gtpi1m3tSystem Installation Support Reference

MATIP Router

The Mapping of Airline Traffic over Internet Protocol (MATIP) router user exit, UMATRO, allows messages to be routed to the appropriate application when a terminal address table (WGTA) entry is not used to route the message. This user exit is entered when data is received for either Type-A host-to-host messages or Type-B messages.

UMATRO is called in CMADAT.

Input

session_type
An unsigned integer containing the type of message (Type-A host-to-host or Type B).

sock
An integer containing the socket number.

IPaddress
A pointer to the 4-byte Internet Protocol (IP) address of the message origin.

message_text
A pointer to a data message.

subtype
An integer containing the traffic subtype for Type-A host-to-host sessions, or end-to-end messaging responsibility transfer protocol used for Type B.

message_ID
A pointer to the message identifier.

pload_len
The data length.

Programming Considerations

Return Values

UMATRO is expected to be entered without a return to the caller.