| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 Lauri Laanmets (Proekspert AS) <lauri.laanmets@eesti.ee> |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtBluetooth module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include <jni.h> |
| #include <android/log.h> |
| #include <QtCore/QLoggingCategory> |
| #include <QtBluetooth/qtbluetoothglobal.h> |
| #include "android/jni_android_p.h" |
| #include "android/androidbroadcastreceiver_p.h" |
| #include "android/serveracceptancethread_p.h" |
| #include "android/inputstreamthread_p.h" |
| #include "android/lowenergynotificationhub_p.h" |
| |
| Q_DECLARE_LOGGING_CATEGORY(QT_BT_ANDROID) |
| |
| typedef QHash<QByteArray, QAndroidJniObject> JCachedStringFields; |
| Q_GLOBAL_STATIC(JCachedStringFields, cachedStringFields) |
| |
| //Java class names |
| static const char * const javaBluetoothAdapterClassName = "android/bluetooth/BluetoothAdapter"; |
| static const char * const javaBluetoothDeviceClassName = "android/bluetooth/BluetoothDevice" ; |
| |
| //Java field names |
| static const char * const javaActionAclConnected = "ACTION_ACL_CONNECTED"; |
| static const char * const javaActionAclDisconnected = "ACTION_ACL_DISCONNECTED"; |
| static const char * const javaActionBondStateChanged = "ACTION_BOND_STATE_CHANGED"; |
| static const char * const javaActionDiscoveryStarted = "ACTION_DISCOVERY_STARTED"; |
| static const char * const javaActionDiscoveryFinished = "ACTION_DISCOVERY_FINISHED"; |
| static const char * const javaActionFound = "ACTION_FOUND"; |
| static const char * const javaActionPairingRequest = "ACTION_PAIRING_REQUEST"; |
| static const char * const javaActionScanModeChanged = "ACTION_SCAN_MODE_CHANGED"; |
| static const char * const javaActionUuid = "ACTION_UUID"; |
| static const char * const javaExtraBondState = "EXTRA_BOND_STATE"; |
| static const char * const javaExtraDevice = "EXTRA_DEVICE"; |
| static const char * const javaExtraPairingKey = "EXTRA_PAIRING_KEY"; |
| static const char * const javaExtraPairingVariant = "EXTRA_PAIRING_VARIANT"; |
| static const char * const javaExtraRssi = "EXTRA_RSSI"; |
| static const char * const javaExtraScanMode = "EXTRA_SCAN_MODE"; |
| static const char * const javaExtraUuid = "EXTRA_UUID"; |
| |
| /* |
| * This function operates on the assumption that each |
| * field is of type java/lang/String. |
| */ |
| QAndroidJniObject valueForStaticField(JavaNames javaName, JavaNames javaFieldName) |
| { |
| //construct key |
| //the switch statements are used to reduce the number of duplicated strings |
| //in the library |
| |
| const char* className; |
| switch (javaName) { |
| case JavaNames::BluetoothAdapter: |
| className = javaBluetoothAdapterClassName; break; |
| case JavaNames::BluetoothDevice: |
| className = javaBluetoothDeviceClassName; break; |
| default: |
| qCWarning(QT_BT_ANDROID) << "Unknown java class name passed to valueForStaticField():" << javaName; |
| return QAndroidJniObject(); |
| } |
| |
| const char *fieldName; |
| switch (javaFieldName) { |
| case JavaNames::ActionAclConnected: |
| fieldName = javaActionAclConnected; break; |
| case JavaNames::ActionAclDisconnected: |
| fieldName = javaActionAclDisconnected; break; |
| case JavaNames::ActionBondStateChanged: |
| fieldName = javaActionBondStateChanged; break; |
| case JavaNames::ActionDiscoveryStarted: |
| fieldName = javaActionDiscoveryStarted; break; |
| case JavaNames::ActionDiscoveryFinished: |
| fieldName = javaActionDiscoveryFinished; break; |
| case JavaNames::ActionFound: |
| fieldName = javaActionFound; break; |
| case JavaNames::ActionPairingRequest: |
| fieldName = javaActionPairingRequest; break; |
| case JavaNames::ActionScanModeChanged: |
| fieldName = javaActionScanModeChanged; break; |
| case JavaNames::ActionUuid: |
| fieldName = javaActionUuid; break; |
| case JavaNames::ExtraBondState: |
| fieldName = javaExtraBondState; break; |
| case JavaNames::ExtraDevice: |
| fieldName = javaExtraDevice; break; |
| case JavaNames::ExtraPairingKey: |
| fieldName = javaExtraPairingKey; break; |
| case JavaNames::ExtraPairingVariant: |
| fieldName = javaExtraPairingVariant; break; |
| case JavaNames::ExtraRssi: |
| fieldName = javaExtraRssi; break; |
| case JavaNames::ExtraScanMode: |
| fieldName = javaExtraScanMode; break; |
| case JavaNames::ExtraUuid: |
| fieldName = javaExtraUuid; break; |
| default: |
| qCWarning(QT_BT_ANDROID) << "Unknown java field name passed to valueForStaticField():" << javaFieldName; |
| return QAndroidJniObject(); |
| } |
| |
| int offset_class = qstrlen(className); |
| int offset_field = qstrlen(fieldName); |
| QByteArray key(offset_class + offset_field, Qt::Uninitialized); |
| memcpy(key.data(), className, offset_class); |
| memcpy(key.data()+offset_class, fieldName, offset_field); |
| |
| JCachedStringFields::iterator it = cachedStringFields()->find(key); |
| if (it == cachedStringFields()->end()) { |
| QAndroidJniEnvironment env; |
| QAndroidJniObject fieldValue = QAndroidJniObject::getStaticObjectField( |
| className, fieldName, "Ljava/lang/String;"); |
| if (env->ExceptionCheck()) { |
| env->ExceptionDescribe(); |
| env->ExceptionClear(); |
| cachedStringFields()->insert(key, QAndroidJniObject()); |
| return QAndroidJniObject(); |
| } |
| |
| cachedStringFields()->insert(key, fieldValue); |
| return fieldValue; |
| } else { |
| return it.value(); |
| } |
| } |
| |
| void QtBroadcastReceiver_jniOnReceive(JNIEnv *env, jobject /*javaObject*/, |
| jlong qtObject, jobject context, jobject intent) |
| { |
| reinterpret_cast<AndroidBroadcastReceiver*>(qtObject)->onReceive(env, context, intent); |
| } |
| |
| static void QtBluetoothSocketServer_errorOccurred(JNIEnv */*env*/, jobject /*javaObject*/, |
| jlong qtObject, jint errorCode) |
| { |
| reinterpret_cast<ServerAcceptanceThread*>(qtObject)->javaThreadErrorOccurred(errorCode); |
| } |
| |
| static void QtBluetoothSocketServer_newSocket(JNIEnv */*env*/, jobject /*javaObject*/, |
| jlong qtObject, jobject socket) |
| { |
| reinterpret_cast<ServerAcceptanceThread*>(qtObject)->javaNewSocket(socket); |
| } |
| |
| static void QtBluetoothInputStreamThread_errorOccurred(JNIEnv */*env*/, jobject /*javaObject*/, |
| jlong qtObject, jint errorCode) |
| { |
| reinterpret_cast<InputStreamThread*>(qtObject)->javaThreadErrorOccurred(errorCode); |
| } |
| |
| static void QtBluetoothInputStreamThread_readyData(JNIEnv */*env*/, jobject /*javaObject*/, |
| jlong qtObject, jbyteArray buffer, jint bufferLength) |
| { |
| reinterpret_cast<InputStreamThread*>(qtObject)->javaReadyRead(buffer, bufferLength); |
| } |
| |
| void QtBluetoothLE_leScanResult(JNIEnv *env, jobject, jlong qtObject, jobject bluetoothDevice, |
| jint rssi, jbyteArray scanRecord) |
| { |
| if (Q_UNLIKELY(qtObject == 0)) |
| return; |
| |
| reinterpret_cast<AndroidBroadcastReceiver*>(qtObject)->onReceiveLeScan( |
| env, bluetoothDevice, rssi, |
| scanRecord); |
| } |
| |
| |
| static JNINativeMethod methods[] = { |
| {"jniOnReceive", "(JLandroid/content/Context;Landroid/content/Intent;)V", |
| (void *) QtBroadcastReceiver_jniOnReceive}, |
| }; |
| |
| static JNINativeMethod methods_le[] = { |
| {"leScanResult", "(JLandroid/bluetooth/BluetoothDevice;I[B)V", |
| (void *) QtBluetoothLE_leScanResult}, |
| {"leConnectionStateChange", "(JII)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_connectionChange}, |
| {"leServicesDiscovered", "(JILjava/lang/String;)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_servicesDiscovered}, |
| {"leServiceDetailDiscoveryFinished", "(JLjava/lang/String;II)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_serviceDetailsDiscovered}, |
| {"leCharacteristicRead", "(JLjava/lang/String;ILjava/lang/String;I[B)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_characteristicRead}, |
| {"leDescriptorRead", "(JLjava/lang/String;Ljava/lang/String;ILjava/lang/String;[B)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_descriptorRead}, |
| {"leCharacteristicWritten", "(JI[BI)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_characteristicWritten}, |
| {"leDescriptorWritten", "(JI[BI)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_descriptorWritten}, |
| {"leCharacteristicChanged", "(JI[B)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_characteristicChanged}, |
| {"leServiceError", "(JII)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_serviceError}, |
| }; |
| |
| static JNINativeMethod methods_leServer[] = { |
| {"leServerConnectionStateChange", "(JII)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_connectionChange}, |
| {"leServerAdvertisementError", "(JI)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_advertisementError}, |
| {"leServerCharacteristicChanged", "(JLandroid/bluetooth/BluetoothGattCharacteristic;[B)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_serverCharacteristicChanged}, |
| {"leServerDescriptorWritten", "(JLandroid/bluetooth/BluetoothGattDescriptor;[B)V", |
| (void *) LowEnergyNotificationHub::lowEnergy_serverDescriptorWritten}, |
| }; |
| |
| static JNINativeMethod methods_server[] = { |
| {"errorOccurred", "(JI)V", |
| (void *) QtBluetoothSocketServer_errorOccurred}, |
| {"newSocket", "(JLandroid/bluetooth/BluetoothSocket;)V", |
| (void *) QtBluetoothSocketServer_newSocket}, |
| }; |
| |
| static JNINativeMethod methods_inputStream[] = { |
| {"errorOccurred", "(JI)V", |
| (void *) QtBluetoothInputStreamThread_errorOccurred}, |
| {"readyData", "(J[BI)V", |
| (void *) QtBluetoothInputStreamThread_readyData}, |
| }; |
| |
| static const char logTag[] = "QtBluetooth"; |
| static const char classErrorMsg[] = "Can't find class \"%s\""; |
| |
| #define FIND_AND_CHECK_CLASS(CLASS_NAME) \ |
| clazz = env->FindClass(CLASS_NAME); \ |
| if (!clazz) { \ |
| __android_log_print(ANDROID_LOG_FATAL, logTag, classErrorMsg, CLASS_NAME); \ |
| return JNI_FALSE; \ |
| } |
| |
| static bool registerNatives(JNIEnv *env) |
| { |
| jclass clazz; |
| FIND_AND_CHECK_CLASS("org/qtproject/qt5/android/bluetooth/QtBluetoothBroadcastReceiver"); |
| |
| if (env->RegisterNatives(clazz, methods, sizeof(methods) / sizeof(methods[0])) < 0) { |
| __android_log_print(ANDROID_LOG_FATAL, logTag, "RegisterNatives for BroadcastReceiver failed"); |
| return false; |
| } |
| |
| FIND_AND_CHECK_CLASS("org/qtproject/qt5/android/bluetooth/QtBluetoothLE"); |
| if (env->RegisterNatives(clazz, methods_le, sizeof(methods_le) / sizeof(methods_le[0])) < 0) { |
| __android_log_print(ANDROID_LOG_FATAL, logTag, "RegisterNatives for QBLuetoothLE failed"); |
| return false; |
| } |
| |
| FIND_AND_CHECK_CLASS("org/qtproject/qt5/android/bluetooth/QtBluetoothLEServer"); |
| if (env->RegisterNatives(clazz, methods_leServer, sizeof(methods_leServer) / sizeof(methods_leServer[0])) < 0) { |
| __android_log_print(ANDROID_LOG_FATAL, logTag, "RegisterNatives for QBLuetoothLEServer failed"); |
| return false; |
| } |
| |
| FIND_AND_CHECK_CLASS("org/qtproject/qt5/android/bluetooth/QtBluetoothSocketServer"); |
| if (env->RegisterNatives(clazz, methods_server, sizeof(methods_server) / sizeof(methods_server[0])) < 0) { |
| __android_log_print(ANDROID_LOG_FATAL, logTag, "RegisterNatives for SocketServer failed"); |
| return false; |
| } |
| |
| FIND_AND_CHECK_CLASS("org/qtproject/qt5/android/bluetooth/QtBluetoothInputStreamThread"); |
| if (env->RegisterNatives(clazz, methods_inputStream, |
| sizeof(methods_inputStream) / sizeof(methods_inputStream[0])) < 0) { |
| __android_log_print(ANDROID_LOG_FATAL, logTag, "RegisterNatives for InputStreamThread failed"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| Q_BLUETOOTH_EXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void* /*reserved*/) |
| { |
| static bool initialized = false; |
| if (initialized) |
| return JNI_VERSION_1_6; |
| initialized = true; |
| |
| typedef union { |
| JNIEnv *nativeEnvironment; |
| void *venv; |
| } UnionJNIEnvToVoid; |
| |
| UnionJNIEnvToVoid uenv; |
| uenv.venv = 0; |
| |
| if (vm->GetEnv(&uenv.venv, JNI_VERSION_1_6) != JNI_OK) { |
| __android_log_print(ANDROID_LOG_FATAL, logTag, "GetEnv failed"); |
| return -1; |
| } |
| |
| JNIEnv *env = uenv.nativeEnvironment; |
| if (!registerNatives(env)) { |
| __android_log_print(ANDROID_LOG_FATAL, logTag, "registerNatives failed"); |
| return -1; |
| } |
| |
| if (QT_BT_ANDROID().isDebugEnabled()) |
| __android_log_print(ANDROID_LOG_INFO, logTag, "Bluetooth start"); |
| |
| return JNI_VERSION_1_6; |
| } |