[ENet-discuss] Platforms other then Windows and *nix?

Doug Warren dwarren at thebigwave.net
Thu Aug 8 14:00:32 PDT 2013


And actually from Patricks point of view that's even worse.  What if the
embeded device has no RTC then every random seed on startup would be the
same.  Perhaps enet_random_entropy() in each platform would be more clear.


On Thu, Aug 8, 2013 at 1:18 PM, Lee Salzman <lsalzman at gmail.com> wrote:

> Not quite, enet_time_get() is for returning a running time counter, and is
> not really intended for providing a time-differentiated random seed. If you
> start up enet in quick succession making connections, then the random seeds
> can more easily accidentally overlap. The idea here is to get actual time
> in seconds so that on successive startups of enet the chance of collisions
> is much smaller. And it's intended that time() is pretty standard, and
> originally that's all that was used... Except that Win32 in its usual
> rebelliousness, doesn't quite like this without linking against more extra
> libraries, so I opted for timeGetTime() there. Chill out. It's not the end
> of the world.
>
>
> On 08/08/2013 10:56 PM, Patrick Klos wrote:
>
>> On 8/8/2013 2:00 PM, Doug Warren wrote:
>>
>>> You'd have to define your terms a bit better.  It's straight C, if you
>>> have berkley sockets and anything even vaguely resembling POSIX there
>>> should be no need for extra support.  I use the same build scripts for
>>> iOS/Android/OSX/Linux.
>>>
>>
>> The platform in question uses lwIP <http://savannah.nongnu.org/**
>> projects/lwip/ <http://savannah.nongnu.org/projects/lwip/>> (a
>> lightweight IP stack).  Not real close to POSIX, but the basic functions
>> are there.  It's not quite _extra_ support, but it's _different_ support.
>>  I have it essentially working.
>>
>>
>>  https://github.com/lsalzman/**enet/blob/master/host.c<https://github.com/lsalzman/enet/blob/master/host.c>shows a single check for a platform specific check regarding how to get a
>>> uint32 timestamp.
>>>
>>
>> Which is completely unnecessary when the platform abstraction layer
>> (win32.c and unix.c) provides the enet_time_get() function!?!  It doesn't
>> make sense why that function wouldn't be used?
>>
>> Patrick
>>
>>
>>
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