Motivation:
SslHandler.wrap(...) does a poor job when handling CompositeByteBuf as it always call ByteBuf.nioBuffer() which will do a memory copy when a CompositeByteBuf is used that is backed by multiple ByteBuf.
Modifications:
- Use SslEngine.wrap(ByteBuffer[]...) to allow wrap CompositeByteBuf in an efficient manner
- Reduce object allocation in unwrapNonAppData(...)
Result:
Performance improvement when a CompositeByteBuf is written and the SslHandler is in the ChannelPipeline.
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