Page Speed Optimization Libraries
1.5.27.2
|
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 00069 void ProxyRequestCallback( 00070 bool is_resource_fetch, 00071 GoogleUrl* request_url, 00072 AsyncFetch* async_fetch, 00073 RewriteOptions* domain_options, 00074 RewriteOptions* query_options, 00075 MessageHandler* handler); 00076 00078 bool IsWellFormedUrl(const GoogleUrl& url); 00079 00080 static const char kBlinkRequestCount[]; 00081 static const char kBlinkCriticalLineRequestCount[]; 00082 static const char kCacheHtmlRequestCount[]; 00083 00085 virtual ProxyFetchPropertyCallbackCollector* InitiatePropertyCacheLookup( 00086 bool is_resource_fetch, 00087 const GoogleUrl& request_url, 00088 RewriteOptions* options, 00089 AsyncFetch* async_fetch, 00090 const bool requires_blink_cohort, 00091 bool* added_page_property_callback); 00092 00093 private: 00094 friend class ProxyInterfaceTest; 00095 00099 void ProxyRequest(bool is_resource_fetch, 00100 const GoogleUrl& requested_url, 00101 AsyncFetch* async_fetch, 00102 MessageHandler* handler); 00103 00104 PropertyCache::CohortVector GetCohortList(bool requires_blink_cohort) const; 00105 00108 bool UrlAndPortMatchThisServer(const GoogleUrl& url); 00109 00111 ServerContext* server_context_; 00112 UrlAsyncFetcher* fetcher_; 00113 Timer* timer_; 00114 MessageHandler* handler_; 00115 00119 const GoogleString hostname_; 00120 const int port_; 00121 00124 TimedVariable* all_requests_; 00126 TimedVariable* pagespeed_requests_; 00128 TimedVariable* blink_requests_; 00130 TimedVariable* blink_critical_line_requests_; 00132 TimedVariable* cache_html_flow_requests_; 00134 TimedVariable* rejected_requests_; 00135 00136 scoped_ptr<ProxyFetchFactory> proxy_fetch_factory_; 00137 00138 DISALLOW_COPY_AND_ASSIGN(ProxyInterface); 00139 }; 00140 00141 } 00142 00143 #endif ///< NET_INSTAWEB_AUTOMATIC_PUBLIC_PROXY_INTERFACE_H_