75 lines
1.7 KiB
Plaintext
75 lines
1.7 KiB
Plaintext
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Documenting the States of a WebSocket.
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NEW:
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A new WebSocket session.
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It has had no connection attempted yet.
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CONNECTING:
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The connection is being attempted, along with the Upgrade handshake.
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CONNECTED:
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The connection is established.
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The User WebSocket Endpoint has not been notified yet.
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OPEN:
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User WebSocket Endpoint has been Opened (the onOpen method has called)
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CLOSING:
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The close handshake has begun.
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Either the local initiated the close, waiting for the remote to reply.
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Or the remote initiated the close, and the local hasn't replied yet.
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This can be considered a logical half-closed state.
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CLOSED:
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The connection and session is closed.
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This means either the close handshake completed, or the connection was
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disconnected for other reasons.
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----
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Normal Client Initiated Close State Transition
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WSEndpoint created
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Http GET w/Upgrade initiated
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State: CONNECTING
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Upgrade Handshake negotiated (HTTP 101 response)
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State: CONNECTED
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WSEndpoint.onOpen() called
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State: OPEN
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WSEndpoint.onMessage()
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Session.close(local close details)
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Connection disconnect output
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State: CLOSING
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Remote: Received CLOSE Frame
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Connection disconnect completely
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WSEndpoint.onClose(remote close details)
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State: CLOSED
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----
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Normal Remote Initiated Close State Transition
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WSEndpoint created
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Http GET w/Upgrade initiated
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State: CONNECTING
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Upgrade Handshake negotiated (HTTP 101 response)
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State: CONNECTED
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WSEndpoint.onOpen() called
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State: OPEN
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WSEndpoint.onMessage()
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Remote: Receive CLOSE frame
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State: CLOSING
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Session.close(remote close details)
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Connection disconnect completely
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WSEndpoint.onClose(local close details)
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State: CLOSED
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