version 1.32, 2002/07/26 20:01:19
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version 1.57, 2008/12/01 17:49:53
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//%///////////-*-c++-*-///////////////////////////////////////////////////////// |
//%LICENSE//////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM, |
// Licensed to The Open Group (TOG) under one or more contributor license |
// The Open Group, Tivoli Systems |
// agreements. Refer to the OpenPegasusNOTICE.txt file distributed with |
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// this work for additional information regarding copyright ownership. |
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// Each contributor licenses this file to you under the OpenPegasus Open |
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// Source License; you may not use this file except in compliance with the |
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// License. |
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// |
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// Permission is hereby granted, free of charge, to any person obtaining a |
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// copy of this software and associated documentation files (the "Software"), |
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// to deal in the Software without restriction, including without limitation |
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// the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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// and/or sell copies of the Software, and to permit persons to whom the |
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// Software is furnished to do so, subject to the following conditions: |
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// |
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// The above copyright notice and this permission notice shall be included |
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// in all copies or substantial portions of the Software. |
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// |
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
// | // |
// 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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// deal in the Software without restriction, including without limitation the |
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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// sell copies of the Software, and to permit persons to whom the Software is |
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// furnished to do so, subject to the following conditions: |
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// |
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// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN |
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// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED |
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// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT |
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// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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// |
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//============================================================================== |
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// |
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// Author: Mike Day (mdday@us.ibm.com) <<< Wed Mar 13 20:49:40 2002 mdd >>> |
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// |
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// Modified By: |
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// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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#ifndef Pegasus_Module_Controller_h |
#ifndef Pegasus_ModuleController_h |
#define Pegasus_Module_Controller_h |
#define Pegasus_ModuleController_h |
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#include <Pegasus/Common/Config.h> | #include <Pegasus/Common/Config.h> |
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#include <Pegasus/Common/Linkage.h> |
#include <Pegasus/Common/Constants.h> | #include <Pegasus/Common/Constants.h> |
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#include <Pegasus/Common/List.h> |
#include <Pegasus/Common/Message.h> | #include <Pegasus/Common/Message.h> |
#include <Pegasus/Common/Exception.h> |
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#include <Pegasus/Common/IPC.h> |
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#include <Pegasus/Common/Thread.h> |
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#include <Pegasus/Common/AsyncOpNode.h> |
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#include <Pegasus/Common/Cimom.h> |
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#include <Pegasus/Common/CimomMessage.h> |
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#include <Pegasus/Common/MessageQueueService.h> | #include <Pegasus/Common/MessageQueueService.h> |
#include <Pegasus/Common/peg_authorization.h> |
#include <Pegasus/Common/AsyncOpNode.h> |
#include <Pegasus/Common/Linkage.h> |
#include <Pegasus/Common/AutoPtr.h> |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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class ModuleController; |
class PEGASUS_COMMON_LINKAGE RegisteredModuleHandle : public Linkable |
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class PEGASUS_COMMON_LINKAGE pegasus_module |
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{ |
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private: |
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class module_rep : public pegasus_auth_handle |
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{ | { |
public: | public: |
typedef pegasus_auth_handle Base; |
RegisteredModuleHandle( |
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module_rep(ModuleController *controller, |
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const String & name, | const String & name, |
void *module_address, | void *module_address, |
Message * (*receive_message)(Message *, void *), |
Message* (*receive_message)(Message *, void *)); |
void (*async_callback)(Uint32, Message *, void *), |
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void (*shutdown_notify)(Uint32 code, void *)); |
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~module_rep(void) ; |
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Boolean operator == (const module_rep *rep) const |
virtual ~RegisteredModuleHandle(); |
{ if (rep == this ) return true; return false; } |
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Boolean operator == (const module_rep &rep) const |
const String& get_name() const; |
{ if (rep == *this) return true; return false; } |
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Boolean operator == (void *rep) const |
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{ if ( (void *)this == rep ) return true; return false; } |
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void reference(void) { _reference_count++; } |
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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 *parm); |
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void _send_shutdown_notify(void); |
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void lock(void) { _thread_safety.lock(pegasus_thread_self()); } |
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void unlock(void) { _thread_safety.unlock(); } |
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Boolean authorized(void) ; |
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Boolean authorized(Uint32); |
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Boolean authorized(Uint32, Uint32); |
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private: | private: |
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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RegisteredModuleHandle(); |
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RegisteredModuleHandle(const RegisteredModuleHandle&); |
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RegisteredModuleHandle& operator=(const RegisteredModuleHandle&); |
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Mutex _thread_safety; |
Message* _receive_message(Message* msg); |
ModuleController *_controller; |
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String _name; | String _name; |
AtomicInt _reference_count; |
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AtomicInt _shutting_down; |
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void *_module_address; | void *_module_address; |
Message * (*_receive_message)(Message *, void *); |
Message* (*_module_receive_message)(Message *, void *); |
void (*_async_callback)(Uint32, Message *, void *); |
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void (*_shutdown_notify)(Uint32 code, void *); |
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static Message * default_receive_message(Message *msg, void *inst) |
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{ throw NotImplemented("Module Receive"); return 0; } |
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static void default_async_callback(Uint32 handle, Message *msg, void *inst) |
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{ throw NotImplemented("Module Async Receive"); } |
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static void default_shutdown_notify(Uint32 code, void *inst) |
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{ return; } |
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static Message * closed_receive_message(Message *msg, void *inst) |
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{ throw ModuleClosed(); return 0; } |
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static void closed_async_callback(Uint32 handle, Message *msg, void *inst) |
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{ throw ModuleClosed(); } |
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friend class ModuleController; | friend class ModuleController; |
}; | }; |
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public: |
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pegasus_module(ModuleController *controller, |
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const String &id, |
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void *module_address, |
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Message * (*receive_message)(Message *, void *), |
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void (*async_callback)(Uint32, Message *, void *), |
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void (*shutdown_notify)(Uint32 code, void *)) ; |
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pegasus_module(const pegasus_module & mod); |
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pegasus_module & operator= (const pegasus_module & mod); |
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virtual ~pegasus_module(void); |
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virtual Boolean authorized(Uint32 operation); |
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virtual Boolean authorized(void); |
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Boolean operator == (const pegasus_module & mod) const ; |
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Boolean operator == (const String & mod) const; |
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Boolean operator == (const void *mod) const; |
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const String & get_name(void) const; |
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// introspection interface |
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Boolean query_interface(const String & class_id, void **object_ptr) const; |
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private: |
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module_rep *_rep; |
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pegasus_module(void) |
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{ |
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} |
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Boolean _rcv_msg(Message *) ; |
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Message * _receive_message(Message *msg); |
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void _send_async_callback(Uint32 msg_handle, Message *msg, void *) ; |
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void _send_shutdown_notify(void); |
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Boolean _shutdown(void); |
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PEGASUS_STD(bitset<32>) _allowed_operations; |
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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; |
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}; |
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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 GET_CLIENT_HANDLE; |
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static const Uint32 REGISTER_MODULE; |
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static const Uint32 DEREGISTER_MODULE; |
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static const Uint32 FIND_SERVICE; |
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static const Uint32 FIND_MODULE_IN_SERVICE; |
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static const Uint32 GET_MODULE_REFERENCE; |
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static const Uint32 MODULE_SEND_WAIT; |
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static const Uint32 MODULE_SEND_WAIT_MODULE; |
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static const Uint32 MODULE_SEND_ASYNC; |
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static const Uint32 MODULE_SEND_ASYNC_MODULE; |
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static const Uint32 BLOCKING_THREAD_EXEC; |
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static const Uint32 ASYNC_THREAD_EXEC; |
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static const Uint32 CLIENT_SEND_WAIT; |
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static const Uint32 CLIENT_SEND_WAIT_MODULE; |
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static const Uint32 CLIENT_SEND_ASYNC; |
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static const Uint32 CLIENT_SEND_ASYNC_MODULE; |
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static const Uint32 CLIENT_BLOCKING_THREAD_EXEC; |
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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: |
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class client_handle : public pegasus_auth_handle |
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{ |
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public: |
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typedef pegasus_auth_handle Base; |
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client_handle(const pegasus_identity & id) |
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:Base(id) , |
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allowed_operations( GET_CLIENT_HANDLE | |
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FIND_SERVICE | |
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FIND_MODULE_IN_SERVICE | |
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GET_MODULE_REFERENCE | |
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CLIENT_SEND_WAIT | |
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CLIENT_SEND_WAIT_MODULE | |
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CLIENT_SEND_ASYNC | |
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CLIENT_SEND_ASYNC_MODULE | |
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CLIENT_BLOCKING_THREAD_EXEC | |
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CLIENT_ASYNC_THREAD_EXEC), |
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reference_count(1) |
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{ |
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} |
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~client_handle(void) |
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{ |
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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; |
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} |
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virtual Boolean authorized(Uint32, Uint32); |
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virtual Boolean authorized(Uint32 operation); |
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virtual Boolean authorized(void); |
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PEGASUS_STD(bitset<32>) allowed_operations; |
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AtomicInt reference_count; |
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}; |
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class callback_handle |
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{ |
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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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~callback_handle() |
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{ |
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if( _module->get_name() == String(PEGASUS_MODULENAME_TEMP) ) |
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delete _module; |
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} |
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pegasus_module * _module; |
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void *_parm; |
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}; |
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public: |
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ModuleController(const char *name); | ModuleController(const char *name); |
/* 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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/* struct timeval & deadlock); */ |
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~ModuleController(void); |
~ModuleController(); |
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void register_module( |
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// module api |
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static ModuleController & register_module(const String & controller_name, |
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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 *), |
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void (*shutdown_notify)(Uint32, void *), |
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pegasus_module **instance = NULL) |
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throw(AlreadyExists, IncompatibleTypes); |
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Boolean deregister_module(const String & module_name) |
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throw(Permission); |
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Uint32 find_service(const pegasus_module & handle, const String & name) throw(Permission); |
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Uint32 find_module_in_service(const pegasus_module & handle, |
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const String & module_name) |
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throw(Permission, IPCException); |
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static ModuleController* getModuleController(); |
pegasus_module * get_module_reference(const pegasus_module & my_handle, |
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const String & module_name) |
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throw(Permission); |
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// send a message to another service | // send a message to another service |
AsyncReply *ModuleSendWait(const pegasus_module & handle, |
AsyncReply* ClientSendWait( |
Uint32 destination_q, |
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AsyncRequest *request) throw(Permission, IPCException); |
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// send a message to another module via another service |
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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) throw(Permission, Deadlock, IPCException); |
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// send an async message to another service |
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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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AsyncRequest *message, |
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void *callback_parm) throw(Permission, IPCException); |
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// send an async message to another module via another service |
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Boolean ModuleSendAsync(const pegasus_module & handle, |
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Uint32 msg_handle, |
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Uint32 destination_q, | Uint32 destination_q, |
const String & destination_module, |
AsyncRequest* request); |
AsyncRequest *message, |
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void *callback_parm) throw(Permission, IPCException); |
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Boolean ModuleSendForget(const pegasus_module & handle, |
Boolean ClientSendForget( |
Uint32 destination_q, | Uint32 destination_q, |
AsyncRequest *message) |
AsyncRequest* message); |
throw(Permission, 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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throw(Permission, 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) throw(Permission, Deadlock, 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) throw(Permission, Deadlock, IPCException); |
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Boolean verify_handle(pegasus_module *); |
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static ModuleController & get_client_handle(const pegasus_identity & id, |
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client_handle **handle) |
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throw(IncompatibleTypes); |
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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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throw(IncompatibleTypes); |
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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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AsyncReply *ClientSendWait(const client_handle & handle, |
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Uint32 destination_q, |
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AsyncRequest *request) |
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throw(Permission, IPCException); |
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// send a message to another module via another service |
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AsyncReply *ClientSendWait(const client_handle & handle, |
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Uint32 destination_q, |
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String & destination_module, |
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AsyncRequest *message) |
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throw(Permission, Deadlock, IPCException); |
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// send an async message to another service |
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Boolean ClientSendAsync(const client_handle & handle, |
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Uint32 msg_handle, |
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Uint32 destination_q, |
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AsyncRequest *message, |
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void (*async_callback)(Uint32, Message *, void *) , |
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void *callback_parm) |
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throw(Permission, IPCException); |
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// send an async message to another module via another service |
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Boolean ClientSendAsync(const client_handle & 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 (*async_callback)(Uint32, Message *, void *), |
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void *callback_parm ) |
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throw(Permission, 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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throw(Permission, 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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throw(Permission, IPCException); |
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void client_blocking_thread_exec(const client_handle & handle, |
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PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *), |
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void *parm) |
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throw(Permission, Deadlock, IPCException); |
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void client_async_thread_exec(const client_handle & handle, |
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PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *thread_func)(void *), |
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void *parm) |
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throw(Permission, Deadlock, IPCException); |
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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); |
typedef List<RegisteredModuleHandle, Mutex> RegisteredModulesList; |
DQueue<pegasus_module> _modules; |
RegisteredModulesList _modules; |
pegasus_module _internal_module; |
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AsyncReply *_send_wait(Uint32, AsyncRequest *); |
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AsyncReply *_send_wait(Uint32, const String &, AsyncRequest *); |
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Boolean _send_forget(Uint32, AsyncRequest *) throw(IPCException); |
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Boolean _send_forget(Uint32, const String &, AsyncRequest *) throw(IPCException); |
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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_ModuleController_h |
#endif // Pegasus_Module_Controller_H |
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