tree c78734069e6cc6cb4cf75d2a14fb792f1483b616
parent 9a852d0008b186bdf5b96ffececf6b6e328d0fa8
author Jungho Ahn <jhahn@google.com> 1436920526 -0700
committer Jungho Ahn <jhahn@google.com> 1436920736 -0700

websocket: avoid panic from invalid websocket requests

  When a client sends invalid websocket reuqests, the WaitGroup counter
  (httpReq) can be nagative leading to panic.
  Although go http.Server gracefully shutdowns the server from a panic,
  it would be nice to avoid it.

fix #611

Change-Id: I826fa7024e04f18b52982d651c2e5bbcb2dd4bd9