Initial implementation of CronetBidirectionalStream.

components/cronet/android/test/src/org/chromium/net/Http2TestServer.java

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.net;
+
+import android.content.Context;
+import android.os.ConditionVariable;
+
+import org.chromium.base.Log;
+import org.chromium.net.test.util.CertTestUtil;
+
+import java.io.File;
+
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.ChannelOption;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.channel.socket.nio.NioServerSocketChannel;
+import io.netty.handler.codec.http2.Http2SecurityUtil;
+import io.netty.handler.logging.LogLevel;
+import io.netty.handler.logging.LoggingHandler;
+import io.netty.handler.ssl.ApplicationProtocolConfig;
+import io.netty.handler.ssl.ApplicationProtocolConfig.Protocol;
+import io.netty.handler.ssl.ApplicationProtocolConfig.SelectedListenerFailureBehavior;
+import io.netty.handler.ssl.ApplicationProtocolConfig.SelectorFailureBehavior;
+import io.netty.handler.ssl.ApplicationProtocolNames;
+import io.netty.handler.ssl.ApplicationProtocolNegotiationHandler;
+import io.netty.handler.ssl.OpenSslServerContext;
+import io.netty.handler.ssl.SslContext;
+import io.netty.handler.ssl.SupportedCipherSuiteFilter;
+
+/**
+ * Wrapper class to start a HTTP/2 test server.
+ */
+public final class Http2TestServer {
+    private static final ConditionVariable sBlock = new ConditionVariable();
+    private static Channel sServerChannel;
+    private static final String TAG = "Http2TestServer";
+
+    private static final String HOST = "127.0.0.1";
+    // Server port.
+    private static final int PORT = 8443;
+
+    public static boolean shutdownHttp2TestServer() throws Exception {
+        if (sServerChannel != null) {
+            sServerChannel.close();
+            sServerChannel = null;
+            return true;
+        }
+        return false;
+    }
+
+    public static String getServerHost() {
+        return HOST;
+    }
+
+    public static int getServerPort() {
+        return PORT;
+    }
+
+    public static String getServerUrl() {
+        return "https://" + HOST + ":" + PORT;
+    }
+
+    public static String getEchoAllHeadersUrl() {
+        return getServerUrl() + Http2TestHandler.ECHO_ALL_HEADERS_PATH;
+    }
+
+    public static String getEchoHeaderUrl(String headerName) {
+        return getServerUrl() + Http2TestHandler.ECHO_HEADER_PATH + "?" + headerName;
+    }
+
+    public static String getEchoMethodUrl() {
+        return getServerUrl() + Http2TestHandler.ECHO_METHOD_PATH;
+    }
+
+    public static String getEchoStreamUrl() {

[xunjieli, 2016/01/27 16:16:38]

nit: need docmentation.

[mef, 2016/01/27 19:06:47]

Done.

+        return getServerUrl() + Http2TestHandler.ECHO_STREAM_PATH;
+    }
+
+    public static String getEchoTrailersUrl() {

[xunjieli, 2016/01/27 16:16:38]

nit: need documentation to explain what this does. Does it echo the request
headers as trailers?

[mef, 2016/01/27 19:06:47]

Done.

+        return getServerUrl() + Http2TestHandler.ECHO_TRAILERS_PATH;
+    }
+
+    public static boolean startHttp2TestServer(
+            Context context, String certFileName, String keyFileName) throws Exception {
+        new Thread(
+                new Http2TestServerRunnable(new File(CertTestUtil.CERTS_DIRECTORY + certFileName),
+                        new File(CertTestUtil.CERTS_DIRECTORY + keyFileName)))
+                .start();
+        sBlock.block();
+        return true;
+    }
+
+    private Http2TestServer() {}
+
+    private static class Http2TestServerRunnable implements Runnable {
+        private final SslContext mSslCtx;
+
+        Http2TestServerRunnable(File certFile, File keyFile) throws Exception {
+            ApplicationProtocolConfig applicationProtocolConfig = new ApplicationProtocolConfig(
+                    Protocol.ALPN, SelectorFailureBehavior.NO_ADVERTISE,
+                    SelectedListenerFailureBehavior.ACCEPT, ApplicationProtocolNames.HTTP_2);
+
+            mSslCtx = new OpenSslServerContext(certFile, keyFile, null, null,
+                    Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE,
+                    applicationProtocolConfig, 0, 0);
+        }
+
+        public void run() {
+            try {
+                // Configure the server.
+                EventLoopGroup group = new NioEventLoopGroup();
+                try {
+                    ServerBootstrap b = new ServerBootstrap();
+                    b.option(ChannelOption.SO_BACKLOG, 1024);
+                    b.group(group)
+                            .channel(NioServerSocketChannel.class)
+                            .handler(new LoggingHandler(LogLevel.INFO))
+                            .childHandler(new Http2ServerInitializer(mSslCtx));
+
+                    sServerChannel = b.bind(PORT).sync().channel();
+                    Log.i(TAG, "Netty HTTP/2 server started on " + getServerUrl());
+                    sBlock.open();
+                    sServerChannel.closeFuture().sync();
+                } finally {
+                    group.shutdownGracefully();
+                }
+                Log.i(TAG, "Stopped Http2TestServerRunnable!");
+            } catch (Exception e) {
+                Log.e(TAG, e.toString());
+            }
+        }
+    }
+
+    /**
+     * Sets up the Netty pipeline for the test server.
+     */
+    private static class Http2ServerInitializer extends ChannelInitializer<SocketChannel> {
+        private final SslContext mSslCtx;
+
+        public Http2ServerInitializer(SslContext sslCtx) {
+            this.mSslCtx = sslCtx;
+        }
+
+        @Override
+        public void initChannel(SocketChannel ch) {
+            ch.pipeline().addLast(mSslCtx.newHandler(ch.alloc()), new Http2NegotiationHandler());
+        }
+    }
+
+    private static class Http2NegotiationHandler extends ApplicationProtocolNegotiationHandler {
+        protected Http2NegotiationHandler() {
+            super(ApplicationProtocolNames.HTTP_1_1);
+        }
+
+        @Override
+        protected void configurePipeline(ChannelHandlerContext ctx, String protocol)
+                throws Exception {
+            if (ApplicationProtocolNames.HTTP_2.equals(protocol)) {
+                ctx.pipeline().addLast(new Http2TestHandler.Builder().build());
+                return;
+            }
+
+            throw new IllegalStateException("unknown protocol: " + protocol);
+        }
+    }
+}