package com.agenthun.eseal.connectivity.ble;
import android.app.Service;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothGatt;
import android.bluetooth.BluetoothGattCallback;
import android.bluetooth.BluetoothGattCharacteristic;
import android.bluetooth.BluetoothGattDescriptor;
import android.bluetooth.BluetoothGattService;
import android.bluetooth.BluetoothManager;
import android.bluetooth.BluetoothProfile;
import android.content.Context;
import android.content.Intent;
import android.os.Binder;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.util.Log;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;
import java.util.UUID;
public class ACSUtilityService extends Service {
private BluetoothManager mBluetoothManager;
private BluetoothAdapter mBluetoothAdapter;
private final static String TAG = "ACSUtilityService";
private String mBluetoothDeviceAddress;
public BluetoothGatt mBluetoothGatt;
private int mConnectionState = STATE_DISCONNECTED;
private static final int STATE_DISCONNECTED = 0;
private static final int STATE_CONNECTING = 1;
private static final int STATE_CONNECTED = 2;
public final static String ACTION_GATT_CONNECTED =
"com.example.bluetooth.le.ACTION_GATT_CONNECTED";
public final static String ACTION_GATT_DISCONNECTED =
"com.example.bluetooth.le.ACTION_GATT_DISCONNECTED";
public final static String ACTION_GATT_SERVICES_DISCOVERED =
"com.example.bluetooth.le.ACTION_GATT_SERVICES_DISCOVERED";
public final static String ACTION_DATA_AVAILABLE =
"com.example.bluetooth.le.ACTION_DATA_AVAILABLE";
/*public final static String EXTRA_DATA =
"com.example.bluetooth.le.EXTRA_DATA";*/
public final static int EVENT_GATT_CONNECTED = 1;
public final static int EVENT_GATT_DISCONNECTED = 2;
public final static int EVENT_GATT_SERVICES_DISCOVERED = 3;
public final static int EVENT_OPEN_PORT_SUCCEED = 4;
public final static int EVENT_DATA_AVAILABLE = 5;
public final static int EVENT_DATA_RECEIVED = 6;
public final static int EVENT_HEART_BEAT_DEBUG = 7;
public final static int EVENT_DATA_SEND_SUCEED = 8;
public final static int EVENT_DATA_SEND_FAILED = 9;
public final static int EVENT_OPEN_PORT_FAILED = 10;
public final static String EXTRA_DATA =
"EXTRA_DATA";
//public final static int EXTRA_DATA = 100;
public final static UUID ACS_SERVICE_UUID = UUID.fromString("0000FFB0-0000-1000-8000-00805f9b34fb");
private final UUID CMD_LINE_UUID = UUID.fromString("0000FFB1-0000-1000-8000-00805f9b34fb");
private final UUID DATA_LINE_UUID = UUID.fromString("0000FFB2-0000-1000-8000-00805f9b34fb");
//private final UUID NOTIFICATION_DESCRIPTOR_UUID = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
public static final UUID CCC = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
private final int ACSUTILITY_SCAN_TIMEOUT_MSG = 0x01;
private Stack<Handler> mEventHandlers = new Stack<Handler>();
private Handler mCurrentEventHandler;
private boolean isInitializing = true;
private int packagesCount = 0;
private ArrayList<byte[]> packages = new ArrayList<byte[]>();
private WorkerThread workerThread;
private int wakeTimes = 0;
public void addEventHandler(Handler eventHandler) {
mEventHandlers.push(eventHandler);
mCurrentEventHandler = eventHandler;
}
public void removeEventHandler() {
mEventHandlers.pop();
if (!mEventHandlers.empty())
mCurrentEventHandler = mEventHandlers.peek();
}
public class ACSBinder extends Binder {
public ACSUtilityService getService() {
return ACSUtilityService.this;
}
}
;
private IBinder binder = new ACSBinder();
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return binder;
}
@Override
public boolean onUnbind(Intent intent) {
// TODO Auto-generated method stub
//所有的clients 都disconnected这个service或者说调用了unbindservic之后才会调用的
Log.i(TAG, "onUnbind");
//removeEventHandler();
return super.onUnbind(intent);
}
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
isInitializing = true;
}
// Implements callback methods for GATT events that the app cares about. For example,
// connection change and services discovered.
private final BluetoothGattCallback mGattCallback = new BluetoothGattCallback() {
@Override
public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
Message msg = null;
//msg = mEventHandler.obtainMessage(EVENT_DATA_AVAILABLE);
if (newState == BluetoothProfile.STATE_CONNECTED) {
//intentAction = ACTION_GATT_CONNECTED;
mConnectionState = STATE_CONNECTED;
msg = mCurrentEventHandler.obtainMessage(EVENT_GATT_CONNECTED);
//broadcastUpdate(intentAction);
Log.i(TAG, "Connected to GATT server.");
// Attempts to discover services after successful connection.
Log.i(TAG, "Attempting to start service discovery:" +
mBluetoothGatt.discoverServices());
} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
//intentAction = ACTION_GATT_DISCONNECTED;
mConnectionState = STATE_DISCONNECTED;
Log.i(TAG, "Disconnected from GATT server.");
close();
msg = mCurrentEventHandler.obtainMessage(EVENT_GATT_DISCONNECTED);
mBluetoothDeviceAddress = null;
//broadcastUpdate(intentAction);
}
msg.sendToTarget();
}
@Override
public void onServicesDiscovered(BluetoothGatt gatt, int status) {
//if (status == BluetoothGatt.GATT_SUCCESS) {
//broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);
Log.i(TAG, "Starting enable DATA Line Notificaiton");
//setACSNotification(DATA_LINE_UUID);
if (status == BluetoothGatt.GATT_SUCCESS)
setACSNotification(CMD_LINE_UUID);
else {
Message msg = mCurrentEventHandler.obtainMessage(EVENT_OPEN_PORT_FAILED);
msg.sendToTarget();
}
//} else {
// Log.w(TAG, "onServicesDiscovered received: " + status);
//}
}
@Override
public void onCharacteristicRead(BluetoothGatt gatt,
BluetoothGattCharacteristic characteristic,
int status) {
if (status == BluetoothGatt.GATT_SUCCESS) {
}
}
@Override
public void onCharacteristicChanged(BluetoothGatt gatt,
BluetoothGattCharacteristic characteristic) {
// broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
byte[] value = characteristic.getValue();
Message msg = null;
Log.d(TAG, "onCharacteristicChanged");
if (characteristic.getUuid().equals(CMD_LINE_UUID)) {
//命令线
// Log.d(tag, "data from CMD_LINE_UUID");
if (value[0] == 0x05) {
Log.d(TAG, "heart beat package write back ");
/*
* if (userCallback != null) {
* userCallback.heartbeatDebug(); }
*/
msg = mCurrentEventHandler.obtainMessage(EVENT_HEART_BEAT_DEBUG);
byte[] handshake = {0x05};
characteristic.setValue(handshake);
mBluetoothGatt.writeCharacteristic(characteristic);
}
} else if (characteristic.getUuid().equals(DATA_LINE_UUID)) {
//数据线
Log.d(TAG, "data line : length = " + value.length);
// printHexString(value);
// checkPackageToSend(characteristic.getValue());
msg = mCurrentEventHandler.obtainMessage(EVENT_DATA_AVAILABLE);
Bundle bundle = new Bundle();
bundle.putByteArray(EXTRA_DATA, characteristic.getValue());
msg.setData(bundle);
// userCallback.didPackageReceived(currentPort,
// characteristic.getValue());
}
msg.sendToTarget();
}
public void enablePhoneMode() {
Log.i(TAG, "Enabling Phone Mode...");
/*if (mBluetoothGatt == null) {
Log.i(TAG, "mBtGatt == null");
}
BluetoothGattService disService = mBluetoothGatt.getService(ACS_SERVICE_UUID);
if (disService == null) {
// showMessage("Dis service not found!");
Log.i(TAG, "disService == null");
return;
}
BluetoothGattCharacteristic characCMD = disService
.getCharacteristic(CMD_LINE_UUID);*/
BluetoothGattCharacteristic characCMD = getACSCharacteristic(CMD_LINE_UUID);
if (characCMD == null) {
Log.i(TAG, "characCMD == null");
return;
}
byte[] value = {0x06, 0x01};
characCMD.setValue(value);
mBluetoothGatt.writeCharacteristic(characCMD);
}
@Override
public void onCharacteristicWrite(BluetoothGatt gatt,
BluetoothGattCharacteristic characteristic, int status) {
// TODO Auto-generated method stub
//super.onCharacteristicWrite(gatt, characteristic, status);
Log.d(TAG, "onCharacteristicWrite");
if (isInitializing && characteristic.getUuid().equals(CMD_LINE_UUID)) {
//enable phone mode succeeded
Log.i(TAG, "data has written!");
isInitializing = false;
Message msg = mCurrentEventHandler.obtainMessage(status == BluetoothGatt.GATT_SUCCESS ? EVENT_OPEN_PORT_SUCCEED : EVENT_OPEN_PORT_FAILED);
msg.sendToTarget();
} else if (!isInitializing && characteristic.getUuid().equals(DATA_LINE_UUID)) {
//数据发送的反馈
if (workerThread == null) {
Log.e(TAG, "workerThread is null");
return;
}
if (status == BluetoothGatt.GATT_SUCCESS) {
workerThread.setOperationResult(1);
} else {
workerThread.setOperationResult(0);
}
synchronized (workerThread) {
Log.d(TAG, "notify workerThread");
wakeTimes++;
workerThread.notify();
}
}
}
/*@Override
public void onDescriptorWrite(BluetoothGatt gatt,
BluetoothGattDescriptor descriptor, int status) {
// TODO Auto-generated method stub
super.onDescriptorWrite(gatt, descriptor, status);
Log.i(TAG, "onDescriptorWrite");
if (status == BluetoothGatt.GATT_SUCCESS)
Log.i(TAG, descriptor.getCharacteristic().getUuid() + " Notification Enabled");
if (descriptor.getCharacteristic().getUuid().equals(DATA_LINE_UUID)) {
Log.i(TAG, "Starting enable CMD Line Notificaiton");
setACSNotification(CMD_LINE_UUID);
isInitializing = false;
Message msg = mCurrentEventHandler.obtainMessage(EVENT_OPEN_PORT_SUCCEED);
msg.sendToTarget();
}
else if (descriptor.getCharacteristic().getUuid().equals(CMD_LINE_UUID)){
//enablePhoneMode();
isInitializing = false;
Message msg = mCurrentEventHandler.obtainMessage(EVENT_OPEN_PORT_SUCCEED);
msg.sendToTarget();
}
}*/
@Override
public void onDescriptorWrite(BluetoothGatt gatt,
BluetoothGattDescriptor descriptor, int status) {
// TODO Auto-generated method stub
super.onDescriptorWrite(gatt, descriptor, status);
Log.i(TAG, "onDescriptorWrite");
if (status != BluetoothGatt.GATT_SUCCESS) {
Message msg = mCurrentEventHandler.obtainMessage(EVENT_OPEN_PORT_FAILED);
msg.sendToTarget();
return;
}
Log.i(TAG, descriptor.getCharacteristic().getUuid() + " Notification Enabled");
if (descriptor.getCharacteristic().getUuid().equals(DATA_LINE_UUID)) {
isInitializing = false;
Message msg = mCurrentEventHandler.obtainMessage(EVENT_OPEN_PORT_SUCCEED);
msg.sendToTarget();
} else if (descriptor.getCharacteristic().getUuid().equals(CMD_LINE_UUID)) {
//enablePhoneMode();
Log.i(TAG, "Starting enable DATA Line Notificaiton");
mCurrentEventHandler.postDelayed(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
setACSNotification(DATA_LINE_UUID);
}
}, 2000);
//setACSNotification(DATA_LINE_UUID);
}
}
};
private void enablePhoneMode() {
Log.i(TAG, "Enabling Phone Mode...");
if (mBluetoothGatt == null) {
Log.i(TAG, "mBtGatt == null");
}
BluetoothGattService disService = mBluetoothGatt
.getService(ACS_SERVICE_UUID);
if (disService == null) {
// showMessage("Dis service not found!");
Log.i(TAG, "disService == null");
return;
}
BluetoothGattCharacteristic characCMD = disService
.getCharacteristic(CMD_LINE_UUID);
if (characCMD == null) {
Log.i(TAG, "characCMD == null");
return;
}
byte[] value = {0x06, 0x01};
characCMD.setValue(value);
mBluetoothGatt.writeCharacteristic(characCMD);
}
/**
* Initializes a reference to the local Bluetooth adapter.
*
* @return Return true if the initialization is successful.
*/
public boolean initialize() {
// For API level 18 and above, get a reference to BluetoothAdapter through
// BluetoothManager.
Log.i(TAG, "Initializing " + TAG);
if (mBluetoothManager == null) {
mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
if (mBluetoothManager == null) {
Log.e(TAG, "Unable to initialize BluetoothManager.");
return false;
}
}
mBluetoothAdapter = mBluetoothManager.getAdapter();
if (mBluetoothAdapter == null) {
Log.e(TAG, "Unable to obtain a BluetoothAdapter.");
return false;
}
return true;
}
/**
* Connects to the GATT server hosted on the Bluetooth LE device.
*
* @param address The device address of the destination device.
* @return Return true if the connection is initiated successfully. The connection result
* is reported asynchronously through the
* {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
* callback.
*/
public boolean connect(final String address) {
if (mBluetoothAdapter == null || address == null) {
Log.w(TAG, "BluetoothAdapter not initialized or unspecified address.");
return false;
}
// Previously connected device. Try to reconnect.
if (mBluetoothDeviceAddress != null && address.equals(mBluetoothDeviceAddress)
&& mBluetoothGatt != null) {
Log.d(TAG, "Trying to use an existing mBluetoothGatt for connection.");
if (mBluetoothGatt.connect()) {
mConnectionState = STATE_CONNECTING;
return true;
} else {
return false;
}
}
final BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
if (device == null) {
Log.w(TAG, "Device not found. Unable to connect.");
return false;
}
// We want to directly connect to the device, so we are setting the autoConnect
// parameter to false.
if (mBluetoothGatt != null) {
mBluetoothGatt.close();
mBluetoothGatt = null;
}
mBluetoothGatt = device.connectGatt(this, false, mGattCallback);
Log.d(TAG, "Trying to create a new connection.");
mBluetoothDeviceAddress = address;
mConnectionState = STATE_CONNECTING;
return true;
}
/**
* Disconnects an existing connection or cancel a pending connection. The disconnection result
* is reported asynchronously through the
* {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
* callback.
*/
public void disconnect() {
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.w(TAG, "BluetoothAdapter not initialized");
return;
}
mBluetoothGatt.disconnect();
}
/**
* After using a given BLE device, the app must call this method to ensure resources are
* released properly.
*/
public void close() {
if (mBluetoothGatt == null) {
return;
}
mBluetoothGatt.close();
mBluetoothGatt = null;
}
/**
* Request a read on a given {@code BluetoothGattCharacteristic}. The read result is reported
* asynchronously through the {@code BluetoothGattCallback#onCharacteristicRead(android.bluetooth.BluetoothGatt, android.bluetooth.BluetoothGattCharacteristic, int)}
* callback.
*
* @param characteristic The characteristic to read from.
*/
public void readCharacteristic(BluetoothGattCharacteristic characteristic) {
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.w(TAG, "BluetoothAdapter not initialized");
return;
}
mBluetoothGatt.readCharacteristic(characteristic);
}
private boolean setACSNotification(UUID charaUUID) {
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.w(TAG, "BluetoothAdapter not initialized");
return false;
}
BluetoothGattCharacteristic chara = getACSCharacteristic(charaUUID);
if (chara == null) {
Log.e(TAG, "Characteristic is null!");
Log.e(TAG, "Enableing Notification failed!");
return false;
}
return setCharacteristicNotification(chara, true);
}
/**
* Enables or disables notification on a give characteristic.
*
* @param characteristic Characteristic to act on.
* @param enabled If true, enable notification. False otherwise.
*/
private boolean setCharacteristicNotification(
BluetoothGattCharacteristic characteristic, boolean enabled) {
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.w(TAG, "BluetoothAdapter not initialized");
return false;
}
mBluetoothGatt.setCharacteristicNotification(characteristic, enabled);
/*BluetoothGattDescriptor descriptor = characteristic.getDescriptor(UUID
.fromString(SampleGattAttributes.CLIENT_CHARACTERISTIC_CONFIG));*/
BluetoothGattDescriptor descriptor = characteristic.getDescriptor(CCC);
descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
return mBluetoothGatt.writeDescriptor(descriptor);
}
private BluetoothGattCharacteristic getACSCharacteristic(UUID charaUUID) {
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.w(TAG, "BluetoothAdapter not initialized");
return null;
}
BluetoothGattService service = mBluetoothGatt.getService(ACS_SERVICE_UUID);
if (service == null) {
Log.e(TAG, "Service is not found!");
return null;
}
BluetoothGattCharacteristic chara = service.getCharacteristic(charaUUID);
return chara;
}
public boolean writePort(byte[] value) {
//ArrayList<byte[]> packages = new ArrayList<byte[]>();
//分包，20Byte为一个package，这是Android一个数据包最大的容量
int rest = value.length;
int count = 0;
packages.clear();
while (rest > 0) {
byte[] blePackage = null;
rest -= 20;
if (rest >= 0) {
blePackage = new byte[20];
for (int j = 0; j < 20; j++) {
blePackage[j] = value[j + count * 20];
}
} else {
rest += 20;
blePackage = new byte[rest];
for (int j = 0; j < rest; j++) {
blePackage[j] = value[j + count * 20];
}
rest -= 20;
}
packages.add(blePackage);
count++;
}
//分次发送
packagesCount = (value.length / 20) + (value.length % 20 > 0 ? 1 : 0);
workerThread = new WorkerThread();
workerThread.start();
return true;
}
private boolean writePackage(byte[] value) {
Log.d(TAG, "writePort 1");
boolean result = false;
if (mBluetoothGatt == null) {
return result;
}
Log.d(TAG, "writePort 2");
BluetoothGattService ACSService = mBluetoothGatt.getService(ACS_SERVICE_UUID);
if (ACSService == null) {
Log.e(TAG, "ACSService == null");
return result;
}
Log.d(TAG, "writePort 3");
BluetoothGattCharacteristic characteristic = ACSService.getCharacteristic(DATA_LINE_UUID);
if (characteristic == null) {
Log.e(TAG, "characteristic == null");
return result;
}
characteristic.setValue(value);
Log.d(TAG, "writePort 4");
Log.d(TAG, "data: " + value.toString());
return mBluetoothGatt.writeCharacteristic(characteristic);
}
/**
* Retrieves a list of supported GATT services on the connected device. This should be
* invoked only after {@code BluetoothGatt#discoverServices()} completes successfully.
*
* @return A {@code List} of supported services.
*/
public List<BluetoothGattService> getSupportedGattServices() {
if (mBluetoothGatt == null) return null;
return mBluetoothGatt.getServices();
}
@Override
public void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
//util.closeACSUtility();
}
class WorkerThread extends Thread {
private int operationResult = 0;
//重传最多三次
private int repeatSendTimes = 0;
public int getOperationResult() {
return operationResult;
}
public void setOperationResult(int operationResult) {
this.operationResult = operationResult;
}
@Override
public void run() {
// TODO Auto-generated method stub
super.run();
int count = 0;
wakeTimes = 0;
Log.d(TAG, "There are " + packagesCount + " datas to be sended...");
while (packagesCount > 0) {
Log.d(TAG, "sending data...count" + count);
byte[] blePackage = packages.get(count);
writePackage(blePackage);
//boolean isWait = false;
synchronized (this) {
Log.d(TAG, "synchronized...");
try {
if (wakeTimes == 0) {
Log.d(TAG, "waiting...");
//设置超时
//TimerThread thread = new TimerThread(packagesCount);
//thread.start();
this.wait();
//isWait = true;
}/* else {
wakeTimes--;
}*/
} catch (InterruptedException e) {
// TODO Auto-generated catch block
//if ()
e.printStackTrace();
}
}
wakeTimes--;
if (operationResult == 1) {
Log.d(TAG, "send succeed");
operationResult = 0;
packagesCount--;
count++;
} else {
//重传
Log.d(TAG, "send failed");
while (repeatSendTimes < 3) {
Log.d(TAG, "repeat send data...count" + count);
writePackage(blePackage);
repeatSendTimes++;
synchronized (this) {
try {
//this.wait();
if (wakeTimes == 0) {
Log.d(TAG, "waiting...");
//设置超时
//TimerThread thread = new TimerThread(packagesCount);
//thread.start();
this.wait();
//isWait = true;
}
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
wakeTimes--;
if (operationResult == 1) {
Log.d(TAG, "repeat succeed");
break;
}
}
if (repeatSendTimes == 3 && operationResult == 0) {
//这一个小包发送失败，要告诉用户啊
Message msg = mCurrentEventHandler.obtainMessage(EVENT_DATA_SEND_FAILED);
msg.sendToTarget();
return;
} else {
repeatSendTimes = 0;
operationResult = 0;
packagesCount--;
count++;
}
}
}
//发送完毕
Message msg = mCurrentEventHandler.obtainMessage(EVENT_DATA_SEND_SUCEED);
msg.sendToTarget();
}
}
class TimerThread extends Thread {
private int mPackagesCount;
public TimerThread(int packagesCount) {
mPackagesCount = packagesCount;
}
@Override
public void run() {
// TODO Auto-generated method stub
super.run();
try {
Thread.sleep(5000);
if (mPackagesCount == packagesCount) {
workerThread.setOperationResult(0);
synchronized (workerThread) {
Log.d(TAG, "notify workerThread from timerThread!!!");
wakeTimes++;
workerThread.notify();
}
}
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
