Page Speed Optimization Libraries  1.2.24.1
net/instaweb/util/public/mock_scheduler.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_MOCK_SCHEDULER_H_
00020 #define NET_INSTAWEB_UTIL_PUBLIC_MOCK_SCHEDULER_H_
00021 
00022 #include "net/instaweb/util/public/basictypes.h"
00023 #include "net/instaweb/util/public/queued_worker_pool.h"
00024 #include "net/instaweb/util/public/scheduler.h"
00025 
00026 namespace net_instaweb {
00027 
00028 class MockTimer;
00029 class ThreadSystem;
00030 
00037 class MockScheduler : public Scheduler {
00038  public:
00039   MockScheduler(ThreadSystem* thread_system,
00040                 MockTimer* timer);
00041   virtual ~MockScheduler();
00042 
00043   virtual void RegisterWorker(QueuedWorkerPool::Sequence* w);
00044   virtual void UnregisterWorker(QueuedWorkerPool::Sequence* w);
00045 
00047   void AwaitQuiescence();
00048 
00051   void AdvanceTimeMs(int64 timeout_ms) {
00052     AdvanceTimeUs(timeout_ms * Timer::kMsUs);
00053   }
00054   void AdvanceTimeUs(int64 timeout_us);
00055 
00058   void SetTimeUs(int64 time_us);
00059 
00060  protected:
00061   virtual void AwaitWakeupUntilUs(int64 wakeup_time_us);
00062 
00063  private:
00064   inline void SetTimeUsMutexHeld(int64 time_us);
00065 
00066   MockTimer* timer_;
00067   QueuedWorkerPool::SequenceSet workers_;
00068 
00069   DISALLOW_COPY_AND_ASSIGN(MockScheduler);
00070 };
00071 
00072 }  
00073 
00074 #endif  ///< NET_INSTAWEB_UTIL_PUBLIC_MOCK_SCHEDULER_H_
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