Boolean DefaultProviderManager::hasActiveProviders()
{
PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
"DefaultProviderManager::hasActiveProviders");
try
{
AutoMutex lock(_providerTableMutex);
PEG_TRACE((TRC_PROVIDERMANAGER, Tracer::LEVEL4,
"Number of providers in _providers table = %d", _providers.size()));
// Iterate through the _providers table looking for an active provider
for (ProviderTable::Iterator i = _providers.start(); i != 0; i++)
{
if (i.value()->status.isInitialized())
{
PEG_METHOD_EXIT();
return true;
}
}
}
catch (...)
{
// Unexpected exception; do not assume that no providers are loaded
PEG_TRACE_CSTRING(TRC_PROVIDERMANAGER, Tracer::LEVEL1,
"Unexpected Exception in hasActiveProviders.");
PEG_METHOD_EXIT();
return true;
}
// No active providers were found in the _providers table
PEG_METHOD_EXIT();
return false;
}
void DefaultProviderManager::unloadIdleProviders()
{
PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
"DefaultProviderManager::unloadIdleProviders");
try
{
struct timeval now;
Time::gettimeofday(&now);
// Make a copy of the table so it is not locked during provider calls
Array<ProviderMessageHandler*> providerList;
{
AutoMutex lock(_providerTableMutex);
for (ProviderTable::Iterator i = _providers.start(); i != 0; i++)
{
providerList.append(i.value());
}
}
for (Uint32 i = 0; i < providerList.size(); i++)
{
ProviderMessageHandler* provider = providerList[i];
AutoMutex lock(provider->status.getStatusMutex());
if (!provider->status.isInitialized())
{
continue;
}
struct timeval providerTime = {0, 0};
provider->status.getLastOperationEndTime(&providerTime);
PEG_TRACE((TRC_PROVIDERMANAGER, Tracer::LEVEL4,
"provider->status.isIdle() returns: %s",
(const char*)CIMValue(provider->status.isIdle())
.toString().getCString()));
if (provider->status.isIdle() &&
((now.tv_sec - providerTime.tv_sec) >
((Sint32)PEGASUS_PROVIDER_IDLE_TIMEOUT_SECONDS)))
{
PEG_TRACE((TRC_PROVIDERMANAGER, Tracer::LEVEL3,
"Unloading idle provider: %s",
(const char*)provider->getName().getCString()));
_unloadProvider(provider);
}
}
}
catch (...)
{
PEG_TRACE_CSTRING(TRC_PROVIDERMANAGER, Tracer::LEVEL1,
"Caught unexpected exception in unloadIdleProviders.");
}
PEG_METHOD_EXIT();
}
Array <JMPIProvider *>
JMPILocalProviderManager::getIndicationProvidersToEnable ()
{
PEG_METHOD_ENTER (TRC_PROVIDERMANAGER,
"JMPILocalProviderManager::getIndicationProvidersToEnable");
Array <JMPIProvider *> enableProviders;
try
{
AutoMutex lock (_providerTableMutex);
Tracer::trace (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
"Number of providers in _providers table = %d", _providers.size ());
//
// Iterate through the _providers table
//
for (ProviderTable::Iterator i = _providers.start (); i != 0; i++)
{
//
// Enable any indication provider with current subscriptions
//
JMPIProvider * provider = i.value ();
if (provider->testSubscriptions ())
{
enableProviders.append (provider);
}
}
}
catch (CIMException & e)
{
PEG_TRACE_STRING (TRC_DISCARDED_DATA, Tracer::LEVEL2,
"CIMException: " + e.getMessage ());
}
catch (Exception & e)
{
PEG_TRACE_STRING (TRC_DISCARDED_DATA, Tracer::LEVEL2,
"Exception: " + e.getMessage ());
}
catch (...)
{
PEG_TRACE_STRING (TRC_DISCARDED_DATA, Tracer::LEVEL2,
"Unexpected error in getIndicationProvidersToEnable");
}
Tracer::trace (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
"Number of indication providers to enable = %d",
enableProviders.size ());
PEG_METHOD_EXIT ();
return enableProviders;
}
CIMResponseMessage*
DefaultProviderManager::_handleSubscriptionInitCompleteRequest(
CIMRequestMessage* message)
{
PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
"DefaultProviderManager::_handleSubscriptionInitCompleteRequest");
CIMSubscriptionInitCompleteRequestMessage* request =
dynamic_cast<CIMSubscriptionInitCompleteRequestMessage*>(message);
PEGASUS_ASSERT(request != 0);
CIMSubscriptionInitCompleteResponseMessage* response =
dynamic_cast<CIMSubscriptionInitCompleteResponseMessage*>(
request->buildResponse());
PEGASUS_ASSERT(response != 0);
_subscriptionInitComplete = true;
// Make a copy of the table so it is not locked during the provider calls
Array<ProviderMessageHandler*> providerList;
{
AutoMutex lock(_providerTableMutex);
for (ProviderTable::Iterator i = _providers.start(); i != 0; i++)
{
providerList.append(i.value());
}
}
//
// Notify all providers that subscription initialization is complete
//
for (Uint32 j = 0; j < providerList.size(); j++)
{
AutoMutex lock(providerList[j]->status.getStatusMutex());
if (providerList[j]->status.isInitialized())
{
providerList[j]->subscriptionInitComplete();
}
}
PEG_METHOD_EXIT();
return response;
}
DefaultProviderManager::~DefaultProviderManager()
{
PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
"DefaultProviderManager::~DefaultProviderManager");
_shutdownAllProviders();
for (ProviderTable::Iterator i = _providers.start(); i != 0; i++)
{
ProviderMessageHandler* provider = i.value();
delete provider;
}
for (ModuleTable::Iterator j = _modules.start(); j != 0; j++)
{
ProviderModule* module = j.value();
delete module;
}
PEG_METHOD_EXIT();
}
void DefaultProviderManager::_shutdownAllProviders()
{
PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
"DefaultProviderManager::_shutdownAllProviders");
AutoMutex lock(_providerTableMutex);
PEG_TRACE((TRC_PROVIDERMANAGER, Tracer::LEVEL4,
"providers in cache = %d", _providers.size()));
//create an array of UnloadProviderRequest requests one per
//provider to process shutdown of providers simultaneously.
Array<AsyncRequestExecutor::AsyncRequestMsg*> ProviderRequests;
for (ProviderTable::Iterator i = _providers.start(); i != 0; i++)
{
AutoMutex lock(i.value()->status.getStatusMutex());
if(i.value()->status.isInitialized())
{
ProviderRequests.append(
new UnloadProviderRequest(i.value()));
}
}
//run the stop request on all providers on multiple threads using
//the request executor. This will invoke _asyncRequestCallback() on a
//seperate thread for each provider which in turn will unload that
//provider.
CIMException exception =
AsyncRequestExecutor(&_asyncRequestCallback,this).executeRequests(
ProviderRequests);
if(exception.getCode() != CIM_ERR_SUCCESS)
{
PEG_TRACE_CSTRING(TRC_PROVIDERMANAGER, Tracer::LEVEL2,
"Unexpected Exception in _shutdownAllProviders().");
}
PEG_METHOD_EXIT();
}