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