public function send(string $payload)
{
return pipe($this->connect(), function () use($payload) {
$this->outputBuffer .= $payload;
$this->outputBufferLength += strlen($payload);
if ($this->writeWatcher !== null) {
enable($this->writeWatcher);
}
});
}
/**
* Receive notifications from the server when it starts/stops
*
* @param \SplSubject $subject
* @return \Amp\Promise
*/
public function update(\SplSubject $subject) : amp\Promise
{
switch ($subject->state()) {
case Server::STARTED:
$this->debug = $subject->getOption("debug");
amp\enable($this->cacheWatcher);
break;
case Server::STOPPED:
amp\disable($this->cacheWatcher);
$this->cache = [];
$this->cacheTimeouts = [];
$this->cacheEntryCount = 0;
$this->bufferedFileCount = 0;
break;
}
return new amp\Success();
}
/**
* Write data to the socket
*
* Upon write completion the returned promise will resolve to an integer indicating
* the number of bytes written. If no bytes were written prior to disconnection the
* returned promise resolves to NULL.
*
* @param string $data
* @return \Amp\Promise<int|null>
*/
public function write($data)
{
$len = \strlen($data);
if (!($len && \is_string($data))) {
return new amp\Failure(new \LogicException("String of minimum length 1 required"));
}
$state = $this->state;
if (!$this->alive()) {
return new amp\Success(null);
}
if (empty($state->isWriteEnabled)) {
amp\enable($this->state->writeWatcherId);
$state->isWriteEnabled = true;
}
$op = new \StdClass();
$op->buffer = $data;
$op->size = $len;
$op->bytesWritten = null;
$op->promisor = $promisor = new amp\Deferred();
$state->writeOperations[] = $op;
return $promisor->promise();
}
/**
* Receive notifications from the server when it starts/stops
*
* @param Server $server
* @return \Amp\Promise
*/
public function update(Server $server) : amp\Promise
{
switch ($server->state()) {
case Server::STARTING:
$this->loadMimeFileTypes(__DIR__ . "/../etc/mime");
break;
case Server::STARTED:
$this->debug = $server->getOption("debug");
amp\enable($this->cacheWatcher);
break;
case Server::STOPPED:
amp\disable($this->cacheWatcher);
$this->cache = [];
$this->cacheTimeouts = [];
$this->cacheEntryCount = 0;
$this->bufferedFileCount = 0;
break;
}
return new amp\Success();
}
/**
* @param array $strings
* @return Promise
*/
public function send(array $strings)
{
foreach ($strings as $string) {
if (!is_scalar($string)) {
throw new \InvalidArgumentException("All elements must be of type string or scalar and convertible to a string.");
}
}
return pipe($this->connect(), function () use($strings) {
$payload = "";
foreach ($strings as $string) {
$payload .= "\$" . strlen($string) . "\r\n{$string}\r\n";
}
$payload = "*" . count($strings) . "\r\n{$payload}";
$this->outputBuffer .= $payload;
$this->outputBufferLength += strlen($payload);
if ($this->writeWatcher !== null) {
enable($this->writeWatcher);
}
});
}