mirror of
https://github.com/criyle/go-judge.git
synced 2025-11-04 14:50:02 +08:00
86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/criyle/go-judge/cmd/executorserver/model"
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/gorilla/websocket"
|
|
)
|
|
|
|
var upgrader = websocket.Upgrader{
|
|
CheckOrigin: func(r *http.Request) bool {
|
|
return true
|
|
},
|
|
}
|
|
|
|
const (
|
|
writeWait = 10 * time.Second
|
|
pongWait = 60 * time.Second
|
|
pingPeriod = 50 * time.Second
|
|
)
|
|
|
|
func handleWS(c *gin.Context) {
|
|
conn, err := upgrader.Upgrade(c.Writer, c.Request, nil)
|
|
if err != nil {
|
|
c.Error(err)
|
|
c.AbortWithStatusJSON(http.StatusBadRequest, err.Error())
|
|
return
|
|
}
|
|
resultCh := make(chan model.Response, 128)
|
|
// read request
|
|
go func() {
|
|
defer conn.Close()
|
|
conn.SetReadDeadline(time.Now().Add(pongWait))
|
|
conn.SetPongHandler(func(string) error {
|
|
conn.SetReadDeadline(time.Now().Add(pongWait))
|
|
return nil
|
|
})
|
|
|
|
ctx, cancel := context.WithCancel(context.TODO())
|
|
defer cancel()
|
|
|
|
for {
|
|
req := new(model.Request)
|
|
if err := conn.ReadJSON(req); err != nil {
|
|
printLog("ws read:", err)
|
|
return
|
|
}
|
|
r, err := model.ConvertRequest(req)
|
|
if err != nil {
|
|
printLog("convert", err)
|
|
return
|
|
}
|
|
go func() {
|
|
ret := <-work.Submit(ctx, r)
|
|
execObserve(ret)
|
|
resultCh <- model.ConvertResponse(ret)
|
|
}()
|
|
}
|
|
}()
|
|
|
|
// write result
|
|
go func() {
|
|
defer conn.Close()
|
|
ticker := time.NewTicker(pingPeriod)
|
|
defer ticker.Stop()
|
|
for {
|
|
select {
|
|
case r := <-resultCh:
|
|
conn.SetWriteDeadline(time.Now().Add(writeWait))
|
|
if err := conn.WriteJSON(r); err != nil {
|
|
printLog("ws write:", err)
|
|
return
|
|
}
|
|
case <-ticker.C:
|
|
conn.SetWriteDeadline(time.Now().Add(writeWait))
|
|
if err := conn.WriteMessage(websocket.PingMessage, nil); err != nil {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}()
|
|
}
|