Reading data from the network without knowing the size of the buffer that is coming
Roman Sztergbaum
rmscastle at gmail.com
Thu Mar 21 19:19:15 UTC 2019
On Thursday, 21 March 2019 at 18:27:56 UTC, Andre Pany wrote:
> On Thursday, 21 March 2019 at 16:54:01 UTC, Roman Sztergbaum
> wrote:
>> [...]
>
> I am also not a expert in this area. If the message received
> from the server exceeds 256 bytes, you have to call the receive
> message several times until you know you received all bytes.
>
> If the data received is smaller than 256 bytes, the array will
> contain NULL (character 0 value in the ascii table). This you
> might could use as indicator you received all values.
>
> Is the server really without protocol? If the server code is
> under your control, you could switch to http, which has a
> message length attribute.
>
> Ps. In case there is a network error, your program will
> terminate (out contract throws Error) without any chance to
> avoid this. You should throw an Exception at the end of method
> body instead for resource issues.
>
> Kind regards
> Andre
Hello,
I didn't precise it, but i use unix local socket communication,
the layer is the KERNEL, and not TCP. I think i cannot use module
http then.
But, i'm surprise that is not an other way that's is more simple,
i will wait for some other answers i think.
Thank's for your help
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