add debug tool

checker/check.go

@@ -30,8 +30,8 @@ func Check(p proxy.Proxy) (delay uint16, err error) {
 		return
 	}
 	ctx, cancel := context.WithTimeout(context.Background(), defaultURLTestTimeout)
+	defer cancel()
 	delay, err = clashProxy.URLTest(ctx, "http://www.gstatic.com/generate_204")
-	cancel()
 	return delay, err
 }
 

main.go

@@ -3,12 +3,15 @@ package main
 import (
 	"flag"
 	"fmt"
+	"net/http"
 
 	"github.com/zu1k/proxypool/api"
 	"github.com/zu1k/proxypool/app"
 )
 
 func main() {
+	go pprof()
+
 	filePath := flag.String("c", "", "path to config file: source.yaml")
 	flag.Parse()
 	if *filePath == "" {
@@ -22,3 +25,10 @@ func main() {
 
 	api.Run()
 }
+
+func pprof() {
+	ip := "127.0.0.1:6060"
+	if err := http.ListenAndServe(ip, nil); err != nil {
+		fmt.Printf("start pprof failed on %s\n", ip)
+	}
+}