private void sendExit(int tag, Erlang.Pid from, Erlang.Pid dest, System.String reason)
{
if (!connected)
{
throw new System.IO.IOException("Not connected");
}
OtpOutputStream header = new OtpOutputStream(headerLen);
// preamble: 4 byte length + "passthrough" tag
header.write4BE(0); // reserve space for length
header.write1(passThrough);
header.write1(version);
// header
header.write_tuple_head(4);
header.write_long(tag);
header.write_any(from);
header.write_any(dest);
header.write_string(reason);
// fix up length in preamble
header.poke4BE(0, header.count() - 4);
do_send(header);
}
/*
* Remove a link between the local node and the specified process on
* the remote node. This method deactivates links created with
* {@link #sendLink link()}.
*
* @param dest the Erlang PID of the remote process.
*
* @exception C#.io.IOException if the connection is not active or
* a communication error occurs.
**/
protected internal virtual void sendUnlink(Erlang.Pid from, Erlang.Pid dest)
{
if (!connected)
{
throw new System.IO.IOException("Not connected");
}
OtpOutputStream header = new OtpOutputStream(headerLen);
// preamble: 4 byte length + "passthrough" tag
header.write4BE(0); // reserve space for length
header.write1(passThrough);
header.write1(version);
// header
header.write_tuple_head(3);
header.write_long((long)OtpMsg.Tag.unlinkTag);
header.write_any(from);
header.write_any(dest);
// fix up length in preamble
header.poke4BE(0, header.count() - 4);
do_send(header);
}
/*
* 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 C#.io.IOException if the connection is not active
* or a communication error occurs.
**/
protected internal virtual void sendBuf(Erlang.Pid from, Erlang.Pid dest, OtpOutputStream payload)
{
if (!connected)
{
throw new System.IO.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((long)OtpMsg.Tag.sendTag);
if (sendCookie)
header.write_atom(auth_cookie);
else
header.write_atom("");
header.write_any(dest);
// version for payload
header.write1(version);
// fix up length in preamble
header.poke4BE(0, header.count() + payload.count() - 4);
do_send(header, payload);
}
/*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, Erlang.Atom 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((long)OtpMsg.Tag.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)
// {$gen_cast, {print, "~n** Unauthorized cookie ~w **~n", [foo@aule]}}
Erlang.Object[] msg = new Erlang.Object[2];
Erlang.Object[] msgbody = new Erlang.Object[3];
msgbody[0] = new Erlang.Atom("print");
msgbody[1] = new Erlang.String("~n** Bad cookie sent to " + local + " **~n");
// Erlang will crash and burn if there is no third argument here...
msgbody[2] = new Erlang.List(); // empty list
msg[0] = new Erlang.Atom("$gen_cast");
msg[1] = new Erlang.Tuple(msgbody);
OtpOutputStream payload = new OtpOutputStream(new Erlang.Tuple(msg));
// fix up length in preamble
header.poke4BE(0, header.count() + payload.count() - 4);
try
{
do_send(header, payload);
}
catch (System.IO.IOException)
{
} // ignore
}
finally
{
close();
throw new OtpAuthException("Remote cookie not authorized: " + cookie.atomValue());
}
}
// used by send and send_reg (message types with payload)
protected internal virtual void do_send(OtpOutputStream header, OtpOutputStream payload)
{
lock(this)
{
try
{
if (traceLevel >= OtpTrace.Type.sendThreshold)
{
// Need to decode header and output buffer to show trace message!
// First make OtpInputStream, then decode.
try
{
if (traceLevel >= OtpTrace.Type.wireThreshold)
{
Erlang.Object h = (header.getOtpInputStream(5)).read_any();
Erlang.Binary hb = header.ToBinary();
Erlang.Binary ob = payload.ToBinary();
System.Text.StringBuilder s = new System.Text.StringBuilder();
s.AppendFormat("-> {0} {1} (header_sz={2}, msg_sz={3})\n" +
" Header: {4}\n" +
" Msg: {5}", headerType(h), h.ToString(), hb.size(), ob.size(),
hb.ToBinaryString(), ob.ToBinaryString());
OtpTrace.TraceEvent(s.ToString());
h = null;
hb = null;
ob = null;
}
else
{
Erlang.Object h = (header.getOtpInputStream(5)).read_any();
OtpTrace.TraceEvent("-> " + headerType(h) + " " + h.ToString());
Erlang.Object o = (payload.getOtpInputStream(0)).read_any();
OtpTrace.TraceEvent(" " + o.ToString());
h = null;
o = null;
}
}
catch (Erlang.Exception e)
{
OtpTrace.TraceEvent(" " + "can't decode output buffer:" + e);
}
}
header.writeTo((System.IO.Stream) socket.GetStream());
payload.writeTo((System.IO.Stream) socket.GetStream());
long written = header.count() + payload.count();
sentBytes += written;
sentMsgs++;
if (onReadWrite != null)
onReadWrite(this, Operation.Write, written, sentBytes, sentMsgs);
}
catch (System.Exception e)
{
close();
throw e;
}
}
}
