jdk/test/java/net/httpclient/http2/server/Http2TestServer.java
changeset 42460 7133f144981a
child 45713 ee3f2cbfe23a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/net/httpclient/http2/server/Http2TestServer.java	Fri Dec 09 11:35:02 2016 +0000
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.io.IOException;
+import java.net.*;
+import java.util.*;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.atomic.AtomicReference;
+import javax.net.ServerSocketFactory;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLParameters;
+import javax.net.ssl.SSLServerSocket;
+import javax.net.ssl.SSLServerSocketFactory;
+
+/**
+ * Waits for incoming TCP connections from a client and establishes
+ * a HTTP2 connection. Two threads are created per connection. One for reading
+ * and one for writing. Incoming requests are dispatched to the supplied
+ * Http2Handler on additional threads. All threads
+ * obtained from the supplied ExecutorService.
+ */
+public class Http2TestServer implements AutoCloseable {
+    final ServerSocket server;
+    volatile boolean secure;
+    final ExecutorService exec;
+    volatile boolean stopping = false;
+    final Map<String,Http2Handler> handlers;
+    final SSLContext sslContext;
+    final HashMap<InetSocketAddress,Http2TestServerConnection> connections;
+
+    private static ThreadFactory defaultThreadFac =
+        (Runnable r) -> {
+            Thread t = new Thread(r);
+            t.setName("Test-server-pool");
+            return t;
+        };
+
+
+    private static ExecutorService getDefaultExecutor() {
+        return Executors.newCachedThreadPool(defaultThreadFac);
+    }
+
+    public Http2TestServer(boolean secure, int port) throws Exception {
+        this(secure, port, getDefaultExecutor(), null);
+    }
+
+    public InetSocketAddress getAddress() {
+        return (InetSocketAddress)server.getLocalSocketAddress();
+    }
+
+    public Http2TestServer(boolean secure,
+                           SSLContext context) throws Exception {
+        this(secure, 0, null, context);
+    }
+
+    /**
+     * Create a Http2Server listening on the given port. Currently needs
+     * to know in advance whether incoming connections are plain TCP "h2c"
+     * or TLS "h2"/
+     *
+     * @param secure https or http
+     * @param port listen port
+     * @param exec executor service (cached thread pool is used if null)
+     * @param context the SSLContext used when secure is true
+     */
+    public Http2TestServer(boolean secure,
+                           int port,
+                           ExecutorService exec,
+                           SSLContext context)
+        throws Exception
+    {
+        if (secure) {
+            server = initSecure(port);
+        } else {
+            server = initPlaintext(port);
+        }
+        this.secure = secure;
+        this.exec = exec == null ? getDefaultExecutor() : exec;
+        this.handlers = Collections.synchronizedMap(new HashMap<>());
+        this.sslContext = context;
+        this.connections = new HashMap<>();
+    }
+
+    /**
+     * Adds the given handler for the given path
+     */
+    public void addHandler(Http2Handler handler, String path) {
+        handlers.put(path, handler);
+    }
+
+    Http2Handler getHandlerFor(String path) {
+        if (path == null || path.equals(""))
+            path = "/";
+
+        final String fpath = path;
+        AtomicReference<String> bestMatch = new AtomicReference<>("");
+        AtomicReference<Http2Handler> href = new AtomicReference<>();
+
+        handlers.forEach((key, value) -> {
+            if (fpath.startsWith(key) && key.length() > bestMatch.get().length()) {
+                bestMatch.set(key);
+                href.set(value);
+            }
+        });
+        Http2Handler handler = href.get();
+        if (handler == null)
+            throw new RuntimeException("No handler found for path " + path);
+        System.err.println("Using handler for: " + bestMatch.get());
+        return handler;
+    }
+
+    final ServerSocket initPlaintext(int port) throws Exception {
+        return new ServerSocket(port);
+    }
+
+    public void stop() {
+        // TODO: clean shutdown GoAway
+        stopping = true;
+        for (Http2TestServerConnection connection : connections.values()) {
+            connection.close();
+        }
+        try {
+            server.close();
+        } catch (IOException e) {}
+        exec.shutdownNow();
+    }
+
+
+    final ServerSocket initSecure(int port) throws Exception {
+        ServerSocketFactory fac;
+        if (sslContext != null) {
+            fac = sslContext.getServerSocketFactory();
+        } else {
+            fac = SSLServerSocketFactory.getDefault();
+        }
+        SSLServerSocket se = (SSLServerSocket) fac.createServerSocket(port);
+        SSLParameters sslp = se.getSSLParameters();
+        sslp.setApplicationProtocols(new String[]{"h2"});
+        se.setSSLParameters(sslp);
+        se.setEnabledCipherSuites(se.getSupportedCipherSuites());
+        se.setEnabledProtocols(se.getSupportedProtocols());
+        // other initialisation here
+        return se;
+    }
+
+    /**
+     * Starts a thread which waits for incoming connections.
+     */
+    public void start() {
+        exec.submit(() -> {
+            try {
+                while (!stopping) {
+                    Socket socket = server.accept();
+                    InetSocketAddress addr = (InetSocketAddress) socket.getRemoteSocketAddress();
+                    Http2TestServerConnection c = new Http2TestServerConnection(this, socket);
+                    connections.put(addr, c);
+                    c.run();
+                }
+            } catch (Throwable e) {
+                if (!stopping) {
+                    System.err.println("TestServer: start exception: " + e);
+                    e.printStackTrace();
+                }
+            }
+        });
+    }
+
+    @Override
+    public void close() throws Exception {
+        stop();
+    }
+}