Richard Luckhurst wrote:
> Hi List
>
> I am working with an application that has to run as a socket listener. It
> receives a string from another application on a certain socket and then does
> some processing and then passes the result back to the client application via
> the socket. Here is the listener code I am using
>
> while(true)
> {
> $client = socket_accept($socket);
>
> $arev_data = socket_read($client, 1024);
>
> $yresponse = build_XML_request($arev_data);
>
> socket_write($client, $yresponse);
>
> socket_close($client);
>
> }
> socket_close($socket);
>
> The application is working fine but I have just noticed that when the $yresponse
> variable is larger than 1024 bytes the string returned to the client is
> truncated. I just had a look at the php manual for socket_write and it
> mentions that truncating the data at the buffer size can be a problem. The
> manual does not offer any possible solutions though. I am stumped here as the
> value for $yresponse will often be larger than 1024 bytes and its length is
> quite variable.
>
> Does anyone have any suggestions on how I can make sure the entire contents of
> $yresponse are passed back to the client?
I would start by reading the relevant page:
http://php.net/socket_write
after reading that your first attempt will probably be this
(you may have complication is your using a multibyte charset):
socket_write($client, $yresponse, strlen($yresponse));
if that doesn't work, you will be looking at capturing the return value
of socket_write() in order to determine how many bytes were sent ...
this information will allow to to use a loop to call socket_write as many times
as is required to send all the data. hope that makes sense to you.
>
>
>
>
> Regards,
> Richard Luckhurst
> Product Development
> Exodus Systems - Sydney, Australia.
>
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