xref: /illumos-gate/usr/src/lib/sun_fc/common/AdapterEventListener.cc (revision fcf3ce441efd61da9bb2884968af01cb7c1452cc)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 
27 
28 #include "AdapterEventListener.h"
29 #include "AdapterEvent.h"
30 #include "Exceptions.h"
31 #include "Trace.h"
32 #include "sun_fc.h"
33 
34 /**
35  * @memo	    Create a new AdapterEvent listener
36  * @postcondition   Listener ready to receive callbacks
37  * @exception	    BadArgumentException
38  * @param	    myCallback	The listeners callback routine
39  * @param	    data	Opaque data that will be passed to the
40  *				callback routine when and event comes in.
41  *
42  */
AdapterEventListener(HBA * myHBA,AdapterCallback myCallback,void * data)43 AdapterEventListener::AdapterEventListener(HBA *myHBA,
44 	    AdapterCallback myCallback, void *data) :
45 	    hba(myHBA), Listener(data), callback(myCallback) {
46 	Trace log("AdapterEventListener::AdapterEventListener");
47 	if (callback == NULL) {
48 	    throw BadArgumentException();
49 	}
50 }
51 
52 /**
53  * @memo	    Send the event to this listener
54  * @param	    event   The event to send to the listener
55  *
56  * @doc		    The callback registered in the constructor will
57  *		    be called.
58  */
dispatch(Event & event)59 void AdapterEventListener::dispatch(Event &event) {
60 	Trace log("AdapterEventListener::dispatch");
61 	AdapterEvent *e = static_cast<AdapterEvent*> (&event);
62 	if (e != NULL) {
63 	    HBA_WWN wwn;
64 	    uint64_t lwwn = e->getPortWWN();
65 	    // Filter out unwanted events.
66 	    if (hba->containsWWN(lwwn)) {
67 		lwwn = htonll(lwwn);
68 		memcpy(&wwn, &lwwn, sizeof (wwn));
69 		callback(getData(), wwn, e->getType());
70 	    } // Else, ignore it
71 	} else {
72 	    log.internalError("Unexpected event type.");
73 	}
74 }
75