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