| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.core5.http2.impl.nio; |
| |
| import java.io.IOException; |
| import java.net.SocketAddress; |
| import java.nio.ByteBuffer; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import javax.net.ssl.SSLSession; |
| |
| import org.apache.hc.core5.concurrent.FutureCallback; |
| import org.apache.hc.core5.http.ConnectionClosedException; |
| import org.apache.hc.core5.http.EndpointDetails; |
| import org.apache.hc.core5.http.ProtocolVersion; |
| import org.apache.hc.core5.http.impl.nio.HttpConnectionEventHandler; |
| import org.apache.hc.core5.http.nio.command.CommandSupport; |
| import org.apache.hc.core5.io.CloseMode; |
| import org.apache.hc.core5.io.SocketTimeoutExceptionFactory; |
| import org.apache.hc.core5.reactor.IOSession; |
| import org.apache.hc.core5.reactor.ProtocolIOSession; |
| import org.apache.hc.core5.reactor.ssl.TlsDetails; |
| import org.apache.hc.core5.util.Args; |
| import org.apache.hc.core5.util.Timeout; |
| |
| abstract class ProtocolNegotiatorBase implements HttpConnectionEventHandler { |
| |
| final ProtocolIOSession ioSession; |
| private final AtomicReference<HttpConnectionEventHandler> protocolHandlerRef; |
| private final FutureCallback<ProtocolIOSession> resultCallback; |
| private final AtomicBoolean completed; |
| |
| ProtocolNegotiatorBase( |
| final ProtocolIOSession ioSession, |
| final FutureCallback<ProtocolIOSession> resultCallback) { |
| this.ioSession = Args.notNull(ioSession, "I/O session"); |
| this.protocolHandlerRef = new AtomicReference<>(null); |
| this.resultCallback = resultCallback; |
| this.completed = new AtomicBoolean(); |
| } |
| |
| void startProtocol(final HttpConnectionEventHandler protocolHandler, final ByteBuffer data) throws IOException { |
| protocolHandlerRef.set(protocolHandler); |
| ioSession.upgrade(protocolHandler); |
| protocolHandler.connected(ioSession); |
| if (data != null && data.hasRemaining()) { |
| protocolHandler.inputReady(ioSession, data); |
| } |
| if (completed.compareAndSet(false, true) && resultCallback != null) { |
| resultCallback.completed(ioSession); |
| } |
| } |
| |
| @Override |
| public void timeout(final IOSession session, final Timeout timeout) { |
| exception(session, SocketTimeoutExceptionFactory.create(timeout)); |
| } |
| |
| @Override |
| public void exception(final IOSession session, final Exception cause) { |
| final HttpConnectionEventHandler protocolHandler = protocolHandlerRef.get(); |
| try { |
| session.close(CloseMode.IMMEDIATE); |
| if (protocolHandler != null) { |
| protocolHandler.exception(session, cause); |
| } else { |
| CommandSupport.failCommands(session, cause); |
| } |
| } catch (final Exception ex) { |
| if (completed.compareAndSet(false, true) && resultCallback != null) { |
| resultCallback.failed(ex); |
| } |
| } |
| } |
| |
| @Override |
| public void disconnected(final IOSession session) { |
| final HttpConnectionEventHandler protocolHandler = protocolHandlerRef.getAndSet(null); |
| try { |
| if (protocolHandler != null) { |
| protocolHandler.disconnected(ioSession); |
| } else { |
| CommandSupport.cancelCommands(session); |
| } |
| } finally { |
| if (completed.compareAndSet(false, true) && resultCallback != null) { |
| resultCallback.failed(new ConnectionClosedException()); |
| } |
| } |
| } |
| |
| @Override |
| public SSLSession getSSLSession() { |
| final TlsDetails tlsDetails = ioSession.getTlsDetails(); |
| return tlsDetails != null ? tlsDetails.getSSLSession() : null; |
| } |
| |
| @Override |
| public EndpointDetails getEndpointDetails() { |
| return null; |
| } |
| |
| @Override |
| public void setSocketTimeout(final Timeout timeout) { |
| ioSession.setSocketTimeout(timeout); |
| } |
| |
| @Override |
| public Timeout getSocketTimeout() { |
| return ioSession.getSocketTimeout(); |
| } |
| |
| @Override |
| public ProtocolVersion getProtocolVersion() { |
| return null; |
| } |
| |
| @Override |
| public SocketAddress getRemoteAddress() { |
| return ioSession.getRemoteAddress(); |
| } |
| |
| @Override |
| public SocketAddress getLocalAddress() { |
| return ioSession.getLocalAddress(); |
| } |
| |
| @Override |
| public boolean isOpen() { |
| return ioSession.isOpen(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| ioSession.close(); |
| } |
| |
| @Override |
| public void close(final CloseMode closeMode) { |
| ioSession.close(closeMode); |
| } |
| |
| } |