[UNDERTOW-2485]-Create a default constant for UndertowOptions.MAX_QUEUED_READ_BUFFERS

Author: mugdha273

core/src/main/java/io/undertow/UndertowOptions.java

@@ -344,7 +344,14 @@ public class UndertowOptions {
     public static final Option<Integer> MAX_CONCURRENT_REQUESTS_PER_CONNECTION = Option.simple(UndertowOptions.class, "MAX_CONCURRENT_REQUESTS_PER_CONNECTION", Integer.class);
 
     /**
-     * The maximum number of buffers that will be used before reads are paused in framed protocols. Defaults to 10
+     * Default value of {@link #MAX_QUEUED_READ_BUFFERS} option.
+     */
+    public static final int DEFAULT_MAX_QUEUED_READ_BUFFERS = 16;
+
+    /**
+     * The maximum number of buffers that will be used before reads are paused in framed protocols.
+     * <p>
+     * Defaults to {@link #DEFAULT_MAX_QUEUED_READ_BUFFERS}
      */
     public static final Option<Integer> MAX_QUEUED_READ_BUFFERS = Option.simple(UndertowOptions.class, "MAX_QUEUED_READ_BUFFERS", Integer.class);
 

core/src/main/java/io/undertow/server/protocol/framed/AbstractFramedChannel.java

@@ -205,7 +205,7 @@ public void handleEvent(AbstractFramedChannel channel) {
      */
     protected AbstractFramedChannel(final StreamConnection connectedStreamChannel, ByteBufferPool bufferPool, FramePriority<C, R, S> framePriority, final PooledByteBuffer readData, OptionMap settings) {
         this.framePriority = framePriority;
-        this.maxQueuedBuffers = settings.get(UndertowOptions.MAX_QUEUED_READ_BUFFERS, 16);
+        this.maxQueuedBuffers = settings.get(UndertowOptions.MAX_QUEUED_READ_BUFFERS, UndertowOptions.DEFAULT_MAX_QUEUED_READ_BUFFERS);
         this.settings = settings;
         if (readData != null) {
             if(readData.getBuffer().hasRemaining()) {