SSLNetworkModule.java

/* 
 * Copyright (c) 2009, 2012 IBM Corp.
 *
 * 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:
 *    Dave Locke - initial API and implementation and/or initial documentation
 */
package org.eclipse.paho.client.mqttv3.internal;

import java.io.IOException;

//import javax.net.ssl.SSLSocket; //m2mgo
//import javax.net.ssl.SSLSocketFactory;//m2mgo

import org.eclipse.paho.client.mqttv3.MqttException;
import org.eclipse.paho.client.mqttv3.internal.trace.Trace;

import com.m2mgo.net.SSLSocketFactory;


/**
 * A network module for connecting over SSL.
 */
public class SSLNetworkModule extends TCPNetworkModule {
	private String[] enabledCiphers;
	private int handshakeTimeoutSecs;
	
	/**
	 * Constructs a new SSLNetworkModule using the specified host and
	 * port.  The supplied SSLSocketFactory is used to supply the network
	 * socket.
	 */
	public SSLNetworkModule(Trace trace, SSLSocketFactory factory, String host, int port) {
		super(trace, factory, host, port);
	}

	/**
	 * Returns the enabled cipher suites.
	 */
	public String[] getEnabledCiphers() {
		return enabledCiphers;
	}

	/**
	 * Sets the enabled cipher suites on the underlying network socket.
	 */
	public void setEnabledCiphers(String[] enabledCiphers) {
//		this.enabledCiphers = enabledCiphers; //m2mgo
//		if ((socket != null) && (enabledCiphers != null)) {
//			if (trace.isOn()) {
//				String ciphers = "";
//				for (int i=0;i<enabledCiphers.length;i++) {
//					if (i>0) {
//						ciphers+=",";
//					}
//					ciphers+=enabledCiphers[i];
//				}
//				//@TRACE 260=setEnabledCiphers ciphers={0}
//				trace.trace(Trace.FINE,260,new Object[]{ciphers});
//			}
//			((SSLSocket) socket).setEnabledCipherSuites(enabledCiphers);
//		}
	}
	
	public void setSSLhandshakeTimeout(int timeout) {
		this.handshakeTimeoutSecs = timeout;
	}
	
	public void start() throws IOException, MqttException {
		super.start();
//		setEnabledCiphers(enabledCiphers); //m2mgo
//		int soTimeout = socket.getSoTimeout();
//		if ( soTimeout == 0 ) {
//			// RTC 765: Set a timeout to avoid the SSL handshake being blocked indefinitely
//			socket.setSoTimeout(this.handshakeTimeoutSecs*1000);
//		}
//		((SSLSocket)socket).startHandshake();
//		// reset timeout to default value
//		socket.setSoTimeout(soTimeout);   
	}
}