Page Speed Optimization Libraries
1.2.24.1
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00001 /* 00002 * Copyright 2012 Google Inc. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http:///www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00018 00019 #ifndef NET_INSTAWEB_UTIL_PUBLIC_CLIENT_STATE_H_ 00020 #define NET_INSTAWEB_UTIL_PUBLIC_CLIENT_STATE_H_ 00021 00022 #include "net/instaweb/util/public/abstract_client_state.h" 00023 #include "net/instaweb/util/public/basictypes.h" 00024 #include "net/instaweb/util/public/scoped_ptr.h" 00025 #include "net/instaweb/util/public/string.h" 00026 #include "net/instaweb/util/public/string_util.h" 00027 00028 #include "testing/gtest/include/gtest/gtest_prod.h" 00029 00030 namespace net_instaweb { 00031 00032 class ClientStateMsg; 00033 class PropertyCache; 00034 class PropertyPage; 00035 class Timer; 00036 00041 class ClientState : public AbstractClientState { 00042 public: 00044 static const char kClientStateCohort[]; 00046 static const char kClientStatePropertyValue[]; 00048 static const uint32 kClientStateMaxUrls; 00050 static const int64 kClientStateExpiryTimeThresholdMs; 00051 00052 ClientState(); 00053 virtual ~ClientState(); 00054 00055 virtual bool InCache(const GoogleString& url); 00056 virtual void Set(const GoogleString& url, int64 expire_ms); 00057 virtual void Clear(); 00058 virtual const GoogleString& ClientId() const { return client_id_; } 00059 virtual bool InitFromPropertyCache( 00060 const GoogleString& client_id, 00061 PropertyCache* property_cache, 00062 PropertyPage* property_page, 00063 Timer* timer); 00064 virtual void WriteBackToPropertyCache(); 00065 00066 private: 00068 void Pack(ClientStateMsg* proto); 00071 bool Unpack(const ClientStateMsg& proto); 00072 00074 GoogleString client_id_; 00076 Timer* timer_; 00078 int64 create_time_ms_; 00082 scoped_ptr<PropertyPage> property_page_; 00083 PropertyCache* property_cache_; 00085 StringVector recent_urls_; 00086 00087 friend class ClientStateTest; 00088 FRIEND_TEST(ClientStateTest, PackUnpackWorks); 00089 FRIEND_TEST(ClientStateTest, PropertyCacheWorks); 00090 00091 DISALLOW_COPY_AND_ASSIGN(ClientState); 00092 }; 00093 00094 } 00095 00096 #endif ///< NET_INSTAWEB_UTIL_PUBLIC_CLIENT_STATE_H_