Fix ClientSocket
Fix ClientSocket

Test Plan: run tests

Reviewed By: spalamarchuk

Differential Revision: D2698724

fb-gh-sync-id: b5f6dc07edcd279648d5adb2bfcf58e941b84112

yqzhang/mcrouter,synecdoche/mcrouter,facebook/mcrouter,nvaller/mcrouter,synecdoche/mcrouter,yqzhang/mcrouter,synecdoche/mcrouter,nvaller/mcrouter,nvaller/mcrouter,facebook/mcrouter,facebook/mcrouter,yqzhang/mcrouter,nvaller/mcrouter,facebook/mcrouter,yqzhang/mcrouter,synecdoche/mcrouter