From 407c000975dc1004974b4e317c4034a4693b5e25 Mon Sep 17 00:00:00 2001
From: yumaojun03 <719118794@qq.com>
Date: Sun, 16 Feb 2025 12:09:05 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A1=A5=E5=85=85rpc?=
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---
 skills/rpc/hello_world/server/main.go | 40 ++++++++++++++-------------
 1 file changed, 21 insertions(+), 19 deletions(-)

diff --git a/skills/rpc/hello_world/server/main.go b/skills/rpc/hello_world/server/main.go
index 1909ec9..f3950fb 100644
--- a/skills/rpc/hello_world/server/main.go
+++ b/skills/rpc/hello_world/server/main.go
@@ -1,7 +1,8 @@
 package main
 
 import (
-	"net"
+	"io"
+	"net/http"
 	"net/rpc"
 	"net/rpc/jsonrpc"
 
@@ -26,6 +27,15 @@ func (h *HelloServiceServer) Hello(request *service.HelloRequest, response *serv
 	return nil
 }
 
+func NewRPCReadWriteCloserFromHTTP(w http.ResponseWriter, r *http.Request) *RPCReadWriteCloser {
+	return &RPCReadWriteCloser{w, r.Body}
+}
+
+type RPCReadWriteCloser struct {
+	io.Writer
+	io.ReadCloser
+}
+
 func main() {
 	// 1. 把业务 注册给RPC
 	// 2. RPC 业务RPC必须是满足条件的接口:  (req any, req any) error
@@ -34,22 +44,14 @@ func main() {
 		panic(err)
 	}
 
-	// 启动RPC服务
-	listener, err := net.Listen("tcp", ":1234")
-	if err != nil {
-		panic(err)
-	}
-	defer listener.Close()
-	for {
-		conn, err := listener.Accept()
-		if err != nil {
-			continue
-		}
-		// 用户的net层数据 转交给 rpc框架
-		// go rpc.ServeConn(conn)
-		// json codec(server)
-		// req(bytes) -->  obj
-		// resp(obj) --> bytes
-		go rpc.ServeCodec(jsonrpc.NewServerCodec(conn))
-	}
+	// RPC的服务架设在“/jsonrpc”路径，
+	// 在处理函数中基于http.ResponseWriter和http.Request类型的参数构造一个io.ReadWriteCloser类型的conn通道。
+	// 然后基于conn构建针对服务端的json编码解码器。
+	// 最后通过rpc.ServeRequest函数为每次请求处理一次RPC方法调用
+	http.HandleFunc("/jsonrpc", func(w http.ResponseWriter, r *http.Request) {
+		conn := NewRPCReadWriteCloserFromHTTP(w, r)
+		rpc.ServeRequest(jsonrpc.NewServerCodec(conn))
+	})
+
+	http.ListenAndServe(":1234", nil)
 }