| digraph URLRequestRoot { |
| subgraph cluster_legend { |
| label="Legend"; |
| |
| ## The following legend is an attempt to match UML notation, |
| ## except for template_class and Factory->object, which are |
| ## invented for this diagram. |
| BaseClass; |
| SubClass [label="Derived Class"]; |
| Whole; |
| Part; |
| A; |
| B; |
| Interface [label="Interface / ABC", style=dashed]; |
| template_class [shape=diamond]; # Link will name parameter(s) |
| |
| SubClass -> BaseClass [arrowhead="empty"]; |
| SubClass -> Interface [arrowhead="empty", style=dashed]; |
| Part -> Whole [arrowhead="diamond", label="ownership"]; |
| Part -> Whole [arrowhead="odiamond", label="pointer"]; |
| A -> B [arrowhead="none", headlabel="?..?", taillabel="?..?", |
| label="association"]; |
| // Often a "subgraph { rank=same; .. }" is used to wrap the |
| // below to make the generative relationship distinctive |
| // from the other class relationships. |
| Factory -> object [arrowhead=veevee]; |
| }; |
| |
| ## URLRequest, URLRequestJob, and subclasses |
| URLRequestContext; |
| URLRequest; |
| URLRequestJob [style=dashed]; |
| URLRequestJob_Others [label="...other job types..."]; |
| URLRequestHttpJob; |
| Filter; |
| |
| {URLRequestHttpJob, URLRequestJob_Others} -> URLRequestJob |
| [arrowhead="empty"]; |
| |
| URLRequestJob -> URLRequest [arrowhead="diamond"]; |
| Filter -> URLRequestJob [arrowhead="diamond"]; |
| Filter -> Filter [arrowhead="diamond", taillabel="0..1"]; |
| |
| subgraph { |
| rank=same; |
| URLRequestContext -> URLRequest [arrowhead=veevee]; |
| } |
| subgraph { |
| rank=same; |
| URLRequestHttpJob -> Filter [arrowhead=veevee]; |
| } |
| |
| |
| ## HttpTransaction, subclasses, and generative classes. |
| HttpTransactionFactory [style=dashed]; |
| HttpCache; |
| HttpNetworkLayer; |
| HttpTransaction [style=dashed]; |
| HttpCache_Transaction [label="HttpCache::Transaction"]; |
| HttpNetworkTransaction; |
| |
| { HttpNetworkTransaction, HttpCache_Transaction } -> HttpTransaction |
| [style=dashed, arrowhead="empty"]; |
| { HttpNetworkLayer, HttpCache } -> HttpTransactionFactory |
| [arrowhead=empty, style=dashed]; |
| |
| HttpTransaction -> HttpCache_Transaction [arrowhead=diamond]; |
| HttpTransaction -> URLRequestHttpJob [arrowhead="diamond"] |
| |
| subgraph { |
| rank=same; |
| HttpCache -> HttpCache_Transaction [arrowhead=veevee]; |
| } |
| subgraph { |
| rank=same; |
| HttpTransactionFactory -> HttpTransaction [arrowhead=veevee]; |
| } |
| subgraph { |
| rank=same; |
| HttpNetworkLayer -> HttpNetworkTransaction [arrowhead=veevee]; |
| } |
| |
| ## HttpStreamFactory and related. |
| HttpStreamFactory; |
| HttpStreamRequest; |
| HttpStream [style=dashed]; |
| HttpStreamFactory_Job [label="HttpStreamFactory::Job"]; |
| HttpStreamRequest_Delegate |
| [label="HttpStreamRequest::Delegate",style=dashed]; |
| HttpBasicStream; |
| QuicHttpStream; |
| SpdyHttpStream; |
| HttpBasicState; |
| |
| HttpNetworkTransaction -> HttpStreamRequest_Delegate |
| [style=dashed, arrowhead="empty"]; |
| { HttpBasicStream, QuicHttpStream, SpdyHttpStream } -> HttpStream |
| [style=dashed, arrowhead="empty"]; |
| |
| HttpStreamRequest -> HttpNetworkTransaction [arrowhead="diamond"]; |
| HttpStream -> HttpNetworkTransaction [arrowhead="diamond"]; |
| HttpBasicState -> HttpBasicStream [arrowhead=diamond]; |
| HttpStreamFactory_Job -> HttpStreamRequest |
| [arrowhead="diamond",taillabel="1..*"]; |
| |
| HttpStreamRequest_Delegate -> HttpStreamRequest |
| [arrowhead=odiamond]; |
| HttpStreamFactory_Job -> HttpStreamFactory_Job |
| [arrowhead=odiamond, label="blocking_job_\nwaiting_job_"]; |
| |
| subgraph { |
| rank=same; |
| HttpStreamFactory -> HttpStreamRequest [arrowhead=veevee]; |
| } |
| subgraph { |
| rank=same; |
| HttpStreamRequest -> HttpStream [arrowhead=veevee]; |
| } |
| |
| ## ClientSocketHandle and socket pools. |
| ClientSocketPool [style=dashed]; |
| TransportClientSocketPool; |
| SSLClientSocketPool; |
| ClientSocketPool_Others [label="...others..."]; |
| ClientSocketPoolBase [label="ClientSocketPoolBase", shape=diamond]; |
| ClientSocketPoolBaseHelper; |
| |
| ConnectJobFactory; |
| ConnectJob [style=dashed]; |
| TransportConnectJob; |
| SSLConnectJob; |
| ConnectJob_Others [label="...other connect job types..."]; |
| ConnectJob_Delegate [label="ConnectJob::Delegate",style=dashed]; |
| |
| StreamSocket [style=dashed]; |
| TransportClientSocket [style=dashed]; |
| TCPClientSocket; |
| StreamSocket_Others [label="...other socket types..."]; |
| |
| TransportConnectJobHelper; |
| SingleRequestHostResolver; |
| |
| { SSLClientSocketPool, TransportClientSocketPool, |
| ClientSocketPool_Others} -> ClientSocketPool |
| [style=dashed, arrowhead=empty]; |
| ClientSocketPoolBaseHelper -> ConnectJob_Delegate |
| [arrowhead=empty, style=dashed]; |
| StreamSocket -> Socket [arrowhead=empty, style=dashed]; |
| TCPClientSocket -> TransportClientSocket |
| [arrowhead=empty, style=dashed]; |
| TransportClientSocket -> StreamSocket |
| [arrowhead=empty, style=dashed]; |
| StreamSocket_Others -> StreamSocket |
| [arrowhead=empty, style=dashed]; |
| {SSLConnectJob, TransportConnectJob, ConnectJob_Others} -> ConnectJob |
| [style=dashed, arrowhead=empty]; |
| |
| ClientSocketHandle -> HttpStreamFactory_Job [arrowhead="diamond"]; |
| ClientSocketHandle -> HttpBasicState [arrowhead="diamond"]; |
| ClientSocketPoolBaseHelper -> ClientSocketPoolBase [arrowhead=diamond]; |
| ClientSocketPoolBase -> TransportClientSocketPool |
| [arrowhead=diamond, label=TransportSocketParams]; |
| ClientSocketPoolBase -> SSLClientSocketPool |
| [arrowhead=diamond, label=SSLSocketParams]; |
| |
| StreamSocket -> ClientSocketHandle [arrowhead=diamond]; |
| ConnectJobFactory -> ClientSocketPoolBase [arrowhead=diamond]; |
| StreamSocket -> ConnectJob [arrowhead=diamond]; |
| SingleRequestHostResolver -> TransportConnectJobHelper |
| [arrowhead=diamond]; |
| TransportConnectJobHelper -> TransportConnectJob [arrowhead=diamond]; |
| |
| ClientSocketPool -> ClientSocketHandle [arrowhead=odiamond]; |
| ConnectJob_Delegate -> ConnectJob [arrowhead=odiamond]; |
| |
| subgraph { |
| rank=same; |
| ConnectJobFactory -> ConnectJob [arrowhead=veevee]; |
| } |
| subgraph { |
| rank=same; |
| HttpStreamFactory_Job -> ClientSocketHandle [arrowhead=veevee]; |
| } |
| subgraph { |
| rank=same; |
| TransportConnectJob -> StreamSocket [arrowhead=veevee]; |
| } |
| } |