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  • No : 1750
  • Updated Date : 2016/03/18 17:24
  • Modified on : 2019/06/21 13:38
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[J-GATE]How should one execute the Delta Query, DQ124?

<Chapter 7, OMEX_API>

How should one execute the Delta Query, DQ124?
Category : 

Answer

As below (Please refer to the J-GATE Connectivity Guide 'Example of Setting the Timeout and DRN for Delta Query DQ124' in '7.1.2.3 Delta Query')
[1] When retrieving all series information, store the download/reference number(download_ref_number_q) and process time(tv_sec,tv_nsec from full_answer_timestamp) in the struct 37001 when you receive the answer (DA124) from your final query.
[2] Add 1 to the value of download/reference number stored in DQ124's download_ref_number_q, specify the process time stored in each of tv_sec, tv_nsec, specify the segment number and execute the query.
[3]Execute the query until the segment number in the answer(DA124) is '0', and store the download/reference number(download_ref_number_q) and process time(tv_sec,tv_nsec) from full_answer_timestamp) in the struct 37001 when you receive the answer (DA124) from your final query.
Thereafter repeat [2] and [3]

If also retrieving BU124 information, perform the addtional procedures below:
[4]Upon appropriately processing the BU124 information received by broadcast, store the download/reference number(download_ref_number_q) form the final record.
[5]Add 1 to the value of download/reference number stored in DQ124's download_ref_number_q(obtained from BU124 above), specify the process time stored in each of tv_sec, tv_nsec(obtained in the Delta Query prior to the BU124 above), specify the segment number and execute the query.
[6]Execute the query until the segment number in the answer(DA124) is '0', and store the download/reference number(download_ref_number_q) and process time(tv_sec,tv_nsec) from full_answer_timestamp) in the struct 37001 when you receive the answer (DA124) from your final query.
Thereafter repeat [2] and [3]

 

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