Minimal JSONRPC over TLS

main.go

package main

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

type RPCEmptyArguments struct{}

type TestReply struct {
	OK int
}

type Dummy struct{}

func (d *Dummy) Test(args *RPCEmptyArguments, reply *TestReply) error {
	reply.OK = 1
	return nil
}

func main() {
	err := rpc.Register(new(Dummy))
	if err != nil {
		log.Fatalf("Format of service Dummy isn't correct. %s", err)
	}

	// openssl req -new -nodes -x509 -out test-certs/server.pem -keyout test-certs/server.key -days 3650 -subj "/C=TW/ST=TPE/L=Earth/O=Bitmark Inc/OU=IT/CN=www.bitmark.com/[email protected]"
	cert, err := tls.LoadX509KeyPair("test-certs/server.pem", "test-certs/server.key")
	if err != nil {
		log.Fatalf("server: loadkeys: %s", err)
	}
	
	config := tls.Config{Certificates: []tls.Certificate{cert}, InsecureSkipVerify: true}

	l, err := tls.Listen("tcp", ":12345", &config)
	if err != nil {
		log.Fatal(err)
	}
	defer l.Close()

	for {
		conn, err := l.Accept()
		if err != nil {
			log.Print(err)
			continue
		}

		go func(c net.Conn) {
			rpc.ServeCodec(jsonrpc.NewServerCodec(c))
			c.Close()
		}(conn)
	}
}