A quick note...
If you are not aware of cURL (curl.haxx.se), then you may want to look into it.
If you are, then please disregard this post.
-Jason Garber
At 11:06 PM 2/3/2002 -0800, Evan Nemerson wrote:
>Anyone know if there is a way yet to see if a socket is still connected to a
>host? I want to use a socket to send "GET / HTTP/1.0\r\n\r\n" over a socket,
>and retrieve everything the server sends. That part works great, but I can't
>figure out when the remote host disconnects.
>
>I have the CVS version of php.
>
>Here is the function so far. The problem is at the end.
>
>
>
>function getdata ($host, $port, $data)
>{
> /* well, the below comment would be true if i could get it
> working! */
>
> /* This function sends $data to $host:$port, then returns the
> response
> * until connection is severed. Great for HTTP, but won't usually work
> * too well in protocols where data needs to be analyzed, and replied
> * to appropriatly, such as POP v3 */
>
> // Create a socket
> $so = socket_create (AF_INET, SOCK_STREAM, getprotobyname("TCP"));
> if ( !$so )
> {
> exit("Could not create socket.\n");
> }
>
> // Connect...
> $ec = socket_connect ($so, $host, $port);
> if ( $ec < 0 )
> {
> exit ("ERROR $ec: ".socket_strerror($ec));
> }
>
> /* Write $data to socket. The manual doesn't say what it returns,
> but I'll
> * assume (even though it makes an ass out of you and me) that it
> is the same
> * as socket_connect() because it wouldn't be logical to return a
>descriptor. */
> $ec = socket_write ( $so, $data, ( strlen($data) ));
> if ( $ec < 0 )
> {
> exit ("ERROR $ec: ".socket_strerror($ec));
> }
> else
> {
> /* PROBLEM IS HERE- what do I put instead of while ( $x
> == 0 )??? */
> $x = 0;
> while ( $x == 0 )
> {
> $buffer = socket_read ( $so, 1, PHP_BINARY_READ);
> $string .= $buffer;
> }
> }
>
> // And (hopefully) return $string, for your viewing pleasure.
> return $string;
>}
>
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