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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.
*/
#ifndef SRC_PERFETTO_CMD_PERFETTO_CMD_H_
#define SRC_PERFETTO_CMD_PERFETTO_CMD_H_
#include <memory>
#include <string>
#include <vector>
#include <time.h>
#include "perfetto/base/build_config.h"
#include "perfetto/base/event.h"
#include "perfetto/base/scoped_file.h"
#include "perfetto/base/unix_task_runner.h"
#include "perfetto/tracing/core/consumer.h"
#include "perfetto/tracing/ipc/consumer_ipc_client.h"
#include "src/perfetto_cmd/rate_limiter.h"
#include "src/perfetto_cmd/perfetto_cmd_state.pb.h"
#if PERFETTO_BUILDFLAG(PERFETTO_ANDROID_BUILD)
#include "perfetto/base/android_task_runner.h"
#endif // PERFETTO_BUILDFLAG(PERFETTO_ANDROID_BUILD)
namespace perfetto {
class PacketWriter;
// Temporary directory for DropBox traces. Note that this is automatically
// created by the system by setting setprop persist.traced.enable=1.
extern const char* kTempDropBoxTraceDir;
#if PERFETTO_BUILDFLAG(PERFETTO_ANDROID_BUILD)
using PlatformTaskRunner = base::AndroidTaskRunner;
#else
using PlatformTaskRunner = base::UnixTaskRunner;
#endif
class PerfettoCmd : public Consumer {
public:
int Main(int argc, char** argv);
// perfetto::Consumer implementation.
void OnConnect() override;
void OnDisconnect() override;
void OnTracingDisabled() override;
void OnTraceData(std::vector<TracePacket>, bool has_more) override;
void OnDetach(bool) override;
void OnAttach(bool, const TraceConfig&) override;
void OnTraceStats(bool, const TraceStats&) override;
void OnObservableEvents(const ObservableEvents&) override;
void SignalCtrlC() { ctrl_c_evt_.Notify(); }
private:
bool OpenOutputFile();
void SetupCtrlCSignalHandler();
void FinalizeTraceAndExit();
int PrintUsage(const char* argv0);
void PrintServiceState(bool success, const TracingServiceState&);
void OnTimeout();
bool is_detach() const { return !detach_key_.empty(); }
bool is_attach() const { return !attach_key_.empty(); }
// Once we call ReadBuffers we expect one or more calls to OnTraceData
// with the last call having |has_more| set to false. However we should
// gracefully handle the service failing to ever call OnTraceData or
// setting |has_more| incorrectly. To do this we maintain a timeout
// which finalizes and exits the client if we don't receive OnTraceData
// within OnTraceDataTimeoutMs of when we expected to.
void CheckTraceDataTimeout();
void SaveOutputToDropboxOrCrash();
void SaveOutputToIncidentTraceOrCrash();
PlatformTaskRunner task_runner_;
std::unique_ptr<perfetto::TracingService::ConsumerEndpoint>
consumer_endpoint_;
std::unique_ptr<TraceConfig> trace_config_;
std::unique_ptr<PacketWriter> packet_writer_;
base::ScopedFstream trace_out_stream_;
std::string trace_out_path_;
base::Event ctrl_c_evt_;
std::string dropbox_tag_;
bool did_process_full_trace_ = false;
uint64_t bytes_written_ = 0;
std::string detach_key_;
std::string attach_key_;
bool stop_trace_once_attached_ = false;
bool redetach_once_attached_ = false;
bool query_service_ = false;
bool query_service_output_raw_ = false;
// How long we expect to trace for or 0 if the trace is indefinite.
uint32_t expected_duration_ms_ = 0;
bool trace_data_timeout_armed_ = false;
};
} // namespace perfetto
#endif // SRC_PERFETTO_CMD_PERFETTO_CMD_H_
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