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A standalone RTMP client library ported from the Red5 project
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package org.red5.server;

/*
 * RED5 Open Source Flash Server - http://code.google.com/p/red5/
 * 
 * Copyright (c) 2006-2010 by respective authors (see below). All rights reserved.
 * 
 * This library is free software; you can redistribute it and/or modify it under the 
 * terms of the GNU Lesser General Public License as published by the Free Software 
 * Foundation; either version 2.1 of the License, or (at your option) any later 
 * version. 
 * 
 * This library 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License along 
 * with this library; if not, write to the Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 */

import java.util.Collection;
import java.util.Map;
import java.util.Set;

//import org.red5.server.adapter.IApplication;

/**
 * The client object represents a single client. One client may have multiple
 * connections to different scopes on the same host. In some ways the client
 * object is like a HTTP session. You can create IClient objects with
 * {@link IClientRegistry#newClient(Object[])}
 * 
 * 
 * NOTE: I removed session, since client serves the same purpose as a client
 * with attributes
 * 
 * @author The Red5 Project ([email protected])
 * @author Luke Hubbard ([email protected])
 */
public interface IClient extends IAttributeStore {

	/**
	 * The key used to store the client object in a http session.
	 */
	public static final String ID = "red5.client";

    /**
     * Sets the clients id
     * @param id client id
     */
    public void setId(String id);

	/**
	 * Get the unique ID for this client.  This will be generated by the server
	 * if not passed upon connection from client-side Flex/Flash app. To assign a custom ID to the client use
	 * params object of
	 * {@link IApplication#appConnect(IConnection, Object[])} method, that
	 * contains 2nd all the rest values you pass to
	 * NetConnection.connect method.
	 * 
	 * Example:
	 * 
	 * At client side:
	 * NetConnection.connect( "http://localhost/killerapp/", "user123" );
	 * 
	 * then at server side: 
	 * public boolean appConnect( IConnection connection, Object[] params ){

	 * 		try {
	 * 			connection.getClient().setId( (String) params[0] );
	 * 		} catch(Exception e){

	 * 			log.error("{}", e);
	 * 		}
	 * }
	 * 
	 * 
	 * @return client id
	 */
	public String getId();

	/**
	 * Get the creation time for this client object.
	 * 
	 * @return Creation time in milliseconds
	 */
	public long getCreationTime();

	/**
	 * Get a set of scopes the client is connected to.
	 * 
	 * @return Set of scopes
	 */
//	public Collection getScopes();

	/**
	 * Get a set of connections.
	 * 
	 * @return Set of connections
	 */
	public Set getConnections();

	/**
	 * Get a set of connections of a given scope.
	 * 
	 * @param scope scope to get connections for
	 * @return Set of connections to the passed scope
	 */
//	public Set getConnections(IScope scope);

	/**
	 * Closes all the connections.
	 */
	public void disconnect();

	/**
	 * Set the permissions for this client in a given context.
	 * 
	 * @param conn Connection specifying the context to set the permissions for. 
	 * @param permissions Permissions the client has in this context or null for no permissions.
	 */
	public void setPermissions(IConnection conn, Collection permissions);

	/**
	 * Return the permissions in a given context. 
	 * 
	 * @param conn Connection specifying the context to get the permissions for.
	 * @return Permission names.
	 */
	public Collection getPermissions(IConnection conn);
	
	/**
	 * Check if the client has a permission in the given context.
	 * 
	 * @param conn Connection specifying the context to check the permissions for.
	 * @param permissionName Name of the permission to check.
	 * @return true if the client has the permission, otherwise false
	 */
	public boolean hasPermission(IConnection conn, String permissionName);
	
	/**
	 * Performs a bandwidth checking routine.
	 * Information may be found here: http://www.adobe.com/devnet/flashmediaserver/articles/dynamic_stream_switching_04.html
	 */
	public void checkBandwidth();
	
	/**
	 * Performs a bandwidth checking callback for the client.
	 * Information may be found here: http://www.adobe.com/devnet/flashmediaserver/articles/dynamic_stream_switching_04.html
	 */
	public Map checkBandwidthUp(Object[] params);
	
}