[racket] FTP strange behavior

Am I using this correctly?

#lang racket

;; wget ftp://download.intel.com/research/silicon/moorespaper.pdf #works

(require net/ftp)

(define conn (ftp-establish-connection "download.intel.com" 21
"anonymous" ""))

(ftp-cd conn "/research/silicon")

(ftp-download-file conn "/home/X" "moorespaper.pdf")


Thanks
On 02/16/2011 01:36 PM, Jay McCarthy wrote:
> I'm pretty sure it was committed in time.
> 
> Jay
> 
> 2011/2/16 Eduardo Bellani <ebellani at gmail.com>:
>> Is that fix available in the new 5.1 distribution? Or should I compile
>> from source?
>>
>> Thanks a lot for the fix btw.
>>
>> On 02/08/2011 04:17 PM, Stephen Chang wrote:
>>> The ftp.datasus server returns the 125 code when a user tries to get
>>> something while connected using passive mode, which is what net/ftp
>>> does. But the code errors because it is only expecting 150 return
>>> codes from the server. I'm inclined to believe it's a bug with
>>> net/ftp, since the transfer completes successfully (the file in the
>>> example code is no longer available but i tried with another site).
>>> I've checked in a fix allowing the 125 return code, but I'm not
>>> familiar enough with ftp protocol to know if there are other cases
>>> that are missing.
>>>
>>>
>>>
>>>
>>>
>>> On Mon, Feb 7, 2011 at 2:02 PM, Jay McCarthy <jay.mccarthy at gmail.com> wrote:
>>>> I can tell you what it means, but I don't know why it would do it...
>>>>
>>>> 2011/2/7 Eduardo Bellani <ebellani at gmail.com>:
>>>>> Hello list
>>>>>
>>>>> I am getting an error out of this snippet that I think I should not be
>>>>> getting:
>>>>>
>>>>> (require net/ftp)
>>>>>
>>>>>
>>>>> (define conn (ftp-establish-connection "ftp.datasus.gov.br" 21
>>>>> "anonymous" ""))
>>>>>
>>>>> (ftp-cd conn "siasus/Documentos")
>>>>>
>>>>> (ftp-download-file conn "./" "APAC.xls")
>>>>
>>>> This establishes a connection on the side to receive the data. There
>>>> is normally just one per transfer. Maybe the server is sending the
>>>> message multiple times? And so it is trying to open two? Can you use
>>>> WireShark to get a transcript of the session?
>>>>
>>>> Jay
>>>>
>>>>>
>>>>> (ftp-close-connection conn)
>>>>>
>>>>>
>>>>> the error is
>>>>> ftp: exected result code 150, got 125 Data connection already open;
>>>>> Transfer starting.
>>>>>
>>>>> My version is 5.0.2/linux
>>>>>
>>>>> Could anyone tell me what could be wrong?
>>>>>
>>>>> --
>>>>> Eduardo Bellani
>>>>>
>>>>> omnia mutantur, nihil interit.
>>>>> _________________________________________________
>>>>>  For list-related administrative tasks:
>>>>>  http://lists.racket-lang.org/listinfo/users
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Jay McCarthy <jay at cs.byu.edu>
>>>> Assistant Professor / Brigham Young University
>>>> http://faculty.cs.byu.edu/~jay
>>>>
>>>> "The glory of God is Intelligence" - D&C 93
>>>>
>>>> _________________________________________________
>>>>  For list-related administrative tasks:
>>>>  http://lists.racket-lang.org/listinfo/users
>>
>>
>> --
>> Eduardo Bellani
>>
>> omnia mutantur, nihil interit.
>>
> 
> 
> 


-- 
Eduardo Bellani

omnia mutantur, nihil interit.