ProviderOperationCounter DefaultProviderManager::_getProvider(
const String& moduleFileName,
const String& moduleName,
const String& providerName)
{
PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
"DefaultProviderManager::_getProvider");
ProviderMessageHandler* pr = _lookupProvider(moduleName, providerName);
if (!pr->status.isInitialized())
{
_initProvider(pr, moduleFileName);
}
AutoMutex lock(pr->status.getStatusMutex());
if (!pr->status.isInitialized())
{
PEG_METHOD_EXIT();
throw PEGASUS_CIM_EXCEPTION(
CIM_ERR_FAILED, "provider initialization failed");
}
ProviderOperationCounter poc(pr);
PEG_TRACE((TRC_PROVIDERMANAGER, Tracer::LEVEL4,"Returning Provider %s",
(const char*)providerName.getCString()));
PEG_METHOD_EXIT();
return poc;
}
Sint16 DefaultProviderManager::_disableProvider(
const String& moduleName,
const String& providerName)
{
PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
"DefaultProviderManager::_disableProvider");
ProviderMessageHandler* pr = _lookupProvider(moduleName, providerName);
if (!pr->status.isInitialized())
{
PEG_TRACE((TRC_PROVIDERMANAGER, Tracer::LEVEL2,
"Provider %s is not loaded",
(const char*)providerName.getCString()));
PEG_METHOD_EXIT();
return 1;
}
PEG_TRACE((TRC_PROVIDERMANAGER, Tracer::LEVEL4,"Disable Provider %s",
(const char*)pr->getName().getCString()));
//
// Check to see if there are pending requests. If there are pending
// requests and the disable timeout has not expired, loop and wait one
// second until either there is no pending requests or until timeout
// expires.
//
Uint32 waitTime = PROVIDER_DISABLE_TIMEOUT;
while ((pr->status.numCurrentOperations() > 0) && (waitTime > 0))
{
Threads::sleep(1000);
waitTime = waitTime - 1;
}
// There are still pending requests, do not disable
if (pr->status.numCurrentOperations() > 0)
{
PEG_TRACE_CSTRING(TRC_PROVIDERMANAGER, Tracer::LEVEL4,
"Disable failed since there are pending requests.");
PEG_METHOD_EXIT();
return 0;
}
try
{
AutoMutex lock(pr->status.getStatusMutex());
if (pr->status.isInitialized())
{
PEG_TRACE((TRC_PROVIDERMANAGER, Tracer::LEVEL4,
"Unloading Provider %s",
(const char*)pr->getName().getCString()));
_unloadProvider(pr);
}
}
catch (...)
{
PEG_TRACE((TRC_PROVIDERMANAGER, Tracer::LEVEL2,
"Unload provider failed %s",
(const char*)pr->getName().getCString()));
PEG_METHOD_EXIT();
return -1;
}
PEG_METHOD_EXIT();
return 1;
}
ProviderName ProviderRegistrar::findProvider(const ProviderName & providerName, Boolean test)
{
// CIMObjectPath objectName = providerName.getObjectName();
Uint32 flags = providerName.getCapabilitiesMask();
// validate arguments
/* if(objectName.getNameSpace().isNull() || objectName.getClassName().isNull())
{
throw Exception("Invalid argument.");
}
*/
CIMInstance provider;
CIMInstance providerModule;
ProviderName temp;
Boolean hasNoQuery;
switch (flags) {
case ProviderType_INSTANCE:
if (_prm->lookupInstanceProvider(providerName.getNameSpace(),providerName.getClassName(),
provider,providerModule,0)) {
if (test) checkBlocked(providerModule);
return ProviderName(
provider.getProperty(provider.findProperty
("Name")).getValue ().toString (),
providerModule.getProperty(providerModule.findProperty
("Location")).getValue().toString(),
providerModule.getProperty(providerModule.findProperty
("InterfaceType")).getValue().toString(),
ProviderType::INSTANCE);
}
break;
case ProviderType_ASSOCIATION:
if (_prm->lookupInstanceProvider(providerName.getNameSpace(),providerName.getClassName(),
provider,providerModule,1)) {
if (test) checkBlocked(providerModule);
return ProviderName(
provider.getProperty(provider.findProperty
("Name")).getValue ().toString (),
providerModule.getProperty(providerModule.findProperty
("Location")).getValue().toString(),
providerModule.getProperty(providerModule.findProperty
("InterfaceType")).getValue().toString(),
ProviderType::ASSOCIATION);
}
break;
case ProviderType_QUERY:
if (_prm->lookupInstanceProvider(providerName.getNameSpace(),providerName.getClassName(),
provider,providerModule,0,&hasNoQuery)) {
if (test) checkBlocked(providerModule);
return ProviderName(
provider.getProperty(provider.findProperty
("Name")).getValue ().toString (),
providerModule.getProperty(providerModule.findProperty
("Location")).getValue().toString(),
providerModule.getProperty(providerModule.findProperty
("InterfaceType")).getValue().toString(),
ProviderType::INSTANCE);
}
break;
case ProviderType_METHOD:
if (_prm->lookupMethodProvider(providerName.getNameSpace(),providerName.getClassName(),
providerName.getMethodName(),provider,providerModule)) {
if (test) checkBlocked(providerModule);
return ProviderName(
provider.getProperty(provider.findProperty
("Name")).getValue ().toString (),
providerModule.getProperty(providerModule.findProperty
("Location")).getValue().toString(),
providerModule.getProperty(providerModule.findProperty
("InterfaceType")).getValue().toString(),
ProviderType::METHOD);
}
break;
default:
CIMObjectPath objectName(String::EMPTY,
providerName.getNameSpace(),providerName.getClassName());
temp = _lookupProvider(objectName);
}
return(temp);
}