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fix: visits no exists log causing high CPU load

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Closes #108
This commit is contained in:
0xJacky 2023-05-01 10:36:34 +08:00
parent fda04b9576
commit 2c675be774
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GPG key ID: B6E4A6E4A561BAF0
1 changed files with 14 additions and 13 deletions
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27
server/api/nginx_log.go
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@ -2,6 +2,7 @@ package api
import (
"encoding/json"
"github.com/0xJacky/Nginx-UI/server/pkg/helper"
"github.com/0xJacky/Nginx-UI/server/pkg/nginx"
"github.com/0xJacky/Nginx-UI/server/settings"
"github.com/gin-gonic/gin"
@ -163,11 +164,6 @@ func tailNginxLog(ws *websocket.Conn, controlChan chan controlStruct, errChan ch
defer func() {
if err := recover(); err != nil {
log.Println("tailNginxLog recovery", err)
err = ws.WriteMessage(websocket.TextMessage, err.([]byte))
if err != nil {
log.Println(err)
return
}
return
}
}()
@ -187,12 +183,17 @@ func tailNginxLog(ws *websocket.Conn, controlChan chan controlStruct, errChan ch
Whence: io.SeekEnd,
}
if !helper.FileExists(logPath) {
errChan <- errors.New("error log path not exists")
return
}
// Create a tail
t, err := tail.TailFile(logPath, tail.Config{Follow: true,
ReOpen: true, Location: &seek})
if err != nil {
errChan <- errors.Wrap(err, "error NginxAccessLog Tail")
errChan <- errors.Wrap(err, "error tailing log")
return
}
@ -208,7 +209,7 @@ func tailNginxLog(ws *websocket.Conn, controlChan chan controlStruct, errChan ch
err = ws.WriteMessage(websocket.TextMessage, []byte(line.Text))
if err != nil && websocket.IsUnexpectedCloseError(err, websocket.CloseNormalClosure) {
errChan <- errors.Wrap(err, "error NginxAccessLog write message")
errChan <- errors.Wrap(err, "error tailNginxLog write message")
return
}
case control = <-controlChan:
@ -225,27 +226,27 @@ func tailNginxLog(ws *websocket.Conn, controlChan chan controlStruct, errChan ch
func handleLogControl(ws *websocket.Conn, controlChan chan controlStruct, errChan chan error) {
defer func() {
if err := recover(); err != nil {
log.Println("tailNginxLog recovery", err)
log.Println("handleLogControl recovery", err)
return
}
}()
for {
msgType, payload, err := ws.ReadMessage()
if err != nil {
errChan <- errors.Wrap(err, "error NginxAccessLog read message")
if err != nil && websocket.IsUnexpectedCloseError(err, websocket.CloseNormalClosure) {
errChan <- errors.Wrap(err, "error handleLogControl read message")
return
}
if msgType != websocket.TextMessage {
errChan <- errors.New("error NginxAccessLog message type")
errChan <- errors.New("error handleLogControl message type")
return
}
var msg controlStruct
err = json.Unmarshal(payload, &msg)
if err != nil {
errChan <- errors.Wrap(err, "Error ReadWsAndWritePty json.Unmarshal")
errChan <- errors.Wrap(err, "error ReadWsAndWritePty json.Unmarshal")
return
}
controlChan <- msg
@ -261,7 +262,7 @@ func NginxLog(c *gin.Context) {
// upgrade http to websocket
ws, err := upGrader.Upgrade(c.Writer, c.Request, nil)
if err != nil {
log.Println("[Error] NginxAccessLog Upgrade", err)
log.Println("[Error] NginxLog Upgrade", err)
return
}