eta-api elektron elektron-sdk rrt refinitiv-realtime elektron-transport-api java c++ rssl reactor trep connection rcc-api c source-directory symbology rrto batch refinitiv-realtime-sdk api rics consumer log-in fields elektron-data-dictionary ssl refinitiv-real-time rdm ADS build multi-threading market-by-price market-feed callback status rcc DACS encoding Service eikon token linux non-interactive-provider commodities ipa snapshot-pricing fanout contributions rdf monitoring failover aws ema-api stream-id error service-name events unsubscribe constituents mrn volume time-stamp pricing refinitiv-realtime-optimised stale tick-history-rest-api rfa OMM equities refresh-message elektron-direct-feed subscription exchanges locking sink-driven-source sequence stress-test service-dictionary data-model docker performance ADH 64-bit api-limits service-id conflation dispatch trade documentation quote chain-ric enum search open-source load-balancing disconnection compile message