How to set groupId correctly in TREP FH

Question

question

vishal.anand

34 ●6 ●11 ●17

How to set groupId correctly in TREP FH

I am trying to add groupId to the refreshMsg and statusMsg in TREP FH using the following:

RsslBuffer group = RSSL_INIT_BUFFER;

group = {2, (char*)"2"};

refreshMsg.groupId = {2, (char*)"2"};

statusMsg.groupId = {2, (char*)"2"};

I see difference in testclient groupId in refreshMsg and statusMsg. Below is the data. Shouldn't they be the same? Also I enabled XML trace and the XML output is there.

XML:

<refreshMsg domainType="RSSL_DMT_MARKET_BY_ORDER" streamId="602577620" containerType="RSSL_DT_MAP" flags="0x11AA (RSSL_RFMF_HAS_PERM_DATA|RSSL_RFMF_HAS_MSG_KEY|RSSL_RFMF_SOLICITED|RSSL_RFMF_HAS_QOS|RSSL_RFMF_CLEAR_CACHE|RSSL_RFMF_HAS_PART_NUM)" groupId="0" partNum="0" permData="0300 0033 0C" qosDynamic="0"

TESTCLIENT:

statusMsg.groupId = {2, (char*)"2"};

XML:

<statusMsg domainType="RSSL_DMT_MARKET_BY_ORDER" streamId="602577620" containerType="RSSL_DT_NO_DATA" flags="0x30 (RSSL_STMF_HAS_GROUP_ID|RSSL_STMF_HAS_STATE)" groupId="12800" dataState="RSSL_DATA_SUSPECT" streamState="RSSL_STREAM_CLOSED_RECOVER"

TESTCLIENT:

<statusMsg domainType="RSSL_DMT_MARKET_BY_ORDER" streamId="5" containerType="RSSL_DT_NO_DATA" flags="0x38 (RSSL_STMF_HAS_MSG_KEY|RSSL_STMF_HAS_GROUP_ID|RSSL_STMF_HAS_STATE)" groupId="12" dataState="RSSL_DATA_SUSPECT" streamState="RSSL_STREAM_OPEN" code="RSSL_SC_NONE"

trep #technology #product upa

Nov 21, 2023 at 05:38 PM

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wasin.w Dec 07, 2023 at 10:04 AM

Hello @vishal.anand

Thank you for your participation in the forum. Is the reply below satisfactory in resolving your query?

If so please can you click the 'Accept' text next to the appropriate reply? This will guide all community members who have a similar question.

Thanks,

AHS

Jirapongse Dec 14, 2023 at 10:15 AM

@vishal.anand

Hi,

Please be informed that a reply has been verified as correct in answering the question, and marked as such.

Thanks,

AHS

Answer 1 · 2023-11-23T05:00:14Z

Jirapongse

79.2k ●251 ●52 ●74

@vishal.anand

Thank you for reaching out to us.

The code should be like this:

    char groupId[] = { 0x00, 0x02};
    RsslBuffer group;
    group.length = 2;
    group.data = groupId;
    refreshMsg.groupId = group;

If a consumer connects to a provider directly, the consumer will get this.

<REFRESH domainType="MARKET_PRICE" streamId="3" containerType="FIELD_LIST" flags="0x1E8 (HAS_MSG_KEY|SOLICITED|REFRESH_COMPLETE|HAS_QOS|CLEAR_CACHE)" groupId="2" Qos: Realtime/TickByTick/Static - timeInfo: 0 - rateInfo: 0 State: Open/Ok/None - text: "Item Refresh Completed" dataSize="54">
    <key flags="0x07 (HAS_SERVICE_ID|HAS_NAME|HAS_NAME_TYPE)" serviceId="1" name="IBM.N" nameType="1"/>

However, if a consumer gets the data from RTDS (TREP), RTDS may change the value of the groupId.

Please kindly contact the RTDS support team directly via MyRefinitiv to verify the behavior of RTDS regarding the groupId.

Nov 23, 2023 at 05:00 AM

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Answer 2 · 2023-11-27T18:44:00Z

vishal.anand

34 ●6 ●11 ●17

@Jirapongse i did the following:

I still see via RTDS that the groupId is 22 for refresh Message and 23 in status message.

char groupId[] = { 0x00, 0x02};

RsslBuffer group;

group.length = 2;

group.data = groupId;

refreshMsg.groupId = group;

statusMsg.groupId = group;

<refreshMsg domainType="RSSL_DMT_MARKET_BY_ORDER" streamId="5" containerType="RSSL_DT_MAP" flags="0x11AA (RSSL_RFMF_HAS_PERM_DATA|RSSL_RFMF_HAS_MSG_KEY|RSSL_RFMF_SOLICITED|RSSL_RFMF_HAS_QOS|RSSL_RFMF_CLEAR_CACHE|RSSL_RFMF_HAS_PART_NUM)" groupId="22" partNum="0" permData="0301 2A33 0C" qosDynamic="0" qosRate="1" qosTimeliness="1" dataState="RSSL_DATA_OK" streamState="RSSL_STREAM_OPEN" code="RSSL_SC_NONE" text="" dataSize="369">

<statusMsg domainType="RSSL_DMT_MARKET_BY_ORDER" streamId="5" containerType="RSSL_DT_NO_DATA" flags="0x38 (RSSL_STMF_HAS_MSG_KEY|RSSL_STMF_HAS_GROUP_ID|RSSL_STMF_HAS_STATE)" groupId="23" dataState="RSSL_DATA_SUSPECT" streamState="RSSL_STREAM_OPEN" code="RSSL_SC_NONE" text="*Reset Received For Source "330", MARKET_LEVEL_RESET. Clear Orderbook" dataSize="0">

Nov 27, 2023 at 06:44 PM

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Answer 3 · 2023-11-27T18:46:18Z

vishal.anand

34 ●6 ●11 ●17

continuing @Jirapongse

query directly to provider

<refreshMsg domainType="RSSL_DMT_MARKET_BY_ORDER" streamId="5" containerType="RSSL_DT_MAP" flags="0x10A8 (RSSL_RFMF_HAS_MSG_KEY|RSSL_RFMF_SOLICITED|RSSL_RFMF_HAS_QOS|RSSL_RFMF_HAS_PART_NUM)" groupId="0" partNum="1" qosDynamic="0" qosRate="1" qosTimeliness="1" dataState="RSSL_DATA_OK" streamState="RSSL_STREAM_OPEN" code="RSSL_SC_NONE" text="" dataSize="64442">

<statusMsg domainType="RSSL_DMT_MARKET_BY_ORDER" streamId="5" containerType="RSSL_DT_NO_DATA" flags="0x30 (RSSL_STMF_HAS_GROUP_ID|RSSL_STMF_HAS_STATE)" groupId="2" dataState="RSSL_DATA_SUSPECT" streamState="RSSL_STREAM_CLOSED_RECOVER" code="RSSL_SC_NONE" text="Reset Received For Source "330", MARKET_LEVEL_RESET. Clear Orderbook" dataSize="0">

Why am I getting different groupId for refresh and status message even though I am using the same groupId?

Nov 27, 2023 at 06:46 PM

10 |1500

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Answer 4 · 2023-11-29T15:40:37Z

vishal.anand

34 ●6 ●11 ●17

@Jirapongse any thoughts?

Nov 29, 2023 at 03:40 PM

10 |1500

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Jirapongse Nov 30, 2023 at 04:04 AM

@vishal.anand

Could you please modify the Provider example in the ETA package to replicate this issue?

Then, please share the code.

What version of the ETA API are you using?

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