added (so far mostly empty) WebStorageClient
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fgerlits
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6fb2c1b578
8 changed files with 1463 additions and 8 deletions
331
livesupport/modules/storage/src/WebStorageClient.h
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331
livesupport/modules/storage/src/WebStorageClient.h
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/*------------------------------------------------------------------------------
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Copyright (c) 2004 Media Development Loan Fund
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This file is part of the LiveSupport project.
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http://livesupport.campware.org/
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To report bugs, send an e-mail to bugs@campware.org
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LiveSupport is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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LiveSupport is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with LiveSupport; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Author : $Author: fgerlits $
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Version : $Revision: 1.1 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storage/src/WebStorageClient.h,v $
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------------------------------------------------------------------------------*/
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#ifndef WebStorageClient_h
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#define WebStorageClient_h
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#ifndef __cplusplus
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#error This is a C++ include file
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#endif
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/* ============================================================ include files */
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#ifdef HAVE_CONFIG_H
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#include "configure.h"
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#endif
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#include <stdexcept>
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#include "LiveSupport/Core/Ptr.h"
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#include "LiveSupport/Core/UniqueId.h"
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#include "LiveSupport/Core/Playlist.h"
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#include "LiveSupport/Core/Configurable.h"
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#include "LiveSupport/Core/StorageClientInterface.h"
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namespace LiveSupport {
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namespace Storage {
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using namespace LiveSupport;
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using namespace LiveSupport::Core;
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/* ================================================================ constants */
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/* =================================================================== macros */
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/* =============================================================== data types */
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/**
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* An interface to the (possibly remote) php storage server.
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*
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* @author $Author: fgerlits $
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* @version $Revision: 1.1 $
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*/
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class WebStorageClient :
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virtual public Configurable,
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virtual public StorageClientInterface
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{
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private:
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/**
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* The name of the configuration XML elmenent used by WebStorageClient
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*/
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static const std::string configElementNameStr;
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/**
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* The map type containing the playlists by their ids.
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*/
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typedef std::map<const UniqueId::IdType, Ptr<Playlist>::Ref>
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PlaylistMap;
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/**
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* The map holding all contained playlists, by ids.
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*/
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PlaylistMap playlistMap;
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/**
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* The map type containing the audio clips by their ids.
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*/
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typedef std::map<const UniqueId::IdType, Ptr<AudioClip>::Ref>
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AudioClipMap;
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/**
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* The map holding all contained audio clips, by ids.
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*/
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AudioClipMap audioClipMap;
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/**
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* The path where the temporary SMIL files are strored.
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*/
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std::string localTempStorage;
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/**
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* The name of the storage server, e.g. "myserver.mycompany.com".
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*/
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std::string storageServerName;
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/**
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* The port wher the storage server is listening (default is 80).
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*/
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int storageServerPort;
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/**
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* The login name to the storage server.
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*/
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std::string loginName;
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/**
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* The password to the storage server.
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*/
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std::string password;
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public:
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/**
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* A virtual destructor, as this class has virtual functions.
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*/
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virtual
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~WebStorageClient(void) throw ()
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{
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}
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/**
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* Return the name of the XML element this object expects
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* to be sent to a call to configure().
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*
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* @return the name of the expected XML configuration element.
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*/
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static const std::string
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getConfigElementName(void) throw ()
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{
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return configElementNameStr;
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}
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/**
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* Configure the object based on the XML element supplied.
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*
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* @param element the XML element to configure the object from.
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* @exception std::invalid_argument if the supplied XML element
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* contains bad configuraiton information
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* @exception std::logic_error if the scheduler daemon has already
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* been configured, and can not be reconfigured.
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*/
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virtual void
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configure(const xmlpp::Element & element)
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throw (std::invalid_argument,
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std::logic_error);
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/**
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* Tell if a playlist with a given id exists.
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*
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* @param id the id of the playlist to check for.
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* @return true if a playlist with the specified id exists,
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* false otherwise.
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*/
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virtual const bool
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existsPlaylist(Ptr<const UniqueId>::Ref id) const
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throw ();
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/**
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* Return a playlist with the specified id.
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*
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* @param id the id of the playlist to return.
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* @return the requested playlist.
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* @exception std::invalid_argument if no playlist with the specified
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* id exists.
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*/
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virtual Ptr<Playlist>::Ref
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getPlaylist(Ptr<const UniqueId>::Ref id) const
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throw (std::invalid_argument);
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/**
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* Acquire the resources for the playlist.
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*
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* The Playlist returned has a uri field (read using getUri())
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* which points to a playable SMIL file. This URI is a random string
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* appended to the temp storage path read from the configuration file,
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* plus a ".smil" extension.
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*
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* @param id the id of the playlist to acquire.
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* @return a new Playlist instance containing a uri field which
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* points to an executable (playable) SMIL representation of
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* the playlist (in the local storage).
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* @exception std::invalid_argument if no playlist with the specified
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* specified id exists.
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*/
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virtual Ptr<Playlist>::Ref
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acquirePlaylist(Ptr<const UniqueId>::Ref id) const
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throw (std::logic_error);
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/**
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* Release the resources (audio clips, other playlists) used
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* in a playlist. The uri of the playlist is no longer valid, and
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* the uri field is deleted.
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*
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* @param playlist the playlist to release.
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* @exception std::logic_error if the playlist has no uri field,
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* or the file does not exist, etc.
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*/
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virtual void
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releasePlaylist(Ptr<Playlist>::Ref playlist) const
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throw (std::logic_error);
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/**
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* Delete the playlist with the specified id.
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*
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* @param id the id of the playlist to be deleted.
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* @exception std::invalid_argument if no playlist with the specified
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* id exists.
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*/
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virtual void
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deletePlaylist(Ptr<const UniqueId>::Ref id)
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throw (std::invalid_argument);
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/**
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* Return a list of all playlists in the playlist store.
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*
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* @return a vector containing the playlists.
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*/
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virtual Ptr<std::vector<Ptr<Playlist>::Ref> >::Ref
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getAllPlaylists(void) const throw ();
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/**
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* Create a new playlist.
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*
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* @return the newly created playlist.
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*/
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virtual Ptr<Playlist>::Ref
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createPlaylist() throw ();
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/**
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* Tell if an audio clip with a given id exists.
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*
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* @param id the id of the audio clip to check for.
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* @return true if an audio clip with the specified id exists,
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* false otherwise.
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*/
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virtual const bool
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existsAudioClip(Ptr<const UniqueId>::Ref id) const
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throw ();
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/**
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* Return an audio clip with the specified id.
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*
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* @param id the id of the audio clip to return.
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* @return the requested audio clip.
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* @exception std::invalid_argument if no audio clip with the
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* specified id exists.
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*/
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virtual Ptr<AudioClip>::Ref
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getAudioClip(Ptr<const UniqueId>::Ref id) const
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throw (std::invalid_argument);
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/**
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* Acquire the resources for the audio clip with the specified id.
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*
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* Returns an AudioClip instance with a valid uri field, which points
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* to the binary sound file.
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*
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* @param id the id of the audio clip to acquire.
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* @return a new AudioClip instance, containing a uri field which
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* points to (a way of getting) the sound file.
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* @exception std::invalid_argument if no audio clip with the
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* specified id exists.
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*/
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virtual Ptr<AudioClip>::Ref
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acquireAudioClip(Ptr<const UniqueId>::Ref id) const
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throw (std::logic_error);
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/**
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* Release the resource (sound file) used by an audio clip. The
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* uri of the audio clip is no longer valid, and the uri field is
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* deleted.
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*
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* @param id the id of the audio clip to release.
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* @exception std::logic_error if the audio clip has no uri field,
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* or the file does not exist, etc.
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*/
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virtual void
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releaseAudioClip(Ptr<AudioClip>::Ref audioClip) const
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throw (std::logic_error);
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/**
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* Delete the audio clip with the specified id.
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*
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* @param id the id of the audio clip to be deleted.
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* @exception std::invalid_argument if no audio clip with the
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* specified id exists.
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*/
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virtual void
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deleteAudioClip(Ptr<const UniqueId>::Ref id)
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throw (std::invalid_argument);
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/**
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* Return a list of all audio clips in the playlist store.
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*
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* @return a vector containing the audio clips.
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*/
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virtual Ptr<std::vector<Ptr<AudioClip>::Ref> >::Ref
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getAllAudioClips(void) const throw ();
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};
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/* ================================================= external data structures */
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/* ====================================================== function prototypes */
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} // namespace Core
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} // namespace LiveSupport
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#endif // WebStorageClient_h
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