// At the moment, this can start more than one Server on the same
// port, which could be a problem.
func (self *RpcService) Serve(done chan bool) {
portString := fmt.Sprintf("%s:%d", self.IPAddress, self.Port)
log.Println(portString)
l, e := net.Listen("tcp", portString)
if e != nil {
log.Fatal("listen error:", e)
}
defer l.Close()
switch self.Protocol {
default:
rpc.HandleHTTP() // Seems safe to call multiple times, but must
// that precede net.Listen()?
log.Println("Starting http server")
http.Serve(l, nil)
case "json":
log.Println("Starting jsonrpc server")
for {
conn, err := l.Accept()
if err != nil {
panic(err.String())
}
jsonrpc.ServeConn(conn)
}
}
done <- true // This may never occur.
}
// rpc over tcp
func serveTCP(addr string) {
l, err := net.Listen("tcp", addr)
if err != nil {
log.Fatal(err)
}
defer l.Close()
for {
conn, _ := l.Accept()
jsonrpc.ServeConn(conn)
}
}
// rpc over udp
func serveUDP(addr string) {
pl := new(PacketListener)
c, err := net.ListenPacket("udp", addr)
if err != nil {
log.Fatal(err)
}
defer pl.Close()
pl.c = c
for {
jsonrpc.ServeConn(pl)
}
}
func main() {
log.Print("Starting Server...")
l, err := net.Listen("tcp", "localhost:1234")
defer l.Close()
if err != nil {
log.Fatal(err)
}
log.Print("listening on: ", l.Addr())
rpc.Register(new(RPCFunc))
for {
log.Print("waiting for connections ...")
conn, err := l.Accept()
if err != nil {
log.Printf("accept error: %s", conn)
continue
}
log.Printf("connection started: %v", conn.RemoteAddr())
go jsonrpc.ServeConn(conn)
}
}
// rpc over tls over tcp
func serveTLS(addr string) {
config := &tls.Config{
Rand: rand.Reader,
Time: time.Nanoseconds,
}
config.Certificates = make([]tls.Certificate, 1)
var err os.Error
config.Certificates[0], err = tls.LoadX509KeyPair("server.crt", "server.key")
if err != nil {
log.Fatal(err)
}
l, err := tls.Listen("tcp", ":1235", config)
if err != nil {
log.Fatal(err)
}
for {
conn, _ := l.Accept()
jsonrpc.ServeConn(conn)
}
}
func test_jsonrpc() {
fmt.Println("Testing jsonrpc with TimeService...")
cli, srv := net.Pipe()
go jsonrpc.ServeConn(srv)
client := jsonrpc.NewClient(cli)
defer client.Close()
// Synchronous calls
args := &Args{"GMT"}
reply := new(Reply)
for i := 0; i < 10; i++ {
err := client.Call("TimeService.GetTime", args, reply)
if err != nil {
fmt.Errorf("TimeService.GetTime: expected no error but got string %q", err.String())
}
fmt.Printf("time:%s\n jsonrpc.counter:%d\n", reply.Time, reply.Counter)
}
}
