chaosd/tools/PortOccupyTool.go

66 lines
1.5 KiB
Go

// Copyright 2020 Chaos Mesh Authors.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"net/http"
"github.com/pingcap/errors"
"github.com/pingcap/log"
"github.com/spf13/cobra"
"go.uber.org/zap"
)
func PortOccupyTool() error {
var Port string
var rootCmd = &cobra.Command{
Use: "http server start",
Short: "http server start",
Run: func(cmd *cobra.Command, args []string) {
startHttp(Port)
},
}
rootCmd.Flags().StringVarP(&Port, "port", "p", "", "port to occupy")
if err := rootCmd.Execute(); err != nil {
return errors.WithStack(err)
}
return nil
}
func generateHttpPort(port string) string {
s := fmt.Sprintf(":%s", port)
return s
}
func startHttp(porttoOccupy string) {
s := generateHttpPort(porttoOccupy)
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "Hello cmd!")
})
if err := http.ListenAndServe(s, nil); err != nil {
log.Error("ListenAndServe", zap.Error(err))
}
}
func main() {
if err := PortOccupyTool(); err != nil {
log.Error("PortOccupyTool run fail", zap.Error(err))
}
}