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FeedLoop.php
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FeedLoop.php
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<?php
/**
* Update feeder loop.
*
* This file is part of MadelineProto.
* 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.
* 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.
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU General Public License along with MadelineProto.
* If not, see <http://www.gnu.org/licenses/>.
*
* @author Daniil Gentili <daniil@daniil.it>
* @copyright 2016-2019 Daniil Gentili <daniil@daniil.it>
* @license https://opensource.org/licenses/AGPL-3.0 AGPLv3
*
* @link https://docs.madelineproto.xyz MadelineProto documentation
*/
namespace danog\MadelineProto\Loop\Update;
use Amp\Loop;
use danog\MadelineProto\Loop\Impl\ResumableSignalLoop;
/**
* update feed loop.
*
* @author Daniil Gentili <daniil@daniil.it>
*/
class FeedLoop extends ResumableSignalLoop
{
use \danog\MadelineProto\Tools;
private $incomingUpdates = [];
private $parsedUpdates = [];
private $channelId;
private $updater;
public function __construct($API, $channelId = false)
{
$this->API = $API;
$this->channelId = $channelId;
}
public function loop()
{
$API = $this->API;
$this->updater = $API->updaters[$this->channelId];
if (!$this->API->settings['updates']['handle_updates']) {
return false;
}
while (!$this->API->settings['updates']['handle_updates'] || !$API->hasAllAuth()) {
if (yield $this->waitSignal($this->pause())) {
return;
}
}
$this->state = $this->channelId === false ? (yield $API->load_update_state_async()) : $API->loadChannelState($this->channelId);
while (true) {
while (!$this->API->settings['updates']['handle_updates'] || !$API->hasAllAuth()) {
if (yield $this->waitSignal($this->pause())) {
return;
}
}
if (yield $this->waitSignal($this->pause())) {
return;
}
if (!$this->API->settings['updates']['handle_updates']) {
return;
}
$API->logger->logger("Resumed $this");
while ($this->incomingUpdates) {
$updates = $this->incomingUpdates;
$this->incomingUpdates = [];
yield $this->parse($updates);
$updates = null;
}
while ($this->parsedUpdates) {
$parsedUpdates = $this->parsedUpdates;
$this->parsedUpdates = [];
foreach ($parsedUpdates as $update) {
yield $API->save_update_async($update);
}
$parsedUpdates = null;
$this->API->signalUpdate();
}
}
}
public function parse($updates)
{
reset($updates);
while ($updates) {
$key = key($updates);
$update = $updates[$key];
unset($updates[$key]);
if ($update['_'] === 'updateChannelTooLong') {
$this->API->logger->logger('Got channel too long update, getting difference...', \danog\MadelineProto\Logger::VERBOSE);
yield $this->updater->resume();
continue;
}
if (isset($update['pts'], $update['pts_count'])) {
$logger = function ($msg) use ($update) {
$pts_count = $update['pts_count'];
$double = isset($update['message']['id']) ? $update['message']['id'] * 2 : '-';
$mid = isset($update['message']['id']) ? $update['message']['id'] : '-';
$mypts = $this->state->pts();
$computed = $mypts + $pts_count;
$this->API->logger->logger("$msg. My pts: {$mypts}, remote pts: {$update['pts']}, computed pts: $computed, msg id: {$mid} (*2=$double), channel id: {$this->channelId}", \danog\MadelineProto\Logger::ERROR);
};
$result = $this->state->checkPts($update);
if ($result < 0) {
$logger('PTS duplicate');
continue;
}
if ($result > 0) {
$logger('PTS hole');
$this->updater->setLimit($this->state->pts() + $result);
yield $this->updater->resume();
$updates = array_merge($this->incomingUpdates, $updates);
$this->incomingUpdates = [];
continue;
}
if (isset($update['message']['id'], $update['message']['to_id']) && !in_array($update['_'], ['updateEditMessage', 'updateEditChannelMessage'])) {
if (!$this->API->check_msg_id($update['message'])) {
$logger('MSGID duplicate');
continue;
}
}
$logger('PTS OK');
$this->state->pts($update['pts']);
}
$this->save($update);
}
}
public function feed($updates)
{
$result = [];
foreach ($updates as $update) {
$res = $this->feedSingle($update);
if ($res instanceof \Generator) {
$res = yield $res;
}
$result[$res] = true;
}
return $result;
}
public function feedSingle($update)
{
$channelId = false;
switch ($update['_']) {
case 'updateNewChannelMessage':
case 'updateEditChannelMessage':
$channelId = isset($update['message']['to_id']['channel_id']) ? $update['message']['to_id']['channel_id'] : false;
break;
case 'updateChannelWebPage':
case 'updateDeleteChannelMessages':
$channelId = $update['channel_id'];
break;
case 'updateChannelTooLong':
$channelId = isset($update['channel_id']) ? $update['channel_id'] : false;
if (!isset($update['pts'])) {
$update['pts'] = 1;
}
break;
}
if ($channelId && !$this->API->getChannelStates()->has($channelId)) {
$this->API->loadChannelState($channelId, $update);
if (!isset($this->API->feeders[$channelId])) {
$this->API->feeders[$channelId] = new self($this->API, $channelId);
}
if (!isset($this->API->updaters[$channelId])) {
$this->API->updaters[$channelId] = new UpdateLoop($this->API, $channelId);
}
$this->API->feeders[$channelId]->start();
$this->API->updaters[$channelId]->start();
}
switch ($update['_']) {
case 'updateNewMessage':
case 'updateEditMessage':
case 'updateNewChannelMessage':
case 'updateEditChannelMessage':
$to = false;
$from = false;
$via_bot = false;
$entities = false;
if ($update['message']['_'] !== 'messageEmpty' && (
($from = isset($update['message']['from_id']) && !yield $this->API->peer_isset_async($update['message']['from_id'])) ||
($to = !yield $this->API->peer_isset_async($update['message']['to_id'])) ||
($via_bot = isset($update['message']['via_bot_id']) && !yield $this->API->peer_isset_async($update['message']['via_bot_id'])) ||
($entities = isset($update['message']['entities']) && !yield $this->API->entities_peer_isset_async($update['message']['entities'])) // ||
//isset($update['message']['fwd_from']) && !yield $this->fwd_peer_isset_async($update['message']['fwd_from'])
)) {
$log = '';
if ($from) {
$log .= "from_id {$update['message']['from_id']}, ";
}
if ($to) {
$log .= 'to_id '.json_encode($update['message']['to_id']).', ';
}
if ($via_bot) {
$log .= "via_bot {$update['message']['via_bot_id']}, ";
}
if ($entities) {
$log .= 'entities '.json_encode($update['message']['entities']).', ';
}
$this->API->logger->logger("Not enough data: for message update $log, getting difference...", \danog\MadelineProto\Logger::VERBOSE);
$update = ['_' => 'updateChannelTooLong'];
if ($channelId && $to) {
$channelId = false;
}
}
break;
default:
if ($channelId && !yield $this->API->peer_isset_async($this->API->to_supergroup($channelId))) {
$this->API->logger->logger('Skipping update, I do not have the channel id '.$channelId, \danog\MadelineProto\Logger::ERROR);
return false;
}
break;
}
if ($channelId !== $this->channelId) {
if (isset($this->API->feeders[$channelId])) {
return yield $this->API->feeders[$channelId]->feedSingle($update);
} else if ($this->channelId) {
return yield $this->API->feeders[false]->feedSingle($update);
}
}
$this->API->logger->logger('Was fed an update of type '.$update['_']." in $this...", \danog\MadelineProto\Logger::VERBOSE);
$this->incomingUpdates[] = $update;
return $this->channelId;
}
public function save($update)
{
$this->parsedUpdates[] = $update;
}
public function saveMessages($messages)
{
foreach ($messages as $message) {
if (!$this->API->check_msg_id($message)) {
$this->API->logger->logger("MSGID duplicate ({$message['id']}) in $this");
continue;
}
$this->API->logger->logger('Getdiff fed me message of type '.$message['_']." in $this...", \danog\MadelineProto\Logger::VERBOSE);
$this->parsedUpdates[] = ['_' => $this->channelId === false ? 'updateNewMessage' : 'updateNewChannelMessage', 'message' => $message, 'pts' => -1, 'pts_count' => -1];
}
}
public function __toString(): string
{
return !$this->channelId ? 'update feed loop generic' : "update feed loop channel {$this->channelId}";
}
}