150 lines
3.6 KiB
Groff
150 lines
3.6 KiB
Groff
|
.\" Written by David Fort (contact@hardening-consulting.com)
|
||
|
|
.\" Process this file with
|
||
|
|
.\" groff -man -Tascii foo.1
|
||
|
|
.\"
|
||
|
|
.TH wLog 13 "June 2016" Version "1.0"
|
||
|
|
.SH NAME
|
||
|
|
wLog \- WinPR logging facility
|
||
|
|
|
||
|
|
.SH DESCRIPTION
|
||
|
|
wLog is a configurable and flexible logging system used throughout WinPR and
|
||
|
|
FreeRDP.
|
||
|
|
|
||
|
|
The primary concept is to have a hierarchy of loggers that can be be configured
|
||
|
|
independently.
|
||
|
|
|
||
|
|
.SH Appenders
|
||
|
|
|
||
|
|
WLog uses different appenders that define where the log output should be written
|
||
|
|
to. If the application doesn't explicitly configure the appenders the below
|
||
|
|
described variable WLOG_APPENDER can be used to choose one appender.
|
||
|
|
|
||
|
|
The following kind of appenders are available:
|
||
|
|
|
||
|
|
.IP Binary
|
||
|
|
Write the log data into a binary format file.
|
||
|
|
|
||
|
|
.IP Console
|
||
|
|
The console appender writes to the console. Depending of the operating system
|
||
|
|
the application runs on, the output might be handled differently. For example
|
||
|
|
on android log print would be used.
|
||
|
|
|
||
|
|
.IP File
|
||
|
|
The file appender writes the textual output to a file.
|
||
|
|
|
||
|
|
.IP Udp
|
||
|
|
This appender sends the logging messages to a pre-defined remote host via UDP.
|
||
|
|
|
||
|
|
If no target is set the default one 127.0.0.1:20000 is used. To receive the
|
||
|
|
log messages one can use netcat. To receive the default target the following
|
||
|
|
command can be used:
|
||
|
|
nc -u 127.0.0.1 -p 20000 -l
|
||
|
|
.IP Syslog
|
||
|
|
Use syslog for outputting the debug messages.
|
||
|
|
.IP Journald
|
||
|
|
This appender outputs messages to journald.
|
||
|
|
|
||
|
|
.SH Levels
|
||
|
|
The WLog are complementary, the higher level always includes the lower ones.
|
||
|
|
The level list below is top down. Top the highest level.
|
||
|
|
|
||
|
|
.IP TRACE
|
||
|
|
print everything including packets dumps
|
||
|
|
.IP DEBUG
|
||
|
|
debug messages
|
||
|
|
.IP INFO
|
||
|
|
general informations
|
||
|
|
.IP WARN
|
||
|
|
warnings
|
||
|
|
.IP ERROR
|
||
|
|
errors
|
||
|
|
.IP FATAL
|
||
|
|
fatal problems
|
||
|
|
.IP OFF
|
||
|
|
completely disable the wlog output
|
||
|
|
|
||
|
|
.SH Formats
|
||
|
|
The format a logger prints has the following possible options:
|
||
|
|
|
||
|
|
.IP lv
|
||
|
|
log level
|
||
|
|
.IP mn
|
||
|
|
module name
|
||
|
|
.IP fl
|
||
|
|
file name
|
||
|
|
.IP fn
|
||
|
|
function
|
||
|
|
.IP ln
|
||
|
|
line number
|
||
|
|
.IP pid
|
||
|
|
process id
|
||
|
|
.IP tid
|
||
|
|
thread id
|
||
|
|
.IP yr
|
||
|
|
year
|
||
|
|
.IP mo
|
||
|
|
month
|
||
|
|
.IP dw
|
||
|
|
day of week
|
||
|
|
.IP hr
|
||
|
|
hour
|
||
|
|
.IP mi
|
||
|
|
minute
|
||
|
|
.IP se
|
||
|
|
second
|
||
|
|
.IP ml
|
||
|
|
millisecond
|
||
|
|
.PP
|
||
|
|
A maximum of 16 options can be used per format string.
|
||
|
|
|
||
|
|
An example that generally sets the WLOG_PREFIX for xfreerdp would look like:
|
||
|
|
WLOG_PREFIX="pid=%pid:tid=%tid:fn=%fn -" xfreerdp /v:xxx
|
||
|
|
|
||
|
|
|
||
|
|
.SH ENVIRONMENT
|
||
|
|
.IP WLOG_APPENDER
|
||
|
|
The kind of appender, the accepted values are: CONSOLE, FILE, BINARY, SYSLOG, JOURNALD or UDP
|
||
|
|
|
||
|
|
.IP WLOG_PREFIX
|
||
|
|
configure the prefix used for outputting the message (see Format for more details and examples)
|
||
|
|
|
||
|
|
.IP WLOG_LEVEL
|
||
|
|
the level to output messages for
|
||
|
|
|
||
|
|
.IP WLOG_FILTER
|
||
|
|
sets a filter for WLog messages. Only the filtered messages are
|
||
|
|
printed. The format of the filter is a serie of \<logger name\>:\<level\> separated by
|
||
|
|
comas
|
||
|
|
|
||
|
|
example: WLOG_FILTER=core.channel:DEBUG,dummy:TRACE
|
||
|
|
will display debug messages for the core.channel logger and trace level for the dummy logger
|
||
|
|
|
||
|
|
.IP WLOG_FILEAPPENDER_OUTPUT_FILE_PATH
|
||
|
|
When using the file appender it may contains the output log file's path
|
||
|
|
|
||
|
|
.IP WLOG_FILEAPPENDER_OUTPUT_FILE_NAME
|
||
|
|
When using the file appender it may contains the output log file's name
|
||
|
|
|
||
|
|
.IP WLOG_JOURNALD_ID
|
||
|
|
When using the systemd journal appender, this variable contains the id used with
|
||
|
|
the journal (by default the executable's name)
|
||
|
|
|
||
|
|
.IP WLOG_UDP_TARGET
|
||
|
|
target to use for the UDP appender in the format
|
||
|
|
.B host:port
|
||
|
|
|
||
|
|
.SH BUGS
|
||
|
|
Please report any bugs using the bug reporting form on the
|
||
|
|
.B FreeRDP
|
||
|
|
web site
|
||
|
|
|
||
|
|
.SH "SEE ALSO"
|
||
|
|
Additional information and the latest version is available
|
||
|
|
at the web site:
|
||
|
|
.B http://www.freerdp.com
|
||
|
|
|
||
|
|
.SH AUTHOR
|
||
|
|
David Fort <contact@hardening-consulting.com> wrote this manpage from materials written
|
||
|
|
by Bernhard Miklautz <bernhard.miklautz@thincast.com>.
|
||
|
|
|