1 /*****************************************************************************
2 * services_discovery.c : Manage playlist services_discovery modules
3 *****************************************************************************
4 * Copyright (C) 1999-2004 the VideoLAN team
5 * $Id: playlist.c 9216 2004-11-07 10:43:52Z zorglub $
7 * Authors: Clément Stenac <zorglub@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
23 #include <stdlib.h> /* free(), strtol() */
24 #include <stdio.h> /* sprintf() */
25 #include <string.h> /* strerror() */
30 #include <vlc/input.h>
32 #include "vlc_playlist.h"
34 /*****************************************************************************
36 *****************************************************************************/
38 static void RunSD( services_discovery_t *p_sd );
41 /***************************************************************************
42 ***************************************************************************/
44 int playlist_ServicesDiscoveryAdd( playlist_t *p_playlist,
45 const char *psz_module )
47 services_discovery_t *p_sd;
49 p_sd = vlc_object_create( p_playlist, VLC_OBJECT_SD );
52 p_sd->p_module = module_Need( p_sd, "services_discovery", psz_module, 0 );
54 if( p_sd->p_module == NULL )
56 msg_Err( p_playlist, "no suitable services discovery module" );
57 vlc_object_destroy( p_sd );
61 p_sd->psz_module = strdup( psz_module );
62 p_sd->b_die = VLC_FALSE;
64 vlc_mutex_lock( &p_playlist->object_lock );
66 INSERT_ELEM( p_playlist->pp_sds, p_playlist->i_sds, p_playlist->i_sds,
69 vlc_mutex_unlock( &p_playlist->object_lock );
71 if( vlc_thread_create( p_sd, "services_discovery", RunSD,
72 VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) )
74 msg_Err( p_sd, "cannot create services discovery thread" );
75 vlc_object_destroy( p_sd );
83 int playlist_ServicesDiscoveryRemove( playlist_t * p_playlist,
84 const char *psz_module )
87 services_discovery_t *p_sd = NULL;
88 vlc_mutex_lock( &p_playlist->object_lock );
90 for( i = 0 ; i< p_playlist->i_sds ; i ++ )
92 if( !strcmp( psz_module, p_playlist->pp_sds[i]->psz_module ) )
94 p_sd = p_playlist->pp_sds[i];
95 REMOVE_ELEM( p_playlist->pp_sds, p_playlist->i_sds, i );
102 vlc_mutex_unlock( &p_playlist->object_lock );
103 p_sd->b_die = VLC_TRUE;
104 vlc_thread_join( p_sd );
105 free( p_sd->psz_module );
106 module_Unneed( p_sd, p_sd->p_module );
107 vlc_mutex_lock( &p_playlist->object_lock );
108 vlc_object_destroy( p_sd );
112 msg_Warn( p_playlist, "module %s is not loaded", psz_module );
113 vlc_mutex_unlock( &p_playlist->object_lock );
117 vlc_mutex_unlock( &p_playlist->object_lock );
121 vlc_bool_t playlist_IsServicesDiscoveryLoaded( playlist_t * p_playlist,
122 const char *psz_module )
125 vlc_mutex_lock( &p_playlist->object_lock );
127 for( i = 0 ; i< p_playlist->i_sds ; i ++ )
129 if( !strcmp( psz_module, p_playlist->pp_sds[i]->psz_module ) )
131 vlc_mutex_unlock( &p_playlist->object_lock );
135 vlc_mutex_unlock( &p_playlist->object_lock );
141 * Load all service discovery modules in a string
143 * \param p_playlist the playlist
144 * \param psz_modules a list of modules separated by commads
145 * return VLC_SUCCESS or an error
147 int playlist_AddSDModules( playlist_t *p_playlist, char *psz_modules )
149 if( psz_modules && *psz_modules )
151 char *psz_parser = psz_modules;
154 while( psz_parser && *psz_parser )
156 while( *psz_parser == ' ' || *psz_parser == ':' )
161 if( (psz_next = strchr( psz_parser, ':' ) ) )
165 if( *psz_parser == '\0' )
170 playlist_ServicesDiscoveryAdd( p_playlist, psz_parser );
172 psz_parser = psz_next;
178 static void RunSD( services_discovery_t *p_sd )
180 p_sd->pf_run( p_sd );