Page Speed Optimization Libraries
1.6.29.3
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00001 /* 00002 * Copyright 2013 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 00019 00020 #ifndef NET_INSTAWEB_AUTOMATIC_PUBLIC_CACHE_HTML_FLOW_H_ 00021 #define NET_INSTAWEB_AUTOMATIC_PUBLIC_CACHE_HTML_FLOW_H_ 00022 00023 #include "net/instaweb/rewriter/cache_html_info.pb.h" 00024 #include "net/instaweb/util/public/google_url.h" 00025 #include "net/instaweb/util/public/basictypes.h" 00026 #include "net/instaweb/util/public/scoped_ptr.h" 00027 #include "net/instaweb/util/public/string.h" 00028 00029 namespace net_instaweb { 00030 00031 class AbstractLogRecord; 00032 class AsyncFetch; 00033 class FallbackPropertyPage; 00034 class MessageHandler; 00035 class PropertyPage; 00036 class ProxyFetchPropertyCallbackCollector; 00037 class ProxyFetchFactory; 00038 class ServerContext; 00039 class RewriteOptions; 00040 class RewriteDriver; 00041 class Statistics; 00042 class TimedVariable; 00043 00054 class CacheHtmlFlow { 00055 public: 00056 class LogHelper; 00057 00060 static const char kBackgroundComputationDone[]; 00061 00062 static void Start(const GoogleString& url, 00063 AsyncFetch* base_fetch, 00064 RewriteDriver* driver, 00065 ProxyFetchFactory* factory, 00066 ProxyFetchPropertyCallbackCollector* property_callback); 00067 00068 virtual ~CacheHtmlFlow(); 00069 00070 static void InitStats(Statistics* statistics); 00071 00072 static const char kNumCacheHtmlHits[]; 00073 static const char kNumCacheHtmlMisses[]; 00074 static const char kNumCacheHtmlMatches[]; 00075 static const char kNumCacheHtmlMismatches[]; 00076 static const char kNumCacheHtmlMismatchesCacheDeletes[]; 00077 static const char kNumCacheHtmlSmartdiffMatches[]; 00078 static const char kNumCacheHtmlSmartdiffMismatches[]; 00079 00080 private: 00081 CacheHtmlFlow(const GoogleString& url, 00082 AsyncFetch* base_fetch, 00083 RewriteDriver* driver, 00084 ProxyFetchFactory* factory, 00085 ProxyFetchPropertyCallbackCollector* property_callback); 00086 00087 void CacheHtmlLookupDone(); 00088 00089 void Cancel(); 00090 00092 void CacheHtmlRewriteDone(bool flushed_split_js); 00093 00099 void CacheHtmlHit(FallbackPropertyPage* page); 00100 00103 void CacheHtmlMiss(); 00104 00106 void TriggerProxyFetch(); 00107 00110 void PopulateCacheHtmlInfo(PropertyPage* page); 00111 00112 GoogleString url_; 00113 GoogleUrl google_url_; 00114 AsyncFetch* base_fetch_; 00117 scoped_ptr<AbstractLogRecord> cache_html_log_record_; 00118 RewriteDriver* rewrite_driver_; 00119 const RewriteOptions* options_; 00120 ProxyFetchFactory* factory_; 00121 ServerContext* server_context_; 00122 ProxyFetchPropertyCallbackCollector* property_cache_callback_; 00123 MessageHandler* handler_; 00124 CacheHtmlInfo cache_html_info_; 00125 scoped_ptr<LogHelper> cache_html_log_helper_; 00126 00127 TimedVariable* num_cache_html_misses_; 00128 TimedVariable* num_cache_html_hits_; 00129 00130 DISALLOW_COPY_AND_ASSIGN(CacheHtmlFlow); 00131 }; 00132 00133 } 00134 00135 #endif ///< NET_INSTAWEB_AUTOMATIC_PUBLIC_CACHE_HTML_FLOW_H_