MethodCallWorkItem item = (MethodCallWorkItem)wi;
MethodCallParams methodCallParams = item.getMethodCallParams();
String methodName = methodCallParams.getName();
ObjectId objectId = methodCallParams.getObjectId();
String userId = methodCallParams.getUserId();
QmfData inArgs = methodCallParams.getArgs();
ObjectId controlAddress = _control.getObjectId();
System.out.println("Method Call User ID = " + userId);
try
{
if (objectId == null)
{
// Method invoked directly on Agent
if (methodName.equals("toString"))
{
QmfData outArgs = new QmfData();
outArgs.setValue("string", _agent.toString());
_agent.methodResponse(methodName, item.getHandle(), outArgs, null);
}
}
else if (objectId.equals(controlAddress))
{
if (methodName.equals("stop"))
{
System.out.println("Invoked stop method");
String message = inArgs.getStringValue("message");
System.out.println("Stopping: message = " + message);
_agent.methodResponse(methodName, item.getHandle(), null, null);
_agent.destroy();
System.exit(1);
}
else if (methodName.equals("echo"))
{
System.out.println("Invoked echo method");
_agent.methodResponse(methodName, item.getHandle(), inArgs, null);
}
else if (methodName.equals("event"))
{
System.out.println("Invoked event method");
QmfEvent event = new QmfEvent(_eventSchema);
event.setSeverity((int)inArgs.getLongValue("severity"));
event.setValue("text", inArgs.getStringValue("text"));
_agent.raiseEvent(event);
_agent.methodResponse(methodName, item.getHandle(), null, null);
}
else if (methodName.equals("fail"))
{
System.out.println("Invoked fail method");
QmfData error = new QmfData();
if (inArgs.getBooleanValue("useString"))
{
error.setValue("error_text", inArgs.getStringValue("stringVal"));
}
else
{
error.setValue("whatHappened", "It Failed");
error.setValue("howBad", 75);
error.setValue("details", inArgs.getValue("details"));
}
_agent.methodResponse(methodName, item.getHandle(), null, error);
}
else if (methodName.equals("create_child"))
{
System.out.println("Invoked create_child method");
String childName = inArgs.getStringValue("name");
System.out.println("childName = " + childName);
QmfAgentData child = new QmfAgentData(_childSchema);
child.setValue("name", childName);
addObject(child);
QmfData outArgs = new QmfData();
outArgs.setRefValue("childAddr", child.getObjectId(), "reference"); // Set suptype just to test
_agent.methodResponse(methodName, item.getHandle(), outArgs, null);
}
}
}
catch (QmfException qmfe)
{
System.err.println("QmfException " + qmfe.getMessage() + " caught: AgentExternalTest failed");
QmfData error = new QmfData();
error.setValue("error_text", qmfe.getMessage());
_agent.methodResponse(methodName, item.getHandle(), null, error);
}
}
if (wi.getType() == QUERY)
{
QueryWorkItem item = (QueryWorkItem)wi;
QmfQuery query = item.getQmfQuery();
System.out.println("Query User ID = " + item.getUserId());
if (query.getObjectId() != null)
{
// Look up a QmfAgentData object by the ObjectId obtained from the query
ObjectId objectId = query.getObjectId();
QmfAgentData object = _objectIndex.get(objectId);
if (object != null && !object.isDeleted())
{
_agent.queryResponse(item.getHandle(), object);
}
_agent.queryComplete(item.getHandle(), 0);
}
else
{
// Look up QmfAgentData objects by the SchemaClassId obtained from the query
// This is implemented by a linear search and allows searches with only the className specified.
// Linear searches clearly don't scale brilliantly, but the number of QmfAgentData objects managed
// by an Agent is generally fairly small, so it should be OK. Note that this is the same approach
// taken by the C++ broker ManagementAgent, so if it's a problem here........
for (QmfAgentData object : _objectIndex.values())
{
if (!object.isDeleted() && query.evaluate(object))
{
_agent.queryResponse(item.getHandle(), object);
}
}
_agent.queryComplete(item.getHandle(), 0);
}
}
if (wi.getType() == SUBSCRIBE_REQUEST)
{
SubscribeRequestWorkItem item = (SubscribeRequestWorkItem)wi;
SubscriptionParams params = item.getSubscriptionParams();
Handle handle = item.getHandle();
System.out.println("Subscribe Request User ID = " + params.getUserId());
try
{
Subscription subscription = new Subscription(this, params);
_subscriptions.put(subscription.getSubscriptionId(), subscription);
_timer.schedule(subscription, 0, params.getPublishInterval());
if (subscription == null)
{
System.out.println("Requested Subscription has already expired or been cancelled");
QmfData error = new QmfData();
error.setValue("error_text", "Requested Subscription has already expired or been cancelled");
_agent.subscriptionResponse(handle, subscription.getConsoleHandle(), null, 0, 0, error);
}
else
{
_agent.subscriptionResponse(handle, subscription.getConsoleHandle(), subscription.getSubscriptionId(),
subscription.getDuration(), subscription.getInterval(), null);
}
}
catch (QmfException qmfe)
{
_agent.raiseException(handle, "Subscribe Request failed, invalid Query: " + qmfe.getMessage());
}
}
if (wi.getType() == RESUBSCRIBE_REQUEST)
{
ResubscribeRequestWorkItem item = (ResubscribeRequestWorkItem)wi;
ResubscribeParams params = item.getResubscribeParams();
Handle handle = item.getHandle();
System.out.println("Resubscribe Request User ID = " + params.getUserId());
String subscriptionId = params.getSubscriptionId();
Subscription subscription = _subscriptions.get(subscriptionId);
if (subscription != null)
{
subscription.refresh(params);
_agent.subscriptionResponse(handle, subscription.getConsoleHandle(), subscription.getSubscriptionId(),
subscription.getDuration(), subscription.getInterval(), null);
}
else
{
System.out.println("Requested Subscription has already expired or been cancelled");
QmfData error = new QmfData();
error.setValue("error_text", "Requested Subscription has already expired or been cancelled");
_agent.subscriptionResponse(handle, subscription.getConsoleHandle(), null, 0, 0, error);
}
}
if (wi.getType() == UNSUBSCRIBE_REQUEST)
@author Fraser Adams