TargetEventListener.cc revision fcf3ce441efd61da9bb2884968af01cb7c1452cc
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "TargetEventListener.h"
#include "TargetEvent.h"
#include "Exceptions.h"
#include "Trace.h"
#include "sun_fc.h"
/**
* @memo Create a new TargetEvent listener
* @postcondition Listener ready to receive callbacks
* @exception BadArgumentException
* @param myCallback The listeners callback routine
* @param data Opaque data that will be passed to the
* callback routine when and event comes in.
*/
TargetEventListener::TargetEventListener(HBAPort *myPort,
TargetCallback myCallback, void *data, uint64_t wwn, bool myFilter) :
port(myPort), Listener(data), callback(myCallback), targetPortWWN(wwn),
filter(myFilter) {
Trace log("TargetEventListener::TargetEventListener");
if (callback == NULL) {
throw BadArgumentException();
}
}
/**
* @memo Send the event to this listener
* @param event The event to send to the listener
*
* @doc The callback registered in the constructor will
* be called.
*/
void TargetEventListener::dispatch(Event &event) {
Trace log("TargetEventListener::dispatch");
TargetEvent *e = static_cast<TargetEvent*> (&event);
if (e != NULL) {
HBA_WWN hbawwn;
uint64_t hbalwwn = e->getHBAPortWWN();
// Filter out unwanted events
if (port->getPortWWN() != hbalwwn) {
return;
}
if (filter) {
if (targetPortWWN != e->getTargetPortWWN()) {
return;
}
}
hbalwwn = htonll(hbalwwn);
memcpy(&hbawwn, &hbalwwn, sizeof (hbawwn));
HBA_WWN tgtwwn;
uint64_t tgtlwwn = htonll(e->getTargetPortWWN());
memcpy(&tgtwwn, &tgtlwwn, sizeof (tgtwwn));
callback(getData(), hbawwn, tgtwwn, e->getType());
} else {
log.internalError("Unexpected event type.");
}
}