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69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
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// Copyright 2014 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_UTIL_H_
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#define NET_LOG_NET_LOG_UTIL_H_
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#include <memory>
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#include <set>
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#include "net/base/net_export.h"
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#include "net/log/net_log.h"
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namespace base {
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class DictionaryValue;
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}
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namespace net {
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class URLRequestContext;
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// A set of flags that can be OR'd together to request specific information
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// about the current state of the URLRequestContext. See GetNetInfo, below.
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enum NetInfoSource {
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#define NET_INFO_SOURCE(label, string, value) NET_INFO_##label = value,
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#include "net/base/net_info_source_list.h"
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#undef NET_INFO_SOURCE
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NET_INFO_ALL_SOURCES = -1,
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};
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// Utility methods for creating NetLog dumps.
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// Create a dictionary containing a legend for net/ constants.
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NET_EXPORT std::unique_ptr<base::DictionaryValue> GetNetConstants();
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// Retrieves a dictionary containing information about the current state of
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// |context|. |info_sources| is a set of NetInfoSources OR'd together,
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// indicating just what information is being requested. Each NetInfoSource adds
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// one top-level entry to the returned dictionary.
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//
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// May only be called on |context|'s thread.
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NET_EXPORT std::unique_ptr<base::DictionaryValue> GetNetInfo(
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URLRequestContext* context,
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int info_sources);
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// Takes in a set of contexts and a NetLog::Observer, and passes in
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// NetLog::Entries to the observer for certain NetLogSources with pending
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// events. This allows requests that were ongoing when logging was started to
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// have an initial event that has some information. This is particularly useful
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// for hung requests. Note that these calls are not protected by the NetLog's
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// lock, so this should generally be invoked before the observer starts watching
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// the NetLog.
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//
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// All members of |contexts| must be using the same NetLog, and live on the
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// current thread.
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//
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// Currently only creates events for URLRequests.
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//
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// The reason for not returning a list of NetLog::Entries is that entries don't
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// own most of their data, so it's simplest just to pass them in to the observer
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// directly while their data is on the stack.
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NET_EXPORT void CreateNetLogEntriesForActiveObjects(
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const std::set<URLRequestContext*>& contexts,
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NetLog::ThreadSafeObserver* observer);
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} // namespace net
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#endif // NET_LOG_NET_LOG_UTIL_H_
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