OnixS CBOE CMi2 Trading Handler for C++  1.1.3.0
Identification and Authentication

IP Addresses and Ports

At first the participant must establish a TCP/IP session - the IP/port numbers are provided by the exchange.

On the phase of connection, OnixS::CBOE::Trading::CMi2::Handler::connect can throw exceptions:

In this case you should check:

  1. Connection IP/Port is correct?
  2. Connection is available?

If both are OK, you should contact to OnixS Technical Support or CBOE Technical Support.

Session Authentication

The Logon message is the first message sent by the participant authenticating the CBOE API session.