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