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