org.eclipse.jetty.websocket.common.LogicalConnection Maven / Gradle / Ivy
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// Copyright (c) 1995-2022 Mort Bay Consulting Pty Ltd and others.
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// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
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package org.eclipse.jetty.websocket.common;
import java.net.InetSocketAddress;
import java.util.concurrent.Executor;
import org.eclipse.jetty.io.ByteBufferPool;
import org.eclipse.jetty.util.Callback;
import org.eclipse.jetty.websocket.api.SuspendToken;
import org.eclipse.jetty.websocket.api.WebSocketPolicy;
import org.eclipse.jetty.websocket.api.extensions.IncomingFrames;
import org.eclipse.jetty.websocket.api.extensions.OutgoingFrames;
public interface LogicalConnection extends OutgoingFrames, SuspendToken
{
/**
* Test if Connection State allows for reading of frames.
*
* @return true if able to read, false otherwise.
*/
boolean canReadWebSocketFrames();
/**
* Test if Connection State allows for writing frames.
*
* @return true if able to write, false otherwise.
*/
boolean canWriteWebSocketFrames();
/**
* Close the connection based on the cause.
*
* @param cause the cause
*/
void close(Throwable cause);
/**
* Request a local close.
*/
void close(CloseInfo closeInfo, Callback callback);
/**
* Terminate the connection (no close frame sent)
*/
void disconnect();
/**
* Get the ByteBufferPool in use by the connection
*
* @return the buffer pool
*/
ByteBufferPool getBufferPool();
/**
* Get the Executor used by this connection.
*
* @return the executor
*/
Executor getExecutor();
/**
* Get Unique ID for the Connection
*
* @return the unique ID for the connection
*/
String getId();
/**
* Get the read/write idle timeout.
*
* @return the idle timeout in milliseconds
*/
long getIdleTimeout();
/**
* Get the local {@link InetSocketAddress} in use for this connection.
*
* Note: Non-physical connections, like during the Mux extensions, or during unit testing can result in a InetSocketAddress on port 0 and/or on localhost.
*
* @return the local address.
*/
InetSocketAddress getLocalAddress();
/**
* Set the maximum number of milliseconds of idleness before the connection is closed/disconnected, (ie no frames are either sent or received)
*
* @return the idle timeout in milliseconds
*/
long getMaxIdleTimeout();
/**
* Set the maximum number of milliseconds of idleness before the connection is closed/disconnected, (ie no frames are either sent or received)
*
* This idle timeout cannot be garunteed to take immediate effect for any active read/write actions.
* New read/write actions will have this new idle timeout.
*
* @param ms the number of milliseconds of idle timeout
*/
void setMaxIdleTimeout(long ms);
/**
* The policy that the connection is running under.
*
* @return the policy for the connection
*/
WebSocketPolicy getPolicy();
/**
* Get the remote Address in use for this connection.
*
* Note: Non-physical connections, like during the Mux extensions, or during unit testing can result in a InetSocketAddress on port 0 and/or on localhost.
*
* @return the remote address.
*/
InetSocketAddress getRemoteAddress();
/**
* Test if logical connection is still open
*
* @return true if connection is open
*/
boolean isOpen();
/**
* Tests if the connection is actively reading.
*
* @return true if connection is actively attempting to read.
*/
boolean isReading();
/**
* Set the state to opened (the application onOpen() method has been called successfully).
*
* Reads from network begin here.
*
*
* @return true if state is OPENED, false otherwise
*/
boolean opened();
/**
* Set the state to upgrade/opening handshake has completed.
*
* @return true if state is OPENING, false otherwise
*/
boolean opening();
/**
* Report that the Remote Endpoint CLOSE Frame has been received
*
* @param close the close frame details
*/
void remoteClose(CloseInfo close);
/**
* Set where the connection should send the incoming frames to.
*
* Often this is from the Parser to the start of the extension stack, and eventually on to the session.
*
* @param incoming the incoming frames handler
*/
void setNextIncomingFrames(IncomingFrames incoming);
/**
* Associate the Active Session with the connection.
*
* @param session the session for this connection
*/
void setSession(WebSocketSession session);
/**
* Suspend a the incoming read events on the connection.
*
* @return the suspend token
*/
SuspendToken suspend();
/**
* Get the Connection State as a String
*
* @return the Connection State string
*/
String toStateString();
}