1 /*-
2 * Copyright (c) 2013 Spectra Logic Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * substantially similar to the "NO WARRANTY" disclaimer below
13 * ("Disclaimer") and any redistribution must be conditioned upon
14 * including a substantially similar Disclaimer requirement for further
15 * binary redistribution.
16 *
17 * NO WARRANTY
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGES.
29 *
30 * Authors: Justin T. Gibbs (Spectra Logic Corporation)
31 */
32
33 /**
34 * \file event_factory.cc
35 */
36 #include <sys/cdefs.h>
37 #include <sys/time.h>
38
39 #include <list>
40 #include <map>
41 #include <string>
42
43 #include "guid.h"
44 #include "event.h"
45 #include "event_factory.h"
46
47 __FBSDID("$FreeBSD$");
48
49 /*================================== Macros ==================================*/
50 #define NUM_ELEMENTS(x) (sizeof(x) / sizeof(*x))
51
52 /*============================ Namespace Control =============================*/
53 namespace DevdCtl
54 {
55
56 /*=========================== Class Implementations ==========================*/
57 /*------------------------------- EventFactory -------------------------------*/
58 //- Event Public Methods -------------------------------------------------------
EventFactory(Event::BuildMethod * defaultBuildMethod)59 EventFactory::EventFactory(Event::BuildMethod *defaultBuildMethod)
60 : m_defaultBuildMethod(defaultBuildMethod)
61 {
62 }
63
64 void
UpdateRegistry(Record regEntries[],size_t numEntries)65 EventFactory::UpdateRegistry(Record regEntries[], size_t numEntries)
66 {
67 EventFactory::Record *rec(regEntries);
68 EventFactory::Record *lastRec(rec + numEntries - 1);
69
70 for (; rec <= lastRec; rec++) {
71 Key key(rec->m_type, rec->m_subsystem);
72
73 if (rec->m_buildMethod == NULL)
74 m_registry.erase(key);
75 else
76 m_registry[key] = rec->m_buildMethod;
77 }
78 }
79
80 Event *
Build(Event::Type type,NVPairMap & nvpairs,const std::string eventString) const81 EventFactory::Build(Event::Type type, NVPairMap &nvpairs,
82 const std::string eventString) const
83 {
84 Key key(type, nvpairs["system"]);
85 Event::BuildMethod *buildMethod(m_defaultBuildMethod);
86
87 Registry::const_iterator foundMethod(m_registry.find(key));
88 if (foundMethod != m_registry.end())
89 buildMethod = foundMethod->second;
90
91 if (buildMethod == NULL) {
92 delete &nvpairs;
93 return (NULL);
94 }
95
96 return (buildMethod(type, nvpairs, eventString));
97 }
98
99 } // namespace DevdCtl
100