ETA elektron eta api upa java eta consumer eta c eta consumer example eta c++ source directory c++ elektron eta ezd reconnect trcc elektron sdk c ssl ert in cloud c batchrequest api view eta decode Service resiliency idn symbol list reactor batch request refresh token eikon-sdk linux elektronsdk eta shared library DACS java api callback dictionary MarketFeed conditional compilation missing data rssl_mc_update 1.2.0 analytics login stream equity quotes trthv2 one-to-many publish rsslbuffer gold price connect idn_rdf slow _ms load balance upa reactor connect reconnect up ready stale eta sbe rwf omm java upa rsslfieldentry fields timestamp trade bds electron vc11 solarflaire onload disconnect 64 bit suspect mergedtogroup conflation stress test ni provider cusip overrun ssl eta migrate size enum description edf service name trcc eta symbollist reboot login failed concurrent rssl_stream_close electron api rdf-d nfd rssl_ret_invalid_data snapshot ert in cloud trial market price dispatch sequence maximum hkex segfault dictionary for services symbols-by-exchange elektron sdk sink driven source version rssl_mc_status negative ric open-source status OMM aws quotes message encodeiterator rdm_directory_service_group_id hint error code map monitoring ema millisecond eta api status rssl missing documentation rsslmap empty rsslfieldlist price elecktron elektron sdk - java streamid mrn FID warm standby dictionary reuse group valueadd corrupt Blank_Field consumer utilization convert millisec batch enum elektron-direct-feed service id eta trcc search identify trade handle group status events vaconsumer 3.4.0l1 building from source ric rtl failover upa training module eta fid number acronym groupid unsubscribe multi-thread rsslstate limit market_by_price documentation signals exchangelist data model capabilities rtmes esdk build secure rssl_ret_incomplete_data snapshot with open stream real-time-data groups sdk rdm real rssl state performance rssl_rc_cet_channel_down_reconnecting dictionary in data centers t ADS