From 897ea40160af2c4970351cf03bee7b4899353c5e Mon Sep 17 00:00:00 2001
From: aceld <danbing.at@gmail.com>
Date: Tue, 29 Jan 2019 21:29:17 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0Zinx=20V0.1=20=E7=89=88?=
 =?UTF-8?q?=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ziface/iserver.go   |  11 +++++
 znet/server.go      | 113 ++++++++++++++++++++++++++++++++++++++++++++
 znet/server_test.go |  61 ++++++++++++++++++++++++
 3 files changed, 185 insertions(+)
 create mode 100644 ziface/iserver.go
 create mode 100644 znet/server.go
 create mode 100644 znet/server_test.go

diff --git a/ziface/iserver.go b/ziface/iserver.go
new file mode 100644
index 0000000..cdf1efe
--- /dev/null
+++ b/ziface/iserver.go
@@ -0,0 +1,11 @@
+package ziface
+
+//定义服务器接口
+type IServer interface{
+	//启动服务器方法
+	Start()
+	//停止服务器方法
+	Stop()
+	//开启业务服务方法
+	Serve()
+}
\ No newline at end of file
diff --git a/znet/server.go b/znet/server.go
new file mode 100644
index 0000000..bc39c36
--- /dev/null
+++ b/znet/server.go
@@ -0,0 +1,113 @@
+package znet
+
+import (
+	"fmt"
+	"net"
+	"time"
+	"zinx/ziface"
+)
+
+//iServer 接口实现，定义一个Server服务类
+type Server struct {
+	//服务器的名称
+	Name string
+	//tcp4 or other
+	IPVersion string
+	//服务绑定的IP地址
+	IP string
+	//服务绑定的端口
+	Port int
+}
+
+
+//============== 实现 ziface.IServer 里的全部接口方法 ========
+
+//开启网络服务
+func (s *Server) Start() {
+	fmt.Printf("[START] Server listenner at IP: %s, Port %d, is starting\n", s.IP, s.Port)
+
+	//开启一个go去做服务端Linster业务
+	go func() {
+		//1 获取一个TCP的Addr
+		addr, err := net.ResolveTCPAddr(s.IPVersion, fmt.Sprintf("%s:%d", s.IP, s.Port))
+		if err != nil {
+			fmt.Println("resolve tcp addr err: ", err)
+			return
+		}
+
+		//2 监听服务器地址
+		listenner, err:= net.ListenTCP(s.IPVersion, addr)
+		if err != nil {
+			fmt.Println("listen", s.IPVersion, "err", err)
+			return
+		}
+
+		//已经监听成功
+		fmt.Println("start Zinx server  ", s.Name, " succ, now listenning...")
+
+		//3 启动server网络连接业务
+		for {
+			//3.1 阻塞等待客户端建立连接请求
+			conn, err := listenner.AcceptTCP()
+			if err != nil {
+				fmt.Println("Accept err ", err)
+				continue
+			}
+
+			//3.2 TODO Server.Start() 设置服务器最大连接控制,如果超过最大连接，那么则关闭此新的连接
+
+			//3.3 TODO Server.Start() 处理该新连接请求的 业务 方法， 此时应该有 handler 和 conn是绑定的
+
+			//我们这里暂时做一个最大512字节的回显服务
+			go func () {
+				//不断的循环从客户端获取数据
+				for  {
+					buf := make([]byte, 512)
+					cnt, err := conn.Read(buf)
+					if err != nil {
+						fmt.Println("recv buf err ", err)
+						continue
+					}
+					//回显
+					if _, err := conn.Write(buf[:cnt]); err !=nil {
+						fmt.Println("write back buf err ", err)
+						continue
+					}
+				}
+			}()
+		}
+	}()
+}
+
+func (s *Server) Stop() {
+	fmt.Println("[STOP] Zinx server , name " , s.Name)
+
+	//TODO  Server.Stop() 将其他需要清理的连接信息或者其他信息 也要一并停止或者清理
+}
+
+func (s *Server) Serve() {
+	s.Start()
+
+	//TODO Server.Serve() 是否在启动服务的时候 还要处理其他的事情呢 可以在这里添加
+
+
+	//阻塞,否则主Go退出， listenner的go将会退出
+	for {
+		time.Sleep(10*time.Second)
+	}
+}
+
+
+/*
+  创建一个服务器句柄
+ */
+func NewServer (name string) ziface.IServer {
+	s:= &Server {
+		Name :name,
+		IPVersion:"tcp4",
+		IP:"0.0.0.0",
+		Port:7777,
+	}
+
+	return s
+}
\ No newline at end of file
diff --git a/znet/server_test.go b/znet/server_test.go
new file mode 100644
index 0000000..9d93e79
--- /dev/null
+++ b/znet/server_test.go
@@ -0,0 +1,61 @@
+package znet
+
+import (
+	"fmt"
+	"net"
+	"testing"
+	"time"
+)
+
+/*
+	模拟客户端
+ */
+ func ClientTest() {
+
+ 	fmt.Println("Client Test ... start")
+ 	//3秒之后发起测试请求，给服务端开启服务的机会
+ 	time.Sleep(3 * time.Second)
+
+ 	conn,err := net.Dial("tcp", "127.0.0.1:7777")
+ 	if err != nil {
+ 		fmt.Println("client start err, exit!")
+		return
+	}
+
+ 	for {
+ 		_, err := conn.Write([]byte("hahaha"))
+ 		if err !=nil {
+ 			fmt.Println("write error err ", err)
+ 			return
+		}
+
+ 		buf :=make([]byte, 512)
+ 		cnt, err := conn.Read(buf)
+ 		if err != nil {
+ 			fmt.Println("read buf error ")
+ 			return
+		}
+
+ 		fmt.Printf(" server call back : %s, cnt = %d\n", buf,  cnt)
+
+ 		time.Sleep(1*time.Second)
+	}
+ }
+
+//Server 模块的测试函数
+func TestServer(t *testing.T) {
+
+	/*
+		服务端测试
+	*/
+	//1 创建一个server 句柄 s
+	s := NewServer("[zinx V0.1]")
+
+	/*
+		客户端测试
+	*/
+	go ClientTest()
+
+	//2 开启服务
+	s.Serve()
+}
\ No newline at end of file