function __construct($ip, $port)
{
if (!($sock = @socket_create(AF_INET, SOCK_DGRAM, SOL_UDP))) {
warn("Failed to create socket");
usleep(100000);
AsyncSocket::poll(0.5);
if (!($sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP))) {
throw new ExAsyncSocket("Unable to create UDP socket");
}
}
if (socket_connect($sock, $ip, $port)) {
socket_set_nonblock($sock);
$this->sock = $sock;
} else {
warn('sockets problem');
throw new ExAsyncSocket("Unable to connect to UDP {$ip}:{$port}");
}
}
/** query nameserver
@return instance of AsyncDNS that will return acutual result
*/
static function query($host, $type = 'A', $class = 'IN')
{
static $queries;
if (preg_match('/^(\\d+)\\.(\\d+)\\.(\\d+)\\.(\\d+)$/', $host, $regs)) {
$host = $regs[4] . '.' . $regs[3] . '.' . $regs[2] . '.' . $regs[1] . '.in-addr.arpa.';
$type = 'PTR';
}
$key = $class . $type . $host;
if (!isset(self::$resolvers[$key])) {
self::$resolvers[$key] = new AsyncDNS($host, $type, $class, $key);
$queries++;
if ($queries % 10 == 0) {
AsyncSocket::poll();
}
// prevents queue from getting too large
}
return self::$resolvers[$key];
}
function testPost(ISblamPost $p)
{
if (!$this->testPhases) {
return array(0, 0, "No tests");
}
$profiling = array();
$asyncpolltime = 0;
$results = array();
$totalspam = 0;
ksort($this->testPhases, SORT_NUMERIC);
foreach ($this->testPhases as $phase => $phaseTests) {
foreach ($phaseTests as $test) {
if (!$test instanceof ISblamTestPost) {
continue;
}
$start = microtime(true);
$test->preTestPost($p);
$profiling["p{$phase}:" . get_class($test)] = microtime(true) - $start;
}
foreach ($phaseTests as $test) {
if (!$test instanceof ISblamTestPost) {
continue;
}
$start = microtime(true);
AsyncSocket::poll(0);
// get those queued DNS queries
$asyncpolltime += microtime(true) - $start;
$start = microtime(true);
$tmpres = $test->testPost($p);
$profiling["t{$phase}:" . get_class($test)] = microtime(true) - $start;
$results[] = $tmpres;
if ($tmpres && is_numeric($tmpres[0])) {
$totalspam += $tmpres[0];
}
if ($totalspam > self::EARLY_ESCAPE_LIMIT) {
$results[] = array(6, 1, "Early escape", $profiling);
break 2;
}
}
}
$profiling['tst:AsyncSocket'] = $asyncpolltime;
$results = $this->sumResults($results);
$results[2] = implode('; ', $results[2]);
$results[3] = $profiling;
return $results;
}