Hi All,
I'm opening a port on a remote machine presently I'm using fsockopen() which
is fine for opening the port and sending data however I'm having trouble
reading data back from the port.
So I've considered using socket functions but do not appear to be able to
get a connection. When I run the code below pointing to 127.0.0.1 everything
runs fine however when I point to 192.168.123.193 (Another machine on the
local network without a server running) I get these errors.
Warning: socket_bind() unable to bind address [10049]: The requested address
is not valid in its context. in D:\php-dev\new.php on line 20
socket_bind() failed: reason: The requested address is not valid in its
context.
Warning: socket_listen() unable to listen on socket [10022]: An invalid
argument was supplied. in D:\php-dev\new.php on line 26
socket_listen() failed: reason: An invalid argument was supplied.
What does 'requested address is not valid in its context' mean?
Thanks
Zac
Code:
<?php
error_reporting (E_ALL);
/* Allow the script to hang around waiting for connections. */
set_time_limit (0);
/* Turn on implicit output flushing so we see what we're getting
* as it comes in. */
ob_implicit_flush ();
$address = "192.168.123.193";
$port = 5331;
if (($sock = socket_create(AF_INET, SOCK_STREAM, getprotobyname("TCP"))) <
0) {
echo "socket_create() failed: reason: " . socket_strerror ($sock) .
"<br>";
} else {
echo 'socket<br>';
}
if (($ret = socket_bind($sock, $address, $port)) == false) {
echo "socket_bind() failed: reason: " .
socket_strerror(socket_last_error($sock)) . "<br>";
} else {
echo 'bind<br>';
}
if (($ret = socket_listen ($sock, 5)) == false) {
echo "socket_listen() failed: reason: " .
socket_strerror(socket_last_error($sock)) . "<br>";
} else {
echo 'listen<br>';
}
socket_close ($sock);
?>
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