package rpcSupport

import (
	"log"
	"net"
	"net/rpc"
	"net/rpc/jsonrpc"
)

func RpcServer(host string, service interface{}) error {
	err := rpc.Register(service)
	if err != nil {
		log.Println("rpc register error")
		return err
	}
	listen, err := net.Listen("tcp", host)
	if err != nil {
		return err
	}

	log.Printf("rpc server listen ok: %s", host)

	for {
		accept, err := listen.Accept()
		if err != nil {
			log.Println("accept err: ", err)
		}
		jsonrpc.ServeConn(accept)
	}
}

func RpcClient(host string) (*rpc.Client, error) {
	dial, err := net.Dial("tcp", host)
	if err != nil {
		return nil, err
	}

	return jsonrpc.NewClient(dial), nil
}