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// -*- C++ -*-
// =========================================================================
/**
* @file Base_Server.h
*
* @desc Implements common CORBA server ORB and POA initialisations.
*
* @author Mayur Deshpande <mayur@ics.uci.edu>
*/
// =========================================================================
#ifndef BASE_SERVER_H
#define BASE_SERVER_H
#include /**/ "ace/pre.h"
#include "tao/PortableServer/PortableServer.h"
#include "tao/PortableServer/Servant_Base.h"
#include "tao/ORB.h"
// Forward declaration of the kind of servant we are willing to handle
// in this server
class AMH_Servant;
/**
Class that performs all 'dirty' initialisation work that is common to
all the AMH servers and 'hides' all the common ORB functions.
*/
class Base_Server
{
public:
Base_Server (int &argc, ACE_TCHAR **argv);
// Is there any reason to make the destructor virtual? Will you
// ever be destroying a derived class through a pointer to
// Base_Server?
//
// Mayur: I like to code 'defensively': This class already has
// virtual methods (it is a base class after all!). Making the
// destructor won't add any additional overhead (other than one more
// entry in the vtbl) and if, by chance, someone does delete a
// derived-class though this classes ptr, we are still safe. The
// short answer to your question is : I don't know. :)
virtual ~Base_Server ();
// Just parse the command line for the output-file (-o) option.
// return -1 if -o option is not present
virtual int parse_args ();
/// try and schedule using FIFO
void try_RT_scheduling ();
/// ORB inititalisation stuff
int start_orb_and_poa ();
int shutdown_orb_and_poa ();
/// register the servant with the poa
virtual void register_servant (AMH_Servant *servant);
/// orb-perform_work () abstraction
virtual void run_event_loop ();
public:
// @@ Mayur, please put inlined methods in a separate `.inl' file,
// as detailed in the ACE/TAO coding/style guidelines, and as per
// our conventions.
// Mayur: A separate file for just one method? AAAGH. OK.
/// Accesor method (for servants) to the initialised ORB
CORBA::ORB_ptr orb ();
protected:
int &argc_;
ACE_TCHAR **argv_;
const ACE_TCHAR *ior_output_file_;
CORBA::ORB_var orb_;
PortableServer::POA_var root_poa_;
private:
/// Write servant IOR to file specified with the '-o' option
int write_ior_to_file (const char * ior);
};
#if defined (__ACE_INLINE__)
# include "Base_Server.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* BASE_SERVER_H */
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