/*
* Send an auth error to peer because he sent a bad cookie. The auth error
* uses his cookie (not revealing ours). This is just like send_reg
* otherwise
*/
private void cookieError(OtpLocalNode local, OtpErlangAtom cookie)
{
try
{
OtpOutputStream header = new OtpOutputStream(headerLen);
// preamble: 4 byte length + "passthrough" tag + version
header.write4BE(0); // reserve space for length
header.write1(passThrough);
header.write1(version);
header.write_tuple_head(4);
header.write_long(regSendTag);
header.write_any(local.createPid()); // disposable pid
header.write_atom(cookie.atomValue()); // important: his cookie,
// not mine...
header.write_atom("auth");
// version for payload
header.write1(version);
// the payload
// the no_auth message (copied from Erlang) Don't change this
// (Erlang will crash)
// {$gen_cast, {print, "~n** Unauthorized cookie ~w **~n",
// [foo@aule]}}
OtpErlangObject[] msg = new OtpErlangObject[2];
OtpErlangObject[] msgbody = new OtpErlangObject[3];
msgbody[0] = new OtpErlangAtom("print");
msgbody[1] = new OtpErlangString("~n** Bad cookie sent to " + local + " **~n");
// Erlang will crash and burn if there is no third argument here...
msgbody[2] = new OtpErlangList(); // empty list
msg[0] = new OtpErlangAtom("$gen_cast");
msg[1] = new OtpErlangTuple(msgbody);
OtpOutputStream payload = new OtpOutputStream(new OtpErlangTuple(msg));
// fix up length in preamble
header.poke4BE(0, header.size() + payload.size() - 4);
try
{
do_send(header, payload);
}
catch (IOException)
{
} // ignore
}
finally
{
close();
}
throw new OtpAuthException("Remote cookie not authorized: " + cookie.atomValue());
}
/**
* Convert this atom to the equivalent Erlang external representation.
*
* @param buf
* an output stream to which the encoded atom should be
* written.
*/
public override void encode(OtpOutputStream buf)
{
buf.write_atom(atom);
}
/**
* Send a pre-encoded message to a process on a remote node.
*
* @param dest
* the Erlang PID of the remote process.
* @param msg
* the encoded message to send.
*
* @exception java.io.IOException
* if the connection is not active or a communication error
* occurs.
*/
protected void sendBuf(OtpErlangPid from, OtpErlangPid dest, OtpOutputStream payload)
{
if (!connected)
{
throw new IOException("Not connected");
}
OtpOutputStream header = new OtpOutputStream(headerLen);
// preamble: 4 byte length + "passthrough" tag + version
header.write4BE(0); // reserve space for length
header.write1(passThrough);
header.write1(version);
// header info
header.write_tuple_head(3);
header.write_long(sendTag);
if (sendCookie)
{
header.write_atom(self.Cookie);
}
else
{
header.write_atom("");
}
header.write_any(dest);
// version for payload
header.write1(version);
// fix up length in preamble
header.poke4BE(0, header.size() + payload.size() - 4);
do_send(header, payload);
}