Norman Maurer e26bbfd4a7 Use ByteBuf.readSlice(...).retain() to minimize memory copies.
Motivation:
At the moment we call ByteBuf.readBytes(...) in these handlers but with optimizations done as part of 25e0d9d we can just use readSlice(...).retain() and eliminate the memory copy.

Modifications:
Replace ByteBuf.readBytes(...) usage with readSlice(...).retain().

Result:
Less memory copies.
2014-05-10 16:05:50 +02:00
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