Socket Accept/Connection Question/Problem

Dave dave at looktowindward.com
Thu Feb 28 13:36:14 EST 2008


Hi Jim,

I will take a look, but these use UDP, I am not using UDP, I need to  
use straight TCP/IP.

All the Best
Dave


On 28 Feb 2008, at 18:20, Jim Ault wrote:

> Go to user spaces in Rev online
> alexTweedly
> sample stacks as
> Echo client
> Echo server
>
> These will run and show what an expert in the network field has  
> done for
> good sample stacks.
>
> It is what I used to get started.
>
> Jim Ault
> Las Vegas
>
>
> On 2/28/08 10:13 AM, "Dave" <dave at looktowindward.com> wrote:
>
>>
>> On 28 Feb 2008, at 17:50, Jim Ault wrote:
>>
>>>
>>> On 2/28/08 8:35 AM, "Dave" <dave at looktowindward.com> wrote:
>>>
>>>>
>>>> On 28 Feb 2008, at 16:10, Troy Rollins wrote:
>>>>
>>>>>
>>>>> On Feb 28, 2008, at 9:54 AM, Dave wrote:
>>>>>
>>>>>> Statement should call "ClientSocketOpen" if the Server accepted
>>>>>> the connection or call "socketError" or "socketTimeout" if there
>>>>>> was an error? e.g. the Server closed the socket?
>>>>>
>>>>> FWIW, I'm finding the whole "state of sockets" to be a bit of a
>>>>> conundrum as well. In my case, the client is not Rev, and it does
>>>>> indicate once a socket connection is made. However, Rev is acting
>>>>> as the server, and it seems hit or miss on determining if the
>>>>> client has disconnected.
>>>>
>>>> Great. It seems like a lot of RunRev, just bearly working if you  
>>>> know
>>>> *exactly* what to do and with no documentation and no support from
>>>> RunRev themselves, the whole experience one of frustration and  
>>>> suck-
>>>> it-and-see mentality.
>>>
>>> Actually, sockets are controlled by the operating system, so there
>>> are wide
>>> variations, even within XP.  Firewall hardware and software,
>>> routers, hubs,
>>> ISP protocols, and other device performance.
>>
>> I am only using Mac OS X at the moment.
>>
>>> To build a solid networking app you need to learn a lot about the
>>> world of
>>> protocols and idiosyncrasies, regardless of the programming  
>>> language.
>>
>> Well, I trying to use RunRev, I can communicate using other languages
>> ok. It's really the lack of any decent documentation or a robust
>> sample app that shows what you need to tweak in order to make it work
>> in the real world.
>>
>>> Rev has the tools and functions to build this, but you have to tune
>>> it to
>>> your equipment and configurations.
>>
>> That's what I mean, there is no documentation that I can find that
>> shows how to do this. I've found some sample code that was useful to
>> get going, but it's not well documented and it isn't really "real- 
>> life".
>>
>>> tip:  If your are using UDP and MacOSX, and testing for max packet
>>> size your
>>> equipment will allow, be sure to
>>> go to system prefences:network:ethernet
>>> change from automatic to manual
>>> then set your max packet size to jumbo vs 1500 default
>>>
>>> Otherwise, OSX will receive larger packets but not pass them to
>>> your Rev
>>> app.  This will be a silent failure and undertectable without an
>>> ACKNOWLEDGE
>>> loop that you would build.
>>
>> I am sending very small packets at the moment, maybe 30 characters
>> max. If and when I get this bit working it will send larger packets,
>> but the maximum will still be less that 2K.
>>
>>> By the way, I routinely build an ACK loop between my apps since
>>> networks are
>>> good at providing surprises.
>>
>> Not much help here, I can't do an NAK because the server is not
>> supposed to respond to a Client that isn't in the "Allowed" list.
>>
>> Thanks a lot
>> All the Best
>> Dave
>>
>>
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