dubbo源碼閱讀筆記--暴露服務時序
來源：程序員人生 發布時間：2015-06-11 08:47:38 閱讀次數：8096次
本文許多內容來源于http://dubbo.io/Developer+Guide-zh.htm#DeveloperGuide-zh-%E8%B0%83%E7%94%A8%E9%93%BE，感謝作者的分享。
dubbo的整體架構圖中包括了很多內容，這里只分析服務暴露部份。
針對服務暴露，對上面的圖做了些簡化
時序圖
分成6個階段，下面分別列出每一個階段的調用堆棧。
1 初始化接口invoker
JavassistProxyFactory.getInvoker(T, Class<T>, URL) line: 40
StubProxyFactoryWrapper.getInvoker(T, Class<T>, URL) line: 104
ProxyFactory$Adpative.getInvoker(Object, Class, URL) line: not available
ServiceBean<T>(ServiceConfig<T>).exportLocal(URL) line: 516
ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 469
ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285
ServiceBean<T>(ServiceConfig<T>).doExport() line: 246
ServiceBean<T>(ServiceConfig<T>).export() line: 145
2 初始化exporter
DubboExporter<T>.<init>(Invoker<T>, String, Map<String,Exporter<?>>) line: 36
DubboProtocol.export(Invoker<T>) line: 240
ProtocolFilterWrapper.export(Invoker<T>) line: 55
ProtocolListenerWrapper.export(Invoker<T>) line: 56
Protocol$Adpative.export(Invoker) line: not available
ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 495
ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285
ServiceBean<T>(ServiceConfig<T>).doExport() line: 246
ServiceBean<T>(ServiceConfig<T>).export() line: 145
3 初始化server
DubboProtocol.createServer(URL) line: 318
DubboProtocol.openServer(URL) line: 308
DubboProtocol.export(Invoker<T>) line: 258
ProtocolFilterWrapper.export(Invoker<T>) line: 55
ProtocolListenerWrapper.export(Invoker<T>) line: 56
Protocol$Adpative.export(Invoker) line: not available
ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 495
ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285
ServiceBean<T>(ServiceConfig<T>).doExport() line: 246
ServiceBean<T>(ServiceConfig<T>).export() line: 145
4 綁定transporter
NettyTransporter.bind(URL, ChannelHandler) line: 33
Transporter$Adpative.bind(URL, ChannelHandler) line: not available
Transporters.bind(URL, ChannelHandler...) line: 48
HeaderExchanger.bind(URL, ExchangeHandler) line: 41
Exchangers.bind(URL, ExchangeHandler) line: 63
DubboProtocol.createServer(URL) line: 329
DubboProtocol.openServer(URL) line: 308
DubboProtocol.export(Invoker<T>) line: 258
ProtocolListenerWrapper.export(Invoker<T>) line: 56
ProtocolFilterWrapper.export(Invoker<T>) line: 55
Protocol$Adpative.export(Invoker) line: not available
ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 495
ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285
ServiceBean<T>(ServiceConfig<T>).doExport() line: 246
ServiceBean<T>(ServiceConfig<T>).export() line: 145
5 初始化codec
NettyServer(AbstractEndpoint).<init>(URL, ChannelHandler) line: 47
NettyServer(AbstractServer).<init>(URL, ChannelHandler) line: 59
NettyServer.<init>(URL, ChannelHandler) line: 63
NettyTransporter.bind(URL, ChannelHandler) line: 33
Transporter$Adpative.bind(URL, ChannelHandler) line: not available
Transporters.bind(URL, ChannelHandler...) line: 48
HeaderExchanger.bind(URL, ExchangeHandler) line: 41
Exchangers.bind(URL, ExchangeHandler) line: 63
DubboProtocol.createServer(URL) line: 329
DubboProtocol.openServer(URL) line: 308
DubboProtocol.export(Invoker<T>) line: 258
ProtocolListenerWrapper.export(Invoker<T>) line: 56
ProtocolFilterWrapper.export(Invoker<T>) line: 55
Protocol$Adpative.export(Invoker) line: not available
RegistryProtocol.doLocalExport(Invoker<T>) line: 153
RegistryProtocol.export(Invoker<T>) line: 107
ProtocolListenerWrapper.export(Invoker<T>) line: 54
ProtocolFilterWrapper.export(Invoker<T>) line: 53
Protocol$Adpative.export(Invoker) line: not available
ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 489
ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285
ServiceBean<T>(ServiceConfig<T>).doExport() line: 246
ServiceBean<T>(ServiceConfig<T>).export() line: 145
6 初始化channelHandler
AllChannelHandler(WrappedChannelHandler).<init>(ChannelHandler, URL) line: 47 //-----------⑹
AllChannelHandler.<init>(ChannelHandler, URL) line: 32
AllDispatcher.dispatch(ChannelHandler, URL) line: 32
Dispatcher$Adpative.dispatch(ChannelHandler, URL) line: not available
ChannelHandlers.wrapInternal(ChannelHandler, URL) line: 40
ChannelHandlers.wrap(ChannelHandler, URL) line: 33
NettyServer.<init>(URL, ChannelHandler) line: 63 //-----------------⑸
NettyTransporter.bind(URL, ChannelHandler) line: 33 //------------------⑷
Transporter$Adpative.bind(URL, ChannelHandler) line: not available
Transporters.bind(URL, ChannelHandler...) line: 48
HeaderExchanger.bind(URL, ExchangeHandler) line: 41
Exchangers.bind(URL, ExchangeHandler) line: 63
DubboProtocol.createServer(URL) line: 329 //---------------------⑶
DubboProtocol.openServer(URL) line: 308
DubboProtocol.export(Invoker<T>) line: 258
ProtocolFilterWrapper.export(Invoker<T>) line: 55
ProtocolListenerWrapper.export(Invoker<T>) line: 56
Protocol$Adpative.export(Invoker) line: not available
RegistryProtocol.doLocalExport(Invoker<T>) line: 153
RegistryProtocol.export(Invoker<T>) line: 107
ProtocolFilterWrapper.export(Invoker<T>) line: 53
ProtocolListenerWrapper.export(Invoker<T>) line: 54 //-----------------⑵
Protocol$Adpative.export(Invoker) line: not available
ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 489 //------------⑴
ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285
ServiceBean<T>(ServiceConfig<T>).doExport() line: 246
ServiceBean<T>(ServiceConfig<T>).export() line: 145
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