maria-discuss team mailing list archive

[Roberto Spadim <roberto@xxxxxxxxxxxxx>]

guys , i'm still with doubts... but not more about c#, now about c++
i was thinking about rewrite the code with c++

my doubt is.... could i use C++ 11 ? or i will have problem with mariadb
makefiles etc etc?

2015-09-18 1:40 GMT-03:00 Roberto Spadim <roberto@xxxxxxxxxxxxx>:

> Hi all!
>
> yes justin, probably a c++ and a c# interface
>
> well next weeks maybe i will start some tests :)
>
> thanks a lot for a first direction, i was looking about pinvoke, etc etc,
> like mysqld/mariadb do at plugins :)
>
>
>
> 2015-09-14 12:40 GMT-03:00 Justin Swanhart <greenlion@xxxxxxxxx>:
>
>> Hi,
>>
>> You could try:
>>
>> class DaemonPlugin
>> {
>>   [DllExport("add",CallingConvention = CallingConvention.Cdecl)]
>>   public static int add(int left, int right)
>>   {
>>      return left + right;
>>   }
>> }
>>
>> Then write a C++ wrapper around the exported classes.  I don't think C#
>> will be able to handle the pointers from the MySQL plugin API (or to do so
>> would be tremendously cumbersome) so a wrapper around the .NET exported
>> .NET code which handles the C memory management, etc, needed for a plugin
>> will work best.
>>
>> I don't know much about this.  I learned the above from a few google
>> searches, but hopefully it will get you going in the right direction.
>>
>> Regards,
>>
>> --Justin
>>
>>
>>
>>
>> On Mon, Sep 14, 2015 at 4:15 AM, Roberto Spadim <roberto@xxxxxxxxxxxxx>
>> wrote:
>>
>>> Hi guys!
>>> Nice :) +1 for this job, i will try
>>>
>>> Em segunda-feira, 14 de setembro de 2015, Sergei Golubchik <
>>> serg@xxxxxxxxxxx> escreveu:
>>>
>>>> Hi, Roberto!
>>>>
>>>> On Sep 13, Roberto Spadim wrote:
>>>> > Hi guys,
>>>> > I have a program wrote in c#, it process some code and the result is a
>>>> > struct (an array of string/double/int)
>>>> > I want to include this program inside mariadb server as a daemon
>>>> plugin (to
>>>> > process data) + a storage engine (to read struct data)
>>>> >
>>>> > is that possible? considering that i can write dll with .net?
>>>> > what about write this to linux (.so files) ?
>>>>
>>>> I think it's possible, why not? You might need a thin layer of the
>>>> interface code in C (seeing your code, I believe you can do that easily
>>>> :),
>>>> and the main logic in C#. On Linux you can, perhaps, use Mono.
>>>>
>>>> But I haven't heard of anyone doing that, so I don't know of any
>>>> specific pitfalls that you might face on this way.
>>>>
>>>> Regards,
>>>> Sergei
>>>>
>>>
>>>
>>> --
>>> Roberto Spadim
>>> SPAEmpresarial - Software ERP
>>> Eng. Automação e Controle
>>>
>>>
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>>>
>>
>
>
> --
> Roberto Spadim
> SPAEmpresarial - Software ERP
> Eng. Automação e Controle
>



-- 
Roberto Spadim
SPAEmpresarial - Software ERP
Eng. Automação e Controle