Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/773#discussion_r110038275
--- Diff:
exec/rpc/src/main/java/org/apache/drill/exec/rpc/AbstractRemoteConnection.java
---
@@ -224,4 +237,67 @@ public void close() {
}
}
+ /**
+ * Helps to add all the required security handler's after negotiation
for encryption is completed.
+ * <p>
+ * Handler's that are added are:
+ * <li> SaslDecryptionHandler
+ * <li> LengthFieldBasedFrameDecoder Handler
+ * <li> SaslEncryptionHandler
+ * <li> ChunkCreationHandler
+ * </p>
+ * <p>
+ * If encryption is enabled ChunkCreationHandler is always added
irrespective of chunkMode enabled or not.
+ * This helps to make a generic encryption handler.
+ * </p>
+ */
+ @Override
+ public void addSecurityHandlers() {
+
+ final ChannelPipeline channelPipeline = getChannel().pipeline();
+ channelPipeline.addFirst("SaslDecryptionHandler", new
SaslDecryptionHandler(saslBackend, getWrappedChunkSize(),
--- End diff --
Define handler names as class constants, specially "message-decoder", which
is from another class.
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