Page Speed Optimization Libraries  1.7.30.2
net/instaweb/apache/mod_spdy_fetch_controller.h
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00001 /*
00002  * Copyright 2012 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 
00024 
00025 #ifndef NET_INSTAWEB_APACHE_MOD_SPDY_FETCH_CONTROLLER_H_
00026 #define NET_INSTAWEB_APACHE_MOD_SPDY_FETCH_CONTROLLER_H_
00027 
00028 #include "net/instaweb/http/public/rate_controller.h"
00029 #include "net/instaweb/util/public/atomic_bool.h"
00030 #include "net/instaweb/util/public/basictypes.h"
00031 #include "net/instaweb/util/public/queued_worker_pool.h"
00032 #include "net/instaweb/util/public/string.h"
00033 
00034 namespace net_instaweb {
00035 
00036 class AsyncFetch;
00037 class MessageHandler;
00038 class ModSpdyFetcher;
00039 class Statistics;
00040 class Timer;
00041 class ThreadSystem;
00042 
00043 class ModSpdyFetchController {
00044  public:
00046   ModSpdyFetchController(int num_threads,
00047                          ThreadSystem* thread_system,
00048                          Timer* timer,
00049                          Statistics* statistics);
00050   ~ModSpdyFetchController();
00051 
00053   static void InitStats(Statistics* statistics);
00054 
00056   void ScheduleBlockingFetch(
00057       ModSpdyFetcher* fetcher, const GoogleString& url, Statistics* stats,
00058       MessageHandler* message_handler, AsyncFetch* fetch);
00059 
00062   void ShutDown() { shutdown_.set_value(true); }
00063   bool is_shut_down() const { return shutdown_.value(); }
00064 
00065   Timer* timer() const { return timer_; }
00066 
00067  private:
00068   class FetchDispatcher;
00069 
00070   Timer* timer_;
00071   RateController rate_controller_;
00072   QueuedWorkerPool thread_pool_;
00073   AtomicBool shutdown_;
00074   DISALLOW_COPY_AND_ASSIGN(ModSpdyFetchController);
00075 };
00076 
00077 }  
00078 
00079 #endif  ///< NET_INSTAWEB_APACHE_MOD_SPDY_FETCH_CONTROLLER_H_
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