Page Speed Optimization Libraries
1.6.29.3
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00001 /* 00002 * Copyright 2011 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 00026 00027 #ifndef NET_INSTAWEB_AUTOMATIC_PUBLIC_PROXY_INTERFACE_H_ 00028 #define NET_INSTAWEB_AUTOMATIC_PUBLIC_PROXY_INTERFACE_H_ 00029 00030 #include "net/instaweb/http/public/url_async_fetcher.h" 00031 #include "net/instaweb/util/public/basictypes.h" 00032 #include "net/instaweb/util/public/property_cache.h" 00033 #include "net/instaweb/util/public/scoped_ptr.h" 00034 #include "net/instaweb/util/public/string.h" 00035 #include "net/instaweb/util/public/string_util.h" 00036 00037 namespace net_instaweb { 00038 00039 class AsyncFetch; 00040 class GoogleUrl; 00041 class MessageHandler; 00042 class ProxyFetchPropertyCallbackCollector; 00043 class ProxyFetchFactory; 00044 class ServerContext; 00045 class RewriteOptions; 00046 class Statistics; 00047 class TimedVariable; 00048 class Timer; 00049 00051 class ProxyInterface : public UrlAsyncFetcher { 00052 public: 00053 ProxyInterface(const StringPiece& hostname, int port, 00054 ServerContext* server_context, Statistics* stats); 00055 virtual ~ProxyInterface(); 00056 00058 static void InitStats(Statistics* statistics); 00059 00063 virtual void Fetch(const GoogleString& requested_url, 00064 MessageHandler* handler, 00065 AsyncFetch* async_fetch); 00066 00068 bool IsWellFormedUrl(const GoogleUrl& url); 00069 00070 static const char kCacheHtmlRequestCount[]; 00071 00073 virtual ProxyFetchPropertyCallbackCollector* InitiatePropertyCacheLookup( 00074 bool is_resource_fetch, 00075 const GoogleUrl& request_url, 00076 RewriteOptions* options, 00077 AsyncFetch* async_fetch, 00078 const bool requires_blink_cohort, 00079 bool* added_page_property_callback); 00080 00081 protected: 00083 ServerContext* server_context_; 00084 00085 private: 00086 friend class ProxyInterfaceTest; 00087 00091 void ProxyRequest(bool is_resource_fetch, 00092 const GoogleUrl& requested_url, 00093 AsyncFetch* async_fetch, 00094 MessageHandler* handler); 00095 00098 struct RequestData; 00099 void GetRewriteOptionsDone(RequestData* request_data, 00100 RewriteOptions* query_options); 00101 00102 PropertyCache::CohortVector GetCohortList(bool requires_blink_cohort) const; 00103 00106 bool UrlAndPortMatchThisServer(const GoogleUrl& url); 00107 00108 UrlAsyncFetcher* fetcher_; 00109 Timer* timer_; 00110 00114 const GoogleString hostname_; 00115 const int port_; 00116 00119 TimedVariable* all_requests_; 00121 TimedVariable* pagespeed_requests_; 00123 TimedVariable* cache_html_flow_requests_; 00125 TimedVariable* rejected_requests_; 00126 00127 scoped_ptr<ProxyFetchFactory> proxy_fetch_factory_; 00128 00129 DISALLOW_COPY_AND_ASSIGN(ProxyInterface); 00130 }; 00131 00132 } 00133 00134 #endif ///< NET_INSTAWEB_AUTOMATIC_PUBLIC_PROXY_INTERFACE_H_