id summary reporter owner description type status priority milestone component resolution keywords cc planetversion pltversion 1488 ZeroMQ integration with Racket 5.3.2 on Windows broken in FFI-lib william.cushing@… jaymccarthy "When I copy/paste the following code into DrRacket, it fails to work on my box (64 bit windows). More specifically the FFI-lib is unable to find libzmq.dll. #lang racket #| # Weather update client # Connects SUB socket to tcp://localhost:5556 # Collects weather updates and finds avg temp in zipcode |# (require (planet jaymccarthy/zeromq)) ; Socket to talk to server (define ctxt (context 1)) (define sock (socket ctxt 'SUB)) (printf ""Collecting updates from weather server...\n"") (socket-connect! sock ""tcp://localhost:5556"") ; Subscribe to zipcode, default is NYC, 10001 (define filter (command-line #:program ""wuclient"" #:args maybe-zip (match maybe-zip [(list zipcode) zipcode] [(list) ""10001""] [else (error 'wuclient ""Incorrect argument list"")]))) (set-socket-option! sock 'SUBSCRIBE (string->bytes/utf-8 filter)) ; Process 5 updates (define how-many 5) (define total-temp (for/fold ([tot 0]) ([i (in-range how-many)]) (match-define (regexp #rx""([0-9]+) (-?[0-9]+) ([0-9]+)"" (list _ zipcode temp humid)) (socket-recv! sock)) (+ tot (string->number (bytes->string/utf-8 temp))))) (printf ""Average temperature for zipcode '~a' was ~a\n"" filter (/ total-temp how-many)) (context-close! ctxt)" defect needinfo minor jaymccarthy/zeromq.plt zeromq ffi (1 0)