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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_TRACING_TRACE_REPORT_TRACE_REPORT_HANDLER_H_
#define CONTENT_BROWSER_TRACING_TRACE_REPORT_TRACE_REPORT_HANDLER_H_
#include "base/memory/raw_ref.h"
#include "base/task/task_runner.h"
#include "base/token.h"
#include "base/unguessable_token.h"
#include "build/build_config.h"
#include "content/browser/tracing/background_tracing_manager_impl.h"
#include "content/browser/tracing/trace_report/trace_report.mojom.h"
#include "content/browser/tracing/trace_report/trace_upload_list.h"
#include "content/common/content_export.h"
#include "content/public/browser/background_tracing_manager.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace content {
// Handles communication between the browser and chrome://traces.
class CONTENT_EXPORT TraceReportHandler
: public trace_report::mojom::PageHandler {
public:
TraceReportHandler(
mojo::PendingReceiver<trace_report::mojom::PageHandler> receiver,
mojo::PendingRemote<trace_report::mojom::Page> page);
TraceReportHandler(const TraceReportHandler&) = delete;
TraceReportHandler& operator=(const TraceReportHandler&) = delete;
~TraceReportHandler() override;
// trace_report::mojom::TraceReportHandler:
// Get all the trace report currently stored locally
void StartTraceSession(mojo_base::BigBuffer config_pb,
StartTraceSessionCallback callback) override;
void CloneTraceSession(CloneTraceSessionCallback callback) override;
void StopTraceSession(StopTraceSessionCallback callback) override;
void GetBufferUsage(GetBufferUsageCallback callback) override;
void GetAllTraceReports(GetAllTraceReportsCallback callback) override;
void DeleteSingleTrace(const base::Token& uuid,
DeleteSingleTraceCallback callback) override;
void DeleteAllTraces(DeleteAllTracesCallback callback) override;
void UserUploadSingleTrace(const base::Token& uuid,
UserUploadSingleTraceCallback callback) override;
void DownloadTrace(const base::Token& uuid,
DownloadTraceCallback callback) override;
void GetAllPresetScenarios(GetAllPresetScenariosCallback callback) override;
void GetAllFieldScenarios(GetAllFieldScenariosCallback callback) override;
void GetEnabledScenarios(GetEnabledScenariosCallback callback) override;
void SetEnabledScenarios(const std::vector<std::string>& new_config,
SetEnabledScenariosCallback callback) override;
void GetPrivacyFilterEnabled(
GetPrivacyFilterEnabledCallback callback) override;
void SetPrivacyFilterEnabled(bool enable) override;
void SetScenariosConfigFromString(
const std::string& config_string,
SetScenariosConfigFromStringCallback callback) override;
void SetScenariosConfigFromBuffer(
mojo_base::BigBuffer config_pb,
SetScenariosConfigFromBufferCallback callback) override;
#if BUILDFLAG(IS_WIN)
void GetSystemTracingState(GetSystemTracingStateCallback callback) override;
void GetSecurityShieldIconUrl(
GetSecurityShieldIconUrlCallback callback) override;
void EnableSystemTracing(EnableSystemTracingCallback callback) override;
void DisableSystemTracing(DisableSystemTracingCallback callback) override;
#endif // BUILDFLAG(IS_WIN)
protected:
TraceReportHandler(
mojo::PendingReceiver<trace_report::mojom::PageHandler> receiver,
mojo::PendingRemote<trace_report::mojom::Page> page,
TraceUploadList& trace_upload_list,
BackgroundTracingManagerImpl& background_tracing_manager,
TracingDelegate* tracing_delegate);
virtual std::unique_ptr<perfetto::TracingSession> CreateTracingSession();
private:
void OnGetAllReportsTaskComplete(GetAllTraceReportsCallback callback,
std::vector<ClientTraceReport> results);
bool SetScenariosConfig(
const perfetto::protos::gen::ChromeFieldTracingConfig& config);
void MaybeSetupPresetTracingFromFieldTrial();
void OnTracingError(perfetto::TracingError error);
void OnTracingStop();
void OnTracingStart();
void OnTraceComplete(std::optional<mojo_base::BigBuffer>);
void OnBufferUsage(bool success, float percent_full, bool data_loss);
scoped_refptr<base::SequencedTaskRunner> task_runner_;
mojo::Receiver<trace_report::mojom::PageHandler> receiver_;
mojo::Remote<trace_report::mojom::Page> page_;
// Used to perform actions with on a single trace_report_database instance.
const raw_ref<TraceUploadList> trace_upload_list_;
const raw_ref<BackgroundTracingManagerImpl> background_tracing_manager_;
const raw_ptr<TracingDelegate> tracing_delegate_;
base::UnguessableToken session_unguessable_name_;
std::unique_ptr<perfetto::TracingSession> tracing_session_;
StartTraceSessionCallback start_callback_;
StopTraceSessionCallback stop_callback_;
GetBufferUsageCallback on_buffer_usage_callback_;
base::WeakPtrFactory<TraceReportHandler> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_TRACING_TRACE_REPORT_TRACE_REPORT_HANDLER_H_
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