[ENet-discuss] A query about channels

[Alex Milstead]

In that case, is there a solid way to extract that identifier? Or will  
I need to do some I'm aware of sprintf calls, is it common practice to  
simply "sprintf" the first integer of the received binary data into a  
buffer and (effectively) switch-case on that buffer, then memcpy the  
remaining data that follows? Or is there a better way of doing this?

Cheers,
Alex

On Jan 17, 2010, at 2:39 PM, Thorbjørn Lindeijer <bjorn at lindeijer.nl>  
wrote:

> On Sun, Jan 17, 2010 at 19:50, Alex Milstead  
> <alex.milstead at gatech.edu> wrote:
>> Also, Jay you mentioned earlier that it was easy to do simple data- 
>> type
>> checking on the receiving end. I'm a bit of a fledgling network  
>> programmer
>> -- I'm still definitely becoming more acquainted the vast amount of
>> unfamiliar programming techniques in this particular arena. The only
>> surefire type-checking system I know about in programming is in  
>> java (=/),
>> with it's "instanceof" operator. As far as I know this type of  
>> mechanism, or
>> anything similar, doesn't really exist in C/C++. So my next  
>> question is, if
>> we're sending binary data along and receiving it as binary data,  
>> what's the
>> most efficient way of type-checking the probable struct being piped  
>> through?
>
> You give it a number which designates its type. You'd usually prepend
> such a number to each of your messages, so that you know how to
> interpret them on the other end.
>
> Regards,
> Bjørn
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