Remove legacy networking code

[Jon Turney]

On 28/01/2018 21:47, Jon Turney wrote:
> On 26/01/2018 16:56, SZAVAI Gyula wrote:
>> [PATCH setup 1/5] Remove direct(legacy) connection type
>> [PATCH setup 2/5] Rename IDC_NET_IE5 to IDC_NET_PRECONFIG
>> [PATCH setup 3/5] Remove NetIO_File
>> [PATCH setup 4/5] Add Proxy class
>> [PATCH setup 5/5] Remove NetIO_HTTP
> 
> Thanks, this is great.

I applied this patch series to setup, with a few tweaks to address my 
comments.

Sorry about the delay and thanks again!

> 
> A few minor comments:
> 
> 1/5:
> 
> It would be nice if you'd said in the patch commentary what will happen 
> to existing installations which are configured to use direct(legacy) - 
> they get converted to preconfig.
> 
> 3/5:
> 
> This changes to wininet handling all file access (converting raw paths 
> into file:// format URLs)
> 
> I had some concerns [1] that this maybe changes the set of malformed 
> file:// URLs we handle (which is ok, although it would be nice to know 
> the details), and still doesn't handle correctly formed ones.
> 
> [1] https://cygwin.com/ml/cygwin-apps/2017-05/msg00117.html
> 
> 4/5:
> 
> operator!= could probably use a comment along the lines of "it's only 
> meaningful to compare host:port if IDC_NET_PROXY"
> 
> It's unclear to me what Proxy::bypass() is doing.  MSDN actually says 
> "Do not use an empty string", for unclear reasons.
> 
> We can also remove simpsock.{cc,h} and linking with winsock, after this 
> series.