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Comparing s10k/CommonLibs/plog/Appenders/RollingFileAppender.h (file contents):
Revision 1095 by s10k, Thu Oct 5 17:48:32 2017 UTC vs.
Revision 1096 by s10k, Sat Dec 30 14:40:33 2017 UTC

#	Line 1 | Line 1
1	<	#pragma once
2	<	#include <plog/Appenders/IAppender.h>
3	<	#include <plog/Converters/UTF8Converter.h>
4	<	#include <plog/Util.h>
5	<	#include <algorithm>
6	<
7	<	namespace plog
8	<	{
9	<	template<class Formatter, class Converter = UTF8Converter>
10	<	class RollingFileAppender : public IAppender
11	<	{
12	<	public:
13	<	RollingFileAppender(const util::nchar* fileName, size_t maxFileSize = 0, int maxFiles = 0)
14	<	: m_fileSize()
15	<	, m_maxFileSize((std::max)(static_cast<off_t>(maxFileSize), static_cast<off_t>(1000))) // set a lower limit for the maxFileSize
16	<	, m_lastFileNumber((std::max)(maxFiles - 1, 0))
17	<	, m_firstWrite(true)
18	<	{
19	<	util::splitFileName(fileName, m_fileNameNoExt, m_fileExt);
20	<	}
21	<
22	<	#ifdef _WIN32
23	<	RollingFileAppender(const char* fileName, size_t maxFileSize = 0, int maxFiles = 0)
24	<	: m_fileSize()
25	<	, m_maxFileSize((std::max)(static_cast<off_t>(maxFileSize), static_cast<off_t>(1000))) // set a lower limit for the maxFileSize
26	<	, m_lastFileNumber((std::max)(maxFiles - 1, 0))
27	<	, m_firstWrite(true)
28	<	{
29	<	util::splitFileName(util::toWide(fileName).c_str(), m_fileNameNoExt, m_fileExt);
30	<	}
31	<	#endif
32	<
33	<	virtual void write(const Record& record)
34	<	{
35	<	util::MutexLock lock(m_mutex);
36	<
37	<	if (m_firstWrite)
38	<	{
39	<	openLogFile();
40	<	m_firstWrite = false;
41	<	}
42	<	else if (m_lastFileNumber > 0 && m_fileSize > m_maxFileSize && -1 != m_fileSize)
43	<	{
44	<	rollLogFiles();
45	<	}
46	<
47	<	int bytesWritten = m_file.write(Converter::convert(Formatter::format(record)));
48	<
49	<	if (bytesWritten > 0)
50	<	{
51	<	m_fileSize += bytesWritten;
52	<	}
53	<	}
54	<
55	<	private:
56	<	void rollLogFiles()
57	<	{
58	<	m_file.close();
59	<
60	<	util::nstring lastFileName = buildFileName(m_lastFileNumber);
61	<	util::File::unlink(lastFileName.c_str());
62	<
63	<	for (int fileNumber = m_lastFileNumber - 1; fileNumber >= 0; --fileNumber)
64	<	{
65	<	util::nstring currentFileName = buildFileName(fileNumber);
66	<	util::nstring nextFileName = buildFileName(fileNumber + 1);
67	<
68	<	util::File::rename(currentFileName.c_str(), nextFileName.c_str());
69	<	}
70	<
71	<	openLogFile();
72	<	}
73	<
74	<	void openLogFile()
75	<	{
76	<	util::nstring fileName = buildFileName();
77	<	m_fileSize = m_file.open(fileName.c_str());
78	<
79	<	if (0 == m_fileSize)
80	<	{
81	<	int bytesWritten = m_file.write(Converter::header(Formatter::header()));
82	<
83	<	if (bytesWritten > 0)
84	<	{
85	<	m_fileSize += bytesWritten;
86	<	}
87	<	}
88	<	}
89	<
90	<	util::nstring buildFileName(int fileNumber = 0)
91	<	{
92	<	util::nstringstream ss;
93	<	ss << m_fileNameNoExt;
94	<
95	<	if (fileNumber > 0)
96	<	{
97	<	ss << '.' << fileNumber;
98	<	}
99	<
100	<	if (!m_fileExt.empty())
101	<	{
102	<	ss << '.' << m_fileExt;
103	<	}
104	<
105	<	return ss.str();
106	<	}
107	<
108	<	private:
109	<	util::Mutex     m_mutex;
110	<	util::File      m_file;
111	<	off_t           m_fileSize;
112	<	const off_t     m_maxFileSize;
113	<	const int       m_lastFileNumber;
114	<	util::nstring   m_fileExt;
115	<	util::nstring   m_fileNameNoExt;
116	<	bool            m_firstWrite;
117	<	};
118	<	}
1	>	#pragma once
2	>	#include <plog/Appenders/IAppender.h>
3	>	#include <plog/Converters/UTF8Converter.h>
4	>	#include <plog/Util.h>
5	>	#include <algorithm>
6	>
7	>	namespace plog
8	>	{
9	>	template<class Formatter, class Converter = UTF8Converter>
10	>	class RollingFileAppender : public IAppender
11	>	{
12	>	public:
13	>	RollingFileAppender(const util::nchar* fileName, size_t maxFileSize = 0, int maxFiles = 0)
14	>	: m_fileSize()
15	>	, m_maxFileSize((std::max)(static_cast<off_t>(maxFileSize), static_cast<off_t>(1000))) // set a lower limit for the maxFileSize
16	>	, m_lastFileNumber((std::max)(maxFiles - 1, 0))
17	>	, m_firstWrite(true)
18	>	{
19	>	util::splitFileName(fileName, m_fileNameNoExt, m_fileExt);
20	>	}
21	>
22	>	#ifdef _WIN32
23	>	RollingFileAppender(const char* fileName, size_t maxFileSize = 0, int maxFiles = 0)
24	>	: m_fileSize()
25	>	, m_maxFileSize((std::max)(static_cast<off_t>(maxFileSize), static_cast<off_t>(1000))) // set a lower limit for the maxFileSize
26	>	, m_lastFileNumber((std::max)(maxFiles - 1, 0))
27	>	, m_firstWrite(true)
28	>	{
29	>	util::splitFileName(util::toWide(fileName).c_str(), m_fileNameNoExt, m_fileExt);
30	>	}
31	>	#endif
32	>
33	>	virtual void write(const Record& record)
34	>	{
35	>	util::MutexLock lock(m_mutex);
36	>
37	>	if (m_firstWrite)
38	>	{
39	>	openLogFile();
40	>	m_firstWrite = false;
41	>	}
42	>	else if (m_lastFileNumber > 0 && m_fileSize > m_maxFileSize && -1 != m_fileSize)
43	>	{
44	>	rollLogFiles();
45	>	}
46	>
47	>	int bytesWritten = m_file.write(Converter::convert(Formatter::format(record)));
48	>
49	>	if (bytesWritten > 0)
50	>	{
51	>	m_fileSize += bytesWritten;
52	>	}
53	>	}
54	>
55	>	private:
56	>	void rollLogFiles()
57	>	{
58	>	m_file.close();
59	>
60	>	util::nstring lastFileName = buildFileName(m_lastFileNumber);
61	>	util::File::unlink(lastFileName.c_str());
62	>
63	>	for (int fileNumber = m_lastFileNumber - 1; fileNumber >= 0; --fileNumber)
64	>	{
65	>	util::nstring currentFileName = buildFileName(fileNumber);
66	>	util::nstring nextFileName = buildFileName(fileNumber + 1);
67	>
68	>	util::File::rename(currentFileName.c_str(), nextFileName.c_str());
69	>	}
70	>
71	>	openLogFile();
72	>	}
73	>
74	>	void openLogFile()
75	>	{
76	>	util::nstring fileName = buildFileName();
77	>	m_fileSize = m_file.open(fileName.c_str());
78	>
79	>	if (0 == m_fileSize)
80	>	{
81	>	int bytesWritten = m_file.write(Converter::header(Formatter::header()));
82	>
83	>	if (bytesWritten > 0)
84	>	{
85	>	m_fileSize += bytesWritten;
86	>	}
87	>	}
88	>	}
89	>
90	>	util::nstring buildFileName(int fileNumber = 0)
91	>	{
92	>	util::nstringstream ss;
93	>	ss << m_fileNameNoExt;
94	>
95	>	if (fileNumber > 0)
96	>	{
97	>	ss << '.' << fileNumber;
98	>	}
99	>
100	>	if (!m_fileExt.empty())
101	>	{
102	>	ss << '.' << m_fileExt;
103	>	}
104	>
105	>	return ss.str();
106	>	}
107	>
108	>	private:
109	>	util::Mutex     m_mutex;
110	>	util::File      m_file;
111	>	off_t           m_fileSize;
112	>	const off_t     m_maxFileSize;
113	>	const int       m_lastFileNumber;
114	>	util::nstring   m_fileExt;
115	>	util::nstring   m_fileNameNoExt;
116	>	bool            m_firstWrite;
117	>	};
118	>	}

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