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DoctrineCouchDBHandler.php (1.12 KB)

DynamoDbHandler.php (1.89 KB)

ElasticaHandler.php (3.66 KB)

ElasticsearchHandler.php (7.1 KB)

FilterHandler.php (6.92 KB)

FingersCrossed/

FingersCrossedHandler.php (7.99 KB)

FirePHPHandler.php (5.03 KB)

FleepHookHandler.php (3.44 KB)

GroupHandler.php (3.19 KB)

HandlerInterface.php (2.71 KB)

LogEntriesHandler.php (1.86 KB)

LogglyHandler.php (4.01 KB)

MandrillHandler.php (2.48 KB)

NoopHandler.php (908 B)

OverflowHandler.php (4.21 KB)

RollbarHandler.php (3.48 KB)

Slack/

SqsHandler.php (1.71 KB)

SymfonyMailerHandler.php (3.45 KB)

SyslogUdp/

SyslogUdpHandler.php (4.6 KB)

TestHandler.php (6.73 KB)

WebRequestRecognizerTrait.php (504 B)

ZendMonitorHandler.php (2.78 KB)

Edit: OverflowHandler.php

<?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Level;
use Monolog\Formatter\FormatterInterface;
use Monolog\LogRecord;

/**
 * Handler to only pass log messages when a certain threshold of number of messages is reached.
 *
 * This can be useful in cases of processing a batch of data, but you're for example only interested
 * in case it fails catastrophically instead of a warning for 1 or 2 events. Worse things can happen, right?
 *
 * Usage example:
 *
 * ```
 *   $log = new Logger('application');
 *   $handler = new SomeHandler(...)
 *
 *   // Pass all warnings to the handler when more than 10 & all error messages when more then 5
 *   $overflow = new OverflowHandler($handler, [Level::Warning->value => 10, Level::Error->value => 5]);
 *
 *   $log->pushHandler($overflow);
 *```
 *
 * @author Kris Buist <krisbuist@gmail.com>
 */
class OverflowHandler extends AbstractHandler implements FormattableHandlerInterface
{
    private HandlerInterface $handler;

/** @var array<int, int> */
    private array $thresholdMap = [];

/**
     * Buffer of all messages passed to the handler before the threshold was reached
     *
     * @var mixed[][]
     */
    private array $buffer = [];

/**
     * @param array<int, int> $thresholdMap Dictionary of log level value => threshold
     */
    public function __construct(
        HandlerInterface $handler,
        array $thresholdMap = [],
        $level = Level::Debug,
        bool $bubble = true
    ) {
        $this->handler = $handler;
        foreach ($thresholdMap as $thresholdLevel => $threshold) {
            $this->thresholdMap[$thresholdLevel] = $threshold;
        }
        parent::__construct($level, $bubble);
    }

/**
     * Handles a record.
     *
     * All records may be passed to this method, and the handler should discard
     * those that it does not want to handle.
     *
     * The return value of this function controls the bubbling process of the handler stack.
     * Unless the bubbling is interrupted (by returning true), the Logger class will keep on
     * calling further handlers in the stack with a given log record.
     *
     * @inheritDoc
     */
    public function handle(LogRecord $record): bool
    {
        if ($record->level->isLowerThan($this->level)) {
            return false;
        }

$level = $record->level->value;

if (!isset($this->thresholdMap[$level])) {
            $this->thresholdMap[$level] = 0;
        }

if ($this->thresholdMap[$level] > 0) {
            // The overflow threshold is not yet reached, so we're buffering the record and lowering the threshold by 1
            $this->thresholdMap[$level]--;
            $this->buffer[$level][] = $record;

return false === $this->bubble;
        }

if ($this->thresholdMap[$level] === 0) {
            // This current message is breaking the threshold. Flush the buffer and continue handling the current record
            foreach ($this->buffer[$level] ?? [] as $buffered) {
                $this->handler->handle($buffered);
            }
            $this->thresholdMap[$level]--;
            unset($this->buffer[$level]);
        }

$this->handler->handle($record);

return false === $this->bubble;
    }

/**
     * @inheritDoc
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        if ($this->handler instanceof FormattableHandlerInterface) {
            $this->handler->setFormatter($formatter);

return $this;
        }

throw new \UnexpectedValueException('The nested handler of type '.\get_class($this->handler).' does not support formatters.');
    }

/**
     * @inheritDoc
     */
    public function getFormatter(): FormatterInterface
    {
        if ($this->handler instanceof FormattableHandlerInterface) {
            return $this->handler->getFormatter();
        }

throw new \UnexpectedValueException('The nested handler of type '.\get_class($this->handler).' does not support formatters.');
    }
}