From cdd7ad020e165fe680703b6d3319b908b682fb7a Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Fri, 20 Oct 2023 17:12:29 +0300
Subject: jaeger-client -> opentelemetry

---
 .../sdk/Logs/SimplePsrFileLogger.php               | 83 ++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 vendor/open-telemetry/sdk/Logs/SimplePsrFileLogger.php

(limited to 'vendor/open-telemetry/sdk/Logs/SimplePsrFileLogger.php')

diff --git a/vendor/open-telemetry/sdk/Logs/SimplePsrFileLogger.php b/vendor/open-telemetry/sdk/Logs/SimplePsrFileLogger.php
new file mode 100644
index 000000000..9d9d55de6
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Logs/SimplePsrFileLogger.php
@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Logs;
+
+use Psr\Log\InvalidArgumentException;
+use Psr\Log\LoggerInterface;
+use Psr\Log\LoggerTrait;
+use Psr\Log\LogLevel;
+use ReflectionClass;
+use Throwable;
+
+class SimplePsrFileLogger implements LoggerInterface
+{
+    use LoggerTrait;
+
+    private const DEFAULT_LOGGER_NAME = 'otel';
+
+    private static ?array $logLevels = null;
+
+    private string $filename;
+
+    private string $loggerName ;
+
+    /**
+     * @param string $filename
+     */
+    public function __construct(string $filename, string $loggerName = self::DEFAULT_LOGGER_NAME)
+    {
+        $this->filename = $filename;
+        $this->loggerName = $loggerName;
+    }
+
+    /**
+     * @psalm-suppress MoreSpecificImplementedParamType
+     */
+    public function log($level, $message, array $context = []): void
+    {
+        $level = strtolower($level);
+
+        if (!in_array($level, self::getLogLevels(), true)) {
+            throw new InvalidArgumentException(
+                sprintf('Invalid Log level: "%s"', $level)
+            );
+        }
+
+        file_put_contents($this->filename, $this->formatLog((string) $level, (string) $message, $context), FILE_APPEND);
+    }
+
+    /**
+     * @param string $level
+     * @param string $message
+     * @param array $context
+     * @return string
+     */
+    private function formatLog(string $level, string $message, array $context = []): string
+    {
+        try {
+            $encodedContext = json_encode($context, JSON_THROW_ON_ERROR);
+        } catch (Throwable $t) {
+            $encodedContext = sprintf('(Could not encode context: %s)', $t->getMessage());
+        }
+
+        return sprintf(
+            '[%s] %s %s: %s %s%s',
+            date(DATE_RFC3339_EXTENDED),
+            $this->loggerName,
+            $level,
+            $message,
+            $encodedContext,
+            PHP_EOL
+        );
+    }
+
+    /**
+     * @return array
+     */
+    private static function getLogLevels(): array
+    {
+        return self::$logLevels ?? self::$logLevels = (new ReflectionClass(LogLevel::class))->getConstants();
+    }
+}
-- 
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