private function establish()
{
$unix = in_array("unix", \stream_get_transports(), true);
if ($unix) {
$promise = \Amp\Socket\connect("unix://{$this->path}.sock");
} else {
$promise = \Amp\pipe(\Amp\file\get($this->path), 'Amp\\Socket\\connect');
}
$promise->when(function ($e, $sock) {
if ($e) {
$this->failAll();
return;
}
$this->sock = $sock;
$this->writeWatcher = \Amp\onWritable($sock, $this->writer);
});
}
private function initializeNewConnection(Deferred $promisor, $uri, $options)
{
$this->pendingSockets[$uri] = isset($this->pendingSockets[$uri]) ? $this->pendingSockets[$uri] + 1 : 1;
$futureSocket = \Amp\Socket\connect($uri, $options);
$futureSocket->when(function ($error, $socket) use($promisor, $uri, $options) {
if ($error) {
$promisor->fail($error);
} else {
$this->finalizeNewConnection($promisor, $uri, $socket, $options);
}
});
}
/**
* @return Promise
*/
private function connect()
{
if ($this->promisor) {
return $this->promisor->promise();
}
// Already connected
if (is_resource($this->socket)) {
return new Success();
}
$this->promisor = new \Amp\Deferred();
/** @var $socketPromise Promise */
$socketPromise = \Amp\Socket\connect($this->uri, ['timeout' => 1000]);
$socketPromise->when(function ($error, $socket) {
$promisor = $this->promisor;
$this->promisor = null;
$this->socket = $socket;
$this->reader = \Amp\onReadable($this->socket, [$this, "onRead"]);
$this->writer = \Amp\onWritable($this->socket, [$this, "onWrite"]);
$promisor->succeed();
});
return $this->promisor->promise();
}
