protected function sendAndReceive($request, stdClass $context)
{
$future = new Future();
$id = $this->getNextId();
$count =& $this->count;
$futures =& $this->futures;
$futures[$id] = $future;
if ($context->timeout > 0) {
$timeoutFuture = new Future();
$timer = swoole_timer_after($context->timeout, function () use($timeoutFuture) {
$timeoutFuture->reject(new TimeoutException('timeout'));
});
$future->whenComplete(function () use($timer) {
swoole_timer_clear($timer);
})->fill($timeoutFuture);
$future = $timeoutFuture->catchError(function ($e) use(&$count, &$futures, $id) {
unset($futures[$id]);
--$count;
throw $e;
}, function ($e) {
return $e instanceof TimeoutException;
});
}
if (!$this->connecting && ($this->ws === null || !$this->ws->isConnected())) {
$this->connect();
}
$ws = $this->ws;
if ($count < 100) {
++$count;
$this->ready->then(function () use($ws, $id, $request, &$futures) {
$data = pack('N', $id) . $request;
if ($ws->push($data, WEBSOCKET_OPCODE_BINARY, true) === false) {
if (isset($futures[$id])) {
$error = new Exception(socket_strerror($ws->errCode));
$futures[$id]->reject($error);
}
}
});
} else {
$this->requests[] = array($id, $request);
}
if ($context->oneway) {
$future->resolve(null);
}
return $future;
}
<?php
require_once "../vendor/autoload.php";
use Hprose\Swoole\Server;
use Hprose\Future;
$server = new Server("http://0.0.0.0:1315");
$server->setErrorTypes(E_ALL);
$server->setDebugEnabled();
$server->addFunction(function ($a, $b) use($server) {
$promise = new Future();
swoole_timer_after(1000, function () use($a, $b, $promise) {
$promise->resolve($a + $b);
});
return $promise;
}, "sum");
$server->start();
function settle($array)
{
return toFuture($array)->then(function ($array) {
$keys = array_keys($array);
$n = count($array);
$result = array();
if ($n === 0) {
return value($result);
}
$future = new Future();
$oncomplete = function ($index, $f) use($future, &$result, &$n, $keys) {
return function () use($index, $f, $future, &$result, &$n, $keys) {
$result[$index] = $f->inspect();
if (--$n === 0) {
$array = array();
foreach ($keys as $key) {
$array[$key] = $result[$key];
}
$future->resolve($array);
}
};
};
foreach ($array as $index => $element) {
$f = toFuture($element);
$f->whenComplete($oncomplete($index, $f));
}
return $future;
});
}
public function publish($topic, array $options = array())
{
$this->checkPushService();
if (is_array($topic)) {
foreach ($topic as $t) {
$this->publish($t, $options);
}
return $this;
}
$self = $this;
$timeout = isset($options['timeout']) ? $options['timeout'] : $this->timeout;
$heartbeat = isset($options['heartbeat']) ? $options['heartbeat'] : $this->heartbeat;
$this->topics[$topic] = new ArrayObject();
return $this->addFunction(function ($id) use($self, $topic, $timeout, $heartbeat) {
$topics = $self->getTopics($topic);
if (isset($topics[$id])) {
if ($topics[$id]->count < 0) {
$topics[$id]->count = 0;
}
$messages = $topics[$id]->messages;
if (!$messages->isEmpty()) {
$message = $messages->shift();
$message->detector->resolve(true);
$self->resetTimer($topics, $topic, $id);
return $message->result;
} else {
$self->delTimer($topics, $id);
$topics[$id]->count++;
}
} else {
$topics[$id] = new stdClass();
$topics[$id]->messages = new SplQueue();
$topics[$id]->count = 1;
$topics[$id]->heartbeat = $heartbeat;
$this->timer->setImmediate(function () use($self, $topic, $id) {
$onSubscribe = $self->onSubscribe;
if (is_callable($onSubscribe)) {
call_user_func($onSubscribe, $topic, $id, $self);
}
});
}
if (isset($topics[$id]->request)) {
$topics[$id]->request->resolve(null);
}
$request = new Future();
$request->complete(function () use($topics, $id) {
$topics[$id]->count--;
});
$topics[$id]->request = $request;
return $self->setRequestTimer($topic, $id, $request, $timeout);
}, $topic);
}
<?php
require_once "../vendor/autoload.php";
use Hprose\Future;
$p1 = new Future(function () {
return array(Future\value(1), Future\value(2));
});
$p1->then(function ($value) {
var_dump($value);
});
$p2 = Future\sync(function () {
return array(Future\value(1), Future\value(2));
});
$p2->then(function ($value) {
var_dump($value);
});