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