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submodule
spdlog
Commits
5ee14906
Commit
5ee14906
authored
Dec 30, 2016
by
Gabi Melman
Committed by
GitHub
Dec 30, 2016
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README.md
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5ee14906
...
...
@@ -7,10 +7,9 @@ Very fast, header only, C++ logging library. [![Build Status](https://travis-ci.
Just copy the source
[
folder
](
https://github.com/gabime/spdlog/tree/master/include/spdlog
)
to your build tree and use a C++11 compiler
## Platforms
*
Linux
(gcc 4.8.1+, clang 3.5+)
*
Windows (v
isual studio
2013+, cygwin/mingw with g++ 4.9.1+)
*
Linux
, FreeBSD, Solaris
*
Windows (v
c
2013+, cygwin/mingw with g++ 4.9.1+)
*
Mac OSX (clang 3.5+)
*
Solaris (gcc 5.2.0+)
*
Android
##Features
...
...
@@ -70,87 +69,87 @@ void user_defined_example();
void
err_handler_example
();
namespace
spd
=
spdlog
;
int
main
(
int
,
char
*
[])
{
try
{
// Console logger with color
auto
console
=
spd
::
stdout_color_mt
(
"console"
);
console
->
info
(
"Welcome to spdlog!"
);
console
->
error
(
"Some error message with arg{}.."
,
1
);
// Formatting examples
console
->
warn
(
"Easy padding in numbers like {:08d}"
,
12
);
console
->
critical
(
"Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}"
,
42
);
console
->
info
(
"Support for floats {:03.2f}"
,
1.23456
);
console
->
info
(
"Positional args are {1} {0}.."
,
"too"
,
"supported"
);
console
->
info
(
"{:<30}"
,
"left aligned"
);
spd
::
get
(
"console"
)
->
info
(
"loggers can be retrieved from a global registry using the spdlog::get(logger_name) function"
);
// Create basic file logger (not rotated)
auto
my_logger
=
spd
::
basic_logger_mt
(
"basic_logger"
,
"logs/basic.txt"
);
my_logger
->
info
(
"Some log message"
);
// Create a file rotating logger with 5mb size max and 3 rotated files
auto
rotating_logger
=
spd
::
rotating_logger_mt
(
"some_logger_name"
,
"logs/mylogfile"
,
1048576
*
5
,
3
);
for
(
int
i
=
0
;
i
<
10
;
++
i
)
rotating_logger
->
info
(
"{} * {} equals {:>10}"
,
i
,
i
,
i
*
i
);
// Create a daily logger - a new file is created every day on 2:30am
auto
daily_logger
=
spd
::
daily_logger_mt
(
"daily_logger"
,
"logs/daily"
,
2
,
30
);
// trigger flush if the log severity is error or higher
daily_logger
->
flush_on
(
spd
::
level
::
err
);
daily_logger
->
info
(
123.44
);
// Customize msg format for all messages
spd
::
set_pattern
(
"*** [%H:%M:%S %z] [thread %t] %v ***"
);
rotating_logger
->
info
(
"This is another message with custom format"
);
// Runtime log levels
spd
::
set_level
(
spd
::
level
::
info
);
//Set global log level to info
console
->
debug
(
"This message shold not be displayed!"
);
console
->
set_level
(
spd
::
level
::
debug
);
// Set specific logger's log level
console
->
debug
(
"This message shold be displayed.."
);
// Compile time log levels
// define SPDLOG_DEBUG_ON or SPDLOG_TRACE_ON
SPDLOG_TRACE
(
console
,
"Enabled only #ifdef SPDLOG_TRACE_ON..{} ,{}"
,
1
,
3.23
);
SPDLOG_DEBUG
(
console
,
"Enabled only #ifdef SPDLOG_DEBUG_ON.. {} ,{}"
,
1
,
3.23
);
// Asynchronous logging is very fast..
// Just call spdlog::set_async_mode(q_size) and all created loggers from now on will be asynchronous..
async_example
();
// syslog example. linux/osx only
syslog_example
();
// android example. compile with NDK
android_example
();
// Log user-defined types example
user_defined_example
();
// Change default log error handler
err_handler_example
();
// Apply a function on all registered loggers
spd
::
apply_all
([
&
](
std
::
shared_ptr
<
spdlog
::
logger
>
l
)
{
l
->
info
(
"End of example."
);
});
// Release and close all loggers
spdlog
::
drop_all
();
}
// Exceptions will only be thrown upon failed logger or sink construction (not during logging)
catch
(
const
spd
::
spdlog_ex
&
ex
)
{
std
::
cout
<<
"Log init failed: "
<<
ex
.
what
()
<<
std
::
endl
;
return
1
;
}
int
main
(
int
,
char
*
[])
{
try
{
// Console logger with color
auto
console
=
spd
::
stdout_color_mt
(
"console"
);
console
->
info
(
"Welcome to spdlog!"
);
console
->
error
(
"Some error message with arg{}.."
,
1
);
// Formatting examples
console
->
warn
(
"Easy padding in numbers like {:08d}"
,
12
);
console
->
critical
(
"Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}"
,
42
);
console
->
info
(
"Support for floats {:03.2f}"
,
1.23456
);
console
->
info
(
"Positional args are {1} {0}.."
,
"too"
,
"supported"
);
console
->
info
(
"{:<30}"
,
"left aligned"
);
spd
::
get
(
"console"
)
->
info
(
"loggers can be retrieved from a global registry using the spdlog::get(logger_name) function"
);
// Create basic file logger (not rotated)
auto
my_logger
=
spd
::
basic_logger_mt
(
"basic_logger"
,
"logs/basic.txt"
);
my_logger
->
info
(
"Some log message"
);
// Create a file rotating logger with 5mb size max and 3 rotated files
auto
rotating_logger
=
spd
::
rotating_logger_mt
(
"some_logger_name"
,
"logs/mylogfile"
,
1048576
*
5
,
3
);
for
(
int
i
=
0
;
i
<
10
;
++
i
)
rotating_logger
->
info
(
"{} * {} equals {:>10}"
,
i
,
i
,
i
*
i
);
// Create a daily logger - a new file is created every day on 2:30am
auto
daily_logger
=
spd
::
daily_logger_mt
(
"daily_logger"
,
"logs/daily"
,
2
,
30
);
// trigger flush if the log severity is error or higher
daily_logger
->
flush_on
(
spd
::
level
::
err
);
daily_logger
->
info
(
123.44
);
// Customize msg format for all messages
spd
::
set_pattern
(
"*** [%H:%M:%S %z] [thread %t] %v ***"
);
rotating_logger
->
info
(
"This is another message with custom format"
);
// Runtime log levels
spd
::
set_level
(
spd
::
level
::
info
);
//Set global log level to info
console
->
debug
(
"This message shold not be displayed!"
);
console
->
set_level
(
spd
::
level
::
debug
);
// Set specific logger's log level
console
->
debug
(
"This message shold be displayed.."
);
// Compile time log levels
// define SPDLOG_DEBUG_ON or SPDLOG_TRACE_ON
SPDLOG_TRACE
(
console
,
"Enabled only #ifdef SPDLOG_TRACE_ON..{} ,{}"
,
1
,
3.23
);
SPDLOG_DEBUG
(
console
,
"Enabled only #ifdef SPDLOG_DEBUG_ON.. {} ,{}"
,
1
,
3.23
);
// Asynchronous logging is very fast..
// Just call spdlog::set_async_mode(q_size) and all created loggers from now on will be asynchronous..
async_example
();
// syslog example. linux/osx only
syslog_example
();
// android example. compile with NDK
android_example
();
// Log user-defined types example
user_defined_example
();
// Change default log error handler
err_handler_example
();
// Apply a function on all registered loggers
spd
::
apply_all
([
&
](
std
::
shared_ptr
<
spdlog
::
logger
>
l
)
{
l
->
info
(
"End of example."
);
});
// Release and close all loggers
spdlog
::
drop_all
();
}
// Exceptions will only be thrown upon failed logger or sink construction (not during logging)
catch
(
const
spd
::
spdlog_ex
&
ex
)
{
std
::
cout
<<
"Log init failed: "
<<
ex
.
what
()
<<
std
::
endl
;
return
1
;
}
}
void
async_example
()
...
...
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