SubVersion [2]byte
}
+var trtp = [4]byte{0x54, 0x52, 0x54, 0x50}
+
// Handshake
// After establishing TCP connection, both client and server start the handshake process
// in order to confirm that each of them comply with requirements of the other.
// Description Size Data Note
// Protocol ID 4 TRTP
// Error code 4 Error code returned by the server (0 = no error)
-func Handshake(conn io.ReadWriter) error {
+func Handshake(rw io.ReadWriter) error {
handshakeBuf := make([]byte, 12)
- if _, err := io.ReadFull(conn, handshakeBuf); err != nil {
+ if _, err := io.ReadFull(rw, handshakeBuf); err != nil {
return err
}
return err
}
- if h.Protocol != [4]byte{0x54, 0x52, 0x54, 0x50} {
+ if h.Protocol != trtp {
return errors.New("invalid handshake")
}
- _, err := conn.Write([]byte{84, 82, 84, 80, 0, 0, 0, 0})
+ _, err := rw.Write([]byte{84, 82, 84, 80, 0, 0, 0, 0})
return err
}