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Windows Event Log, error output

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Adding more Event Log support, and modifying the loggers so they return
errors in their operational functions.
This commit is contained in:
brent s.
2022-01-16 02:05:42 -05:00
parent 3d0d420454
commit 39e0a1fd43
18 changed files with 612 additions and 220 deletions
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38
logging/types.go
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@@ -17,11 +17,11 @@ type Logger interface {
Info(s string, v ...interface{}) (err error)
Notice(s string, v ...interface{}) (err error)
Warning(s string, v ...interface{}) (err error)
DoDebug(d bool)
SetPrefix(p string)
GetPrefix() (p string)
Setup()
Shutdown()
DoDebug(d bool) (err error)
SetPrefix(p string) (err error)
GetPrefix() (p string, err error)
Setup() (err error)
Shutdown() (err error)
}
/*
@@ -38,20 +38,42 @@ type StdLogger struct {
EnableDebug bool
// Prefix indicates the prefix for log entries; in shared logs, this helps differentiate the source.
Prefix string
/*
LogFlags control some of the formatting options presented as an OR'd value.
See https://pkg.go.dev/log#pkg-constants for flag details.
e.g.:
*StdLogger.LogFlags = log.Ldate | log.Lmicroseconds | log.Llongfile | log.LUTC // a very detailed log output
*StdLogger.LogFlags = log.Ldate | log.Ltime // the flags used by log.Default() (also available as simply log.LstdFlags)
The default is 0; no flags (no output except prefix if non-empty and message).
You will need to run *StdLogger.Shutdown and then *StdLogger.Setup again if you wish to change this.
*/
LogFlags int
}
// FileLogger uses a StdLogger with a file handle writer to write to the file given at Path.
/*
FileLogger uses a StdLogger with a file handle writer to write to the file given at Path.
NOTE: If you wish to change the FileLogger.StdLogger.LogFlags, do *not* run FileLogger.StdLogger.Setup after doing so as this
will instead create a logger detached from the file handler. Instead, be sure to call FileLogger.Setup.
(Alternatively, run FileLogger.Shutdown and replace your logger with a new FileLogger.)
*/
type FileLogger struct {
// StdLogger is used for the log formation and handling. See StdLogger for more details.
StdLogger
// Path is the path to the logfile.
Path string
/*
EnableStdOut is true if the log will send to STDOUT as well as the file.
EnableStdOut is true if the log will send to STDOUT as well as the file (and STDERR if FileLogger.EnableStdErr == true).
If false (default), it will only (silently) write to the log file.
You will need to run FileLogger.Shutdown and then FileLogger.Setup again if you wish to change this.
*/
EnableStdOut bool
/*
EnableStdErr is true if the log will send to STDERR as well as the file (and STDOUT if FileLogger.EnableStdOut == true).
If false (default), it will only (silently) write to the log file.
You will need to run *FileLogger.Shutdown and then *FileLogger.Setup again if you wish to change this.
*/
EnableStdOut bool
EnableStdErr bool
// writer is used for the writing out of the log file.
writer *os.File
}