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 "net/base/net_log.h" 11 #include "webkit/common/resource_devtools_info.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 webkit_glue::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 void OnAddHTTPStreamJobEntry(const net::NetLog::Entry& entry); 36 void OnAddSocketEntry(const net::NetLog::Entry& entry); 37 38 static void Attach(); 39 static void Detach(); 40 41 // Must be called on the IO thread. May return NULL if no observers 42 // are active. 43 static DevToolsNetLogObserver* GetInstance(); 44 static void PopulateResponseInfo(net::URLRequest*, 45 ResourceResponse*); 46 static int GetAndResetEncodedDataLength(net::URLRequest* request); 47 48 private: 49 static DevToolsNetLogObserver* instance_; 50 51 DevToolsNetLogObserver(); 52 virtual ~DevToolsNetLogObserver(); 53 54 ResourceInfo* GetResourceInfo(uint32 id); 55 56 typedef base::hash_map<uint32, scoped_refptr<ResourceInfo> > RequestToInfoMap; 57 typedef base::hash_map<uint32, int> RequestToEncodedDataLengthMap; 58 typedef base::hash_map<uint32, uint32> HTTPStreamJobToSocketMap; 59 typedef base::hash_map<uint32, uint32> SocketToRequestMap; 60 RequestToInfoMap request_to_info_; 61 RequestToEncodedDataLengthMap request_to_encoded_data_length_; 62 HTTPStreamJobToSocketMap http_stream_job_to_socket_; 63 SocketToRequestMap socket_to_request_; 64 65 DISALLOW_COPY_AND_ASSIGN(DevToolsNetLogObserver); 66 }; 67 68 } // namespace content 69 70 #endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_NETLOG_OBSERVER_H_ 71