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| ASCII to Network byte order |
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| laddu858 |
 Posted: Fri Jun 27, 2014 1:21 pm Post subject: ASCII to Network byte order |
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Novice
Joined: 19 May 2008
Posts: 10
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I have a requirement to send the acknowledgement to the client in the 4 byte binary length network byte order once the message is successfully received.
How to convert this "00 00 00 06" to network byte order?
can you guys please tell me how to handle this in ESQL.
Thanks in advance. |
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| kimbert |
| Posted: Fri Jun 27, 2014 1:49 pm Post subject: |
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Jedi Council
Joined: 29 Jul 2003
Posts: 5542
Location: Southampton
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How will you know what the correct 'network byte order' is?
Do you understand how 'byte order' affects the serialization of an integer value? If you do, then you should be able to write some ESQL to do the job. If you do not, then how will you test your solution?
FYI, byte order is usually handled by the parser when it automatically converts a message tree into a BLOB. DFDL and MRM will both write integers in a specified byte order. But that might be overkill for your simple scenario.
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Before you criticize someone, walk a mile in their shoes. That way you're a mile away, and you have their shoes too. |
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| laddu858 |
| Posted: Fri Jun 27, 2014 2:23 pm Post subject: |
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Novice
Joined: 19 May 2008
Posts: 10
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Thanks Kimbert.
Do you understand how 'byte order' affects the serialization of an integer value? If you do, then you should be able to write some ESQL to do the job. If you do not, then how will you test your solution? 
-- can you please provide some more info on the byte order pls. |
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| laddu858 |
| Posted: Fri Jun 27, 2014 2:50 pm Post subject: |
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Novice
Joined: 19 May 2008
Posts: 10
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I figured it out..
DECLARE clength BLOB 6;
SET clength = right(clength,4);
Thanks Kimbert |
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| kimbert |
| Posted: Sat Jun 28, 2014 4:10 am Post subject: |
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Jedi Council
Joined: 29 Jul 2003
Posts: 5542
Location: Southampton
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No - this is not a training forum. You could easily look up 'byte order' using your favourite search engine.
FYI, your solution will not adjust the byte order.
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Before you criticize someone, walk a mile in their shoes. That way you're a mile away, and you have their shoes too. |
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