request.socket
返回 Proxy 对象，该对象充当 net.Socket（或 tls.TLSSocket），但应用了基于 HTTP/2 逻辑的获取器、设置器、以及方法。
¥Returns a Proxy object that acts as a net.Socket (or tls.TLSSocket) but
applies getters, setters, and methods based on HTTP/2 logic.
destroyed、readable 和 writable 属性将从 request.stream 检索并设置。
¥destroyed, readable, and writable properties will be retrieved from and
set on request.stream.
destroy, emit, end, on 和 once 方法将在 request.stream 上调用。
¥destroy, emit, end, on and once methods will be called on
request.stream.
setTimeout 方法将在 request.stream.session 上调用。
¥setTimeout method will be called on request.stream.session.
pause, read, resume, and write 将抛出错误代码为 ERR_HTTP2_NO_SOCKET_MANIPULATION。有关详细信息，请参阅 Http2Session 和套接字。
¥pause, read, resume, and write will throw an error with code
ERR_HTTP2_NO_SOCKET_MANIPULATION. See Http2Session and Sockets for
more information.
所有其他交互将直接路由到套接字。支持 TLS，使用 request.socket.getPeerCertificate() 获取客户端的认证信息。
¥All other interactions will be routed directly to the socket. With TLS support,
use request.socket.getPeerCertificate() to obtain the client's
authentication details.