elektron elektron-sdk refinitiv-realtime mrn rrt rfa java websockets rics trep c++ news .net data fields market-by-price authentication mifid pricing api trade symbology python level-2 stream-state elektron-data-dictionary error rcc-api c# rdp-api lpc refinitiv-realtime-sdk sink-driven-source streaming-prices connection exchanges chain-ric refinitiv-real-time equities OMM market-by-order ema-api contributions order-book rssl update-message data-model non-interactive-provider quote rdm eikon forex ssl consumer time-series DACS refinitiv-realtime-optimised request setup rmds-test-client aws market-feed log-in sfc exchange-codes sentiment rcc build futures ADS batch subscription centos rrto session rfa-api maturity derivatives eikon-data-api error-login replay-tool page linux support token configuration fundamentals web search ADH tutorial reactor datastream fedora refresh r proxy parser condition-codes tls example issue date memory-leaks tunnel-stream error-400 logging monitoring packages map-entry enum conflation publish screening redhat-enterprise-linux javascript Download RWF refinitiv-data-platform sedol ATS posting dss-rest-api stream corporate-actions elektron-direct-feed time-stamp thomson-reuters ems eibor stale vwap tibco-streambase news-text-analytics esg machine-id exchange-holidays speedguide rkd-api volatility cloud yield-curve ts1 caching sdk recordtype eta-api memory wsdl licensing index quickstart-guide status compile historical 64-bit disconnection channel spring api-limits docker ipa ubuntu c usage buffer developer-community debugging