opendacs DACS odps opendacs-api open dacs api java opendacs-java open dacs trep c++ dacs-daemon dacs on-demand authorization odps dacs _system_ login rfa dacsondemand dacs.usage file contains irrelevant infromation saibor prod_perm pe code logout http requests multiconnect mount .net permissions api refinitiv realtime - optimized how to verify user permision and rics permission by the given user ema c++ consumer client status parameterized ema checking rics permission with more than one at the same time. example RMDS ric lookup report ric events eikon api .net dacslocks thread-safe dacs daemon