am
modules/misc/network/Modules.am
+0
-2
modules/misc/network/ipv4.c
modules/misc/network/ipv4.c
+0
-372
modules/misc/network/ipv6.c
modules/misc/network/ipv6.c
+0
-333
No files found.
configure.ac
View file @
28c2a1ce
...
...
@@ -214,14 +214,14 @@ case "${host_os}" in
CPPFLAGS_save="${CPPFLAGS_save} -D_OFF_T_ -D_off_t=long"; CPPFLAGS="${CPPFLAGS_save}"
VLC_ADD_LDFLAGS([vlc],[-lws2_32 -lnetapi32 -lwinmm -mwindows])
VLC_ADD_LDFLAGS([cdda vcdx cddax],[-lwinmm])
VLC_ADD_LDFLAGS([
ipv4 ipv6
access_http access_mms access_udp access_tcp access_ftp access_output_udp sap slp http stream_out_standard stream_out_rtp vod_rtsp telnet netsync growl],[-lws2_32])
VLC_ADD_LDFLAGS([access_http access_mms access_udp access_tcp access_ftp access_output_udp sap slp http stream_out_standard stream_out_rtp vod_rtsp telnet netsync growl],[-lws2_32])
fi
if test "${SYS}" = "mingwce"; then
# add ws2 for closesocket, select, recv
CPPFLAGS_save="${CPPFLAGS_save} -D_OFF_T_ -D_off_t=long"; CPPFLAGS="${CPPFLAGS_save}"
VLC_ADD_CPPFLAGS([vlc],[-Dmain(a,b)=maince(a,b)])
VLC_ADD_LDFLAGS([vlc],[-lws2 -e WinMainCRTStartup])
VLC_ADD_LDFLAGS([
ipv4 ipv6
access_http access_mms access_udp access_tcp access_ftp access_output_udp sap http netsync],[-lws2])
VLC_ADD_LDFLAGS([access_http access_mms access_udp access_tcp access_ftp access_output_udp sap http netsync],[-lws2])
fi
;;
*nto*)
...
...
@@ -249,9 +249,9 @@ case "${host_os}" in
LDFLAGS_save="${LDFLAGS_save} -lintl"; LDFLAGS="${LDFLAGS_save}"
dnl Check for BONE
if test -f /boot/beos/system/lib/libbind.so; then
VLC_ADD_LDFLAGS([access_file access_ftp access_mms access_output_udp telnet netsync sap
ipv4
vlc growl],[-lbind -lsocket])
VLC_ADD_LDFLAGS([access_file access_ftp access_mms access_output_udp telnet netsync sap vlc growl],[-lbind -lsocket])
else
VLC_ADD_LDFLAGS([access_file access_ftp access_mms access_output_udp telnet netsync sap
ipv4
vlc growl],[-lnet])
VLC_ADD_LDFLAGS([access_file access_ftp access_mms access_output_udp telnet netsync sap vlc growl],[-lnet])
fi
dnl Ugly check for Zeta
...
...
@@ -444,7 +444,7 @@ fi
AC_CHECK_FUNCS(connect,,[
AC_CHECK_LIB(socket,connect,[
VLC_ADD_LDFLAGS([vlc
ipv4 ipv6
cdda cddax],-lsocket)
VLC_ADD_LDFLAGS([vlc cdda cddax],-lsocket)
LIBS_socket="-lsocket"
])
])
...
...
@@ -457,10 +457,10 @@ AC_CHECK_FUNCS(send,,[
AC_CHECK_FUNCS(gethostbyname,,[
AC_CHECK_LIB(nsl,gethostbyname,[
VLC_ADD_LDFLAGS([cdda cddax
ipv4 ipv6
vlc],[-lnsl])
VLC_ADD_LDFLAGS([cdda cddax vlc],[-lnsl])
],[
AC_CHECK_LIB(bind,gethostbyname,[
VLC_ADD_LDFLAGS([
ipv4
access_mms],[-lbind])
VLC_ADD_LDFLAGS([access_mms],[-lbind])
])
])
])
...
...
@@ -545,7 +545,7 @@ fi
AC_CHECK_FUNCS(inet_aton,,[
AC_CHECK_LIB(resolv,inet_aton,[
VLC_ADD_LDFLAGS([
ipv4
vlc],[-lresolv])
VLC_ADD_LDFLAGS([vlc],[-lresolv])
])
])
...
...
@@ -1115,7 +1115,7 @@ VLC_ADD_PLUGINS([playlist export sgimb nsc xtag])
VLC_ADD_PLUGINS([i420_rgb rawvideo blend scale image logo magnify puzzle colorthres])
VLC_ADD_PLUGINS([wav araw subtitle vobsub adpcm a52sys dtssys au ty voc xa nuv])
VLC_ADD_PLUGINS([access_directory access_file access_udp access_tcp])
VLC_ADD_PLUGINS([access_http access_mms access_ftp
ipv4
])
VLC_ADD_PLUGINS([access_http access_mms access_ftp])
VLC_ADD_PLUGINS([packetizer_mpegvideo packetizer_h264])
VLC_ADD_PLUGINS([packetizer_mpeg4video packetizer_mpeg4audio])
...
...
@@ -2334,22 +2334,6 @@ AC_CHECK_FUNCS(inet_pton,[have_ipv6=yes],[
AS_IF([test "${have_ipv6}" = "yes"], [
AC_DEFINE(HAVE_INET_PTON, 1, [Define to 1 if you have inet_pton().])])
if test "${SYS}" != "nto" &&
test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
then
AC_MSG_CHECKING(for sockaddr_in6 in netinet/in.h)
AC_EGREP_HEADER(sockaddr_in6,netinet/in.h,
[AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no); have_ipv6=no])
AS_IF([test "${have_ipv6}" != "no"], [
VLC_ADD_PLUGINS([ipv6])])
fi
if test "${SYS}" = "mingw32"
then
AC_MSG_CHECKING(for getaddrinfo in ws2tcpip.h)
AC_EGREP_HEADER(addrinfo,ws2tcpip.h,[AC_MSG_RESULT(yes)
VLC_ADD_PLUGINS([ipv6])],[AC_MSG_RESULT(no)])
fi
dnl
dnl ogg demux plugin
dnl
...
...
@@ -5653,7 +5637,6 @@ AC_CONFIG_FILES([
modules/misc/Makefile
modules/misc/dummy/Makefile
modules/misc/memcpy/Makefile
modules/misc/network/Makefile
modules/misc/notify/Makefile
modules/misc/testsuite/Makefile
modules/misc/playlist/Makefile
...
...
include/network.h
View file @
28c2a1ce
...
...
@@ -62,25 +62,6 @@ extern const char *net_strerror( int val );
extern
"C"
{
# endif
/*****************************************************************************
* network_socket_t: structure passed to a network plug-in to define the
* kind of socket we want
*****************************************************************************/
struct
network_socket_t
{
const
char
*
psz_bind_addr
;
int
i_bind_port
;
const
char
*
psz_server_addr
;
int
i_server_port
;
int
i_ttl
;
/* Return values */
int
i_handle
;
size_t
i_mtu
;
};
/* Portable networking layer communication */
int
net_Socket
(
vlc_object_t
*
obj
,
int
family
,
int
socktype
,
int
proto
);
...
...
modules/misc/network/Modules.am
deleted
100644 → 0
View file @
7a689266
SOURCES_ipv4 = ipv4.c
SOURCES_ipv6 = ipv6.c
modules/misc/network/ipv4.c
deleted
100644 → 0
View file @
7a689266
/*****************************************************************************
* ipv4.c: IPv4 network abstraction layer
*****************************************************************************
* Copyright (C) 2001-2006 the VideoLAN team
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Mathias Kretschmer <mathias@research.att.com>
* Alexis de Lattre <alexis@via.ecp.fr>
* Rémi Denis-Courmont <rem # videolan.org>
*
* 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h>
#include <string.h>
#include <vlc/vlc.h>
#include <errno.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#if defined(WIN32) || defined(UNDER_CE)
# if defined(UNDER_CE) && defined(sockaddr_storage)
# undef sockaddr_storage
# endif
# include <winsock2.h>
# include <ws2tcpip.h>
# include <iphlpapi.h>
# define close closesocket
# if defined(UNDER_CE)
# undef IP_MULTICAST_TTL
# define IP_MULTICAST_TTL 3
# undef IP_ADD_MEMBERSHIP
# define IP_ADD_MEMBERSHIP 5
# endif
#else
# include <netdb.h>
/* hostent ... */
# include <sys/socket.h>
# include <netinet/in.h>
# ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
/* inet_ntoa(), inet_aton() */
# endif
#endif
#include "network.h"
#ifndef INADDR_ANY
# define INADDR_ANY 0x00000000
#endif
#ifndef INADDR_NONE
# define INADDR_NONE 0xFFFFFFFF
#endif
#ifndef IN_MULTICAST
# define IN_MULTICAST(a) IN_CLASSD(a)
#endif
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static
int
OpenUDP
(
vlc_object_t
*
);
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin
();
set_shortname
(
"IPv4"
);
set_description
(
_
(
"UDP/IPv4 network abstraction layer"
)
);
set_capability
(
"network"
,
50
);
set_category
(
CAT_INPUT
);
set_subcategory
(
SUBCAT_INPUT_GENERAL
);
set_callbacks
(
OpenUDP
,
NULL
);
vlc_module_end
();
/*****************************************************************************
* BuildAddr: utility function to build a struct sockaddr_in
*****************************************************************************/
static
int
BuildAddr
(
vlc_object_t
*
p_obj
,
struct
sockaddr_in
*
p_socket
,
const
char
*
psz_address
,
int
i_port
)
{
struct
addrinfo
hints
,
*
res
;
int
i_val
;
memset
(
&
hints
,
0
,
sizeof
(
hints
)
);
hints
.
ai_family
=
AF_INET
;
hints
.
ai_socktype
=
SOCK_DGRAM
;
hints
.
ai_flags
=
AI_PASSIVE
;
msg_Dbg
(
p_obj
,
"resolving %s:%d..."
,
psz_address
,
i_port
);
i_val
=
vlc_getaddrinfo
(
p_obj
,
psz_address
,
i_port
,
&
hints
,
&
res
);
if
(
i_val
)
{
msg_Warn
(
p_obj
,
"%s: %s"
,
psz_address
,
vlc_gai_strerror
(
i_val
)
);
return
-
1
;
}
/* Copy the first address of the host in the socket address */
memcpy
(
p_socket
,
res
->
ai_addr
,
sizeof
(
*
p_socket
)
);
vlc_freeaddrinfo
(
res
);
return
(
0
);
}
#if defined(WIN32) || defined(UNDER_CE)
# define WINSOCK_STRERROR_SIZE 20
static
const
char
*
winsock_strerror
(
char
*
buf
)
{
snprintf
(
buf
,
WINSOCK_STRERROR_SIZE
,
"Winsock error %d"
,
WSAGetLastError
(
)
);
buf
[
WINSOCK_STRERROR_SIZE
-
1
]
=
'\0'
;
return
buf
;
}
#endif
/*****************************************************************************
* OpenUDP: open a UDP socket
*****************************************************************************
* psz_bind_addr, i_bind_port : address and port used for the bind()
* system call. If psz_bind_addr == "", the socket is bound to
* INADDR_ANY and broadcast reception is enabled. If psz_bind_addr is a
* multicast (class D) address, join the multicast group.
* psz_server_addr, i_server_port : address and port used for the connect()
* system call. It can avoid receiving packets from unauthorized IPs.
* Its use leads to great confusion and is currently discouraged.
* This function returns -1 in case of error.
*****************************************************************************/
static
int
OpenUDP
(
vlc_object_t
*
p_this
)
{
network_socket_t
*
p_socket
=
p_this
->
p_private
;
const
char
*
psz_bind_addr
=
p_socket
->
psz_bind_addr
;
int
i_bind_port
=
p_socket
->
i_bind_port
;
const
char
*
psz_server_addr
=
p_socket
->
psz_server_addr
;
int
i_server_port
=
p_socket
->
i_server_port
;
int
i_handle
,
i_opt
;
struct
sockaddr_in
sock
;
vlc_value_t
val
;
#if defined(WIN32) || defined(UNDER_CE)
char
strerror_buf
[
WINSOCK_STRERROR_SIZE
];
# define strerror( x ) winsock_strerror( strerror_buf )
#endif
p_socket
->
i_handle
=
-
1
;
/* Build the local socket */
if
(
BuildAddr
(
p_this
,
&
sock
,
psz_bind_addr
,
i_bind_port
)
==
-
1
)
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
VLC_EGENERIC
;
}
/* We may want to reuse an already used socket */
i_opt
=
1
;
setsockopt
(
i_handle
,
SOL_SOCKET
,
SO_REUSEADDR
,
(
void
*
)
&
i_opt
,
sizeof
(
i_opt
)
);
#ifdef SO_REUSEPORT
i_opt
=
1
;
setsockopt
(
i_handle
,
SOL_SOCKET
,
SO_REUSEPORT
,
(
void
*
)
&
i_opt
,
sizeof
(
i_opt
)
);
#endif
/* Increase the receive buffer size to 1/2MB (8Mb/s during 1/2s) to avoid
* packet loss caused by scheduling problems */
#ifdef SO_RCVBUF
i_opt
=
0x80000
;
if
(
setsockopt
(
i_handle
,
SOL_SOCKET
,
SO_RCVBUF
,
(
void
*
)
&
i_opt
,
sizeof
(
i_opt
)
)
==
-
1
)
msg_Dbg
(
p_this
,
"cannot configure socket (SO_RCVBUF: %s)"
,
strerror
(
errno
));
i_opt
=
0x80000
;
if
(
setsockopt
(
i_handle
,
SOL_SOCKET
,
SO_SNDBUF
,
(
void
*
)
&
i_opt
,
sizeof
(
i_opt
)
)
==
-
1
)
msg_Dbg
(
p_this
,
"cannot configure socket (SO_SNDBUF: %s)"
,
strerror
(
errno
));
#endif
#if defined( WIN32 ) || defined( UNDER_CE )
/*
* Under Win32 and for multicasting, we bind to INADDR_ANY.
* This is of course a severe bug, since the socket would logically
* receive unicast traffic, and multicast traffic of groups subscribed
* to via other sockets. How this actually works in Winsock, I don't
* know.
*/
if
(
IN_MULTICAST
(
ntohl
(
sock
.
sin_addr
.
s_addr
)
)
)
{
struct
sockaddr_in
stupid
=
sock
;
stupid
.
sin_addr
.
s_addr
=
INADDR_ANY
;
if
(
bind
(
i_handle
,
(
struct
sockaddr
*
)
&
stupid
,
sizeof
(
stupid
)
)
<
0
)
{
msg_Err
(
p_this
,
"cannot bind socket (%d)"
,
WSAGetLastError
()
);
goto
error
;
}
}
else
#endif
/* Bind it */
if
(
bind
(
i_handle
,
(
struct
sockaddr
*
)
&
sock
,
sizeof
(
sock
)
)
<
0
)
{
msg_Err
(
p_this
,
"cannot bind socket (%s)"
,
strerror
(
errno
)
);
goto
error
;
}
#if !defined( SYS_BEOS )
/* Allow broadcast reception if we bound on INADDR_ANY */
if
(
!*
psz_bind_addr
)
{
i_opt
=
1
;
if
(
setsockopt
(
i_handle
,
SOL_SOCKET
,
SO_BROADCAST
,
(
void
*
)
&
i_opt
,
sizeof
(
i_opt
)
)
==
-
1
)
msg_Warn
(
p_this
,
"cannot configure socket (SO_BROADCAST: %s)"
,
strerror
(
errno
)
);
}
#endif
#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"
);
/* 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 */
struct
ip_mreq_source
imr
=
{
.
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
;
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
,
(
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
{
/* Build socket for remote connection */
if
(
BuildAddr
(
p_this
,
&
sock
,
psz_server_addr
,
i_server_port
)
==
-
1
)
{
msg_Err
(
p_this
,
"cannot build remote address"
);
goto
error
;
}
/* Connect the socket */
if
(
connect
(
i_handle
,
(
struct
sockaddr
*
)
&
sock
,
sizeof
(
sock
)
)
==
(
-
1
)
)
{
msg_Err
(
p_this
,
"cannot connect socket (%s)"
,
strerror
(
errno
)
);
goto
error
;
}
#ifdef IP_MULTICAST_IF
if
(
IN_MULTICAST
(
ntohl
(
inet_addr
(
psz_server_addr
)
)
)
)
{
/* set the time-to-live */
int
i_ttl
=
p_socket
->
i_ttl
;
/* set the multicast interface */
char
*
psz_mif_addr
=
config_GetPsz
(
p_this
,
"miface-addr"
);
if
(
psz_mif_addr
)
{
struct
in_addr
intf
;
intf
.
s_addr
=
inet_addr
(
psz_mif_addr
);
free
(
psz_mif_addr
);
if
(
setsockopt
(
i_handle
,
IPPROTO_IP
,
IP_MULTICAST_IF
,
&
intf
,
sizeof
(
intf
)
)
<
0
)
{
msg_Err
(
p_this
,
"failed to set multicast interface (%s)."
,
strerror
(
errno
)
);
goto
error
;
}
}
if
(
i_ttl
<=
0
)
i_ttl
=
config_GetInt
(
p_this
,
"ttl"
);
if
(
i_ttl
>
0
)
{
unsigned
char
ttl
=
(
unsigned
char
)
i_ttl
;
/* There is some confusion in the world whether IP_MULTICAST_TTL
* takes a byte or an int as an argument.
* BSD seems to indicate byte so we are going with that and use
* int as a fallback to be safe */
if
(
setsockopt
(
i_handle
,
IPPROTO_IP
,
IP_MULTICAST_TTL
,
&
ttl
,
sizeof
(
ttl
)
)
<
0
)
{
msg_Dbg
(
p_this
,
"failed to set ttl (%s). Let's try it "
"the integer way."
,
strerror
(
errno
)
);
if
(
setsockopt
(
i_handle
,
IPPROTO_IP
,
IP_MULTICAST_TTL
,
&
i_ttl
,
sizeof
(
i_ttl
)
)
<
0
)
{
msg_Err
(
p_this
,
"failed to set ttl (%s)"
,
strerror
(
errno
)
);
goto
error
;
}
}
}
}
#endif
}
p_socket
->
i_handle
=
i_handle
;
if
(
var_Get
(
p_this
,
"mtu"
,
&
val
)
!=
VLC_SUCCESS
)
{
var_Create
(
p_this
,
"mtu"
,
VLC_VAR_INTEGER
|
VLC_VAR_DOINHERIT
);
var_Get
(
p_this
,
"mtu"
,
&
val
);
}
p_socket
->
i_mtu
=
val
.
i_int
;
return
0
;
error:
close
(
i_handle
);
return
VLC_EGENERIC
;
}
modules/misc/network/ipv6.c
deleted
100644 → 0
View file @
7a689266
/*****************************************************************************
* ipv6.c: IPv6 network abstraction layer
*****************************************************************************
* Copyright (C) 2002-2006 the VideoLAN team
* $Id$
*
* Authors: Alexis Guillard <alexis.guillard@bt.com>
* Christophe Massiot <massiot@via.ecp.fr>
* Remco Poortinga <poortinga@telin.nl>
* Rémi Denis-Courmont <rem # videolan.org>
*
* 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h>
#include <string.h>
#include <vlc/vlc.h>
#include <errno.h>
#ifdef WIN32
# include <winsock2.h>
# include <ws2tcpip.h>
# define if_nametoindex( str ) atoi( str )
static
const
struct
in6_addr
in6addr_any
=
{{
IN6ADDR_ANY_INIT
}};
# define close closesocket
# ifndef MCAST_JOIN_SOURCE_GROUP
/*
* I hate manual definitions: Error-prone. Portability hell.
* Developers shall use UP-TO-DATE compilers. Full point.
* If you remove the warning, you remove the whole ifndef.
*/
# warning Your C headers are out-of-date. Please update.
/* Most (all?) Mingw32 versions in use are yet to pick up Vista stuff */
# define MCAST_JOIN_SOURCE_GROUP 45
/* from <ws2ipdef.h> */
struct
group_source_req
{
uint32_t
gsr_interface
;
/* interface index */
struct
sockaddr_storage
gsr_group
;
/* group address */
struct
sockaddr_storage
gsr_source
;
/* source address */
};
# endif
# ifndef IPV6_PROTECTION_LEVEL
# warning Your C headers are out-of-date. Please update.
# endif
#else
# include <sys/types.h>
# include <unistd.h>
# include <netdb.h>
/* hostent ... */
# include <sys/socket.h>
# include <netinet/in.h>
# include <net/if.h>
#endif
#include "network.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static
int
OpenUDP
(
vlc_object_t
*
);
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin
();
set_description
(
_
(
"UDP/IPv6 network abstraction layer"
)
);
set_capability
(
"network"
,
40
);
set_callbacks
(
OpenUDP
,
NULL
);
vlc_module_end
();
/*****************************************************************************
* BuildAddr: utility function to build a struct sockaddr_in6
*****************************************************************************/
static
int
BuildAddr
(
vlc_object_t
*
p_this
,
struct
sockaddr_in6
*
p_socket
,
const
char
*
psz_address
,
int
i_port
)
{
struct
addrinfo
hints
,
*
res
;
int
i
;
memset
(
&
hints
,
0
,
sizeof
(
hints
)
);
hints
.
ai_family
=
AF_INET6
;
hints
.
ai_socktype
=
SOCK_DGRAM
;
hints
.
ai_flags
=
AI_PASSIVE
;
i
=
vlc_getaddrinfo
(
p_this
,
psz_address
,
0
,
&
hints
,
&
res
);
if
(
i
)
{
msg_Dbg
(
p_this
,
"%s: %s"
,
psz_address
,
vlc_gai_strerror
(
i
)
);
return
-
1
;
}
if
(
res
->
ai_addrlen
>
sizeof
(
struct
sockaddr_in6
)
)
{
vlc_freeaddrinfo
(
res
);
return
-
1
;
}
memcpy
(
p_socket
,
res
->
ai_addr
,
res
->
ai_addrlen
);
vlc_freeaddrinfo
(
res
);
p_socket
->
sin6_port
=
htons
(
i_port
);
return
0
;
}
#if defined(WIN32) || defined(UNDER_CE)
# define WINSOCK_STRERROR_SIZE 20
static
const
char
*
winsock_strerror
(
char
*
buf
)
{
snprintf
(
buf
,
WINSOCK_STRERROR_SIZE
,
"Winsock error %d"
,
WSAGetLastError
(
)
);
buf
[
WINSOCK_STRERROR_SIZE
-
1
]
=
'\0'
;
return
buf
;
}
#endif
/*****************************************************************************
* OpenUDP: open a UDP socket
*****************************************************************************
* psz_bind_addr, i_bind_port : address and port used for the bind()
* system call. If psz_bind_addr == NULL, the socket is bound to
* in6addr_any and broadcast reception is enabled. If psz_bind_addr is a
* multicast (FF00::/8) address, join the multicast group.
* psz_server_addr, i_server_port : address and port used for the connect()
* system call. It can avoid receiving packets from unauthorized IPs.
* Its use leads to great confusion and is currently discouraged.
* This function returns -1 in case of error.
*****************************************************************************/
static
int
OpenUDP
(
vlc_object_t
*
p_this
)
{
network_socket_t
*
p_socket
=
p_this
->
p_private
;
const
char
*
psz_bind_addr
=
p_socket
->
psz_bind_addr
;
int
i_bind_port
=
p_socket
->
i_bind_port
;
const
char
*
psz_server_addr
=
p_socket
->
psz_server_addr
;
int
i_server_port
=
p_socket
->
i_server_port
;
int
i_handle
,
i_opt
;
struct
sockaddr_in6
sock
;
vlc_value_t
val
;
#if defined(WIN32) || defined(UNDER_CE)
char
strerror_buf
[
WINSOCK_STRERROR_SIZE
];
# define strerror( x ) winsock_strerror( strerror_buf )
#endif
p_socket
->
i_handle
=
-
1
;
/* Build the local socket */
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_Err
(
p_this
,
"cannot create socket (%s)"
,
strerror
(
errno
)
);
return
VLC_EGENERIC
;
}
#ifdef IPV6_PROTECTION_LEVEL
setsockopt
(
i_handle
,
IPPROTO_IPV6
,
IPV6_PROTECTION_LEVEL
,
&
(
int
){
PROTECTION_LEVEL_UNRESTRICTED
},
sizeof
(
int
));
#endif
/* We may want to reuse an already used socket */
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 */
i_opt
=
0x80000
;
if
(
setsockopt
(
i_handle
,
SOL_SOCKET
,
SO_RCVBUF
,
(
void
*
)
&
i_opt
,
sizeof
(
i_opt
)
)
==
-
1
)
{
msg_Warn
(
p_this
,
"cannot configure socket (SO_RCVBUF: %s)"
,
strerror
(
errno
)
);
}
#if defined(WIN32)
/* Under Win32 and for multicasting, we bind to IN6ADDR_ANY */
if
(
IN6_IS_ADDR_MULTICAST
(
&
sock
.
sin6_addr
)
)
{
struct
sockaddr_in6
sockany
=
sock
;
sockany
.
sin6_addr
=
in6addr_any
;
sockany
.
sin6_scope_id
=
0
;
/* Bind it */
if
(
bind
(
i_handle
,
(
struct
sockaddr
*
)
&
sockany
,
sizeof
(
sock
)
)
<
0
)
{
msg_Warn
(
p_this
,
"cannot bind socket (%s)"
,
strerror
(
errno
)
);
goto
error
;
}
}
else
#endif
/* Bind it */
if
(
bind
(
i_handle
,
(
struct
sockaddr
*
)
&
sock
,
sizeof
(
sock
)
)
<
0
)
{
msg_Warn
(
p_this
,
"cannot bind socket (%s)"
,
strerror
(
errno
)
);
goto
error
;
}
/* Join the multicast group if the socket is a multicast address */
if
(
IN6_IS_ADDR_MULTICAST
(
&
sock
.
sin6_addr
)
)
{
#ifndef MCAST_JOIN_SOURCE_GROUP
errno
=
ENOSYS
;
#else
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
);
if
(
BuildAddr
(
p_this
,
&
sock
,
psz_server_addr
,
i_server_port
)
)
{
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
;
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
{
msg_Err
(
p_this
,
"Source specific multicast failed (%s) -"
" check if your OS really supports MLDv2"
,
strerror
(
errno
)
);
goto
error
;
}
}
else
{
int
ttl
;
/* 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"
);
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
)
);
goto
error
;
}
/* Set the time-to-live */
ttl
=
p_socket
->
i_ttl
;
if
(
ttl
<=
0
)
ttl
=
var_CreateGetInteger
(
p_this
,
"ttl"
);
if
(
ttl
>=
0
)
{
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
)
);
goto
error
;
}
}
/* Set multicast output interface */
if
(
IN6_IS_ADDR_MULTICAST
(
&
sock
.
sin6_addr
)
)
{
char
*
psz_mif
=
var_CreateGetString
(
p_this
,
"miface"
);
if
(
psz_mif
!=
NULL
)
{
int
intf
=
if_nametoindex
(
psz_mif
);
free
(
psz_mif
);
if
(
intf
!=
0
)
{
if
(
setsockopt
(
i_handle
,
IPPROTO_IPV6
,
IPV6_MULTICAST_IF
,
(
void
*
)
&
intf
,
sizeof
(
intf
)
)
<
0
)
{
msg_Err
(
p_this
,
"%s as multicast interface: %s"
,
psz_mif
,
strerror
(
errno
)
);
goto
error
;
}
}
else
{
msg_Err
(
p_this
,
"%s: bad IPv6 interface specification"
,
psz_mif
);
goto
error
;
}
}
}
}
p_socket
->
i_handle
=
i_handle
;
var_Create
(
p_this
,
"mtu"
,
VLC_VAR_INTEGER
|
VLC_VAR_DOINHERIT
);
var_Get
(
p_this
,
"mtu"
,
&
val
);
p_socket
->
i_mtu
=
val
.
i_int
;
return
0
;
error:
close
(
i_handle
);
return
VLC_EGENERIC
;
}
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