Hello,
I have a software needing a lot of logs when processing.
I need to :
1- Improve the processing time by doing non-blocking logs
2- Be safe with goroutines parallel logs
fmt package doesn't match with (1) & (2)
log package doesn't match with (1)
*Here is my proposal. What do you think ?*
*Design :*
[Log functions] -----channel---->[Buffering function (goroutine)]
----channel----> [Printing function (goroutine)]
package glog
import (
"container/list"
"encoding/json"
"fmt"
)
/*
** Public
*/
func Println(data ...interface{}) {
bufferChan <- fmt.Sprintln(data...)
}
func Print(data ...interface{}) {
bufferChan <- fmt.Sprint(data...)
}
func Printf(s string, data ...interface{}) {
go func() {
r := fmt.Sprintf(s, data...)
bufferChan <- r
}()
}
/*
** Private
*/
var bufferChan chan string
var outChan chan string
func init() {
bufferChan = make(chan string)
outChan = make(chan string)
go centrale()
go buffout()
}
func centrale() {
var buff *list.List
buff = list.New()
for {
if buff.Len() > 0 {
select {
case outChan <- buff.Front().Value.(string):
buff.Remove(buff.Front())
case tmp := <-bufferChan:
buff.PushBack(tmp)
}
} else {
tmp := <-bufferChan
buff.PushBack(tmp)
}
}
}
func buffout() {
for {
data := <-outChan
fmt.Print(data)
}
}
It works well for now, I want to be sure to not miss anything as it's a
very important part of the code.
Thank you for your review.
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