]> git.sesse.net Git - vlc/blobdiff - modules/services_discovery/hal.c
Removes trailing spaces. Removes tabs.
[vlc] / modules / services_discovery / hal.c
index c8fab051f7ac1bac973a4a829b3ee1775e7c98bf..5b84eeced6ebf02a60f2ba62599e5b6ea8680fc8 100644 (file)
@@ -2,9 +2,11 @@
  * hal.c :  HAL interface module
  *****************************************************************************
  * Copyright (C) 2004 the VideoLAN team
+ * Copyright (C) 2006 Rafaël Carré
  * $Id$
  *
  * Authors: Clément Stenac <zorglub@videolan.org>
+ *          Rafaël Carré <funman at videolanorg>
  *
  * 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
  *****************************************************************************/
 
 #include <vlc/vlc.h>
-#include <vlc/intf.h>
+#include <vlc_playlist.h>
 
-#include <vlc/input.h>
-
-#include "network.h"
+#include <vlc_network.h>
 
 #include <errno.h>                                                 /* ENOMEM */
 
 /*****************************************************************************
  * Local prototypes
  *****************************************************************************/
+#ifdef HAVE_HAL_1
+/* store relation between item id and udi for ejection */
+struct udi_input_id_t
+{
+    char    *psz_udi;
+    int     i_id;
+};
+#endif
+
 struct services_discovery_sys_t
 {
-    LibHalContext *p_ctx;
-    playlist_item_t *p_node_cat;
-    playlist_item_t *p_node_one;
+    LibHalContext           *p_ctx;
+    playlist_item_t         *p_node_cat;
+    playlist_item_t         *p_node_one;
+#ifdef HAVE_HAL_1
+    DBusConnection          *p_connection;
+    int                     i_devices_number;
+    struct udi_input_id_t   **pp_devices;
+#endif
 };
-static void AddItem( services_discovery_t *p_sd, input_item_t * p_input );
 static void Run    ( services_discovery_t *p_intf );
 
 static int  Open ( vlc_object_t * );
 static void Close( vlc_object_t * );
 
+#ifdef HAVE_HAL_1
+/* HAL callbacks */
+void DeviceAdded( LibHalContext *p_ctx, const char *psz_udi );
+void DeviceRemoved( LibHalContext *p_ctx, const char *psz_udi );
+/* to retrieve p_sd in HAL callbacks */
+services_discovery_t        *p_sd_global;
+#endif
+
 /*****************************************************************************
  * Module descriptor
  *****************************************************************************/
@@ -81,15 +102,19 @@ static int Open( vlc_object_t *p_this )
 
     playlist_t          *p_playlist;
 
-#if defined( HAVE_HAL_1 ) && defined( HAVE_DBUS_2 )
+#ifdef HAVE_HAL_1
     DBusError           dbus_error;
     DBusConnection      *p_connection;
+
+    p_sd_global = p_sd;
+    p_sys->i_devices_number = 0;
+    p_sys->pp_devices = NULL;
 #endif
 
     p_sd->pf_run = Run;
     p_sd->p_sys  = p_sys;
 
-#if defined( HAVE_HAL_1 ) && defined( HAVE_DBUS_2 )
+#ifdef HAVE_HAL_1
     dbus_error_init( &dbus_error );
 
     p_sys->p_ctx = libhal_ctx_new();
@@ -108,12 +133,13 @@ static int Open( vlc_object_t *p_this )
         return VLC_EGENERIC;
     }
     libhal_ctx_set_dbus_connection( p_sys->p_ctx, p_connection );
+    p_sys->p_connection = p_connection;
     if( !libhal_ctx_init( p_sys->p_ctx, &dbus_error ) )
 #else
     if( !(p_sys->p_ctx = hal_initialize( NULL, FALSE ) ) )
 #endif
     {
-#if defined( HAVE_HAL_1 ) && defined( HAVE_DBUS_2 )
+#ifdef HAVE_HAL_1
         msg_Err( p_sd, "hal not available : %s", dbus_error.message );
         dbus_error_free( &dbus_error );
 #else
@@ -123,6 +149,17 @@ static int Open( vlc_object_t *p_this )
         return VLC_EGENERIC;
     }
 
+#ifdef HAVE_HAL_1
+        if( !libhal_ctx_set_device_added( p_sys->p_ctx, DeviceAdded ) ||
+                !libhal_ctx_set_device_removed( p_sys->p_ctx, DeviceRemoved ) )
+        {
+            msg_Err( p_sd, "unable to add callback" );
+            dbus_error_free( &dbus_error );
+            free( p_sys );
+            return VLC_EGENERIC;
+        }
+#endif
+
     /* Create our playlist node */
     p_playlist = (playlist_t *)vlc_object_find( p_sd, VLC_OBJECT_PLAYLIST,
                                                 FIND_ANYWHERE );
@@ -156,6 +193,60 @@ static void Close( vlc_object_t *p_this )
         vlc_object_release( p_playlist );
     }
     free( p_sys );
+#ifdef HAVE_HAL_1
+    dbus_connection_unref( p_sys->p_connection );
+
+    struct udi_input_id_t *p_udi_entry;
+
+    while( p_sys->i_devices_number > 0 )
+    {
+        p_udi_entry = p_sys->pp_devices[0];
+        if( p_udi_entry->psz_udi ) free( p_udi_entry->psz_udi );
+        TAB_REMOVE( p_sys->i_devices_number, p_sys->pp_devices,
+                p_sys->pp_devices[0] );
+        if( p_udi_entry ) free( p_udi_entry );
+    }
+    p_sys->pp_devices = NULL;
+#endif
+}
+
+static void AddItem( services_discovery_t *p_sd, input_item_t * p_input
+#ifdef HAVE_HAL_1
+                ,char* psz_device
+#endif
+                    )
+{
+    playlist_item_t *p_item_cat, *p_item_one;
+    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 )
+    {
+        msg_Err( p_sd, "playlist not found" );
+        return;
+    }
+    p_item_cat = playlist_NodeAddInput( p_playlist,
+            p_input,p_sd->p_sys->p_node_cat, PLAYLIST_APPEND, PLAYLIST_END,
+            VLC_FALSE );
+    p_item_cat->i_flags &= ~PLAYLIST_SKIP_FLAG;
+    p_item_one = playlist_NodeAddInput( p_playlist,
+            p_input,p_sd->p_sys->p_node_one, PLAYLIST_APPEND, PLAYLIST_END,
+            VLC_FALSE );
+    p_item_one->i_flags &= ~PLAYLIST_SKIP_FLAG;
+
+    vlc_object_release( p_playlist );
+
+#ifdef HAVE_HAL_1
+    struct udi_input_id_t *p_udi_entry;
+    p_udi_entry = malloc( sizeof( struct udi_input_id_t ) );
+    if( !p_udi_entry )
+    {
+        return;
+    }
+    p_udi_entry->i_id = p_item_cat->i_id;
+    p_udi_entry->psz_udi = strdup( psz_device );
+    TAB_APPEND( p_sys->i_devices_number, p_sys->pp_devices, p_udi_entry );
+#endif
 }
 
 static void AddDvd( services_discovery_t *p_sd, char *psz_device )
@@ -179,21 +270,24 @@ static void AddDvd( services_discovery_t *p_sd, char *psz_device )
     /* Create the playlist item here */
     p_input = input_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_input )
     {
         return;
     }
+#ifdef HAVE_HAL_1
+    AddItem( p_sd, p_input, psz_device );
+#else
     AddItem( p_sd, p_input );
+#endif
 }
 
-static void AddItem( services_discovery_t *p_sd, input_item_t * p_input )
+#ifdef HAVE_HAL_1
+static void DelItem( services_discovery_t *p_sd, char* psz_udi )
 {
-    playlist_item_t *p_item;
+    services_discovery_sys_t    *p_sys  = p_sd->p_sys;
+    int                         i,j;
+    playlist_item_t             *p_pl_item;
+
     playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_sd,
                                         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
     if( !p_playlist )
@@ -201,19 +295,45 @@ static void AddItem( services_discovery_t *p_sd, input_item_t * p_input )
         msg_Err( p_sd, "playlist not found" );
         return;
     }
-    p_item = playlist_NodeAddInput( p_playlist, p_input,p_sd->p_sys->p_node_cat,
-                                    PLAYLIST_APPEND, PLAYLIST_END );
-    p_item->i_flags &= ~PLAYLIST_SKIP_FLAG;
-    p_item = playlist_NodeAddInput( p_playlist, p_input,p_sd->p_sys->p_node_one,
-                                    PLAYLIST_APPEND, PLAYLIST_END );
-    p_item->i_flags &= ~PLAYLIST_SKIP_FLAG;
+
+    for( i = 0; i < p_sys->i_devices_number; i++ )
+    { /*  looks for a matching udi */
+        if( strcmp( psz_udi, p_sys->pp_devices[i]->psz_udi ) == 0 )
+        { /* delete the corresponding item */
+            p_pl_item = playlist_ItemGetById( p_playlist,
+                p_sys->pp_devices[i]->i_id, VLC_FALSE );
+            if( p_pl_item )
+            {
+                j = 0;
+                while( p_pl_item->i_children > 0 )
+                { /* delete all childs */
+                    playlist_DeleteFromInput( p_playlist,
+                        p_pl_item->pp_children[j]->p_input->i_id, VLC_FALSE );
+                }
+                /* delete parent item */
+
+                /* HACK: if i_children == 0 the item won't be deleted
+                 * That means that it _had_ children but they were deleted */
+                if( p_pl_item->i_children == 0 )
+                    p_pl_item->i_children = -1;
+
+                playlist_DeleteFromInput( p_playlist,
+                    p_pl_item->p_input->i_id, VLC_FALSE );
+            }
+
+            if( p_sys->pp_devices[i]->psz_udi )
+                free( p_sys->pp_devices[i]->psz_udi );
+            TAB_REMOVE( p_sys->i_devices_number, p_sys->pp_devices,
+                    p_sys->pp_devices[i] );
+        }
+    }
 
     vlc_object_release( p_playlist );
 }
+#endif
 
 static void AddCdda( services_discovery_t *p_sd, char *psz_device )
 {
-    char *psz_name = "Audio CD";
     char *psz_uri;
     char *psz_blockdevice;
     input_item_t     *p_input;
@@ -226,16 +346,15 @@ static void AddCdda( services_discovery_t *p_sd, char *psz_device )
 #endif
     asprintf( &psz_uri, "cdda://%s", psz_blockdevice );
     /* Create the playlist item here */
-    p_input = input_ItemNew( p_sd, psz_uri, psz_name );
+    p_input = input_ItemNew( p_sd, psz_uri, "Audio CD" );
     free( psz_uri );
-#ifdef HAVE_HAL_1
-    libhal_free_string( psz_device );
-#else
-    hal_free_string( psz_device );
-#endif
     if( !p_input )
         return;
+#ifdef HAVE_HAL_1
+    AddItem( p_sd, p_input, psz_device );
+#else
     AddItem( p_sd, p_input );
+#endif
 }
 
 static void ParseDevice( services_discovery_t *p_sd, char *psz_device )
@@ -258,7 +377,7 @@ static void ParseDevice( services_discovery_t *p_sd, char *psz_device )
                                                         psz_device,
                                                         "volume.disc.type" );
 #endif
-        if( !strcmp( psz_disc_type, "dvd_rom" ) )
+        if( !strncmp( psz_disc_type, "dvd_r", 5 ) )
         {
 #ifdef HAVE_HAL_1
             /* hal 0.2.9.7 (HAVE_HAL) has not is_videodvd
@@ -268,7 +387,7 @@ static void ParseDevice( services_discovery_t *p_sd, char *psz_device )
 #endif
             AddDvd( p_sd, psz_device );
         }
-        else if( !strcmp( psz_disc_type, "cd_rom" ) )
+        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,
@@ -281,11 +400,6 @@ static void ParseDevice( services_discovery_t *p_sd, char *psz_device )
                 AddCdda( p_sd, psz_device );
             }
         }
-#ifdef HAVE_HAL_1
-        libhal_free_string( psz_disc_type );
-#else
-        hal_free_string( psz_disc_type );
-#endif
     }
 }
 
@@ -308,72 +422,33 @@ static void Run( services_discovery_t *p_sd )
         for( i = 0; i < i_devices; i++ )
         {
             ParseDevice( p_sd, devices[ i ] );
-        }
-    }
-#ifdef HAVE_DBUS_2
-    /* We'll use D-Bus to listen for devices evenements */
-    /* TODO: Manage hot removal of devices */
-    DBusMessage*        dbus_message;
-    DBusMessageIter     dbus_args;
-    const char**        psz_dbus_value;
-    char*               psz_dbus_device;
-    DBusError           dbus_error;
-    DBusConnection*     p_connection;
-
-    dbus_error_init( &dbus_error );
-
-    /* connect to the system bus */
-    p_connection = dbus_bus_get( DBUS_BUS_SYSTEM, &dbus_error );
-    if ( dbus_error_is_set( &dbus_error ) )
-    {
-        msg_Err( p_sd, "D-Bus Connection Error (%s)\n", dbus_error.message);
-        dbus_error_free( &dbus_error );
-        return;
-    }
-
-    /* check for hal signals */
-    dbus_bus_add_match( p_connection,
-        "type='signal',interface='org.freedesktop.Hal.Manager'", &dbus_error );
-    dbus_connection_flush( p_connection );
+#ifdef HAVE_HAL_1
+            libhal_free_string( devices[ i ] );
+#else
+            hal_free_string( devices[ i ] );
+#endif
 
-    /* an error ? oooh too bad :) */
-    if ( dbus_error_is_set( &dbus_error ) )
-    { 
-        msg_Err( p_sd, "D-Bus signal match Error (%s)\n", dbus_error.message);
-        return;
+        }
     }
-
+#ifdef HAVE_HAL_1
     while( !p_sd->b_die )
     {
-        /* read next available message */
-        dbus_connection_read_write( p_connection, 0 );
-        dbus_message = dbus_connection_pop_message( p_connection );
-
-        if( dbus_message == NULL )
-        {
-            /* we've worked really hard, now it's time to sleep */
-            msleep( 100000 );
-            continue;
-        }
-        /* check if the message is a signal from the correct interface */
-        if( dbus_message_is_signal( dbus_message, "org.freedesktop.Hal.Manager",
-                    "DeviceAdded" ) )
-        {
-            /* read the parameter (it must be an udi string) */
-            if( dbus_message_iter_init( dbus_message, &dbus_args ) &&
-                ( dbus_message_iter_get_arg_type( &dbus_args ) ==
-                        DBUS_TYPE_STRING )
-                )
-            {
-                dbus_message_iter_get_basic( &dbus_args, &psz_dbus_value );
-                /* psz_bus_value musn't be freed, but AddCdda will do it
-                 * so we allocate some memory, and copy it into psz_dbus_device
-                 */
-                psz_dbus_device = strdup( psz_dbus_value );
-                ParseDevice( p_sd, psz_dbus_device );
-            }
-        }
-        dbus_message_unref( dbus_message );
+    /* look for events on the bus, blocking 1 second */
+    dbus_connection_read_write_dispatch( p_sys->p_connection, 1000 );
+    /* HAL 0.5.8.1 can use libhal_ctx_get_dbus_connection(p_sys->p_ctx) */
     }
 #endif
+
 }
+
+#ifdef HAVE_HAL_1
+void DeviceAdded( LibHalContext *p_ctx, const char *psz_udi )
+{
+        ParseDevice( p_sd_global, (char*) psz_udi );
+}
+void DeviceRemoved( LibHalContext *p_ctx, const char *psz_udi )
+{
+        DelItem( p_sd_global, (char*) psz_udi );
+}
+#endif
+