src/mgr/IoAction.h

   1 /*
   2  * Copyright (C) 1996-2016 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 /* DEBUG: section 16    Cache Manager API */
  10
  11 #ifndef SQUID_MGR_IO_ACTION_H
  12 #define SQUID_MGR_IO_ACTION_H
  13
  14 #include "IoStats.h"
  15 #include "mgr/Action.h"
  16
  17 namespace Mgr
  18 {
  19
  20 /// store size histograms of network read() from peer server
  21 class IoActionData
  22 {
  23 public:
  24     IoActionData();
  25     IoActionData& operator += (const IoActionData& stats);
  26
  27 public:
  28     double http_reads;
  29     double ftp_reads;
  30     double gopher_reads;
  31     double http_read_hist[IoStats::histSize];
  32     double ftp_read_hist[IoStats::histSize];
  33     double gopher_read_hist[IoStats::histSize];
  34 };
  35
  36 /// implement aggregated 'io' action
  37 class IoAction: public Action
  38 {
  39 protected:
  40     IoAction(const CommandPointer &cmd);
  41
  42 public:
  43     static Pointer Create(const CommandPointer &cmd);
  44     /* Action API */
  45     virtual void add(const Action& action);
  46     virtual void pack(Ipc::TypedMsgHdr& msg) const;
  47     virtual void unpack(const Ipc::TypedMsgHdr& msg);
  48
  49 protected:
  50     /* Action API */
  51     virtual void collect();
  52     virtual void dump(StoreEntry* entry);
  53
  54 private:
  55     IoActionData data;
  56 };
  57
  58 } // namespace Mgr
  59
  60 #endif /* SQUID_MGR_IO_ACTION_H */
  61