1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright 2011 Inalogic® Inc.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, as
* published by the Free Software Foundation; either version 2.1 or 3.0
* of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>
*
* Authored by: Tim Penhey <tim.penhey@canonical.com>
*
*/
#ifndef NUX_CORE_LOGGING_WRITER_H
#define NUX_CORE_LOGGING_WRITER_H
#include <iosfwd>
#include <ctime>
#include <boost/utility.hpp>
#include "Logger.h"
/**
* The Writer singleton is responsible for controlling where the
* logging message go. For testing purposes it is able to define the logging
* stream, normally a std::stringstream.
*
* The default behaviour is to output to std::cout.
*
* As far as logging the timestamp goes, we only go to second precision in the
* logging format itself. If a high performance timer is needed it should be
* managed by the caller.
*/
namespace nux {
namespace logging {
class Writer : boost::noncopyable
{
public:
static Writer& Instance();
~Writer();
void WriteMessage(Level severity,
std::string const& module,
std::string const& filename,
int line_number,
std::time_t timestamp,
std::string const& message);
void SetOutputStream(std::ostream& out);
private:
Writer();
private:
class Impl;
Impl* pimpl;
};
}
}
#endif
|