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<?php
declare(strict_types=1);
namespace OpenTelemetry\SDK\Logs;
use Psr\Log\LogLevel as PsrLogLevel;
interface PsrSeverityMapperInterface
{
/**
* Severity code according to rfc5424 (Syslog Protocol)
* @see : https://datatracker.ietf.org/doc/html/rfc5424#page-10
*/
public const RFC_CODE = [
// Detailed debug information.
PsrLogLevel::DEBUG => 7,
// Interesting events. Examples: User logs in, SQL logs.
PsrLogLevel::INFO => 6,
// Normal but significant events.
PsrLogLevel::NOTICE => 5,
// Exceptional occurrences that are not errors. Examples: Use of deprecated APIs, poor use of an API,
// undesirable things that are not necessarily wrong.
PsrLogLevel::WARNING => 4,
// Runtime errors that do not require immediate action but should typically be logged and monitored.
PsrLogLevel::ERROR => 3,
// Critical conditions. Example: Application component unavailable, unexpected exception.
PsrLogLevel::CRITICAL => 2,
// Action must be taken immediately. Example: Entire website down, database unavailable, etc.
// This should trigger the alerts and wake you up.
PsrLogLevel::ALERT => 1,
// Emergency: system is unusable.
PsrLogLevel::EMERGENCY => 0,
];
/**
* Mappig of OpenTelemetry SeverityNumber to PsrLogLevel.
* @see: https://github.com/open-telemetry/opentelemetry-specification/blob/v1.7.0/specification/logs/data-model.md#field-severitynumber
*/
public const SEVERITY_NUMBER = [
PsrLogLevel::DEBUG => 5,
PsrLogLevel::INFO => 9,
PsrLogLevel::NOTICE => 10,
PsrLogLevel::WARNING => 13,
PsrLogLevel::ERROR => 17,
PsrLogLevel::CRITICAL => 18,
PsrLogLevel::ALERT => 21,
PsrLogLevel::EMERGENCY => 22,
];
}
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