feat: support batched traces

processor.go

@@ -89,15 +89,27 @@ func (tp *LogSamplerProcessor) Capabilities() consumer.Capabilities {
 }
 
 /**
- * For each trace, record the trace id in a buffer.
+ * Every trace's trace id that is processed by the processor is being remembered.
  */
 func (tp *LogSamplerProcessor) ConsumeTraces(ctx context.Context, td ptrace.Traces) error {
-	traceId := td.ResourceSpans().At(0).ScopeSpans().At(0).Spans().At(0).TraceID()
+	for i := range td.ResourceSpans().Len() {
+		resourceSpans := td.ResourceSpans().At(i)
 
-	if !traceId.IsEmpty() {
-		tp.traceIdTtlMap.Add(hex.EncodeToString(traceId[:]))
+		for j := range resourceSpans.ScopeSpans().Len() {
+			scopeSpans := resourceSpans.ScopeSpans().At(j)
 
-		tp.logger.Debug("Trace added to buffer", zap.String("traceId", hex.EncodeToString(traceId[:])))
+			for k := range scopeSpans.Spans().Len() {
+				span := scopeSpans.Spans().At(k)
+				traceId := span.TraceID()
+
+				if !traceId.IsEmpty() {
+					traceIdStr := hex.EncodeToString(traceId[:])
+					tp.traceIdTtlMap.Add(traceIdStr)
+
+					tp.logger.Debug("Trace added to buffer", zap.String("traceId", traceIdStr))
+				}
+			}
+		}
 	}
 
 	return tp.nextTracesConsumer.ConsumeTraces(ctx, td)