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