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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// Service_Types.h
//
// = AUTHOR
// Doug Schmidt
//
// ============================================================================
#ifndef ACE_SERVICE_TYPE_H
#define ACE_SERVICE_TYPE_H
#include "ace/Service_Object.h"
#include "ace/Synch.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class ACE_Export ACE_Service_Type_Impl
{
// = TITLE
// The abstract base class of the hierarchy that defines the
// contents of the <ACE_Service_Repository>. The subclasses of
// this class allow the configuration of <ACE_Service_Objects>,
// <ACE_Modules>, and <ACE_Streams>.
//
// = DESCRIPTION
// This class provides the root of the implementation hierarchy
// of the "Bridge" pattern. It maintains a pointer to the
// appropriate type of service implementation, i.e.,
// <ACE_Service_Object>, <ACE_Module>, or <ACE_Stream>.
public:
// = Initialization and termination methods.
ACE_Service_Type_Impl (void *object,
const ASYS_TCHAR *s_name,
u_int flags = 0,
ACE_Service_Object_Exterminator gobbler = 0);
virtual ~ACE_Service_Type_Impl (void);
// = Pure virtual interface (must be defined by the subclass).
virtual int suspend (void) const = 0;
virtual int resume (void) const = 0;
virtual int init (int argc, ASYS_TCHAR *argv[]) const = 0;
virtual int fini (void) const;
virtual int info (ASYS_TCHAR **str, size_t len) const = 0;
void *object (void) const;
// The pointer to the service.
const ASYS_TCHAR *name (void) const;
// Get the name of the service.
void name (const ASYS_TCHAR *);
// Set the name of the service.
void dump (void) const;
// Dump the state of an object.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
protected:
const ASYS_TCHAR *name_;
// Name of the service.
void *obj_;
// Pointer to object that implements the service. This actually
// points to an <ACE_Service_Object>, <ACE_Module>, or <ACE_Stream>.
ACE_Service_Object_Exterminator gobbler_;
// Destroy function to deallocate obj_.
u_int flags_;
// Flags that control serivce behavior (particularly deletion).
};
class ACE_Export ACE_Service_Object_Type : public ACE_Service_Type_Impl
{
// = TITLE
// Define the methods for handling the configuration of
// <ACE_Service_Objects>.
public:
// = Initialization method.
ACE_Service_Object_Type (void *so,
const ASYS_TCHAR *name,
u_int flags = 0,
ACE_Service_Object_Exterminator gobbler = 0);
~ACE_Service_Object_Type (void);
// = Implement the hooks for <ACE_Service_Objects>.
virtual int suspend (void) const;
virtual int resume (void) const;
virtual int init (int argc, ASYS_TCHAR *argv[]) const;
virtual int fini (void) const;
virtual int info (ASYS_TCHAR **str, size_t len) const;
};
class ACE_Export ACE_Module_Type : public ACE_Service_Type_Impl
{
// = TITLE
// Define the methods for handling the configuration of
// <ACE_Modules>.
public:
// = Initialization method.
ACE_Module_Type (void *m, // Really an <ACE_Module> *.
const ASYS_TCHAR *identifier,
u_int flags = 0);
~ACE_Module_Type (void);
// = Implement the hooks for <ACE_Modules>.
virtual int suspend (void) const;
virtual int resume (void) const;
virtual int init (int argc, ASYS_TCHAR *argv[]) const;
virtual int fini (void) const;
virtual int info (ASYS_TCHAR **str, size_t len) const;
// Get/set the link pointer.
ACE_Module_Type *link (void) const;
void link (ACE_Module_Type *);
void dump (void) const;
// Dump the state of an object.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
private:
ACE_Module_Type *link_;
// Pointer to the next <ACE_Module_Type> in an <ACE_Stream_Type>.
};
class ACE_Export ACE_Stream_Type : public ACE_Service_Type_Impl
{
// = TITLE
// Define the methods for handling the configuration of
// <ACE_Streams>.
public:
// = Initialization method.
ACE_Stream_Type (void *s, // Really an <ACE_Stream> *.
const ASYS_TCHAR *identifier,
u_int flags = 0);
~ACE_Stream_Type (void);
// = Implement the hooks for <ACE_Streams>.
virtual int suspend (void) const;
virtual int resume (void) const;
virtual int init (int argc, ASYS_TCHAR *argv[]) const;
virtual int fini (void) const;
virtual int info (ASYS_TCHAR **str, size_t len) const;
int push (ACE_Module_Type *new_module);
// Add a new <ACE_Module> to the top of the <ACE_Stream>.
int remove (ACE_Module_Type *module);
// Search for <module> and remove it from the <ACE_Stream>.
ACE_Module_Type *find (const ASYS_TCHAR *mod_name) const;
// Locate the <ACE_Module> with <mod_name>.
void dump (void) const;
// Dump the state of an object.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
private:
ACE_Module_Type *head_;
// Pointer to the head of the <ACE_Module> list.
};
#if defined (__ACE_INLINE__)
#include "ace/Service_Types.i"
#endif /* __ACE_INLINE__ */
#endif /* _SERVICE_TYPE_H */
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