protected function createSocketChannel($socket, int $chunkSize, int $length = null) : Channel
{
$size = (int) \max(1, \ceil(65535 / $chunkSize));
return Channel::fromGenerator($size, function (Channel $channel) use($socket, $length, $chunkSize) {
$reader = new SocketReader($socket);
$remaining = $length ?? \PHP_INT_MAX;
try {
while ($remaining && null !== ($chunk = (yield $reader->readBuffer(\min($remaining, $chunkSize))))) {
$remaining -= \strlen($chunk);
(yield $channel->send($chunk));
}
} finally {
$reader->dispose();
}
});
}
/**
* {@inheritdoc}
*/
public function channel(int $chunkSize = 4096, int $length = null) : Channel
{
return Channel::fromGenerator(16, function (Channel $channel) use($chunkSize, $length) {
(yield $this->executor->execute(function () use($channel, $chunkSize, $length) {
$remaining = $length ?? \PHP_INT_MAX;
while ($remaining && null !== ($chunk = (yield $this->stream->readBuffer(\min($remaining, $chunkSize))))) {
$remaining -= \strlen($chunk);
(yield $channel->send($chunk));
}
}));
});
}
/**
* {@inheritdoc}
*/
public function channel(int $chunkSize = 4096, int $length = null) : Channel
{
$size = (int) \max(1, \ceil($this->readBufferSize / $chunkSize));
return Channel::fromGenerator($size, function (Channel $channel) use($chunkSize, $length) {
$remaining = $length ?? \PHP_INT_MAX;
while ($remaining && null !== ($chunk = (yield $this->readBuffer(\min($remaining, $chunkSize))))) {
$remaining -= \strlen($chunk);
(yield $channel->send($chunk));
}
});
}
/**
* {@inheritdoc}
*/
public function handleConnection(HttpDriverContext $context, SocketStream $socket, callable $action) : Awaitable
{
return new Coroutine(function () use($context, $socket, $action) {
$remotePeer = $socket->getRemoteAddress();
$upgraded = false;
if ($this->logger) {
$this->logger->debug('Accepted new HTTP/1 connection from {peer}', ['peer' => $remotePeer]);
}
try {
$request = (yield from $this->parseNextRequest($context, $socket));
if ($request->getProtocolVersion() !== '1.0' && $request->hasHeader('Host')) {
try {
yield from $this->upgradeConnection($context, $socket, $request, $action, $upgraded);
if ($upgraded) {
return;
}
} catch (\Throwable $e) {
return yield from $this->sendErrorResponse($socket, $request, $e);
}
}
$tokens = $request->getHeaderTokenValues('Connection');
if (\in_array('upgrade', $tokens, true)) {
foreach ($tokens as $i => $token) {
if ($token === 'keep-alive') {
unset($tokens[$i]);
}
}
// Ensure connections with an upgrade token in the connection header are not pipelined / persistent.
$request = $request->withHeader('Connection', \implode(', ', \array_merge($tokens, ['close'])));
}
$pipeline = Channel::fromGenerator(10, function (Channel $channel) use($socket, $request, $context) {
yield from $this->parseIncomingRequests($context, $socket, $channel, $request);
});
try {
while (null !== ($next = (yield $pipeline->receive()))) {
if (!(yield from $this->processRequest($context, $socket, $action, $upgraded, ...$next))) {
break;
}
}
$pipeline->close();
} catch (\Throwable $e) {
$pipeline->close($e);
}
} finally {
try {
$socket->close();
} finally {
if ($this->logger && !$upgraded) {
$this->logger->debug('Closed HTTP/1 connection to {peer}', ['peer' => $remotePeer]);
}
}
}
});
}