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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_DEBUGGER_DEVTOOLS_NETLOG_OBSERVER_H_
#define CHROME_BROWSER_DEBUGGER_DEVTOOLS_NETLOG_OBSERVER_H_
#pragma once
#include "base/hash_tables.h"
#include "base/ref_counted.h"
#include "chrome/browser/net/chrome_net_log.h"
#include "webkit/glue/resource_loader_bridge.h"
namespace net {
class URLRequest;
} // namespace net
class IOThread;
struct ResourceResponse;
// DevToolsNetLogObserver watches the NetLog event stream and collects the
// stuff that may be of interest to DevTools. Currently, this only includes
// actual HTTP/SPDY headers sent and received over the network.
//
// As DevToolsNetLogObserver shares live data with objects that live on the
// IO Thread, it must also reside on the IO Thread. Only OnAddEntry can be
// called from other threads.
class DevToolsNetLogObserver: public ChromeNetLog::ThreadSafeObserver {
typedef webkit_glue::ResourceDevToolsInfo ResourceInfo;
public:
// 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);
static void Attach(IOThread* thread);
static void Detach();
// Must be called on the IO thread. May return NULL if no observers
// are active.
static DevToolsNetLogObserver* GetInstance();
static void PopulateResponseInfo(net::URLRequest*, ResourceResponse*);
private:
typedef base::hash_map<uint32, scoped_refptr<ResourceInfo> >
RequestToInfoMap;
static DevToolsNetLogObserver* instance_;
explicit DevToolsNetLogObserver(ChromeNetLog* chrome_net_log);
~DevToolsNetLogObserver();
ResourceInfo* GetResourceInfo(uint32 id);
ChromeNetLog* chrome_net_log_;
RequestToInfoMap request_to_info_;
DISALLOW_COPY_AND_ASSIGN(DevToolsNetLogObserver);
};
#endif // CHROME_BROWSER_DEBUGGER_DEVTOOLS_NETLOG_OBSERVER_H_
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