frpc: add admin server for reload configure file

client/admin_api.go

@@ -0,0 +1,78 @@
+// 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 (
+	"encoding/json"
+	"net/http"
+
+	"github.com/julienschmidt/httprouter"
+	ini "github.com/vaughan0/go-ini"
+
+	"github.com/fatedier/frp/models/config"
+	"github.com/fatedier/frp/utils/log"
+)
+
+type GeneralResponse struct {
+	Code int64  `json:"code"`
+	Msg  string `json:"msg"`
+}
+
+// api/reload
+type ReloadResp struct {
+	GeneralResponse
+}
+
+func (svr *Service) apiReload(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	var (
+		buf []byte
+		res ReloadResp
+	)
+	defer func() {
+		log.Info("Http response [/api/reload]: code [%d]", res.Code)
+		buf, _ = json.Marshal(&res)
+		w.Write(buf)
+	}()
+
+	log.Info("Http request: [/api/reload]")
+
+	conf, err := ini.LoadFile(config.ClientCommonCfg.ConfigFile)
+	if err != nil {
+		res.Code = 1
+		res.Msg = err.Error()
+		log.Error("reload frpc config file error: %v", err)
+		return
+	}
+
+	newCommonCfg, err := config.LoadClientCommonConf(conf)
+	if err != nil {
+		res.Code = 2
+		res.Msg = err.Error()
+		log.Error("reload frpc common section error: %v", err)
+		return
+	}
+
+	pxyCfgs, vistorCfgs, err := config.LoadProxyConfFromFile(newCommonCfg.User, conf, newCommonCfg.Start)
+	if err != nil {
+		res.Code = 3
+		res.Msg = err.Error()
+		log.Error("reload frpc proxy config error: %v", err)
+		return
+	}
+
+	svr.ctl.reloadConf(pxyCfgs, vistorCfgs)
+	log.Info("success reload conf")
+	return
+}