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package kbchat
import (
"fmt"
"log"
"time"
)
func ErrToOK(err *error) string {
if err == nil || *err == nil {
return "ok"
}
return fmt.Sprintf("ERROR: %v", *err)
}
type DebugOutput struct {
name string
}
func NewDebugOutput(name string) *DebugOutput {
return &DebugOutput{
name: name,
}
}
func (d *DebugOutput) Debug(format string, args ...interface{}) {
msg := fmt.Sprintf(format, args...)
log.Printf("%s: %s\n", d.name, msg)
}
func (d *DebugOutput) Trace(err *error, format string, args ...interface{}) func() {
msg := fmt.Sprintf(format, args...)
start := time.Now()
log.Printf("+ %s: %s\n", d.name, msg)
return func() {
log.Printf("- %s: %s -> %s [time=%v]\n", d.name, msg, ErrToOK(err), time.Since(start))
}
}
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