Fix a regression introduced after the MYR patch.

Motivation:

The MYR patches conservatively ignores any header frame when the go away status is not null, which prevents receiving end headers frame. We should only guard against the requests.

Changes:

Dispatch headers ending frames.

Author: vietj

vertx-core/src/main/java/io/vertx/core/http/impl/http2/codec/Http2ConnectionImpl.java

@@ -147,12 +147,12 @@ void onStreamWritabilityChanged(Http2Stream s) {
   void onStreamClosed(Http2Stream s) {
     Http2StreamBase stream = s.getProperty(streamKey);
     if (stream != null) {
-      boolean active = chctx.channel().isActive();
-      if (goAwayStatus != null) {
-        stream.onException(new HttpClosedException(goAwayStatus));
-      } else if (!active) {
-        stream.onException(HttpUtils.STREAM_CLOSED_EXCEPTION);
-      }
+//      boolean active = chctx.channel().isActive();
+//      if (goAwayStatus != null) {
+//        stream.onException(new HttpClosedException(goAwayStatus));
+//      } else if (!active) {
+//        stream.onException(HttpUtils.STREAM_CLOSED_EXCEPTION);
+//      }
       stream.onClose();
     }
   }
@@ -208,7 +208,7 @@ public void onPriorityRead(ChannelHandlerContext ctx, int streamId, int streamDe
 
   @Override
   public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int streamDependency, short weight, boolean exclusive, int padding, boolean endOfStream) throws Http2Exception {
-    if (goAwayStatus == null) {
+    if (goAwayStatus == null || endOfStream) {
       StreamPriority streamPriority = new StreamPriority()
         .setDependency(streamDependency)
         .setWeight(weight)
@@ -219,7 +219,7 @@ public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers
 
   @Override
   public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int padding, boolean endOfStream) throws Http2Exception {
-    if (goAwayStatus == null) {
+    if (goAwayStatus == null || endOfStream) {
       onHeadersRead(streamId, headers, null, endOfStream);
     }
   }