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74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
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// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_LOG_NET_LOG_ENTRY_H_
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#define NET_LOG_NET_LOG_ENTRY_H_
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#include <memory>
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#include "base/macros.h"
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#include "base/time/time.h"
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#include "net/base/net_export.h"
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#include "net/log/net_log_capture_mode.h"
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#include "net/log/net_log_event_type.h"
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#include "net/log/net_log_parameters_callback.h"
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#include "net/log/net_log_source.h"
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namespace base {
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class Value;
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}
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namespace net {
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struct NET_EXPORT NetLogEntryData {
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NetLogEntryData(NetLogEventType type,
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NetLogSource source,
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NetLogEventPhase phase,
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base::TimeTicks time,
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const NetLogParametersCallback* parameters_callback);
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~NetLogEntryData();
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const NetLogEventType type;
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const NetLogSource source;
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const NetLogEventPhase phase;
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const base::TimeTicks time;
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const NetLogParametersCallback* const parameters_callback;
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};
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// A NetLogEntry pre-binds NetLogEntryData to a capture mode, so observers will
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// observe the output of ToValue() and ParametersToValue() at their log
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// capture mode rather than the current maximum.
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class NET_EXPORT NetLogEntry {
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public:
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NetLogEntry(const NetLogEntryData* data, NetLogCaptureMode capture_mode);
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~NetLogEntry();
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NetLogEventType type() const { return data_->type; }
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NetLogSource source() const { return data_->source; }
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NetLogEventPhase phase() const { return data_->phase; }
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// Serializes the specified event to a Value. The Value also includes the
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// current time. Takes in a time to allow back-dating entries.
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std::unique_ptr<base::Value> ToValue() const;
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// Returns the parameters as a Value. Returns nullptr if there are no
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// parameters.
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std::unique_ptr<base::Value> ParametersToValue() const;
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private:
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const NetLogEntryData* const data_;
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// Log capture mode when the event occurred.
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const NetLogCaptureMode capture_mode_;
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// It is not safe to copy this class, since |parameters_callback_| may
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// include pointers that become stale immediately after the event is added,
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// even if the code were modified to keep its own copy of the callback.
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DISALLOW_COPY_AND_ASSIGN(NetLogEntry);
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};
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} // namespace net
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#endif // NET_LOG_NET_LOG_ENTRY_H_
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