RemoteDeviceInfo.java

/**
 *  BlueCove - Java library for Bluetooth
 *  Copyright (C) 2006-2007 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 net.sf.bluecove;

import java.util.Hashtable;

import javax.bluetooth.RemoteDevice;
import javax.bluetooth.ServiceRecord;

import net.sf.bluecove.util.TimeStatistic;

/**
 * 
 */
public class RemoteDeviceInfo {

    public static Hashtable devices = new Hashtable();

    public static Hashtable services = new Hashtable();

    public String name;

    public RemoteDevice remoteDevice;

    public int discoveredCount;

    public long discoveredFirstTime;

    public long discoveredLastTime;

    private TimeStatistic deviceDiscovery = new TimeStatistic();

    public static TimeStatistic deviceInquiryDuration = new TimeStatistic();

    public TimeStatistic serviceSearch = new TimeStatistic();

    public static TimeStatistic allServiceSearch = new TimeStatistic();

    public long serviceDiscoveredFirstTime;

    public long serviceDiscoveredLastTime;

    public TimeStatistic serviceDiscovered = new TimeStatistic();

    public long variableData;

    public long variableDataCheckLastTime;

    public boolean variableDataUpdated = false;

    public static synchronized void clear() {
        devices = new Hashtable();
        services = new Hashtable();
        allServiceSearch.clear();
        deviceInquiryDuration.clear();
    }

    public static synchronized RemoteDeviceInfo getDevice(RemoteDevice remoteDevice) {
        String addr = remoteDevice.getBluetoothAddress().toUpperCase();
        RemoteDeviceInfo devInfo = getDevice(addr);
        devInfo.remoteDevice = remoteDevice;
        return devInfo;
    }

    public static synchronized RemoteDeviceInfo getDevice(String remoteDeviceAddress) {
        RemoteDeviceInfo devInfo = (RemoteDeviceInfo) devices.get(remoteDeviceAddress);
        if (devInfo == null) {
            devInfo = new RemoteDeviceInfo();
            devInfo.name = TestResponderClient.niceDeviceName(remoteDeviceAddress);
            devices.put(remoteDeviceAddress, devInfo);
        }
        return devInfo;
    }

    public static synchronized void deviceFound(RemoteDevice remoteDevice) {
        RemoteDeviceInfo devInfo = getDevice(remoteDevice);
        long now = System.currentTimeMillis();
        if (devInfo.discoveredCount == 0) {
            devInfo.discoveredFirstTime = now;
            devInfo.deviceDiscovery.add(0);
        } else {
            devInfo.deviceDiscovery.add(now - devInfo.discoveredLastTime);
        }
        devInfo.remoteDevice = remoteDevice;
        devInfo.discoveredCount++;
        devInfo.discoveredLastTime = now;
    }

    public static synchronized void deviceServiceFound(RemoteDevice remoteDevice, long variableData) {
        RemoteDeviceInfo devInfo = getDevice(remoteDevice);
        long now = System.currentTimeMillis();
        if (devInfo.serviceDiscovered.count == 0) {
            devInfo.serviceDiscoveredFirstTime = now;
            devInfo.serviceDiscovered.add(0);
        } else {
            devInfo.serviceDiscovered.add(now - devInfo.serviceDiscoveredLastTime);
        }
        devInfo.remoteDevice = remoteDevice;
        devInfo.serviceDiscoveredLastTime = now;
        // if (variableData != 0) {
        // long frequencyMSec = now - devInfo.variableDataCheckLastTime;
        // if ((devInfo.variableData != 0) && (frequencyMSec > 1000 * 120)) {
        // devInfo.variableDataCheckLastTime = now;
        // boolean er = false;
        // if (variableData == devInfo.variableData) {
        // Logger.warn("not updated " + variableData);
        // TestResponderClient.failure.addFailure("not updated " + variableData
        // + " on " + devInfo.name);
        // er = true;
        // }
        // if (!er) {
        // devInfo.variableDataUpdated = true;
        // Logger.info("Var info updated, " + variableData);
        // }
        // } else if (devInfo.variableData != variableData) {
        // if (devInfo.variableData == 0) {
        // Logger.info("Var info set, " + variableData);
        // } else {
        // Logger.info("Var info updated, " + variableData);
        // }
        // devInfo.variableData = variableData;
        // devInfo.variableDataCheckLastTime = now;
        // devInfo.variableDataUpdated = true;
        // }
        // }
    }

    public static synchronized void searchServices(RemoteDevice remoteDevice, boolean found, long servicesSearch) {
        RemoteDeviceInfo devInfo = getDevice(remoteDevice);
        devInfo.serviceSearch.add(servicesSearch);
        allServiceSearch.add(servicesSearch);
    }

    public static void discoveryInquiryFinished(long discoveryInquiry) {
        deviceInquiryDuration.add(discoveryInquiry);
    }

    public static long allAvgDeviceInquiryDurationSec() {
        return deviceInquiryDuration.avgSec();
    }

    public static long allAvgServiceSearchDurationSec() {
        return allServiceSearch.avgSec();
    }

    public long avgDiscoveryFrequencySec() {
        return deviceDiscovery.avgSec();
    }

    public long avgServiceDiscoveryFrequencySec() {
        return serviceDiscovered.avgSec();
    }

    public long avgServiceSearchDurationSec() {
        return serviceSearch.durationMaxSec();
    }

    public long serviceSearchSuccessPrc() {
        if ((serviceSearch.count) == 0) {
            return 0;
        }
        return (100 * serviceDiscovered.count) / (serviceSearch.count);
    }

    public static void saveServiceURL(ServiceRecord serviceRecord) {
        services.put(serviceRecord.getConnectionURL(Configuration.getRequiredSecurity(), false), serviceRecord);
    }
}