| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #define LOG_TAG "BluetoothPanServiceJni" |
| |
| #define LOG_NDEBUG 0 |
| |
| #define CHECK_CALLBACK_ENV \ |
| if (!checkCallbackThread()) { \ |
| error("Callback: '%s' is not called on the correct thread", __FUNCTION__);\ |
| return; \ |
| } |
| |
| #include "com_android_bluetooth.h" |
| #include "hardware/bt_pan.h" |
| #include "utils/Log.h" |
| #include "android_runtime/AndroidRuntime.h" |
| |
| #include <string.h> |
| |
| #include <cutils/log.h> |
| #define info(fmt, ...) ALOGI ("%s(L%d): " fmt,__FUNCTION__, __LINE__, ## __VA_ARGS__) |
| #define debug(fmt, ...) ALOGD ("%s(L%d): " fmt,__FUNCTION__, __LINE__, ## __VA_ARGS__) |
| #define warn(fmt, ...) ALOGW ("## WARNING : %s(L%d): " fmt "##",__FUNCTION__, __LINE__, ## __VA_ARGS__) |
| #define error(fmt, ...) ALOGE ("## ERROR : %s(L%d): " fmt "##",__FUNCTION__, __LINE__, ## __VA_ARGS__) |
| #define asrt(s) if(!(s)) ALOGE ("## %s(L%d): ASSERT %s failed! ##",__FUNCTION__, __LINE__, #s) |
| |
| |
| namespace android { |
| |
| static jmethodID method_onConnectStateChanged; |
| static jmethodID method_onControlStateChanged; |
| |
| static const btpan_interface_t *sPanIf = NULL; |
| static jobject mCallbacksObj = NULL; |
| static JNIEnv *sCallbackEnv = NULL; |
| |
| static bool checkCallbackThread() { |
| sCallbackEnv = getCallbackEnv(); |
| |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| if (sCallbackEnv != env || sCallbackEnv == NULL) return false; |
| return true; |
| } |
| |
| static void control_state_callback(btpan_control_state_t state, bt_status_t error, int local_role, |
| const char* ifname) { |
| debug("state:%d, local_role:%d, ifname:%s", state, local_role, ifname); |
| CHECK_CALLBACK_ENV |
| jstring js_ifname = sCallbackEnv->NewStringUTF(ifname); |
| sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onControlStateChanged, (jint)state, (jint)error, |
| (jint)local_role, js_ifname); |
| sCallbackEnv->DeleteLocalRef(js_ifname); |
| } |
| |
| static void connection_state_callback(btpan_connection_state_t state, bt_status_t error, const bt_bdaddr_t *bd_addr, |
| int local_role, int remote_role) { |
| jbyteArray addr; |
| debug("state:%d, local_role:%d, remote_role:%d", state, local_role, remote_role); |
| CHECK_CALLBACK_ENV |
| addr = sCallbackEnv->NewByteArray(sizeof(bt_bdaddr_t)); |
| if (!addr) { |
| error("Fail to new jbyteArray bd addr for PAN channel state"); |
| checkAndClearExceptionFromCallback(sCallbackEnv, __FUNCTION__); |
| return; |
| } |
| sCallbackEnv->SetByteArrayRegion(addr, 0, sizeof(bt_bdaddr_t), (jbyte *) bd_addr); |
| |
| sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onConnectStateChanged, addr, (jint) state, |
| (jint)error, (jint)local_role, (jint)remote_role); |
| checkAndClearExceptionFromCallback(sCallbackEnv, __FUNCTION__); |
| sCallbackEnv->DeleteLocalRef(addr); |
| } |
| |
| static btpan_callbacks_t sBluetoothPanCallbacks = { |
| sizeof(sBluetoothPanCallbacks), |
| control_state_callback, |
| connection_state_callback |
| }; |
| |
| // Define native functions |
| |
| static void classInitNative(JNIEnv* env, jclass clazz) { |
| int err; |
| bt_status_t status; |
| |
| method_onConnectStateChanged = env->GetMethodID(clazz, "onConnectStateChanged", |
| "([BIIII)V"); |
| method_onControlStateChanged = env->GetMethodID(clazz, "onControlStateChanged", |
| "(IIILjava/lang/String;)V"); |
| |
| info("succeeds"); |
| } |
| static const bt_interface_t* btIf; |
| |
| static void initializeNative(JNIEnv *env, jobject object) { |
| debug("pan"); |
| if(btIf) |
| return; |
| |
| if ( (btIf = getBluetoothInterface()) == NULL) { |
| error("Bluetooth module is not loaded"); |
| return; |
| } |
| |
| if (sPanIf !=NULL) { |
| ALOGW("Cleaning up Bluetooth PAN Interface before initializing..."); |
| sPanIf->cleanup(); |
| sPanIf = NULL; |
| } |
| |
| if (mCallbacksObj != NULL) { |
| ALOGW("Cleaning up Bluetooth PAN callback object"); |
| env->DeleteGlobalRef(mCallbacksObj); |
| mCallbacksObj = NULL; |
| } |
| |
| if ( (sPanIf = (btpan_interface_t *) |
| btIf->get_profile_interface(BT_PROFILE_PAN_ID)) == NULL) { |
| error("Failed to get Bluetooth PAN Interface"); |
| return; |
| } |
| |
| bt_status_t status; |
| if ( (status = sPanIf->init(&sBluetoothPanCallbacks)) != BT_STATUS_SUCCESS) { |
| error("Failed to initialize Bluetooth PAN, status: %d", status); |
| sPanIf = NULL; |
| return; |
| } |
| |
| mCallbacksObj = env->NewGlobalRef(object); |
| } |
| |
| static void cleanupNative(JNIEnv *env, jobject object) { |
| bt_status_t status; |
| if (!btIf) return; |
| |
| if (sPanIf !=NULL) { |
| ALOGW("Cleaning up Bluetooth PAN Interface..."); |
| sPanIf->cleanup(); |
| sPanIf = NULL; |
| } |
| |
| if (mCallbacksObj != NULL) { |
| ALOGW("Cleaning up Bluetooth PAN callback object"); |
| env->DeleteGlobalRef(mCallbacksObj); |
| mCallbacksObj = NULL; |
| } |
| btIf = NULL; |
| } |
| |
| static jboolean enablePanNative(JNIEnv *env, jobject object, jint local_role) { |
| bt_status_t status = BT_STATUS_FAIL; |
| debug("in"); |
| jbyte *addr; |
| if (sPanIf) |
| status = sPanIf->enable(local_role); |
| debug("out"); |
| return status == BT_STATUS_SUCCESS ? JNI_TRUE : JNI_FALSE; |
| } |
| static jint getPanLocalRoleNative(JNIEnv *env, jobject object) { |
| debug("in"); |
| int local_role = 0; |
| jbyte *addr; |
| if (sPanIf) |
| local_role = sPanIf->get_local_role(); |
| debug("out"); |
| return (jint)local_role; |
| } |
| |
| |
| |
| static jboolean connectPanNative(JNIEnv *env, jobject object, jbyteArray address, |
| jint src_role, jint dest_role) { |
| debug("in"); |
| bt_status_t status; |
| jbyte *addr; |
| jboolean ret = JNI_TRUE; |
| if (!sPanIf) return JNI_FALSE; |
| |
| addr = env->GetByteArrayElements(address, NULL); |
| if (!addr) { |
| error("Bluetooth device address null"); |
| return JNI_FALSE; |
| } |
| |
| if ((status = sPanIf->connect((bt_bdaddr_t *) addr, src_role, dest_role)) != |
| BT_STATUS_SUCCESS) { |
| error("Failed PAN channel connection, status: %d", status); |
| ret = JNI_FALSE; |
| } |
| env->ReleaseByteArrayElements(address, addr, 0); |
| |
| return ret; |
| } |
| |
| static jboolean disconnectPanNative(JNIEnv *env, jobject object, jbyteArray address) { |
| bt_status_t status; |
| jbyte *addr; |
| jboolean ret = JNI_TRUE; |
| if (!sPanIf) return JNI_FALSE; |
| |
| addr = env->GetByteArrayElements(address, NULL); |
| if (!addr) { |
| error("Bluetooth device address null"); |
| return JNI_FALSE; |
| } |
| |
| if ( (status = sPanIf->disconnect((bt_bdaddr_t *) addr)) != |
| BT_STATUS_SUCCESS) { |
| error("Failed disconnect pan channel, status: %d", status); |
| ret = JNI_FALSE; |
| } |
| env->ReleaseByteArrayElements(address, addr, 0); |
| |
| return ret; |
| } |
| |
| static JNINativeMethod sMethods[] = { |
| {"classInitNative", "()V", (void *) classInitNative}, |
| {"initializeNative", "()V", (void *) initializeNative}, |
| {"cleanupNative", "()V", (void *) cleanupNative}, |
| {"connectPanNative", "([BII)Z", (void *) connectPanNative}, |
| {"enablePanNative", "(I)Z", (void *) enablePanNative}, |
| {"getPanLocalRoleNative", "()I", (void *) getPanLocalRoleNative}, |
| {"disconnectPanNative", "([B)Z", (void *) disconnectPanNative}, |
| // TBD cleanup |
| }; |
| |
| int register_com_android_bluetooth_pan(JNIEnv* env) |
| { |
| return jniRegisterNativeMethods(env, "com/android/bluetooth/pan/PanService", |
| sMethods, NELEM(sMethods)); |
| } |
| |
| } |
