414913 - WebSocket / Performance - reduce ByteBuffer allocation/copying during generation/writing

+ Splitting Header bytes from payload bytes.
+ returning List<ByteBuffer> from WriteBytesProvider now
+ returning possibly more than 1 frame per
  WriteBytesProvider.getByteBuffers() for submission to
  Endpoint.write()'s gathered write of multiple bytebuffers

1 files changed, 10 insertions, 2 deletions

diff --git a/jetty-websocket/websocket-api/src/main/java/org/eclipse/jetty/websocket/api/extensions/Frame.java b/jetty-websocket/websocket-api/src/main/java/org/eclipse/jetty/websocket/api/extensions/Frame.java
index c4cf84bc6e..a1dae7530f 100644
--- a/jetty-websocket/websocket-api/src/main/java/org/eclipse/jetty/websocket/api/extensions/Frame.java
+++ b/jetty-websocket/websocket-api/src/main/java/org/eclipse/jetty/websocket/api/extensions/Frame.java
@@ -81,10 +81,13 @@ public interface Frame
 
     public ByteBuffer getPayload();
 
+    /**
+     * The original payload length ({@link ByteBuffer#remaining()})
+     * 
+     * @return the original payload length ({@link ByteBuffer#remaining()})
+     */
     public int getPayloadLength();
 
-    public int getPayloadStart();
-
     public Type getType();
 
     public boolean hasPayload();
@@ -108,5 +111,10 @@ public interface Frame
 
     public boolean isRsv3();
 
+    /**
+     * The current number of bytes left to read from the payload ByteBuffer.
+     * 
+     * @return the current number of bytes left to read from the payload ByteBuffer
+     */
     public int remaining();
 }