Page Speed Optimization Libraries
1.8.31.3
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00001 /* 00002 * Copyright 2010 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 00020 00021 #ifndef NET_INSTAWEB_HTTP_PUBLIC_COUNTING_URL_ASYNC_FETCHER_H_ 00022 #define NET_INSTAWEB_HTTP_PUBLIC_COUNTING_URL_ASYNC_FETCHER_H_ 00023 00024 #include "net/instaweb/http/public/url_async_fetcher.h" 00025 #include "net/instaweb/util/public/basictypes.h" 00026 #include "net/instaweb/util/public/platform.h" 00027 #include "net/instaweb/util/public/scoped_ptr.h" 00028 #include "net/instaweb/util/public/string.h" 00029 #include "net/instaweb/util/public/thread_system.h" 00030 00031 namespace net_instaweb { 00032 00033 class AsyncFetch; 00034 class MessageHandler; 00035 00036 class CountingUrlAsyncFetcher : public UrlAsyncFetcher { 00037 public: 00040 explicit CountingUrlAsyncFetcher(UrlAsyncFetcher* fetcher) 00041 : fetcher_(fetcher), 00042 thread_system_(Platform::CreateThreadSystem()), 00043 mutex_(thread_system_->NewMutex()) { 00044 Clear(); 00045 } 00046 virtual ~CountingUrlAsyncFetcher(); 00047 00048 void set_fetcher(UrlAsyncFetcher* fetcher) { fetcher_ = fetcher; } 00049 00050 virtual bool SupportsHttps() const { return fetcher_->SupportsHttps(); } 00051 00052 virtual void Fetch(const GoogleString& url, 00053 MessageHandler* message_handler, 00054 AsyncFetch* fetch); 00055 00057 int fetch_count() const { 00058 ScopedMutex lock(mutex_.get()); 00059 return fetch_count_; 00060 } 00061 00063 int fetch_start_count() const { 00064 ScopedMutex lock(mutex_.get()); 00065 return fetch_start_count_; 00066 } 00067 int byte_count() const { 00068 ScopedMutex lock(mutex_.get()); 00069 return byte_count_; 00070 } 00071 int failure_count() const { 00072 ScopedMutex lock(mutex_.get()); 00073 return failure_count_; 00074 } 00075 GoogleString most_recent_fetched_url() const { 00076 ScopedMutex lock(mutex_.get()); 00077 return most_recent_fetched_url_; 00078 } 00079 00080 void Clear(); 00081 00082 class CountingFetch; 00083 friend class CountingFetch; 00084 00085 private: 00086 UrlAsyncFetcher* fetcher_; 00087 int fetch_count_; 00088 int fetch_start_count_; 00089 int byte_count_; 00090 int failure_count_; 00091 GoogleString most_recent_fetched_url_; 00092 scoped_ptr<ThreadSystem> thread_system_; 00093 scoped_ptr<AbstractMutex> mutex_; 00094 00095 DISALLOW_COPY_AND_ASSIGN(CountingUrlAsyncFetcher); 00096 }; 00097 00098 } 00099 00100 #endif ///< NET_INSTAWEB_HTTP_PUBLIC_COUNTING_URL_ASYNC_FETCHER_H_