/*****************************************************************************
* netutils.c: various network functions
*****************************************************************************
- * Copyright (C) 1999, 2000, 2001 VideoLAN
- * $Id: netutils.c,v 1.38 2001/10/03 02:20:39 tcastley Exp $
+ * Copyright (C) 1999-2001 VideoLAN
+ * $Id: netutils.c,v 1.73 2002/07/31 20:56:53 sam Exp $
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Benoit Steiner <benny@via.ecp.fr>
* Henri Fallon <henri@videolan.org>
- * Xavier Marchesini <xav@via.ecp.fr>
+ * Xavier Marchesini <xav@alarue.net>
+ * Christophe Massiot <massiot@via.ecp.fr>
+ * Samuel Hocevar <sam@via.ecp.fr>
*
* 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
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include "defs.h"
-
#include <stdlib.h> /* free(), realloc(), atoi() */
#include <errno.h> /* errno() */
#include <string.h> /* memset() */
+#include <vlc/vlc.h>
+
#ifdef HAVE_UNISTD_H
-#include <unistd.h> /* gethostname() */
+# include <unistd.h> /* gethostname() */
#elif defined( _MSC_VER ) && defined( _WIN32 )
-#include <io.h>
+# include <io.h>
#endif
#if !defined( _MSC_VER )
#include <sys/time.h> /* gettimeofday */
#endif
-#if !defined( WIN32 )
-#include <netdb.h> /* gethostbyname() */
-#include <netinet/in.h> /* BSD: struct in_addr */
-#include <sys/socket.h> /* BSD: struct sockaddr */
-#endif
-
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h> /* inet_ntoa(), inet_aton() */
+#ifdef WIN32
+# include <winsock2.h>
+#else
+# include <netdb.h> /* hostent ... */
+# include <sys/socket.h> /* BSD: struct sockaddr */
+# include <netinet/in.h> /* BSD: struct in_addr */
+# ifdef HAVE_ARPA_INET_H
+# include <arpa/inet.h> /* inet_ntoa(), inet_aton() */
+# endif
#endif
#ifdef SYS_LINUX
#endif
#if defined( WIN32 ) /* tools to get the MAC adress from */
-#include <windows.h> /* the interface under Windows */
+#include <windows.h> /* the interface under Windows */
#include <stdio.h>
+#include <nb30.h>
#endif
#ifdef HAVE_NET_IF_H
#include <sys/sockio.h>
#endif
-#include "config.h"
-#include "common.h"
-#include "mtime.h"
-#include "threads.h"
-#include "main.h"
-
-#include "intf_msg.h"
-
#include "netutils.h"
+#include "vlc_playlist.h"
+
+#include "network.h"
/*****************************************************************************
* input_channel_t: channel library data
* as it depends on the VideoLAN channel server, which isn't frozen for
* the time being.
*****************************************************************************/
-typedef struct input_channel_s
+struct input_channel_t
{
int i_channel; /* current channel number */
mtime_t last_change; /* last change date */
-} input_channel_t;
+};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static int GetMacAddress ( int i_socket, char *psz_mac );
+static int GetMacAddress ( vlc_object_t *, int i_fd, char *psz_mac );
#ifdef WIN32
static int GetAdapterInfo ( int i_adapter, char *psz_string );
#endif
-/*****************************************************************************
- * network_BuildLocalAddr : fill a sockaddr_in structure for local binding
- *****************************************************************************/
-int network_BuildLocalAddr( struct sockaddr_in * p_socket, int i_port,
- char * psz_broadcast )
-{
-
- char psz_hostname[INPUT_MAX_SOURCE_LENGTH];
- struct hostent * p_hostent;
-
-#if defined( SYS_BEOS )
- intf_ErrMsg( "error: channel changing is not yet supported under BeOS" );
- return( 1 );
-#endif
-
- /* Reset struct */
- memset( p_socket, 0, sizeof( struct sockaddr_in ) );
- p_socket->sin_family = AF_INET; /* family */
- p_socket->sin_port = htons( i_port );
- if( psz_broadcast == NULL )
- {
- /* Try to get our own IP */
- if( gethostname( psz_hostname, sizeof(psz_hostname) ) )
- {
- intf_ErrMsg( "BuildLocalAddr : unable to resolve local name : %s",
- strerror( errno ) );
- return( -1 );
- }
-
- }
- else
- {
- /* I didn't manage to make INADDR_ANYT work, even with setsockopt
- * so, as it's kludgy to try and determine the broadcast addr
- * it is passed as an argument in the command line */
- strncpy( psz_hostname, psz_broadcast, INPUT_MAX_SOURCE_LENGTH );
- }
-
- /* Try to convert address directly from in_addr - this will work if
- * psz_in_addr is dotted decimal. */
-#ifdef HAVE_ARPA_INET_H
- if( !inet_aton( psz_hostname, &p_socket->sin_addr) )
-#else
- if( (p_socket->sin_addr.s_addr = inet_addr( psz_hostname )) == -1 )
-#endif
- {
- /* We have a fqdn, try to find its address */
- if ( (p_hostent = gethostbyname( psz_hostname )) == NULL )
- {
- intf_ErrMsg( "BuildLocalAddr: unknown host %s", psz_hostname );
- return( -1 );
- }
-
- /* Copy the first address of the host in the socket address */
- memcpy( &p_socket->sin_addr, p_hostent->h_addr_list[0],
- p_hostent->h_length );
- }
- return( 0 );
-}
-
-/*****************************************************************************
- * network_BuildRemoteAddr : fill a sockaddr_in structure for remote host
- *****************************************************************************/
-int network_BuildRemoteAddr( struct sockaddr_in * p_socket, char * psz_server )
-{
-
- struct hostent * p_hostent;
-
-#if defined( SYS_BEOS )
- intf_ErrMsg( "error: channel changing is not yet supported under BeOS" );
- return( 1 );
-#endif
-
- /* Reset structure */
- memset( p_socket, 0, sizeof( struct sockaddr_in ) );
- p_socket->sin_family = AF_INET; /* family */
- p_socket->sin_port = htons( 0 ); /* This is for remote end */
-
- /* Try to convert address directly from in_addr - this will work if
- * psz_in_addr is dotted decimal. */
-
-#ifdef HAVE_ARPA_INET_H
- if( !inet_aton( psz_server, &p_socket->sin_addr) )
-#else
- if( (p_socket->sin_addr.s_addr = inet_addr( psz_server )) == -1 )
-#endif
- {
- /* We have a fqdn, try to find its address */
- if ( (p_hostent = gethostbyname(psz_server)) == NULL )
- {
- intf_ErrMsg( "BuildRemoteAddr: unknown host %s",
- psz_server );
- return( -1 );
- }
-
- /* Copy the first address of the host in the socket address */
- memcpy( &p_socket->sin_addr, p_hostent->h_addr_list[0],
- p_hostent->h_length );
- }
- return( 0 );
-}
-
/*****************************************************************************
* network_ChannelCreate: initialize global channel method data
*****************************************************************************
* once before any input thread is created or any call to other
* input_Channel*() function is attempted.
*****************************************************************************/
-int network_ChannelCreate( void )
+int __network_ChannelCreate( vlc_object_t *p_this )
{
-/* Even when BSD are supported, BeOS is not likely to be supported, so
- * I prefer to put it apart */
-#if defined( SYS_BEOS )
- intf_ErrMsg( "error: channel changing is not yet supported under BeOS" );
- return( 1 );
-
-#elif defined( SYS_LINUX ) || defined( WIN32 )
-/* FIXME : channels handling only work for linux */
+#if !defined( SYS_LINUX ) && !defined( WIN32 )
+ msg_Err( p_this, "VLAN-based channels are not supported "
+ "on this architecture" );
+#endif
+
/* Allocate structure */
- p_main->p_channel = malloc( sizeof( input_channel_t ) );
- if( p_main->p_channel == NULL )
+ p_this->p_vlc->p_channel = malloc( sizeof( input_channel_t ) );
+ if( p_this->p_vlc->p_channel == NULL )
{
- intf_ErrMsg( "network error: could not create channel bank" );
+ msg_Err( p_this, "out of memory" );
return( -1 );
}
/* Initialize structure */
- p_main->p_channel->i_channel = 0;
- p_main->p_channel->last_change = 0;
+ p_this->p_vlc->p_channel->i_channel = 0;
+ p_this->p_vlc->p_channel->last_change = 0;
- intf_Msg( "network: channels initialized" );
+ msg_Dbg( p_this, "channels initialized" );
return( 0 );
-
-#else
- intf_ErrMsg( "network error : channels not supported" );
- return( 1 );
-
-#endif
}
/*****************************************************************************
* already on the good channel, nothing will be done. Else, and if possible
* (if the interface is not locked), the channel server will be contacted
* and a change will be requested. The function will block until the change
- * is effective. Note that once a channel is no more used, it's interface
+ * is effective. Note that once a channel is no more used, its interface
* should be unlocked using input_ChannelLeave().
* Non 0 will be returned in case of error.
*****************************************************************************/
-int network_ChannelJoin( int i_channel )
+int __network_ChannelJoin( vlc_object_t *p_this, int i_channel )
{
-/* I still prefer to put BeOS a bit apart */
-#if defined( SYS_BEOS )
- intf_ErrMsg( "network error: channels are not yet supported under BeOS" );
- return( -1 );
-
-#elif defined( SYS_LINUX ) || defined( WIN32 )
- int i_socket;
- int i_fromlen;
- struct sockaddr_in sa_server;
- struct sockaddr_in sa_client;
- unsigned int i_version = 12;
- char psz_mess[ 80 ];
- char psz_mac[ 40 ];
- char i_mess_length = 80;
- unsigned long int i_date;
- struct timeval answer_delay;
- int i_nbanswer;
- char i_answer;
- fd_set fds;
- unsigned int i_rc;
- char * psz_channel_server;
-
- if( !main_GetIntVariable( INPUT_NETWORK_CHANNEL_VAR,
- INPUT_NETWORK_CHANNEL_DEFAULT ) )
+#define VLCS_VERSION 13
+#define MESSAGE_LENGTH 256
+
+ module_t * p_network;
+ char * psz_network = NULL;
+ network_socket_t socket_desc;
+ char psz_mess[ MESSAGE_LENGTH ];
+ char psz_mac[ 40 ];
+ int i_fd, i_port;
+ char *psz_vlcs;
+ struct timeval delay;
+ fd_set fds;
+
+ if( p_this->p_vlc->p_channel->i_channel == i_channel )
{
- intf_ErrMsg( "network: channels disabled, to enable them, use the"
- "--channels option" );
- return( -1 );
+ return 0;
}
- /* debug */
- intf_DbgMsg( "network: ChannelJoin : %d", i_channel );
- /* If last change is too recent, wait a while */
- if( mdate() - p_main->p_channel->last_change < INPUT_CHANNEL_CHANGE_DELAY )
+ if( !config_GetInt( p_this, "network-channel" ) )
{
- intf_WarnMsg( 2, "network: waiting before changing channel" );
- mwait( p_main->p_channel->last_change + INPUT_CHANNEL_CHANGE_DELAY );
+ msg_Err( p_this, "channels disabled, to enable them, use the"
+ " --channels option" );
+ return -1;
}
- p_main->p_channel->last_change = mdate();
- p_main->p_channel->i_channel = i_channel;
+ if( config_GetInt( p_this, "ipv4" ) )
+ {
+ psz_network = "ipv4";
+ }
+ if( config_GetInt( p_this, "ipv6" ) )
+ {
+ psz_network = "ipv6";
+ }
- intf_WarnMsg( 2, "network: joining channel %d", i_channel );
+ /* Getting information about the channel server */
+ if( !(psz_vlcs = config_GetPsz( p_this, "channel-server" )) )
+ {
+ msg_Err( p_this, "configuration variable channel-server empty" );
+ return -1;
+ }
- /*
- * Initializing the socket
- */
- i_socket = socket( AF_INET, SOCK_DGRAM, 0 );
+ i_port = config_GetInt( p_this, "channel-port" );
- /*
- * Getting the server's information
- */
- intf_WarnMsg( 6, "Channel server: %s port: %d",
- main_GetPszVariable( INPUT_CHANNEL_SERVER_VAR,
- INPUT_CHANNEL_SERVER_DEFAULT ),
- main_GetIntVariable( INPUT_CHANNEL_PORT_VAR,
- INPUT_CHANNEL_PORT_DEFAULT ) );
-
- memset( &sa_server, 0x00, sizeof(struct sockaddr_in) );
- sa_server.sin_family = AF_INET;
- sa_server.sin_port = htons( main_GetIntVariable( INPUT_CHANNEL_PORT_VAR,
- INPUT_CHANNEL_PORT_DEFAULT ) );
-
- psz_channel_server = strdup( main_GetPszVariable( INPUT_CHANNEL_SERVER_VAR,
- INPUT_CHANNEL_SERVER_DEFAULT ) );
-#ifdef HAVE_ARPA_INET_H
- inet_aton( psz_channel_server, &sa_server.sin_addr );
-#else
- sa_server.sin_addr.s_addr = inet_addr( psz_channel_server );
-#endif
- free( psz_channel_server );
+ msg_Dbg( p_this, "connecting to %s:%d", psz_vlcs, i_port );
- /*
- * Looking for the interface MAC address
- */
- if( GetMacAddress( i_socket, psz_mac ) )
+ /* Prepare the network_socket_t structure */
+ socket_desc.i_type = NETWORK_UDP;
+ socket_desc.psz_bind_addr = "";
+ socket_desc.i_bind_port = 4321;
+ socket_desc.psz_server_addr = psz_vlcs;
+ socket_desc.i_server_port = i_port;
+
+ /* Find an appropriate network module */
+ p_network = module_Need( p_this, "network", psz_network/*, &socket_desc*/ );
+ if( p_network == NULL )
{
- intf_ErrMsg( "network error: failed getting MAC address" );
return( -1 );
}
+ module_Unneed( p_this, p_network );
- /*
- * Getting date of the client in seconds
- */
- i_date = mdate() / 1000000;
- intf_DbgMsg( "vlcs: date %lu", i_date );
-
- /*
- * Build of the message
- */
- sprintf( psz_mess, "%d %u %lu %s \n",
- i_channel, i_version, i_date, psz_mac );
+ free( psz_vlcs ); /* Do we really need this ? -- Meuuh */
+ i_fd = socket_desc.i_handle;
- intf_DbgMsg( "vlcs: The message is %s", psz_mess );
-
- /*
- * Open the socket 2
- */
- memset( &sa_client, 0x00, sizeof(struct sockaddr_in) );
- sa_client.sin_family = AF_INET;
- sa_client.sin_port = htons(4312);
- sa_client.sin_addr.s_addr = INADDR_ANY;
- i_fromlen = sizeof( struct sockaddr );
- i_rc = bind( i_socket, (struct sockaddr *)(&sa_client),\
- sizeof(struct sockaddr) );
- if ( i_rc )
+ /* Look for the interface MAC address */
+ if( GetMacAddress( p_this, i_fd, psz_mac ) )
{
- intf_ErrMsg( "vlcs: Unable to bind socket:%u ", i_rc );
- /* TODO put CS_R_BIND in types.h*/
- /* return CS_R_SOCKET;*/
+ msg_Err( p_this, "failed getting MAC address" );
+ close( i_fd );
return -1;
}
- /*
- * Send the message
- */
- sendto( i_socket, psz_mess, i_mess_length, 0, \
- (struct sockaddr *)(&sa_server), \
- sizeof(struct sockaddr) );
+ msg_Dbg( p_this, "MAC address is %s", psz_mac );
- /*
- * Waiting 5 sec for one answer from the server
- */
- answer_delay.tv_sec = 5;
- answer_delay.tv_usec = 0;
- FD_ZERO( &fds );
- FD_SET( i_socket, &fds );
- i_nbanswer = select( i_socket + 1, &fds, NULL, NULL, &answer_delay );
+ /* Build the message */
+ sprintf( psz_mess, "%d %u %lu %s \n", i_channel, VLCS_VERSION,
+ (unsigned long)(mdate() / (u64)1000000),
+ psz_mac );
- switch( i_nbanswer )
- {
- case 0:
- intf_DbgMsg( "vlcs: no answer" );
- break;
+ /* Send the message */
+ send( i_fd, psz_mess, MESSAGE_LENGTH, 0 );
- case -1:
- intf_DbgMsg( "vlcs: unable to receive the answer ");
- break;
+ msg_Dbg( p_this, "attempting to join channel %d", i_channel );
- default:
- recvfrom( i_socket, &i_answer, sizeof(char), 0,\
- (struct sockaddr *)(&sa_client), &i_fromlen);
+ /* We have changed channels ! (or at least, we tried) */
+ p_this->p_vlc->p_channel->last_change = mdate();
+ p_this->p_vlc->p_channel->i_channel = i_channel;
- intf_DbgMsg( "vlcs: the answer : %i", i_answer );
+ /* Wait 5 sec for an answer from the server */
+ delay.tv_sec = 5;
+ delay.tv_usec = 0;
+ FD_ZERO( &fds );
+ FD_SET( i_fd, &fds );
- switch( i_answer )
- {
- case -1:
- intf_DbgMsg( "vlcs: the server failed to create the thread" );
- break;
- case 0:
- intf_DbgMsg( "vlcs: the server tries to change the channel" );
- break;
- default:
- intf_DbgMsg( "vlcs: unknown answer !" );
- break;
- }
- break;
+ switch( select( i_fd + 1, &fds, NULL, NULL, &delay ) )
+ {
+ case 0:
+ msg_Err( p_this, "no answer from vlcs" );
+ close( i_fd );
+ return -1;
+
+ case -1:
+ msg_Err( p_this, "error while listening to vlcs" );
+ close( i_fd );
+ return -1;
}
- /*
- * Close the socket
- */
- close( i_socket );
+ recv( i_fd, psz_mess, MESSAGE_LENGTH, 0 );
+ psz_mess[ MESSAGE_LENGTH - 1 ] = '\0';
- return( 0 );
+ if( !strncasecmp( psz_mess, "E:", 2 ) )
+ {
+ msg_Err( p_this, "vlcs said '%s'", psz_mess + 2 );
+ close( i_fd );
+ return -1;
+ }
+ else if( !strncasecmp( psz_mess, "I:", 2 ) )
+ {
+ msg_Dbg( p_this, "vlcs said '%s'", psz_mess + 2 );
+ }
+ else
+ {
+ /* We got something to play ! */
+ playlist_t *p_playlist;
+ p_playlist = vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
+ FIND_ANYWHERE );
+ if( p_playlist != NULL )
+ {
+ playlist_Add( p_playlist, psz_mess,
+ PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
+ vlc_object_release( p_playlist );
+ }
+ }
+ /* Close the socket and return nicely */
+#ifndef WIN32
+ close( i_fd );
#else
- intf_ErrMsg( "network error: channels not supported" );
- return( -1 );
-
+ closesocket( i_fd );
#endif
+
+ return 0;
}
/* Following functions are local */
/*****************************************************************************
* GetMacAddress: extract the MAC Address
*****************************************************************************/
-static int GetMacAddress( int i_socket, char *psz_mac )
+static int GetMacAddress( vlc_object_t *p_this, int i_fd, char *psz_mac )
{
#if defined( SYS_LINUX )
struct ifreq interface;
int i_ret;
+ char *psz_interface;
/*
* Looking for information about the eth0 interface
*/
interface.ifr_addr.sa_family = AF_INET;
- strcpy( interface.ifr_name, INPUT_IFACE_DEFAULT );
+ if( !(psz_interface = config_GetPsz( p_this, "iface" )) )
+ {
+ msg_Err( p_this, "configuration variable iface empty" );
+ return -1;
+ }
+ strcpy( interface.ifr_name, psz_interface );
+ free( psz_interface );
- i_ret = ioctl( i_socket, SIOCGIFHWADDR, &interface );
+ i_ret = ioctl( i_fd, SIOCGIFHWADDR, &interface );
if( i_ret )
{
- intf_ErrMsg( "network error: ioctl SIOCGIFHWADDR failed" );
+ msg_Err( p_this, "ioctl SIOCGIFHWADDR failed" );
return( i_ret );
}
LANA_ENUM AdapterList;
NCB Ncb;
- intf_WarnMsg( 2, "network: looking for MAC address" );
+ msg_Dbg( p_this, "looking for MAC address" );
memset( &Ncb, 0, sizeof( NCB ) );
Ncb.ncb_command = NCBENUM;
{
if ( GetAdapterInfo ( AdapterList.lana[ i ], psz_mac ) == 0 )
{
- i_ret = 0;
+ i_ret = 0;
}
}
return( i_ret );
#else
- return( -1);
+ strcpy( psz_mac, "00:00:00:00:00:00" );
+ return( 0 );
#endif
}
if( Netbios( &Ncb ) != NRC_GOODRET )
{
- intf_ErrMsg( "network error: reset returned %i", Ncb.ncb_retcode );
+//X intf_ErrMsg( "network error: reset returned %i", Ncb.ncb_retcode );
return -1;
}
(int) ( Adapter.adapt.adapter_address[4] ),
(int) ( Adapter.adapt.adapter_address[5] ) );
- intf_WarnMsg( 2, "network: found MAC address %s", psz_string );
+//X intf_WarnMsg( 2, "network: found MAC address %s", psz_string );
return 0;
}
else
{
- intf_ErrMsg( "network error: ASTAT returned %i", Ncb.ncb_retcode );
+//X intf_ErrMsg( "network error: ASTAT returned %i", Ncb.ncb_retcode );
return -1;
}
}
projects / vlc / blobdiff