public function current() { if ($this->isLastChunk) { return $this->applyChunkEncoding(''); } elseif (($current = $this->iterator->current()) === '') { return null; } elseif (is_string($current)) { return $this->applyChunkEncoding($current); } elseif ($current instanceof Promise) { $future = new Future(); $current->when(function ($error, $result) use($future) { if ($error) { $future->fail($error); } elseif (is_string($result)) { $future->succeed($this->applyChunkEncoding($result)); } else { $future->fail(new \DomainException(sprintf('Only string/Promise elements may be chunked; %s provided', gettype($result)))); } }); return $future->promise(); } else { // @TODO How to react to an invalid type returned from an iterator? return null; } }
/** * Return a key-value array of headers to add to the outbound request * * @return \Amp\Promise * @TODO */ public function getHeaders() { // @TODO Implement non-blocking php-uv header retrieval. // For now we'll just use the dumb blocking version. // v1.0.0 cannot be a thing until this is implemented. $promisor = new Future(); $this->getLength()->when(function ($error, $result) use($promisor) { if ($error) { $promisor->fail($error); } else { $promisor->succeed(['Content-Length' => $result]); } }); return $promisor->promise(); }
private function finalizeNewConnection(Future $future, $uri, $socket, $options) { if (--$this->pendingSockets[$uri] === 0) { unset($this->pendingSockets[$uri]); } $socketId = (int) $socket; $poolStruct = new SocketPoolStruct(); $poolStruct->id = $socketId; $poolStruct->uri = $uri; $poolStruct->resource = $socket; $poolStruct->isAvailable = false; $poolStruct->msIdleTimeout = $options[self::OP_MS_IDLE_TIMEOUT]; $this->sockets[$uri][$socketId] = $poolStruct; $this->socketIdUriMap[$socketId] = $uri; $future->succeed($poolStruct->resource); if (empty($this->queuedSocketRequests[$uri])) { unset($this->queuedSocketRequests[$uri]); } }
private function sumMultipartFieldLengths(array $fields) { $lengths = []; foreach ($fields as $field) { if (is_string($field)) { $lengths[] = strlen($field); } else { $lengths[] = $field->getLength(); } } $promisor = new Future(); \Amp\all($lengths)->when(function ($error, $result) use($promisor) { if ($error) { $promisor->fail($error); } else { $promisor->succeed(array_sum($result)); } }); return $promisor->promise(); }
private function tunnelThroughProxy(Future $future, $socket, $authority) { if (empty(stream_context_get_options($socket)['artax*']['is_tunneled'])) { $futureTunnel = $this->tunneler->tunnel($socket, $authority); $futureTunnel->when(function ($error) use($future, $socket) { if ($error) { $future->fail($error); } else { $future->succeed($socket); } }); } else { $future->succeed($socket); } }