version 1.4, 2002/01/21 02:01:22
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version 1.88, 2004/10/17 20:39:17
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//%////-*-c++-*-//////////////////////////////////////////////////////////////// |
//%2004//////////////////////////////////////////////////////////////////////// |
// | // |
// 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. |
// | // |
// 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) | // Author: Mike Day (mdday@us.ibm.com) |
// | // |
// Modified By: | // Modified By: |
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// Amit K Arora, IBM (amita@in.ibm.com) for Bug#1090 |
// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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#include "MessageQueueService.h" | #include "MessageQueueService.h" |
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#include <Pegasus/Common/Tracer.h> |
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#include <Pegasus/Common/MessageLoader.h> //l10n |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(void * parm) |
cimom *MessageQueueService::_meta_dispatcher = 0; |
{ |
AtomicInt MessageQueueService::_service_count = 0; |
Thread *myself = reinterpret_cast<Thread *>(parm); |
AtomicInt MessageQueueService::_xid(1); |
MessageQueueService *service = reinterpret_cast<MessageQueueService *>(myself->get_parm()); |
Mutex MessageQueueService::_meta_dispatcher_mutex; |
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// pull messages off the incoming queue and dispatch them. then |
static struct timeval create_time = {0, 1}; |
// check pending messages that are non-blocking |
static struct timeval destroy_time = {300, 0}; |
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static struct timeval deadlock_time = {0, 0}; |
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while ( service->_die.value() < 1 ) |
ThreadPool *MessageQueueService::_thread_pool = 0; |
{ |
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AsyncOpNode *operation = service->_incoming.remove_first_wait(); |
DQueue<MessageQueueService> MessageQueueService::_polling_list(true); |
service->_handle_incoming_operation(operation); |
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} |
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myself->exit_self( (PEGASUS_THREAD_RETURN) 1 ); |
Thread* MessageQueueService::_polling_thread = 0; |
return(0); |
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} |
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PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_rpl_proc(void * parm) |
ThreadPool *MessageQueueService::get_thread_pool(void) |
{ | { |
Thread *myself = reinterpret_cast<Thread *>(parm); |
return _thread_pool; |
MessageQueueService *service = reinterpret_cast<MessageQueueService *>(myself->get_parm()); |
} |
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// pull messages off the _pending queue and complete them. |
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::kill_idle_threads(void *parm) |
// this loop is not optimized because every time we complete an operation |
{ |
// we start again to traverse the loop at the beginning. |
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Uint32 loop = 1; |
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Boolean unlinked = false; |
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| |
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static struct timeval now, last = {0,0}; |
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gettimeofday(&now, NULL); |
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int dead_threads = 0; |
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while ( service->_die.value() < 1 ) |
if( now.tv_sec - last.tv_sec > 120 ) |
{ | { |
service->_pending.wait_for_node(); |
gettimeofday(&last, NULL); |
AsyncOpNode *operation = service->_pending.next(0); |
try |
// operation = service->_pending.remove_no_lock(operation); |
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while( operation != 0 ) |
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{ | { |
if ( operation->_user_data != loop ) |
dead_threads = MessageQueueService::_thread_pool->kill_dead_threads(); |
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} |
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catch(...) |
{ | { |
Uint32 state = operation->read_state(); |
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if ( state & ASYNC_OPSTATE_COMPLETE ) |
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{ |
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service->_pending.remove_no_lock(operation) ; |
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operation->_client_sem.signal(); |
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operation = service->_pending.next(0); |
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unlinked = true; |
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continue; |
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} | } |
operation->_user_data = loop; |
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} | } |
operation = service->_pending.next(operation); |
return (PEGASUS_THREAD_RETURN)dead_threads; |
} | } |
service->_pending.unlock(); |
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loop++; |
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if ( unlinked == true) |
void MessageQueueService::force_shutdown(Boolean destroy_flag) |
{ | { |
pegasus_yield(); |
return; |
unlinked = false; |
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} |
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} |
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myself->exit_self( (PEGASUS_THREAD_RETURN) 1 ); |
#ifdef MESSAGEQUEUESERVICE_DEBUG |
return(0); |
//l10n |
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MessageLoaderParms parms("Common.MessageQueueService.FORCING_SHUTDOWN", |
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"Forcing shutdown of CIMOM Message Router"); |
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PEGASUS_STD(cout) << MessageLoader::getMessage(parms) << PEGASUS_STD(endl); |
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#endif |
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MessageQueueService *svc; |
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int counter = 0; |
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_polling_list.lock(); |
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svc = _polling_list.next(0); |
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while(svc != 0) |
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{ |
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#ifdef MESSAGEQUEUESERVICE_DEBUG |
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//l10n - reuse same MessageLoaderParms to avoid multiple creates |
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parms.msg_id = "Common.MessageQueueService.STOPPING_SERVICE"; |
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parms.default_msg = "Stopping $0"; |
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parms.arg0 = svc->getQueueName(); |
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PEGASUS_STD(cout) << MessageLoader::getMessage(parms) << PEGASUS_STD(endl); |
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#endif |
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_polling_sem.signal(); |
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svc->_shutdown_incoming_queue(); |
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counter++; |
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_polling_sem.signal(); |
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svc = _polling_list.next(svc); |
} | } |
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_polling_list.unlock(); |
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_polling_sem.signal(); |
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void MessageQueueService::_handle_incoming_operation(AsyncOpNode *operation) |
MessageQueueService::_stop_polling = 1; |
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if(destroy_flag == true) |
{ | { |
if ( operation != 0 ) |
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svc = _polling_list.remove_last(); |
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while(svc) |
{ | { |
Message *rq = operation->get_request(); |
delete svc; |
PEGASUS_ASSERT(rq != 0 ); |
svc = _polling_list.remove_last(); |
PEGASUS_ASSERT(rq->getMask() & message_mask::ha_async ); |
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PEGASUS_ASSERT(rq->getMask() & message_mask::ha_request); |
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_handle_async_request(static_cast<AsyncRequest *>(rq)); |
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} | } |
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return; |
} |
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} | } |
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Boolean MessageQueueService::messageOK(const Message *msg) |
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::polling_routine(void *parm) |
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{ |
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Thread *myself = reinterpret_cast<Thread *>(parm); |
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DQueue<MessageQueueService> *list = reinterpret_cast<DQueue<MessageQueueService> *>(myself->get_parm()); |
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while ( _stop_polling.value() == 0 ) |
{ | { |
if ( msg != 0 ) |
_polling_sem.wait(); |
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if(_stop_polling.value() != 0 ) |
{ | { |
Uint32 mask = msg->getMask(); |
break; |
if ( mask & message_mask::ha_async) |
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if ( mask & message_mask::ha_request) |
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return true; |
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} | } |
return false; |
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list->lock(); |
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MessageQueueService *service = list->next(0); |
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while(service != NULL) |
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{ |
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if(service->_incoming.count() > 0 ) |
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{ |
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_thread_pool->allocate_and_awaken(service, _req_proc); |
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} |
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service = list->next(service); |
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} |
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list->unlock(); |
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if(_check_idle_flag.value() != 0 ) |
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{ |
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_check_idle_flag = 0; |
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// If there are insufficent resources to run |
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// kill_idle_threads, then just return. |
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_thread_pool->allocate_and_awaken(service, kill_idle_threads); |
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} |
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} |
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myself->exit_self( (PEGASUS_THREAD_RETURN) 1 ); |
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return(0); |
} | } |
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Semaphore MessageQueueService::_polling_sem(0); |
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AtomicInt MessageQueueService::_stop_polling(0); |
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AtomicInt MessageQueueService::_check_idle_flag(0); |
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MessageQueueService::MessageQueueService(const char *name, | MessageQueueService::MessageQueueService(const char *name, |
Uint32 queueID, | Uint32 queueID, |
Uint32 capabilities, | Uint32 capabilities, |
Uint32 mask) | Uint32 mask) |
: Base(name, false, queueID), |
: Base(name, true, queueID), |
_capabilities(capabilities), |
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_mask(mask), | _mask(mask), |
_die(0), | _die(0), |
_pending(true, 1000), |
_incoming(true, 0), |
_incoming(true, 1000), |
_callback(true), |
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_incoming_queue_shutdown(0), |
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_callback_ready(0), |
_req_thread(_req_proc, this, false), | _req_thread(_req_proc, this, false), |
_rpl_thread(_rpl_proc, this, false) |
_callback_thread(_callback_proc, this, false) |
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{ | { |
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_capabilities = (capabilities | module_capabilities::async); |
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_default_op_timeout.tv_sec = 30; | _default_op_timeout.tv_sec = 30; |
_default_op_timeout.tv_usec = 100; | _default_op_timeout.tv_usec = 100; |
_meta_dispatcher = static_cast<cimom *>(Base::lookup(CIMOM_Q_ID)); |
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AutoMutex autoMut(_meta_dispatcher_mutex); |
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if(_meta_dispatcher == 0 ) | if(_meta_dispatcher == 0 ) |
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{ |
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PEGASUS_ASSERT( _service_count.value() == 0 ); |
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_meta_dispatcher = new cimom(); |
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if (_meta_dispatcher == NULL ) |
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{ |
throw NullPointer(); | throw NullPointer(); |
_req_thread.run(); |
} |
_rpl_thread.run(); |
_thread_pool = new ThreadPool(0, "MessageQueueService", 0, 0, |
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create_time, destroy_time, deadlock_time); |
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_polling_thread = new Thread(polling_routine, |
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reinterpret_cast<void *>(&_polling_list), |
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false); |
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while (!_polling_thread->run()) |
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{ |
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pegasus_yield(); |
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} |
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} |
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_service_count++; |
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if( false == register_service(name, _capabilities, _mask) ) |
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{ |
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//l10n |
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//throw BindFailedException("MessageQueueService Base Unable to register with Meta Dispatcher"); |
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MessageLoaderParms parms("Common.MessageQueueService.UNABLE_TO_REGISTER", |
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"MessageQueueService Base Unable to register with Meta Dispatcher"); |
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throw BindFailedException(parms); |
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} |
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_polling_list.insert_last(this); |
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// _meta_dispatcher_mutex.unlock(); //Bug#1090 |
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// _callback_thread.run(); |
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// _req_thread.run(); |
} | } |
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MessageQueueService::~MessageQueueService(void) | MessageQueueService::~MessageQueueService(void) |
{ | { |
_die = 1; | _die = 1; |
_pending.shutdown_queue(); |
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_incoming.shutdown_queue(); |
if (_incoming_queue_shutdown.value() == 0 ) |
_req_thread.join(); |
{ |
_rpl_thread.join(); |
_shutdown_incoming_queue(); |
} | } |
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_callback_ready.signal(); |
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AtomicInt MessageQueueService::_xid(1); |
{ |
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AutoMutex autoMut(_meta_dispatcher_mutex); |
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_service_count--; |
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if (_service_count.value() == 0 ) |
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{ |
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_stop_polling++; |
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_polling_sem.signal(); |
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_polling_thread->join(); |
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delete _polling_thread; |
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_polling_thread = 0; |
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_meta_dispatcher->_shutdown_routed_queue(); |
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delete _meta_dispatcher; |
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_meta_dispatcher = 0; |
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Boolean MessageQueueService::accept_async(AsyncOpNode *op) throw(IPCException) |
delete _thread_pool; |
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_thread_pool = 0; |
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} |
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} // mutex unlocks here |
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_polling_list.remove(this); |
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// Clean up in case there are extra stuff on the queue. |
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while (_incoming.count()) |
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{ |
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delete _incoming.remove_first(); |
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} |
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} |
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void MessageQueueService::_shutdown_incoming_queue(void) |
{ | { |
// incoming async request message |
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PEGASUS_ASSERT(op != 0 ); |
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Message *rq = op->get_request(); |
if (_incoming_queue_shutdown.value() > 0 ) |
if ( true == messageOK(rq) ) |
return ; |
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AsyncIoctl *msg = new AsyncIoctl(get_next_xid(), |
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0, |
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_queueId, |
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_queueId, |
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true, |
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AsyncIoctl::IO_CLOSE, |
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0, |
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0); |
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msg->op = get_op(); |
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msg->op->_flags |= ASYNC_OPFLAGS_FIRE_AND_FORGET; |
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msg->op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK | ASYNC_OPFLAGS_SAFE_CALLBACK |
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| ASYNC_OPFLAGS_SIMPLE_STATUS); |
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msg->op->_state &= ~ASYNC_OPSTATE_COMPLETE; |
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msg->op->_op_dest = this; |
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msg->op->_request.insert_first(msg); |
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_incoming.insert_last_wait(msg->op); |
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} |
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void MessageQueueService::enqueue(Message *msg) |
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{ |
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PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE, "MessageQueueService::enqueue()"); |
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Base::enqueue(msg); |
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PEG_METHOD_EXIT(); |
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} |
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PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_callback_proc(void *parm) |
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{ |
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Thread *myself = reinterpret_cast<Thread *>(parm); |
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MessageQueueService *service = reinterpret_cast<MessageQueueService *>(myself->get_parm()); |
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AsyncOpNode *operation = 0; |
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while ( service->_die.value() == 0 ) |
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{ |
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service->_callback_ready.wait(); |
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service->_callback.lock(); |
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operation = service->_callback.next(0); |
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while( operation != NULL) |
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{ |
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if( ASYNC_OPSTATE_COMPLETE & operation->read_state()) |
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{ |
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operation = service->_callback.remove_no_lock(operation); |
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PEGASUS_ASSERT(operation != NULL); |
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operation->_thread_ptr = myself; |
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operation->_service_ptr = service; |
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service->_handle_async_callback(operation); |
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break; |
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} |
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operation = service->_callback.next(operation); |
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} |
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service->_callback.unlock(); |
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} |
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myself->exit_self( (PEGASUS_THREAD_RETURN) 1 ); |
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return(0); |
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} |
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PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(void * parm) |
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{ |
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MessageQueueService *service = reinterpret_cast<MessageQueueService *>(parm); |
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// pull messages off the incoming queue and dispatch them. then |
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// check pending messages that are non-blocking |
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AsyncOpNode *operation = 0; |
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if ( service->_die.value() == 0 ) |
{ | { |
try | try |
{ | { |
_incoming.insert_first_wait(op); |
operation = service->_incoming.remove_first(); |
} | } |
catch ( IPCException& e) |
catch(ListClosed & ) |
{ | { |
return false ; |
operation = 0; |
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return(0); |
} | } |
return true; |
if( operation ) |
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{ |
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operation->_service_ptr = service; |
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service->_handle_incoming_operation(operation); |
} | } |
return false; |
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} | } |
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return(0); |
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} |
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void MessageQueueService::_completeAsyncResponse(AsyncRequest *request, |
Uint32 MessageQueueService::get_pending_callback_count(void) |
AsyncReply *reply, |
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Uint32 state, |
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Uint32 flag) |
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{ | { |
PEGASUS_ASSERT(request != 0 && reply != 0 ); |
return _callback.count(); |
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} |
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AsyncOpNode *op = request->op; |
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op->lock(); |
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// if (false == op->_response.exists(reply)) |
void MessageQueueService::_sendwait_callback(AsyncOpNode *op, |
// op->_response.insert_last(reply); |
MessageQueue *q, |
op->_response = reply; |
void *parm) |
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{ |
op->_state |= state ; |
op->_client_sem.signal(); |
op->_flags |= flag; |
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gettimeofday(&(op->_updated), NULL); |
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op->unlock(); |
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} | } |
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void MessageQueueService::handleEnqueue(void) |
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// callback function is responsible for cleaning up all resources |
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// including op, op->_callback_node, and op->_callback_ptr |
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void MessageQueueService::_handle_async_callback(AsyncOpNode *op) |
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{ |
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if( op->_flags & ASYNC_OPFLAGS_SAFE_CALLBACK ) |
{ | { |
Message *msg = dequeue(); |
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if( msg ) |
Message *msg = op->get_request(); |
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if( msg && ( msg->getMask() & message_mask::ha_async)) |
{ | { |
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if(msg->getType() == async_messages::ASYNC_LEGACY_OP_START ) |
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{ |
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AsyncLegacyOperationStart *wrapper = |
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static_cast<AsyncLegacyOperationStart *>(msg); |
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msg = wrapper->get_action(); |
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delete wrapper; |
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} |
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else if (msg->getType() == async_messages::ASYNC_MODULE_OP_START) |
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{ |
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AsyncModuleOperationStart *wrapper = |
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static_cast<AsyncModuleOperationStart *>(msg); |
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msg = wrapper->get_action(); |
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delete wrapper; |
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} |
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else if (msg->getType() == async_messages::ASYNC_OP_START) |
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{ |
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AsyncOperationStart *wrapper = |
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static_cast<AsyncOperationStart *>(msg); |
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msg = wrapper->get_action(); |
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delete wrapper; |
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} |
delete msg; | delete msg; |
} | } |
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msg = op->get_response(); |
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if( msg && ( msg->getMask() & message_mask::ha_async)) |
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{ |
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if(msg->getType() == async_messages::ASYNC_LEGACY_OP_RESULT ) |
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{ |
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AsyncLegacyOperationResult *wrapper = |
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static_cast<AsyncLegacyOperationResult *>(msg); |
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msg = wrapper->get_result(); |
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delete wrapper; |
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} |
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else if (msg->getType() == async_messages::ASYNC_MODULE_OP_RESULT) |
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{ |
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AsyncModuleOperationResult *wrapper = |
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static_cast<AsyncModuleOperationResult *>(msg); |
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msg = wrapper->get_result(); |
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delete wrapper; |
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} |
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} |
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void (*callback)(Message *, void *, void *) = op->__async_callback; |
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void *handle = op->_callback_handle; |
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void *parm = op->_callback_parameter; |
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op->release(); |
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return_op(op); |
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callback(msg, handle, parm); |
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} |
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else if( op->_flags & ASYNC_OPFLAGS_CALLBACK ) |
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{ |
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// note that _callback_node may be different from op |
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// op->_callback_response_q is a "this" pointer we can use for |
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// static callback methods |
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op->_async_callback(op->_callback_node, op->_callback_response_q, op->_callback_ptr); |
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} |
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} |
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void MessageQueueService::_handle_incoming_operation(AsyncOpNode *operation) |
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// Thread *thread, |
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// MessageQueue *queue) |
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{ |
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if ( operation != 0 ) |
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{ |
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// ATTN: optimization |
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// << Tue Feb 19 14:10:38 2002 mdd >> |
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operation->lock(); |
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Message *rq = operation->_request.next(0); |
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// optimization <<< Thu Mar 7 21:04:05 2002 mdd >>> |
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// move this to the bottom of the loop when the majority of |
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// messages become async messages. |
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// divert legacy messages to handleEnqueue |
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if ((rq != 0) && (!(rq->getMask() & message_mask::ha_async))) |
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{ |
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rq = operation->_request.remove_first() ; |
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operation->unlock(); |
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// delete the op node |
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operation->release(); |
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return_op( operation); |
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handleEnqueue(rq); |
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return; |
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} |
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if ( (operation->_flags & ASYNC_OPFLAGS_CALLBACK || |
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operation->_flags & ASYNC_OPFLAGS_SAFE_CALLBACK) && |
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(operation->_state & ASYNC_OPSTATE_COMPLETE)) |
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{ |
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operation->unlock(); |
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_handle_async_callback(operation); |
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} |
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else |
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{ |
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PEGASUS_ASSERT(rq != 0 ); |
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operation->unlock(); |
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_handle_async_request(static_cast<AsyncRequest *>(rq)); |
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} |
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} |
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return; |
} | } |
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void MessageQueueService::_handle_async_request(AsyncRequest *req) | void MessageQueueService::_handle_async_request(AsyncRequest *req) |
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} | } |
} | } |
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void MessageQueueService::_handle_async_reply(AsyncReply *rep) |
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Boolean MessageQueueService::_enqueueResponse( |
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Message* request, |
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Message* response) |
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{ |
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PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE, |
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"MessageQueueService::_enqueueResponse"); |
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if( request->getMask() & message_mask::ha_async) |
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{ |
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if (response->getMask() & message_mask::ha_async ) |
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{ |
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_completeAsyncResponse(static_cast<AsyncRequest *>(request), |
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static_cast<AsyncReply *>(response), |
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ASYNC_OPSTATE_COMPLETE, 0 ); |
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PEG_METHOD_EXIT(); |
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return true; |
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} |
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} |
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|
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if(request->_async != 0 ) |
{ | { |
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Uint32 mask = request->_async->getMask(); |
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PEGASUS_ASSERT(mask & (message_mask::ha_async | message_mask::ha_request )); |
| |
if (rep->op != 0 ) |
AsyncRequest *async = static_cast<AsyncRequest *>(request->_async); |
rep->op->processing(); |
AsyncOpNode *op = async->op; |
|
request->_async = 0; |
|
// the legacy request is going to be deleted by its handler |
|
// remove it from the op node |
| |
Uint32 type = rep->getType(); |
static_cast<AsyncLegacyOperationStart *>(async)->get_action(); |
| |
if ( type == async_messages::ASYNC_OP_RESULT ) |
|
handle_AsyncOperationResult(static_cast<AsyncOperationResult *>(rep)); |
AsyncLegacyOperationResult *async_result = |
else |
new AsyncLegacyOperationResult( |
|
async->getKey(), |
|
async->getRouting(), |
|
op, |
|
response); |
|
_completeAsyncResponse(async, |
|
async_result, |
|
ASYNC_OPSTATE_COMPLETE, |
|
0); |
|
PEG_METHOD_EXIT(); |
|
return true; |
|
} |
|
|
|
// ensure that the destination queue is in response->dest |
|
PEG_METHOD_EXIT(); |
|
return SendForget(response); |
|
|
|
} |
|
|
|
void MessageQueueService::_make_response(Message *req, Uint32 code) |
{ | { |
// we don't handle this reply |
cimom::_make_response(req, code); |
; |
} |
|
|
|
|
|
void MessageQueueService::_completeAsyncResponse(AsyncRequest *request, |
|
AsyncReply *reply, |
|
Uint32 state, |
|
Uint32 flag) |
|
{ |
|
PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE, |
|
"MessageQueueService::_completeAsyncResponse"); |
|
|
|
cimom::_completeAsyncResponse(request, reply, state, flag); |
|
|
|
PEG_METHOD_EXIT(); |
} | } |
| |
if( rep->op != 0 ) |
|
rep->op->release(); |
void MessageQueueService::_complete_op_node(AsyncOpNode *op, |
|
Uint32 state, |
|
Uint32 flag, |
|
Uint32 code) |
|
{ |
|
cimom::_complete_op_node(op, state, flag, code); |
} | } |
| |
void MessageQueueService::_make_response(AsyncRequest *req, Uint32 code) |
|
|
Boolean MessageQueueService::accept_async(AsyncOpNode *op) |
{ | { |
AsyncReply *reply = |
if (_incoming_queue_shutdown.value() > 0 ) |
new AsyncReply(async_messages::REPLY, |
return false; |
req->getKey(), |
|
req->getRouting(), |
// ATTN optimization remove the message checking altogether in the base |
0, |
// << Mon Feb 18 14:02:20 2002 mdd >> |
req->op, |
op->lock(); |
code, |
Message *rq = op->_request.next(0); |
req->resp, |
Message *rp = op->_response.next(0); |
false); |
op->unlock(); |
_completeAsyncResponse(req, reply, ASYNC_OPSTATE_COMPLETE, 0 ); |
|
|
if( (rq != 0 && (true == messageOK(rq))) || (rp != 0 && ( true == messageOK(rp) )) && |
|
_die.value() == 0 ) |
|
{ |
|
_incoming.insert_last_wait(op); |
|
_polling_sem.signal(); |
|
return true; |
|
} |
|
return false; |
} | } |
| |
|
Boolean MessageQueueService::messageOK(const Message *msg) |
|
{ |
|
if (_incoming_queue_shutdown.value() > 0 ) |
|
return false; |
|
return true; |
|
} |
| |
void MessageQueueService::handle_heartbeat_request(AsyncRequest *req) | void MessageQueueService::handle_heartbeat_request(AsyncRequest *req) |
{ | { |
|
|
| |
void MessageQueueService::handle_AsyncIoctl(AsyncIoctl *req) | void MessageQueueService::handle_AsyncIoctl(AsyncIoctl *req) |
{ | { |
|
|
|
switch( req->ctl ) |
|
{ |
|
case AsyncIoctl::IO_CLOSE: |
|
{ |
|
|
|
MessageQueueService *service = static_cast<MessageQueueService *>(req->op->_service_ptr); |
|
|
|
#ifdef MESSAGEQUEUESERVICE_DEBUG |
|
PEGASUS_STD(cout) << service->getQueueName() << " Received AsyncIoctl::IO_CLOSE " << PEGASUS_STD(endl); |
|
#endif |
|
|
|
// respond to this message. this is fire and forget, so we don't need to delete anything. |
|
// this takes care of two problems that were being found |
|
// << Thu Oct 9 10:52:48 2003 mdd >> |
_make_response(req, async_results::OK); | _make_response(req, async_results::OK); |
|
// ensure we do not accept any further messages |
|
|
|
// ensure we don't recurse on IO_CLOSE |
|
if( _incoming_queue_shutdown.value() > 0 ) |
|
break; |
|
|
|
// set the closing flag |
|
service->_incoming_queue_shutdown = 1; |
|
// empty out the queue |
|
while( 1 ) |
|
{ |
|
AsyncOpNode *operation; |
|
try |
|
{ |
|
operation = service->_incoming.remove_first(); |
} | } |
void MessageQueueService::handle_CimServiceStart(CimServiceStart *req) |
catch(IPCException & ) |
{ | { |
|
break; |
|
} |
|
if( operation ) |
|
{ |
|
operation->_service_ptr = service; |
|
service->_handle_incoming_operation(operation); |
|
} |
|
else |
|
break; |
|
} // message processing loop |
|
|
|
// shutdown the AsyncDQueue |
|
service->_incoming.shutdown_queue(); |
|
return; |
|
} |
|
|
|
default: |
_make_response(req, async_results::CIM_NAK); | _make_response(req, async_results::CIM_NAK); |
} | } |
|
} |
|
|
|
void MessageQueueService::handle_CimServiceStart(CimServiceStart *req) |
|
{ |
|
|
|
#ifdef MESSAGEQUEUESERVICE_DEBUG |
|
PEGASUS_STD(cout) << getQueueName() << "received START" << PEGASUS_STD(endl); |
|
#endif |
|
|
|
// clear the stoped bit and update |
|
_capabilities &= (~(module_capabilities::stopped)); |
|
_make_response(req, async_results::OK); |
|
// now tell the meta dispatcher we are stopped |
|
update_service(_capabilities, _mask); |
|
|
|
} |
void MessageQueueService::handle_CimServiceStop(CimServiceStop *req) | void MessageQueueService::handle_CimServiceStop(CimServiceStop *req) |
{ | { |
_make_response(req, async_results::CIM_NAK); |
#ifdef MESSAGEQUEUESERVICE_DEBUG |
|
PEGASUS_STD(cout) << getQueueName() << "received STOP" << PEGASUS_STD(endl); |
|
#endif |
|
// set the stopeed bit and update |
|
_capabilities |= module_capabilities::stopped; |
|
_make_response(req, async_results::CIM_STOPPED); |
|
// now tell the meta dispatcher we are stopped |
|
update_service(_capabilities, _mask); |
|
|
} | } |
void MessageQueueService::handle_CimServicePause(CimServicePause *req) | void MessageQueueService::handle_CimServicePause(CimServicePause *req) |
{ | { |
_make_response(req, async_results::CIM_NAK); |
// set the paused bit and update |
|
_capabilities |= module_capabilities::paused; |
|
update_service(_capabilities, _mask); |
|
_make_response(req, async_results::CIM_PAUSED); |
|
// now tell the meta dispatcher we are stopped |
} | } |
void MessageQueueService::handle_CimServiceResume(CimServiceResume *req) | void MessageQueueService::handle_CimServiceResume(CimServiceResume *req) |
{ | { |
_make_response(req, async_results::CIM_NAK); |
// clear the paused bit and update |
|
_capabilities &= (~(module_capabilities::paused)); |
|
update_service(_capabilities, _mask); |
|
_make_response(req, async_results::OK); |
|
// now tell the meta dispatcher we are stopped |
} | } |
| |
void MessageQueueService::handle_AsyncOperationStart(AsyncOperationStart *req) | void MessageQueueService::handle_AsyncOperationStart(AsyncOperationStart *req) |
{ | { |
_make_response(req, async_results::CIM_NAK); | _make_response(req, async_results::CIM_NAK); |
|
|
} | } |
| |
void MessageQueueService::handle_AsyncOperationResult(AsyncOperationResult *req) | void MessageQueueService::handle_AsyncOperationResult(AsyncOperationResult *req) |
|
|
; | ; |
} | } |
| |
|
|
|
void MessageQueueService::handle_AsyncLegacyOperationStart(AsyncLegacyOperationStart *req) |
|
{ |
|
// remove the legacy message from the request and enqueue it to its destination |
|
Uint32 result = async_results::CIM_NAK; |
|
|
|
Message *legacy = req->_act; |
|
if ( legacy != 0 ) |
|
{ |
|
MessageQueue* queue = MessageQueue::lookup(req->_legacy_destination); |
|
if( queue != 0 ) |
|
{ |
|
if(queue->isAsync() == true ) |
|
{ |
|
(static_cast<MessageQueueService *>(queue))->handleEnqueue(legacy); |
|
} |
|
else |
|
{ |
|
// Enqueue the response: |
|
queue->enqueue(req->get_action()); |
|
} |
|
|
|
result = async_results::OK; |
|
} |
|
} |
|
_make_response(req, result); |
|
} |
|
|
|
void MessageQueueService::handle_AsyncLegacyOperationResult(AsyncLegacyOperationResult *rep) |
|
{ |
|
; |
|
} |
|
|
AsyncOpNode *MessageQueueService::get_op(void) | AsyncOpNode *MessageQueueService::get_op(void) |
{ | { |
AsyncOpNode *op = new AsyncOpNode(); | AsyncOpNode *op = new AsyncOpNode(); |
| |
op->write_state(ASYNC_OPSTATE_UNKNOWN); |
op->_state = ASYNC_OPSTATE_UNKNOWN; |
op->write_flags(ASYNC_OPFLAGS_SINGLE | ASYNC_OPFLAGS_NORMAL ); |
op->_flags = ASYNC_OPFLAGS_SINGLE | ASYNC_OPFLAGS_NORMAL; |
| |
return op; | return op; |
} | } |
|
|
} | } |
| |
| |
|
Boolean MessageQueueService::ForwardOp(AsyncOpNode *op, |
|
Uint32 destination) |
|
{ |
|
PEGASUS_ASSERT(op != 0 ); |
|
op->lock(); |
|
op->_op_dest = MessageQueue::lookup(destination); |
|
op->_flags |= (ASYNC_OPFLAGS_FIRE_AND_FORGET | ASYNC_OPFLAGS_FORWARD); |
|
op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK); |
|
op->unlock(); |
|
if ( op->_op_dest == 0 ) |
|
return false; |
| |
AsyncReply *MessageQueueService::SendWait(AsyncRequest *request) |
return _meta_dispatcher->route_async(op); |
|
} |
|
|
|
|
|
Boolean MessageQueueService::SendAsync(AsyncOpNode *op, |
|
Uint32 destination, |
|
void (*callback)(AsyncOpNode *, |
|
MessageQueue *, |
|
void *), |
|
MessageQueue *callback_response_q, |
|
void *callback_ptr) |
{ | { |
if ( request == 0 ) |
PEGASUS_ASSERT(op != 0 && callback != 0 ); |
return 0 ; |
|
PEGASUS_ASSERT( request->op != 0 ); |
|
| |
request->block = true; |
// get the queue handle for the destination |
request->op->_state &= ~ASYNC_OPSTATE_COMPLETE; |
|
request->op->put_response(0); |
|
| |
// first link it on our pending list |
op->lock(); |
_pending.insert_last_wait(request->op); |
op->_op_dest = MessageQueue::lookup(destination); // destination of this message |
|
op->_flags |= ASYNC_OPFLAGS_CALLBACK; |
|
op->_flags &= ~(ASYNC_OPFLAGS_FIRE_AND_FORGET); |
|
op->_state &= ~ASYNC_OPSTATE_COMPLETE; |
|
// initialize the callback data |
|
op->_async_callback = callback; // callback function to be executed by recpt. of response |
|
op->_callback_node = op; // the op node |
|
op->_callback_response_q = callback_response_q; // the queue that will receive the response |
|
op->_callback_ptr = callback_ptr; // user data for callback |
|
op->_callback_request_q = this; // I am the originator of this request |
| |
// now see if the meta dispatcher will take it |
op->unlock(); |
|
if(op->_op_dest == 0) |
|
return false; |
|
|
|
return _meta_dispatcher->route_async(op); |
|
} |
| |
if (true == _meta_dispatcher->route_async(request->op)) |
|
|
Boolean MessageQueueService::SendAsync(Message *msg, |
|
Uint32 destination, |
|
void (*callback)(Message *response, |
|
void *handle, |
|
void *parameter), |
|
void *handle, |
|
void *parameter) |
{ | { |
request->op->_client_sem.wait(); |
if(msg == NULL) |
|
return false; |
|
if(callback == NULL) |
|
return SendForget(msg); |
|
AsyncOpNode *op = get_op(); |
|
msg->dest = destination; |
|
if( NULL == (op->_op_dest = MessageQueue::lookup(msg->dest))) |
|
{ |
|
op->release(); |
|
return_op(op); |
|
return false; |
|
} |
|
op->_flags |= ASYNC_OPFLAGS_SAFE_CALLBACK; |
|
op->_flags &= ~(ASYNC_OPFLAGS_FIRE_AND_FORGET); |
|
op->_state &= ~ASYNC_OPSTATE_COMPLETE; |
|
op->__async_callback = callback; |
|
op->_callback_node = op; |
|
op->_callback_handle = handle; |
|
op->_callback_parameter = parameter; |
|
op->_callback_response_q = this; |
|
|
|
|
|
if( ! (msg->getMask() & message_mask::ha_async) ) |
|
{ |
|
AsyncLegacyOperationStart *wrapper = |
|
new AsyncLegacyOperationStart(get_next_xid(), |
|
op, |
|
destination, |
|
msg, |
|
destination); |
|
} |
|
else |
|
{ |
|
op->_request.insert_first(msg); |
|
(static_cast<AsyncMessage *>(msg))->op = op; |
|
} |
|
|
|
_callback.insert_last(op); |
|
return _meta_dispatcher->route_async(op); |
|
} |
|
|
|
|
|
Boolean MessageQueueService::SendForget(Message *msg) |
|
{ |
|
|
|
|
|
AsyncOpNode *op = 0; |
|
Uint32 mask = msg->getMask(); |
|
|
|
if (mask & message_mask::ha_async) |
|
{ |
|
op = (static_cast<AsyncMessage *>(msg))->op ; |
|
} |
|
|
|
if( op == 0 ) |
|
{ |
|
op = get_op(); |
|
op->_request.insert_first(msg); |
|
if (mask & message_mask::ha_async) |
|
(static_cast<AsyncMessage *>(msg))->op = op; |
|
} |
|
op->_op_dest = MessageQueue::lookup(msg->dest); |
|
op->_flags |= ASYNC_OPFLAGS_FIRE_AND_FORGET; |
|
op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK | ASYNC_OPFLAGS_SAFE_CALLBACK |
|
| ASYNC_OPFLAGS_SIMPLE_STATUS); |
|
op->_state &= ~ASYNC_OPSTATE_COMPLETE; |
|
if ( op->_op_dest == 0 ) |
|
{ |
|
op->release(); |
|
return_op(op); |
|
return false; |
} | } |
| |
return static_cast<AsyncReply *>(request->op->get_response()); |
// now see if the meta dispatcher will take it |
|
return _meta_dispatcher->route_async(op); |
|
} |
|
|
|
|
|
AsyncReply *MessageQueueService::SendWait(AsyncRequest *request) |
|
{ |
|
if ( request == 0 ) |
|
return 0 ; |
| |
|
Boolean destroy_op = false; |
|
|
|
if (request->op == 0) |
|
{ |
|
request->op = get_op(); |
|
request->op->_request.insert_first(request); |
|
destroy_op = true; |
|
} |
|
|
|
request->block = false; |
|
request->op->_flags |= ASYNC_OPFLAGS_PSEUDO_CALLBACK; |
|
SendAsync(request->op, |
|
request->dest, |
|
_sendwait_callback, |
|
this, |
|
(void *)0); |
|
|
|
request->op->_client_sem.wait(); |
|
request->op->lock(); |
|
AsyncReply * rpl = static_cast<AsyncReply *>(request->op->_response.remove_first()); |
|
rpl->op = 0; |
|
request->op->unlock(); |
|
|
|
if( destroy_op == true) |
|
{ |
|
request->op->lock(); |
|
request->op->_request.remove(request); |
|
request->op->_state |= ASYNC_OPSTATE_RELEASED; |
|
request->op->unlock(); |
|
return_op(request->op); |
|
request->op = 0; |
|
} |
|
return rpl; |
} | } |
| |
| |
|
|
Uint32 mask) | Uint32 mask) |
| |
{ | { |
AsyncOpNode *op = _meta_dispatcher->get_cached_op(); |
|
|
|
op->_state |= ASYNC_OPSTATE_UNKNOWN; |
|
op->_flags |= ASYNC_OPFLAGS_SINGLE | ASYNC_OPFLAGS_NORMAL; |
|
|
|
RegisterCimService *msg = new RegisterCimService(get_next_xid(), | RegisterCimService *msg = new RegisterCimService(get_next_xid(), |
op, |
0, |
true, | true, |
name, | name, |
capabilities, | capabilities, |
mask, | mask, |
_queueId); | _queueId); |
|
msg->dest = CIMOM_Q_ID; |
|
|
Boolean registered = false; | Boolean registered = false; |
AsyncMessage *reply = SendWait( msg ); |
AsyncReply *reply = static_cast<AsyncReply *>(SendWait( msg )); |
| |
if ( reply != 0 ) | if ( reply != 0 ) |
{ | { |
|
|
{ | { |
if(reply->getMask() & message_mask::ha_reply) | if(reply->getMask() & message_mask::ha_reply) |
{ | { |
if((static_cast<AsyncReply *>(reply))->result == async_results::OK) |
if(reply->result == async_results::OK || |
|
reply->result == async_results::MODULE_ALREADY_REGISTERED ) |
registered = true; | registered = true; |
|
|
} | } |
} | } |
| |
delete reply; | delete reply; |
} | } |
|
delete msg; |
return registered; | return registered; |
} | } |
| |
Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask) | Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask) |
{ | { |
| |
AsyncOpNode *op = _meta_dispatcher->get_cached_op(); |
|
op->_state |= ASYNC_OPSTATE_UNKNOWN; |
|
op->_flags |= ASYNC_OPFLAGS_SINGLE | ASYNC_OPFLAGS_NORMAL; |
|
| |
UpdateCimService *msg = new UpdateCimService(get_next_xid(), | UpdateCimService *msg = new UpdateCimService(get_next_xid(), |
op, |
0, |
true, | true, |
_queueId, | _queueId, |
_capabilities, | _capabilities, |
_mask); | _mask); |
Boolean registered = false; | Boolean registered = false; |
| |
|
|
AsyncMessage *reply = SendWait(msg); | AsyncMessage *reply = SendWait(msg); |
if (reply) | if (reply) |
{ | { |
|
|
} | } |
delete reply; | delete reply; |
} | } |
|
delete msg; |
return registered; | return registered; |
} | } |
| |
|
|
Boolean MessageQueueService::deregister_service(void) | Boolean MessageQueueService::deregister_service(void) |
{ | { |
| |
// _meta_dispatcher->deregister_module(_queueId); |
_meta_dispatcher->deregister_module(_queueId); |
// return true; |
return true; |
|
|
|
|
AsyncOpNode *op = _meta_dispatcher->get_cached_op(); |
|
op->_state |= ASYNC_OPSTATE_UNKNOWN; |
|
op->_flags |= ASYNC_OPFLAGS_SINGLE | ASYNC_OPFLAGS_NORMAL; |
|
|
|
DeRegisterCimService *msg = new DeRegisterCimService(get_next_xid(), |
|
op, |
|
true, |
|
_queueId); |
|
Boolean deregistered = false; |
|
|
|
|
|
|
|
return _meta_dispatcher->accept_async(static_cast<Message *>(msg)); |
|
} | } |
| |
| |
|
|
if( results == 0 ) | if( results == 0 ) |
throw NullPointer(); | throw NullPointer(); |
| |
AsyncOpNode *op = get_op(); |
|
results->clear(); | results->clear(); |
| |
FindServiceQueue *req = | FindServiceQueue *req = |
new FindServiceQueue(get_next_xid(), | new FindServiceQueue(get_next_xid(), |
op, |
0, |
_queueId, | _queueId, |
true, | true, |
name, | name, |
capabilities, | capabilities, |
mask); | mask); |
| |
|
req->dest = CIMOM_Q_ID; |
|
|
AsyncMessage *reply = SendWait(req); | AsyncMessage *reply = SendWait(req); |
if(reply) | if(reply) |
{ | { |
|
|
} | } |
delete reply; | delete reply; |
} | } |
|
delete req; |
return ; | return ; |
} | } |
| |
|
|
if(result == 0) | if(result == 0) |
throw NullPointer(); | throw NullPointer(); |
| |
AsyncOpNode *op = get_op(); |
|
|
|
EnumerateService *req | EnumerateService *req |
= new EnumerateService(get_next_xid(), | = new EnumerateService(get_next_xid(), |
op, |
0, |
_queueId, | _queueId, |
true, | true, |
queue); | queue); |
|
|
} | } |
delete reply; | delete reply; |
} | } |
|
delete req; |
|
|
return; | return; |
} | } |
| |
Uint32 MessageQueueService::get_next_xid(void) | Uint32 MessageQueueService::get_next_xid(void) |
{ | { |
|
static Mutex _monitor; |
|
Uint32 value; |
|
AutoMutex autoMut(_monitor); |
_xid++; | _xid++; |
return _xid.value(); |
value = _xid.value(); |
|
return value; |
|
|
} | } |
| |
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |