ConnectionClassFlow.dot

digraph G {
  node [shape=box]

  subgraph write_graph {
    AsyncRequest -> Serialize [style=dashed arrowhead=vee]
    Serialize -> EnqueueRequest [weight=100]
    EnqueueRequest -> NextRequest [weight=100]
    connectedw [label="connected?" shape="diamond"]
    autoconnectw [label="auto connect?" shape="diamond"]
    connectedw -> autoconnectw [label="No"]
    NextRequest -> connectedw [weight=100]
    connectedw -> SendRequest [weight=100 label="Yes"]
    SendRequest -> HandleAsyncWriteRequest [weight=100 style=dashed arrowhead=vee]
    HandleAsyncWriteRequest -> NextRequest
    errorhandlerw [label="Post Error Handler"]
    HandleAsyncWriteRequest -> errorhandlerw [color=red]
    errorhandlerw -> NextRequest
    autoconnectw -> errorhandlerw [weight=100 label="No"]
  }

  subgraph connect_graph {
    "is connecting?" [shape="diamond"]
    "is connecting?" -> AutoConnect [weight=100 label="No"]
    "is connecting?" -> EnqueueConnectionHandler [label="Yes"]
    AutoConnect -> AsyncConnect [weight=100]
    AsyncConnect -> HandleAsyncResolve [weight=100 style=dashed arrowhead=vee]
    HandleAsyncResolve -> HandleAsyncConnect [weight=100 style=dashed arrowhead=vee]
    HandleAsyncConnect -> HandleAsyncAutoConnect [weight=100 style=dashed arrowhead=vee]
    HandleAsyncAutoConnect -> AutoConnect [label="next broker" color=red]
  }

  subgraph read_graph {
    EnqueueResponse -> NextResponse [weight=100]
    connectedr [label="connected?" shape="diamond"]
    autoconnectr [label="auto connect?" shape="diamond"]
    connectedr -> autoconnectr [label="No"]
    NextResponse -> connectedr [weight=100]
    connectedr -> ReceiveResponse [weight=100 label="Yes"]
    ReceiveResponse -> HandleAsyncResponseSizeRead [weight=100 style=dashed arrowhead=vee]
    HandleAsyncResponseSizeRead -> HandleAsyncResponseRead [weight=100 style=dashed arrowhead=vee]
    HandleAsyncResponseRead -> NextResponse
    errorhandlerr [label="Post Error Handler"]
    HandleAsyncResponseRead -> errorhandlerr [color=red]
    errorhandlerr -> NextResponse
    autoconnectr -> errorhandlerr [weight=100 label="No"]
  }

  autoconnectw -> "is connecting?" [label="Yes"]
  autoconnectr -> "is connecting?" [label="Yes"]

  HandleAsyncAutoConnect -> SendRequest
  HandleAsyncAutoConnect -> ReceiveResponse
  HandleAsyncWriteRequest -> EnqueueResponse

  { rank=same; EnqueueRequest; EnqueueResponse }
  { rank=same; connectedw; connectedr }
  { rank=same; SendRequest; ReceiveResponse }
  { rank=same; NextRequest; NextResponse }
  { rank=same; HandleAsyncWriteRequest; HandleAsyncResponseSizeRead}
  { rank=same; NextRequest; errorhandlerw}
  { rank=same; NextResponse; errorhandlerr }
  { rank=same; connectedw; autoconnectw }
  { rank=same; connectedr; autoconnectr }

}