chore: import upstream snapshot with attribution

2026-07-13 13:32:57 +08:00
commit cd420f9332
4811 changed files with 884702 additions and 0 deletions
@@ -0,0 +1,85 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { type ExportResult, ExportResultCode, hrTimeToMicroseconds } from "@opentelemetry/core";
+import type { ReadableSpan, SpanExporter } from "@opentelemetry/sdk-trace-base";
+
+export class LoggerSpanExporter implements SpanExporter {
+  /**
+   * Export spans.
+   * @param spans
+   * @param resultCallback
+   */
+  export(spans: ReadableSpan[], resultCallback: (result: ExportResult) => void): void {
+    return this._sendSpans(spans, resultCallback);
+  }
+
+  /**
+   * Shutdown the exporter.
+   */
+  shutdown(): Promise<void> {
+    this._sendSpans([]);
+    return this.forceFlush();
+  }
+
+  /**
+   * Exports any pending spans in exporter
+   */
+  forceFlush(): Promise<void> {
+    return Promise.resolve();
+  }
+
+  /**
+   * converts span info into more readable format
+   * @param span
+   */
+  private _exportInfo(span: ReadableSpan) {
+    const parentSpanId = span.parentSpanContext?.spanId;
+
+    return {
+      traceId: span.spanContext().traceId,
+      parentId:
+        parentSpanId && parentSpanId !== "" && parentSpanId !== "0000000000000000"
+          ? parentSpanId
+          : undefined,
+      traceState: span.spanContext().traceState?.serialize(),
+      message: span.name,
+      spanId: span.spanContext().spanId,
+      kind: span.kind,
+      timestamp: hrTimeToMicroseconds(span.startTime),
+      duration: hrTimeToMicroseconds(span.duration),
+      attributes: span.attributes,
+      status: span.status,
+      events: span.events,
+      links: span.links,
+      level: "trace",
+    };
+  }
+
+  /**
+   * Showing spans in console
+   * @param spans
+   * @param done
+   */
+  private _sendSpans(spans: ReadableSpan[], done?: (result: ExportResult) => void): void {
+    for (const span of spans) {
+      console.log(JSON.stringify(this._exportInfo(span)));
+    }
+    if (done) {
+      return done({ code: ExportResultCode.SUCCESS });
+    }
+  }
+}