Added pattern formatter and updated related stuff

This commit is contained in:
gabi 2014-10-14 03:44:40 +03:00
parent 793d16d547
commit 481fdbcbb1
9 changed files with 351 additions and 53 deletions

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@ -57,6 +57,7 @@
<Link>
<SubSystem>Console</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<Profile>true</Profile>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@ -88,6 +89,7 @@
<ClInclude Include="..\..\include\c11log\details\blocking_queue.h" />
<ClInclude Include="..\..\include\c11log\details\fast_oss.h" />
<ClInclude Include="..\..\include\c11log\details\flush_helper.h" />
<ClInclude Include="..\..\include\c11log\details\fast_istostr.h" />
<ClInclude Include="..\..\include\c11log\details\line_logger.h" />
<ClInclude Include="..\..\include\c11log\details\log_msg.h" />
<ClInclude Include="..\..\include\c11log\details\null_mutex.h" />
@ -96,6 +98,7 @@
<ClInclude Include="..\..\include\c11log\factory.h" />
<ClInclude Include="..\..\include\c11log\formatter.h" />
<ClInclude Include="..\..\include\c11log\logger.h" />
<ClInclude Include="..\..\include\c11log\pattern_formatter.h" />
<ClInclude Include="..\..\include\c11log\sinks\async_sink.h" />
<ClInclude Include="..\..\include\c11log\sinks\base_sink.h" />
<ClInclude Include="..\..\include\c11log\sinks\ostream_sink.h" />

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@ -90,6 +90,12 @@
<ClInclude Include="..\..\include\c11log\factory.h">
<Filter>Header Files\c11log</Filter>
</ClInclude>
<ClInclude Include="..\..\include\c11log\pattern_formatter.h">
<Filter>Header Files\c11log\sinks</Filter>
</ClInclude>
<ClInclude Include="..\..\include\c11log\details\fast_istostr.h">
<Filter>Header Files\c11log\details</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="stdafx.cpp">

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@ -2,6 +2,7 @@
//
#include <mutex>
#include "c11log/logger.h"
#include "c11log/pattern_formatter.h"
#include "c11log/sinks/async_sink.h"
#include "c11log/sinks/file_sinks.h"
#include "c11log/sinks/stdout_sinks.h"
@ -15,26 +16,27 @@ using namespace c11log;
using namespace utils;
int main2(int argc, char* argv[])
int main(int argc, char* argv[])
{
const unsigned int howmany = argc <= 1 ? 500000 : atoi(argv[1]);
const unsigned int howmany = argc <= 1 ? 1000000 : atoi(argv[1]);
std::string pattern = "%Y:%m:%d %H:%M:%S.%e [%n:%l] %t";
auto formatter1 = std::unique_ptr<formatters::formatter>(new formatters::pattern_formatter(pattern));
logger cout_logger("example", std::make_shared<sinks::stderr_sink_mt>());
logger cout_logger("bench", std::make_shared<sinks::stderr_sink_mt>() , std::move(formatter1));
cout_logger.info() << "Hello logger";
auto nullsink = std::make_shared<sinks::null_sink<details::null_mutex>>();
logger my_logger("my_logger", nullsink);
auto formatter2 = std::unique_ptr<formatters::formatter>(new formatters::pattern_formatter(pattern));
logger my_logger("my_logger", nullsink, std::move(formatter2));
//logger my_logger("my_logger", nullsink);
auto start = system_clock::now();
for (unsigned int i = 1; i <= howmany; ++i)
my_logger.info() << "Hello logger: msg #" << i << 1<<2<<3<<4<<5<<6<<7<<8<<9<<10<<11<<12<<13<<14<<15<<16<<17<<18<<19;
//my_logger.info("Hello logger: msg #",i,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19);
my_logger.info() << "Hello logger: msg #" << i;
auto delta = system_clock::now() - start;

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@ -9,7 +9,7 @@
#include "c11log/sinks/file_sinks.h"
using namespace std;
int main(int argc, char* argv[])
int main2(int argc, char* argv[])
{
auto console = c11log::factory::stdout_logger();
@ -30,6 +30,6 @@ int main(int argc, char* argv[])
auto sink1= std::make_shared<c11log::sinks::stdout_sink_mt>();
auto sink2 = std::make_shared<c11log::sinks::daily_file_sink_mt>("rotating", "txt");
c11log::logger combined("combined", { sink1, sink2 });
return 0;
}

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@ -5,8 +5,10 @@
#include <ostream>
#include <iomanip>
#include "fast_istostr.h"
#include "stack_buf.h"
namespace c11log
{
namespace details
@ -15,7 +17,7 @@ namespace details
class stack_devicebuf :public std::streambuf
{
public:
static const unsigned short stack_size = 192;
static const unsigned short stack_size = 256;
using stackbuf_t = stack_buf<stack_size>;
stack_devicebuf() = default;
@ -103,6 +105,29 @@ public:
_dev.clear();
}
// The following were added because they add significant boost to perfromance
void putc(char c)
{
_dev.sputc(c);
}
// put int and pad with zeroes if smalled than min_width
void put_int(int n, int min_width)
{
std::string s;
details::fast_itostr(n, s, min_width);
_dev.sputn(s.data(), s.size());
//sprintf_s(buf, "%d", n);
//_dev.sputn(buf, width);
}
void put_str(const std::string& str)
{
_dev.sputn(str.data(), str.size());
}
private:
stack_devicebuf _dev;
};

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@ -45,6 +45,7 @@ public:
{
_log_msg.logger_name = _callback_logger->name();
_log_msg.time = log_clock::now();
_log_msg.tm_time = details::os::localtime(log_clock::to_time_t(_log_msg.time));
_log_msg.raw = _oss.str();
_callback_logger->_log_msg(_log_msg);
}

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@ -14,6 +14,7 @@ struct log_msg
logger_name(),
level(l),
time(),
tm_time(),
raw(),
formatted() {}
@ -21,6 +22,7 @@ struct log_msg
logger_name(other.logger_name),
level(other.level),
time(other.time),
tm_time(other.tm_time),
raw(other.raw),
formatted(other.formatted) {}
@ -35,6 +37,7 @@ struct log_msg
swap(l.logger_name, r.logger_name);
swap(l.level, r.level);
swap(l.time, r.time);
swap(l.tm_time, r.tm_time);
swap(l.raw, r.raw);
swap(l.formatted, r.formatted);
}
@ -56,9 +59,11 @@ struct log_msg
std::string logger_name;
level::level_enum level;
log_clock::time_point time;
std::tm tm_time;
std::string raw;
std::string formatted;
};
}
}

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@ -33,7 +33,7 @@ public:
void format(details::log_msg& msg) override
{
details::fast_oss oss;
_format_time(msg.time, oss);
_format_time(msg, oss);
if(!msg.logger_name.empty())
oss << " [" << msg.logger_name << ':' << c11log::level::to_str(msg.level) << "] ";
@ -44,7 +44,7 @@ public:
msg.formatted = oss.str();
}
private:
void _format_time(const log_clock::time_point& tp, std::ostream& output);
void _format_time(const details::log_msg& msg, std::ostream &output);
};
@ -53,44 +53,15 @@ private:
} //namespace c11log
// Format datetime like this: [2014-03-14 17:15:22]
inline void c11log::formatters::default_formatter::_format_time(const log_clock::time_point& tp, std::ostream &output)
inline void c11log::formatters::default_formatter::_format_time(const details::log_msg& msg, std::ostream &output)
{
using namespace c11log::details::os;
using namespace std::chrono;
#ifdef _WIN32 //VS2013 doesn't support yet thread_local keyword
__declspec(thread) static char s_cache_timestr[128];
__declspec(thread) static int s_cache_timesize = 0;
__declspec(thread) static std::time_t s_cache_time_t = 0;
#else
thread_local static char s_cache_timestr[128];
thread_local static int s_cache_timesize = 0;
thread_local static std::time_t s_cache_time_t = 0;
#endif
//Cache every second
std::time_t tp_time_t = log_clock::to_time_t(tp);
if(tp_time_t != s_cache_time_t)
{
auto tm_now = details::os::localtime(tp_time_t);
std::ostringstream time_oss;
time_oss.fill('0');
time_oss << '[' << tm_now.tm_year + 1900 << '-';
time_oss.width(2);
time_oss << tm_now.tm_mon + 1 << '-';
time_oss.width(2);
time_oss << tm_now.tm_mday << ' ';
time_oss.width(2);
time_oss << tm_now.tm_hour << ':';
time_oss.width(2);
time_oss << tm_now.tm_min << ':';
time_oss.width(2);
time_oss << tm_now.tm_sec << ']';
//Cache the resulted string and its size
s_cache_time_t = tp_time_t;
const std::string s = time_oss.str();
s_cache_timesize = s.size();
std::memcpy(s_cache_timestr, s.c_str(), s_cache_timesize);
}
output.write(s_cache_timestr, s_cache_timesize);
output.fill('0');
output << '[' << msg.tm_time.tm_year + 1900 << '-';
output.width(2);
output << msg.tm_time.tm_mon + 1 << '-';
output << msg.tm_time.tm_mday << ' ';
output << msg.tm_time.tm_hour << ':';
output << msg.tm_time.tm_min << ':';
output << msg.tm_time.tm_sec << ']';
}

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@ -0,0 +1,285 @@
#pragma once
#include <string>
#include <chrono>
#include <memory>
#include <vector>
#include "formatter.h"
#include "details/log_msg.h"
#include "details/fast_oss.h"
namespace c11log
{
namespace details {
class pattern_appender
{
public:
virtual void append(const details::log_msg& msg, details::fast_oss& oss) = 0;
};
// log name appender
class name_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss << msg.logger_name;
}
};
// log level appender
class level_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss << level::to_str(msg.level);
}
};
///////////////////////////////////////////////////////////////////////
// Date time pattern appenders
///////////////////////////////////////////////////////////////////////
// year - 4 digit
class Y_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss.put_int(msg.tm_time.tm_year+1900, 4);
}
};
// year - 2 digit
class y_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss.put_int(msg.tm_time.tm_year, 2);
}
};
// month 1-12
class m_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss.put_int(msg.tm_time.tm_mon + 1, 2);
}
};
// day of month 1-31
class d_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss.put_int(msg.tm_time.tm_mday, 2);
}
};
// hours in 24 format 0-23
class H_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss.put_int(msg.tm_time.tm_hour, 2);
}
};
// hours in 12 format 1-12
class I_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss.put_int((msg.tm_time.tm_hour + 1) % 1, 2);
}
};
// ninutes 0-59
class M_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss.put_int(msg.tm_time.tm_min, 2);
}
};
// seconds 0-59
class S_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss.put_int(msg.tm_time.tm_sec, 2);
}
};
// milliseconds
class e_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
auto duration = msg.time.time_since_epoch();
auto millis = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count() % 1000;
oss.put_int(millis, 3);
}
};
class t_appender :public pattern_appender
{
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss.put_str(msg.raw);
}
};
class ch_appender :public pattern_appender
{
public:
explicit ch_appender(char ch) : _ch(ch)
{}
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss.putc( _ch);
}
private:
char _ch;
};
class str_appender :public pattern_appender
{
public:
str_appender()
{}
void add_ch(char ch)
{
_str += ch;
}
void append(const details::log_msg& msg, details::fast_oss& oss) override
{
oss << _str;
}
private:
std::string _str;
};
}
namespace formatters
{
class pattern_formatter : public formatter
{
public:
explicit pattern_formatter(const std::string& pattern);
pattern_formatter(const pattern_formatter&) = delete;
void format(details::log_msg& msg) override;
private:
const std::string _pattern;
std::vector<std::unique_ptr<details::pattern_appender>> _appenders;
void handle_flag(char flag);
void compile_pattern(const std::string& pattern);
};
}
}
c11log::formatters::pattern_formatter::pattern_formatter(const std::string& pattern)
{
compile_pattern(pattern);
}
void c11log::formatters::pattern_formatter::compile_pattern(const std::string& pattern)
{
auto end = pattern.end();
for (auto it = pattern.begin(); it != end; ++it)
{
if (*it == '%')
{
if (++it != end)
handle_flag(*it);
else
return;
}
else
{
// chars not following the % sign should be displayed as is
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::ch_appender(*it)));
}
}
}
void c11log::formatters::pattern_formatter::handle_flag(char flag)
{
switch (flag)
{
// logger name
case 'n':
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::name_appender()));
break;
// message log level
case 'l':
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::level_appender()));
break;
// message text
case('t') :
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::t_appender()));
break;
// year
case('Y') :
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::Y_appender()));
break;
// year 2 digits
case('y') :
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::y_appender()));
break;
// month
case('m') :
// minute
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::m_appender()));
break;
// day in month
case('d') :
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::d_appender()));
break;
// hour (24)
case('H') :
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::H_appender()));
break;
// hour (12)
case('I') :
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::I_appender()));
break;
// minutes
case('M') :
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::M_appender()));
break;
// seconds
case('S') :
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::S_appender()));
break;
// milliseconds part
case('e'):
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::e_appender()));
break;
// % sign
case('%') :
_appenders.push_back(std::unique_ptr<details::pattern_appender>(new details::ch_appender('%')));
break;
}
}
void c11log::formatters::pattern_formatter::format(details::log_msg& msg)
{
details::fast_oss oss;
for (auto &appender : _appenders)
{
appender->append(msg, oss);
}
oss.write(details::os::eol(), details::os::eol_size());
msg.formatted = oss.str();
}