Unable to contribute a partial page update via Reactor
I'm attempting to contribute a partial update to a page (80 by 25) via FID
"ROW80_2" that is resulting in a NAK'd response code 2
(RSSL_NAKC_DENIED_BY_SRC) with a state text of "Request failure for technical
reasons - Contact Thomson Reuters".
The partial update consists of a single character at column 70 and therefore
includes the relevant Control Sequence Introducer/Terminator byte codes.
I have used a series of RSSL API calls to encode the message, such as:
rsslEncodeMsgInit()
rsslEncodeFieldListInit()
rsslEncodeFieldEntry()
rsslEncodeFieldListComplete()
rsslEncodeMsgComplete()
This has resulted in the following message being encoded:
0x000000 : 0018080600000006 : [........]
0x000008 : 6a0d0100007f0000 : [j.......]
0x000010 : 9ec0000000010000 : [........]
0x000018 : 0001001704060000 : [........]
0x000020 : 0006080400800c06 : [........]
0x000028 : 0941524342494750 : [.ARCBIGP]
0x000030 : 3031010903010001 : [01......]
0x000038 : 0001013c061b5b37 : [...<..[7]
0x000040 : 306560 : [0e` ]
Could you confirm the Contribution Channel is able to receive & handle partial
updates to pages?
Could you also explain why the partial page update is being NAK'd and what I
need to do to make a successful page update?
Thanks in advance,
Andrew Foster
andrew.foster@arcontech.com
Best Answer
-
TRCC do support the partial update to pages.
But from your message trace, you have Hex 0x65 - "e" after the cursor offset number, which breaks the syntax.
0x000040 : 306560 : [0e` ]
The syntax of an intra-field positioning sequence is as follows:
<CSI>n<HPA>YourText
Where
- <CSI> is the control sequence introducer (Hex 1B5B)
- n is an ASCII numeric string representing the cursor offset position relative to the start of the field.
- <HPA> is the Horizontal Position Adjust character which terminates the intra-field position sequence (Hex 60 which is an ASCII " ` ").
0
Answers
-
I have changed the formatting as you advised and it now works.
Thanks for your help.
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