Re: Problem with lua-curl

[Alexey Melnichuk <alexeymelnichuck@...>]

Здравствуйте, Dirk.

Вы писали 19 апреля 2017 г., 23:11:59:

> 2017-04-18 13:15 GMT+02:00 Alexey Melnichuk <alexeymelnichuck@gmail.com>:
>> Здравствуйте, Dirk.
>>
>> Вы писали 17 апреля 2017 г., 17:23:47:
>>
>>> If the server sends >16363 bytes, some bytes are lost.
>>
>>> It looks as if all completed blocks of 16384 bytes are overwritten
>>> and only the remnant is passed through to to the user.
>>
>>> I'll have a read in the source but I am sure bigger experts
>>> than me will beat me to the punch.
>>
>>
>> Just tested this code with download ~9M zip archive.
>> It has several sequence chunks series with size 16384.
>> All seems correct.
>>
>>> local curl = require "cURL"
>>> local url = "https://github.com/fusionpbx/fusionpbx/archive/4.2.2.zip";
>>> local c = curl.easy{
>>>   url = url,
>>>   ssl_verifypeer = false,
>>>   ssl_verifyhost = false,
>>>   followlocation = true,
>>> }
>>> print(curl._NAME, curl._VERSION)
>>> print(curl.version())
>>> local f, i = assert(io.open('test.zip', 'w+b')), 0;
>>> c:setopt_writefunction(function(chunk)
>>>   i = i + 1
>>>   if (#chunk > 4096) then print(i, #chunk) end
>>>   f:write(chunk)
>>> end)
>>> c:perform()
>>> f:close()
>>
>> PS. Versions is:
>>  * Lua-cURL 0.3.6-dev
>>  * libcurl/7.49.0 OpenSSL/1.0.1c zlib/1.2.7 WinIDN

> I am (in principle for this project) using what I get from LuaRocks.

> $ luarocks show lua-curl

> Lua-cURL 0.3.6-1 - Lua binding to libcurl

> License:     MIT/X11
> Homepage:     https://github.com/Lua-cURL
> Installed in:     /usr/local

> Modules:
>     cURL (/usr/local/share/lua/5.3/cURL.lua)
>     cURL.impl.cURL (/usr/local/share/lua/5.3/cURL/impl/cURL.lua)
>     cURL.safe (/usr/local/share/lua/5.3/cURL/safe.lua)
>     cURL.utils (/usr/local/share/lua/5.3/cURL/utils.lua)
>     lcurl (/usr/local/lib/lua/5.3/lcurl.so)

> I have verified that the problem is present also if I require 'lcurl'
> rather than 'cURL'.

> My system is Ubuntu 16.04.2 LTS .


Did you try code that I post. Does it produce wrong file?
My  0.3.6-dev  is  close  to  release.  And there no changes in C code
related with any IO operations quite a long time.
If you still have problem probably best open issue on github.
Do not forget post your problem code.


--
С уважением,
 Alexey                          mailto:alexeymelnichuck@gmail.com


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