[go: nahoru, domu]

blob: 0c2ac33dc0f830a217c85929d8bcccf194523690 [file] [log] [blame]
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_NETWORK_NET_LOG_EXPORTER_H_
#define SERVICES_NETWORK_NET_LOG_EXPORTER_H_
#include <memory>
#include "base/files/file.h"
#include "base/memory/raw_ptr.h"
#include "base/threading/thread_checker.h"
#include "base/types/pass_key.h"
#include "base/values.h"
#include "net/log/net_log.h"
#include "services/network/network_service.h"
#include "services/network/public/mojom/net_log.mojom.h"
#include "services/network/public/mojom/network_service.mojom.h"
namespace net {
class FileNetLogObserver;
} // namespace net
namespace network {
class NetworkContext;
// API implementation for exporting ongoing netlogs.
class COMPONENT_EXPORT(NETWORK_SERVICE) NetLogExporter
: public mojom::NetLogExporter,
public base::SupportsWeakPtr<NetLogExporter> {
public:
// This expects to live on the same thread as NetworkContext, e.g.
// IO thread or NetworkService main thread.
explicit NetLogExporter(NetworkContext* network_context);
NetLogExporter(const NetLogExporter&) = delete;
NetLogExporter& operator=(const NetLogExporter&) = delete;
~NetLogExporter() override;
void Start(base::File destination,
base::Value::Dict extra_constants,
net::NetLogCaptureMode capture_mode,
uint64_t max_file_size,
StartCallback callback) override;
void Stop(base::Value::Dict polled_data, StopCallback callback) override;
// Run off-thread by task scheduler, as does disk I/O.
static base::FilePath CreateScratchDirForNetworkService(
base::PassKey<NetworkService>);
// Sets a callback that will be used to create a scratch directory instead
// of the normal codepath. For test use only.
void SetCreateScratchDirHandlerForTesting(
const base::RepeatingCallback<base::FilePath()>& handler);
private:
void CloseFileOffThread(base::File file);
// Run off-thread by task scheduler, as does disk I/O.
static base::FilePath CreateScratchDir(
base::RepeatingCallback<base::FilePath()>
scratch_dir_create_handler_for_tests);
static void StartWithScratchDirOrCleanup(
base::WeakPtr<NetLogExporter> object,
base::Value::Dict extra_constants,
net::NetLogCaptureMode capture_mode,
uint64_t max_file_size,
StartCallback callback,
const base::FilePath& scratch_dir_path);
void StartWithScratchDir(base::Value::Dict extra_constants,
net::NetLogCaptureMode capture_mode,
uint64_t max_file_size,
StartCallback callback,
const base::FilePath& scratch_dir_path);
// NetworkContext owns |this| via UniqueReceiverSet, so this object can't
// outlive it.
raw_ptr<NetworkContext> network_context_;
enum State { STATE_IDLE, STATE_WAITING_DIR, STATE_RUNNING } state_;
std::unique_ptr<net::FileNetLogObserver> file_net_observer_;
base::File destination_;
// Test-only injectable replacement for CreateScratchDir.
base::RepeatingCallback<base::FilePath()>
scratch_dir_create_handler_for_tests_;
THREAD_CHECKER(thread_checker_);
};
} // namespace network
#endif // SERVICES_NETWORK_NET_LOG_EXPORTER_H_