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/*
* Copyright 2016 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 "android.hardware.bluetooth@1.1-impl"
#include "bluetooth_hci.h"
#include <log/log.h>
#include "vendor_interface.h"
using android::hardware::bluetooth::V1_0::implementation::VendorInterface;
namespace android {
namespace hardware {
namespace bluetooth {
namespace V1_1 {
namespace implementation {
static const uint8_t HCI_DATA_TYPE_COMMAND = 1;
static const uint8_t HCI_DATA_TYPE_ACL = 2;
static const uint8_t HCI_DATA_TYPE_SCO = 3;
static const uint8_t HCI_DATA_TYPE_ISO = 5;
class BluetoothDeathRecipient : public hidl_death_recipient {
public:
BluetoothDeathRecipient(const sp<IBluetoothHci> hci) : mHci(hci) {}
virtual void serviceDied(
uint64_t /*cookie*/,
const wp<::android::hidl::base::V1_0::IBase>& /*who*/) {
ALOGE("BluetoothDeathRecipient::serviceDied - Bluetooth service died");
has_died_ = true;
mHci->close();
}
sp<IBluetoothHci> mHci;
bool getHasDied() const { return has_died_; }
void setHasDied(bool has_died) { has_died_ = has_died; }
private:
bool has_died_;
};
BluetoothHci::BluetoothHci()
: death_recipient_(new BluetoothDeathRecipient(this)) {}
Return<void> BluetoothHci::initialize_1_1(
const ::android::sp<V1_1::IBluetoothHciCallbacks>& cb) {
ALOGI("BluetoothHci::initialize_1_1()");
if (cb == nullptr) {
ALOGE("cb == nullptr! -> Unable to call initializationComplete(ERR)");
return Void();
}
death_recipient_->setHasDied(false);
cb->linkToDeath(death_recipient_, 0);
bool rc = VendorInterface::Initialize(
[cb](bool status) {
auto hidl_status = cb->initializationComplete(
status ? V1_0::Status::SUCCESS
: V1_0::Status::INITIALIZATION_ERROR);
if (!hidl_status.isOk()) {
ALOGE("VendorInterface -> Unable to call initializationComplete()");
}
},
[cb](const hidl_vec<uint8_t>& packet) {
auto hidl_status = cb->hciEventReceived(packet);
if (!hidl_status.isOk()) {
ALOGE("VendorInterface -> Unable to call hciEventReceived()");
}
},
[cb](const hidl_vec<uint8_t>& packet) {
auto hidl_status = cb->aclDataReceived(packet);
if (!hidl_status.isOk()) {
ALOGE("VendorInterface -> Unable to call aclDataReceived()");
}
},
[cb](const hidl_vec<uint8_t>& packet) {
auto hidl_status = cb->scoDataReceived(packet);
if (!hidl_status.isOk()) {
ALOGE("VendorInterface -> Unable to call scoDataReceived()");
}
},
[cb](const hidl_vec<uint8_t>& packet) {
auto hidl_status = cb->isoDataReceived(packet);
if (!hidl_status.isOk()) {
ALOGE("VendorInterface -> Unable to call isoDataReceived()");
}
});
if (!rc) {
auto hidl_status =
cb->initializationComplete(V1_0::Status::INITIALIZATION_ERROR);
if (!hidl_status.isOk()) {
ALOGE("VendorInterface -> Unable to call initializationComplete(ERR)");
}
}
unlink_cb_ = [cb](sp<BluetoothDeathRecipient>& death_recipient) {
if (death_recipient->getHasDied())
ALOGI("Skipping unlink call, service died.");
else
cb->unlinkToDeath(death_recipient);
};
return Void();
}
class OldCbWrapper : public V1_1::IBluetoothHciCallbacks {
public:
const ::android::sp<V1_0::IBluetoothHciCallbacks> old_cb_;
OldCbWrapper(const ::android::sp<V1_0::IBluetoothHciCallbacks>& old_cb)
: old_cb_(old_cb) {}
virtual ~OldCbWrapper() = default;
Return<void> initializationComplete(V1_0::Status status) override {
return old_cb_->initializationComplete(status);
};
Return<void> hciEventReceived(
const ::android::hardware::hidl_vec<uint8_t>& event) override {
return old_cb_->hciEventReceived(event);
};
Return<void> aclDataReceived(
const ::android::hardware::hidl_vec<uint8_t>& data) override {
return old_cb_->aclDataReceived(data);
};
Return<void> scoDataReceived(
const ::android::hardware::hidl_vec<uint8_t>& data) override {
return old_cb_->scoDataReceived(data);
};
Return<void> isoDataReceived(
const ::android::hardware::hidl_vec<uint8_t>&) override {
ALOGE("Please use HAL V1_1 for ISO.");
return Void();
};
};
Return<void> BluetoothHci::initialize(
const ::android::sp<V1_0::IBluetoothHciCallbacks>& cb) {
ALOGE("Using initialize from HAL V1_0 instead of initialize_1_1.");
return initialize_1_1(new OldCbWrapper(cb));
}
Return<void> BluetoothHci::close() {
ALOGI("BluetoothHci::close()");
unlink_cb_(death_recipient_);
VendorInterface::Shutdown();
return Void();
}
Return<void> BluetoothHci::sendHciCommand(const hidl_vec<uint8_t>& command) {
sendDataToController(HCI_DATA_TYPE_COMMAND, command);
return Void();
}
Return<void> BluetoothHci::sendAclData(const hidl_vec<uint8_t>& data) {
sendDataToController(HCI_DATA_TYPE_ACL, data);
return Void();
}
Return<void> BluetoothHci::sendScoData(const hidl_vec<uint8_t>& data) {
sendDataToController(HCI_DATA_TYPE_SCO, data);
return Void();
}
Return<void> BluetoothHci::sendIsoData(const hidl_vec<uint8_t>& data) {
sendDataToController(HCI_DATA_TYPE_ISO, data);
return Void();
}
void BluetoothHci::sendDataToController(const uint8_t type,
const hidl_vec<uint8_t>& data) {
VendorInterface::get()->Send(type, data.data(), data.size());
}
} // namespace implementation
} // namespace V1_1
} // namespace bluetooth
} // namespace hardware
} // namespace android
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