/**
* @param int $domain
* @param int $type
* @param int $protocol
* @return Socket
* @throws Exception
*/
public function create($domain, $type, $protocol)
{
$sock = @socket_create($domain, $type, $protocol);
if ($sock === false) {
throw Exception::createFromGlobalSocketOperation('Unable to create socket');
}
return new Socket($sock);
}
/**
* read up to $length bytes from connect()ed / accept()ed socket
*
* @param int $length maximum length to read
*
* @return string
* @throws Exception on error
* @see self::recv() if you need to pass flags
* @uses socket_read()
*/
public function read($length = null)
{
if ($length == null) {
$length = self::SOCKET_DEFAULT_LENGTH;
}
$data = fgets($this->resource, $length);
$response = '';
while ($data) {
$response .= $data;
// Usually this means there are more lines
if ($data[3] != '-') {
break;
}
$data = fgets($this->resource, $length);
}
if ($data === false) {
throw Exception::createFromSocketResource($this->resource);
}
return $response;
}
/**
* create TCP/IPv4 stream socket and listen for new connections
*
* @param int $port
* @param int $backlog
* @return \Socket\Raw\Socket
* @throws Exception if creating listening socket fails
* @uses socket_create_listen()
* @see self::createServer() as an alternative to bind to specific IP, IPv6, UDP, UNIX, UGP
*/
public function createListen($port, $backlog = 128)
{
$sock = @socket_create_listen($port, $backlog);
if ($sock === false) {
throw Exception::createFromGlobalSocketOperation('Unable to create listening socket');
}
return new Socket($sock);
}
