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53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// 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_SOURCE_H_
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#define NET_LOG_NET_LOG_SOURCE_H_
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#include <stdint.h>
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#include "net/base/net_export.h"
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#include "net/log/net_log_parameters_callback.h"
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#include "net/log/net_log_source_type.h"
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namespace base {
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class DictionaryValue;
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class Value;
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}
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namespace net {
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// Identifies the entity that generated this log. The |id| field should
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// uniquely identify the source, and is used by log observers to infer
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// message groupings. Can use NetLog::NextID() to create unique IDs.
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struct NET_EXPORT NetLogSource {
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static const uint32_t kInvalidId;
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NetLogSource();
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NetLogSource(NetLogSourceType type, uint32_t id);
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bool IsValid() const;
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// Adds the source to a DictionaryValue containing event parameters,
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// using the name "source_dependency".
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void AddToEventParameters(base::DictionaryValue* event_params) const;
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// Returns a callback that returns a dictionary with a single entry
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// named "source_dependency" that describes |this|.
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NetLogParametersCallback ToEventParametersCallback() const;
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// Attempts to extract a NetLogSource from a set of event parameters. Returns
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// true and writes the result to |source| on success. Returns false and
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// makes |source| an invalid source on failure.
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// TODO(mmenke): Long term, we want to remove this.
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static bool FromEventParameters(base::Value* event_params,
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NetLogSource* source);
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NetLogSourceType type;
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uint32_t id;
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};
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} // namespace net
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#endif // NET_LOG_NET_LOG_SOURCE_H_
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