/**
* Copyright (C) 2012 FuseSource, Inc.
* http://fusesource.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.fusesource.hawtdispatch.transport;
import java.io.IOException;
import java.net.SocketAddress;
import java.net.URI;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
import java.util.concurrent.Executor;
import org.fusesource.hawtdispatch.DispatchQueue;
import org.fusesource.hawtdispatch.Task;
/**
* Represents an abstract connection. It can be a client side or server side connection.
*
* @author <a href="http://hiramchirino.com">Hiram Chirino</a>
*/
public interface Transport {
/**
* Starts the service. Executes the onComplete runnable once the service has fully started up.
*
* @param onComplete my be set to null if not interested in a callback.
*/
void start(Runnable onComplete);
/**
* Stops the service. Executes the onComplete runnable once the service has fully stopped.
*
* @param onComplete my be set to null if not interested in a callback.
*/
void stop(Runnable onComplete);
/**
* Starts the service. Executes the onComplete runnable once the service has fully started up.
*
* @param onComplete my be set to null if not interested in a callback.
*/
void start(Task onComplete);
/**
* Stops the service. Executes the onComplete runnable once the service has fully stopped.
*
* @param onComplete my be set to null if not interested in a callback.
*/
void stop(Task onComplete);
boolean full();
/**
* A one way asynchronous send of a command. Only sent if the the transport is not full.
*
* @param command
* @return true if the command was accepted.
*/
boolean offer(Object command);
/**
* Forces a flush of any output buffers. Once the flush completes the listener's
* 'onRefill()' method will execute.
*/
public void flush();
/**
* Returns the current transport listener
*
* @return
*/
TransportListener getTransportListener();
/**
* Registers an inbound command listener
*
* @param transportListener
*/
void setTransportListener(TransportListener transportListener);
/**
* Returns the dispatch queue used by the transport
*
* @return
*/
DispatchQueue getDispatchQueue();
/**
* Sets the dispatch queue used by the transport
*
* @param queue
*/
void setDispatchQueue(DispatchQueue queue);
/**
* suspend delivery of commands.
*/
void suspendRead();
/**
* resume delivery of commands.
*/
void resumeRead();
/**
* @return the remote address for this connection
*/
SocketAddress getRemoteAddress();
/**
* @return the remote address for this connection
*/
SocketAddress getLocalAddress();
public void drainInbound();
/**
* @return true if the transport is closed/stopped.
*/
boolean isClosed();
/**
* @return true if the transport is connected
*/
boolean isConnected();
/**
* @return The protocol codec for the transport.
*/
ProtocolCodec getProtocolCodec();
/**
* Sets the protocol codec for the transport
* @param protocolCodec
*/
void setProtocolCodec(ProtocolCodec protocolCodec) throws Exception;
public Executor getBlockingExecutor();
public void setBlockingExecutor(Executor blockingExecutor);
ReadableByteChannel getReadChannel();
WritableByteChannel getWriteChannel();
}