cec: set the power state to 'powered on' by default
[deb_libcec.git] / src / lib / util / buffer.h
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1#pragma once
2/*
3 * This file is part of the libCEC(R) library.
4 *
5 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved.
6 * libCEC(R) is an original work, containing original code.
7 *
8 * libCEC(R) is a trademark of Pulse-Eight Limited.
9 *
10 * This program is dual-licensed; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 *
24 *
25 * Alternatively, you can license this library under a commercial license,
26 * please contact Pulse-Eight Licensing for more information.
27 *
28 * For more information contact:
29 * Pulse-Eight Licensing <license@pulse-eight.com>
30 * http://www.pulse-eight.com/
31 * http://www.pulse-eight.net/
32 */
33
b9187cc6 34#include "../platform/threads.h"
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35#include <queue>
36
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37namespace CEC
38{
39 template<typename _BType>
40 struct CecBuffer
fac23b02 41 {
b9187cc6 42 public:
8bca69de 43 CecBuffer(unsigned int iMaxSize = 100)
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44 {
45 m_maxSize = iMaxSize;
46 }
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47
48 virtual ~CecBuffer(void)
49 {
50 Clear();
51 }
52
53 void Clear(void)
54 {
55 while (!m_buffer.empty())
56 m_buffer.pop();
57 }
abbca718 58
b9187cc6 59 int Size(void) const { return m_buffer.size(); }
c49c485b 60
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61 bool Push(_BType entry)
62 {
63 CLockObject lock(&m_mutex);
64 if (m_buffer.size() == m_maxSize)
65 return false;
825ddb96 66
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67 m_buffer.push(entry);
68 return true;
69 }
abbca718 70
b9187cc6 71 bool Pop(_BType &entry)
abbca718 72 {
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73 bool bReturn(false);
74 CLockObject lock(&m_mutex);
25701fa6 75 if (!m_buffer.empty())
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76 {
77 entry = m_buffer.front();
78 m_buffer.pop();
79 bReturn = true;
80 }
81 return bReturn;
abbca718 82 }
abbca718 83
b9187cc6 84 private:
8bca69de 85 unsigned int m_maxSize;
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86 std::queue<_BType> m_buffer;
87 CMutex m_mutex;
88 };
89};