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WildFly Swarm: Arquillian Daemon API
/**
* Copyright 2015-2016 Red Hat, Inc, and individual contributors.
*
* Licensed 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.
*/
package org.wildfly.swarm.arquillian.daemon.container;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ConnectException;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jboss.arquillian.container.spi.client.container.DeployableContainer;
import org.jboss.arquillian.container.spi.client.container.DeploymentException;
import org.jboss.arquillian.container.spi.client.container.LifecycleException;
import org.jboss.arquillian.container.spi.client.protocol.ProtocolDescription;
import org.jboss.shrinkwrap.descriptor.api.Descriptor;
import org.wildfly.swarm.arquillian.daemon.protocol.DaemonProtocol;
import org.wildfly.swarm.arquillian.daemon.protocol.DeploymentContext;
import org.wildfly.swarm.arquillian.daemon.protocol.WireProtocol;
/**
* Base support for containers of the Arquillian Server Daemon
*
* @author Andrew Lee Rubinger
*/
public abstract class DaemonDeployableContainerBase implements
DeployableContainer {
@Override
public void setup(final CONFIGTYPE configuration) {
final String remoteHost = configuration.getHost();
final String remotePort = configuration.getPort();
final InetSocketAddress address = new InetSocketAddress(remoteHost, Integer.parseInt(remotePort));
this.remoteAddress = address;
this.javaVmArguments = configuration.getJavaVmArguments();
}
public void setTimeout(int timeout) {
this.timeout = timeout;
}
@Override
public void start() throws LifecycleException {
// Open up remote resources
try {
final long startTime = System.currentTimeMillis();
final int secondsToWait = this.timeout;
final long acceptableTime = startTime + 1000 * secondsToWait; // 10 seconds from now
Socket socket = null;
while (true) {
try {
// TODO Security Action
socket = new Socket(remoteAddress.getHostString(), remoteAddress.getPort());
if (log.isLoggable(Level.FINEST)) {
log.finest("Got connection to " + remoteAddress.toString());
}
break;
} catch (final ConnectException ce) {
if (log.isLoggable(Level.FINEST)) {
log.finest("No connection yet available to remote process");
}
final long currentTime = System.currentTimeMillis();
// Time expired?
if (currentTime > acceptableTime) {
throw new LifecycleException("Could not connect to the server at "
+ remoteAddress.getHostString() + ":" + remoteAddress.getPort() + " in the allotted "
+ secondsToWait + "s", ce);
}
// Sleep and try again
try {
Thread.sleep(200);
} catch (final InterruptedException e) {
Thread.interrupted();
throw new RuntimeException("No one should be interrupting us while we're waiting to connect", e);
}
}
}
assert socket != null : "Socket should have been connected";
this.socket = socket;
final OutputStream socketOutstream = socket.getOutputStream();
this.socketOutstream = socketOutstream;
final PrintWriter writer = new PrintWriter(new OutputStreamWriter(socketOutstream, WireProtocol.CHARSET),
true);
this.writer = writer;
final InputStream socketInstream = socket.getInputStream();
this.socketInstream = socketInstream;
final BufferedReader reader = new BufferedReader(new InputStreamReader(socketInstream));
this.reader = reader;
} catch (final IOException ioe) {
this.closeRemoteResources();
throw new LifecycleException("Could not open connection to remote process", ioe);
}
}
/**
* {@inheritDoc}
*
* @see org.jboss.arquillian.container.spi.client.container.DeployableContainer#stop()
*/
@Override
public void stop() throws LifecycleException {
this.closeRemoteResources();
}
/**
* {@inheritDoc}
*
* @see org.jboss.arquillian.container.spi.client.container.DeployableContainer#getDefaultProtocol()
*/
@Override
public ProtocolDescription getDefaultProtocol() {
return DaemonProtocol.DESCRIPTION;
}
/**
* @throws UnsupportedOperationException
* @see org.jboss.arquillian.container.spi.client.container.DeployableContainer#deploy(org.jboss.shrinkwrap.descriptor.api.Descriptor)
*/
@Override
public void deploy(final Descriptor descriptor) throws DeploymentException {
throw new UnsupportedOperationException(ERROR_MESSAGE_DESCRIPTORS_UNSUPPORTED);
}
/**
* @throws UnsupportedOperationException
* @see org.jboss.arquillian.container.spi.client.container.DeployableContainer#undeploy(org.jboss.shrinkwrap.descriptor.api.Descriptor)
*/
@Override
public void undeploy(final Descriptor descriptor) throws DeploymentException {
throw new UnsupportedOperationException(ERROR_MESSAGE_DESCRIPTORS_UNSUPPORTED);
}
protected DeploymentContext createDeploymentContext(final String deploymentId) {
return DeploymentContext.create(deploymentId, socketInstream,
socketOutstream, reader, writer);
}
/**
* @return the remoteAddress
*/
protected final InetSocketAddress getRemoteAddress() {
return remoteAddress;
}
/**
* @return the writer
*/
protected final PrintWriter getWriter() {
return writer;
}
/**
* @return the reader
*/
protected final BufferedReader getReader() {
return reader;
}
/**
* Safely close remote resources
*/
private void closeRemoteResources() {
if (reader != null) {
try {
reader.close();
} catch (final IOException ignore) {
}
reader = null;
}
if (writer != null) {
writer.close();
writer = null;
}
if (socketOutstream != null) {
try {
socketOutstream.close();
} catch (final IOException ignore) {
}
socketOutstream = null;
}
if (socketInstream != null) {
try {
socketInstream.close();
} catch (final IOException ignore) {
}
socketInstream = null;
}
if (socket != null) {
try {
socket.close();
} catch (final IOException ignore) {
}
socket = null;
}
}
protected String getJavaVmArguments() {
return this.javaVmArguments;
}
private static final Logger log = Logger.getLogger(DaemonDeployableContainerBase.class.getName());
private static final String ERROR_MESSAGE_DESCRIPTORS_UNSUPPORTED = "Descriptor deployment not supported";
private InetSocketAddress remoteAddress;
private Socket socket;
private OutputStream socketOutstream;
private InputStream socketInstream;
private BufferedReader reader;
private PrintWriter writer;
private int timeout = 10;
private String javaVmArguments;
}
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