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// Copyright (c) 2010 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_CHROME_NET_LOG_H_
#define CHROME_BROWSER_NET_CHROME_NET_LOG_H_
#include "base/observer_list.h"
#include "base/scoped_ptr.h"
#include "net/base/net_log.h"
class PassiveLogCollector;
// ChromeNetLog is an implementation of NetLog that dispatches network log
// messages to a list of observers.
//
// By default, ChromeNetLog will attach the observer PassiveLogCollector which
// will keep track of recent request information (which used when displaying
// the about:net-internals page).
//
// TODO(eroman): Move this default observer out of ChromeNetLog.
//
class ChromeNetLog : public net::NetLog {
public:
// Interface for observing the events logged by the network stack.
class Observer {
public:
virtual ~Observer() {}
virtual void OnAddEntry(EventType type,
const base::TimeTicks& time,
const Source& source,
EventPhase phase,
EventParameters* params) = 0;
};
ChromeNetLog();
~ChromeNetLog();
// NetLog implementation:
virtual void AddEntry(EventType type,
const base::TimeTicks& time,
const Source& source,
EventPhase phase,
EventParameters* params);
virtual uint32 NextID();
virtual bool HasListener() const;
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
PassiveLogCollector* passive_collector() {
return passive_collector_.get();
}
private:
uint32 next_id_;
scoped_ptr<PassiveLogCollector> passive_collector_;
ObserverList<Observer, true> observers_;
DISALLOW_COPY_AND_ASSIGN(ChromeNetLog);
};
#endif // CHROME_BROWSER_NET_CHROME_NET_LOG_H_
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