go_goutils/logging/funcs_std.go

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package logging
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import (
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"fmt"
"log"
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)
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// Setup sets up/configures a StdLogger and prepares it for use.
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func (l *StdLogger) Setup() {
l.Logger = log.Default()
l.Logger.SetPrefix(l.Prefix + " ")
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}
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// Shutdown cleanly shuts down a StdLogger.
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func (l *StdLogger) Shutdown() {
// NOOP
_ = ""
}
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// GetPrefix returns the prefix used by this StdLogger.
func (l *StdLogger) GetPrefix() (prefix string) {
prefix = l.Prefix
return
}
/*
DoDebug sets the debug state of this StdLogger.
Note that this merely acts as a *safety filter* for debug messages to avoid sensitive information being written to the log.
*/
func (l *StdLogger) DoDebug(d bool) {
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l.EnableDebug = d
}
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// SetPrefix sets the prefix for this StdLogger.
func (l *StdLogger) SetPrefix(prefix string) {
l.Prefix = prefix + " "
l.Logger.SetPrefix(prefix + " ")
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}
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// Alert writes an ALERT-level message to this StdLogger.
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func (l *StdLogger) Alert(s string, v ...interface{}) (err error) {
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var msg string
if v != nil {
msg = fmt.Sprintf(s, v...)
} else {
msg = s
}
l.renderWrite(msg, "ALERT")
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return
}
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// Crit writes an CRITICAL-level message to this StdLogger.
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func (l *StdLogger) Crit(s string, v ...interface{}) (err error) {
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var msg string
if v != nil {
msg = fmt.Sprintf(s, v...)
} else {
msg = s
}
l.renderWrite(msg, "CRITICAL")
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return
}
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// Debug writes a DEBUG-level message to this StdLogger.
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func (l *StdLogger) Debug(s string, v ...interface{}) (err error) {
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if !l.EnableDebug {
return
}
var msg string
if v != nil {
msg = fmt.Sprintf(s, v...)
} else {
msg = s
}
l.renderWrite(msg, "DEBUG")
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return
}
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// Emerg writes an EMERGENCY-level message to this StdLogger.
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func (l *StdLogger) Emerg(s string, v ...interface{}) (err error) {
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var msg string
if v != nil {
msg = fmt.Sprintf(s, v...)
} else {
msg = s
}
l.renderWrite(msg, "EMERGENCY")
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return
}
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// Err writes an ERROR-level message to this StdLogger.
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func (l *StdLogger) Err(s string, v ...interface{}) (err error) {
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var msg string
if v != nil {
msg = fmt.Sprintf(s, v...)
} else {
msg = s
}
l.renderWrite(msg, "ERROR")
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return
}
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// Info writes an INFO-level message to this StdLogger.
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func (l *StdLogger) Info(s string, v ...interface{}) (err error) {
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var msg string
if v != nil {
msg = fmt.Sprintf(s, v...)
} else {
msg = s
}
l.renderWrite(msg, "INFO")
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return
}
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// Notice writes a NOTICE-level message to this StdLogger.
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func (l *StdLogger) Notice(s string, v ...interface{}) (err error) {
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var msg string
if v != nil {
msg = fmt.Sprintf(s, v...)
} else {
msg = s
}
l.renderWrite(msg, "NOTICE")
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return
}
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// Warning writes a WARNING/WARN-level message to this StdLogger.
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func (l *StdLogger) Warning(s string, v ...interface{}) (err error) {
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var msg string
if v != nil {
msg = fmt.Sprintf(s, v...)
} else {
msg = s
}
l.renderWrite(msg, "WARNING")
return
}
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// renderWrite prepares/formats a log message to be written to this StdLogger.
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func (l *StdLogger) renderWrite(msg, prio string) {
s := fmt.Sprintf("[%v] %v", prio, msg)
l.Logger.Println(s)
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return
}