How to use a pre-encoded ElementList in a message Payload?

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Question by LtDoolittle6 · Nov 25, 2015 at 07:50 AM · upa encode buffer payload

How to use a pre-encoded ElementList in a message Payload?

I have entire ElementList pre-encoded in a buffer. How that buffer should be used to populate the list in a message payload?

RsslBuffer listBuffer; // a buffer with encoded element list in it, 160 bytes
RsslElementList list;
rsslClearElementList(&list);
list.flags = RSSL_ELF_HAS_STANDARD_DATA;
list.encEntries = *preencodedListBuf;

// when I try to encode the list in a message, the list is always empty
rsslEncodeElementListInit(⁢er, &list, 0, 0);
rsslEncodeElementListComplete(⁢er, RSSL_TRUE);
// rsslGetEncodedBufferLength(⁢er) == 51 – list is not populated

Unfortunately, I was not able to find much info of how to use encEntries neither for ElementList nor for FieldList.

Is this the right way to populate msg payload with pre-encoded ElementList? If not – what is the right one? If yes - what am I possibly doing wrong?

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Answer 1 · 2015-12-09T01:07:14Z

Best Answer

Answer by Ripley79 · Dec 09, 2015 at 01:07 AM

Set the RsslMsg::encDataBody member directly to the buffer that contains your pre-encoded ElementList, e.g.

msg.msgBase.encDataBody.data = "";

msg.msgBase.encDataBody.length = listBuffer.length;

Or, just:

msg.msgBase.encDataBody = listBuffer;

When you call rsslEncodeMsg() the buffer contents will be encoded as the payload.

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How to use a pre-encoded ElementList in a message Payload?

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