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