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| 1 digraph URLRequestRoot { | |
| 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 A -> B [arrowhead="none", headlabel="?..?", taillabel="?..?", | |
| 22 label="association"]; | |
| 23 // Often a "subgraph { rank=same; .. }" is used to wrap the | |
| 24 // below to make the generative relationship distinctive | |
| 25 // from the other class relationships. | |
| 26 Factory -> object [arrowhead=veevee]; | |
| 27 }; | |
| 28 | |
| 29 ## URLRequest, URLRequestJob, and subclasses | |
| 30 URLRequestContext; | |
| 31 URLRequest; | |
| 32 URLRequestJob [style=dashed]; | |
| 33 URLRequestJob_Others [label="...other job types..."]; | |
| 34 URLRequestHttpJob; | |
| 35 Filter; | |
| 36 | |
| 37 {URLRequestHttpJob, URLRequestJob_Others} -> URLRequestJob | |
| 38 [arrowhead="empty"]; | |
| 39 | |
| 40 URLRequestJob -> URLRequest [arrowhead="diamond"]; | |
| 41 Filter -> URLRequestJob [arrowhead="diamond"]; | |
| 42 Filter -> Filter [arrowhead="diamond", taillabel="0..1"]; | |
| 43 | |
| 44 subgraph { | |
| 45 rank=same; | |
| 46 URLRequestContext -> URLRequest [arrowhead=veevee]; | |
| 47 } | |
| 48 subgraph { | |
| 49 rank=same; | |
| 50 URLRequestHttpJob -> Filter [arrowhead=veevee]; | |
| 51 } | |
| 52 | |
| 53 | |
| 54 ## HttpTransaction, subclasses, and generative classes. | |
| 55 HttpTransactionFactory; | |
| 56 HttpCache; | |
| 57 HttpNetworkLayer; | |
| 58 HttpTransaction [style=dashed]; | |
| 59 HttpCache_Transaction [label="HttpCache::Transaction"]; | |
| 60 HttpNetworkTransaction; | |
| 61 | |
| 62 { HttpNetworkTransaction, HttpCache_Transaction } -> HttpTransaction | |
| 63 [style=dashed, arrowhead="empty"]; | |
| 64 { HttpNetworkLayer, HttpCache } -> HttpTransactionFactory | |
| 65 [arrowhead=empty, style=dashed]; | |
| 66 | |
| 67 HttpTransaction -> HttpCache_Transaction [arrowhead=diamond]; | |
| 68 HttpTransaction -> URLRequestHttpJob [arrowhead="diamond"] | |
| 69 | |
| 70 subgraph { | |
| 71 rank=same; | |
| 72 HttpCache -> HttpCache_Transaction [arrowhead=veevee]; | |
| 73 } | |
| 74 subgraph { | |
| 75 rank=same; | |
| 76 HttpTransactionFactory -> HttpTransaction [arrowhead=veevee]; | |
| 77 } | |
| 78 subgraph { | |
| 79 rank=same; | |
| 80 HttpNetworkLayer -> HttpNetworkTransaction [arrowhead=veevee]; | |
| 81 } | |
| 82 | |
| 83 ## HttpStreamFactory and related. | |
| 84 HttpStreamFactoryImpl; | |
| 85 HttpStreamRequest [style=dashed]; | |
| 86 HttpStream [style=dashed]; | |
| 87 HttpStreamFactoryImpl_Request [label="HttpStreamFactoryImpl::Request"]; | |
| 88 HttpStreamFactoryImpl_Job [label="HttpStreamFactoryImpl::Job"]; | |
| 89 HttpStreamRequest_Delegate | |
| 90 [label="HttpStreamRequest::Delegate",style=dashed]; | |
| 91 HttpBasicStream; | |
| 92 QuicHttpStream; | |
| 93 SpdyHttpStream; | |
| 94 HttpBasicState; | |
| 95 | |
| 96 HttpNetworkTransaction -> HttpStreamRequest_Delegate | |
| 97 [style=dashed, arrowhead="empty"]; | |
| 98 HttpStreamFactoryImpl_Request -> HttpStreamRequest | |
| 99 [style=dashed, arrowhead="empty"]; | |
| 100 { HttpBasicStream, QuicHttpStream, SpdyHttpStream } -> HttpStream | |
| 101 [style=dashed, arrowhead="empty"]; | |
| 102 | |
| 103 HttpStreamRequest -> HttpNetworkTransaction [arrowhead="diamond"]; | |
| 104 HttpStream -> HttpNetworkTransaction [arrowhead="diamond"]; | |
| 105 HttpBasicState -> HttpBasicStream [arrowhead=diamond]; | |
| 106 HttpStreamFactoryImpl_Job -> HttpStreamFactoryImpl_Request | |
| 107 [arrowhead="diamond",taillabel="1..*"]; | |
| 108 | |
| 109 HttpStreamRequest_Delegate -> HttpStreamFactoryImpl_Request | |
| 110 [arrowhead=odiamond]; | |
| 111 HttpStreamFactoryImpl_Job -> HttpStreamFactoryImpl_Job | |
| 112 [arrowhead=odiamond, label="blocking_job_\nwaiting_job_"]; | |
| 113 | |
| 114 subgraph { | |
| 115 rank=same; | |
| 116 HttpStreamFactoryImpl -> HttpStreamRequest [arrowhead=veevee]; | |
| 117 } | |
| 118 subgraph { | |
| 119 rank=same; | |
| 120 HttpStreamRequest -> HttpStream [arrowhead=veevee]; | |
| 121 } | |
| 122 | |
| 123 ## ClientSocketHandle and socket pools. | |
| 124 ClientSocketPool [style=dashed]; | |
| 125 TransportClientSocketPool; | |
| 126 SSLClientSocketPool; | |
| 127 ClientSocketPool_Others [label="...others..."]; | |
| 128 ClientSocketPoolBase [label="ClientSocketPoolBase", shape=diamond]; | |
| 129 ClientSocketPoolBaseHelper; | |
| 130 | |
| 131 ConnectJobFactory; | |
| 132 ConnectJob [style=dashed]; | |
| 133 TransportConnectJob; | |
| 134 SSLConnectJob; | |
| 135 ConnectJob_Others [label="...other connect job types..."]; | |
| 136 ConnectJob_Delegate [label="ConnectJob::Delegate",style=dashed]; | |
| 137 | |
| 138 StreamSocket [style=dashed]; | |
| 139 TCPClientSocket; | |
| 140 StreamSocket_Others [label="...other socket types..."]; | |
| 141 | |
| 142 TransportConnectJobHelper; | |
| 143 SingleRequestHostResolver; | |
| 144 | |
| 145 { SSLClientSocketPool, TransportClientSocketPool, | |
| 146 ClientSocketPool_Others} -> ClientSocketPool | |
| 147 [style=dashed, arrowhead=empty]; | |
| 148 ClientSocketPoolBaseHelper -> ConnectJob_Delegate | |
| 149 [arrowhead=empty, style=dashed]; | |
| 150 StreamSocket -> Socket [arrowhead=empty, style=dashed]; | |
| 151 { TCPClientSocket, StreamSocket_Others } -> StreamSocket | |
| 152 [arrowhead=empty, style=dashed]; | |
| 153 {SSLConnectJob, TransportConnectJob, ConnectJob_Others} -> ConnectJob | |
| 154 [style=dashed, arrowhead=empty]; | |
| 155 | |
| 156 ClientSocketHandle -> HttpStreamFactoryImpl_Job [arrowhead="diamond"]; | |
| 157 ClientSocketHandle -> HttpBasicState [arrowhead="diamond"]; | |
| 158 ClientSocketPoolBaseHelper -> ClientSocketPoolBase [arrowhead=diamond]; | |
| 159 ClientSocketPoolBase -> TransportClientSocketPool | |
| 160 [arrowhead=diamond, label=TransportSocketParams]; | |
| 161 ClientSocketPoolBase -> SSLClientSocketPool | |
| 162 [arrowhead=diamond, label=SSLSocketParams]; | |
| 163 | |
| 164 StreamSocket -> ClientSocketHandle [arrowhead=diamond]; | |
| 165 ConnectJobFactory -> ClientSocketPoolBase [arrowhead=diamond]; | |
| 166 StreamSocket -> ConnectJob [arrowhead=diamond]; | |
| 167 SingleRequestHostResolver -> TransportConnectJobHelper | |
| 168 [arrowhead=diamond]; | |
| 169 TransportConnectJobHelper -> TransportConnectJob [arrowhead=diamond]; | |
| 170 | |
| 171 ClientSocketPool -> ClientSocketHandle [arrowhead=odiamond]; | |
| 172 ConnectJob_Delegate -> ConnectJob [arrowhead=odiamond]; | |
| 173 | |
| 174 subgraph { | |
| 175 rank=same; | |
| 176 ConnectJobFactory -> ConnectJob [arrowhead=veevee]; | |
| 177 } | |
| 178 subgraph { | |
| 179 rank=same; | |
| 180 HttpStreamFactoryImpl_Job -> ClientSocketHandle [arrowhead=veevee]; | |
| 181 } | |
| 182 subgraph { | |
| 183 rank=same; | |
| 184 TransportConnectJob -> StreamSocket [arrowhead=veevee]; | |
| 185 } | |
| 186 } | |
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