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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_NET_NET_LOG_LOGGER_H_
#define CHROME_BROWSER_NET_NET_LOG_LOGGER_H_
#pragma once
#include "base/memory/scoped_handle.h"
#include "chrome/browser/net/chrome_net_log.h"
class FilePath;
// NetLogLogger watches the NetLog event stream, and sends all entries to
// VLOG(1) or a path specified on creation. This is to debug errors that
// prevent getting to the about:net-internals page.
//
// When writing directly to a file rather than VLOG(1), the text file will
// contain a single JSON object, with an extra comma on the end and missing
// a terminal "]}".
//
// Relies on ChromeNetLog only calling an Observer once at a time for
// thread-safety.
class NetLogLogger : public ChromeNetLog::ThreadSafeObserverImpl {
public:
// If |log_path| is empty or file creation fails, writes to VLOG(1).
// Otherwise, writes to |log_path|. Uses one line per entry, for
// easy parsing.
explicit NetLogLogger(const FilePath &log_path);
virtual ~NetLogLogger();
// ThreadSafeObserver implementation:
virtual void OnAddEntry(net::NetLog::EventType type,
const base::TimeTicks& time,
const net::NetLog::Source& source,
net::NetLog::EventPhase phase,
net::NetLog::EventParameters* params) OVERRIDE;
private:
ScopedStdioHandle file_;
DISALLOW_COPY_AND_ASSIGN(NetLogLogger);
};
#endif // CHROME_BROWSER_NET_NET_LOG_LOGGER_H_
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