ACE/examples/Logger/simple-server/Logging_Handler.h

   1 /* -*- C++ -*- */
   2
   3 //=============================================================================
   4 /**
   5  *  @file    Logging_Handler.h
   6  *
   7  *  @author Doug Schmidt
   8  */
   9 //=============================================================================
  10
  11 #ifndef _CLIENT_HANDLER_H
  12 #define _CLIENT_HANDLER_H
  13
  14 #include "ace/Event_Handler.h"
  15
  16 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  17 # pragma once
  18 #endif /* ACE_LACKS_PRAGMA_ONCE */
  19
  20 #include "ace/INET_Addr.h"
  21 #include "ace/SOCK_Stream.h"
  22 #include "ace/os_include/os_netdb.h"
  23
  24 /**
  25  * @class Logging_Handler
  26  *
  27  * @brief Receive client message from the remote clients.
  28  *
  29  * This class demonstrates how to receive messages from remote
  30  * clients using the notification mechanisms in the
  31  * <ACE_Reactor>.  In addition, it also illustrates how to
  32  * utilize the <ACE_Reactor> timer mechanisms, as well.
  33  */
  34 class Logging_Handler : public ACE_Event_Handler
  35 {
  36 public:
  37   Logging_Handler () = default;
  38
  39   // = Hooks for opening and closing handlers.
  40   virtual int open ();
  41   virtual int close ();
  42
  43   /// Conversion operators.
  44   ACE_SOCK_Stream &peer ();
  45
  46 protected:
  47   // = Demultiplexing hooks.
  48   ACE_HANDLE get_handle () const override;
  49   int handle_input (ACE_HANDLE) override;
  50   int handle_close (ACE_HANDLE = ACE_INVALID_HANDLE,
  51                     ACE_Reactor_Mask = ACE_Event_Handler::ALL_EVENTS_MASK) override;
  52   int handle_timeout (const ACE_Time_Value &tv, const void *arg) override;
  53
  54   // = Really should be private...
  55   /// Ensure dynamic allocation.
  56   virtual ~Logging_Handler ();
  57
  58 private:
  59   /// Host we are connected to.
  60   char host_name_[MAXHOSTNAMELEN + 1];
  61
  62   /// Connection with client
  63   ACE_SOCK_Stream cli_stream_;
  64 };
  65
  66 #endif /* _CLIENT_HANDLER_H */