Posted by amygdala on 12/17/51 11:53

"amygdala" <noreply@noreply.com> schreef in bericht
news:44bdc4f1$0$2030$9a622dc7@news.kpnplanet.nl...
> Hi,
>
> I'm trying to familiarise myself with socket programming in PHP on a XP
> Home
> SP2 box with Apache 2.0.58 / PHP 5.1.4.
>
> I've ran a few basic scripts now which I accessed through a telnet
> session. The purpose of these scripts is to simply return the input I
> type.
> They all pretty much have the same routine as shown below:
>
> -- begin snippet --
>
> do {
> // read client input
> $input = socket_read($spawn, 1024, PHP_NORMAL_READ) or die("Could not
> read input\n");
>
> if (trim($input) != "") {
> echo "Received input: $input\n";
>
> // if client requests session end
> if (trim($input) == "END") {
> // close the child socket
> // break out of loop
> socket_close($spawn);
> break;
> }
> // otherwise...
> else {
> // reverse client input and send back
> $output = strrev($input) . "\n";
> socket_write($spawn, $output . "? ", strlen (($output)+3)) or
> die("Could not write output\n");
> echo "Sent output: " . trim($output) . "\n";
> }
> }
> } while (true);
>
> -- end code snippet --
>
> Now, I read that the PHP_NORMAL_READ argument to socket_read() is buggy.
> This seems to be true for my configuration as well. When ommitting this
> argument the server seems to run fine except for 1 thing: The server
> returns every single character I type immediately, thus refusing to accept
> the 'END' request for instance. I would like to let the server return my
> input only when I have hit enter. The PHP manual seems to tell me that
> that is just exactly what the PHP_NORMAL_READ argument is supposed to
> accomplish.
>
> Is this true? And if so, is there a workaround for this?
>
> My goal is to write a low-end game server communicating with a flash
> client. I could imagine that in that case this isn't so much of an issue
> anymore since this client will probably send a whole 'command' string at a
> time. Is this a correct assumption?
>
> Thanks for your input.

Is there anyone who can shed a light on this matter? Much appreciated.

[Back to original message]