RPCClient State Lifecycle

CLOSED

• RPC calls while in this state are rejected.
• RPC responses will be silently dropped.

CONNECTING

• RPC calls & responses while in this state will be queued.

OPEN

• Previously queued messages are sent to the server upon entering this state.
• RPC calls & responses now flow freely.

CLOSING

• RPC calls while in this state are rejected.
• RPC responses will be silently dropped.