让Session继承net.Conn

[zwczou]

可以实现设置Read/Write Deadline，获取RemoteAddr, LocalAddr等

[codecov-io]

Codecov Report

Merging #58 into master will increase coverage by 0.09%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #58      +/-   ##
==========================================
+ Coverage   76.15%   76.24%   +0.09%     
==========================================
  Files           5        5              
  Lines         260      261       +1     
==========================================
+ Hits          198      199       +1     
  Misses         49       49              
  Partials       13       13

Impacted Files	Coverage Δ
session.go	85.57% <100%> (+0.14%)	⬆️
server.go	82.14% <100%> (ø)	⬆️
manager.go	77.5% <100%> (ø)	⬆️
api.go	51.21% <100%> (ø)	⬆️

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[patricksuo]

现在的层级关系是 Session -> Codec 。 Codec 内部可能持有 net.Conn。

比如我们有用例就是 Session 里面是一个虚拟的连接，而不是 net.Conn