src/mgr/FunAction.h

   1 /*
   2  * $Id$
   3  *
   4  * DEBUG: section 16    Cache Manager API
   5  *
   6  */
   7
   8 #ifndef SQUID_MGR_FUN_ACTION_H
   9 #define SQUID_MGR_FUN_ACTION_H
  10
  11 #include "mgr/Action.h"
  12 #include "mgr/ActionCreator.h"
  13
  14
  15 namespace Mgr
  16 {
  17
  18 /// function-based cache manager Action; a wrapper for so called legacy actions
  19 /// that do everything using a single OBJH function
  20 class FunAction: public Action
  21 {
  22 protected:
  23     FunAction(const CommandPointer &cmd, OBJH *aHandler);
  24
  25 public:
  26     static Pointer Create(const CommandPointer &cmd, OBJH *aHandler);
  27
  28     /* Action API */
  29     virtual void respond(const Request& request);
  30     // we cannot aggregate because we do not even know what the handler does
  31     virtual bool aggregatable() const { return false; }
  32
  33 protected:
  34     /* Action API */
  35     virtual void dump(StoreEntry *entry);
  36
  37 private:
  38     OBJH *handler; ///< legacy function that collects and dumps info
  39 };
  40
  41
  42 /// creates FunAction using ActionCreator API
  43 class FunActionCreator: public ActionCreator
  44 {
  45 public:
  46     explicit FunActionCreator(OBJH *aHandler): handler(aHandler) {}
  47
  48     /* ActionCreator API */
  49     virtual Action::Pointer create(const CommandPointer &cmd) const {
  50         return FunAction::Create(cmd, handler);
  51     }
  52
  53 private:
  54     OBJH *handler; ///< legacy function to pass to the FunAction wrapper
  55 };
  56
  57 } // namespace Mgr
  58
  59 #endif /* SQUID_MGR_FUN_ACTION_H */