149 lines
4.5 KiB
PHP
149 lines
4.5 KiB
PHP
<?php
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/**
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* API wrapper module.
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*
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* This file is part of MadelineProto.
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* MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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* MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Affero General Public License for more details.
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* You should have received a copy of the GNU General Public License along with MadelineProto.
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* If not, see <http://www.gnu.org/licenses/>.
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*
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* @author Daniil Gentili <daniil@daniil.it>
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* @copyright 2016-2020 Daniil Gentili <daniil@daniil.it>
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* @license https://opensource.org/licenses/AGPL-3.0 AGPLv3
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*
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* @link https://docs.madelineproto.xyz MadelineProto documentation
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*/
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namespace danog\MadelineProto\Ipc;
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use Amp\Deferred;
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use Amp\Ipc\Sync\ChannelledSocket;
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use Amp\Promise;
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use danog\MadelineProto\Logger;
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use function Amp\Ipc\connect;
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/**
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* IPC client.
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*/
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abstract class ClientAbstract
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{
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/**
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* IPC server socket.
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*/
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protected ChannelledSocket $server;
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/**
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* Requests promise array.
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*
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* @var Deferred[]
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*/
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private array $requests = [];
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/**
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* Wrappers array.
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*
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* @var Wrapper[]
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*/
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private array $wrappers = [];
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/**
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* Whether to run loop.
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*/
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protected bool $run = true;
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/**
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* Logger instance.
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*/
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public Logger $logger;
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protected function __construct()
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{
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}
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/**
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* Logger.
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*
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* @param string $param Parameter
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* @param int $level Logging level
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* @param string $file File where the message originated
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*
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* @return void
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*/
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public function logger($param, int $level = Logger::NOTICE, string $file = ''): void
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{
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if ($file === null) {
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$file = \basename(\debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 1)[0]['file'], '.php');
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}
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isset($this->logger) ? $this->logger->logger($param, $level, $file) : Logger::$default->logger($param, $level, $file);
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}
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/**
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* Main loop.
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*
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* @return \Generator
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*/
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protected function loopInternal(): \Generator
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{
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do {
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while ($payload = yield $this->server->receive()) {
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[$id, $payload] = $payload;
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if (!isset($this->requests[$id])) {
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Logger::log("Got response for non-existing ID $id!");
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} else {
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$promise = $this->requests[$id];
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unset($this->requests[$id]);
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if (isset($this->wrappers[$id])) {
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yield $this->wrappers[$id]->disconnect();
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unset($this->wrappers[$id]);
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}
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if ($payload instanceof ExitFailure) {
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$promise->fail($payload->getException());
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} else {
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$promise->resolve($payload);
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}
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unset($promise);
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}
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}
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if ($this->run) {
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$this->logger("Reconnecting to IPC server!");
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yield $this->server->disconnect();
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if ($this instanceof Client) {
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Server::startMe($this->session);
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$this->server = yield connect($this->session->getIpcPath());
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} else {
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return;
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}
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}
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} while ($this->run);
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}
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/**
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* Disconnect cleanly from main instance.
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*
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* @return \Generator
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*
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* @psalm-return \Generator<int, Promise, mixed, void>
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*/
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public function disconnect(): \Generator
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{
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$this->run = false;
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yield $this->server->disconnect();
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foreach ($this->wrappers as $w) {
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yield from $w->disconnect();
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}
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}
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/**
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* Call function.
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*
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* @param string|int $function Function name
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* @param array|Wrapper $arguments Arguments
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*
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* @return \Generator
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*/
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public function __call($function, $arguments): \Generator
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{
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$this->requests []= $deferred = new Deferred;
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if ($arguments instanceof Wrapper) {
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$this->wrappers[\count($this->requests) - 1] = $arguments;
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}
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yield $this->server->send([$function, $arguments]);
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return yield $deferred->promise();
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}
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}
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