Re: socket_recvfrom

>> Is this binary data you are transmitting? It is a TFTP data packet which starts with 0x00 0x03 0xhh 0xll and then has string data following, but I guess the first 0x00 will already be interpreted as the end of string? Torsten > On Tue, 2002-08-27 at 10:23, Torsten Schlabach wrote: > > Hi! > > > > I am not sure if I > > a) misunderstood what the function is good for > > b) found a documentation problem or > > c) found a bug. > > > > Maybe one of the more senior people on that list can advise me wether I > > should file a bug report or not. > > > > I am writing some code in PHP that makes use of the socket_ functions > and > > UDP communication. It is my understanding that the function > socket_recvfrom() > > is supposed to read from the socket up to as many bytes as I tell it, > store > > them in a buffer and fill in two variables that tell me from what > address:port > > the packet that I just read actually came from. > > > > Am I right with that? > > > yep > > > > > If so: Everything seems fine for me except that the buffer is always > empty > > though the functions reports to me that it read n bytes. The other thing > that > > scares me is that I can (or should I say: have to) issue an additional > > socket_read to read the same packet again; this time my buffer being > filles. > > I just took a look and it appears that socket_recvfrom is not binary > safe. I bet this is the problem you are seeing. Is this binary data you > are transmitting? > > I will have commit binary safety for the fix shortly > > -Jason > > > > > In fact I could leave out the socket_recvfrom() and just call > socket_read, > > but that way I do not get to know the address:port of the sender. > > > > But I don't think it is meant to be use that way (calling both functions > one > > after the other) to get one packet, is it? > > > > Any thoughts are welcome. > > > > Regards, > > Torsten > > > > > > -- > > PHP Development Mailing List <http://www.php.net/> > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > > > -- > PHP Development Mailing List <http://www.php.net/> > To unsubscribe, visit: http://www.php.net/unsub.php >