2015-05-06 13:38 GMT+02:00 p...@highoctane.be <p...@highoctane.be>:

>
>
> On Wed, May 6, 2015 at 12:29 PM, Nicolai Hess <nicolaih...@web.de> wrote:
>
>>
>>
>> 2015-05-06 12:10 GMT+02:00 p...@highoctane.be <p...@highoctane.be>:
>>
>>> I've loaded your package.
>>>
>>> A prerequisite is to load OS-Window to make it work.
>>>
>>> I've got the DLL call working nicely and the nativeboost with the
>>> structure freezing.
>>>
>>
>> This is because you have a recursive datastructure description, but
>> acutually the IP_ADAPTER_INFO structure is not recursive:
>>
>> PIP_ADAPTER_INFO class >>fieldsDex
>> ^ #(
>>  PIP_ADAPTER_INFO  nextVariable;
>>   DWORD                   ComboIndex;
>>   CHAR                    AdapterName;
>>   CHAR                    Description;
>> ....)
>>
>> The "nextVariable" should be a pointer to the structure.
>>
>> from MSDN:
>>
>>  struct _IP_ADAPTER_INFO {
>>   struct _IP_ADAPTER_INFO  *Next;   "<- pointer"
>>   DWORD                   ComboIndex;
>>   char                    AdapterName[MAX_ADAPTER_NAME_LENGTH + 4];
>>   char                    Description[MAX_ADAPTER_DESCRIPTION_LENGTH + 4];
>>   UINT                    AddressLength;
>>
>> ....
>>
>>
>>
>
> So, what's to put in there then?
>
>
IpAdapterInfo class>>#fieldsDesc
^#(
  IpAdapterInfo*  Next;
  DWORD   ComboIndex;
....

This would work



> I can use FFI / NB for basic cases but never ventured into those structure.
> I'd like to :-)
>
> Phil
> I
>
>>
>>
>>
>>
>>
>>
>>
>>>
>>> Now, we should all have a look at:
>>>
>>> https://github.com/ronsaldo/bullet-pharo
>>>
>>> and
>>>
>>> https://github.com/ronsaldo/swig
>>>
>>> because it looks like the way to go to wrap libraries...
>>>
>>> Ronie, I know you modified swig for generating Pharo code;
>>>
>>> Is cloning your swig repo the way to go ?
>>>
>>>
>>> Phil
>>>
>>>
>>>
>>>
>>>
>>> On Wed, May 6, 2015 at 10:39 AM, Usman Bhatti <usman.bha...@gmail.com>
>>> wrote:
>>>
>>>> Hi Nicolai,
>>>>
>>>> Here is my package that defines the nativeboost call and associated C
>>>> structs.
>>>> The external C struct is self referencing and hence sometimes I get
>>>> infinite recursion when trying to change field descriptions. That is the
>>>> reason why the automatically generated accessors are absent (although I had
>>>> them in an earlier version).
>>>>
>>>> Attached also the DLL referenced in the code.
>>>>
>>>>
>>>>
>>>> On Wed, May 6, 2015 at 9:58 AM, Nicolai Hess <nicolaih...@web.de>
>>>> wrote:
>>>>
>>>>>
>>>>>
>>>>> 2015-05-06 9:53 GMT+02:00 Usman Bhatti <usman.bha...@gmail.com>:
>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, May 5, 2015 at 7:34 PM, p...@highoctane.be <
>>>>>> p...@highoctane.be> wrote:
>>>>>>
>>>>>>>
>>>>>>> On Tue, May 5, 2015 at 6:28 PM, Usman Bhatti <usman.bha...@gmail.com
>>>>>>> > wrote:
>>>>>>>
>>>>>>>> I succeeded to do it by encapsulating the C routine as a DLL and
>>>>>>>> doing an FFI call from my image (as suggested by Guille).
>>>>>>>>
>>>>>>>
>>>>>>> At least there was a way!
>>>>>>>
>>>>>>
>>>>>> Exactly :)
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> Looks like this is the most controlled|debuggable way:
>>>>>>>   - get it working with C code out of Pharo
>>>>>>>   - make a bridge that can be used easily with FFI in a dll
>>>>>>>   - use that from Pharo with proven FFI
>>>>>>>
>>>>>>> Would NativeBoost work with your dll? Should.
>>>>>>>
>>>>>>
>>>>>> I have read a few resources about Nativeboost but I am still naive to
>>>>>> know the difference between FFI and nativeboost. The FFI call I made to
>>>>>> invoke the DLL function looked similar to the nativeboost calls.
>>>>>>
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> I also tried to perform the nativeboost call by creating my
>>>>>>>> structures in Pharo. The function in Windows that can be used to 
>>>>>>>> retrieve
>>>>>>>> mac address in Windows: GetAdaptersInfo
>>>>>>>> <https://msdn.microsoft.com/en-us/library/windows/desktop/aa365917%28v=vs.85%29.aspx>
>>>>>>>>  that
>>>>>>>> accepts a PIP_ADAPTER_INFO
>>>>>>>> <https://msdn.microsoft.com/en-us/library/windows/desktop/aa366062(v=vs.85).aspx>
>>>>>>>>  structure.
>>>>>>>> I subclassed NBExternalStructure to define this struct and the other 
>>>>>>>> used
>>>>>>>> by it in the image but my NB call returned with 87 code (Invalid 
>>>>>>>> parameter)
>>>>>>>> and it was impossible to debug. However, I would like to make this 
>>>>>>>> thing
>>>>>>>> work to understand what went wrong.
>>>>>>>>
>>>>>>>
>>>>>>> Has this something to do with 32|64 bit library complications?
>>>>>>>
>>>>>>
>>>>>> Not exactly. For me, it was more related to the fact that I had to
>>>>>> map a complex C struct in Pharo. Here is an excerpt of the definition 
>>>>>> from
>>>>>> MSDN:
>>>>>>
>>>>>> typedef struct _IP_ADAPTER_INFO {
>>>>>>   struct _IP_ADAPTER_INFO  *Next;
>>>>>>  ...
>>>>>>   PIP_ADDR_STRING         CurrentIpAddress;
>>>>>>           IP_ADDR_STRING          GatewayList;
>>>>>> ...
>>>>>> }
>>>>>>
>>>>>> So, I had to define three external structures (all names in capitals)
>>>>>> and I did the effort but in the end I got an error code that I could not
>>>>>> debug in the image. Hence, I gave up and opted to go in the native
>>>>>> environment. But I would like someone knowledgable to have a look at my
>>>>>> nativeboost code  because the nativeboost approach is more simple
>>>>>> (everything's in the image).
>>>>>>
>>>>>
>>>>> I can have a look.
>>>>>
>>>>> btw. for what do you need the mac address?
>>>>>
>>>>>
>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> usman
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> Phil
>>>>>>>
>>>>>>>>
>>>>>>>> With ProcessWrapper, I could not load the classes essential for
>>>>>>>> making the plugin work.
>>>>>>>>
>>>>>>>> HTH,
>>>>>>>>
>>>>>>>> Usman
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Mon, May 4, 2015 at 2:54 PM, Ben Coman <b...@openinworld.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> As a complete newb to VM building I found this fairly straight
>>>>>>>>> forward (on a Mac btw).
>>>>>>>>> https://github.com/pharo-project/pharo-vm
>>>>>>>>> cheers -ben
>>>>>>>>>
>>>>>>>>> On Mon, May 4, 2015 at 5:28 PM, Usman Bhatti <
>>>>>>>>> usman.bha...@gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Sun, May 3, 2015 at 4:22 PM, Pierce Ng <pie...@samadhiweb.com>
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>> On Sat, May 02, 2015 at 03:55:47PM +0200, Usman Bhatti wrote:
>>>>>>>>>>> > 1/ OSProcess: I tried  (PipeableOSProcess command: 'ipconfig
>>>>>>>>>>> /all') output.
>>>>>>>>>>>
>>>>>>>>>>> I have used
>>>>>>>>>>> http://www.smalltalkhub.com/#!/~hernan/ProcessWrapper
>>>>>>>>>>> successfully
>>>>>>>>>>> back when I was on Windows using some now-ancient version of
>>>>>>>>>>> Pharo.
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> I had initially discarded the idea of using this project because
>>>>>>>>>> it required a plugin and the information of the plugin was outdated 
>>>>>>>>>> on
>>>>>>>>>> squeaksource. However, having evaluated superficially the complexity 
>>>>>>>>>> of
>>>>>>>>>> doing it with nativeboost (because too many external c struct 
>>>>>>>>>> involved in
>>>>>>>>>> the call), I would like to see if I am better off using this wrapper.
>>>>>>>>>>
>>>>>>>>>> I loaded it with:
>>>>>>>>>>
>>>>>>>>>> Gofer it
>>>>>>>>>>   url: 'http://www.smalltalkhub.com/mc/hernan/ProcessWrapper/main
>>>>>>>>>> ';
>>>>>>>>>>   package: 'ProcessWrapper-Core';
>>>>>>>>>>   package: 'ProcessWrapper-Plugin';
>>>>>>>>>>   package: 'ProcessWrapper-Tests';
>>>>>>>>>>   load.
>>>>>>>>>>
>>>>>>>>>> But the plugins wont load because it requires the
>>>>>>>>>> class SmartSyntaxInterpreterPlugin and apparently this file is a 
>>>>>>>>>> part of
>>>>>>>>>> the VMMaker. Is there any recent config for VMMaker in Pharo because 
>>>>>>>>>> this
>>>>>>>>>> one looks outdated:
>>>>>>>>>>
>>>>>>>>>> http://pharo.gemtalksystems.com/book/Virtual-Machine/Building/VMMakerTool/
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Pierce
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>
>>
>
>
>

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