frpc: add admin server for reload configure file

client/admin.go

@@ -0,0 +1,60 @@
+// Copyright 2017 fatedier, fatedier@gmail.com
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package client
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"time"
+
+	"github.com/fatedier/frp/models/config"
+	frpNet "github.com/fatedier/frp/utils/net"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+var (
+	httpServerReadTimeout  = 10 * time.Second
+	httpServerWriteTimeout = 10 * time.Second
+)
+
+func (svr *Service) RunAdminServer(addr string, port int64) (err error) {
+	// url router
+	router := httprouter.New()
+
+	user, passwd := config.ClientCommonCfg.AdminUser, config.ClientCommonCfg.AdminPwd
+
+	// api, see dashboard_api.go
+	router.GET("/api/reload", frpNet.HttprouterBasicAuth(svr.apiReload, user, passwd))
+
+	address := fmt.Sprintf("%s:%d", addr, port)
+	server := &http.Server{
+		Addr:         address,
+		Handler:      router,
+		ReadTimeout:  httpServerReadTimeout,
+		WriteTimeout: httpServerWriteTimeout,
+	}
+	if address == "" {
+		address = ":http"
+	}
+	ln, err := net.Listen("tcp", address)
+	if err != nil {
+		return err
+	}
+
+	go server.Serve(ln)
+	return
+}