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/*
* Copyright (C) 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.
*/
#include "perfa.h"
#include <sys/types.h>
#include <unistd.h>
#include "utils/config.h"
using namespace profiler;
using namespace profiler::proto;
extern "C" void InitializePerfa() {
static Perfa* s_perfa = nullptr;
if (s_perfa == nullptr) s_perfa = new Perfa(kServerAddress);
}
Perfa::Perfa(const char* address) {
service_stub_ = PerfaService::NewStub(
grpc::CreateChannel(address, grpc::InsecureChannelCredentials()));
// Open the control stream
RegisterApplication app_data;
app_data.set_pid(getpid());
control_stream_ = service_stub_->RegisterAgent(&control_context_, app_data);
control_thread_ = std::thread(&Perfa::RunControlThread, this);
// Open the component independent data stream
data_stream_ = service_stub_->DataStream(&data_context_, &data_response_);
}
void Perfa::RunControlThread() {
PerfaControlRequest request;
while (control_stream_->Read(&request)) {
// TODO: Process control request
}
}
bool Perfa::WriteData(const ProfilerData& data) {
return data_stream_->Write(data);
}
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