# Flow

These are the expected event flows/sequences.

## H11/H2

A typical HTTP/1 or HTTP/2 request with response with the connection specified to close on response.

            sequenceDiagram
      TCPServer->>H11/H2: RawData
      H11/H2->>HTTPStream: Request
      H11/H2->>HTTPStream: Body
      HTTPStream->>App:  http.request[more_body=True]
      H11/H2->>HTTPStream: EndBody
      HTTPStream->>App:  http.request[more_body=False]
      App->>HTTPStream: http.response.start
      App->>HTTPStream: http.response.body
      HTTPStream->>H11/H2: Response
      H11/H2->>TCPServer: RawData
      HTTPStream->>H11/H2: Body
      H11/H2->>TCPServer: RawData
      HTTPStream->>H11/H2: EndBody
      H11/H2->>TCPServer: RawData
      H11/H2->>HTTPStream: StreamClosed
      HTTPStream->>App: http.disconnect
      H11/H2->>TCPServer: Closed

## H11 early client cancel

The flow as expected if the connection is closed before the server has the opportunity to respond.

            sequenceDiagram
      TCPServer->>H11/H2: RawData
      H11/H2->>HTTPStream: Request
      H11/H2->>HTTPStream: Body
      HTTPStream->>App:  http.request[more_body=True]
      TCPServer->>H11/H2: Closed
      H11/H2->>HTTPStream: StreamClosed
      HTTPStream->>App: http.disconnect