version 1.3, 2002/01/19 01:53:22
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version 1.13, 2002/02/06 15:15:35
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#include "MessageQueueService.h" | #include "MessageQueueService.h" |
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PEGASUS_USING_STD; |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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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, true, queueID), |
: Base(name, false, queueID), |
_capabilities(capabilities), | _capabilities(capabilities), |
_mask(mask), | _mask(mask), |
_die(0) |
_die(0), |
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_pending(true), |
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_incoming(true, 1000), |
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_incoming_queue_shutdown(0), |
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_req_thread(_req_proc, this, false) |
{ | { |
_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)); | _meta_dispatcher = static_cast<cimom *>(Base::lookup(CIMOM_Q_ID)); |
if(_meta_dispatcher == 0 ) | if(_meta_dispatcher == 0 ) |
throw NullPointer(); | throw NullPointer(); |
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_req_thread.run(); |
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} | } |
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MessageQueueService::~MessageQueueService(void) | MessageQueueService::~MessageQueueService(void) |
{ | { |
_die = 1; | _die = 1; |
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if (_incoming_queue_shutdown.value() == 0 ) |
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_incoming.shutdown_queue(); |
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} |
_req_thread.join(); |
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} |
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AtomicInt MessageQueueService::_xid(1); | AtomicInt MessageQueueService::_xid(1); |
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// mutex is UNLOCKED |
void MessageQueueService::_shutdown_incoming_queue(void) |
void MessageQueueService::handleEnqueue(void) |
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{ | { |
Message *msg = dequeue(); |
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if( msg ) |
if (_incoming_queue_shutdown.value() > 0 ) |
{ |
return ; |
if(msg->getMask() & message_mask::ha_async) |
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{ |
AsyncIoctl *msg = new AsyncIoctl(get_next_xid(), |
_handle_async_msg(static_cast<AsyncMessage *>(msg)); |
0, |
} |
_queueId, |
else |
_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->_request.insert_first(msg); |
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_incoming.insert_last_wait(msg->op); |
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msg->op->_client_sem.wait(); |
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msg->op->lock(); |
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AsyncReply * reply = static_cast<AsyncReply *>(msg->op->_response.remove_first()); |
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reply->op = 0; |
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msg->op->unlock(); |
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delete reply; |
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msg->op->_request.remove(msg); |
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msg->op->_state |= ASYNC_OPSTATE_RELEASED; |
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return_op(msg->op); |
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msg->op = 0; |
delete msg; | delete msg; |
} | } |
} |
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void MessageQueueService::_enqueueAsyncResponse(AsyncRequest *request, |
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(void * parm) |
AsyncReply *reply, |
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Uint32 state, |
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Uint32 flag) |
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{ | { |
PEGASUS_ASSERT(request != 0 && reply != 0 ); |
Thread *myself = reinterpret_cast<Thread *>(parm); |
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MessageQueueService *service = reinterpret_cast<MessageQueueService *>(myself->get_parm()); |
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AsyncOpNode *op = request->op; |
// pull messages off the incoming queue and dispatch them. then |
op->lock(); |
// check pending messages that are non-blocking |
// if (false == op->_response.exists(reply)) |
AsyncOpNode *operation = 0; |
// op->_response.insert_last(reply); |
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op->_response = reply; |
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op->_state |= state ; |
while ( service->_die.value() == 0 ) |
op->_flags |= flag; |
{ |
gettimeofday(&(op->_updated), NULL); |
try |
op->unlock(); |
{ |
op->_client_sem.signal(); |
operation = service->_incoming.remove_first_wait(); |
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} |
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catch(ListClosed & ) |
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{ |
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break; |
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} |
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if( operation ) |
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{ |
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service->_handle_incoming_operation(operation, myself, service); |
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} |
} | } |
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// may be overriden by derived classes |
myself->exit_self( (PEGASUS_THREAD_RETURN) 1 ); |
void MessageQueueService::_handle_async_msg(AsyncMessage *msg) |
return(0); |
{ |
} |
if( msg == 0 ) |
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return; |
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Uint32 mask = msg->getMask(); |
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Uint32 type = msg->getType(); |
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if (mask & message_mask::ha_async) |
void MessageQueueService::_handle_incoming_operation(AsyncOpNode *operation, |
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Thread *thread, |
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MessageQueue *queue) |
{ | { |
if (mask & message_mask::ha_request) |
if ( operation != 0 ) |
_handle_async_request(static_cast<AsyncRequest *>(msg)); |
{ |
else |
operation->lock(); |
_handle_async_reply(static_cast<AsyncReply *>(msg)); |
Message *rq = operation->_request.next(0); |
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operation->unlock(); |
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PEGASUS_ASSERT(rq != 0 ); |
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PEGASUS_ASSERT(rq->getMask() & message_mask::ha_async ); |
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PEGASUS_ASSERT(rq->getMask() & message_mask::ha_request); |
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static_cast<AsyncMessage *>(rq)->_myself = thread; |
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static_cast<AsyncMessage *>(rq)->_service = queue; |
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_handle_async_request(static_cast<AsyncRequest *>(rq)); |
} | } |
else |
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delete msg; |
return; |
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} | } |
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void MessageQueueService::_handle_async_request(AsyncRequest *req) | void MessageQueueService::_handle_async_request(AsyncRequest *req) |
{ | { |
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if ( req != 0 ) |
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{ |
req->op->processing(); | req->op->processing(); |
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Uint32 type = req->getType(); | Uint32 type = req->getType(); |
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else if (type == async_messages::CIMSERVICE_STOP) | else if (type == async_messages::CIMSERVICE_STOP) |
handle_CimServiceStop(static_cast<CimServiceStop *>(req)); | handle_CimServiceStop(static_cast<CimServiceStop *>(req)); |
else if (type == async_messages::CIMSERVICE_PAUSE) | else if (type == async_messages::CIMSERVICE_PAUSE) |
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{ |
handle_CimServicePause(static_cast<CimServicePause *>(req)); | handle_CimServicePause(static_cast<CimServicePause *>(req)); |
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} |
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else if (type == async_messages::CIMSERVICE_RESUME) | else if (type == async_messages::CIMSERVICE_RESUME) |
handle_CimServiceResume(static_cast<CimServiceResume *>(req)); | handle_CimServiceResume(static_cast<CimServiceResume *>(req)); |
else if ( type == async_messages::ASYNC_OP_START) | else if ( type == async_messages::ASYNC_OP_START) |
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// we don't handle this request message | // we don't handle this request message |
_make_response(req, async_results::CIM_NAK ); | _make_response(req, async_results::CIM_NAK ); |
} | } |
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} | } |
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void MessageQueueService::_handle_async_reply(AsyncReply *rep) |
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{ |
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if (rep->op != 0 ) |
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rep->op->processing(); |
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Uint32 type = rep->getType(); |
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if ( type == async_messages::ASYNC_OP_RESULT ) |
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handle_AsyncOperationResult(static_cast<AsyncOperationResult *>(rep)); |
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else |
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{ |
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// we don't handle this reply |
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; |
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} |
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if( rep->op != 0 ) |
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rep->op->release(); |
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} | } |
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void MessageQueueService::_make_response(AsyncRequest *req, Uint32 code) | void MessageQueueService::_make_response(AsyncRequest *req, Uint32 code) |
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code, | code, |
req->resp, | req->resp, |
false); | false); |
_enqueueAsyncResponse(req, reply, ASYNC_OPSTATE_COMPLETE, 0 ); |
_completeAsyncResponse(req, reply, ASYNC_OPSTATE_COMPLETE, 0 ); |
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} |
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void MessageQueueService::_completeAsyncResponse(AsyncRequest *request, |
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AsyncReply *reply, |
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Uint32 state, |
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Uint32 flag) |
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{ |
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PEGASUS_ASSERT(request != 0 && reply != 0 ); |
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AsyncOpNode *op = request->op; |
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op->lock(); |
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op->_state |= state ; |
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op->_flags |= flag; |
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gettimeofday(&(op->_updated), NULL); |
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if ( false == op->_response.exists(reinterpret_cast<void *>(reply)) ) |
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op->_response.insert_last(reply); |
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op->unlock(); |
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op->_client_sem.signal(); |
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} |
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Boolean MessageQueueService::accept_async(AsyncOpNode *op) |
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{ |
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if (_incoming_queue_shutdown.value() > 0 ) |
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return false; |
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op->lock(); |
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Message *rq = op->_request.next(0); |
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op->unlock(); |
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if( true == messageOK(rq) && _die.value() == 0 ) |
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{ |
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_incoming.insert_last_wait(op); |
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return true; |
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} |
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return false; |
} | } |
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Boolean MessageQueueService::messageOK(const Message *msg) |
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{ |
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if (_incoming_queue_shutdown.value() > 0 ) |
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return false; |
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if ( msg != 0 ) |
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{ |
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Uint32 mask = msg->getMask(); |
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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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} |
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return false; |
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} |
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void MessageQueueService::handleEnqueue(void) |
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{ |
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Message *msg = dequeue(); |
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if( msg ) |
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{ |
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delete msg; |
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} |
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} |
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void MessageQueueService::handle_heartbeat_request(AsyncRequest *req) | void MessageQueueService::handle_heartbeat_request(AsyncRequest *req) |
{ | { |
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async_results::OK, | async_results::OK, |
req->resp, | req->resp, |
false); | false); |
_enqueueAsyncResponse(req, reply, ASYNC_OPSTATE_COMPLETE, 0 ); |
_completeAsyncResponse(req, reply, ASYNC_OPSTATE_COMPLETE, 0 ); |
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} | } |
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void MessageQueueService::handle_AsyncIoctl(AsyncIoctl *req) | void MessageQueueService::handle_AsyncIoctl(AsyncIoctl *req) |
{ | { |
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switch( req->ctl ) |
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{ |
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case AsyncIoctl::IO_CLOSE: |
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{ |
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// save my bearings |
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Thread *myself = req->_myself; |
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MessageQueueService *service = static_cast<MessageQueueService *>(req->_service); |
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// respond to this message. |
_make_response(req, async_results::OK); | _make_response(req, async_results::OK); |
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// ensure we do not accept any further messages |
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// ensure we don't recurse on IO_CLOSE |
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if( _incoming_queue_shutdown.value() > 0 ) |
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break; |
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// set the closing flag |
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service->_incoming_queue_shutdown = 1; |
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// empty out the queue |
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while( 1 ) |
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{ |
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AsyncOpNode *operation; |
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try |
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{ |
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operation = service->_incoming.remove_first(); |
} | } |
void MessageQueueService::handle_CimServiceStart(CimServiceStart *req) |
catch(IPCException & ) |
{ | { |
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break; |
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} |
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if( operation ) |
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{ |
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service->_handle_incoming_operation(operation, myself, service); |
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} |
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else |
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break; |
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} // message processing loop |
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// shutdown the AsyncDQueue |
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service->_incoming.shutdown_queue(); |
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// exit the thread ! |
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myself->exit_self( (PEGASUS_THREAD_RETURN) 1 ); |
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return; |
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} |
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default: |
_make_response(req, async_results::CIM_NAK); | _make_response(req, async_results::CIM_NAK); |
} | } |
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} |
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void MessageQueueService::handle_CimServiceStart(CimServiceStart *req) |
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{ |
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// clear the stoped bit and update |
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_capabilities &= (~(module_capabilities::stopped)); |
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_make_response(req, async_results::OK); |
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// now tell the meta dispatcher we are stopped |
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update_service(_capabilities, _mask); |
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} |
void MessageQueueService::handle_CimServiceStop(CimServiceStop *req) | void MessageQueueService::handle_CimServiceStop(CimServiceStop *req) |
{ | { |
_make_response(req, async_results::CIM_NAK); |
// set the stopeed bit and update |
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_capabilities |= module_capabilities::stopped; |
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_make_response(req, async_results::CIM_STOPPED); |
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// now tell the meta dispatcher we are stopped |
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update_service(_capabilities, _mask); |
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} | } |
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 |
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_capabilities |= module_capabilities::paused; |
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update_service(_capabilities, _mask); |
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_make_response(req, async_results::CIM_PAUSED); |
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// 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 |
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_capabilities &= (~(module_capabilities::paused)); |
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update_service(_capabilities, _mask); |
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_make_response(req, async_results::OK); |
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// now tell the meta dispatcher we are stopped |
} | } |
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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); |
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} | } |
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void MessageQueueService::handle_AsyncOperationResult(AsyncOperationResult *req) | void MessageQueueService::handle_AsyncOperationResult(AsyncOperationResult *req) |
{ | { |
; |
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} | } |
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AsyncOpNode *MessageQueueService::get_op(void) | AsyncOpNode *MessageQueueService::get_op(void) |
{ | { |
AsyncOpNode *op = _meta_dispatcher->get_cached_op(); |
AsyncOpNode *op = new AsyncOpNode(); |
if(op == 0 ) |
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throw NullPointer(); |
op->_state = ASYNC_OPSTATE_UNKNOWN; |
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op->_flags = ASYNC_OPFLAGS_SINGLE | ASYNC_OPFLAGS_NORMAL; |
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op->write_state(ASYNC_OPSTATE_UNKNOWN); |
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op->write_flags(ASYNC_OPFLAGS_SINGLE | |
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ASYNC_OPFLAGS_NORMAL | |
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ASYNC_OPFLAGS_META_DISPATCHER); |
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return op; | return op; |
} | } |
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void MessageQueueService::return_op(AsyncOpNode *op) | void MessageQueueService::return_op(AsyncOpNode *op) |
{ | { |
PEGASUS_ASSERT(op->read_state() & ASYNC_OPSTATE_RELEASED ); | PEGASUS_ASSERT(op->read_state() & ASYNC_OPSTATE_RELEASED ); |
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if(op->read_state() & ASYNC_OPFLAGS_META_DISPATCHER ) |
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{ |
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_meta_dispatcher->cache_op(op); |
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} |
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else |
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delete op; | delete op; |
} | } |
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AsyncMessage *MessageQueueService::SendWait(AsyncRequest *request) |
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{ |
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if (request == 0 ) |
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throw NullPointer(); |
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AsyncMessage *ret_msg = 0; |
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AsyncOpNode *op = request->op; |
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if(op == 0 ) |
AsyncReply *MessageQueueService::SendWait(AsyncRequest *request) |
return 0; |
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// ATTN: debugging |
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op->put_response(0); |
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if(true == _meta_dispatcher->accept_async(static_cast<Message *>(request))) |
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{ | { |
op->_client_sem.wait(); |
if ( request == 0 ) |
ret_msg = static_cast<AsyncMessage *>(op->_response); |
return 0 ; |
op->_response = 0; |
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// op->lock(); |
Boolean destroy_op = false; |
// while( op->_response.count() ) |
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// { |
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// AsyncMessage *rply = static_cast<AsyncMessage *>(op->_response.remove_last()); |
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// if (rply != 0 ) |
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// { |
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// rply->op = 0; |
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// reply_list->insert_first( static_cast<AsyncMessage *>(op->_response) ); |
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// } |
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// } |
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// release the opnode, the meta-dispatcher will recycle it for us |
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// op->_state |= ASYNC_OPSTATE_RELEASED ; |
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// op->unlock(); |
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} |
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return ret_msg; |
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if (request->op == false) |
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{ |
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request->op = get_op(); |
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request->op->_request.insert_first(request); |
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destroy_op = true; |
} | } |
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request->block = true; |
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request->op->_state &= ~ASYNC_OPSTATE_COMPLETE; |
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request->op->put_response(0); |
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void MessageQueueService::SendWait(AsyncRequest *request, unlocked_dq<AsyncMessage> *reply_list) |
// first link it on our pending list |
{ |
// _pending.insert_last_wait(request->op); |
if (request == 0 || reply_list == 0 ) |
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throw NullPointer(); |
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AsyncOpNode *op = request->op; |
// now see if the meta dispatcher will take it |
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if(op == 0 ) |
if (true == _meta_dispatcher->route_async(request->op)) |
return; |
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// ATTN: debugging |
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op->put_response(0); |
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if(true == _meta_dispatcher->accept_async(static_cast<Message *>(request))) |
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{ | { |
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request->op->_client_sem.wait(); |
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PEGASUS_ASSERT(request->op->_state & ASYNC_OPSTATE_COMPLETE); |
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} |
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op->_client_sem.wait(); |
request->op->lock(); |
op->lock(); |
AsyncReply * rpl = static_cast<AsyncReply *>(request->op->_response.remove_first()); |
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rpl->op = 0; |
AsyncMessage *response = static_cast<AsyncMessage *>(op->_response); |
request->op->unlock(); |
reply_list->insert_first(response); |
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op->unlock(); |
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op->release(); |
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// op->lock(); |
if( destroy_op == true) |
// while( op->_response.count() ) |
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// { |
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// AsyncMessage *rply = static_cast<AsyncMessage *>(op->_response.remove_last()); |
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// if (rply != 0 ) |
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// { |
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// rply->op = 0; |
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// reply_list->insert_first( static_cast<AsyncMessage *>(op->_response) ); |
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// } |
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// } |
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// release the opnode, the meta-dispatcher will recycle it for us |
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// op->_state |= ASYNC_OPSTATE_RELEASED ; |
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// op->unlock(); |
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} |
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else |
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{ | { |
// manually free the opnode and message |
request->op->lock(); |
op->release(); |
request->op->_request.remove(request); |
return_op(op); |
request->op->_state |= ASYNC_OPSTATE_RELEASED; |
} |
request->op->unlock(); |
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return_op(request->op); |
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request->op = 0; |
} | } |
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// Boolean MessageQueueService::SendAsync(AsyncMessage *msg) |
return rpl; |
// { |
} |
// return _meta_dispatcher->accept_async(static_cast<Message *>(msg)); |
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// } |
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Boolean MessageQueueService::register_service(String name, | Boolean MessageQueueService::register_service(String name, |
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Uint32 mask) | Uint32 mask) |
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{ | { |
AsyncOpNode *op = _meta_dispatcher->get_cached_op(); |
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op->_state |= ASYNC_OPSTATE_UNKNOWN; |
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op->_flags |= ASYNC_OPFLAGS_SINGLE | ASYNC_OPFLAGS_NORMAL; |
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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); |
Boolean registered = false; | Boolean registered = false; |
AsyncMessage *reply = SendWait( msg ); |
AsyncReply *reply = static_cast<AsyncReply *>(SendWait( msg )); |
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if ( reply != 0 ) | if ( reply != 0 ) |
{ | { |
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{ | { |
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) |
registered = true; | registered = true; |
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} | } |
} | } |
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delete reply; | delete reply; |
} | } |
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delete msg; |
return registered; | return registered; |
} | } |
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Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask) | Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask) |
{ | { |
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AsyncOpNode *op = _meta_dispatcher->get_cached_op(); |
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op->_state |= ASYNC_OPSTATE_UNKNOWN; |
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op->_flags |= ASYNC_OPFLAGS_SINGLE | ASYNC_OPFLAGS_NORMAL; |
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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; |
| |
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AsyncMessage *reply = SendWait(msg); | AsyncMessage *reply = SendWait(msg); |
if (reply) | if (reply) |
{ | { |
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} | } |
delete reply; | delete reply; |
} | } |
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delete msg; |
return registered; | return registered; |
} | } |
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Boolean MessageQueueService::deregister_service(void) | Boolean MessageQueueService::deregister_service(void) |
{ | { |
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// _meta_dispatcher->deregister_module(_queueId); |
_meta_dispatcher->deregister_module(_queueId); |
// return true; |
return true; |
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AsyncOpNode *op = _meta_dispatcher->get_cached_op(); |
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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, |
|
|
} | } |
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; |
} | } |
| |