public ZMessage Duplicate()
{
var message = new ZMessage();
foreach (ZFrame frame in this)
{
message.Add(frame.Duplicate());
}
return(message);
}
/// <summary>
/// Forwards replies from the backend socket to the frontend socket.
/// </summary>
protected override bool BackendHandler(ZSocket sock, out ZMessage message, out ZError error)
{
error = default(ZError);
message = null;
// receiving scope
// DEALER: normal movemsg
ZMessage incoming = null;
if (!sock.ReceiveMessage(ref incoming, /* ZSocketFlags.DontWait */ ZSocketFlags.None, out error))
{
return(false);
}
using (incoming)
{
// STREAM: write frames: identity, body, identity, empty
// Read identity
int ic = (int)incoming[0].Length;
var identityBytes = new byte[ic];
incoming[0].Read(identityBytes, 0, ic);
// Remove DEALER's delimiter
incoming.RemoveAt(1);
// Append Identity frame
var identity0 = new ZFrame(identityBytes);
incoming.Add(identity0);
// Append STREAM's empty delimiter frame
incoming.Add(new ZFrame());
if (!SendMsg(FrontendSocket, incoming, out error))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Send a ZAP reply to the handler socket
/// </summary>
/// <param name="status_code"></param>
/// <param name="status_text"></param>
/// <param name="metadata"></param>
/// <returns></returns>
public int RequestReply(string status_code, string status_text, byte[] metadata)
{
if (Verbose)
{
ZAuth.Info(string.Format("zauth: - ZAP reply status_code={0} status_text={1}", status_code, status_text));
}
ZMessage msg = new ZMessage();
msg.Add(new ZFrame("1.0"));
msg.Add(new ZFrame(Sequence));
msg.Add(new ZFrame(status_code));
msg.Add(new ZFrame(status_text));
msg.Add(new ZFrame(UserId != null ? UserId : ""));
// rc = zmsg_addmem(msg, metadata, metasize);
msg.Add(new ZFrame(metadata));
handler.SendMessage(msg);
return(0);
}
