Summary:
This change mainly removes the connection timeout period as it may introduce a race condition in which slow server connections get terminated potentially creating connection loops.
Also, suspend and wait for all operations to complete once a socket is disconnected.
Reviewed By: ivanmisuno
Differential Revision: D43048252
fbshipit-source-id: 64c28a3d3d2fd4e065084d5f55a17444385c07e0
e9c0a459dd