Re: re:Timing out an fgets

On 17 Aug, Joseph H Blythe wrote: > Joseph H Blythe wrote: > >> Hey php'ers >> >> I am currently developing a client for a server application, it is near >> completion but I still have to cover a few error conditions one being no >> response from the server at all. >> >> The application im using has provision to test this situation and allows >> you to send packets to it but will not respond at all. >> >> My problem is I am using fgets to receive a result from the server, but >> every time I test for this condition it just sits there trying and >> eventually ( after about 5 mins ) says page cannot be displayed. >> >> My question is how would I go about setting a time-out for the fgets >> command so that I may retry a number of times before sending a error >> message. >> >> I have tried something like this, of course I have already opened a >> socket and $pck would hold the info im trying to send. >> >> ... >> >> $i = 0; >> while( !fgets($fp, 1024) ) { >> if ( $i <= 2 ) { >> sleep(10); >> fputs($fp, $pck); >> or die("Error connecting to remote host"); >> } else { >> die("Maximum retry count reached"); >> } >> if ( fgets($fp, 1024) ) { >> break; >> } else { >> $i++; >> continue; >> } >> } >> >> ... >> >> The above code would handle the retries, but not a timeout as fgets just >> seems to keep trying until the browser timesout the page? >> > > I may have found a possible soultion in php's connection handling > functions, but I can't seem to get them to work! > > set_connection_timeout(10); > > while ( connection_timeout() == 0 ) { > fgets($fp,1024); > or die("No response"); > if ( connection_timeout() == 1 ) { > die("Connection Timed Out"); > } > } > > Now this don't work either my script refuses to timeout even with the > default timeout of 30 seconds, also I am unsure of what value connection > timeout is returning is it 0 for false and 1 for true or TRUE/FALSE???? > > Anyways there must be someway to tell the script to timeout, if I can get > this to work I can also run a function when the user aborts using the stop > button which will come in handy with connection_aborted. > > Please help! > > Regards, > > Joseph Blythe The manual says that connection_timeout returns true if the script has timed out. But in your example above, shouldn't you be setting max_execution_time to reset the timeout? I can't see a set_connection_timeout anywhere in the docs? Also, if you are using fsockopen, is the timeout argument not functional? Some theoretical thoughts from someone who has never used this stuff :-) Cheers -- David Robley | WEBMASTER & Mail List Admin RESEARCH CENTRE FOR INJURY STUDIES | http://www.nisu.flinders.edu.au/ AusEinet | http://auseinet.flinders.edu.au/ Flinders University, ADELAIDE, SOUTH AUSTRALIA