pegasus/src/Pegasus/Common/ModuleController.h - diff

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Diff for /pegasus/src/Pegasus/Common/ModuleController.h between version 1.48 and 1.49

version 1.48, 2006/07/25 19:11:15

version 1.49, 2006/07/28 19:50:55

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// Modified By: Amit K Arora, IBM (amita@in.ibm.com)

// David Dillard, VERITAS Software Corp.

// (david.dillard@veritas.com)

// Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)

//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_Module_Controller_h

#ifndef Pegasus_ModuleController_h

#define Pegasus_Module_Controller_h

#define Pegasus_ModuleController_h

#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/Linkage.h>

#include <Pegasus/Common/Constants.h>

#include <Pegasus/Common/List.h>

#include <Pegasus/Common/Message.h>

#include <Pegasus/Common/InternalException.h>

#include <Pegasus/Common/IPC.h>

#include <Pegasus/Common/Thread.h>

#include <Pegasus/Common/AsyncOpNode.h>

#include <Pegasus/Common/Cimom.h>

#include <Pegasus/Common/CimomMessage.h>

#include <Pegasus/Common/MessageQueueService.h>

#include <Pegasus/Common/Linkage.h>

#include <Pegasus/Common/AsyncOpNode.h>

#include <Pegasus/Common/AutoPtr.h>

#include <Pegasus/Common/List.h>

PEGASUS_NAMESPACE_BEGIN

class ModuleController;

class PEGASUS_COMMON_LINKAGE RegisteredModuleHandle : public Linkable

class PEGASUS_COMMON_LINKAGE pegasus_module : public Linkable

{

private:

class module_rep

{

public:

module_rep(ModuleController *controller,

RegisteredModuleHandle(

const String & name,

void *module_address,

Message * (*receive_message)(Message *, void *),

void (*async_callback)(Uint32, Message *, void *),

void (*async_callback)(Uint32, Message *, void *));

void (*shutdown_notify)(Uint32 code, void *));

~module_rep();

void reference()

virtual ~RegisteredModuleHandle();

{

_reference_count++;

}

void dereference()

const String & get_name() const;

{

_reference_count--;

}

Uint32 reference_count() const

{

return _reference_count.get();

}

const String& get_name() const throw()

{

return _name;

}

void *get_module_address() const

private:

{

return _module_address;

}

Message * module_receive_message(Message *msg);

RegisteredModuleHandle();

RegisteredModuleHandle(const RegisteredModuleHandle&);

RegisteredModuleHandle& operator=(const RegisteredModuleHandle&);

Message* _receive_message(Message* msg);

void _send_async_callback(Uint32 msg_handle, Message *msg, void *parm);

void _send_shutdown_notify();

void lock()

{

_thread_safety.lock(pegasus_thread_self());

}

void unlock()

{

_thread_safety.unlock();

}

private:

module_rep();

module_rep(const module_rep&);

module_rep & operator=(const module_rep & rep);

Mutex _thread_safety;

// Don't make this an AutoPtr. Refer to bug 3502

ModuleController* _controller;

String _name;

AtomicInt _reference_count;

AtomicInt _shutting_down;

void *_module_address;

Message * (*_receive_message)(Message *, void *);

Message* (*_module_receive_message)(Message *, void *);

void (*_async_callback)(Uint32, Message *, void *);

void (*_shutdown_notify)(Uint32 code, void *);

static Message * default_receive_message(Message *msg, void *inst)

{

throw NotImplemented("Module Receive");

return 0;

}

static void default_async_callback(Uint32 handle, Message *msg, void *inst)

{

throw NotImplemented("Module Async Receive");

}

static void default_shutdown_notify(Uint32 code, void *inst)

{

// Intentionally left blank

}

static Message * closed_receive_message(Message *msg, void *inst)

{

throw ModuleClosed();

return 0;

}

static void closed_async_callback(Uint32 handle, Message *msg, void *inst)

{

throw ModuleClosed();

}

friend class ModuleController;

};

public:

pegasus_module(ModuleController *controller,

const String &id,

void *module_address,

Message * (*receive_message)(Message *, void *),

void (*async_callback)(Uint32, Message *, void *),

void (*shutdown_notify)(Uint32 code, void *));

pegasus_module(const pegasus_module & mod);

pegasus_module & operator= (const pegasus_module & mod);

virtual ~pegasus_module();

Boolean operator == (const String & mod) const;

const String & get_name() const;

// introspection interface

Boolean query_interface(const String & class_id, void **object_ptr) const;

private:

AutoPtr<module_rep> _rep;//PEP101

pegasus_module()

{

}

Boolean _rcv_msg(Message *);

Message * _receive_message(Message *msg);

void _send_async_callback(Uint32 msg_handle, Message *msg, void *);

void _send_shutdown_notify();

Boolean _shutdown();

void reference()

{

_rep->reference();

}

void dereference()

{

_rep->dereference();

}

friend class ModuleController;

};

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class callback_handle

{

public:

callback_handle(pegasus_module * module, void *parm)

callback_handle(RegisteredModuleHandle* module, void* parm)

: _module(module), _parm(parm)

{

}

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~callback_handle()

{

if( _module->get_name() == String(PEGASUS_MODULENAME_TEMP) )

// delete _module;

_module.reset();

}

AutoPtr<pegasus_module> _module;//PEP101

AutoPtr<RegisteredModuleHandle> _module;

void *_parm;

};

public:

ModuleController(const char *name);

/* ModuleController(const char *name, */

/* Sint16 min_threads, */

/* Sint16 max_threads, */

/* struct timeval & create_thread, */

/* struct timeval & destroy_thread); */

~ModuleController();

// module api

// @exception AlreadyExistsException

// @exception IncompatibleTypesException

static ModuleController & register_module(const String & controller_name,

static ModuleController& register_module(

const String & controller_name,

const String & module_name,

void *module_address,

Message * (*receive_message)(Message *, void *),

void (*async_callback)(Uint32, Message *, void *),

void (*shutdown_notify)(Uint32, void *),

RegisteredModuleHandle** instance = 0);

pegasus_module **instance = NULL);

// @exception Permission

Boolean deregister_module(const String & module_name);

// @exception Permission

Uint32 find_service(const pegasus_module & handle, const String & name);

Uint32 find_service(

const RegisteredModuleHandle& handle,

const String& name);

// @exception Permission

// @exception IPCException

Uint32 find_module_in_service(const pegasus_module & handle,

Uint32 find_module_in_service(

const String & module_name);

const RegisteredModuleHandle& handle,

// @exception Permission

pegasus_module * get_module_reference(const pegasus_module & my_handle,

const String & module_name);

// send a message to another service

// @exception Permission

// @exception IPCException

AsyncReply *ModuleSendWait(const pegasus_module & handle,

AsyncReply* ModuleSendWait(

const RegisteredModuleHandle& handle,

Uint32 destination_q,

AsyncRequest *request);

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// @exception Permission

// @exception DeadLock

// @exception IPCException

AsyncReply *ModuleSendWait(const pegasus_module & handle,

AsyncReply* ModuleSendWait(

const RegisteredModuleHandle& handle,

Uint32 destination_q,

const String & destination_module,

AsyncRequest *message);

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// @exception Permission

// @exception DeadLock

// @exception IPCException

Boolean ModuleSendAsync(const pegasus_module & handle,

Boolean ModuleSendAsync(

const RegisteredModuleHandle& handle,

Uint32 msg_handle,

Uint32 destination_q,

AsyncRequest *message,

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// send an async message to another module via another service

// @exception Permission

// @exception IPCException

Boolean ModuleSendAsync(const pegasus_module & handle,

Boolean ModuleSendAsync(

const RegisteredModuleHandle& handle,

Uint32 msg_handle,

Uint32 destination_q,

const String & destination_module,

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// @exception Permission

// @exception IPCException

Boolean ModuleSendForget(const pegasus_module & handle,

Boolean ModuleSendForget(

const RegisteredModuleHandle& handle,

Uint32 destination_q,

AsyncRequest *message);

// @exception Permission

// @exception IPCException

Boolean ModuleSendForget(const pegasus_module & handle,

Boolean ModuleSendForget(

const RegisteredModuleHandle & handle,

Uint32 destination_q,

const String & destination_module,

AsyncRequest *message);

Boolean verify_handle(pegasus_module *);

Boolean verify_handle(RegisteredModuleHandle *);

static ModuleController* getModuleController();

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// @exception Permission

// @exception IPCException

AsyncReply *ClientSendWait(

Uint32 destination_q, AsyncRequest *request);

Uint32 destination_q,

AsyncRequest* request);

// send a message to another module via another service

// @exception Permission

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class _module_lock

{

public:

_module_lock(List<pegasus_module, RecursiveMutex> * list)

_module_lock(List<RegisteredModuleHandle, RecursiveMutex> * list)

:_list(list)

{

_list->lock();

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private:

_module_lock();

List<pegasus_module, RecursiveMutex> * _list;

List<RegisteredModuleHandle, RecursiveMutex> * _list;

};

static void _async_handleEnqueue(AsyncOpNode *h, MessageQueue *q, void *parm);

List<pegasus_module, RecursiveMutex> _modules;

List<RegisteredModuleHandle, RecursiveMutex> _modules;

AsyncReply *_send_wait(Uint32, AsyncRequest *);

AsyncReply *_send_wait(Uint32, const String &, AsyncRequest *);

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PEGASUS_NAMESPACE_END

#endif // Pegasus_Module_Controller_H

#endif // Pegasus_ModuleController_h

Legend:

Removed from v.1.48
changed lines
	Added in v.1.49

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