net/docs/pools.dot

   1 digraph SocketPools {
   2     subgraph cluster_legend {
   3         label="Legend";
   4
   5         ## The following legend is an attempt to match UML notation,
   6         ## except for template_class and Factory->object, which are
   7         ## invented for this diagram.
   8         BaseClass;
   9         SubClass [label="Derived Class"];
  10         Whole;
  11         Part;
  12         A;
  13         B;
  14         Interface [label="Interface / ABC", style=dashed];
  15         template_class [shape=diamond]; # Link will name parameter(s)
  16
  17         SubClass -> BaseClass [arrowhead="empty"];
  18         SubClass -> Interface [arrowhead="empty", style=dashed];
  19         Part -> Whole [arrowhead="diamond", label="ownership"];
  20         Part -> Whole [arrowhead="odiamond", label="pointer"];
  21         RefCountedPart -> Whole [arrowhead="diamond", color=red,
  22                                  label="partial\nownership"];
  23         A -> B [arrowhead="none", headlabel="?..?", taillabel="?..?",
  24                 label="association"];
  25         // Often a "subgraph { rank=same; .. }" is used to wrap the
  26         // below to make the generative relationship distinctive
  27         // from the other class relationships.
  28         Factory -> object [arrowhead=veevee];
  29     };
  30
  31     ClientSocketPoolBase [shape=diamond];
  32     ClientSocketPoolBaseHelper;
  33
  34     ClientSocketPoolBaseHelper_ConnectJobFactory
  35         [style=dotted, label="ClientSocketPoolBaseHelper::\nConnectJobFactory"];
  36     ClientSocketPoolBase_ConnectJobFactory
  37         [style=dotted, shape=diamond,
  38          label="ClientSocketPoolBase::\nConnectJobFactory"];
  39     ClientSocketPoolBase_ConnectJobFactoryAdaptor
  40         [shape=diamond,
  41          label="ClientSocketPoolBase::\nConnectJobFactoryAdaptor"];
  42
  43     HigherLayeredPool [style=dotted];
  44     LowerLayeredPool [style=dotted];
  45     ClientSocketPool [style=dotted];
  46
  47     ConnectJob [style=dashed];
  48     ConnectJob_Delegate [style=dotted, label="ConnectJob::Delegate"];
  49
  50     ClientSocketFactory [style=dotted];
  51     DefaultClientSocketFactory;
  52     TCPClientSocket;
  53     StreamSocket [style=dotted]
  54     Socket;
  55
  56     TransportSocketParams;
  57     TransportConnectJobHelper;
  58     TransportConnectJobFactory;
  59     TransportConnectJob;
  60
  61     TransportClientSocketPool -> ClientSocketPool [arrowhead=empty];
  62     ClientSocketPool -> LowerLayeredPool [arrowhead=empty];
  63     ClientSocketPoolBaseHelper -> ConnectJob_Delegate [arrowhead=empty];
  64     TransportConnectJobFactory -> ClientSocketPoolBase_ConnectJobFactory
  65         [arrowhead=empty, label="TransportSocketParams"];
  66     ClientSocketPoolBase_ConnectJobFactoryAdaptor ->
  67         ClientSocketPoolBaseHelper_ConnectJobFactory
  68             [arrowhead=empty, arrowtail=none];
  69     TransportConnectJob -> ConnectJob [arrowhead=empty];
  70     DefaultClientSocketFactory -> ClientSocketFactory [arrowhead=empty];
  71     StreamSocket -> Socket [arrowhead=empty]
  72     TCPClientSocket -> StreamSocket [arrowhead=empty]
  73
  74     ClientSocketPoolBaseHelper -> ClientSocketPoolBase [arrowhead=diamond];
  75     ClientSocketPoolBase -> TransportClientSocketPool
  76         [arrowhead=diamond, label="TransportSocketParams"];
  77     ClientSocketPoolBase_ConnectJobFactory ->
  78         ClientSocketPoolBase_ConnectJobFactoryAdaptor [arrowhead=diamond];
  79     ClientSocketPoolBaseHelper_ConnectJobFactory ->
  80         ClientSocketPoolBaseHelper [arrowhead=diamond];
  81     TransportConnectJobHelper -> TransportConnectJob [arrowhead=diamond];
  82     TransportSocketParams -> TransportConnectJobHelper
  83         [arrowhead=diamond, color=red];
  84
  85     ConnectJob -> ConnectJob_Delegate
  86         [dir=back, arrowhead=none, arrowtail=odiamond];
  87     HigherLayeredPool -> ClientSocketPoolBaseHelper
  88         [arrowhead=odiamond, taillabel="*"];
  89     LowerLayeredPool -> ClientSocketPoolBaseHelper
  90         [arrowhead=odiamond, taillabel="*"];
  91     ClientSocketFactory -> ClientSocketPoolBaseHelper [arrowhead=odiamond];
  92
  93     subgraph {
  94         rank=same;
  95         ClientSocketPoolBaseHelper_ConnectJobFactory -> ConnectJob
  96             [arrowhead=veevee];
  97     }
  98     ClientSocketPoolBase_ConnectJobFactory -> ConnectJob [arrowhead=veevee];
  99     ClientSocketFactory -> TCPClientSocket [arrowhead=veevee]
 100 }
 101