gosh/interceptor/net.go

package interceptor

import (
	"fmt"
	"net"
)

type NetModule struct{}

func (n *NetModule) IsPortOpen(host string, port int) bool {
	conn, err := net.Dial("tcp", net.JoinHostPort(host, fmt.Sprintf("%d", port)))
	if err != nil {
		return false
	}
	conn.Close()
	return true
}