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