any user guide for this?

hi,

1st question is the purpose of this project, is it mean to forward tcp package from one server to another?

2nd, how should i send the msg to the listen port?
as send: echo "a:=1" | nc 127.0.0.1
the forwarder got ,
=========================================
[fluentd-forwarder] 2016/12/28 18:30:43.145474 Started handling connection from 127.0.0.1:58987
test1, c.input::: input
[fluentd-forwarder] 2016/12/28 18:30:43.145679 [pos 1]: only encoded map or array can be decoded into a slice (0)
[fluentd-forwarder] 2016/12/28 18:30:43.145697 Ended handling connection from 127.0.0.1:58987
==========================================