SNAX/APC Application Programming Manual

Using the Application Program Interface
SNAX/APC Application Programming Manual—138786
1-29
GDS Variables and TP Data
Figure 1-10 illustrates another case in which a TP sends several GDS variables packed
into one SEND-DATA verb request.
Figure 1-9. Sending and Receiving a GDS Variable
Figure 1-10. Several GDS Variables in One SEND-DATA Request
009CDT .CDD
Data
Data
Data
(300 Bytes)
GDS Variable
(304 Bytes)
SEND_DATA
Request (104
Bytes)
Data
(300 Bytes)
GDS Variable
(304 Bytes)
R_W Reply
(48 Bytes)
SEND_DATA
Request (200
Bytes)
SNAX/APC/Server
SNAX/APC/Server
Data Data
Data
First
Send
Second
Send
First
Receive
Second
Receive
Third
Receive
R_W
Reply
(128
Bytes)
R_W Reply
(128 Bytes)
DataIDLL
DataIDLL
DataIDLL
DataIDLL
010CDT .CDD
Data Data
DataIDLL IDLL IDLL DataIDLL IDLL IDLL
DataIDLLDataIDLL