urlSession(_:webSocketTask:didCloseWith:reason:)
Tells the delegate that the WebSocket task received a close frame from the server endpoint, optionally including a close code and reason from the server.
Declaration
optional func urlSession(_ session: URLSession, webSocketTask: URLSessionWebSocketTask, didCloseWith closeCode: URLSessionWebSocketTask.CloseCode, reason: Data?)Parameters
- session:
The session of the WebSocket task that closed.
- webSocketTask:
The WebSocket task that closed.
- closeCode:
The close code provided by the server. If the close frame didn’t include a close code, this value is
nil. - reason:
The close reason provided by the server. If the close frame didn’t include a reason, this value is
nil.