Python 7.0pl5 Benutzerhandbuch
13
Logging Facility
The logging facility provides you with a mechanism for generating and capturing messages generated
by your application. These can be automatically saved to a log file, or intercepted and dealt with in
some other way. The majority of functionality for this feature is provided by the
by your application. These can be automatically saved to a log file, or intercepted and dealt with in
some other way. The majority of functionality for this feature is provided by the
OTC_Logger
class
in the OSE C++ class library.
Some of the features of the logging facility are optional and controlled via environment variables. You
should consult the manual page for the
should consult the manual page for the
OTC_Logger
class and the general OSE C++ class library
manual as a number of these features will not be described here or covered only briefly.
Logging a Message
The logging facility provides you with the ability to log a message string with a specified priority or
level assigned to it. The level is analogous to that used by the UNIX function called "
level assigned to it. The level is analogous to that used by the UNIX function called "
syslog()
".
Level
Usage
LOG_EMERGENCY
A panic condition.
LOG_ALERT
A condition that should be corrected immediately,
such as a corrupted system database.
such as a corrupted system database.
LOG_CRITICAL
Critical conditions, such as hard device errors.
LOG_ERROR
Errors.
LOG_WARNING
Warning messages.