Update Grizzly instrumentation to check active span instead of scope (#7982)

Author: mcculls

dd-java-agent/instrumentation/grizzly-2/src/main/java/datadog/trace/instrumentation/grizzly/GrizzlyBlockingHelper.java

@@ -5,7 +5,6 @@
 import datadog.appsec.api.blocking.BlockingContentType;
 import datadog.trace.api.gateway.Flow;
 import datadog.trace.bootstrap.blocking.BlockingActionHelper;
-import datadog.trace.bootstrap.instrumentation.api.AgentScope;
 import datadog.trace.bootstrap.instrumentation.api.AgentSpan;
 import java.io.OutputStream;
 import java.lang.invoke.MethodHandle;
@@ -36,14 +35,14 @@ public class GrizzlyBlockingHelper {
   private GrizzlyBlockingHelper() {}
 
   public static boolean block(
-      Request request, Response response, Flow.Action.RequestBlockingAction rba, AgentScope scope) {
+      Request request, Response response, Flow.Action.RequestBlockingAction rba, AgentSpan span) {
     return block(
         request,
         response,
         rba.getStatusCode(),
         rba.getBlockingContentType(),
         rba.getExtraHeaders(),
-        scope);
+        span);
   }
 
   public static boolean block(
@@ -52,7 +51,7 @@ public static boolean block(
       int statusCode,
       BlockingContentType bct,
       Map<String, String> extraHeaders,
-      AgentScope scope) {
+      AgentSpan span) {
     if (GET_OUTPUT_STREAM == null) {
       return false;
     }
@@ -77,15 +76,13 @@ public static boolean block(
       os.close();
       response.finish();
 
-      scope.span().getRequestContext().getTraceSegment().effectivelyBlocked();
+      span.getRequestContext().getTraceSegment().effectivelyBlocked();
       SpanClosingListener.LISTENER.onAfterService(request);
     } catch (Throwable e) {
       log.info("Error committing blocking response", e);
-      final AgentSpan span = scope.span();
       DECORATE.onError(span, e);
       DECORATE.beforeFinish(span);
       span.finish();
-      scope.close();
     }
 
     return true;

dd-java-agent/instrumentation/grizzly-2/src/main/java/datadog/trace/instrumentation/grizzly/GrizzlyDecorator.java

@@ -4,7 +4,7 @@
 import datadog.trace.api.gateway.BlockResponseFunction;
 import datadog.trace.api.internal.TraceSegment;
 import datadog.trace.bootstrap.instrumentation.api.AgentPropagation;
-import datadog.trace.bootstrap.instrumentation.api.AgentScope;
+import datadog.trace.bootstrap.instrumentation.api.AgentSpan;
 import datadog.trace.bootstrap.instrumentation.api.AgentTracer;
 import datadog.trace.bootstrap.instrumentation.api.URIDataAdapter;
 import datadog.trace.bootstrap.instrumentation.api.UTF8BytesString;
@@ -90,9 +90,9 @@ public boolean tryCommitBlockingResponse(
         int statusCode,
         BlockingContentType templateType,
         Map<String, String> extraHeaders) {
-      AgentScope agentScope = AgentTracer.get().activeScope();
-      if (agentScope == null) {
-        log.warn("Can't block: no active scope");
+      AgentSpan agentSpan = AgentTracer.get().activeSpan();
+      if (agentSpan == null) {
+        log.warn("Can't block: no active span");
         return false;
       }
 
@@ -102,7 +102,7 @@ public boolean tryCommitBlockingResponse(
           statusCode,
           templateType,
           extraHeaders,
-          agentScope);
+          agentSpan);
     }
   }
 }

dd-java-agent/instrumentation/grizzly-2/src/main/java/datadog/trace/instrumentation/grizzly/GrizzlyHttpHandlerInstrumentation.java

@@ -87,7 +87,7 @@ public static class HandleAdvice {
 
       Flow.Action.RequestBlockingAction rba = span.getRequestBlockingAction();
       if (rba != null) {
-        boolean success = GrizzlyBlockingHelper.block(request, response, rba, scope);
+        boolean success = GrizzlyBlockingHelper.block(request, response, rba, span);
         if (success) {
           return true; /* skip body */
         }

dd-java-agent/instrumentation/grizzly-http-2.3.20/src/main/java/datadog/trace/instrumentation/grizzlyhttp232/FilterAdvice.java

@@ -1,7 +1,7 @@
 package datadog.trace.instrumentation.grizzlyhttp232;
 
 import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.activateSpan;
-import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.activeScope;
+import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.activeSpan;
 import static datadog.trace.bootstrap.instrumentation.decorator.HttpServerDecorator.DD_SPAN_ATTRIBUTE;
 
 import datadog.trace.bootstrap.instrumentation.api.AgentScope;
@@ -15,7 +15,7 @@ public class FilterAdvice {
   @Advice.OnMethodEnter(suppress = Throwable.class)
   public static AgentScope onEnter(
       @Advice.This BaseFilter it, @Advice.Argument(0) final FilterChainContext ctx) {
-    if (ctx.getAttributes().getAttribute(DD_SPAN_ATTRIBUTE) == null || activeScope() != null) {
+    if (ctx.getAttributes().getAttribute(DD_SPAN_ATTRIBUTE) == null || activeSpan() != null) {
       return null;
     }
     AgentScope scope =