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

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Diff for /pegasus/src/Pegasus/Common/ModuleController.h between version 1.16 and 1.47

version 1.16, 2002/04/01 19:25:43

version 1.47, 2006/07/25 19:02:37

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//%////-*-c++-*-////////////////////////////////////////////////////////////////

//%2006////////////////////////////////////////////////////////////////////////

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

// IBM Corp.; EMC Corporation, The Open Group.

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; Symantec Corporation; The Open Group.

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to

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// Author: Mike Day (mdday@us.ibm.com) <<< Wed Mar 13 20:49:40 2002 mdd >>>

// Modified By:

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

// David Dillard, VERITAS Software Corp.

// (david.dillard@veritas.com)

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

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#define Pegasus_Module_Controller_h

#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/Constants.h>

#include <Pegasus/Common/Message.h>

#include <Pegasus/Common/Exception.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/peg_authorization.h>

#include <Pegasus/Common/Linkage.h>

#include <Pegasus/Common/AutoPtr.h>

#include <Pegasus/Common/List.h>

PEGASUS_NAMESPACE_BEGIN

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class ModuleController;

class PEGASUS_COMMON_LINKAGE pegasus_module : pegasus_authorization_handle

class PEGASUS_COMMON_LINKAGE pegasus_module : public Linkable

{

private:

class module_rep

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

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

~module_rep(void) ;

~module_rep();

void reference()

{

_reference_count++;

}

Boolean operator == (const module_rep *rep) const

void dereference()

{ if (rep == this ) return true; return false; }

{

_reference_count--;

}

Boolean operator == (const module_rep &rep) const

Uint32 reference_count() const

{ if (rep == *this) return true; return false; }

{

return _reference_count.get();

}

Boolean operator == (void *rep) const

const String& get_name() const throw()

{ if ( (void *)this == rep ) return true; return false; }

{

return _name;

}

void reference(void) { _reference_count++; }

void *get_module_address() const

void dereference(void) { _reference_count--; }

{

Uint32 reference_count(void) { return _reference_count.value(); }

return _module_address;

const String & get_name(void) const { return _name; }

}

void *get_module_address(void) const { return _module_address; }

Message * module_receive_message(Message *msg);

void _send_async_callback(Uint32 msg_handle, Message *msg);

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

void _send_shutdown_notify(void);

void _send_shutdown_notify();

void lock(void) { _thread_safety.lock(pegasus_thread_self()); }

void unlock(void) { _thread_safety.unlock(); }

void lock()

private:

module_rep(void);

module_rep(const module_rep & );

module_rep& operator= (const module_rep & rep)

{

if( this != &rep )

{

_reference_count++;

_thread_safety.lock(pegasus_thread_self());

}

return *this;

}

module_rep *operator=(const module_rep *rep)

void unlock()

{

if( this != rep)

_thread_safety.unlock();

{

_reference_count++;

}

return this;

}

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;

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

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

{ throw NotImplemented("Module Receive");}

{

throw NotImplemented("Module Receive");

return 0;

}

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

{ throw NotImplemented("Module Async Receive"); }

{

throw NotImplemented("Module Async Receive");

}

static void default_shutdown_notify(Uint32 code, void *inst)

{ return; }

{

// Intentionally left blank

}

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

{ throw ModuleClosed();}

{

throw ModuleClosed();

return 0;

}

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

{ throw ModuleClosed(); }

{

throw ModuleClosed();

}

friend class ModuleController;

};

public:

typedef pegasus_authorization_handle Base;

pegasus_module(ModuleController *controller,

const String &id,

void *module_address,

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

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

~pegasus_module(void);

pegasus_module(const pegasus_module & mod);

virtual Boolean authorized(Uint32 operation);

virtual Boolean authorized(void);

pegasus_module & operator= (const pegasus_module & mod);

pegasus_module * operator= (const pegasus_module * mod);

Boolean operator == (const pegasus_module *mod) const;

virtual ~pegasus_module();

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

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

Boolean operator == (const void *mod) const;

const String & get_name(void) const;

const String & get_name() const;

// introspection interface

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

private:

module_rep *_rep;

AutoPtr<module_rep> _rep;//PEP101

pegasus_module(void);

pegasus_module(const pegasus_module & mod);

pegasus_module()

{

}

Boolean _rcv_msg(Message *) ;

Message * _receive_message(Message *msg);

void _send_async_callback(Uint32 msg_handle, Message *msg) ;

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

void _send_shutdown_notify(void);

void _send_shutdown_notify();

Boolean _shutdown(void);

Boolean _shutdown();

bitset<32> _allowed_operations;

void reference()

{

_rep->reference();

}

void dereference()

{

_rep->dereference();

}

void reference(void) { _rep->reference(); }

void dereference(void) { _rep->dereference(); }

friend class ModuleController;

};

class PEGASUS_COMMON_LINKAGE ModuleController : public MessageQueueService

{

public:

typedef MessageQueueService Base;

static const Uint32 GET_CLIENT_HANDLE;

class callback_handle

static const Uint32 REGISTER_MODULE;

static const Uint32 DEREGISTER_MODULE;

static const Uint32 FIND_SERVICE;

static const Uint32 FIND_MODULE_IN_SERVICE;

static const Uint32 GET_MODULE_REFERENCE;

static const Uint32 MODULE_SEND_WAIT;

static const Uint32 MODULE_SEND_WAIT_MODULE;

static const Uint32 MODULE_SEND_ASYNC;

static const Uint32 MODULE_SEND_ASYNC_MODULE;

static const Uint32 BLOCKING_THREAD_EXEC;

static const Uint32 ASYNC_THREAD_EXEC;

static const Uint32 CLIENT_SEND_WAIT;

static const Uint32 CLIENT_SEND_WAIT_MODULE;

static const Uint32 CLIENT_SEND_ASYNC;

static const Uint32 CLIENT_SEND_ASYNC_MODULE;

static const Uint32 CLIENT_BLOCKING_THREAD_EXEC;

static const Uint32 CLIENT_ASYNC_THREAD_EXEC;

private:

class client_handle : pegasus_authorization_handle

{

public:

typedef pegasus_authorization_handle Base;

callback_handle(pegasus_module * module, void *parm)

: _module(module), _parm(parm)

client_handle(void)

:Base(new pegasus_internal_identity(peg_credential_types::SERVICE)),

allowed_operations( GET_CLIENT_HANDLE |

FIND_SERVICE |

FIND_MODULE_IN_SERVICE |

GET_MODULE_REFERENCE |

CLIENT_SEND_WAIT |

CLIENT_SEND_WAIT_MODULE |

CLIENT_SEND_ASYNC |

CLIENT_SEND_ASYNC_MODULE |

CLIENT_BLOCKING_THREAD_EXEC |

CLIENT_ASYNC_THREAD_EXEC)

{

}

client_handle(pegasus_base_identity *id)

~callback_handle()

:Base(id)

{

if( id && (id->get_base_id_type() == peg_identity_types::INTERNAL ))

{

if (id->get_base_cred_type() == peg_credential_types::SERVICE )

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

allowed_operations = ModuleController::CLIENT_SEND_WAIT |

// delete _module;

ModuleController::CLIENT_SEND_WAIT_MODULE |

_module.reset();

ModuleController::CLIENT_SEND_ASYNC |

ModuleController::CLIENT_SEND_ASYNC_MODULE |

ModuleController::CLIENT_BLOCKING_THREAD_EXEC |

ModuleController::CLIENT_ASYNC_THREAD_EXEC;

else

allowed_operations = 0;

}

AutoPtr<pegasus_module> _module;//PEP101

~client_handle(void);

void *_parm;

virtual Boolean authorized(Uint32 operation);

virtual Boolean authorized(void);

private:

bitset<64> allowed_operations;

};

public:

ModuleController(const char *name);

ModuleController(const char *name,

/* ModuleController(const char *name, */

Sint16 min_threads,

/* Sint16 min_threads, */

Sint16 max_threads,

/* Sint16 max_threads, */

struct timeval & create_thread,

/* struct timeval & create_thread, */

struct timeval & destroy_thread,

/* struct timeval & destroy_thread); */

struct timeval & deadlock);

~ModuleController(void);

static ModuleController & get_client_handle(const String & controller_name,

void **handle);

~ModuleController();

// module api

// @exception AlreadyExistsException

// @exception IncompatibleTypesException

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 *),

pegasus_module **instance = NULL)

pegasus_module **instance = NULL);

throw(AlreadyExists, IncompatibleTypes);

Boolean deregister_module(const String & module_name)

// @exception Permission

throw(Permission);

Boolean deregister_module(const String & module_name);

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

// @exception Permission

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

Uint32 find_module_in_service(pegasus_module & handle,

// @exception Permission

const String & module_name)

// @exception IPCException

throw(Permission, IPCException);

Uint32 find_module_in_service(const pegasus_module & handle,

const String & module_name);

// @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,

Uint32 destination_q,

AsyncRequest *request);

pegasus_module * get_module_reference(pegasus_module & my_handle,

// send a message to another module via another service

const String & module_name)

// @exception Permission

throw(Permission);

// @exception DeadLock

// @exception IPCException

AsyncReply *ModuleSendWait(const pegasus_module & handle,

Uint32 destination_q,

const String & destination_module,

AsyncRequest *message);

// send a message to another service

// send an async message to another service

AsyncReply *ModuleSendWait(pegasus_module & handle,

// @exception Permission

// @exception DeadLock

// @exception IPCException

Boolean ModuleSendAsync(const pegasus_module & handle,

Uint32 msg_handle,

Uint32 destination_q,

AsyncRequest *message,

void *callback_parm);

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

// @exception Permission

// @exception IPCException

Boolean ModuleSendAsync(const pegasus_module & handle,

Uint32 msg_handle,

Uint32 destination_q,

const String & destination_module,

AsyncRequest *message,

void *callback_parm);

// @exception Permission

// @exception IPCException

Boolean ModuleSendForget(const pegasus_module & handle,

Uint32 destination_q,

AsyncRequest *message);

// @exception Permission

// @exception IPCException

Boolean ModuleSendForget(const pegasus_module & handle,

Uint32 destination_q,

AsyncRequest *request) throw(Permission, IPCException);

const String & destination_module,

AsyncRequest *message);

// @exception Permission

// @exception Deadlock

// @exception IPCException

void blocking_thread_exec(const pegasus_module & handle,

PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *),

void *parm);

// @exception Permission

// @exception Deadlock

// @exception IPCException

void async_thread_exec(const pegasus_module & handle,

PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *),

void *parm);

Boolean verify_handle(pegasus_module *);

static ModuleController* getModuleController();

// send a message to another service

// @exception Permission

// @exception IPCException

AsyncReply *ClientSendWait(

Uint32 destination_q, AsyncRequest *request);

// send a message to another module via another service

AsyncReply *ModuleSendWait(pegasus_module & handle,

// @exception Permission

// @exception Deadlock

// @exception IPCException

AsyncReply *ClientSendWait(

Uint32 destination_q,

String & destination_module,

AsyncRequest *message) throw(Permission, Deadlock, IPCException);

AsyncRequest *message);

// send an async message to another service

Boolean ModuleSendAsync(pegasus_module & handle,

// @exception Permission

// @exception IPCException

Boolean ClientSendAsync(

Uint32 msg_handle,

Uint32 destination_q,

AsyncRequest *message) throw(Permission, IPCException);

AsyncRequest *message,

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

void *callback_parm);

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

Boolean ModuleSendAsync(pegasus_module & handle,

// @exception Permission

// @exception IPCException

Boolean ClientSendAsync(

Uint32 msg_handle,

Uint32 destination_q,

String & destination_module,

const String & destination_module,

AsyncRequest *message) throw(Permission, IPCException);

AsyncRequest *message,

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

void *callback_parm);

// @exception Permission

// @exception IPCException

Boolean ClientSendForget(

Uint32 destination_q,

AsyncRequest *message);

// @exception Permission

// @exception IPCException

Boolean ClientSendForget(

Uint32 destination_q,

const String & destination_module,

AsyncRequest *message);

void blocking_thread_exec(pegasus_module & handle,

// @exception Permission

// @exception Deadlock

// @exception IPCException

void client_blocking_thread_exec(

PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *),

void *parm) throw(Permission, Deadlock, IPCException);

void *parm);

void async_thread_exec(pegasus_module & handle,

// @exception Permission

// @exception Deadlock

// @exception IPCException

void client_async_thread_exec(

PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *),

void *parm) throw(Permission, Deadlock, IPCException);

void *parm);

Boolean verify_handle(pegasus_module *);

protected:

// ATTN-RK-P2-20010322: These methods are pure virtual in superclass

virtual void handleEnqueue(void) {}

virtual void handleEnqueue() {}

virtual void handleEnqueue(Message *) {}

virtual void _handle_async_request(AsyncRequest *rq);

virtual void _handle_async_callback(AsyncOpNode *op);

private:

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

class _module_lock

DQueue<pegasus_module> _modules;

{

ThreadPool _thread_pool;

public:

_module_lock(List<pegasus_module, RecursiveMutex> * list)

:_list(list)

{

_list->lock();

}

~_module_lock()

{

_list->unlock();

}

private:

_module_lock();

List<pegasus_module, RecursiveMutex> * _list;

};

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

List<pegasus_module, RecursiveMutex> _modules;

AsyncReply *_send_wait(Uint32, AsyncRequest *);

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

// @exception IPCException

Boolean _send_forget(Uint32, AsyncRequest *);

// @exception IPCException

Boolean _send_forget(Uint32, const String &, AsyncRequest *);

void _blocking_thread_exec(

PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *),

void *parm);

PEGASUS_NAMESPACE_END

void _async_thread_exec(

PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *),

void *parm);

};

PEGASUS_NAMESPACE_END

#endif // Pegasus_Module_Controller_H

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