| /* |
| * Copyright (C) 2016 Google Inc. |
| * |
| * 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 com.googlecode.android_scripting.facade.bluetooth; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.UUID; |
| import java.util.concurrent.Callable; |
| |
| import android.app.Service; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothGatt; |
| import android.bluetooth.BluetoothGattServer; |
| import android.bluetooth.BluetoothManager; |
| import android.bluetooth.BluetoothGattCharacteristic; |
| import android.bluetooth.BluetoothGattServerCallback; |
| import android.bluetooth.BluetoothGattDescriptor; |
| import android.bluetooth.BluetoothGattService; |
| import android.bluetooth.BluetoothProfile; |
| import android.content.Context; |
| import android.os.Bundle; |
| |
| import com.googlecode.android_scripting.ConvertUtils; |
| import com.googlecode.android_scripting.Log; |
| import com.googlecode.android_scripting.MainThread; |
| import com.googlecode.android_scripting.facade.EventFacade; |
| import com.googlecode.android_scripting.facade.FacadeManager; |
| import com.googlecode.android_scripting.jsonrpc.RpcReceiver; |
| import com.googlecode.android_scripting.rpc.Rpc; |
| import com.googlecode.android_scripting.rpc.RpcParameter; |
| |
| public class GattServerFacade extends RpcReceiver { |
| private final EventFacade mEventFacade; |
| private BluetoothAdapter mBluetoothAdapter; |
| private BluetoothManager mBluetoothManager; |
| private final Service mService; |
| private final Context mContext; |
| private final HashMap<Integer, BluetoothGattCharacteristic> mCharacteristicList; |
| private final HashMap<Integer, BluetoothGattDescriptor> mDescriptorList; |
| private final HashMap<Integer, BluetoothGattServer> mBluetoothGattServerList; |
| private final HashMap<Integer, myBluetoothGattServerCallback> mBluetoothGattServerCallbackList; |
| private final HashMap<Integer, BluetoothGattService> mGattServiceList; |
| private final HashMap<Integer, List<BluetoothGattService>> mBluetoothGattDiscoveredServicesList; |
| private final HashMap<Integer, List<BluetoothDevice>> mGattServerDiscoveredDevicesList; |
| private static int CharacteristicCount; |
| private static int DescriptorCount; |
| private static int GattServerCallbackCount; |
| private static int GattServerCount; |
| private static int GattServiceCount; |
| |
| public GattServerFacade(FacadeManager manager) { |
| super(manager); |
| mService = manager.getService(); |
| mContext = mService.getApplicationContext(); |
| mBluetoothAdapter = MainThread.run(mService, new Callable<BluetoothAdapter>() { |
| @Override |
| public BluetoothAdapter call() throws Exception { |
| return BluetoothAdapter.getDefaultAdapter(); |
| } |
| }); |
| mBluetoothManager = (BluetoothManager) mContext.getSystemService(Service.BLUETOOTH_SERVICE); |
| mEventFacade = manager.getReceiver(EventFacade.class); |
| mCharacteristicList = new HashMap<Integer, BluetoothGattCharacteristic>(); |
| mDescriptorList = new HashMap<Integer, BluetoothGattDescriptor>(); |
| mBluetoothGattServerList = new HashMap<Integer, BluetoothGattServer>(); |
| mBluetoothGattServerCallbackList = new HashMap<Integer, myBluetoothGattServerCallback>(); |
| mGattServiceList = new HashMap<Integer, BluetoothGattService>(); |
| mBluetoothGattDiscoveredServicesList = new HashMap<Integer, List<BluetoothGattService>>(); |
| mGattServerDiscoveredDevicesList = new HashMap<Integer, List<BluetoothDevice>>(); |
| } |
| |
| /** |
| * Open a new Gatt server. |
| * |
| * @param index the bluetooth gatt server callback to open on |
| * @return the index of the newly opened gatt server |
| * @throws Exception |
| */ |
| @Rpc(description = "Open new gatt server") |
| public int gattServerOpenGattServer(@RpcParameter(name = "index") Integer index) |
| throws Exception { |
| if (mBluetoothGattServerCallbackList.get(index) != null) { |
| BluetoothGattServer mGattServer = |
| mBluetoothManager.openGattServer(mContext, mBluetoothGattServerCallbackList.get(index)); |
| GattServerCount += 1; |
| int in = GattServerCount; |
| mBluetoothGattServerList.put(in, mGattServer); |
| return in; |
| } else { |
| throw new Exception("Invalid index input:" + Integer.toString(index)); |
| } |
| } |
| |
| /** |
| * Add a service to a bluetooth gatt server |
| * |
| * @param index the bluetooth gatt server to add a service to |
| * @param serviceIndex the service to add to the bluetooth gatt server |
| * @throws Exception |
| */ |
| @Rpc(description = "Add service to bluetooth gatt server") |
| public void gattServerAddService(@RpcParameter(name = "index") Integer index, |
| @RpcParameter(name = "serviceIndex") Integer serviceIndex) throws Exception { |
| if (mBluetoothGattServerList.get(index) != null) { |
| if (mGattServiceList.get(serviceIndex) != null) { |
| mBluetoothGattServerList.get(index).addService(mGattServiceList.get(serviceIndex)); |
| } else { |
| throw new Exception("Invalid serviceIndex input:" + Integer.toString(serviceIndex)); |
| } |
| } else { |
| throw new Exception("Invalid index input:" + Integer.toString(index)); |
| } |
| } |
| |
| /** |
| * Get connected devices of the gatt server |
| * |
| * @param gattServerIndex the gatt server index |
| * @throws Exception |
| */ |
| @Rpc(description = "Return a list of connected gatt devices.") |
| public List<BluetoothDevice> gattServerGetConnectedDevices( |
| @RpcParameter(name = "gattServerIndex") Integer gattServerIndex) throws Exception { |
| if (mBluetoothGattServerList.get(gattServerIndex) == null) { |
| throw new Exception("Invalid gattServerIndex: " + Integer.toString(gattServerIndex)); |
| } |
| List<BluetoothDevice> connectedDevices = |
| mBluetoothManager.getConnectedDevices(BluetoothProfile.GATT_SERVER); |
| mGattServerDiscoveredDevicesList.put(gattServerIndex, connectedDevices); |
| return connectedDevices; |
| } |
| |
| /** |
| * Get connected devices of the gatt server |
| * |
| * @param gattServerIndex the gatt server index |
| * @param bluetoothDeviceIndex the remotely connected bluetooth device |
| * @param requestId the ID of the request that was received with the callback |
| * @param status the status of the request to be sent to the remote devices |
| * @param offset value offset for partial read/write response |
| * @param value the value of the attribute that was read/written |
| * @throws Exception |
| */ |
| @Rpc(description = "Send a response after a write.") |
| public void gattServerSendResponse( |
| @RpcParameter(name = "gattServerIndex") Integer gattServerIndex, |
| @RpcParameter(name = "bluetoothDeviceIndex") Integer bluetoothDeviceIndex, |
| @RpcParameter(name = "requestId") Integer requestId, |
| @RpcParameter(name = "status") Integer status, @RpcParameter(name = "offset") Integer offset, |
| @RpcParameter(name = "value") String value) throws Exception { |
| |
| BluetoothGattServer gattServer = mBluetoothGattServerList.get(gattServerIndex); |
| if (gattServer == null) |
| throw new Exception("Invalid gattServerIndex: " + Integer.toString(gattServerIndex)); |
| List<BluetoothDevice> connectedDevices = mGattServerDiscoveredDevicesList.get(gattServerIndex); |
| if (connectedDevices == null) |
| throw new Exception( |
| "Connected device list empty for gattServerIndex:" + Integer.toString(gattServerIndex)); |
| BluetoothDevice bluetoothDevice = connectedDevices.get(bluetoothDeviceIndex); |
| if (bluetoothDevice == null) |
| throw new Exception( |
| "Invalid bluetoothDeviceIndex: " + Integer.toString(bluetoothDeviceIndex)); |
| gattServer.sendResponse(bluetoothDevice, requestId, status, offset, |
| ConvertUtils.convertStringToByteArray(value)); |
| } |
| |
| /** |
| * Create a new bluetooth gatt service |
| * |
| * @param uuid the UUID that characterises the service |
| * @param serviceType the service type |
| * @return The index of the new bluetooth gatt service |
| */ |
| @Rpc(description = "Create new bluetooth gatt service") |
| public int gattServerCreateService(@RpcParameter(name = "uuid") String uuid, |
| @RpcParameter(name = "serviceType") Integer serviceType) { |
| GattServiceCount += 1; |
| int index = GattServiceCount; |
| mGattServiceList.put(index, new BluetoothGattService(UUID.fromString(uuid), serviceType)); |
| return index; |
| } |
| |
| /** |
| * Add a characteristic to a bluetooth gatt service |
| * |
| * @param index the bluetooth gatt service index |
| * @param serviceUuid the service Uuid to get |
| * @param characteristicIndex the character index to use |
| * @throws Exception |
| */ |
| @Rpc(description = "Add a characteristic to a bluetooth gatt service") |
| public void gattServiceAddCharacteristic(@RpcParameter(name = "index") Integer index, |
| @RpcParameter(name = "serviceUuid") String serviceUuid, |
| @RpcParameter(name = "characteristicIndex") Integer characteristicIndex) throws Exception { |
| if (mBluetoothGattServerList.get(index) != null |
| && mBluetoothGattServerList.get(index).getService(UUID.fromString(serviceUuid)) != null |
| && mCharacteristicList.get(characteristicIndex) != null) { |
| mBluetoothGattServerList.get(index).getService(UUID.fromString(serviceUuid)) |
| .addCharacteristic(mCharacteristicList.get(characteristicIndex)); |
| } else { |
| if (mBluetoothGattServerList.get(index) == null) { |
| throw new Exception("Invalid index input:" + index); |
| } else if (mCharacteristicList.get(characteristicIndex) == null) { |
| throw new Exception("Invalid characteristicIndex input:" + characteristicIndex); |
| } else { |
| throw new Exception("Invalid serviceUuid input:" + serviceUuid); |
| } |
| } |
| } |
| |
| /** |
| * Add a characteristic to a bluetooth gatt service |
| * |
| * @param index the bluetooth gatt service to add a characteristic to |
| * @param characteristicIndex the characteristic to add |
| * @throws Exception |
| */ |
| @Rpc(description = "Add a characteristic to a bluetooth gatt service") |
| public void gattServerAddCharacteristicToService(@RpcParameter(name = "index") Integer index, |
| @RpcParameter(name = "characteristicIndex") Integer characteristicIndex |
| |
| ) throws Exception { |
| if (mGattServiceList.get(index) != null) { |
| if (mCharacteristicList.get(characteristicIndex) != null) { |
| mGattServiceList.get(index).addCharacteristic(mCharacteristicList.get(characteristicIndex)); |
| } else { |
| throw new Exception("Invalid index input:" + index); |
| } |
| } else { |
| throw new Exception("Invalid index input:" + index); |
| } |
| } |
| |
| /** |
| * Close a bluetooth gatt |
| * |
| * @param index the bluetooth gatt index to close |
| * @throws Exception |
| */ |
| @Rpc(description = "Close a bluetooth gatt") |
| public void gattServerClose(@RpcParameter(name = "index") Integer index) throws Exception { |
| if (mBluetoothGattServerList.get(index) != null) { |
| mBluetoothGattServerList.get(index).close(); |
| } else { |
| throw new Exception("Invalid index input:" + index); |
| } |
| } |
| |
| /** |
| * Get a list of Bluetooth Devices connnected to the bluetooth gatt |
| * |
| * @param index the bluetooth gatt index |
| * @return List of BluetoothDevice Objects |
| * @throws Exception |
| */ |
| @Rpc(description = "Get a list of Bluetooth Devices connnected to the bluetooth gatt") |
| public List<BluetoothDevice> gattGetConnectedDevices(@RpcParameter(name = "index") Integer index) |
| throws Exception { |
| if (mBluetoothGattServerList.get(index) != null) { |
| return mBluetoothGattServerList.get(index).getConnectedDevices(); |
| } else { |
| throw new Exception("Invalid index input:" + index); |
| } |
| } |
| |
| /** |
| * Get the service from an input UUID |
| * |
| * @param index the bluetooth gatt index |
| * @return BluetoothGattService related to the bluetooth gatt |
| * @throws Exception |
| */ |
| @Rpc(description = "Get the service from an input UUID") |
| public ArrayList<String> gattGetServiceUuidList(@RpcParameter(name = "index") Integer index) |
| throws Exception { |
| if (mBluetoothGattServerList.get(index) != null) { |
| ArrayList<String> serviceUuidList = new ArrayList<String>(); |
| for (BluetoothGattService service : mBluetoothGattServerList.get(index).getServices()) { |
| serviceUuidList.add(service.getUuid().toString()); |
| } |
| return serviceUuidList; |
| } else { |
| throw new Exception("Invalid index input:" + index); |
| } |
| } |
| |
| /** |
| * Get the service from an input UUID |
| * |
| * @param index the bluetooth gatt index |
| * @param uuid the String uuid that matches the service |
| * @return BluetoothGattService related to the bluetooth gatt |
| * @throws Exception |
| */ |
| @Rpc(description = "Get the service from an input UUID") |
| public BluetoothGattService gattGetService(@RpcParameter(name = "index") Integer index, |
| @RpcParameter(name = "uuid") String uuid) throws Exception { |
| if (mBluetoothGattServerList.get(index) != null) { |
| return mBluetoothGattServerList.get(index).getService(UUID.fromString(uuid)); |
| } else { |
| throw new Exception("Invalid index input:" + index); |
| } |
| } |
| |
| /** |
| * Add a descriptor to a bluetooth gatt characteristic |
| * |
| * @param index the bluetooth gatt characteristic to add a descriptor to |
| * @param descriptorIndex the descritor index to add to the characteristic |
| * @throws Exception |
| */ |
| @Rpc(description = "add descriptor to blutooth gatt characteristic") |
| public void gattServerCharacteristicAddDescriptor(@RpcParameter(name = "index") Integer index, |
| @RpcParameter(name = "descriptorIndex") Integer descriptorIndex) throws Exception { |
| if (mCharacteristicList.get(index) != null) { |
| if (mDescriptorList.get(descriptorIndex) != null) { |
| mCharacteristicList.get(index).addDescriptor(mDescriptorList.get(descriptorIndex)); |
| } else { |
| throw new Exception("Invalid descriptorIndex input:" + descriptorIndex); |
| } |
| } else { |
| throw new Exception("Invalid index input:" + index); |
| } |
| } |
| |
| /** |
| * Create a new Characteristic object |
| * |
| * @param characteristicUuid uuid The UUID for this characteristic |
| * @param property Properties of this characteristic |
| * @param permission permissions Permissions for this characteristic |
| * @return |
| */ |
| @Rpc(description = "Create a new Characteristic object") |
| public int gattServerCreateBluetoothGattCharacteristic( |
| @RpcParameter(name = "characteristicUuid") String characteristicUuid, |
| @RpcParameter(name = "property") Integer property, |
| @RpcParameter(name = "permission") Integer permission) { |
| CharacteristicCount += 1; |
| int index = CharacteristicCount; |
| BluetoothGattCharacteristic characteristic = |
| new BluetoothGattCharacteristic(UUID.fromString(characteristicUuid), property, permission); |
| mCharacteristicList.put(index, characteristic); |
| return index; |
| } |
| |
| /** |
| * Create a new GattCallback object |
| * |
| * @return the index of the callback object |
| */ |
| @Rpc(description = "Create a new GattCallback object") |
| public Integer gattServerCreateGattServerCallback() { |
| GattServerCallbackCount += 1; |
| int index = GattServerCallbackCount; |
| mBluetoothGattServerCallbackList.put(index, new myBluetoothGattServerCallback(index)); |
| return index; |
| } |
| |
| /** |
| * Create a new Descriptor object |
| * |
| * @param descriptorUuid the UUID for this descriptor |
| * @param permissions Permissions for this descriptor |
| * @return the index of the Descriptor object |
| */ |
| @Rpc(description = "Create a new Descriptor object") |
| public int gattServerCreateBluetoothGattDescriptor( |
| @RpcParameter(name = "descriptorUuid") String descriptorUuid, |
| @RpcParameter(name = "permissions") Integer permissions) { |
| DescriptorCount += 1; |
| int index = DescriptorCount; |
| BluetoothGattDescriptor descriptor = |
| new BluetoothGattDescriptor(UUID.fromString(descriptorUuid), permissions); |
| mDescriptorList.put(index, descriptor); |
| return index; |
| } |
| |
| private class myBluetoothGattServerCallback extends BluetoothGattServerCallback { |
| private final Bundle mResults; |
| private final int index; |
| private final String mEventType; |
| |
| public myBluetoothGattServerCallback(int idx) { |
| mResults = new Bundle(); |
| mEventType = "GattServer"; |
| index = idx; |
| } |
| |
| @Override |
| public void onServiceAdded(int status, BluetoothGattService service) { |
| Log.d("gatt_server change onServiceAdded " + mEventType + " " + index); |
| mResults.putString("serviceUuid", service.getUuid().toString()); |
| mResults.putInt("instanceId", service.getInstanceId()); |
| mEventFacade.postEvent(mEventType + index + "onServiceAdded", mResults.clone()); |
| mResults.clear(); |
| } |
| |
| @Override |
| public void onCharacteristicReadRequest(BluetoothDevice device, int requestId, int offset, |
| BluetoothGattCharacteristic characteristic) { |
| Log.d("gatt_server change onCharacteristicReadRequest " + mEventType + " " + index); |
| mResults.putInt("requestId", requestId); |
| mResults.putInt("offset", offset); |
| mResults.putInt("instanceId", characteristic.getInstanceId()); |
| mResults.putInt("properties", characteristic.getProperties()); |
| mResults.putString("uuid", characteristic.getUuid().toString()); |
| mResults.putInt("permissions", characteristic.getPermissions()); |
| mEventFacade.postEvent(mEventType + index + "onCharacteristicReadRequest", mResults.clone()); |
| mResults.clear(); |
| } |
| |
| @Override |
| public void onCharacteristicWriteRequest(BluetoothDevice device, int requestId, |
| BluetoothGattCharacteristic characteristic, boolean preparedWrite, boolean responseNeeded, |
| int offset, byte[] value) { |
| Log.d("gatt_server change onCharacteristicWriteRequest " + mEventType + " " + index); |
| mResults.putInt("requestId", requestId); |
| mResults.putInt("offset", offset); |
| mResults.putParcelable("BluetoothDevice", device); |
| mResults.putBoolean("preparedWrite", preparedWrite); |
| mResults.putBoolean("responseNeeded", responseNeeded); |
| mResults.putString("value", ConvertUtils.convertByteArrayToString(value)); |
| mResults.putInt("instanceId", characteristic.getInstanceId()); |
| mResults.putInt("properties", characteristic.getProperties()); |
| mResults.putString("uuid", characteristic.getUuid().toString()); |
| mResults.putInt("permissions", characteristic.getPermissions()); |
| mEventFacade.postEvent(mEventType + index + "onCharacteristicWriteRequest", mResults.clone()); |
| mResults.clear(); |
| |
| } |
| |
| @Override |
| public void onDescriptorReadRequest(BluetoothDevice device, int requestId, int offset, |
| BluetoothGattDescriptor descriptor) { |
| Log.d("gatt_server change onDescriptorReadRequest " + mEventType + " " + index); |
| mResults.putInt("requestId", requestId); |
| mResults.putInt("offset", offset); |
| mResults.putParcelable("BluetoothDevice", device); |
| mResults.putInt("instanceId", descriptor.getInstanceId()); |
| mResults.putInt("permissions", descriptor.getPermissions()); |
| mResults.putString("uuid", descriptor.getUuid().toString()); |
| mEventFacade.postEvent(mEventType + index + "onDescriptorReadRequest", mResults.clone()); |
| mResults.clear(); |
| } |
| |
| @Override |
| public void onDescriptorWriteRequest(BluetoothDevice device, int requestId, |
| BluetoothGattDescriptor descriptor, boolean preparedWrite, boolean responseNeeded, |
| int offset, byte[] value) { |
| Log.d("gatt_server change onDescriptorWriteRequest " + mEventType + " " + index); |
| mResults.putInt("requestId", requestId); |
| mResults.putInt("offset", offset); |
| mResults.putParcelable("BluetoothDevice", device); |
| mResults.putBoolean("preparedWrite", preparedWrite); |
| mResults.putBoolean("responseNeeded", responseNeeded); |
| mResults.putString("value", ConvertUtils.convertByteArrayToString(value)); |
| mResults.putInt("instanceId", descriptor.getInstanceId()); |
| mResults.putInt("permissions", descriptor.getPermissions()); |
| mResults.putString("uuid", descriptor.getUuid().toString()); |
| mEventFacade.postEvent(mEventType + index + "onDescriptorWriteRequest", mResults.clone()); |
| mResults.clear(); |
| } |
| |
| @Override |
| public void onExecuteWrite(BluetoothDevice device, int requestId, boolean execute) { |
| Log.d("gatt_server change onExecuteWrite " + mEventType + " " + index); |
| mResults.putParcelable("BluetoothDevice", device); |
| mResults.putInt("requestId", requestId); |
| mResults.putBoolean("execute", execute); |
| mEventFacade.postEvent(mEventType + index + "onExecuteWrite", mResults.clone()); |
| mResults.clear(); |
| } |
| |
| @Override |
| public void onNotificationSent(BluetoothDevice device, int status) { |
| Log.d("gatt_server change onNotificationSent " + mEventType + " " + index); |
| mResults.putParcelable("BluetoothDevice", device); |
| mResults.putInt("status", status); |
| mEventFacade.postEvent(mEventType + index + "onNotificationSent", mResults.clone()); |
| mResults.clear(); |
| } |
| |
| @Override |
| public void onConnectionStateChange(BluetoothDevice device, int status, int newState) { |
| Log.d("gatt_server change onConnectionStateChange " + mEventType + " " + index); |
| if (newState == BluetoothProfile.STATE_CONNECTED) { |
| Log.d("State Connected to mac address " + device.getAddress() + " status " + status); |
| } else if (newState == BluetoothProfile.STATE_DISCONNECTED) { |
| Log.d("State Disconnected from mac address " + device.getAddress() + " status " + status); |
| } |
| mResults.putParcelable("BluetoothDevice", device); |
| mResults.putInt("status", status); |
| mResults.putInt("newState", newState); |
| mEventFacade.postEvent(mEventType + index + "onConnectionStateChange", mResults.clone()); |
| mResults.clear(); |
| } |
| |
| @Override |
| public void onMtuChanged(BluetoothDevice device, int mtu) { |
| Log.d("gatt_server change onMtuChanged " + mEventType + " " + index); |
| mResults.putParcelable("BluetoothDevice", device); |
| mResults.putInt("mtu", mtu); |
| mEventFacade.postEvent(mEventType + index + "onMtuChanged", mResults.clone()); |
| mResults.clear(); |
| } |
| } |
| |
| @Override |
| public void shutdown() { |
| if (!mBluetoothGattServerList.isEmpty()) { |
| if (mBluetoothGattServerList.values() != null) { |
| for (BluetoothGattServer mBluetoothGattServer : mBluetoothGattServerList.values()) { |
| mBluetoothGattServer.close(); |
| } |
| } |
| } |
| } |
| } |