Revision ad45aa1a59667f9f34fcb5c9d7f2a9c011b0c29b (click the page title to view the current version)

Behavioral/WebSocketProtocol

Simplified Web Socket Protocol

enum Request = open | close
abstract WebSocket
xor request -> Request ?
success
failure
xor states
initial ready
[ initially no request ]
[ request = open -[request.success]--> opened ]
[ request = open -[request.failure]--> failed ]
opened
[ initially no request ]
[ request = close -[request.success]--> closed ]
[ request = close -[request.failure]--> failed ]
closed --> closed
[ no request ]
failed --> failed
[ no request ]

Example scenarios

  1. Web socket successfully opened and closed
webSocketOpenedClosed : WebSocket
[ ready --> request = open && request.success --> opened -->> request = close && request.success --> closed --> closed ]
WebSocket WebSocket WebSocket WebSocket WebSocket WebSocket
  request->open   request->close
    success     success
ready   ready   opened   closed   closed
  1. Web socket successfully opened but failed to be closed
webSocketOpenedFailed : WebSocket
[ ready --> request = open && request.success --> opened -->> request = close && request.failure --> failed --> failed ]
WebSocket WebSocket WebSocket WebSocket WebSocket WebSocket
  request->open   request->close
    success     failure
  ready   ready   opened   failed  failed
  1. Web socket failed to be opened
webSocketFailed : WebSocket
[ ready --> request = open && request.failure --> failed --> failed ]
WebSocket WebSocket WebSocket WebSocket
  request->open
    failure
  ready   ready   failed   failed