Add TProtocolTap: a meta-protocol for "wiretapping".

TProtocolTap is a protocol that passes reads through to a "source" protocol,
but mirrors them as writes to a "sink" protocol.


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665643 13f79535-47bb-0310-9956-ffa450edef68
3 files changed