Method processVersionMsg

java/com/tigervnc/rfb/CConnection.java:157–208

()

  }

  private void processVersionMsg()
  {
    ByteBuffer verStr = ByteBuffer.allocate(12);
    int majorVersion;
    int minorVersion;

    vlog.debug("Reading protocol version");

    if (!is.checkNoWait(12))
      return;

    is.readBytes(verStr, 12);

    if ((new String(verStr.array())).matches("RFB \\d{3}\\.\\d{3}\\n")) {
      majorVersion =
        Integer.parseInt((new String(verStr.array())).substring(4,7));
      minorVersion =
        Integer.parseInt((new String(verStr.array())).substring(8,11));
    } else {
      state_ = stateEnum.RFBSTATE_INVALID;
      throw new Exception("reading version failed: not an RFB server?");
    }

    server.setVersion(majorVersion, minorVersion);

    vlog.info("Server supports RFB protocol version "
              +server.majorVersion+"."+ server.minorVersion);

    // The only official RFB protocol versions are currently 3.3, 3.7 and 3.8
    if (server.beforeVersion(3,3)) {
      String msg = ("Server gave unsupported RFB protocol version "+
                    server.majorVersion+"."+server.minorVersion);
      vlog.error(msg);
      state_ = stateEnum.RFBSTATE_INVALID;
      throw new Exception(msg);
    } else if (server.beforeVersion(3,7)) {
      server.setVersion(3,3);
    } else if (server.afterVersion(3,8)) {
      server.setVersion(3,8);
    }

    verStr.clear();
    verStr.put(String.format("RFB %03d.%03d\n",
               server.majorVersion, server.minorVersion).getBytes()).flip();
    os.writeBytes(verStr.array(), 0, 12);
    os.flush();

    state_ = stateEnum.RFBSTATE_SECURITY_TYPES;

    vlog.info("Using RFB protocol version "+
              server.majorVersion+"."+server.minorVersion);
  }

  private void processSecurityTypesMsg()
  {