src/DelayPools.h

   1 /*
   2  * Copyright (C) 1996-2017 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef SQUID_DELAYPOOLS_H
  10 #define SQUID_DELAYPOOLS_H
  11
  12 #include <vector>
  13
  14 class DelayPool;
  15 class Updateable;
  16 class StoreEntry;
  17
  18 /**
  19  \defgroup DelayPoolsAPI Delay Pools API
  20  \ingroup Components
  21  */
  22
  23 /// \ingroup DelayPoolsAPI
  24 class Updateable
  25 {
  26
  27 public:
  28     virtual ~Updateable() {}
  29
  30     virtual void update(int) = 0;
  31 };
  32
  33 /// \ingroup DelayPoolsAPI
  34 class DelayPools
  35 {
  36
  37 public:
  38     static void Init();
  39     static void Update(void *);
  40     static unsigned short pools();
  41     static void pools(unsigned short pools);
  42     static void FreePools();
  43     static unsigned char *DelayClasses();
  44     static void registerForUpdates(Updateable *);
  45     static void deregisterForUpdates (Updateable *);
  46     static long MemoryUsed;
  47     static DelayPool *delay_data;
  48
  49 private:
  50     static void Stats(StoreEntry *);
  51     static void InitDelayData();
  52     static time_t LastUpdate;
  53     static unsigned short pools_;
  54     static void FreeDelayData ();
  55     static std::vector<Updateable *> toUpdate;
  56     static void RegisterWithCacheManager(void);
  57 };
  58
  59 #endif /* SQUID_DELAYPOOLS_H */
  60