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<?php |
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/** |
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* MCP Observability Handler. |
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* |
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* Bridges the MCP adapter's observability interface with this library's |
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* McpLogger, providing structured request/event metrics without external |
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* dependencies. Implements the single-method McpObservabilityHandlerInterface. |
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*/ |
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|
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declare( strict_types=1 ); |
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|
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namespace WPMedia\MCP\OAuth\Transport; |
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|
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use WP\MCP\Infrastructure\Observability\Contracts\McpObservabilityHandlerInterface; |
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use WP\MCP\Infrastructure\Observability\McpObservabilityHelperTrait; |
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use WPMedia\MCP\OAuth\Logging\McpLogger; |
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|
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/** |
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* Observability handler that writes MCP events to the MCP OAuth log. |
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*/ |
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class McpObservabilityHandler implements McpObservabilityHandlerInterface { |
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use McpObservabilityHelperTrait; |
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|
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/** |
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* Record an MCP event, optionally with timing data. |
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* |
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* Events are written via McpLogger under the 'OBSERVABILITY' scope. |
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* All events, including error/failure events, are only written when |
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* both WP_DEBUG_LOG and WP_DEBUG are enabled. |
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* |
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* @param string $event Event name (e.g. 'mcp.request', 'mcp.component.registration'). |
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* @param array $tags Key-value context tags (status, method, tool_name, etc.). |
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* @param float|null $duration_ms Optional request duration in milliseconds. |
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* @return void |
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*/ |
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public function record_event( string $event, array $tags = [], ?float $duration_ms = null ): void { |
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$formatted_event = self::format_metric_name( $event ); |
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$merged_tags = self::merge_tags( $tags ); |
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|
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if ( null !== $duration_ms ) { |
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$merged_tags['duration_ms'] = round( $duration_ms, 2 ); |
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} |
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|
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McpLogger::log( 'OBSERVABILITY', $formatted_event, $merged_tags ); |
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} |
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} |
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