core/Event_Handler.hh

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Copyright (c) 2000-2015 Ericsson Telecom AB
   3 // All rights reserved. This program and the accompanying materials
   4 // are made available under the terms of the Eclipse Public License v1.0
   5 // which accompanies this distribution, and is available at
   6 // http://www.eclipse.org/legal/epl-v10.html
   7 ///////////////////////////////////////////////////////////////////////////////
   8 #ifndef EVENT_HANDLER_HH
   9 #define EVENT_HANDLER_HH
  10
  11 #include "Types.h"
  12
  13 /**
  14 * The definitions in this header file are needed for TITAN.
  15 * These classes should not be used in user code.
  16 * These classes are used as base classes for class PORT.
  17 */
  18
  19 class Fd_Event_Handler {
  20   virtual void Handle_Fd_Event(int fd,
  21     boolean is_readable, boolean is_writeable, boolean is_error) = 0;
  22
  23 public:
  24   Fd_Event_Handler() {}
  25   virtual ~Fd_Event_Handler() {}
  26   virtual void log() const;
  27 private:
  28   Fd_Event_Handler(const Fd_Event_Handler&);
  29   const Fd_Event_Handler & operator= (const Fd_Event_Handler &);
  30   friend class Fd_And_Timeout_User;
  31   friend class Handler_List;
  32 };
  33
  34
  35 class Handler_List;
  36 class FdSets;
  37
  38 class Fd_And_Timeout_Event_Handler : public Fd_Event_Handler {
  39   virtual void Handle_Fd_Event(int fd,
  40     boolean is_readable, boolean is_writeable, boolean is_error);
  41   virtual void Handle_Timeout(double time_since_last_call);
  42   /// Copy constructor disabled
  43   Fd_And_Timeout_Event_Handler(const Fd_And_Timeout_Event_Handler&);
  44   /// Assignment disabled
  45   Fd_And_Timeout_Event_Handler& operator=(const Fd_And_Timeout_Event_Handler&);
  46 public:
  47   virtual void Event_Handler(const fd_set *read_fds, const fd_set *write_fds,
  48     const fd_set *error_fds, double time_since_last_call);
  49
  50 public:
  51   inline Fd_And_Timeout_Event_Handler() :
  52   callInterval(0.0), last_called(0.0), list(0), prev(0), next(0),
  53   fdSets(0), fdCount(0),
  54   isTimeout(TRUE), callAnyway(TRUE), isPeriodic(TRUE),
  55   hasEvent(FALSE)
  56   {}
  57   virtual ~Fd_And_Timeout_Event_Handler();
  58   virtual void log() const;
  59
  60   friend class Fd_And_Timeout_User;
  61   friend class Handler_List;
  62 private:
  63   double callInterval, last_called;
  64   Handler_List * list;
  65   Fd_And_Timeout_Event_Handler * prev, * next;
  66   FdSets * fdSets;
  67   int fdCount;
  68   boolean isTimeout, callAnyway, isPeriodic;
  69   boolean hasEvent;
  70 protected:
  71   boolean getIsOldApi() { return fdSets != 0; }
  72 };
  73
  74 #endif