version 1.16, 2002/04/01 19:25:43
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version 1.43, 2005/10/24 19:35:25
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//%////-*-c++-*-//////////////////////////////////////////////////////////////// |
//%2005//////////////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000, 2001 The Open group, BMC Software, Tivoli Systems, IBM |
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development |
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// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. |
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// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; |
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// IBM Corp.; EMC Corporation, The Open Group. |
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// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; |
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// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. |
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// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
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// EMC Corporation; VERITAS Software Corporation; The Open Group. |
// | // |
// Permission is hereby granted, free of charge, to any person obtaining a copy | // Permission is hereby granted, free of charge, to any person obtaining a copy |
// of this software and associated documentation files (the "Software"), to | // 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 >>> | // 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) |
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// David Dillard, VERITAS Software Corp. |
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// (david.dillard@veritas.com) |
// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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#define Pegasus_Module_Controller_h | #define Pegasus_Module_Controller_h |
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#include <Pegasus/Common/Config.h> | #include <Pegasus/Common/Config.h> |
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#include <Pegasus/Common/Constants.h> |
#include <Pegasus/Common/Message.h> | #include <Pegasus/Common/Message.h> |
#include <Pegasus/Common/Exception.h> |
#include <Pegasus/Common/InternalException.h> |
#include <Pegasus/Common/IPC.h> | #include <Pegasus/Common/IPC.h> |
#include <Pegasus/Common/Thread.h> | #include <Pegasus/Common/Thread.h> |
#include <Pegasus/Common/AsyncOpNode.h> | #include <Pegasus/Common/AsyncOpNode.h> |
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#include <Pegasus/Common/CimomMessage.h> | #include <Pegasus/Common/CimomMessage.h> |
#include <Pegasus/Common/MessageQueueService.h> | #include <Pegasus/Common/MessageQueueService.h> |
#include <Pegasus/Common/peg_authorization.h> | #include <Pegasus/Common/peg_authorization.h> |
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#include <Pegasus/Common/Linkage.h> |
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#include <Pegasus/Common/AutoPtr.h> |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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class ModuleController; | class ModuleController; |
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class PEGASUS_COMMON_LINKAGE pegasus_module : pegasus_authorization_handle |
class PEGASUS_COMMON_LINKAGE pegasus_module |
{ | { |
private: | private: |
class module_rep |
class module_rep : public pegasus_auth_handle |
{ | { |
public: | public: |
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typedef pegasus_auth_handle Base; |
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module_rep(ModuleController *controller, | module_rep(ModuleController *controller, |
const String & name, | const String & name, |
void *module_address, | void *module_address, |
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void (*async_callback)(Uint32, Message *, void *), | void (*async_callback)(Uint32, Message *, void *), |
void (*shutdown_notify)(Uint32 code, void *)); | void (*shutdown_notify)(Uint32 code, void *)); |
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~module_rep(void) ; |
~module_rep(); |
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Boolean operator == (const module_rep *rep) const | Boolean operator == (const module_rep *rep) const |
{ if (rep == this ) return true; return false; } |
{ |
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return(rep == this); |
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} |
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Boolean operator == (const module_rep &rep) const | Boolean operator == (const module_rep &rep) const |
{ if (rep == *this) return true; return false; } |
{ |
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return(rep == *this); |
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} |
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Boolean operator == (void *rep) const | Boolean operator == (void *rep) const |
{ if ( (void *)this == rep ) return true; return false; } |
{ |
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return(reinterpret_cast<const void *>(this) == rep); |
void reference(void) { _reference_count++; } |
} |
void dereference(void) { _reference_count--; } |
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Uint32 reference_count(void) { return _reference_count.value(); } |
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const String & get_name(void) const { return _name; } |
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void *get_module_address(void) const { return _module_address; } |
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Message * module_receive_message(Message *msg); |
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void _send_async_callback(Uint32 msg_handle, Message *msg); |
void reference() |
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{ |
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_reference_count++; |
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} |
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void _send_shutdown_notify(void); |
void dereference() |
void lock(void) { _thread_safety.lock(pegasus_thread_self()); } |
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void unlock(void) { _thread_safety.unlock(); } |
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private: |
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module_rep(void); |
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module_rep(const module_rep & ); |
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module_rep& operator= (const module_rep & rep) |
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{ | { |
if( this != &rep ) |
_reference_count--; |
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} |
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Uint32 reference_count() const |
{ | { |
_reference_count++; |
return _reference_count.get(); |
} | } |
return *this; |
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const String& get_name() const throw() |
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{ |
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return _name; |
} | } |
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module_rep *operator=(const module_rep *rep) |
void *get_module_address() const |
{ | { |
if( this != rep) |
return _module_address; |
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} |
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Message * module_receive_message(Message *msg); |
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void _send_async_callback(Uint32 msg_handle, Message *msg, void *parm); |
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void _send_shutdown_notify(); |
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void lock() |
{ | { |
_reference_count++; |
_thread_safety.lock(pegasus_thread_self()); |
} | } |
return this; |
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void unlock() |
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{ |
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_thread_safety.unlock(); |
} | } |
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Boolean authorized(); |
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Boolean authorized(Uint32); |
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Boolean authorized(Uint32, Uint32); |
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private: |
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module_rep(); |
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module_rep(const module_rep&); |
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module_rep & operator=(const module_rep & rep); |
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Mutex _thread_safety; | Mutex _thread_safety; |
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// Don't make this an AutoPtr. Refer to bug 3502 |
ModuleController *_controller; | ModuleController *_controller; |
String _name; | String _name; |
AtomicInt _reference_count; | AtomicInt _reference_count; |
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void (*_shutdown_notify)(Uint32 code, void *); | void (*_shutdown_notify)(Uint32 code, void *); |
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static Message * default_receive_message(Message *msg, void *inst) | static Message * default_receive_message(Message *msg, void *inst) |
{ throw NotImplemented("Module Receive");} |
{ |
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throw NotImplemented("Module Receive"); |
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return 0; |
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} |
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static void default_async_callback(Uint32 handle, Message *msg, void *inst) | static void default_async_callback(Uint32 handle, Message *msg, void *inst) |
{ throw NotImplemented("Module Async Receive"); } |
{ |
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throw NotImplemented("Module Async Receive"); |
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} |
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static void default_shutdown_notify(Uint32 code, void *inst) | static void default_shutdown_notify(Uint32 code, void *inst) |
{ return; } |
{ |
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// Intentionally left blank |
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} |
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static Message * closed_receive_message(Message *msg, void *inst) | static Message * closed_receive_message(Message *msg, void *inst) |
{ throw ModuleClosed();} |
{ |
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throw ModuleClosed(); |
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return 0; |
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} |
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static void closed_async_callback(Uint32 handle, Message *msg, void *inst) | static void closed_async_callback(Uint32 handle, Message *msg, void *inst) |
{ throw ModuleClosed(); } |
{ |
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throw ModuleClosed(); |
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} |
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friend class ModuleController; | friend class ModuleController; |
}; | }; |
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public: | public: |
typedef pegasus_authorization_handle Base; |
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pegasus_module(ModuleController *controller, | pegasus_module(ModuleController *controller, |
const String &id, | const String &id, |
void *module_address, | void *module_address, |
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void (*async_callback)(Uint32, Message *, void *), | void (*async_callback)(Uint32, Message *, void *), |
void (*shutdown_notify)(Uint32 code, void *)) ; | void (*shutdown_notify)(Uint32 code, void *)) ; |
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~pegasus_module(void); |
pegasus_module(const pegasus_module & mod); |
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pegasus_module & operator= (const pegasus_module & mod); |
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virtual Boolean authorized(Uint32 operation); |
virtual ~pegasus_module(); |
virtual Boolean authorized(void); |
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pegasus_module & operator= (const pegasus_module & mod); |
virtual Boolean authorized(Uint32 operation); |
pegasus_module * operator= (const pegasus_module * mod); |
virtual Boolean authorized(); |
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Boolean operator == (const pegasus_module *mod) const; |
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Boolean operator == (const pegasus_module & mod) const ; | Boolean operator == (const pegasus_module & mod) const ; |
Boolean operator == (const String & mod) const; | Boolean operator == (const String & mod) const; |
Boolean operator == (const void *mod) const; | Boolean operator == (const void *mod) const; |
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const String & get_name(void) const; |
const String & get_name() const; |
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// introspection interface | // introspection interface |
Boolean query_interface(const String & class_id, void **object_ptr) const; | Boolean query_interface(const String & class_id, void **object_ptr) const; |
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private: | private: |
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module_rep *_rep; |
AutoPtr<module_rep> _rep;//PEP101 |
pegasus_module(void); |
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pegasus_module(const pegasus_module & mod); |
pegasus_module() |
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{ |
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} |
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Boolean _rcv_msg(Message *) ; | Boolean _rcv_msg(Message *) ; |
Message * _receive_message(Message *msg); | 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; |
PEGASUS_STD(bitset<32>) _allowed_operations; |
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void reference() |
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{ |
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_rep->reference(); |
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} |
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void dereference() |
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{ |
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_rep->dereference(); |
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} |
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void reference(void) { _rep->reference(); } |
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void dereference(void) { _rep->dereference(); } |
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friend class ModuleController; | friend class ModuleController; |
}; | }; |
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class PEGASUS_COMMON_LINKAGE ModuleController : public MessageQueueService | class PEGASUS_COMMON_LINKAGE ModuleController : public MessageQueueService |
{ | { |
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public: | public: |
typedef MessageQueueService Base; | typedef MessageQueueService Base; |
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static const Uint32 CLIENT_SEND_ASYNC_MODULE; | static const Uint32 CLIENT_SEND_ASYNC_MODULE; |
static const Uint32 CLIENT_BLOCKING_THREAD_EXEC; | static const Uint32 CLIENT_BLOCKING_THREAD_EXEC; |
static const Uint32 CLIENT_ASYNC_THREAD_EXEC; | static const Uint32 CLIENT_ASYNC_THREAD_EXEC; |
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static const Uint32 CLIENT_SEND_FORGET; |
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static const Uint32 CLIENT_SEND_FORGET_MODULE; |
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static const Uint32 MODULE_SEND_FORGET; |
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static const Uint32 MODULE_SEND_FORGET_MODULE; |
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// ATTN-DME-P2-20020406 Removed private declaration. client_handle is |
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// currently used in Pegasus/Provider/CIMOMHandle.cpp |
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private: |
// private: |
class client_handle : pegasus_authorization_handle |
class client_handle : public pegasus_auth_handle |
{ | { |
public: | public: |
typedef pegasus_authorization_handle Base; |
typedef pegasus_auth_handle Base; |
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client_handle(void) |
client_handle(const pegasus_identity & id) |
:Base(new pegasus_internal_identity(peg_credential_types::SERVICE)), |
:Base(id) , |
allowed_operations( GET_CLIENT_HANDLE | | allowed_operations( GET_CLIENT_HANDLE | |
FIND_SERVICE | | FIND_SERVICE | |
FIND_MODULE_IN_SERVICE | | FIND_MODULE_IN_SERVICE | |
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CLIENT_SEND_ASYNC | | CLIENT_SEND_ASYNC | |
CLIENT_SEND_ASYNC_MODULE | | CLIENT_SEND_ASYNC_MODULE | |
CLIENT_BLOCKING_THREAD_EXEC | | CLIENT_BLOCKING_THREAD_EXEC | |
CLIENT_ASYNC_THREAD_EXEC) |
CLIENT_ASYNC_THREAD_EXEC), |
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reference_count(1) |
{ | { |
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} | } |
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client_handle(pegasus_base_identity *id) |
~client_handle() |
:Base(id) |
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{ | { |
if( id && (id->get_base_id_type() == peg_identity_types::INTERNAL )) |
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{ |
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if (id->get_base_cred_type() == peg_credential_types::SERVICE ) |
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allowed_operations = ModuleController::CLIENT_SEND_WAIT | |
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ModuleController::CLIENT_SEND_WAIT_MODULE | |
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ModuleController::CLIENT_SEND_ASYNC | |
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ModuleController::CLIENT_SEND_ASYNC_MODULE | |
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ModuleController::CLIENT_BLOCKING_THREAD_EXEC | |
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ModuleController::CLIENT_ASYNC_THREAD_EXEC; |
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else |
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allowed_operations = 0; |
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} | } |
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client_handle & operator=(const client_handle & handle) |
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{ |
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if (this == &handle) |
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return *this; |
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reference_count++; |
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return *this; |
} | } |
~client_handle(void); |
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virtual Boolean authorized(Uint32 operation); |
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virtual Boolean authorized(void); |
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private: |
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bitset<64> allowed_operations; |
virtual Boolean authorized(Uint32, Uint32); |
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virtual Boolean authorized(Uint32 operation); |
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virtual Boolean authorized(); |
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PEGASUS_STD(bitset<32>) allowed_operations; |
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AtomicInt reference_count; |
}; | }; |
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class callback_handle |
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{ |
public: | public: |
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static void * operator new(size_t ); |
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static void operator delete(void *, size_t); |
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private: |
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static callback_handle *_head; |
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static const int BLOCK_SIZE; |
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static Mutex _alloc_mut; |
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public: |
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callback_handle(pegasus_module * module, void *parm) |
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: _module(module), _parm(parm) |
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{ |
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} |
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ModuleController(const char *name); |
~callback_handle() |
ModuleController(const char *name, |
{ |
Sint16 min_threads, |
if( _module->get_name() == String(PEGASUS_MODULENAME_TEMP) ) |
Sint16 max_threads, |
// delete _module; |
struct timeval & create_thread, |
_module.reset(); |
struct timeval & destroy_thread, |
} |
struct timeval & deadlock); |
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~ModuleController(void); |
AutoPtr<pegasus_module> _module;//PEP101 |
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void *_parm; |
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}; |
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static ModuleController & get_client_handle(const String & controller_name, |
public: |
void **handle); |
ModuleController(const char *name); |
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/* ModuleController(const char *name, */ |
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/* Sint16 min_threads, */ |
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/* Sint16 max_threads, */ |
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/* struct timeval & create_thread, */ |
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/* struct timeval & destroy_thread); */ |
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~ModuleController(); |
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// module api | // module api |
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// @exception AlreadyExistsException |
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// @exception IncompatibleTypesException |
static ModuleController & register_module(const String & controller_name, | static ModuleController & register_module(const String & controller_name, |
const String & module_name, | const String & module_name, |
void *module_address, | void *module_address, |
Message * (*receive_message)(Message *, void *), | Message * (*receive_message)(Message *, void *), |
void (*async_callback)(Uint32, Message *, void *), | void (*async_callback)(Uint32, Message *, void *), |
void (*shutdown_notify)(Uint32, void *), | void (*shutdown_notify)(Uint32, void *), |
pegasus_module **instance = NULL) |
pegasus_module **instance = NULL); |
throw(AlreadyExists, IncompatibleTypes); |
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Boolean deregister_module(const String & module_name) |
// @exception Permission |
throw(Permission); |
Boolean deregister_module(const String & module_name); |
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Uint32 find_service(pegasus_module & handle, const String & name) throw(Permission); |
// @exception Permission |
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Uint32 find_service(const pegasus_module & handle, const String & name); |
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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, |
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const String & module_name); |
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// @exception Permission |
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pegasus_module * get_module_reference(const pegasus_module & my_handle, |
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const String & module_name); |
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// send a message to another service |
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// @exception Permission |
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// @exception IPCException |
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AsyncReply *ModuleSendWait(const pegasus_module & handle, |
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Uint32 destination_q, |
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AsyncRequest *request); |
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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 |
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// @exception IPCException |
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AsyncReply *ModuleSendWait(const pegasus_module & handle, |
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Uint32 destination_q, |
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const String & destination_module, |
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AsyncRequest *message); |
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// send a message to another service |
// send an async message to another service |
AsyncReply *ModuleSendWait(pegasus_module & handle, |
// @exception Permission |
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// @exception DeadLock |
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// @exception IPCException |
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Boolean ModuleSendAsync(const pegasus_module & handle, |
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Uint32 msg_handle, |
Uint32 destination_q, | Uint32 destination_q, |
AsyncRequest *request) throw(Permission, IPCException); |
AsyncRequest *message, |
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void *callback_parm); |
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// send an async message to another module via another service |
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// @exception Permission |
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// @exception IPCException |
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Boolean ModuleSendAsync(const pegasus_module & handle, |
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Uint32 msg_handle, |
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Uint32 destination_q, |
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const String & destination_module, |
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AsyncRequest *message, |
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void *callback_parm); |
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// @exception Permission |
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// @exception IPCException |
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Boolean ModuleSendForget(const pegasus_module & handle, |
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Uint32 destination_q, |
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AsyncRequest *message); |
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// @exception Permission |
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// @exception IPCException |
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Boolean ModuleSendForget(const pegasus_module & handle, |
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Uint32 destination_q, |
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const String & destination_module, |
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AsyncRequest *message); |
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// @exception Permission |
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// @exception Deadlock |
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// @exception IPCException |
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void blocking_thread_exec(const pegasus_module & handle, |
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PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *), |
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void *parm); |
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// @exception Permission |
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// @exception Deadlock |
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// @exception IPCException |
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void async_thread_exec(const pegasus_module & handle, |
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PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *), |
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void *parm); |
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Boolean verify_handle(pegasus_module *); |
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// @exception IncompatibleTypesException |
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static ModuleController & get_client_handle(const pegasus_identity & id, |
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client_handle **handle); |
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// @exception IncompatibleTypesException |
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static ModuleController & get_client_handle(const char *controller, |
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const pegasus_identity & id, |
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client_handle **handle); |
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void return_client_handle(client_handle *handle); |
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// send a message to another service |
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// @exception Permission |
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// @exception IPCException |
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AsyncReply *ClientSendWait(const client_handle & handle, |
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Uint32 destination_q, AsyncRequest *request); |
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// send a message to another module via another service | // send a message to another module via another service |
AsyncReply *ModuleSendWait(pegasus_module & handle, |
// @exception Permission |
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// @exception Deadlock |
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// @exception IPCException |
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AsyncReply *ClientSendWait(const client_handle & handle, |
Uint32 destination_q, | Uint32 destination_q, |
String & destination_module, | String & destination_module, |
AsyncRequest *message) throw(Permission, Deadlock, IPCException); |
AsyncRequest *message); |
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// send an async message to another service | // send an async message to another service |
Boolean ModuleSendAsync(pegasus_module & handle, |
// @exception Permission |
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// @exception IPCException |
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Boolean ClientSendAsync(const client_handle & handle, |
Uint32 msg_handle, | Uint32 msg_handle, |
Uint32 destination_q, | Uint32 destination_q, |
AsyncRequest *message) throw(Permission, IPCException); |
AsyncRequest *message, |
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void (*async_callback)(Uint32, Message *, void *) , |
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void *callback_parm); |
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// send an async message to another module via another service | // send an async message to another module via another service |
Boolean ModuleSendAsync(pegasus_module & handle, |
// @exception Permission |
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// @exception IPCException |
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Boolean ClientSendAsync(const client_handle & handle, |
Uint32 msg_handle, | Uint32 msg_handle, |
Uint32 destination_q, | Uint32 destination_q, |
String & destination_module, |
const String & destination_module, |
AsyncRequest *message) throw(Permission, IPCException); |
AsyncRequest *message, |
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void (*async_callback)(Uint32, Message *, void *), |
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void *callback_parm); |
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// @exception Permission |
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// @exception IPCException |
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Boolean ClientSendForget(const client_handle & handle, |
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Uint32 destination_q, |
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AsyncRequest *message); |
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// @exception Permission |
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// @exception IPCException |
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Boolean ClientSendForget(const client_handle & handle, |
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Uint32 destination_q, |
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const String & destination_module, |
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AsyncRequest *message); |
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void blocking_thread_exec(pegasus_module & handle, |
// @exception Permission |
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// @exception Deadlock |
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// @exception IPCException |
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void client_blocking_thread_exec(const client_handle & handle, |
PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *), | PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *), |
void *parm) throw(Permission, Deadlock, IPCException); |
void *parm); |
void async_thread_exec(pegasus_module & handle, |
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// @exception Permission |
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// @exception Deadlock |
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// @exception IPCException |
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void client_async_thread_exec(const client_handle & handle, |
PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *), | PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *), |
void *parm) throw(Permission, Deadlock, IPCException); |
void *parm); |
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Boolean verify_handle(pegasus_module *); |
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protected: | protected: |
// ATTN-RK-P2-20010322: These methods are pure virtual in superclass | // ATTN-RK-P2-20010322: These methods are pure virtual in superclass |
virtual void handleEnqueue(void) {} |
virtual void handleEnqueue() {} |
virtual void handleEnqueue(Message *) {} | virtual void handleEnqueue(Message *) {} |
virtual void _handle_async_request(AsyncRequest *rq); | virtual void _handle_async_request(AsyncRequest *rq); |
virtual void _handle_async_callback(AsyncOpNode *op); | virtual void _handle_async_callback(AsyncOpNode *op); |
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private: | private: |
static void _async_handleEnqueue(AsyncOpNode *h, MessageQueue *q, void *parm); |
class _module_lock |
DQueue<pegasus_module> _modules; |
{ |
ThreadPool _thread_pool; |
public: |
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_module_lock(DQueue<pegasus_module> * list) |
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:_list(list) |
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{ |
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_list->lock(); |
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} |
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~_module_lock() |
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{ |
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_list->unlock(); |
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} |
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private: |
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_module_lock(); |
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DQueue<pegasus_module> * _list; |
}; | }; |
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static void _async_handleEnqueue(AsyncOpNode *h, MessageQueue *q, void *parm); |
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DQueue<pegasus_module> _modules; |
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AsyncReply *_send_wait(Uint32, AsyncRequest *); |
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AsyncReply *_send_wait(Uint32, const String &, AsyncRequest *); |
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// @exception IPCException |
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Boolean _send_forget(Uint32, AsyncRequest *); |
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// @exception IPCException |
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Boolean _send_forget(Uint32, const String &, AsyncRequest *); |
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void _blocking_thread_exec( |
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PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *), |
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void *parm); |
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void _async_thread_exec( |
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PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *), |
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void *parm); |
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}; |
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PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |
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#endif // Pegasus_Module_Controller_H | #endif // Pegasus_Module_Controller_H |