pegasus/src/Pegasus/Common/MessageQueueService.cpp - diff

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Diff for /pegasus/src/Pegasus/Common/MessageQueueService.cpp between version 1.8 and 1.88

version 1.8, 2002/02/04 02:52:06

version 1.88, 2004/10/17 20:39:17

Line 1

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

//%2004////////////////////////////////////////////////////////////////////////

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

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

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

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

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

Line 23

Line 28

// Author: Mike Day (mdday@us.ibm.com)

// Modified By:

// Amit K Arora, IBM (amita@in.ibm.com) for Bug#1090

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

#include "MessageQueueService.h"

#include <Pegasus/Common/Tracer.h>

#include <Pegasus/Common/MessageLoader.h> //l10n

PEGASUS_NAMESPACE_BEGIN

cimom *MessageQueueService::_meta_dispatcher = 0;

AtomicInt MessageQueueService::_service_count = 0;

AtomicInt MessageQueueService::_xid(1);

Mutex MessageQueueService::_meta_dispatcher_mutex;

static struct timeval create_time = {0, 1};

static struct timeval destroy_time = {300, 0};

static struct timeval deadlock_time = {0, 0};

ThreadPool *MessageQueueService::_thread_pool = 0;

DQueue<MessageQueueService> MessageQueueService::_polling_list(true);

Thread* MessageQueueService::_polling_thread = 0;

ThreadPool *MessageQueueService::get_thread_pool(void)

{

return _thread_pool;

}

PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::kill_idle_threads(void *parm)

{

static struct timeval now, last = {0,0};

gettimeofday(&now, NULL);

int dead_threads = 0;

if( now.tv_sec - last.tv_sec > 120 )

{

gettimeofday(&last, NULL);

try

{

dead_threads = MessageQueueService::_thread_pool->kill_dead_threads();

}

catch(...)

{

}

return (PEGASUS_THREAD_RETURN)dead_threads;

}

void MessageQueueService::force_shutdown(Boolean destroy_flag)

{

return;

#ifdef MESSAGEQUEUESERVICE_DEBUG

//l10n

MessageLoaderParms parms("Common.MessageQueueService.FORCING_SHUTDOWN",

"Forcing shutdown of CIMOM Message Router");

PEGASUS_STD(cout) << MessageLoader::getMessage(parms) << PEGASUS_STD(endl);

#endif

MessageQueueService *svc;

int counter = 0;

_polling_list.lock();

svc = _polling_list.next(0);

while(svc != 0)

{

#ifdef MESSAGEQUEUESERVICE_DEBUG

//l10n - reuse same MessageLoaderParms to avoid multiple creates

parms.msg_id = "Common.MessageQueueService.STOPPING_SERVICE";

parms.default_msg = "Stopping $0";

parms.arg0 = svc->getQueueName();

PEGASUS_STD(cout) << MessageLoader::getMessage(parms) << PEGASUS_STD(endl);

#endif

_polling_sem.signal();

svc->_shutdown_incoming_queue();

counter++;

_polling_sem.signal();

svc = _polling_list.next(svc);

}

_polling_list.unlock();

_polling_sem.signal();

MessageQueueService::_stop_polling = 1;

if(destroy_flag == true)

{

svc = _polling_list.remove_last();

while(svc)

{

delete svc;

svc = _polling_list.remove_last();

}

PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::polling_routine(void *parm)

{

Thread *myself = reinterpret_cast<Thread *>(parm);

DQueue<MessageQueueService> *list = reinterpret_cast<DQueue<MessageQueueService> *>(myself->get_parm());

while ( _stop_polling.value() == 0 )

{

_polling_sem.wait();

if(_stop_polling.value() != 0 )

{

break;

}

list->lock();

MessageQueueService *service = list->next(0);

while(service != NULL)

{

if(service->_incoming.count() > 0 )

{

_thread_pool->allocate_and_awaken(service, _req_proc);

}

service = list->next(service);

}

list->unlock();

if(_check_idle_flag.value() != 0 )

{

_check_idle_flag = 0;

// If there are insufficent resources to run

// kill_idle_threads, then just return.

_thread_pool->allocate_and_awaken(service, kill_idle_threads);

}

myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );

return(0);

}

Semaphore MessageQueueService::_polling_sem(0);

AtomicInt MessageQueueService::_stop_polling(0);

AtomicInt MessageQueueService::_check_idle_flag(0);

MessageQueueService::MessageQueueService(const char *name,

Uint32 queueID,

Uint32 capabilities,

Uint32 mask)

: Base(name, false, queueID),

: Base(name, true, queueID),

_capabilities(capabilities),

_mask(mask),

_die(0),

_pending(true),

_incoming(true, 0),

_incoming(true, 1000),

_callback(true),

_incoming_queue_shutdown(0),

_req_thread(_req_proc, this, false)

_callback_ready(0),

_req_thread(_req_proc, this, false),

_callback_thread(_callback_proc, this, false)

{

_capabilities = (capabilities | module_capabilities::async);

_default_op_timeout.tv_sec = 30;

_default_op_timeout.tv_usec = 100;

_meta_dispatcher = static_cast<cimom *>(Base::lookup(CIMOM_Q_ID));

AutoMutex autoMut(_meta_dispatcher_mutex);

if(_meta_dispatcher == 0 )

{

PEGASUS_ASSERT( _service_count.value() == 0 );

_meta_dispatcher = new cimom();

if (_meta_dispatcher == NULL )

{

throw NullPointer();

_req_thread.run();

}

_thread_pool = new ThreadPool(0, "MessageQueueService", 0, 0,

create_time, destroy_time, deadlock_time);

_polling_thread = new Thread(polling_routine,

reinterpret_cast<void *>(&_polling_list),

false);

while (!_polling_thread->run())

{

pegasus_yield();

}

_service_count++;

if( false == register_service(name, _capabilities, _mask) )

{

//l10n

//throw BindFailedException("MessageQueueService Base Unable to register with Meta Dispatcher");

MessageLoaderParms parms("Common.MessageQueueService.UNABLE_TO_REGISTER",

"MessageQueueService Base Unable to register with Meta Dispatcher");

throw BindFailedException(parms);

}

_polling_list.insert_last(this);

// _meta_dispatcher_mutex.unlock(); //Bug#1090

// _callback_thread.run();

// _req_thread.run();

}

MessageQueueService::~MessageQueueService(void)

{

_die = 1;

if (_incoming_queue_shutdown.value() == 0 )

_incoming.shutdown_queue();

{

_shutdown_incoming_queue();

}

_callback_ready.signal();

_req_thread.join();

{

AutoMutex autoMut(_meta_dispatcher_mutex);

_service_count--;

if (_service_count.value() == 0 )

{

}

_stop_polling++;

_polling_sem.signal();

_polling_thread->join();

delete _polling_thread;

_polling_thread = 0;

_meta_dispatcher->_shutdown_routed_queue();

delete _meta_dispatcher;

_meta_dispatcher = 0;

AtomicInt MessageQueueService::_xid(1);

delete _thread_pool;

_thread_pool = 0;

}

} // mutex unlocks here

_polling_list.remove(this);

// Clean up in case there are extra stuff on the queue.

while (_incoming.count())

{

delete _incoming.remove_first();

}

void MessageQueueService::_shutdown_incoming_queue(void)

{

if (_incoming_queue_shutdown.value() > 0 )

return ;

AsyncIoctl *msg = new AsyncIoctl(get_next_xid(),

_queueId,

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AsyncIoctl::IO_CLOSE,

0);

msg->op = get_op();

msg->op->_request.insert_first(msg);

msg->op->_flags |= ASYNC_OPFLAGS_FIRE_AND_FORGET;

Boolean closed = false;

msg->op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK | ASYNC_OPFLAGS_SAFE_CALLBACK

| ASYNC_OPFLAGS_SIMPLE_STATUS);

msg->op->_state &= ~ASYNC_OPSTATE_COMPLETE;

if (_incoming_queue_shutdown.value() > 0 )

msg->op->_op_dest = this;

return ;

msg->op->_request.insert_first(msg);

_incoming.insert_last_wait(msg->op);

msg->op->_client_sem.wait();

msg->op->lock();

}

AsyncReply * reply = static_cast<AsyncReply *>(msg->op->_response.remove_first());

reply->op = 0;

msg->op->unlock();

if ( reply != 0 )

void MessageQueueService::enqueue(Message *msg)

{

if(reply->getMask() & message_mask:: ha_async)

PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE, "MessageQueueService::enqueue()");

Base::enqueue(msg);

PEG_METHOD_EXIT();

}

PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_callback_proc(void *parm)

{

if(reply->getMask() & message_mask::ha_reply)

Thread *myself = reinterpret_cast<Thread *>(parm);

MessageQueueService *service = reinterpret_cast<MessageQueueService *>(myself->get_parm());

AsyncOpNode *operation = 0;

while ( service->_die.value() == 0 )

{

if(reply->result == async_results::OK)

service->_callback_ready.wait();

closed = true;

service->_callback.lock();

operation = service->_callback.next(0);

while( operation != NULL)

{

if( ASYNC_OPSTATE_COMPLETE & operation->read_state())

{

operation = service->_callback.remove_no_lock(operation);

PEGASUS_ASSERT(operation != NULL);

operation->_thread_ptr = myself;

operation->_service_ptr = service;

service->_handle_async_callback(operation);

break;

}

operation = service->_callback.next(operation);

}

delete reply;

service->_callback.unlock();

}

myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );

msg->op->_request.remove(msg);

return(0);

msg->op->_state |= ASYNC_OPSTATE_RELEASED;

return_op(msg->op);

msg->op = 0;

delete msg;

}

PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(void * parm)

{

Thread *myself = reinterpret_cast<Thread *>(parm);

MessageQueueService *service = reinterpret_cast<MessageQueueService *>(parm);

MessageQueueService *service = reinterpret_cast<MessageQueueService *>(myself->get_parm());

// pull messages off the incoming queue and dispatch them. then

// check pending messages that are non-blocking

AsyncOpNode *operation = 0;

while ( service->_die.value() == 0 )

if ( service->_die.value() == 0 )

{

try

{

operation = service->_incoming.remove_first_wait();

operation = service->_incoming.remove_first();

}

catch(ListClosed & )

{

break;

operation = 0;

return(0);

}

if( operation )

{

operation->_service_ptr = service;

service->_handle_incoming_operation(operation);

}

service->_handle_incoming_operation(operation, myself, service);

return(0);

}

Uint32 MessageQueueService::get_pending_callback_count(void)

{

return _callback.count();

}

myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );

return(0);

void MessageQueueService::_sendwait_callback(AsyncOpNode *op,

MessageQueue *q,

void *parm)

{

op->_client_sem.signal();

}

// callback function is responsible for cleaning up all resources

// including op, op->_callback_node, and op->_callback_ptr

void MessageQueueService::_handle_async_callback(AsyncOpNode *op)

{

if( op->_flags & ASYNC_OPFLAGS_SAFE_CALLBACK )

{

Message *msg = op->get_request();

if( msg && ( msg->getMask() & message_mask::ha_async))

{

if(msg->getType() == async_messages::ASYNC_LEGACY_OP_START )

{

AsyncLegacyOperationStart *wrapper =

static_cast<AsyncLegacyOperationStart *>(msg);

msg = wrapper->get_action();

delete wrapper;

}

else if (msg->getType() == async_messages::ASYNC_MODULE_OP_START)

{

AsyncModuleOperationStart *wrapper =

static_cast<AsyncModuleOperationStart *>(msg);

msg = wrapper->get_action();

delete wrapper;

}

else if (msg->getType() == async_messages::ASYNC_OP_START)

{

AsyncOperationStart *wrapper =

static_cast<AsyncOperationStart *>(msg);

msg = wrapper->get_action();

delete wrapper;

}

delete msg;

}

msg = op->get_response();

if( msg && ( msg->getMask() & message_mask::ha_async))

{

if(msg->getType() == async_messages::ASYNC_LEGACY_OP_RESULT )

{

AsyncLegacyOperationResult *wrapper =

static_cast<AsyncLegacyOperationResult *>(msg);

msg = wrapper->get_result();

delete wrapper;

}

else if (msg->getType() == async_messages::ASYNC_MODULE_OP_RESULT)

{

AsyncModuleOperationResult *wrapper =

static_cast<AsyncModuleOperationResult *>(msg);

msg = wrapper->get_result();

delete wrapper;

}

void (*callback)(Message *, void *, void *) = op->__async_callback;

void *handle = op->_callback_handle;

void *parm = op->_callback_parameter;

op->release();

return_op(op);

callback(msg, handle, parm);

}

else if( op->_flags & ASYNC_OPFLAGS_CALLBACK )

{

// note that _callback_node may be different from op

// op->_callback_response_q is a "this" pointer we can use for

// static callback methods

op->_async_callback(op->_callback_node, op->_callback_response_q, op->_callback_ptr);

}

void MessageQueueService::_handle_incoming_operation(AsyncOpNode *operation,

void MessageQueueService::_handle_incoming_operation(AsyncOpNode *operation)

Thread *thread,

// Thread *thread,

MessageQueue *queue)

// MessageQueue *queue)

{

if ( operation != 0 )

{

// ATTN: optimization

// << Tue Feb 19 14:10:38 2002 mdd >>

operation->lock();

Message *rq = operation->_request.next(0);

// optimization <<< Thu Mar 7 21:04:05 2002 mdd >>>

// move this to the bottom of the loop when the majority of

// messages become async messages.

// divert legacy messages to handleEnqueue

if ((rq != 0) && (!(rq->getMask() & message_mask::ha_async)))

{

rq = operation->_request.remove_first() ;

operation->unlock();

// delete the op node

operation->release();

return_op( operation);

handleEnqueue(rq);

return;

}

if ( (operation->_flags & ASYNC_OPFLAGS_CALLBACK ||

operation->_flags & ASYNC_OPFLAGS_SAFE_CALLBACK) &&

(operation->_state & ASYNC_OPSTATE_COMPLETE))

{

operation->unlock();

_handle_async_callback(operation);

}

else

{

PEGASUS_ASSERT(rq != 0 );

PEGASUS_ASSERT(rq->getMask() & message_mask::ha_async );

operation->unlock();

PEGASUS_ASSERT(rq->getMask() & message_mask::ha_request);

static_cast<AsyncMessage *>(rq)->_myself = thread;

static_cast<AsyncMessage *>(rq)->_service = queue;

_handle_async_request(static_cast<AsyncRequest *>(rq));

}

return;

}

void MessageQueueService::_handle_async_request(AsyncRequest *req)

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}

void MessageQueueService::_make_response(AsyncRequest *req, Uint32 code)

Boolean MessageQueueService::_enqueueResponse(

Message* request,

Message* response)

{

AsyncReply *reply =

PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,

new AsyncReply(async_messages::REPLY,

"MessageQueueService::_enqueueResponse");

req->getKey(),

req->getRouting(),

if( request->getMask() & message_mask::ha_async)

{

req->op,

if (response->getMask() & message_mask::ha_async )

code,

{

req->resp,

_completeAsyncResponse(static_cast<AsyncRequest *>(request),

false);

static_cast<AsyncReply *>(response),

_completeAsyncResponse(req, reply, ASYNC_OPSTATE_COMPLETE, 0 );

ASYNC_OPSTATE_COMPLETE, 0 );

PEG_METHOD_EXIT();

return true;

}

if(request->_async != 0 )

{

Uint32 mask = request->_async->getMask();

PEGASUS_ASSERT(mask & (message_mask::ha_async | message_mask::ha_request ));

AsyncRequest *async = static_cast<AsyncRequest *>(request->_async);

AsyncOpNode *op = async->op;

request->_async = 0;

// the legacy request is going to be deleted by its handler

// remove it from the op node

static_cast<AsyncLegacyOperationStart *>(async)->get_action();

AsyncLegacyOperationResult *async_result =

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)

{

cimom::_make_response(req, code);

}

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Uint32 state,

Uint32 flag)

{

PEGASUS_ASSERT(request != 0 && reply != 0 );

PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,

"MessageQueueService::_completeAsyncResponse");

AsyncOpNode *op = request->op;

cimom::_completeAsyncResponse(request, reply, state, flag);

op->lock();

op->_state |= state ;

op->_flags |= flag;

gettimeofday(&(op->_updated), NULL);

if ( false == op->_response.exists(reinterpret_cast<void *>(reply)) )

op->_response.insert_last(reply);

op->unlock();

op->_client_sem.signal();

PEG_METHOD_EXIT();

}

void MessageQueueService::_complete_op_node(AsyncOpNode *op,

Uint32 state,

Uint32 flag,

Uint32 code)

{

cimom::_complete_op_node(op, state, flag, code);

}

Boolean MessageQueueService::accept_async(AsyncOpNode *op)

{

if (_incoming_queue_shutdown.value() > 0 )

return false;

// ATTN optimization remove the message checking altogether in the base

// << Mon Feb 18 14:02:20 2002 mdd >>

op->lock();

Message *rq = op->_request.next(0);

Message *rp = op->_response.next(0);

op->unlock();

if( true == messageOK(rq) && _die.value() == 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;

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{

if (_incoming_queue_shutdown.value() > 0 )

return false;

if ( msg != 0 )

{

Uint32 mask = msg->getMask();

if ( mask & message_mask::ha_async)

if ( mask & message_mask::ha_request)

return true;

}

return false;

}

void MessageQueueService::handleEnqueue(void)

{

Message *msg = dequeue();

if( msg )

{

delete msg;

}

void MessageQueueService::handle_heartbeat_request(AsyncRequest *req)

{

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Line 682

{

case AsyncIoctl::IO_CLOSE:

{

// save my bearings

Thread *myself = req->_myself;

MessageQueueService *service = static_cast<MessageQueueService *>(req->_service);

// respond to this message.

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);

// ensure we do not accept any further messages

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Line 715

}

if( operation )

{

service->_handle_incoming_operation(operation, myself, service);

operation->_service_ptr = service;

service->_handle_incoming_operation(operation);

}

else

break;

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// shutdown the AsyncDQueue

service->_incoming.shutdown_queue();

// exit the thread !

myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );

return;

}

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void MessageQueueService::handle_CimServiceStart(CimServiceStart *req)

{

_make_response(req, async_results::CIM_NAK);

#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)

{

_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)

{

_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)

{

_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)

{

_make_response(req, async_results::CIM_NAK);

}

void MessageQueueService::handle_AsyncOperationResult(AsyncOperationResult *req)

Line 378

Line 785

;

}

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 *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;

}

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}

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;

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)

{

PEGASUS_ASSERT(op != 0 && callback != 0 );

// get the queue handle for the destination

op->lock();

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

op->unlock();

if(op->_op_dest == 0)

return false;

return _meta_dispatcher->route_async(op);

}

Boolean MessageQueueService::SendAsync(Message *msg,

Uint32 destination,

void (*callback)(Message *response,

void *handle,

void *parameter),

void *handle,

void *parameter)

{

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;

}

// now see if the meta dispatcher will take it

return _meta_dispatcher->route_async(op);

}

AsyncReply *MessageQueueService::SendWait(AsyncRequest *request)

{

Line 403

Line 976

Boolean destroy_op = false;

if (request->op == false)

if (request->op == 0)

{

request->op = get_op();

request->op->_request.insert_first(request);

destroy_op = true;

}

request->block = true;

request->block = false;

request->op->_state &= ~ASYNC_OPSTATE_COMPLETE;

request->op->_flags |= ASYNC_OPFLAGS_PSEUDO_CALLBACK;

request->op->put_response(0);

SendAsync(request->op,

request->dest,

// first link it on our pending list

_sendwait_callback,

// _pending.insert_last_wait(request->op);

this,

(void *)0);

// now see if the meta dispatcher will take it

if (true == _meta_dispatcher->route_async(request->op))

{

request->op->_client_sem.wait();

PEGASUS_ASSERT(request->op->_state & ASYNC_OPSTATE_COMPLETE);

}

request->op->lock();

AsyncReply * rpl = static_cast<AsyncReply *>(request->op->_response.remove_first());

rpl->op = 0;

Line 437

Line 1003

request->op->_request.remove(request);

request->op->_state |= ASYNC_OPSTATE_RELEASED;

request->op->unlock();

return_op(request->op);

request->op = 0;

}

return rpl;

}

Line 458

Line 1022

capabilities,

mask,

_queueId);

msg->dest = CIMOM_Q_ID;

Boolean registered = false;

AsyncReply *reply = static_cast<AsyncReply *>(SendWait( msg ));

Line 467

Line 1033

{

if(reply->getMask() & message_mask::ha_reply)

{

if(reply->result == async_results::OK)

if(reply->result == async_results::OK ||

reply->result == async_results::MODULE_ALREADY_REGISTERED )

registered = true;

}

Line 536

Line 1103

capabilities,

mask);

req->dest = CIMOM_Q_ID;

AsyncMessage *reply = SendWait(req);

if(reply)

{

Line 604

Line 1173

Uint32 MessageQueueService::get_next_xid(void)

{

static Mutex _monitor;

Uint32 value;

AutoMutex autoMut(_monitor);

_xid++;

return _xid.value();

value = _xid.value();

return value;

}

PEGASUS_NAMESPACE_END

Legend:

Removed from v.1.8
changed lines
	Added in v.1.88

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