1 /*****************************************************************
2 |
3 |   Neptune - Automatic Cleaner
4 |
5 | Copyright (c) 2002-2008, Axiomatic Systems, LLC.
6 | All rights reserved.
7 |
8 | Redistribution and use in source and binary forms, with or without
9 | modification, are permitted provided that the following conditions are met:
10 |     * Redistributions of source code must retain the above copyright
11 |       notice, this list of conditions and the following disclaimer.
12 |     * Redistributions in binary form must reproduce the above copyright
13 |       notice, this list of conditions and the following disclaimer in the
14 |       documentation and/or other materials provided with the distribution.
15 |     * Neither the name of Axiomatic Systems nor the
16 |       names of its contributors may be used to endorse or promote products
17 |       derived from this software without specific prior written permission.
18 |
19 | THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY
20 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 | DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY
23 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 |
30 ****************************************************************/
31 
32 /*----------------------------------------------------------------------
33 |   includes
34 +---------------------------------------------------------------------*/
35 #include "NptAutomaticCleaner.h"
36 #include "NptThreads.h"
37 
38 /*----------------------------------------------------------------------
39 |   NPT_AutomaticCleaner::NPT_AutomaticCleaner
40 +---------------------------------------------------------------------*/
NPT_AutomaticCleaner()41 NPT_AutomaticCleaner::NPT_AutomaticCleaner() :
42     m_TlsContext(NULL),
43     m_HttpConnectionManager(NULL)
44 {
45 }
46 
47 /*----------------------------------------------------------------------
48 |   NPT_AutomaticCleaner::~NPT_AutomaticCleaner
49 +---------------------------------------------------------------------*/
~NPT_AutomaticCleaner()50 NPT_AutomaticCleaner::~NPT_AutomaticCleaner()
51 {
52     // When using TLS, the order to destroy singletons is important as
53     // connections may still need the TLS context up until they're
54     // cleaned up
55     delete m_HttpConnectionManager;
56     delete m_TlsContext;
57 
58     // Finally we can destroy the rest such as the NPT_HttpClient::ConnectionCanceller
59     m_Singletons.Apply(NPT_ObjectDeleter<Singleton>());
60 }
61 
62 /*----------------------------------------------------------------------
63 |   NPT_AutomaticCleaner::GetInstance
64 +---------------------------------------------------------------------*/
65 NPT_AutomaticCleaner*
GetInstance()66 NPT_AutomaticCleaner::GetInstance()
67 {
68     return &Instance;
69 }
70 NPT_AutomaticCleaner NPT_AutomaticCleaner::Instance;
71 
72 /*----------------------------------------------------------------------
73 |   NPT_AutomaticCleaner::RegisterTlsContext
74 +---------------------------------------------------------------------*/
75 NPT_Result
RegisterTlsContext(Singleton * singleton)76 NPT_AutomaticCleaner::RegisterTlsContext(Singleton* singleton)
77 {
78     m_TlsContext = singleton;
79     return NPT_SUCCESS;
80 }
81 
82 /*----------------------------------------------------------------------
83 |   NPT_AutomaticCleaner::RegisterHttpConnectionManager
84 +---------------------------------------------------------------------*/
85 NPT_Result
RegisterHttpConnectionManager(Singleton * singleton)86 NPT_AutomaticCleaner::RegisterHttpConnectionManager(Singleton* singleton)
87 {
88     m_HttpConnectionManager = singleton;
89     return NPT_SUCCESS;
90 }
91 
92 /*----------------------------------------------------------------------
93 |   NPT_AutomaticCleaner::Register
94 +---------------------------------------------------------------------*/
95 NPT_Result
Register(Singleton * singleton)96 NPT_AutomaticCleaner::Register(Singleton *singleton)
97 {
98     // Prevent double insertion
99     m_Singletons.Remove(singleton);
100     return m_Singletons.Insert(m_Singletons.GetFirstItem(), singleton);
101 }
102