1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_NETLOG_OBSERVER_H_ 6 #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_NETLOG_OBSERVER_H_ 7 8 #include "base/containers/hash_tables.h" 9 #include "base/memory/ref_counted.h" 10 #include "content/public/common/resource_devtools_info.h" 11 #include "net/base/net_log.h" 12 13 namespace net { 14 class URLRequest; 15 } // namespace net 16 17 namespace content { 18 struct ResourceResponse; 19 20 // DevToolsNetLogObserver watches the NetLog event stream and collects the 21 // stuff that may be of interest to DevTools. Currently, this only includes 22 // actual HTTP/SPDY headers sent and received over the network. 23 // 24 // As DevToolsNetLogObserver shares live data with objects that live on the 25 // IO Thread, it must also reside on the IO Thread. Only OnAddEntry can be 26 // called from other threads. 27 class DevToolsNetLogObserver : public net::NetLog::ThreadSafeObserver { 28 typedef ResourceDevToolsInfo ResourceInfo; 29 30 public: 31 // net::NetLog::ThreadSafeObserver implementation: 32 virtual void OnAddEntry(const net::NetLog::Entry& entry) OVERRIDE; 33 34 void OnAddURLRequestEntry(const net::NetLog::Entry& entry); 35 36 static void Attach(); 37 static void Detach(); 38 39 // Must be called on the IO thread. May return NULL if no observers 40 // are active. 41 static DevToolsNetLogObserver* GetInstance(); 42 static void PopulateResponseInfo(net::URLRequest*, 43 ResourceResponse*); 44 45 private: 46 static DevToolsNetLogObserver* instance_; 47 48 DevToolsNetLogObserver(); 49 virtual ~DevToolsNetLogObserver(); 50 51 ResourceInfo* GetResourceInfo(uint32 id); 52 53 typedef base::hash_map<uint32, scoped_refptr<ResourceInfo> > RequestToInfoMap; 54 RequestToInfoMap request_to_info_; 55 56 DISALLOW_COPY_AND_ASSIGN(DevToolsNetLogObserver); 57 }; 58 59 } // namespace content 60 61 #endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_NETLOG_OBSERVER_H_ 62