Page Speed Optimization Libraries  1.2.24.1
net/instaweb/util/public/hashed_referer_statistics.h
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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 
00018 
00019 #ifndef NET_INSTAWEB_UTIL_PUBLIC_HASHED_REFERER_STATISTICS_H_
00020 #define NET_INSTAWEB_UTIL_PUBLIC_HASHED_REFERER_STATISTICS_H_
00021 
00022 #include <cstddef>
00023 
00024 #include "net/instaweb/util/public/hasher.h"
00025 #include "net/instaweb/util/public/shared_mem_referer_statistics.h"
00026 #include "net/instaweb/util/public/scoped_ptr.h"
00027 #include "net/instaweb/util/public/string.h"
00028 #include "net/instaweb/util/public/string_util.h"
00029 
00030 namespace net_instaweb {
00031 
00032 class AbstractSharedMem;
00033 
00038 class HashedRefererStatistics : public SharedMemRefererStatistics {
00039  public:
00040   HashedRefererStatistics(size_t number_of_strings,
00041                           size_t average_string_length,
00042                           AbstractSharedMem* shm_runtime,
00043                           const GoogleString& filename_prefix,
00044                           const GoogleString& filename_suffix,
00045                           Hasher* hasher);
00046 
00047  protected:
00048   GoogleString GetEntryStringForUrlString(const StringPiece& url) const;
00049   GoogleString GetEntryStringForDivLocation(const StringPiece& url) const;
00050 
00051  private:
00052   scoped_ptr<Hasher> hasher_;
00053 };
00054 
00055 }  
00056 
00057 #endif  ///< NET_INSTAWEB_UTIL_PUBLIC_HASHED_REFERER_STATISTICS_H_
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