1--TEST--
2Test if socket_recvfrom() receives data sent by socket_sendto() via IPv4 UDP
3--SKIPIF--
4<?php
5if (!extension_loaded('sockets')) {
6    die('SKIP The sockets extension is not loaded.');
7}
8--FILE--
9<?php
10    $socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
11    if (!$socket) {
12        die('Unable to create AF_INET socket');
13    }
14    if (!socket_set_nonblock($socket)) {
15        die('Unable to set nonblocking mode for socket');
16    }
17
18    $address = '127.0.0.1';
19    socket_sendto($socket, '', 1, 0, $address); // cause warning
20    if (!socket_bind($socket, $address, 1223)) {
21        die("Unable to bind to $address:1223");
22    }
23
24	var_dump(socket_recvfrom($socket, $buf, 12, 0, $from, $port)); //false (EAGAIN - no warning)
25
26    $msg = "Ping!";
27    $len = strlen($msg);
28    $bytes_sent = socket_sendto($socket, $msg, $len, 0, $address, 1223);
29    if ($bytes_sent == -1) {
30        die('An error occurred while sending to the socket');
31    } else if ($bytes_sent != $len) {
32        die($bytes_sent . ' bytes have been sent instead of the ' . $len . ' bytes expected');
33    }
34
35    $from = "";
36    $port = 0;
37    socket_recvfrom($socket, $buf, 12, 0); // cause warning
38    socket_recvfrom($socket, $buf, 12, 0, $from); // cause warning
39    $bytes_received = socket_recvfrom($socket, $buf, 12, 0, $from, $port);
40    if ($bytes_received == -1) {
41        die('An error occurred while receiving from the socket');
42    } else if ($bytes_received != $len) {
43        die($bytes_received . ' bytes have been received instead of the ' . $len . ' bytes expected');
44    }
45    echo "Received $buf from remote address $from and remote port $port" . PHP_EOL;
46
47    socket_close($socket);
48--EXPECTF--
49Warning: Wrong parameter count for socket_sendto() in %s on line %d
50bool(false)
51
52Warning: socket_recvfrom() expects at least 5 parameters, 4 given in %s on line %d
53
54Warning: Wrong parameter count for socket_recvfrom() in %s on line %d
55Received Ping! from remote address 127.0.0.1 and remote port 1223
56--CREDITS--
57Falko Menge <mail at falko-menge dot de>
58PHP Testfest Berlin 2009-05-09
59