version 1.11, 2002/02/04 22:01:47
|
version 1.117, 2005/10/14 17:40:18
|
|
|
//%////-*-c++-*-//////////////////////////////////////////////////////////////// |
//%2005//////////////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000, 2001 The Open group, BMC Software, Tivoli Systems, IBM |
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development |
|
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. |
|
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; |
|
// IBM Corp.; EMC Corporation, The Open Group. |
|
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; |
|
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. |
|
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; 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 |
|
|
// Author: Mike Day (mdday@us.ibm.com) | // Author: Mike Day (mdday@us.ibm.com) |
// | // |
// Modified By: | // Modified By: |
|
// Amit K Arora, IBM (amita@in.ibm.com) for Bug#1090,#2657 |
|
// Josephine Eskaline Joyce, IBM (jojustin@in.ibm.com) for Bug#3259 |
|
// Jim Wunderlich (Jim_Wunderlich@prodigy.net) |
// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
| |
|
// #include <iostream.h> |
#include "MessageQueueService.h" | #include "MessageQueueService.h" |
|
#include <Pegasus/Common/Tracer.h> |
|
#include <Pegasus/Common/MessageLoader.h> //l10n |
| |
PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
| |
MessageQueueService::MessageQueueService(const char *name, |
cimom *MessageQueueService::_meta_dispatcher = 0; |
|
AtomicInt MessageQueueService::_service_count = 0; |
|
AtomicInt MessageQueueService::_xid(1); |
|
Mutex MessageQueueService::_meta_dispatcher_mutex; |
|
|
|
static struct timeval deallocateWait = {300, 0}; |
|
|
|
ThreadPool *MessageQueueService::_thread_pool = 0; |
|
|
|
DQueue<MessageQueueService> MessageQueueService::_polling_list(true); |
|
|
|
Thread* MessageQueueService::_polling_thread = 0; |
|
|
|
ThreadPool *MessageQueueService::get_thread_pool() |
|
{ |
|
return _thread_pool; |
|
} |
|
|
|
// |
|
// MAX_THREADS_PER_SVC_QUEUE |
|
// |
|
// JR Wunderlich Jun 6, 2005 |
|
// |
|
|
|
#define MAX_THREADS_PER_SVC_QUEUE_LIMIT 5000 |
|
#define MAX_THREADS_PER_SVC_QUEUE_DEFAULT 5 |
|
|
|
#ifndef MAX_THREADS_PER_SVC_QUEUE |
|
# define MAX_THREADS_PER_SVC_QUEUE MAX_THREADS_PER_SVC_QUEUE_DEFAULT |
|
#endif |
|
|
|
Uint32 max_threads_per_svc_queue; |
|
|
|
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->cleanupIdleThreads(); |
|
} |
|
catch(...) |
|
{ |
|
|
|
} |
|
} |
|
|
|
#ifdef PEGASUS_POINTER_64BIT |
|
return (PEGASUS_THREAD_RETURN)(Uint64)dead_threads; |
|
#elif PEGASUS_PLATFORM_AIX_RS_IBMCXX |
|
return (PEGASUS_THREAD_RETURN)(unsigned long)dead_threads; |
|
#else |
|
return (PEGASUS_THREAD_RETURN)(Uint32)dead_threads; |
|
#endif |
|
} |
|
|
|
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; |
|
} |
|
|
|
// The polling_routine thread must hold the lock on the |
|
// _polling_thread list while processing incoming messages. |
|
// This lock is used to give this thread ownership of |
|
// services on the _polling_routine list. |
|
|
|
// This is necessary to avoid confict with other threads |
|
// processing the _polling_list |
|
// (e.g., MessageQueueServer::~MessageQueueService). |
|
|
|
list->lock(); |
|
MessageQueueService *service = list->next(0); |
|
ThreadStatus rtn = PEGASUS_THREAD_OK; |
|
while (service != NULL) |
|
{ |
|
if ((service->_incoming.count() > 0) && |
|
(service->_die.value() == 0) && |
|
(service->_threads < max_threads_per_svc_queue)) |
|
{ |
|
// The _threads count is used to track the |
|
// number of active threads that have been allocated |
|
// to process messages for this service. |
|
|
|
// The _threads count MUST be incremented while |
|
// the polling_routine owns the _polling_thread |
|
// lock and has ownership of the service object. |
|
|
|
service->_threads++; |
|
try |
|
{ |
|
rtn = _thread_pool->allocate_and_awaken( |
|
service, _req_proc, &_polling_sem); |
|
} |
|
catch (...) |
|
{ |
|
service->_threads--; |
|
|
|
// allocate_and_awaken should never generate an exception. |
|
PEGASUS_ASSERT(0); |
|
} |
|
// if no more threads available, break from processing loop |
|
if (rtn != PEGASUS_THREAD_OK ) |
|
{ |
|
service->_threads--; |
|
Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, |
|
"Not enough threads to process this request. Skipping."); |
|
|
|
Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL2, |
|
"Could not allocate thread for %s. " \ |
|
"Queue has %d messages waiting and %d threads servicing." \ |
|
"Skipping the service for right now. ", |
|
service->getQueueName(), |
|
service->_incoming.count(), |
|
service->_threads.value()); |
|
|
|
pegasus_yield(); |
|
service = NULL; |
|
} |
|
} |
|
if (service != NULL) |
|
{ |
|
service = list->next(service); |
|
} |
|
} |
|
list->unlock(); |
|
|
|
if (_check_idle_flag.value() != 0) |
|
{ |
|
_check_idle_flag = 0; |
|
// try to do idle thread clean up processing when system is not busy |
|
// if system is busy there may not be a thread available to allocate |
|
// so nothing will be done and that is OK. |
|
|
|
if ( _thread_pool->allocate_and_awaken(service, kill_idle_threads, &_polling_sem) != PEGASUS_THREAD_OK) |
|
{ |
|
Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, |
|
"Not enough threads to kill idle threads. What an irony."); |
|
|
|
Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL2, |
|
"Could not allocate thread to kill idle threads." \ |
|
"Skipping. "); |
|
} |
|
|
|
|
|
} |
|
} |
|
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 queueID, |
Uint32 capabilities, | Uint32 capabilities, |
Uint32 mask) | Uint32 mask) |
: Base(name, false, queueID), |
: Base(name, true, queueID), |
_capabilities(capabilities), |
|
_mask(mask), | _mask(mask), |
_die(0), | _die(0), |
_pending(true), |
_threads(0), |
_incoming(true, 1000), |
_incoming(true, 0), |
_incoming_queue_shutdown(0), |
_incoming_queue_shutdown(0) |
_req_thread(_req_proc, this, false) |
|
{ | { |
|
|
|
_capabilities = (capabilities | module_capabilities::async); |
|
|
_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)); |
|
|
max_threads_per_svc_queue = MAX_THREADS_PER_SVC_QUEUE; |
|
|
|
// if requested thread max is out of range, then set to |
|
// MAX_THREADS_PER_SVC_QUEUE_LIMIT |
|
|
|
if ((max_threads_per_svc_queue < 1) || |
|
(max_threads_per_svc_queue > MAX_THREADS_PER_SVC_QUEUE_LIMIT)) |
|
{ |
|
max_threads_per_svc_queue = MAX_THREADS_PER_SVC_QUEUE_LIMIT; |
|
} |
|
|
|
Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL2, |
|
"max_threads_per_svc_queue set to %u.", max_threads_per_svc_queue); |
|
|
|
AutoMutex autoMut(_meta_dispatcher_mutex); |
|
|
if(_meta_dispatcher == 0 ) | if(_meta_dispatcher == 0 ) |
|
{ |
|
_stop_polling = 0; |
|
PEGASUS_ASSERT(_service_count.value() == 0); |
|
_meta_dispatcher = new cimom(); |
|
if (_meta_dispatcher == NULL) |
|
{ |
throw NullPointer(); | throw NullPointer(); |
_req_thread.run(); |
} |
|
// _thread_pool = new ThreadPool(initial_cnt, "MessageQueueService", |
|
// minimum_cnt, maximum_cnt, deallocateWait); |
|
// |
|
_thread_pool = |
|
new ThreadPool(0, "MessageQueueService", 0, 0, deallocateWait); |
|
} |
|
_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); |
| |
} | } |
| |
| |
MessageQueueService::~MessageQueueService(void) |
MessageQueueService::~MessageQueueService() |
{ | { |
_die = 1; | _die = 1; |
|
|
|
// The polling_routine locks the _polling_list while |
|
// processing the incoming messages for services on the |
|
// list. Deleting the service from the _polling_list |
|
// prior to processing, avoids synchronization issues |
|
// with the _polling_routine. |
|
|
|
_polling_list.remove(this); |
|
|
|
// ATTN: The code for closing the _incoming queue |
|
// is not working correctly. In OpenPegasus 2.5, |
|
// execution of the following code is very timing |
|
// dependent. This needs to be fix. |
|
// See Bug 4079 for details. |
if (_incoming_queue_shutdown.value() == 0 ) | if (_incoming_queue_shutdown.value() == 0 ) |
_incoming.shutdown_queue(); |
{ |
|
_shutdown_incoming_queue(); |
|
} |
| |
_req_thread.join(); |
// Wait until all threads processing the messages |
|
// for this service have completed. |
| |
|
while (_threads.value() > 0) |
|
{ |
|
pegasus_yield(); |
} | } |
| |
AtomicInt MessageQueueService::_xid(1); |
{ |
|
AutoMutex autoMut(_meta_dispatcher_mutex); |
|
_service_count--; |
|
if (_service_count.value() == 0) |
|
{ |
|
|
|
_stop_polling++; |
|
_polling_sem.signal(); |
|
if (_polling_thread) { |
|
_polling_thread->join(); |
|
delete _polling_thread; |
|
_polling_thread = 0; |
|
} |
|
_meta_dispatcher->_shutdown_routed_queue(); |
|
delete _meta_dispatcher; |
|
_meta_dispatcher = 0; |
| |
void MessageQueueService::_shutdown_incoming_queue(void) |
delete _thread_pool; |
|
_thread_pool = 0; |
|
} |
|
} // mutex unlocks here |
|
// Clean up in case there are extra stuff on the queue. |
|
while (_incoming.count()) |
|
{ |
|
try { |
|
delete _incoming.remove_first(); |
|
} catch (const ListClosed &e) |
{ | { |
|
// If the list is closed, there is nothing we can do. |
|
break; |
|
} |
|
} |
|
} |
| |
|
void MessageQueueService::_shutdown_incoming_queue() |
|
{ |
if (_incoming_queue_shutdown.value() > 0 ) | if (_incoming_queue_shutdown.value() > 0 ) |
return ; | return ; |
| |
AsyncIoctl *msg = new AsyncIoctl(get_next_xid(), |
AsyncIoctl *msg = new AsyncIoctl( |
|
get_next_xid(), |
0, | 0, |
_queueId, | _queueId, |
_queueId, | _queueId, |
|
|
0); | 0); |
| |
msg->op = get_op(); | msg->op = get_op(); |
msg->op->_request.insert_first(msg); |
msg->op->_flags |= ASYNC_OPFLAGS_FIRE_AND_FORGET; |
|
msg->op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK | ASYNC_OPFLAGS_SAFE_CALLBACK |
|
| ASYNC_OPFLAGS_SIMPLE_STATUS); |
|
msg->op->_state &= ~ASYNC_OPSTATE_COMPLETE; |
| |
|
msg->op->_op_dest = this; |
|
msg->op->_request.insert_first(msg); |
|
try { |
|
_incoming.insert_last_wait(msg->op); |
|
_polling_sem.signal(); |
|
} catch (const ListClosed &) |
|
{ |
|
// This means the queue has already been shut-down (happens when there |
|
// are two AsyncIoctrl::IO_CLOSE messages generated and one got first |
|
// processed. |
|
delete msg; |
|
} |
|
catch (const Permission &) |
|
{ |
|
delete msg; |
|
} |
|
} |
| |
| |
_incoming.insert_last_wait(msg->op); |
|
msg->op->_client_sem.wait(); |
|
| |
msg->op->lock(); |
void MessageQueueService::enqueue(Message *msg) |
AsyncReply * reply = static_cast<AsyncReply *>(msg->op->_response.remove_first()); |
{ |
reply->op = 0; |
PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE, "MessageQueueService::enqueue()"); |
msg->op->unlock(); |
|
delete reply; |
|
| |
msg->op->_request.remove(msg); |
Base::enqueue(msg); |
msg->op->_state |= ASYNC_OPSTATE_RELEASED; |
|
return_op(msg->op); |
|
| |
msg->op = 0; |
PEG_METHOD_EXIT(); |
delete msg; |
|
} | } |
| |
| |
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(void * parm) |
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc( |
|
void * parm) |
|
{ |
|
MessageQueueService* service = |
|
reinterpret_cast<MessageQueueService*>(parm); |
|
PEGASUS_ASSERT(service != 0); |
|
try |
{ | { |
Thread *myself = reinterpret_cast<Thread *>(parm); |
|
MessageQueueService *service = reinterpret_cast<MessageQueueService *>(myself->get_parm()); |
|
| |
|
if (service->_die.value() != 0) |
|
{ |
|
service->_threads--; |
|
return (0); |
|
} |
// pull messages off the incoming queue and dispatch them. then | // pull messages off the incoming queue and dispatch them. then |
// check pending messages that are non-blocking | // check pending messages that are non-blocking |
AsyncOpNode *operation = 0; | AsyncOpNode *operation = 0; |
| |
while ( service->_die.value() == 0 ) |
// many operations may have been queued. |
|
do |
{ | { |
try | try |
{ | { |
operation = service->_incoming.remove_first_wait(); |
operation = service->_incoming.remove_first(); |
} | } |
catch(ListClosed & ) | catch(ListClosed & ) |
{ | { |
|
// ATTN: This appears to be a common loop exit path. |
|
//PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
|
// "Caught ListClosed exception. Exiting _req_proc."); |
break; | break; |
} | } |
|
|
if( operation ) | if( operation ) |
{ | { |
|
operation->_service_ptr = service; |
|
service->_handle_incoming_operation(operation); |
|
} |
|
} while (operation); |
|
} |
|
catch (const Exception& e) |
|
{ |
|
PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
|
String("Caught exception: \"") + e.getMessage() + |
|
"\". Exiting _req_proc."); |
|
} |
|
catch (...) |
|
{ |
|
PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
|
"Caught unrecognized exception. Exiting _req_proc."); |
|
} |
|
service->_threads--; |
|
return(0); |
|
} |
| |
service->_handle_incoming_operation(operation, myself, service); |
|
|
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; |
} | } |
| |
myself->exit_self( (PEGASUS_THREAD_RETURN) 1 ); |
msg = op->get_response(); |
return(0); |
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, |
|
MessageQueue *queue) |
|
{ | { |
if ( operation != 0 ) | if ( operation != 0 ) |
{ | { |
|
|
|
// ATTN: optimization |
|
// << Tue Feb 19 14:10:38 2002 mdd >> |
operation->lock(); | operation->lock(); |
|
|
Message *rq = operation->_request.next(0); | 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(); | 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 != 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)); | _handle_async_request(static_cast<AsyncRequest *>(rq)); |
} | } |
|
} |
return; | return; |
|
|
} | } |
| |
void MessageQueueService::_handle_async_request(AsyncRequest *req) | void MessageQueueService::_handle_async_request(AsyncRequest *req) |
|
|
} | } |
} | } |
| |
void MessageQueueService::_make_response(AsyncRequest *req, Uint32 code) |
|
|
Boolean MessageQueueService::_enqueueResponse( |
|
Message* request, |
|
Message* response) |
{ | { |
AsyncReply *reply = |
|
new AsyncReply(async_messages::REPLY, |
STAT_COPYDISPATCHER |
req->getKey(), |
|
req->getRouting(), |
PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE, |
0, |
"MessageQueueService::_enqueueResponse"); |
req->op, |
|
code, |
if (request->getMask() & message_mask::ha_async) |
req->resp, |
{ |
false); |
if (response->getMask() & message_mask::ha_async) |
_completeAsyncResponse(req, reply, ASYNC_OPSTATE_COMPLETE, 0 ); |
{ |
|
_completeAsyncResponse(static_cast<AsyncRequest *>(request), |
|
static_cast<AsyncReply *>(response), |
|
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::_completeAsyncResponse(AsyncRequest *request, |
void MessageQueueService::_make_response(Message *req, Uint32 code) |
|
{ |
|
cimom::_make_response(req, code); |
|
} |
|
|
|
|
|
void MessageQueueService::_completeAsyncResponse( |
|
AsyncRequest *request, |
AsyncReply *reply, | AsyncReply *reply, |
Uint32 state, | Uint32 state, |
Uint32 flag) | 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) | Boolean MessageQueueService::accept_async(AsyncOpNode *op) |
{ | { |
if (_incoming_queue_shutdown.value() > 0 ) | if (_incoming_queue_shutdown.value() > 0 ) |
return false; | return false; |
|
if (_polling_thread == NULL) |
|
{ |
|
_polling_thread = new Thread( |
|
polling_routine, |
|
reinterpret_cast<void *>(&_polling_list), |
|
false); |
|
ThreadStatus tr = PEGASUS_THREAD_OK; |
|
while ( (tr =_polling_thread->run()) != PEGASUS_THREAD_OK) |
|
{ |
|
if (tr == PEGASUS_THREAD_INSUFFICIENT_RESOURCES) |
|
pegasus_yield(); |
|
else |
|
throw Exception(MessageLoaderParms("Common.MessageQueueService.NOT_ENOUGH_THREAD", |
|
"Could not allocate thread for the polling thread.")); |
|
} |
|
} |
|
// ATTN optimization remove the message checking altogether in the base |
|
// << Mon Feb 18 14:02:20 2002 mdd >> |
op->lock(); | op->lock(); |
Message *rq = op->_request.next(0); | Message *rq = op->_request.next(0); |
|
Message *rp = op->_response.next(0); |
op->unlock(); | 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); | _incoming.insert_last_wait(op); |
|
_polling_sem.signal(); |
return true; | return true; |
} | } |
return false; | return false; |
|
|
{ | { |
if (_incoming_queue_shutdown.value() > 0 ) | if (_incoming_queue_shutdown.value() > 0 ) |
return false; | return false; |
|
|
if ( msg != 0 ) |
|
{ |
|
Uint32 mask = msg->getMask(); |
|
if ( mask & message_mask::ha_async) |
|
if ( mask & message_mask::ha_request) |
|
return true; | return true; |
} | } |
return false; |
|
} |
|
|
|
|
|
void MessageQueueService::handleEnqueue(void) |
|
{ |
|
Message *msg = dequeue(); |
|
if( msg ) |
|
{ |
|
delete msg; |
|
} |
|
} |
|
| |
void MessageQueueService::handle_heartbeat_request(AsyncRequest *req) | void MessageQueueService::handle_heartbeat_request(AsyncRequest *req) |
{ | { |
// default action is to echo a heartbeat response | // default action is to echo a heartbeat response |
| |
AsyncReply *reply = |
AsyncReply *reply = new AsyncReply( |
new AsyncReply(async_messages::HEARTBEAT, |
async_messages::HEARTBEAT, |
req->getKey(), | req->getKey(), |
req->getRouting(), | req->getRouting(), |
0, | 0, |
|
|
| |
void MessageQueueService::handle_heartbeat_reply(AsyncReply *rep) | void MessageQueueService::handle_heartbeat_reply(AsyncReply *rep) |
{ | { |
; |
|
} | } |
| |
void MessageQueueService::handle_AsyncIoctl(AsyncIoctl *req) | void MessageQueueService::handle_AsyncIoctl(AsyncIoctl *req) |
{ | { |
|
|
switch( req->ctl ) | switch( req->ctl ) |
{ | { |
case AsyncIoctl::IO_CLOSE: | case AsyncIoctl::IO_CLOSE: |
{ | { |
// save my bearings |
MessageQueueService *service = static_cast<MessageQueueService *>(req->op->_service_ptr); |
Thread *myself = req->_myself; |
|
MessageQueueService *service = static_cast<MessageQueueService *>(req->_service); |
|
| |
// respond to this message. |
#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 do not accept any further messages |
| |
|
|
} | } |
if( operation ) | if( operation ) |
{ | { |
service->_handle_incoming_operation(operation, myself, service); |
operation->_service_ptr = service; |
|
service->_handle_incoming_operation(operation); |
} | } |
else | else |
break; | break; |
|
|
| |
// shutdown the AsyncDQueue | // shutdown the AsyncDQueue |
service->_incoming.shutdown_queue(); | service->_incoming.shutdown_queue(); |
// exit the thread ! |
|
myself->exit_self( (PEGASUS_THREAD_RETURN) 1 ); |
|
return; | return; |
} | } |
| |
|
|
| |
void MessageQueueService::handle_CimServiceStart(CimServiceStart *req) | 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 | // clear the stoped bit and update |
_capabilities &= ~(module_capabilities::stopped); |
_capabilities &= (~(module_capabilities::stopped)); |
_make_response(req, async_results::OK); | _make_response(req, async_results::OK); |
// now tell the meta dispatcher we are stopped | // now tell the meta dispatcher we are stopped |
update_service(_capabilities, _mask); | update_service(_capabilities, _mask); |
|
|
} | } |
void MessageQueueService::handle_CimServiceStop(CimServiceStop *req) | void MessageQueueService::handle_CimServiceStop(CimServiceStop *req) |
{ | { |
|
#ifdef MESSAGEQUEUESERVICE_DEBUG |
|
PEGASUS_STD(cout) << getQueueName() << "received STOP" << PEGASUS_STD(endl); |
|
#endif |
// set the stopeed bit and update | // set the stopeed bit and update |
_capabilities |= module_capabilities::stopped; | _capabilities |= module_capabilities::stopped; |
_make_response(req, async_results::CIM_STOPPED); | _make_response(req, async_results::CIM_STOPPED); |
// now tell the meta dispatcher we are stopped | // now tell the meta dispatcher we are stopped |
update_service(_capabilities, _mask); | update_service(_capabilities, _mask); |
|
|
} | } |
|
|
void MessageQueueService::handle_CimServicePause(CimServicePause *req) | void MessageQueueService::handle_CimServicePause(CimServicePause *req) |
{ | { |
// set the paused bit and update | // set the paused bit and update |
_capabilities |= module_capabilities::stopped; |
_capabilities |= module_capabilities::paused; |
update_service(_capabilities, _mask); | update_service(_capabilities, _mask); |
_make_response(req, async_results::CIM_PAUSED); | _make_response(req, async_results::CIM_PAUSED); |
// now tell the meta dispatcher we are stopped | // now tell the meta dispatcher we are stopped |
|
|
cout << " service paused " << endl; |
|
|
|
} | } |
|
|
void MessageQueueService::handle_CimServiceResume(CimServiceResume *req) | void MessageQueueService::handle_CimServiceResume(CimServiceResume *req) |
{ | { |
// clear the paused bit and update | // clear the paused bit and update |
_capabilities &= ~(module_capabilities::paused); |
_capabilities &= (~(module_capabilities::paused)); |
update_service(_capabilities, _mask); | update_service(_capabilities, _mask); |
_make_response(req, async_results::OK); | _make_response(req, async_results::OK); |
// now tell the meta dispatcher we are stopped | // now tell the meta dispatcher we are stopped |
|
|
|
|
cout << " service resumed " << endl; |
|
} | } |
| |
void MessageQueueService::handle_AsyncOperationStart(AsyncOperationStart *req) | void MessageQueueService::handle_AsyncOperationStart(AsyncOperationStart *req) |
|
|
| |
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() |
{ | { |
AsyncOpNode *op = new AsyncOpNode(); | AsyncOpNode *op = new AsyncOpNode(); |
| |
|
|
} | } |
| |
| |
|
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); |
|
// 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; |
|
} |
|
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) | AsyncReply *MessageQueueService::SendWait(AsyncRequest *request) |
{ | { |
|
|
| |
Boolean destroy_op = false; | Boolean destroy_op = false; |
| |
if (request->op == false) |
if (request->op == 0) |
{ | { |
request->op = get_op(); | request->op = get_op(); |
request->op->_request.insert_first(request); | request->op->_request.insert_first(request); |
destroy_op = true; | 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, |
// first link it on our pending list |
request->dest, |
// _pending.insert_last_wait(request->op); |
_sendwait_callback, |
|
this, |
// now see if the meta dispatcher will take it |
(void *)0); |
| |
if (true == _meta_dispatcher->route_async(request->op)) |
|
{ |
|
request->op->_client_sem.wait(); | request->op->_client_sem.wait(); |
PEGASUS_ASSERT(request->op->_state & ASYNC_OPSTATE_COMPLETE); |
|
|
|
} |
|
| |
request->op->lock(); | request->op->lock(); |
AsyncReply * rpl = static_cast<AsyncReply *>(request->op->_response.remove_first()); | AsyncReply * rpl = static_cast<AsyncReply *>(request->op->_response.remove_first()); |
|
|
request->op->_request.remove(request); | request->op->_request.remove(request); |
request->op->_state |= ASYNC_OPSTATE_RELEASED; | request->op->_state |= ASYNC_OPSTATE_RELEASED; |
request->op->unlock(); | request->op->unlock(); |
|
|
return_op(request->op); | return_op(request->op); |
request->op = 0; | request->op = 0; |
} | } |
|
|
return rpl; | return rpl; |
} | } |
| |
| |
Boolean MessageQueueService::register_service(String name, |
Boolean MessageQueueService::register_service( |
|
String name, |
Uint32 capabilities, | Uint32 capabilities, |
Uint32 mask) | Uint32 mask) |
|
|
{ | { |
RegisterCimService *msg = new RegisterCimService(get_next_xid(), |
RegisterCimService *msg = new RegisterCimService( |
|
get_next_xid(), |
0, | 0, |
true, | true, |
name, | name, |
capabilities, | capabilities, |
mask, | mask, |
_queueId); | _queueId); |
|
msg->dest = CIMOM_Q_ID; |
|
|
Boolean registered = false; | Boolean registered = false; |
AsyncReply *reply = static_cast<AsyncReply *>(SendWait( msg )); | AsyncReply *reply = static_cast<AsyncReply *>(SendWait( msg )); |
| |
|
|
{ | { |
if(reply->getMask() & message_mask::ha_reply) | 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; | registered = true; |
} | } |
} | } |
|
} |
| |
delete reply; | delete reply; |
} | } |
|
|
| |
Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask) | Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask) |
{ | { |
|
UpdateCimService *msg = new UpdateCimService( |
|
get_next_xid(), |
UpdateCimService *msg = new UpdateCimService(get_next_xid(), |
|
0, | 0, |
true, | true, |
_queueId, | _queueId, |
|
|
if(reply->getMask() & message_mask::ha_reply) | if(reply->getMask() & message_mask::ha_reply) |
{ | { |
if(static_cast<AsyncReply *>(reply)->result == async_results::OK) | if(static_cast<AsyncReply *>(reply)->result == async_results::OK) |
|
{ |
registered = true; | registered = true; |
} | } |
} | } |
|
} |
delete reply; | delete reply; |
} | } |
delete msg; | delete msg; |
|
|
} | } |
| |
| |
Boolean MessageQueueService::deregister_service(void) |
Boolean MessageQueueService::deregister_service() |
{ | { |
| |
_meta_dispatcher->deregister_module(_queueId); | _meta_dispatcher->deregister_module(_queueId); |
|
|
} | } |
| |
| |
void MessageQueueService::find_services(String name, |
void MessageQueueService::find_services( |
|
String name, |
Uint32 capabilities, | Uint32 capabilities, |
Uint32 mask, | Uint32 mask, |
Array<Uint32> *results) | Array<Uint32> *results) |
{ | { |
|
|
if( results == 0 ) | if( results == 0 ) |
|
{ |
throw NullPointer(); | throw NullPointer(); |
|
} |
| |
results->clear(); | results->clear(); |
| |
FindServiceQueue *req = |
FindServiceQueue *req = new FindServiceQueue( |
new FindServiceQueue(get_next_xid(), |
get_next_xid(), |
0, | 0, |
_queueId, | _queueId, |
true, | true, |
|
|
capabilities, | capabilities, |
mask); | mask); |
| |
|
req->dest = CIMOM_Q_ID; |
|
|
AsyncMessage *reply = SendWait(req); | AsyncMessage *reply = SendWait(req); |
if(reply) | if(reply) |
{ | { |
|
|
void MessageQueueService::enumerate_service(Uint32 queue, message_module *result) | void MessageQueueService::enumerate_service(Uint32 queue, message_module *result) |
{ | { |
if(result == 0) | if(result == 0) |
|
{ |
throw NullPointer(); | throw NullPointer(); |
|
} |
| |
EnumerateService *req |
EnumerateService *req = new EnumerateService( |
= new EnumerateService(get_next_xid(), |
get_next_xid(), |
0, | 0, |
_queueId, | _queueId, |
true, | true, |
|
|
return; | return; |
} | } |
| |
Uint32 MessageQueueService::get_next_xid(void) |
Uint32 MessageQueueService::get_next_xid() |
{ | { |
|
static Mutex _monitor; |
|
Uint32 value; |
|
AutoMutex autoMut(_monitor); |
_xid++; | _xid++; |
return _xid.value(); |
value = _xid.value(); |
|
return value; |
|
|
} | } |
| |
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |