Listener (FB)

FUNCTION_BLOCK Listener

Listener fb opens a socket on a port and listens for new incomming streams. Represents a TCP Server.

Order of calls:

1. Start: Binds the listening socket and starts listening on it.

2. Listen: This method may be called at any time after start. The new Streams are appended to the already listening streams.

3. Accept: Returns a new connected TCP Stream.

4. Stop: Stops listening on the port.

Properties:

IPAddress

Port

Socket

Methods:

Accept

Listen

Start

Stop

Structure:

• Accept (Method)
• IPAddress (Property)
• Listen (Method)
• Port (Property)
• Socket (Property)
• Start (Method)
• Stop (Method)