gtpi1m3qSystem Installation Support Reference

MATIP Assign LNIATA

The Mapping of Airline Traffic over Internet Protocol (MATIP) assign LNIATA user exit, UMATAL, allows you to assign a line number, interchange address, and terminal address (LNIATA) to a specific incoming data message. You can also use this user exit to assign an LNIATA to a data message received by the IP Bridge if you know the original Internet Protocol (IP) address.

UMATAL is called in CMADAT, CMOA, and CRII.

Input

lniata
A pointer to an unsigned integer that will contain the LNIATA on return.

session_type
An unsigned integer containing the session type (Type-A conversational, Type-A host-to-host, Type-A, Type B, or IP Bridge).

IPaddress
A pointer to the 4-byte IP address of the message origin.

message_ID
A pointer to the message identifier (ID). The contents of this field depend on the session type indicator:

Programming Considerations

Return Values

UMATAL returns one of the following values:

0
The LNIATA is identified and returned to the caller.

Negative Number
The LNIATA is not identified and, therefore, is not returned to the caller.