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/*
* 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
#include "android_runtime/AndroidRuntime.h"
#include "com_android_bluetooth.h"
#include "hardware/bt_pan.h"
#include "utils/Log.h"
#include <string.h>
#include <cutils/log.h>
#define info(fmt, ...) ALOGI("%s(L%d): " fmt, __func__, __LINE__, ##__VA_ARGS__)
#define debug(fmt, ...) \
ALOGD("%s(L%d): " fmt, __func__, __LINE__, ##__VA_ARGS__)
#define warn(fmt, ...) \
ALOGW("## WARNING : %s(L%d): " fmt "##", __func__, __LINE__, ##__VA_ARGS__)
#define error(fmt, ...) \
ALOGE("## ERROR : %s(L%d): " fmt "##", __func__, __LINE__, ##__VA_ARGS__)
#define asrt(s) \
if (!(s)) ALOGE("## %s(L%d): ASSERT %s failed! ##", __func__, __LINE__, #s)
namespace android {
static jmethodID method_onConnectStateChanged;
static jmethodID method_onControlStateChanged;
static const btpan_interface_t* sPanIf = NULL;
static jobject mCallbacksObj = NULL;
static jbyteArray marshall_bda(const RawAddress* bd_addr) {
CallbackEnv sCallbackEnv(__func__);
if (!sCallbackEnv.valid()) return NULL;
jbyteArray addr = sCallbackEnv->NewByteArray(sizeof(RawAddress));
if (!addr) {
ALOGE("Fail to new jbyteArray bd addr");
return NULL;
}
sCallbackEnv->SetByteArrayRegion(addr, 0, sizeof(RawAddress),
(jbyte*)bd_addr);
return addr;
}
static void control_state_callback(btpan_control_state_t state, int local_role,
bt_status_t error, const char* ifname) {
debug("state:%d, local_role:%d, ifname:%s", state, local_role, ifname);
if (mCallbacksObj == NULL) {
error("Callbacks Obj is NULL: '%s", __func__);
return;
}
CallbackEnv sCallbackEnv(__func__);
if (!sCallbackEnv.valid()) return;
ScopedLocalRef<jstring> js_ifname(sCallbackEnv.get(),
sCallbackEnv->NewStringUTF(ifname));
sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onControlStateChanged,
(jint)local_role, (jint)state, (jint)error,
js_ifname.get());
}
static void connection_state_callback(btpan_connection_state_t state,
bt_status_t error,
const RawAddress* bd_addr, int local_role,
int remote_role) {
debug("state:%d, local_role:%d, remote_role:%d", state, local_role,
remote_role);
if (mCallbacksObj == NULL) {
error("Callbacks Obj is NULL: '%s", __func__);
return;
}
CallbackEnv sCallbackEnv(__func__);
if (!sCallbackEnv.valid()) return;
ScopedLocalRef<jbyteArray> addr(sCallbackEnv.get(), marshall_bda(bd_addr));
if (!addr.get()) {
error("Fail to new jbyteArray bd addr for PAN channel state");
return;
}
sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onConnectStateChanged,
addr.get(), (jint)state, (jint)error,
(jint)local_role, (jint)remote_role);
}
static btpan_callbacks_t sBluetoothPanCallbacks = {
sizeof(sBluetoothPanCallbacks), control_state_callback,
connection_state_callback};
// Define native functions
static void classInitNative(JNIEnv* env, jclass clazz) {
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;
btIf = getBluetoothInterface();
if (btIf == 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;
}
sPanIf = (btpan_interface_t*)btIf->get_profile_interface(BT_PROFILE_PAN_ID);
if (sPanIf == NULL) {
error("Failed to get Bluetooth PAN Interface");
return;
}
mCallbacksObj = env->NewGlobalRef(object);
bt_status_t status = sPanIf->init(&sBluetoothPanCallbacks);
if (status != BT_STATUS_SUCCESS) {
error("Failed to initialize Bluetooth PAN, status: %d", status);
sPanIf = NULL;
if (mCallbacksObj != NULL) {
ALOGW("initialization failed: Cleaning up Bluetooth PAN callback object");
env->DeleteGlobalRef(mCallbacksObj);
mCallbacksObj = NULL;
}
return;
}
}
static void cleanupNative(JNIEnv* env, jobject object) {
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");
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;
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");
if (!sPanIf) return JNI_FALSE;
jbyte* addr = env->GetByteArrayElements(address, NULL);
if (!addr) {
error("Bluetooth device address null");
return JNI_FALSE;
}
jboolean ret = JNI_TRUE;
bt_status_t status = sPanIf->connect((RawAddress*)addr, src_role, dest_role);
if (status != 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) {
if (!sPanIf) return JNI_FALSE;
jbyte* addr = env->GetByteArrayElements(address, NULL);
if (!addr) {
error("Bluetooth device address null");
return JNI_FALSE;
}
jboolean ret = JNI_TRUE;
bt_status_t status = sPanIf->disconnect((RawAddress*)addr);
if (status != 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));
}
}
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