Support ssl sni

[matyhtf]

No description provided.

[codecov]

Codecov Report

Merging #3908 (67f5c42) into master (75709bc) will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3908      +/-   ##
==========================================
+ Coverage   48.92%   48.96%   +0.03%     
==========================================
  Files          69       69              
  Lines       12849    12849              
==========================================
+ Hits         6287     6291       +4     
+ Misses       6562     6558       -4     

Impacted Files	Coverage Δ
src/coroutine/socket.cc	40.80% <ø> (ø)
src/network/client.cc	44.44% <ø> (ø)
src/network/socket.cc	60.44% <ø> (+0.22%)	⬆️
src/server/master.cc	53.22% <ø> (ø)
src/server/port.cc	53.74% <ø> (ø)
src/server/reactor_thread.cc	55.48% <ø> (ø)
src/protocol/base.cc	64.62% <0.00%> (+2.04%)	⬆️

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