/**
* BlueCove - Java library for Bluetooth
* Copyright (C) 2008-2009 Michael Lifshits
* Copyright (C) 2008-2009 Vlad Skarzhevskyy
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
* @author vlads
* @version $Id$
*/
package com.intel.bluetooth;
import javax.bluetooth.BluetoothStateException;
/**
*
*/
public class EmulatorTestsHelper {
private static int threadNumber;
private static synchronized int nextThreadNum() {
return threadNumber++;
}
/**
* Start air simulator server as in process server.
*/
public static void startInProcessServer() {
BlueCoveImpl.setConfigProperty(BlueCoveConfigProperties.PROPERTY_EMULATOR_PORT, "0");
}
/**
* Shutdown all running Stacks and air simulator server.
*/
public static void stopInProcessServer() {
BlueCoveImpl.shutdown();
EmulatorHelper.getService().shutdown();
}
/**
* API that enables the use of Multiple Bluetooth Adapters in parallel in
* the same JVM. Each thread can call this function to initialize new
* adapter.
*
* @see com.intel.bluetooth.BlueCoveImpl#useThreadLocalBluetoothStack()
* @throws BluetoothStateException
* if the Bluetooth system emulator could not be initialized
*/
public static void useThreadLocalEmulator() throws BluetoothStateException {
useThreadLocalEmulator(null, null);
}
/**
* API that enables the use of Multiple Bluetooth Adapters in parallel in
* the same JVM. Each thread can call this function to initialize new
* adapter.
*
* @see com.intel.bluetooth.BlueCoveImpl#useThreadLocalBluetoothStack()
*
* @param deviceID
* select bluetooth adapter by its system ID, can be
* <code>null</code>
* @param localAddress
* select bluetooth adapter by its Address, can be
* <code>null</code>
* @throws BluetoothStateException
* if the Bluetooth system emulator could not be initialized
*/
public static void useThreadLocalEmulator(String deviceID, String localAddress) throws BluetoothStateException {
BlueCoveImpl.useThreadLocalBluetoothStack();
BlueCoveImpl.setConfigProperty(BlueCoveConfigProperties.PROPERTY_STACK, BlueCoveImpl.STACK_EMULATOR);
BlueCoveImpl.setConfigProperty(BlueCoveConfigProperties.PROPERTY_EMULATOR_PORT, "0");
BlueCoveImpl.setConfigProperty(BlueCoveConfigProperties.PROPERTY_LOCAL_DEVICE_ID, deviceID);
BlueCoveImpl.setConfigProperty(BlueCoveConfigProperties.PROPERTY_LOCAL_DEVICE_ADDRESS, localAddress);
BlueCoveImpl.getThreadBluetoothStackID();
}
private static class RunBefore implements Runnable {
private Runnable runnable;
private Object startedEvent = new Object();
private boolean started = false;
private BluetoothStateException startException;
RunBefore(Runnable runnable) {
this.runnable = runnable;
}
public void run() {
try {
useThreadLocalEmulator();
} catch (BluetoothStateException e) {
startException = e;
} finally {
started = true;
synchronized (startedEvent) {
startedEvent.notifyAll();
}
}
runnable.run();
}
}
/**
* Helper function to execute code using different Bluetooth address
*
* @param runnable
* to be executed using another stack
* @return created and running Thread that will execute runnable in a new
* ThreadGroup
* @throws BluetoothStateException
* if the Bluetooth system emulator could not be initialized
*/
public static Thread runNewEmulatorStack(Runnable runnable) throws BluetoothStateException {
RunBefore r = new RunBefore(runnable);
int id = nextThreadNum();
ThreadGroup g = new ThreadGroup("TestHelperThreadGroup-" + id);
Thread t = new Thread(g, r, "TestHelperThread-" + id);
synchronized (r.startedEvent) {
t.start();
while (!r.started) {
try {
r.startedEvent.wait();
} catch (InterruptedException e) {
throw (BluetoothStateException) UtilsJavaSE.initCause(new BluetoothStateException(e.getMessage()),
e);
}
if (r.startException != null) {
throw r.startException;
}
}
}
return t;
}
}