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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@1.0-impl"
#include "bluetooth_hci.h"
#include <log/log.h>
#include "vendor_interface.h"
namespace android {
namespace hardware {
namespace bluetooth {
namespace V1_0 {
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;
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(
const ::android::sp<IBluetoothHciCallbacks>& cb) {
ALOGI("BluetoothHci::initialize()");
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 ? Status::SUCCESS : 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>&) {
ALOGE("VendorInterface -> No callback for ISO packets in HAL V1_0");
});
if (!rc) {
auto hidl_status = cb->initializationComplete(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();
}
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();
}
void BluetoothHci::sendDataToController(const uint8_t type,
const hidl_vec<uint8_t>& data) {
VendorInterface::get()->Send(type, data.data(), data.size());
}
IBluetoothHci* HIDL_FETCH_IBluetoothHci(const char* /* name */) {
return new BluetoothHci();
}
} // namespace implementation
} // namespace V1_0
} // namespace bluetooth
} // namespace hardware
} // namespace android
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