/***************************************************************************** * hal.c :  HAL interface module ***************************************************************************** * Copyright (C) 2004 the VideoLAN team * $Id: hal.c 17886 2006-11-20 04:01:08Z funman $ * * Authors: Clément Stenac <zorglub@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. *****************************************************************************//***************************************************************************** * Includes *****************************************************************************/#include <stdlib.h>                                      /* malloc(), free() */#include <vlc/vlc.h>#include <vlc/intf.h>#include <vlc/input.h>#include "network.h"#include <errno.h>                                                 /* ENOMEM */#ifdef HAVE_UNISTD_H#    include <unistd.h>#endif#ifdef HAVE_SYS_TIME_H#    include <sys/time.h>#endif#include <hal/libhal.h>/************************************************************************ * Macros and definitions ************************************************************************/#define MAX_LINE_LENGTH 256/***************************************************************************** * Module descriptor *****************************************************************************//* Callbacks */    static int  Open ( vlc_object_t * );    static void Close( vlc_object_t * );vlc_module_begin();    set_description( _("HAL devices detection") );    set_category( CAT_PLAYLIST );    set_subcategory( SUBCAT_PLAYLIST_SD );    set_capability( "services_discovery", 0 );    set_callbacks( Open, Close );vlc_module_end();/***************************************************************************** * Local structures *****************************************************************************/struct services_discovery_sys_t{    LibHalContext *p_ctx;    /* playlist node */    playlist_item_t *p_node;};/***************************************************************************** * Local prototypes *****************************************************************************//* Main functions */    static void Run    ( services_discovery_t *p_intf );/***************************************************************************** * Open: initialize and create stuff *****************************************************************************/static int Open( vlc_object_t *p_this ){    services_discovery_t *p_sd = ( services_discovery_t* )p_this;    services_discovery_sys_t *p_sys  = malloc(                                    sizeof( services_discovery_sys_t ) );    vlc_value_t         val;    playlist_t          *p_playlist;    playlist_view_t     *p_view;    DBusError           dbus_error;    DBusConnection      *p_connection;    p_sd->pf_run = Run;    p_sd->p_sys  = p_sys;    dbus_error_init( &dbus_error );#ifdef HAVE_HAL_1    p_sys->p_ctx = libhal_ctx_new();    if( !p_sys->p_ctx )    {        msg_Err( p_sd, "unable to create HAL context") ;        free( p_sys );        return VLC_EGENERIC;    }    p_connection = dbus_bus_get( DBUS_BUS_SYSTEM, &dbus_error );    if( dbus_error_is_set( &dbus_error ) )    {        msg_Err( p_sd, "unable to connect to DBUS: %s", dbus_error.message );        dbus_error_free( &dbus_error );        free( p_sys );        return VLC_EGENERIC;    }    libhal_ctx_set_dbus_connection( p_sys->p_ctx, p_connection );    if( !libhal_ctx_init( p_sys->p_ctx, &dbus_error ) )#else    if( !(p_sys->p_ctx = hal_initialize( NULL, FALSE ) ) )#endif    {        msg_Err( p_sd, "hal not available : %s", dbus_error.message );        dbus_error_free( &dbus_error );        free( p_sys );        return VLC_EGENERIC;    }    /* Create our playlist node */    p_playlist = (playlist_t *)vlc_object_find( p_sd, VLC_OBJECT_PLAYLIST,                                                FIND_ANYWHERE );    if( !p_playlist )    {        msg_Warn( p_sd, "unable to find playlist, cancelling HAL listening");        return VLC_EGENERIC;    }    p_view = playlist_ViewFind( p_playlist, VIEW_CATEGORY );    p_sys->p_node = playlist_NodeCreate( p_playlist, VIEW_CATEGORY,                                         _("Devices"), p_view->p_root );    p_sys->p_node->i_flags |= PLAYLIST_RO_FLAG;    val.b_bool = VLC_TRUE;    var_Set( p_playlist, "intf-change", val );    vlc_object_release( p_playlist );    return VLC_SUCCESS;}/***************************************************************************** * Close: *****************************************************************************/static void Close( vlc_object_t *p_this ){    services_discovery_t *p_sd = ( services_discovery_t* )p_this;    services_discovery_sys_t *p_sys  = p_sd->p_sys;    playlist_t *p_playlist =  (playlist_t *) vlc_object_find( p_sd,                                 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );    if( p_playlist )    {        playlist_NodeDelete( p_playlist, p_sys->p_node, VLC_TRUE, VLC_TRUE );        vlc_object_release( p_playlist );    }    free( p_sys );}static void AddDvd( services_discovery_t *p_sd, char *psz_device ){    char *psz_name;    char *psz_uri;    char *psz_blockdevice;    services_discovery_sys_t    *p_sys  = p_sd->p_sys;    playlist_t          *p_playlist;    playlist_item_t     *p_item;#ifdef HAVE_HAL_1    psz_name = libhal_device_get_property_string( p_sd->p_sys->p_ctx,                                        psz_device, "volume.label", NULL );    psz_blockdevice = libhal_device_get_property_string( p_sd->p_sys->p_ctx,                                        psz_device, "block.device", NULL );#else    psz_name = hal_device_get_property_string( p_sd->p_sys->p_ctx,                                               psz_device, "volume.label" );    psz_blockdevice = hal_device_get_property_string( p_sd->p_sys->p_ctx,                                                 psz_device, "block.device" );#endif    asprintf( &psz_uri, "dvd://%s", psz_blockdevice );    /* Create the playlist item here */    p_item = playlist_ItemNew( p_sd, psz_uri,                               psz_name );    free( psz_uri );#ifdef HAVE_HAL_1    libhal_free_string( psz_device );#else    hal_free_string( psz_device );#endif    if( !p_item )    {        return;    }    p_item->i_flags &= ~PLAYLIST_SKIP_FLAG;    p_playlist = (playlist_t *)vlc_object_find( p_sd, VLC_OBJECT_PLAYLIST,                                                FIND_ANYWHERE );    if( !p_playlist )    {        msg_Err( p_sd, "playlist not found" );        return;    }    playlist_NodeAddItem( p_playlist, p_item, VIEW_CATEGORY, p_sys->p_node,                          PLAYLIST_APPEND, PLAYLIST_END );    vlc_object_release( p_playlist );}static void AddCdda( services_discovery_t *p_sd, char *psz_device ){    char *psz_name = "Audio CD";    char *psz_uri;    char *psz_blockdevice;    services_discovery_sys_t    *p_sys  = p_sd->p_sys;    playlist_t          *p_playlist;    playlist_item_t     *p_item;#ifdef HAVE_HAL_1    psz_blockdevice = libhal_device_get_property_string( p_sd->p_sys->p_ctx,                                            psz_device, "block.device", NULL );#else    psz_blockdevice = hal_device_get_property_string( p_sd->p_sys->p_ctx,                                                 psz_device, "block.device" );#endif    asprintf( &psz_uri, "cdda://%s", psz_blockdevice );    /* Create the playlist item here */    p_item = playlist_ItemNew( p_sd, psz_uri,                               psz_name );    free( psz_uri );#ifdef HAVE_HAL_1    libhal_free_string( psz_device );#else    hal_free_string( psz_device );#endif    if( !p_item )    {        return;    }    p_item->i_flags &= ~PLAYLIST_SKIP_FLAG;    p_playlist = (playlist_t *)vlc_object_find( p_sd, VLC_OBJECT_PLAYLIST,                                                FIND_ANYWHERE );    if( !p_playlist )    {        msg_Err( p_sd, "playlist not found" );        return;    }    playlist_NodeAddItem( p_playlist, p_item, VIEW_CATEGORY, p_sys->p_node,                          PLAYLIST_APPEND, PLAYLIST_END );    vlc_object_release( p_playlist );}static void ParseDevice( services_discovery_t *p_sd, char *psz_device ){    char *psz_disc_type;    services_discovery_sys_t    *p_sys  = p_sd->p_sys;#ifdef HAVE_HAL_1    if( libhal_device_property_exists( p_sys->p_ctx, psz_device,                                       "volume.disc.type", NULL ) )    {        psz_disc_type = libhal_device_get_property_string( p_sys->p_ctx,                                                        psz_device,                                                        "volume.disc.type",                                                        NULL );#else    if( hal_device_property_exists( p_sys->p_ctx, psz_device,                                    "volume.disc.type" ) )    {        psz_disc_type = hal_device_get_property_string( p_sys->p_ctx,                                                        psz_device,                                                        "volume.disc.type" );#endif        if( !strncmp( psz_disc_type, "dvd_r", 5 ) )        {#ifdef HAVE_HAL_1            if (libhal_device_get_property_bool( p_sys->p_ctx, psz_device,                        "volume.disc.is_videodvd", NULL ) )#endif                AddDvd( p_sd, psz_device );        }        else if( !strncmp( psz_disc_type, "cd_r", 4 ) )        {#ifdef HAVE_HAL_1            if( libhal_device_get_property_bool( p_sys->p_ctx, psz_device,                                         "volume.disc.has_audio" , NULL ) )#else            if( hal_device_get_property_bool( p_sys->p_ctx, psz_device,                                         "volume.disc.has_audio" ) )#endif            {                AddCdda( p_sd, psz_device );            }        }#ifdef HAVE_HAL_1        libhal_free_string( psz_disc_type );#else        hal_free_string( psz_disc_type );#endif    }}/***************************************************************************** * Run: main HAL thread *****************************************************************************/static void Run( services_discovery_t *p_sd ){    int i, i_devices;    char **devices;    services_discovery_sys_t    *p_sys  = p_sd->p_sys;    /* parse existing devices first */#ifdef HAVE_HAL_1    if( ( devices = libhal_get_all_devices( p_sys->p_ctx, &i_devices, NULL ) ) )#else    if( ( devices = hal_get_all_devices( p_sys->p_ctx, &i_devices ) ) )#endif    {        for( i = 0; i < i_devices; i++ )        {            ParseDevice( p_sd, devices[ i ] );        }    }    while( !p_sd->b_die )    {        msleep( 100000 );    }}