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/*
* Copyright (C) 2018 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 "CommConn"
#include <thread>
#include <log/log.h>
#include "CommConn.h"
namespace android {
namespace hardware {
namespace automotive {
namespace vehicle {
namespace V2_0 {
namespace impl {
void CommConn::start() {
mReadThread = std::make_unique<std::thread>(std::bind(&CommConn::readThread, this));
}
void CommConn::stop() {
if (mReadThread->joinable()) {
mReadThread->join();
}
}
void CommConn::sendMessage(vhal_proto::EmulatorMessage const& msg) {
int numBytes = msg.ByteSize();
std::vector<uint8_t> buffer(static_cast<size_t>(numBytes));
if (!msg.SerializeToArray(buffer.data(), numBytes)) {
ALOGE("%s: SerializeToString failed!", __func__);
return;
}
std::lock_guard<std::mutex> lock(mSendMessageLock);
write(buffer);
}
void CommConn::readThread() {
std::vector<uint8_t> buffer;
while (isOpen()) {
buffer = read();
if (buffer.size() == 0) {
ALOGI("%s: Read returned empty message, exiting read loop.", __func__);
break;
}
vhal_proto::EmulatorMessage rxMsg;
if (rxMsg.ParseFromArray(buffer.data(), static_cast<int32_t>(buffer.size()))) {
vhal_proto::EmulatorMessage respMsg;
mMessageProcessor->processMessage(rxMsg, &respMsg);
sendMessage(respMsg);
}
}
}
} // namespace impl
} // namespace V2_0
} // namespace vehicle
} // namespace automotive
} // namespace hardware
} // namespace android
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