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comparison deps/Platinum/ThirdParty/Neptune/Source/Core/NptSimpleMessageQueue.cpp @ 0:3425707ddbf6

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Initial import (hopefully this mercurial stuff works...)
author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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-1:000000000000 0:3425707ddbf6
1 /*****************************************************************
2 |
3 | Neptune - Simple Message Queue
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 "NptSimpleMessageQueue.h"
36 #include "NptDebug.h"
37
38 /*----------------------------------------------------------------------
39 | NPT_SimpleMessageCapsule
40 +---------------------------------------------------------------------*/
41 struct NPT_SimpleMessageCapsule
42 {
43 NPT_SimpleMessageCapsule(NPT_Message* message,
44 NPT_MessageHandler* handler) :
45 m_Message(message), m_Handler(handler) {}
46 NPT_Message* m_Message;
47 NPT_MessageHandler* m_Handler;
48 };
49
50 /*----------------------------------------------------------------------
51 | NPT_SimpleMessageQueue::NPT_SimpleMessageQueue
52 +---------------------------------------------------------------------*/
53 NPT_SimpleMessageQueue::NPT_SimpleMessageQueue()
54 {
55 }
56
57 /*----------------------------------------------------------------------
58 | NPT_SimpleMessageQueue::~NPT_SimpleMessageQueue
59 +---------------------------------------------------------------------*/
60 NPT_SimpleMessageQueue::~NPT_SimpleMessageQueue()
61 {
62 // empty the queue
63 // TBD
64 }
65
66 /*----------------------------------------------------------------------
67 | NPT_SimpleMessageQueue::QueueMessage
68 +---------------------------------------------------------------------*/
69 NPT_Result
70 NPT_SimpleMessageQueue::QueueMessage(NPT_Message* message,
71 NPT_MessageHandler* handler)
72 {
73 // push the message on the queue, with the handler reference
74 return m_Queue.Push(new NPT_SimpleMessageCapsule(message, handler));
75 }
76
77 /*----------------------------------------------------------------------
78 | NPT_SimpleMessageQueue::PumpMessage
79 +---------------------------------------------------------------------*/
80 NPT_Result
81 NPT_SimpleMessageQueue::PumpMessage(NPT_Timeout timeout /* = NPT_TIMEOUT_INFINITE */)
82 {
83 NPT_SimpleMessageCapsule* capsule;
84 NPT_Result result = m_Queue.Pop(capsule, timeout);
85 if (NPT_SUCCEEDED(result) && capsule) {
86 if (capsule->m_Handler && capsule->m_Message) {
87 result = capsule->m_Handler->HandleMessage(capsule->m_Message);
88 }
89 delete capsule->m_Message;
90 delete capsule;
91 }
92
93 return result;
94 }