private bool IdentifyPeer(Pipe pipe)
{
Blob identity;
Msg msg = pipe.Read ();
if (msg == null)
return false;
if (msg.Size == 0) {
// Fall back on the auto-generation
byte[] buf = new byte[5];
buf[0] = 0;
byte[] result = BitConverter.GetBytes(m_nextPeerId++);
//if (BitConverter.IsLittleEndian)
//{
// Array.Reverse(result);
//}
Buffer.BlockCopy(result, 0, buf, 1, 4);
identity = new Blob(buf);
}
else {
identity = new Blob(msg.Data);
// Ignore peers with duplicate ID.
if (m_outpipes.ContainsKey(identity))
return false;
}
pipe.Identity = identity;
// Add the record into output pipes lookup table
Outpipe outpipe = new Outpipe(pipe, true);
m_outpipes.Add (identity, outpipe);
return true;
}
protected override void XReadActivated(Pipe pipe)
{
// There are some subscriptions waiting. Let's process them.
Msg sub;
while ((sub = pipe.Read()) != null) {
// Apply the subscription to the trie.
byte[] data = sub.Data;
int size = sub.Size;
if (size > 0 && (data[0] == 0 || data[0] == 1)) {
bool unique;
if (data[0] == 0)
unique = m_subscriptions.Remove (data , 1, pipe);
else
unique = m_subscriptions.Add (data , 1, pipe);
// If the subscription is not a duplicate, store it so that it can be
// passed to used on next recv call.
if (m_options.SocketType == ZmqSocketType.Xpub && (unique || m_verbose))
m_pending.AddToBack(new Blob (sub.Data));
}
}
}