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comparison Resources/Orthanc/Core/Logging.h @ 16:ff1e935768e7

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reorganization
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 09 Nov 2016 20:06:52 +0100
parents Framework/Orthanc/Core/Logging.h@0b9034112fde
children 7207a407bcd8
comparison
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15:da2cf3ace87a 16:ff1e935768e7
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #pragma once
34
35 #include <iostream>
36
37 #if !defined(ORTHANC_ENABLE_LOGGING)
38 # error The macro ORTHANC_ENABLE_LOGGING must be defined
39 #endif
40
41 namespace Orthanc
42 {
43 namespace Logging
44 {
45 void Initialize();
46
47 void Finalize();
48
49 void Reset();
50
51 void Flush();
52
53 void EnableInfoLevel(bool enabled);
54
55 void EnableTraceLevel(bool enabled);
56
57 void SetTargetFile(const std::string& path);
58
59 void SetTargetFolder(const std::string& path);
60
61 struct NullStream : public std::ostream
62 {
63 NullStream() :
64 std::ios(0),
65 std::ostream(0)
66 {
67 }
68
69 std::ostream& operator<< (const std::string& message)
70 {
71 return *this;
72 }
73
74 // This overload fixes build problems with Visual Studio 2015
75 std::ostream& operator<< (const char* message)
76 {
77 return *this;
78 }
79 };
80 }
81 }
82
83
84 #if ORTHANC_ENABLE_LOGGING != 1
85
86 # define LOG(level) ::Orthanc::Logging::NullStream()
87 # define VLOG(level) ::Orthanc::Logging::NullStream()
88
89 #else /* ORTHANC_ENABLE_LOGGING == 1 */
90
91 # include <boost/thread/mutex.hpp>
92 # define LOG(level) ::Orthanc::Logging::InternalLogger(#level, __FILE__, __LINE__)
93 # define VLOG(level) ::Orthanc::Logging::InternalLogger("TRACE", __FILE__, __LINE__)
94
95 namespace Orthanc
96 {
97 namespace Logging
98 {
99 class InternalLogger
100 {
101 private:
102 boost::mutex::scoped_lock lock_;
103 NullStream null_;
104 std::ostream* stream_;
105
106 public:
107 InternalLogger(const char* level,
108 const char* file,
109 int line);
110
111 ~InternalLogger();
112
113 std::ostream& operator<< (const std::string& message)
114 {
115 return (*stream_) << message;
116 }
117
118 // This overload fixes build problems with Visual Studio 2015
119 std::ostream& operator<< (const char* message)
120 {
121 return (*stream_) << message;
122 }
123 };
124 }
125 }
126
127 #endif // ORTHANC_ENABLE_LOGGING