ACE/examples/C++NPv1/Logging_Server.h

   1 /*
   2 ** Copyright 2001 Addison Wesley. All Rights Reserved.
   3 */
   4
   5 #ifndef _LOGGING_SERVER_H
   6 #define _LOGGING_SERVER_H
   7
   8 #include "ace/FILE_IO.h"
   9 #include "ace/SOCK_Acceptor.h"
  10
  11 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  12 class ACE_SOCK_Stream;
  13 ACE_END_VERSIONED_NAMESPACE_DECL
  14
  15 class Logging_Server
  16 {
  17 public:
  18   // Template Method that runs logging server's event loop.
  19   virtual int run (int argc, char *argv[]);
  20
  21 protected:
  22   // The following four methods are ``hooks'' that can be
  23   // overridden by subclasses.
  24   virtual int open (u_short port = 0);
  25   virtual int wait_for_multiple_events () { return 0; }
  26   virtual int handle_connections () = 0;
  27   virtual int handle_data (ACE_SOCK_Stream * = 0) = 0;
  28
  29   // The following helper method can be used by the hook methods.
  30   int make_log_file (ACE_FILE_IO &, ACE_SOCK_Stream * = 0);
  31
  32   // Close the socket endpoint.
  33   virtual ~Logging_Server () { acceptor_.close (); }
  34
  35   // Accessor.
  36   ACE_SOCK_Acceptor &acceptor () { return acceptor_; }
  37
  38 private:
  39   ACE_SOCK_Acceptor acceptor_; // Socket acceptor endpoint.
  40 };
  41
  42 #endif /* _LOGGING_SERVER_H */