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go-zero/example/graceful/etcd/api/handler/gracefulhandler.go

44 lines
1.0 KiB
Go

package handler
import (
"context"
"fmt"
"net/http"
"os"
"time"
"zero/core/executors"
"zero/core/logx"
"zero/example/graceful/etcd/api/svc"
"zero/example/graceful/etcd/api/types"
"zero/example/graceful/etcd/rpc/graceful"
"zero/rest/httpx"
)
func gracefulHandler(ctx *svc.ServiceContext) http.HandlerFunc {
logger := executors.NewLessExecutor(time.Second)
return func(w http.ResponseWriter, r *http.Request) {
host, err := os.Hostname()
if err != nil {
http.Error(w, http.StatusText(http.StatusNotImplemented), http.StatusNotImplemented)
return
}
conn := ctx.Client.Conn()
client := graceful.NewGraceServiceClient(conn)
rp, err := client.Grace(context.Background(), &graceful.Request{From: host})
if err != nil {
logx.Error(err)
http.Error(w, http.StatusText(http.StatusBadGateway), http.StatusBadGateway)
return
}
var resp types.Response
resp.Host = rp.Host
logger.DoOrDiscard(func() {
fmt.Printf("%s from host: %s\n", time.Now().Format("15:04:05"), rp.Host)
})
httpx.OkJson(w, resp)
}
}