1/*-
2 * This file is provided under a dual BSD/GPLv2 license.  When using or
3 * redistributing this file, you may do so under either license.
4 *
5 * GPL LICENSE SUMMARY
6 *
7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of version 2 of the GNU General Public License as
11 * published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * BSD LICENSE
25 *
26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
27 * All rights reserved.
28 *
29 * Redistribution and use in source and binary forms, with or without
30 * modification, are permitted provided that the following conditions
31 * are met:
32 *
33 *   * Redistributions of source code must retain the above copyright
34 *     notice, this list of conditions and the following disclaimer.
35 *   * Redistributions in binary form must reproduce the above copyright
36 *     notice, this list of conditions and the following disclaimer in
37 *     the documentation and/or other materials provided with the
38 *     distribution.
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
41 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
42 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
43 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
44 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
46 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
51 */
52
53#include <sys/cdefs.h>
54__FBSDID("$FreeBSD$");
55
56/**
57 * @file
58 *
59 * @brief This file implements the functionality common to all observer
60 *        objects.
61 */
62
63#include <dev/isci/scil/sci_types.h>
64#include <dev/isci/scil/sci_base_subject.h>
65#include <dev/isci/scil/sci_base_observer.h>
66
67#if defined(SCI_LOGGING)
68
69//******************************************************************************
70//* P U B L I C   M E T H O D S
71//******************************************************************************
72
73void sci_base_observer_construct(
74   struct SCI_BASE_OBSERVER *this_observer,
75   SCI_BASE_OBSERVER_UPDATE_T update
76)
77{
78   this_observer->next = NULL;
79   this_observer->update = update;
80}
81
82// ---------------------------------------------------------------------------
83
84void sci_base_observer_initialize(
85   SCI_BASE_OBSERVER_T        * the_observer,
86   SCI_BASE_OBSERVER_UPDATE_T   update,
87   SCI_BASE_SUBJECT_T         * the_subject
88)
89{
90   sci_base_observer_construct(the_observer, update);
91   sci_base_subject_attach_observer(the_subject, the_observer);
92}
93
94// ---------------------------------------------------------------------------
95
96void sci_base_observer_update(
97   SCI_BASE_OBSERVER_T *this_observer,
98   SCI_BASE_SUBJECT_T  *the_subject
99)
100{
101   if (this_observer->update != NULL)
102   {
103      this_observer->update(this_observer, the_subject);
104   }
105}
106
107#endif // defined(SCI_LOGGING)
108