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/*
* Copyright (C) 2019 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.
*/
#ifndef SRC_PROFILING_MEMORY_JAVA_HPROF_PRODUCER_H_
#define SRC_PROFILING_MEMORY_JAVA_HPROF_PRODUCER_H_
#include <memory>
#include <set>
#include <vector>
#include "perfetto/ext/base/unix_task_runner.h"
#include "perfetto/ext/base/weak_ptr.h"
#include "perfetto/ext/tracing/core/producer.h"
#include "perfetto/ext/tracing/core/tracing_service.h"
#include "perfetto/ext/tracing/ipc/producer_ipc_client.h"
#include "perfetto/tracing/core/data_source_config.h"
#include "perfetto/tracing/core/data_source_descriptor.h"
#include "protos/perfetto/config/profiling/java_hprof_config.gen.h"
namespace perfetto {
namespace profiling {
using JavaHprofConfig = protos::gen::JavaHprofConfig;
class JavaHprofProducer : public Producer {
public:
JavaHprofProducer(base::TaskRunner* task_runner)
: task_runner_(task_runner), weak_factory_(this) {}
// Producer Impl:
void OnConnect() override;
void OnDisconnect() override;
void SetupDataSource(DataSourceInstanceID, const DataSourceConfig&) override;
void StartDataSource(DataSourceInstanceID, const DataSourceConfig&) override;
void StopDataSource(DataSourceInstanceID) override;
void OnTracingSetup() override {}
void Flush(FlushRequestID,
const DataSourceInstanceID* data_source_ids,
size_t num_data_sources) override;
void ClearIncrementalState(const DataSourceInstanceID* /*data_source_ids*/,
size_t /*num_data_sources*/) override {}
// TODO(fmayer): Refactor once/if we have generic reconnect logic.
void ConnectWithRetries(const char* socket_name);
void SetProducerEndpoint(
std::unique_ptr<TracingService::ProducerEndpoint> endpoint);
private:
// State of the connection to tracing service (traced).
enum State {
kNotStarted = 0,
kNotConnected,
kConnecting,
kConnected,
};
struct DataSource {
DataSourceInstanceID id;
std::set<pid_t> pids;
JavaHprofConfig config;
};
void ConnectService();
void Restart();
void ResetConnectionBackoff();
void IncreaseConnectionBackoff();
void DoContinuousDump(DataSourceInstanceID id, uint32_t dump_interval);
static void SignalDataSource(const DataSource& ds);
// State of connection to the tracing service.
State state_ = kNotStarted;
uint32_t connection_backoff_ms_ = 0;
const char* producer_sock_name_ = nullptr;
base::TaskRunner* const task_runner_;
std::unique_ptr<TracingService::ProducerEndpoint> endpoint_;
std::map<DataSourceInstanceID, DataSource> data_sources_;
base::WeakPtrFactory<JavaHprofProducer> weak_factory_; // Keep last.
};
} // namespace profiling
} // namespace perfetto
#endif // SRC_PROFILING_MEMORY_JAVA_HPROF_PRODUCER_H_
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