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* develop: specify next release fix minimum version of innmind/immutable allow to pool servers together when accepting incoming connections add declarative way to accept incoming connection
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| <?php | ||
| declare(strict_types = 1); | ||
|
|
||
| namespace Innmind\IO\Sockets; | ||
|
|
||
| use Innmind\TimeContinuum\ElapsedPeriod; | ||
| use Innmind\Socket\{ | ||
| Server as Socket, | ||
| Server\Connection, | ||
| }; | ||
| use Innmind\Stream\Watch; | ||
| use Innmind\Immutable\{ | ||
| Maybe, | ||
| Predicate\Instance, | ||
| }; | ||
|
|
||
| /** | ||
| * @template-covariant T of Socket | ||
| */ | ||
| final class Server | ||
| { | ||
| /** @var T */ | ||
| private Socket $socket; | ||
| /** @var callable(?ElapsedPeriod): Watch */ | ||
| private $watch; | ||
| /** @var callable(T): Maybe<T> */ | ||
| private $wait; | ||
|
|
||
| /** | ||
| * @psalm-mutation-free | ||
| * | ||
| * @param callable(?ElapsedPeriod): Watch $watch | ||
| * @param T $socket | ||
| * @param callable(T): Maybe<T> $wait | ||
| */ | ||
| private function __construct( | ||
| callable $watch, | ||
| Socket $socket, | ||
| callable $wait, | ||
| ) { | ||
| $this->watch = $watch; | ||
| $this->socket = $socket; | ||
| $this->wait = $wait; | ||
| } | ||
|
|
||
| /** | ||
| * @psalm-mutation-free | ||
| * @internal | ||
| * @template A of Socket | ||
| * | ||
| * @param callable(?ElapsedPeriod): Watch $watch | ||
| * @param A $socket | ||
| * | ||
| * @return self<A> | ||
| */ | ||
| public static function of( | ||
| callable $watch, | ||
| Socket $socket, | ||
| ): self { | ||
| /** @var self<A> */ | ||
| return new self( | ||
| $watch, | ||
| $socket, | ||
| static fn(Socket $socket) => Maybe::just($socket), | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * @param self<T> $socket | ||
| * | ||
| * @return Server\Pool<T> | ||
| */ | ||
| public function with(self $socket): Server\Pool | ||
| { | ||
| return Server\Pool::of($this->watch, $this->socket, $socket->unwrap()); | ||
| } | ||
|
|
||
| /** | ||
| * @return T | ||
| */ | ||
| public function unwrap(): Socket | ||
| { | ||
| return $this->socket; | ||
| } | ||
|
|
||
| /** | ||
| * Wait forever for the socket to be ready to read before tryin to use it | ||
| * | ||
| * @psalm-mutation-free | ||
| * | ||
| * @return self<T> | ||
| */ | ||
| public function watch(): self | ||
| { | ||
| /** @var self<T> */ | ||
| return new self( | ||
| $this->watch, | ||
| $this->socket, | ||
| fn(Socket $socket) => ($this->watch)(null) | ||
| ->forRead($socket)() | ||
| ->map(static fn($ready) => $ready->toRead()) | ||
| ->flatMap(static fn($toRead) => $toRead->find( | ||
| static fn($ready) => $ready === $socket, | ||
| )) | ||
| ->keep(Instance::of(Socket::class)), | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * @psalm-mutation-free | ||
| * | ||
| * @return self<T> | ||
| */ | ||
| public function timeoutAfter(ElapsedPeriod $timeout): self | ||
| { | ||
| /** @var self<T> */ | ||
| return new self( | ||
| $this->watch, | ||
| $this->socket, | ||
| fn(Socket $socket) => ($this->watch)($timeout) | ||
| ->forRead($socket)() | ||
| ->map(static fn($ready) => $ready->toRead()) | ||
| ->flatMap(static fn($toRead) => $toRead->find( | ||
| static fn($ready) => $ready === $socket, | ||
| )) | ||
| ->keep(Instance::of(Socket::class)), | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * @return Maybe<Client<Connection>> | ||
| */ | ||
| public function accept(): Maybe | ||
| { | ||
| return ($this->wait)($this->socket) | ||
| ->flatMap(static fn($socket) => $socket->accept()) | ||
| ->map(fn($client) => Client::of( | ||
| $this->watch, | ||
| $client, | ||
| )); | ||
| } | ||
| } |
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