X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fplaylist%2Fservices_discovery.c;h=1f2d9bf25b21a35a20bd8ba7d18387038c519c27;hb=4ca1e8b9b78f1fc67c79b10d5769edc952906e15;hp=eeb27f4a59483bf01da6c5545eab7964bb427872;hpb=fbf4c8060d35617e39b50ae739307152d02ed951;p=vlc diff --git a/src/playlist/services_discovery.c b/src/playlist/services_discovery.c index eeb27f4a59..1f2d9bf25b 100644 --- a/src/playlist/services_discovery.c +++ b/src/playlist/services_discovery.c @@ -20,108 +20,416 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ -#include +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif +#include + +#include #include "vlc_playlist.h" +#include "vlc_events.h" #include "playlist_internal.h" +#include "../libvlc.h" -static void RunSD( services_discovery_t *p_sd ); +static void* RunSD( vlc_object_t *p_this ); -int playlist_ServicesDiscoveryAdd( playlist_t *p_playlist, const char *psz_modules ) +/* + * Services discovery + * Basically you just listen to Service discovery event through the + * sd's event manager. + * That's how the playlist get's Service Discovery information + */ + +/*********************************************************************** + * GetServicesNames + ***********************************************************************/ +char ** __services_discovery_GetServicesNames( vlc_object_t * p_super, + char ***pppsz_longnames ) +{ + return module_GetModulesNamesForCapability( p_super, "services_discovery", + pppsz_longnames ); +} + +/*********************************************************************** + * Create + ***********************************************************************/ +services_discovery_t * +services_discovery_Create ( vlc_object_t * p_super, const char * psz_module_name ) +{ + services_discovery_t *p_sd; + p_sd = vlc_custom_create( p_super, sizeof( *p_sd ), VLC_OBJECT_GENERIC, + "services discovery" ); + if( !p_sd ) + return NULL; + + p_sd->pf_run = NULL; + p_sd->psz_localized_name = NULL; + + vlc_event_manager_init( &p_sd->event_manager, p_sd, (vlc_object_t *)p_sd ); + vlc_event_manager_register_event_type( &p_sd->event_manager, + vlc_ServicesDiscoveryItemAdded ); + vlc_event_manager_register_event_type( &p_sd->event_manager, + vlc_ServicesDiscoveryItemRemoved ); + vlc_event_manager_register_event_type( &p_sd->event_manager, + vlc_ServicesDiscoveryStarted ); + vlc_event_manager_register_event_type( &p_sd->event_manager, + vlc_ServicesDiscoveryEnded ); + + p_sd->p_module = module_Need( p_sd, "services_discovery", psz_module_name, true ); + + if( p_sd->p_module == NULL ) + { + msg_Err( p_super, "no suitable services discovery module" ); + vlc_object_release( p_sd ); + return NULL; + } + p_sd->psz_module = strdup( psz_module_name ); + p_sd->b_die = false; /* FIXME */ + + vlc_object_attach( p_sd, p_super ); + return p_sd; +} + +/*********************************************************************** + * Destroy + ***********************************************************************/ +void services_discovery_Destroy ( services_discovery_t * p_sd ) { - if( psz_modules && *psz_modules ) + vlc_event_manager_fini( &p_sd->event_manager ); + + free( p_sd->psz_module ); + free( p_sd->psz_localized_name ); + + vlc_object_detach( p_sd ); + vlc_object_release( p_sd ); +} + +/*********************************************************************** + * Start + ***********************************************************************/ +int services_discovery_Start ( services_discovery_t * p_sd ) +{ + if ((p_sd->pf_run != NULL) + && vlc_thread_create( p_sd, "services_discovery", RunSD, + VLC_THREAD_PRIORITY_LOW, false)) { - const char *psz_parser = psz_modules; - char *psz_next; + msg_Err( p_sd, "cannot create services discovery thread" ); + vlc_object_release( p_sd ); + return VLC_EGENERIC; + } + return VLC_SUCCESS; +} + +/*********************************************************************** + * Stop + ***********************************************************************/ +static void ObjectKillChildrens( vlc_object_t *p_obj ) +{ + vlc_list_t *p_list; + int i; + vlc_object_kill( p_obj ); + + p_list = vlc_list_children( p_obj ); + for( i = 0; i < p_list->i_count; i++ ) + ObjectKillChildrens( p_list->p_values[i].p_object ); + vlc_list_release( p_list ); +} + +void services_discovery_Stop ( services_discovery_t * p_sd ) +{ + ObjectKillChildrens( VLC_OBJECT(p_sd) ); + if( p_sd->pf_run ) vlc_thread_join( p_sd ); - while( psz_parser && *psz_parser ) + module_Unneed( p_sd, p_sd->p_module ); +} + +/*********************************************************************** + * GetLocalizedName + ***********************************************************************/ +char * +services_discovery_GetLocalizedName ( services_discovery_t * p_sd ) +{ + return p_sd->psz_localized_name ? strdup( p_sd->psz_localized_name ) : NULL; +} + +/*********************************************************************** + * SetLocalizedName + ***********************************************************************/ +void +services_discovery_SetLocalizedName ( services_discovery_t * p_sd, const char *psz ) +{ + free( p_sd->psz_localized_name ); + p_sd->psz_localized_name = strdup(psz); +} + +/*********************************************************************** + * EventManager + ***********************************************************************/ +vlc_event_manager_t * +services_discovery_EventManager ( services_discovery_t * p_sd ) +{ + return &p_sd->event_manager; +} + +/*********************************************************************** + * AddItem + ***********************************************************************/ +void +services_discovery_AddItem ( services_discovery_t * p_sd, input_item_t * p_item, + const char * psz_category ) +{ + vlc_event_t event; + event.type = vlc_ServicesDiscoveryItemAdded; + event.u.services_discovery_item_added.p_new_item = p_item; + event.u.services_discovery_item_added.psz_category = psz_category; + + vlc_event_send( &p_sd->event_manager, &event ); +} + +/*********************************************************************** + * RemoveItem + ***********************************************************************/ +void +services_discovery_RemoveItem ( services_discovery_t * p_sd, input_item_t * p_item ) +{ + vlc_event_t event; + event.type = vlc_ServicesDiscoveryItemRemoved; + event.u.services_discovery_item_removed.p_item = p_item; + + vlc_event_send( &p_sd->event_manager, &event ); +} + +/*********************************************************************** + * RunSD (Private) + ***********************************************************************/ +static void* RunSD( vlc_object_t *p_this ) +{ + services_discovery_t *p_sd = (services_discovery_t *)p_this; + vlc_event_t event; + + event.type = vlc_ServicesDiscoveryStarted; + vlc_event_send( &p_sd->event_manager, &event ); + + p_sd->pf_run( p_sd ); + + event.type = vlc_ServicesDiscoveryEnded; + vlc_event_send( &p_sd->event_manager, &event ); + return NULL; +} + +/* + * Playlist - Services discovery bridge + */ + + /* A new item has been added to a certain sd */ +static void playlist_sd_item_added( const vlc_event_t * p_event, void * user_data ) +{ + input_item_t * p_input = p_event->u.services_discovery_item_added.p_new_item; + const char * psz_cat = p_event->u.services_discovery_item_added.psz_category; + playlist_item_t *p_new_item, * p_parent = user_data; + playlist_t * p_playlist = p_parent->p_playlist; + + msg_Dbg( p_playlist, "Adding %s in %s", + p_input->psz_name ? p_input->psz_name : "(null)", + psz_cat ? psz_cat : "(null)" ); + + PL_LOCK; + /* If p_parent is in root category (this is clearly a hack) and we have a cat */ + if( !EMPTY_STR(psz_cat) && + p_parent->p_parent == p_playlist->p_root_category ) + { + /* */ + playlist_item_t * p_cat; + p_cat = playlist_ChildSearchName( p_parent, psz_cat ); + if( !p_cat ) { - while( *psz_parser == ' ' || *psz_parser == ':' || *psz_parser == ',' ) - psz_parser++; - - if( (psz_next = strchr( psz_parser, ':' ) ) ) - *psz_next++ = '\0'; - - if( *psz_parser == '\0' ) - break; - msg_Dbg( p_playlist, "Add services_discovery %s", psz_parser ); - /* Perform the addition */ - { - services_discovery_t *p_sd = vlc_object_create( p_playlist, - VLC_OBJECT_SD ); - p_sd->pf_run = NULL; - p_sd->p_module = module_Need( p_sd, "services_discovery", psz_parser, 0 ); - - if( p_sd->p_module == NULL ) - { - msg_Err( p_playlist, "no suitable services discovery module" ); - vlc_object_destroy( p_sd ); - return VLC_EGENERIC; - } - p_sd->psz_module = strdup( psz_parser ); - p_sd->b_die = VLC_FALSE; - - PL_LOCK; - TAB_APPEND( p_playlist->i_sds, p_playlist->pp_sds, p_sd ); - PL_UNLOCK; - - if( !p_sd->pf_run ) { - psz_parser = psz_next; - continue; - } - - if( vlc_thread_create( p_sd, "services_discovery", RunSD, - VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) ) - { - msg_Err( p_sd, "cannot create services discovery thread" ); - vlc_object_destroy( p_sd ); - return VLC_EGENERIC; - } - } - psz_parser = psz_next; + p_cat = playlist_NodeCreate( p_playlist, psz_cat, + p_parent, 0, NULL ); + p_cat->i_flags &= ~PLAYLIST_SKIP_FLAG; } + p_parent = p_cat; } - return VLC_SUCCESS; + + p_new_item = playlist_NodeAddInput( p_playlist, p_input, p_parent, + PLAYLIST_APPEND, PLAYLIST_END, pl_Locked ); + if( p_new_item ) + { + p_new_item->i_flags &= ~PLAYLIST_SKIP_FLAG; + p_new_item->i_flags &= ~PLAYLIST_SAVE_FLAG; + } + PL_UNLOCK; +} + + /* A new item has been removed from a certain sd */ +static void playlist_sd_item_removed( const vlc_event_t * p_event, void * user_data ) +{ + input_item_t * p_input = p_event->u.services_discovery_item_removed.p_item; + playlist_item_t * p_parent = user_data; + playlist_item_t * p_pl_item; + + /* First make sure that if item is a node it will be deleted. + * XXX: Why don't we have a function to ensure that in the playlist code ? */ + vlc_object_lock( p_parent->p_playlist ); + p_pl_item = playlist_ItemFindFromInputAndRoot( p_parent->p_playlist, + p_input->i_id, p_parent, false ); + + if( p_pl_item && p_pl_item->i_children > -1 ) + { + playlist_NodeDelete( p_parent->p_playlist, p_pl_item, true, false ); + vlc_object_unlock( p_parent->p_playlist ); + return; + } + + /* Delete the non-node item normally */ + playlist_DeleteFromInputInParent( p_parent->p_playlist, p_input->i_id, + p_parent, pl_Locked ); + + vlc_object_unlock( p_parent->p_playlist ); +} + +int playlist_ServicesDiscoveryAdd( playlist_t *p_playlist, const char *psz_modules ) +{ + const char *psz_parser = psz_modules ?: ""; + int retval = VLC_SUCCESS; + + for (;;) + { + struct playlist_services_discovery_support_t * p_sds; + playlist_item_t * p_cat; + playlist_item_t * p_one; + + while( *psz_parser == ' ' || *psz_parser == ':' || *psz_parser == ',' ) + psz_parser++; + + if( *psz_parser == '\0' ) + break; + + const char *psz_next = strchr( psz_parser, ':' ); + if( psz_next == NULL ) + psz_next = psz_parser + strlen( psz_parser ); + + char psz_plugin[psz_next - psz_parser + 1]; + memcpy (psz_plugin, psz_parser, sizeof (psz_plugin) - 1); + psz_plugin[sizeof (psz_plugin) - 1] = '\0'; + psz_parser = psz_next; + + /* Perform the addition */ + msg_Dbg( p_playlist, "Add services_discovery %s", psz_plugin ); + services_discovery_t *p_sd; + + p_sd = services_discovery_Create( (vlc_object_t*)p_playlist, psz_plugin ); + if( !p_sd ) + continue; + + char * psz = services_discovery_GetLocalizedName( p_sd ); + assert( psz ); + PL_LOCK; + playlist_NodesPairCreate( p_playlist, psz, + &p_cat, &p_one, false ); + PL_UNLOCK; + free( psz ); + + vlc_event_attach( services_discovery_EventManager( p_sd ), + vlc_ServicesDiscoveryItemAdded, + playlist_sd_item_added, + p_one ); + + vlc_event_attach( services_discovery_EventManager( p_sd ), + vlc_ServicesDiscoveryItemAdded, + playlist_sd_item_added, + p_cat ); + + vlc_event_attach( services_discovery_EventManager( p_sd ), + vlc_ServicesDiscoveryItemRemoved, + playlist_sd_item_removed, + p_one ); + + vlc_event_attach( services_discovery_EventManager( p_sd ), + vlc_ServicesDiscoveryItemRemoved, + playlist_sd_item_removed, + p_cat ); + + services_discovery_Start( p_sd ); + + /* Free in playlist_ServicesDiscoveryRemove */ + p_sds = malloc( sizeof(struct playlist_services_discovery_support_t) ); + if( !p_sds ) + return VLC_ENOMEM; + p_sds->p_sd = p_sd; + p_sds->p_one = p_one; + p_sds->p_cat = p_cat; + + PL_LOCK; + TAB_APPEND( p_playlist->i_sds, p_playlist->pp_sds, p_sds ); + PL_UNLOCK; + } + + return retval; } int playlist_ServicesDiscoveryRemove( playlist_t * p_playlist, const char *psz_module ) { + struct playlist_services_discovery_support_t * p_sds = NULL; int i; - services_discovery_t *p_sd = NULL; PL_LOCK; for( i = 0 ; i< p_playlist->i_sds ; i ++ ) { - if( !strcmp( psz_module, p_playlist->pp_sds[i]->psz_module ) ) + if( !strcmp( psz_module, p_playlist->pp_sds[i]->p_sd->psz_module ) ) { - p_sd = p_playlist->pp_sds[i]; + p_sds = p_playlist->pp_sds[i]; REMOVE_ELEM( p_playlist->pp_sds, p_playlist->i_sds, i ); break; } } + PL_UNLOCK; - if( p_sd ) - { - PL_UNLOCK; - p_sd->b_die = VLC_TRUE; - if( p_sd->pf_run ) vlc_thread_join( p_sd ); - - free( p_sd->psz_module ); - module_Unneed( p_sd, p_sd->p_module ); - PL_LOCK; - vlc_object_destroy( p_sd ); - } - else + if( !p_sds || !p_sds->p_sd ) { msg_Warn( p_playlist, "module %s is not loaded", psz_module ); - PL_UNLOCK; return VLC_EGENERIC; } + + services_discovery_Stop( p_sds->p_sd ); + + vlc_event_detach( services_discovery_EventManager( p_sds->p_sd ), + vlc_ServicesDiscoveryItemAdded, + playlist_sd_item_added, + p_sds->p_one ); + + vlc_event_detach( services_discovery_EventManager( p_sds->p_sd ), + vlc_ServicesDiscoveryItemAdded, + playlist_sd_item_added, + p_sds->p_cat ); + + vlc_event_detach( services_discovery_EventManager( p_sds->p_sd ), + vlc_ServicesDiscoveryItemRemoved, + playlist_sd_item_removed, + p_sds->p_one ); + + vlc_event_detach( services_discovery_EventManager( p_sds->p_sd ), + vlc_ServicesDiscoveryItemRemoved, + playlist_sd_item_removed, + p_sds->p_cat ); + + /* Remove the sd playlist node if it exists */ + PL_LOCK; + if( p_sds->p_cat != p_playlist->p_root_category && + p_sds->p_one != p_playlist->p_root_onelevel ) + { + playlist_NodeDelete( p_playlist, p_sds->p_cat, true, false ); + playlist_NodeDelete( p_playlist, p_sds->p_one, true, false ); + } PL_UNLOCK; + + services_discovery_Destroy( p_sds->p_sd ); + free( p_sds ); + return VLC_SUCCESS; } -vlc_bool_t playlist_IsServicesDiscoveryLoaded( playlist_t * p_playlist, +bool playlist_IsServicesDiscoveryLoaded( playlist_t * p_playlist, const char *psz_module ) { int i; @@ -129,18 +437,20 @@ vlc_bool_t playlist_IsServicesDiscoveryLoaded( playlist_t * p_playlist, for( i = 0 ; i< p_playlist->i_sds ; i ++ ) { - if( !strcmp( psz_module, p_playlist->pp_sds[i]->psz_module ) ) + if( !strcmp( psz_module, p_playlist->pp_sds[i]->p_sd->psz_module ) ) { PL_UNLOCK; - return VLC_TRUE; + return true; } } PL_UNLOCK; - return VLC_FALSE; + return false; } -static void RunSD( services_discovery_t *p_sd ) +void playlist_ServicesDiscoveryKillAll( playlist_t *p_playlist ) { - p_sd->pf_run( p_sd ); - return; + while( p_playlist->i_sds > 0 ) + playlist_ServicesDiscoveryRemove( p_playlist, + p_playlist->pp_sds[0]->p_sd->psz_module ); } +