--- /dev/null
+/*****************************************************************************
+ * Upnp_intell.cpp : UPnP discovery module (Intel SDK)
+ *****************************************************************************
+ * Copyright (C) 2004-2006 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Rémi Denis-Courmont <rem # videolan.org> (original plugin)
+ * Christian Henz <henz # c-lab.de>
+ *
+ * UPnP Plugin using the Intel SDK (libupnp) instead of CyberLink
+ *
+ * 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.
+ *****************************************************************************/
+
+/*
+ \TODO: Debug messages: "__FILE__, __LINE__" ok ???, Wrn/Err ???
+ \TODO: Change names to VLC standard ???
+*/
+
+#include <stdlib.h>
+
+#include <vector>
+#include <string>
+
+#include <upnp/upnp.h>
+#include <upnp/upnptools.h>
+
+#undef PACKAGE_NAME
+#include <vlc/vlc.h>
+#include <vlc/intf.h>
+
+
+// VLC handle
+
+struct services_discovery_sys_t
+{
+ playlist_item_t *p_node;
+ playlist_t *p_playlist;
+};
+
+
+// Constants
+
+const char* MEDIA_SERVER_DEVICE_TYPE = "urn:schemas-upnp-org:device:MediaServer:1";
+const char* CONTENT_DIRECTORY_SERVICE_TYPE = "urn:schemas-upnp-org:service:ContentDirectory:1";
+
+
+// Classes
+
+class MediaServer;
+class MediaServerList;
+class Item;
+class Container;
+
+// Cookie that is passed to the callback
+
+typedef struct
+{
+ services_discovery_t* serviceDiscovery;
+ UpnpClient_Handle clientHandle;
+ MediaServerList* serverList;
+} Cookie;
+
+
+// Class definitions...
+
+class Lockable
+{
+public:
+
+ Lockable( Cookie* c )
+ {
+ vlc_mutex_init( c->serviceDiscovery, &_mutex );
+ }
+
+ ~Lockable()
+ {
+ vlc_mutex_destroy( &_mutex );
+ }
+
+ void lock() { vlc_mutex_lock( &_mutex ); }
+ void unlock() { vlc_mutex_unlock( &_mutex ); }
+
+private:
+
+ vlc_mutex_t _mutex;
+};
+
+
+class Locker
+{
+public:
+ Locker( Lockable* l )
+ {
+ _lockable = l;
+ _lockable->lock();
+ }
+
+ ~Locker()
+ {
+ _lockable->unlock();
+ }
+
+private:
+ Lockable* _lockable;
+};
+
+
+class MediaServer
+{
+public:
+
+ static void parseDeviceDescription( IXML_Document* doc, const char* location, Cookie* cookie );
+
+ MediaServer( const char* UDN, const char* friendlyName, Cookie* cookie );
+ ~MediaServer();
+
+ const char* getUDN() const;
+ const char* getFriendlyName() const;
+
+ void setContentDirectoryEventURL( const char* url );
+ const char* getContentDirectoryEventURL() const;
+
+ void setContentDirectoryControlURL( const char* url );
+ const char* getContentDirectoryControlURL() const;
+
+ void subscribeToContentDirectory();
+ void fetchContents();
+
+ void setPlaylistNode( playlist_item_t* node );
+
+ bool compareSID( const char* sid );
+
+private:
+
+ bool _fetchContents( Container* parent );
+ void _buildPlaylist( Container* container );
+ IXML_Document* _browseAction( const char*, const char*, const char*, const char*, const char*, const char* );
+
+ Cookie* _cookie;
+
+ Container* _contents;
+ playlist_item_t* _playlistNode;
+
+ std::string _UDN;
+ std::string _friendlyName;
+
+ std::string _contentDirectoryEventURL;
+ std::string _contentDirectoryControlURL;
+
+ int _subscriptionTimeOut;
+ Upnp_SID _subscriptionID;
+};
+
+
+class MediaServerList
+{
+public:
+
+ MediaServerList( Cookie* cookie );
+ ~MediaServerList();
+
+ bool addServer( MediaServer* s );
+ void removeServer( const char* UDN );
+
+ MediaServer* getServer( const char* UDN );
+ MediaServer* getServerBySID( const char* );
+
+private:
+
+ Cookie* _cookie;
+
+ std::vector<MediaServer*> _list;
+};
+
+
+class Item
+{
+public:
+
+ Item( Container* parent, const char* objectID, const char* title, const char* resource );
+
+ const char* getObjectID() const;
+ const char* getTitle() const;
+ const char* getResource() const;
+
+ void setPlaylistNode( playlist_item_t* node );
+ playlist_item_t* getPlaylistNode() const ;
+
+private:
+
+ playlist_item_t* _playlistNode;
+
+ Container* _parent;
+ std::string _objectID;
+ std::string _title;
+ std::string _resource;
+};
+
+
+class Container
+{
+public:
+
+ Container( Container* parent, const char* objectID, const char* title );
+ ~Container();
+
+ void addItem( Item* item );
+ void addContainer( Container* container );
+
+ const char* getObjectID() const;
+ const char* getTitle() const;
+
+ unsigned int getNumItems() const;
+ unsigned int getNumContainers() const;
+
+ Item* getItem( unsigned int i ) const;
+ Container* getContainer( unsigned int i ) const;
+
+ void setPlaylistNode( playlist_item_t* node );
+ playlist_item_t* getPlaylistNode() const;
+
+private:
+
+ playlist_item_t* _playlistNode;
+
+ Container* _parent;
+
+ std::string _objectID;
+ std::string _title;
+ std::vector<Item*> _items;
+ std::vector<Container*> _containers;
+};
+
+
+// VLC callback prototypes
+
+static int Open( vlc_object_t* );
+static void Close( vlc_object_t* );
+static void Run( services_discovery_t *p_sd );
+
+// Module descriptor
+
+vlc_module_begin();
+set_shortname( "UPnP" );
+set_description( _( "Universal Plug'n'Play discovery ( Intel SDK )" ) );
+set_category( CAT_PLAYLIST );
+set_subcategory( SUBCAT_PLAYLIST_SD );
+set_capability( "services_discovery", 0 );
+set_callbacks( Open, Close );
+vlc_module_end();
+
+
+// More prototypes...
+
+static Lockable* CallbackLock;
+static int Callback( Upnp_EventType eventType, void* event, void* pCookie );
+
+char* xml_makeSpecialChars( const char* in );
+const char* xml_getChildElementValue( IXML_Element* parent, const char* tagName );
+IXML_Document* parseBrowseResult( IXML_Document* doc );
+
+
+// VLC callbacks...
+
+static int Open( vlc_object_t *p_this )
+{
+ services_discovery_t *p_sd = ( services_discovery_t* )p_this;
+ services_discovery_sys_t *p_sys = ( services_discovery_sys_t * )
+ malloc( sizeof( services_discovery_sys_t ) );
+
+ playlist_view_t *p_view;
+ vlc_value_t val;
+
+ p_sd->pf_run = Run;
+ p_sd->p_sys = p_sys;
+
+ /* Create our playlist node */
+ p_sys->p_playlist = ( playlist_t * )vlc_object_find( p_sd,
+ VLC_OBJECT_PLAYLIST,
+ FIND_ANYWHERE );
+ if( !p_sys->p_playlist )
+ {
+ msg_Warn( p_sd, "unable to find playlist, cancelling UPnP listening" );
+ return VLC_EGENERIC;
+ }
+
+ p_view = playlist_ViewFind( p_sys->p_playlist, VIEW_CATEGORY );
+ p_sys->p_node = playlist_NodeCreate( p_sys->p_playlist, VIEW_CATEGORY,
+ "UPnP", p_view->p_root );
+ p_sys->p_node->i_flags |= PLAYLIST_RO_FLAG;
+ p_sys->p_node->i_flags &= ~PLAYLIST_SKIP_FLAG;
+ val.b_bool = VLC_TRUE;
+ var_Set( p_sys->p_playlist, "intf-change", val );
+
+ return VLC_SUCCESS;
+}
+
+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;
+
+ if( p_sys->p_playlist )
+ {
+ playlist_NodeDelete( p_sys->p_playlist, p_sys->p_node, VLC_TRUE,
+ VLC_TRUE );
+ vlc_object_release( p_sys->p_playlist );
+ }
+
+ free( p_sys );
+}
+
+static void Run( services_discovery_t* p_sd )
+{
+ int res;
+
+ res = UpnpInit( 0, 0 );
+ if( res != UPNP_E_SUCCESS )
+ {
+ msg_Err( p_sd, "%s", UpnpGetErrorMessage( res ) );
+ return;
+ }
+
+ Cookie cookie;
+ cookie.serviceDiscovery = p_sd;
+ cookie.serverList = new MediaServerList( &cookie );
+
+ CallbackLock = new Lockable( &cookie );
+
+ res = UpnpRegisterClient( Callback, &cookie, &cookie.clientHandle );
+ if( res != UPNP_E_SUCCESS )
+ {
+ msg_Err( p_sd, "%s", UpnpGetErrorMessage( res ) );
+ goto shutDown;
+ }
+
+ res = UpnpSearchAsync( cookie.clientHandle, 5, MEDIA_SERVER_DEVICE_TYPE, &cookie );
+ if( res != UPNP_E_SUCCESS )
+ {
+ msg_Err( p_sd, "%s", UpnpGetErrorMessage( res ) );
+ goto shutDown;
+ }
+
+ msg_Dbg( p_sd, "UPnP discovery started" );
+ while( !p_sd->b_die )
+ {
+ msleep( 500 );
+ }
+
+ msg_Dbg( p_sd, "UPnP discovery stopped" );
+
+ shutDown:
+ UpnpFinish();
+ delete cookie.serverList;
+ delete CallbackLock;
+}
+
+
+// XML utility functions:
+
+// Returns the value of a child element, or 0 on error
+const char* xml_getChildElementValue( IXML_Element* parent, const char* tagName )
+{
+ if ( !parent ) return 0;
+ if ( !tagName ) return 0;
+
+ char* s = strdup( tagName );
+ IXML_NodeList* nodeList = ixmlElement_getElementsByTagName( parent, s );
+ free( s );
+ if ( !nodeList ) return 0;
+
+ IXML_Node* element = ixmlNodeList_item( nodeList, 0 );
+ ixmlNodeList_free( nodeList );
+ if ( !element ) return 0;
+
+ IXML_Node* textNode = ixmlNode_getFirstChild( element );
+ if ( !textNode ) return 0;
+
+ return ixmlNode_getNodeValue( textNode );
+}
+
+
+// Replaces "<" with "<" etc.
+// Returns a newly created string that has to be freed by the caller.
+// Returns 0 on error ( out of mem )
+// \TODO: Probably not very robust!!!
+char* xml_makeSpecialChars( const char* in )
+{
+ if ( !in ) return 0;
+
+ char* result = ( char* )malloc( strlen( in ) + 1 );
+ if ( !result ) return 0;
+
+ char* out = result;
+
+ while( *in )
+ {
+ if ( strncmp( "&", in, 5 ) == 0 )
+ {
+ *out = '&';
+
+ in += 5;
+ out++;
+ }
+ else if ( strncmp( """, in, 6 ) == 0 )
+ {
+ *out = '"';
+
+ in += 6;
+ out++;
+ }
+ else if ( strncmp( ">", in, 4 ) == 0 )
+ {
+ *out = '>';
+
+ in += 4;
+ out++;
+ }
+ else if ( strncmp( "<", in, 4 ) == 0 )
+ {
+ *out = '<';
+
+ in += 4;
+ out++;
+ }
+ else
+ {
+ *out = *in;
+
+ in++;
+ out++;
+ }
+ }
+
+ *out = '\0';
+ return result;
+}
+
+
+// Extracts the result document from a SOAP response
+IXML_Document* parseBrowseResult( IXML_Document* doc )
+{
+ if ( !doc ) return 0;
+
+ IXML_NodeList* resultList = ixmlDocument_getElementsByTagName( doc, "Result" );
+ if ( !resultList ) return 0;
+
+ IXML_Node* resultNode = ixmlNodeList_item( resultList, 0 );
+
+ ixmlNodeList_free( resultList );
+
+ if ( !resultNode ) return 0;
+
+ IXML_Node* textNode = ixmlNode_getFirstChild( resultNode );
+ if ( !textNode ) return 0;
+
+ const char* resultString = ixmlNode_getNodeValue( textNode );
+ char* resultXML = xml_makeSpecialChars( resultString );
+
+ IXML_Document* browseDoc = ixmlParseBuffer( resultXML );
+
+ free( resultXML );
+
+ return browseDoc;
+}
+
+
+// Handles all UPnP events
+static int Callback( Upnp_EventType eventType, void* event, void* pCookie )
+{
+ Locker locker( CallbackLock );
+
+ Cookie* cookie = ( Cookie* )pCookie;
+
+ switch( eventType ) {
+
+ case UPNP_DISCOVERY_ADVERTISEMENT_ALIVE:
+ case UPNP_DISCOVERY_SEARCH_RESULT:
+ {
+ struct Upnp_Discovery* discovery = ( struct Upnp_Discovery* )event;
+
+ IXML_Document *descriptionDoc = 0;
+
+ int res;
+ res = UpnpDownloadXmlDoc( discovery->Location, &descriptionDoc );
+ if ( res != UPNP_E_SUCCESS )
+ {
+ msg_Dbg( cookie->serviceDiscovery, "%s:%d: Could not download device description!", __FILE__, __LINE__ );
+ return res;
+ }
+
+ MediaServer::parseDeviceDescription( descriptionDoc, discovery->Location, cookie );
+
+ ixmlDocument_free( descriptionDoc );
+ }
+ break;
+
+ case UPNP_DISCOVERY_ADVERTISEMENT_BYEBYE:
+ {
+ struct Upnp_Discovery* discovery = ( struct Upnp_Discovery* )event;
+
+ cookie->serverList->removeServer( discovery->DeviceId );
+ }
+ break;
+
+ case UPNP_EVENT_RECEIVED:
+ {
+ Upnp_Event* e = ( Upnp_Event* )event;
+
+ MediaServer* server = cookie->serverList->getServerBySID( e->Sid );
+ if ( server ) server->fetchContents();
+ }
+ break;
+
+ case UPNP_EVENT_AUTORENEWAL_FAILED:
+ case UPNP_EVENT_SUBSCRIPTION_EXPIRED:
+ {
+ // Re-subscribe...
+
+ Upnp_Event_Subscribe* s = ( Upnp_Event_Subscribe* )event;
+
+ MediaServer* server = cookie->serverList->getServerBySID( s->Sid );
+ if ( server ) server->subscribeToContentDirectory();
+ }
+ break;
+
+ default:
+ msg_Dbg( cookie->serviceDiscovery, "%s:%d: DEBUG: UNHANDLED EVENT ( TYPE=%d )", __FILE__, __LINE__, eventType );
+ break;
+ }
+
+ return UPNP_E_SUCCESS;
+}
+
+
+// Class implementations...
+
+// MediaServer...
+
+void MediaServer::parseDeviceDescription( IXML_Document* doc, const char* location, Cookie* cookie )
+{
+ if ( !doc ) { msg_Dbg( cookie->serviceDiscovery, "%s:%d: NULL", __FILE__, __LINE__ ); return; }
+ if ( !location ) { msg_Dbg( cookie->serviceDiscovery, "%s:%d: NULL", __FILE__, __LINE__ ); return; }
+
+ const char* baseURL = location;
+
+ // Try to extract baseURL
+
+ IXML_NodeList* urlList = ixmlDocument_getElementsByTagName( doc, "baseURL" );
+ if ( urlList )
+ {
+ if ( IXML_Node* urlNode = ixmlNodeList_item( urlList, 0 ) )
+ {
+ IXML_Node* textNode = ixmlNode_getFirstChild( urlNode );
+ if ( textNode ) baseURL = ixmlNode_getNodeValue( textNode );
+ }
+
+ ixmlNodeList_free( urlList );
+ }
+
+ // Get devices
+
+ IXML_NodeList* deviceList = ixmlDocument_getElementsByTagName( doc, "device" );
+ if ( deviceList )
+ {
+
+ for ( unsigned int i = 0; i < ixmlNodeList_length( deviceList ); i++ )
+ {
+ IXML_Element* deviceElement = ( IXML_Element* )ixmlNodeList_item( deviceList, i );
+
+ const char* deviceType = xml_getChildElementValue( deviceElement, "deviceType" );
+ if ( !deviceType ) { msg_Dbg( cookie->serviceDiscovery, "%s:%d: no deviceType!", __FILE__, __LINE__ ); continue; }
+ if ( strcmp( MEDIA_SERVER_DEVICE_TYPE, deviceType ) != 0 ) continue;
+
+ const char* UDN = xml_getChildElementValue( deviceElement, "UDN" );
+ if ( !UDN ) { msg_Dbg( cookie->serviceDiscovery, "%s:%d: no UDN!", __FILE__, __LINE__ ); continue; }
+ if ( cookie->serverList->getServer( UDN ) != 0 ) continue;
+
+ const char* friendlyName = xml_getChildElementValue( deviceElement, "friendlyName" );
+ if ( !friendlyName ) { msg_Dbg( cookie->serviceDiscovery, "%s:%d: no friendlyName!", __FILE__, __LINE__ ); continue; }
+
+ MediaServer* server = new MediaServer( UDN, friendlyName, cookie );
+ if ( !cookie->serverList->addServer( server ) ) {
+
+ delete server;
+ server = 0;
+ continue;
+ }
+
+ // Check for ContentDirectory service...
+
+ IXML_NodeList* serviceList = ixmlElement_getElementsByTagName( deviceElement, "service" );
+ if ( serviceList )
+ {
+ for ( unsigned int j = 0; j < ixmlNodeList_length( serviceList ); j++ )
+ {
+ IXML_Element* serviceElement = ( IXML_Element* )ixmlNodeList_item( serviceList, j );
+
+ const char* serviceType = xml_getChildElementValue( serviceElement, "serviceType" );
+ if ( !serviceType ) continue;
+ if ( strcmp( CONTENT_DIRECTORY_SERVICE_TYPE, serviceType ) != 0 ) continue;
+
+ const char* eventSubURL = xml_getChildElementValue( serviceElement, "eventSubURL" );
+ if ( !eventSubURL ) continue;
+
+ const char* controlURL = xml_getChildElementValue( serviceElement, "controlURL" );
+ if ( !controlURL ) continue;
+
+ // Try to subscribe to ContentDirectory service
+
+ char* url = ( char* )malloc( strlen( baseURL ) + strlen( eventSubURL ) + 1 );
+ if ( url )
+ {
+ char* s1 = strdup( baseURL );
+ char* s2 = strdup( eventSubURL );
+
+ if ( UpnpResolveURL( s1, s2, url ) == UPNP_E_SUCCESS )
+ {
+ // msg_Dbg( cookie->serviceDiscovery, "CDS EVENT URL: %s", url );
+
+ server->setContentDirectoryEventURL( url );
+ server->subscribeToContentDirectory();
+ }
+
+ free( s1 );
+ free( s2 );
+ free( url );
+ }
+
+ // Try to browse content directory...
+
+ url = ( char* )malloc( strlen( baseURL ) + strlen( controlURL ) + 1 );
+ if ( url )
+ {
+ char* s1 = strdup( baseURL );
+ char* s2 = strdup( controlURL );
+
+ if ( UpnpResolveURL( s1, s2, url ) == UPNP_E_SUCCESS )
+ {
+ // msg_Dbg( cookie->serviceDiscovery, "CDS CTRL URL: %s", url );
+
+ server->setContentDirectoryControlURL( url );
+ server->fetchContents();
+ }
+
+ free( s1 );
+ free( s2 );
+ free( url );
+ }
+ }
+
+ ixmlNodeList_free( serviceList );
+ }
+ }
+
+ ixmlNodeList_free( deviceList );
+ }
+}
+
+MediaServer::MediaServer( const char* UDN, const char* friendlyName, Cookie* cookie )
+{
+ _cookie = cookie;
+
+ _UDN = UDN;
+ _friendlyName = friendlyName;
+
+ _contents = 0;
+ _playlistNode = 0;
+}
+
+MediaServer::~MediaServer()
+{
+ if ( _contents )
+ {
+ playlist_NodeDelete( _cookie->serviceDiscovery->p_sys->p_playlist,
+ _playlistNode,
+ true,
+ true );
+ }
+
+ delete _contents;
+}
+
+const char* MediaServer::getUDN() const
+{
+ const char* s = _UDN.c_str();
+ return s;
+}
+
+const char* MediaServer::getFriendlyName() const
+{
+ const char* s = _friendlyName.c_str();
+ return s;
+}
+
+void MediaServer::setContentDirectoryEventURL( const char* url )
+{
+ _contentDirectoryEventURL = url;
+}
+
+const char* MediaServer::getContentDirectoryEventURL() const
+{
+ const char* s = _contentDirectoryEventURL.c_str();
+ return s;
+}
+
+void MediaServer::setContentDirectoryControlURL( const char* url )
+{
+ _contentDirectoryControlURL = url;
+}
+
+const char* MediaServer::getContentDirectoryControlURL() const
+{
+ return _contentDirectoryControlURL.c_str();
+}
+
+void MediaServer::subscribeToContentDirectory()
+{
+ const char* url = getContentDirectoryEventURL();
+ if ( !url || strcmp( url, "" ) == 0 )
+ {
+ msg_Dbg( _cookie->serviceDiscovery, "No subscription url set!" );
+ return;
+ }
+
+ int timeOut = 1810;
+ Upnp_SID sid;
+
+ int res = UpnpSubscribe( _cookie->clientHandle, url, &timeOut, sid );
+
+ if ( res == UPNP_E_SUCCESS )
+ {
+ _subscriptionTimeOut = timeOut;
+ memcpy( _subscriptionID, sid, sizeof( Upnp_SID ) );
+ }
+ else
+ {
+ msg_Dbg( _cookie->serviceDiscovery, "%s:%d: WARNING: '%s': %s", __FILE__, __LINE__, getFriendlyName(), UpnpGetErrorMessage( res ) );
+ }
+}
+
+IXML_Document* MediaServer::_browseAction( const char* pObjectID, const char* pBrowseFlag, const char* pFilter,
+ const char* pStartingIndex, const char* pRequestedCount, const char* pSortCriteria )
+{
+ IXML_Document* action = 0;
+ IXML_Document* response = 0;
+
+ const char* url = getContentDirectoryControlURL();
+ if ( !url || strcmp( url, "" ) == 0 ) { msg_Dbg( _cookie->serviceDiscovery, "No subscription url set!" ); return 0; }
+
+ char* ObjectID = strdup( pObjectID );
+ char* BrowseFlag = strdup( pBrowseFlag );
+ char* Filter = strdup( pFilter );
+ char* StartingIndex = strdup( pStartingIndex );
+ char* RequestedCount = strdup( pRequestedCount );
+ char* SortCriteria = strdup( pSortCriteria );
+
+ char* serviceType = strdup( CONTENT_DIRECTORY_SERVICE_TYPE );
+
+ int res;
+
+ res = UpnpAddToAction( &action, "Browse", serviceType, "ObjectID", ObjectID );
+ if ( res != UPNP_E_SUCCESS ) { /* msg_Dbg( _cookie->serviceDiscovery, "%s:%d: ERROR: %s", __FILE__, __LINE__, UpnpGetErrorMessage( res ) ); */ goto browseActionCleanup; }
+
+ res = UpnpAddToAction( &action, "Browse", serviceType, "BrowseFlag", BrowseFlag );
+ if ( res != UPNP_E_SUCCESS ) { /* msg_Dbg( _cookie->serviceDiscovery, "%s:%d: ERROR: %s", __FILE__, __LINE__, UpnpGetErrorMessage( res ) ); */ goto browseActionCleanup; }
+
+ res = UpnpAddToAction( &action, "Browse", serviceType, "Filter", Filter );
+ if ( res != UPNP_E_SUCCESS ) { /* msg_Dbg( _cookie->serviceDiscovery, "%s:%d: ERROR: %s", __FILE__, __LINE__, UpnpGetErrorMessage( res ) ); */ goto browseActionCleanup; }
+
+ res = UpnpAddToAction( &action, "Browse", serviceType, "StartingIndex", StartingIndex );
+ if ( res != UPNP_E_SUCCESS ) { /* msg_Dbg( _cookie->serviceDiscovery, "%s:%d: ERROR: %s", __FILE__, __LINE__, UpnpGetErrorMessage( res ) ); */ goto browseActionCleanup; }
+
+ res = UpnpAddToAction( &action, "Browse", serviceType, "RequestedCount", RequestedCount );
+ if ( res != UPNP_E_SUCCESS ) { /* msg_Dbg( _cookie->serviceDiscovery, "%s:%d: ERROR: %s", __FILE__, __LINE__, UpnpGetErrorMessage( res ) ); */ goto browseActionCleanup; }
+
+ res = UpnpAddToAction( &action, "Browse", serviceType, "SortCriteria", SortCriteria );
+ if ( res != UPNP_E_SUCCESS ) { /* msg_Dbg( _cookie->serviceDiscovery, "%s:%d: ERROR: %s", __FILE__, __LINE__, UpnpGetErrorMessage( res ) ); */ goto browseActionCleanup; }
+
+ res = UpnpSendAction( _cookie->clientHandle,
+ url,
+ CONTENT_DIRECTORY_SERVICE_TYPE,
+ 0,
+ action,
+ &response );
+ if ( res != UPNP_E_SUCCESS )
+ {
+ msg_Dbg( _cookie->serviceDiscovery, "%s:%d: ERROR: %s", __FILE__, __LINE__, UpnpGetErrorMessage( res ) );
+ ixmlDocument_free( response );
+ response = 0;
+ }
+
+ browseActionCleanup:
+
+ free( ObjectID );
+ free( BrowseFlag );
+ free( Filter );
+ free( StartingIndex );
+ free( RequestedCount );
+ free( SortCriteria );
+
+ free( serviceType );
+
+ ixmlDocument_free( action );
+ return response;
+}
+
+void MediaServer::fetchContents()
+{
+ Container* root = new Container( 0, "0", getFriendlyName() );
+ _fetchContents( root );
+
+ if ( _contents )
+ {
+ vlc_mutex_lock( &_cookie->serviceDiscovery->p_sys->p_playlist->object_lock );
+
+ playlist_NodeEmpty( _cookie->serviceDiscovery->p_sys->p_playlist,
+ _playlistNode,
+ true );
+
+ vlc_mutex_unlock( &_cookie->serviceDiscovery->p_sys->p_playlist->object_lock );
+
+ delete _contents;
+ }
+
+ _contents = root;
+ _contents->setPlaylistNode( _playlistNode );
+
+ _buildPlaylist( _contents );
+}
+
+bool MediaServer::_fetchContents( Container* parent )
+{
+ if (!parent) { msg_Dbg( _cookie->serviceDiscovery, "%s:%d: parent==NULL", __FILE__, __LINE__ ); return false; }
+
+ IXML_Document* response = _browseAction( parent->getObjectID(), "BrowseDirectChildren", "*", "0", "0", "" );
+ if ( !response ) { msg_Dbg( _cookie->serviceDiscovery, "%s:%d: ERROR!", __FILE__, __LINE__ ); return false; }
+
+ IXML_Document* result = parseBrowseResult( response );
+ ixmlDocument_free( response );
+ if ( !result ) { msg_Dbg( _cookie->serviceDiscovery, "%s:%d: ERROR!", __FILE__, __LINE__ ); return false; }
+
+ IXML_NodeList* containerNodeList = ixmlDocument_getElementsByTagName( result, "container" );
+ if ( containerNodeList )
+ {
+ for ( unsigned int i = 0; i < ixmlNodeList_length( containerNodeList ); i++ )
+ {
+ IXML_Element* containerElement = ( IXML_Element* )ixmlNodeList_item( containerNodeList, i );
+
+ const char* objectID = ixmlElement_getAttribute( containerElement, "id" );
+ if ( !objectID ) continue;
+
+ const char* childCountStr = ixmlElement_getAttribute( containerElement, "childCount" );
+ if ( !childCountStr ) continue;
+ int childCount = atoi( childCountStr );
+
+ const char* title = xml_getChildElementValue( containerElement, "dc:title" );
+ if ( !title ) continue;
+
+ const char* resource = xml_getChildElementValue( containerElement, "res" );
+
+ if ( resource && childCount < 1 )
+ {
+ Item* item = new Item( parent, objectID, title, resource );
+ parent->addItem( item );
+ }
+ else
+ {
+ Container* container = new Container( parent, objectID, title );
+ parent->addContainer( container );
+
+ if ( childCount > 0 ) _fetchContents( container );
+ }
+ }
+
+ ixmlNodeList_free( containerNodeList );
+ }
+
+ IXML_NodeList* itemNodeList = ixmlDocument_getElementsByTagName( result, "item" );
+ if ( itemNodeList )
+ {
+ for ( unsigned int i = 0; i < ixmlNodeList_length( itemNodeList ); i++ )
+ {
+ IXML_Element* itemElement = ( IXML_Element* )ixmlNodeList_item( itemNodeList, i );
+
+ const char* objectID = ixmlElement_getAttribute( itemElement, "id" );
+ if ( !objectID ) continue;
+
+ const char* title = xml_getChildElementValue( itemElement, "dc:title" );
+ if ( !title ) continue;
+
+ const char* resource = xml_getChildElementValue( itemElement, "res" );
+ if ( !resource ) continue;
+
+ Item* item = new Item( parent, objectID, title, resource );
+ parent->addItem( item );
+ }
+
+ ixmlNodeList_free( itemNodeList );
+ }
+
+ ixmlDocument_free( result );
+
+ return true;
+}
+
+void MediaServer::_buildPlaylist( Container* parent )
+{
+ for ( unsigned int i = 0; i < parent->getNumContainers(); i++ )
+ {
+ Container* container = parent->getContainer( i );
+ playlist_item_t* parentNode = parent->getPlaylistNode();
+
+ char* title = strdup( container->getTitle() );
+ playlist_item_t* node = playlist_NodeCreate( _cookie->serviceDiscovery->p_sys->p_playlist,
+ VIEW_CATEGORY,
+ title,
+ parentNode );
+ free( title );
+
+ container->setPlaylistNode( node );
+ _buildPlaylist( container );
+ }
+
+ for ( unsigned int i = 0; i < parent->getNumItems(); i++ )
+ {
+ Item* item = parent->getItem( i );
+ playlist_item_t* parentNode = parent->getPlaylistNode();
+
+ playlist_item_t* node = playlist_ItemNew( _cookie->serviceDiscovery,
+ item->getResource(),
+ item->getTitle() );
+
+ playlist_NodeAddItem( _cookie->serviceDiscovery->p_sys->p_playlist,
+ node,
+ VIEW_CATEGORY,
+ parentNode, PLAYLIST_APPEND, PLAYLIST_END );
+
+ item->setPlaylistNode( node );
+ }
+}
+
+void MediaServer::setPlaylistNode( playlist_item_t* playlistNode )
+{
+ _playlistNode = playlistNode;
+}
+
+bool MediaServer::compareSID( const char* sid )
+{
+ return ( strncmp( _subscriptionID, sid, sizeof( Upnp_SID ) ) == 0 );
+}
+
+
+// MediaServerList...
+
+MediaServerList::MediaServerList( Cookie* cookie )
+{
+ _cookie = cookie;
+}
+
+MediaServerList::~MediaServerList()
+{
+ for ( unsigned int i = 0; i < _list.size(); i++ )
+ {
+ delete _list[i];
+ }
+}
+
+bool MediaServerList::addServer( MediaServer* s )
+{
+ if ( getServer( s->getUDN() ) != 0 ) return false;
+
+ msg_Dbg( _cookie->serviceDiscovery, "Adding server '%s'", s->getFriendlyName() );
+
+ _list.push_back( s );
+
+ char* name = strdup( s->getFriendlyName() );
+ playlist_item_t* node = playlist_NodeCreate( _cookie->serviceDiscovery->p_sys->p_playlist,
+ VIEW_CATEGORY,
+ name,
+ _cookie->serviceDiscovery->p_sys->p_node );
+ free( name );
+ s->setPlaylistNode( node );
+
+ return true;
+}
+
+MediaServer* MediaServerList::getServer( const char* UDN )
+{
+ MediaServer* result = 0;
+
+ for ( unsigned int i = 0; i < _list.size(); i++ )
+ {
+ if( strcmp( UDN, _list[i]->getUDN() ) == 0 )
+ {
+ result = _list[i];
+ break;
+ }
+ }
+
+ return result;
+}
+
+MediaServer* MediaServerList::getServerBySID( const char* sid )
+{
+ MediaServer* server = 0;
+
+ for ( unsigned int i = 0; i < _list.size(); i++ )
+ {
+ if ( _list[i]->compareSID( sid ) )
+ {
+ server = _list[i];
+ break;
+ }
+ }
+
+ return server;
+}
+
+void MediaServerList::removeServer( const char* UDN )
+{
+ MediaServer* server = getServer( UDN );
+ if ( !server ) return;
+
+ msg_Dbg( _cookie->serviceDiscovery, "Removing server '%s'", server->getFriendlyName() );
+
+ std::vector<MediaServer*>::iterator it;
+ for ( it = _list.begin(); it != _list.end(); it++ )
+ {
+ if ( *it == server )
+ {
+ _list.erase( it );
+ delete server;
+ break;
+ }
+ }
+}
+
+
+// Item...
+
+Item::Item( Container* parent, const char* objectID, const char* title, const char* resource )
+{
+ _parent = parent;
+
+ _objectID = objectID;
+ _title = title;
+ _resource = resource;
+
+ _playlistNode = 0;
+}
+
+const char* Item::getObjectID() const
+{
+ return _objectID.c_str();
+}
+
+const char* Item::getTitle() const
+{
+ return _title.c_str();
+}
+
+const char* Item::getResource() const
+{
+ return _resource.c_str();
+}
+
+void Item::setPlaylistNode( playlist_item_t* node )
+{
+ _playlistNode = node;
+}
+
+playlist_item_t* Item::getPlaylistNode() const
+{
+ return _playlistNode;
+}
+
+
+// Container...
+
+Container::Container( Container* parent, const char* objectID, const char* title )
+{
+ _parent = parent;
+
+ _objectID = objectID;
+ _title = title;
+
+ _playlistNode = 0;
+}
+
+Container::~Container()
+{
+ for ( unsigned int i = 0; i < _containers.size(); i++ )
+ {
+ delete _containers[i];
+ }
+
+ for ( unsigned int i = 0; i < _items.size(); i++ )
+ {
+ delete _items[i];
+ }
+}
+
+void Container::addItem( Item* item )
+{
+ _items.push_back( item );
+}
+
+void Container::addContainer( Container* container )
+{
+ _containers.push_back( container );
+}
+
+const char* Container::getObjectID() const
+{
+ return _objectID.c_str();
+}
+
+const char* Container::getTitle() const
+{
+ return _title.c_str();
+}
+
+unsigned int Container::getNumItems() const
+{
+ return _items.size();
+}
+
+unsigned int Container::getNumContainers() const
+{
+ return _containers.size();
+}
+
+Item* Container::getItem( unsigned int i ) const
+{
+ if ( i < _items.size() ) return _items[i];
+ return 0;
+}
+
+Container* Container::getContainer( unsigned int i ) const
+{
+ if ( i < _containers.size() ) return _containers[i];
+ return 0;
+}
+
+void Container::setPlaylistNode( playlist_item_t* node )
+{
+ _playlistNode = node;
+}
+
+playlist_item_t* Container::getPlaylistNode() const
+{
+ return _playlistNode;
+}