src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/AsyncSSLTunnelConnection.java
author chegar
Sun, 05 Nov 2017 17:32:13 +0000
branchhttp-client-branch
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child 55795 074bb951658a
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/*
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 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package jdk.incubator.http;
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import java.io.IOException;
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import java.lang.System.Logger.Level;
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import java.net.InetSocketAddress;
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import java.nio.channels.SocketChannel;
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import java.util.concurrent.CompletableFuture;
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import jdk.incubator.http.internal.common.ByteBufferReference;
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import jdk.incubator.http.internal.common.SSLTube;
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import jdk.incubator.http.internal.common.Utils;
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/**
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 * An SSL tunnel built on a Plain (CONNECT) TCP tunnel.
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 */
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class AsyncSSLTunnelConnection extends AbstractAsyncSSLConnection {
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    final PlainTunnelingConnection plainConnection;
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    final PlainHttpPublisher writePublisher;
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    volatile SSLTube flow;
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    AsyncSSLTunnelConnection(InetSocketAddress addr,
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                             HttpClientImpl client,
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                             String[] alpn,
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                             InetSocketAddress proxy)
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    {
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        super(addr, client, Utils.getServerName(addr), alpn);
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        this.plainConnection = new PlainTunnelingConnection(addr, proxy, client);
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        this.writePublisher = new PlainHttpPublisher();
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    }
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    @Override
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    public CompletableFuture<Void> connectAsync() {
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        debug.log(Level.DEBUG, "Connecting plain tunnel connection");
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        // This will connect the PlainHttpConnection flow, so that
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        // its HttpSubscriber and HttpPublisher are subscribed to the
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        // SocketTube
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        return plainConnection
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                .connectAsync()
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                .thenApply( unused -> {
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                    debug.log(Level.DEBUG, "creating SSLTube");
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                    // create the SSLTube wrapping the SocketTube, with the given engine
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                    flow = new SSLTube(engine,
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                                       client().theExecutor(),
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                                       plainConnection.getConnectionFlow());
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                    return null;} );
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    }
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    @Override
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    boolean connected() {
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        return plainConnection.connected(); // && sslDelegate.connected();
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    }
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    @Override
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    HttpPublisher publisher() { return writePublisher; }
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    @Override
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    public String toString() {
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        return "AsyncSSLTunnelConnection: " + super.toString();
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    }
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    @Override
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    PlainTunnelingConnection plainConnection() {
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        return plainConnection;
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    }
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    @Override
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    ConnectionPool.CacheKey cacheKey() {
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        return ConnectionPool.cacheKey(address, plainConnection.proxyAddr);
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    }
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    @Override
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    public void writeAsync(ByteBufferReference[] buffers) throws IOException {
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        writePublisher.writeAsync(buffers);
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    }
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    @Override
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    public void writeAsyncUnordered(ByteBufferReference[] buffers) throws IOException {
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        writePublisher.writeAsyncUnordered(buffers);
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    }
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    @Override
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    public void flushAsync() throws IOException {
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        writePublisher.flushAsync();
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    }
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    @Override
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    public void close() {
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        plainConnection.close();
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    }
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    @Override
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    void shutdownInput() throws IOException {
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        plainConnection.channel().shutdownInput();
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    }
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    @Override
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    void shutdownOutput() throws IOException {
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        plainConnection.channel().shutdownOutput();
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    }
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    @Override
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    SocketChannel channel() {
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        return plainConnection.channel();
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    }
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    @Override
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    boolean isProxied() {
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        return true;
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    }
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    @Override
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    public void closeExceptionally(Throwable cause) {
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        debug.log(Level.DEBUG, "Closing connection: ", cause);
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        plainConnection.close();
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    }
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    @Override
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    SSLTube getConnectionFlow() {
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       return flow;
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   }
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}