| /******************************************************************************* |
| * Copyright (c) 2009, 2018 Mountainminds GmbH & Co. KG and Contributors |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Marc R. Hoffmann - initial API and implementation |
| * |
| *******************************************************************************/ |
| package org.jacoco.agent.rt.internal.output; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InterruptedIOException; |
| import java.io.OutputStream; |
| import java.net.InetAddress; |
| import java.net.Socket; |
| import java.net.SocketAddress; |
| import java.net.SocketException; |
| import java.net.SocketImpl; |
| import java.nio.channels.SocketChannel; |
| import java.util.Queue; |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| |
| /** |
| * Simulates two connected {@link Socket} objects. No physical connection is |
| * established for this. The behavior includes the (inconsistent) exception |
| * messages have been derived from Sun JDK 1.5.0_18-b02. |
| */ |
| public class MockSocketConnection { |
| |
| private final MockSocket socketA; |
| |
| private final MockSocket socketB; |
| |
| public MockSocketConnection() throws SocketException { |
| socketA = new MockSocket(); |
| socketB = new MockSocket(); |
| socketA.connect(socketB); |
| } |
| |
| public MockSocket getSocketA() { |
| return socketA; |
| } |
| |
| public MockSocket getSocketB() { |
| return socketB; |
| } |
| |
| class MockSocket extends Socket { |
| |
| private MockSocket other; |
| |
| private boolean closed; |
| |
| private final Queue<Byte> buffer = new ConcurrentLinkedQueue<Byte>(); |
| |
| private final OutputStream out = new OutputStream() { |
| |
| @Override |
| public void write(int b) throws IOException { |
| if (closed) { |
| throw new SocketException("Socket closed"); |
| } |
| synchronized (other.buffer) { |
| other.buffer.add(Byte.valueOf((byte) b)); |
| other.buffer.notifyAll(); |
| } |
| } |
| }; |
| |
| private final InputStream in = new InputStream() { |
| |
| @Override |
| public int read() throws IOException { |
| synchronized (buffer) { |
| try { |
| while (true) { |
| if (closed) { |
| throw new SocketException("socket closed"); |
| } |
| if (other.closed) { |
| return -1; |
| } |
| final Byte b = buffer.poll(); |
| buffer.notifyAll(); |
| if (b != null) { |
| return 0xff & b.intValue(); |
| } |
| buffer.wait(); |
| } |
| } catch (InterruptedException e) { |
| throw new InterruptedIOException(); |
| } |
| } |
| } |
| |
| @Override |
| public int available() throws IOException { |
| synchronized (buffer) { |
| return buffer.size(); |
| } |
| } |
| |
| }; |
| |
| private MockSocket() throws SocketException { |
| super((SocketImpl) null); |
| closed = false; |
| } |
| |
| private void connect(MockSocket other) { |
| this.other = other; |
| other.other = this; |
| } |
| |
| public void waitUntilInputBufferIsEmpty() throws InterruptedException { |
| synchronized (buffer) { |
| while (!closed && !buffer.isEmpty()) { |
| buffer.wait(); |
| } |
| } |
| } |
| |
| // socket methods with mocking behavior: |
| |
| @Override |
| public OutputStream getOutputStream() throws IOException { |
| if (isClosed()) { |
| throw new SocketException("Socket is closed"); |
| } |
| return out; |
| } |
| |
| @Override |
| public InputStream getInputStream() throws IOException { |
| if (isClosed()) { |
| throw new SocketException("Socket is closed"); |
| } |
| return in; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| synchronized (buffer) { |
| closed = true; |
| buffer.notifyAll(); |
| } |
| synchronized (other.buffer) { |
| other.buffer.notifyAll(); |
| } |
| } |
| |
| @Override |
| public boolean isClosed() { |
| synchronized (buffer) { |
| return closed; |
| } |
| } |
| |
| // unsupported socket methods: |
| |
| @Override |
| public void bind(SocketAddress bindpoint) throws IOException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void connect(SocketAddress endpoint, int timeout) |
| throws IOException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void connect(SocketAddress endpoint) throws IOException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public SocketChannel getChannel() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public InetAddress getInetAddress() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public boolean getKeepAlive() throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public InetAddress getLocalAddress() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public int getLocalPort() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public SocketAddress getLocalSocketAddress() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public boolean getOOBInline() throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public int getPort() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public synchronized int getReceiveBufferSize() throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public SocketAddress getRemoteSocketAddress() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public boolean getReuseAddress() throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public synchronized int getSendBufferSize() throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public int getSoLinger() throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public synchronized int getSoTimeout() throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public boolean getTcpNoDelay() throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public int getTrafficClass() throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public boolean isBound() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public boolean isConnected() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public boolean isInputShutdown() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public boolean isOutputShutdown() { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void sendUrgentData(int data) throws IOException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void setKeepAlive(boolean on) throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void setOOBInline(boolean on) throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void setPerformancePreferences(int connectionTime, int latency, |
| int bandwidth) { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public synchronized void setReceiveBufferSize(int size) |
| throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void setReuseAddress(boolean on) throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public synchronized void setSendBufferSize(int size) |
| throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void setSoLinger(boolean on, int linger) throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public synchronized void setSoTimeout(int timeout) |
| throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void setTcpNoDelay(boolean on) throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void setTrafficClass(int tc) throws SocketException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void shutdownInput() throws IOException { |
| throw new AssertionError(); |
| } |
| |
| @Override |
| public void shutdownOutput() throws IOException { |
| throw new AssertionError(); |
| } |
| |
| } |
| |
| } |