app = tornado.web.Application(route) set router pass autoreload: 检查已使用源文件的修改时间

app.listen tornado.httpserver.HTTPServer.listen(self –> app) self.add_sockets(sockets=bind_sockets(port, address=address)) # 添加到ioloop self._sockets[sock.fileno()] = sock tornado.netutil.add_accept_handler(nock, self._handle_connection, io_loop=self.io_loop) io_loop.add_handler(sock, accept_handler, IOLoop.READ) accept_handler callback(connection, address) # self._handle_connection # ssl pass IOStream future = self.handle_stream(stream, address) tornado.httpserver.HTTPServer.handle_stream context = _HTTPRequestContext conn = HTTP1ServerConnection self._connections.add(conn) conn.start_serving(self) HTTP1ServerConnection._server_request_loop conn = HTTP1Connection tornado.httpserver.HTTPServer.start_request delegate = self.request_callback.start_request(server_conn, request_conn) # instance.initialize(*args self=app, **init_kwargs) @jump: app.start_request(server_conn, request_conn) ret = yield conn.read_response(delegate=_RoutingDelegate) conn._read_message read_until_regex # headers delegate.headers_received(start_line, headers) @jump _RoutingDelegate.headers_received _read_body _read_fixed_body delegate.data_received(body) @jump: _RoutingDelegate.data_received delegate.on_connection_close() @jump _RoutingDelegate.on_connection_close self._clear_callbacks()

					self.io_loop.add_future(gen.convert_yielded(future), lambda f: f.result())

app.start_request tornado.routing.Router.start_request _RoutingDelegate(router=self, server_conn, request_conn)

_RoutingDelegate.headers_received self.delegate = self.router.find_handler(request) # handler @jump app.find_handler self.delegate.headers_received

_RoutingDelegate.data_received return self.delegate.data_received(chunk)

app.find_handler @TODO: 太虚化了，next time, 主要应该是中间件处理,找到对应handler并转换到prepare,get…

tornado.web.RequestHandler.

tornado.ioloop.IOLoop.current().start()