commit c0e9fa0c6bf19599ed9074abd2f58b8cb398f4dc
Author: lxy <237809796@qq.com>
Date:   Fri Jan 8 08:19:58 2021 +0000

    .
    
    git-svn-id: svn://47.119.165.148/zhub@58 e63fbceb-bcc3-4977-ac22-735b83d8d0f4

diff --git a/cli/zdb-client.go b/cli/zdb-client.go
new file mode 100644
index 0000000..0cac8d2
--- /dev/null
+++ b/cli/zdb-client.go
@@ -0,0 +1,385 @@
+package cli
+
+import (
+	"bufio"
+	"fmt"
+	"log"
+	"net"
+	"os"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+)
+
+var (
+	reconnect    = 0
+	subEvent     = make(map[string]func(v string))
+	chReceive    = make(chan []string, 1000)
+	chSend       = make(chan []string, 1000)
+	timerReceive = make(chan []string, 1000)
+)
+
+type Client struct {
+	wlock      sync.Mutex // 写锁
+	rlock      sync.Mutex // 读锁
+	addr       string     // host:port
+	conn       net.Conn   // socket 连接对象
+	createTime time.Time  // 创建时间
+}
+
+func Create(addr string, groupid string) (*Client, error) {
+	conn, err := net.Dial("tcp", addr)
+	if err != nil {
+		return &Client{}, err
+	}
+
+	client := Client{
+		wlock:      sync.Mutex{},
+		rlock:      sync.Mutex{},
+		addr:       addr,
+		conn:       conn,
+		createTime: time.Now(),
+	}
+
+	conn.Write([]byte("groupid " + groupid + "\r\n"))
+	client.init()
+	return &client, err
+}
+
+func (c *Client) reconn() (err error) {
+	for n := 1; n < 10; n++ {
+		conn, err := net.Dial("tcp", c.addr)
+		if err != nil {
+			log.Println("reconn", err)
+			time.Sleep(time.Second * 3)
+			continue
+		} else if err == nil {
+			c.conn = conn
+			go c.receive()
+			for topic, _ := range subEvent {
+				c.subscribes(topic)
+			}
+			break
+		}
+	}
+	return
+}
+
+func (c *Client) init() {
+	// 消费 topic 消息
+	go func() {
+		for {
+			select {
+			case vs := <-chReceive:
+				fun := subEvent[vs[1]]
+				if fun == nil {
+					log.Println("topic received, nothing to do", vs[1], vs[2])
+					continue
+				}
+				fun(vs[2])
+			case vs := <-timerReceive:
+				log.Println("收到 timer 消息 ", vs[1])
+			}
+
+		}
+
+		/*for {
+			vs, ok := <-chReceive
+			if !ok {
+				break
+			}
+
+			fun := subEvent[vs[1]]
+			if fun == nil {
+				log.Println("topic received, nothing to do", vs[1], vs[2])
+				continue
+			}
+			fun(vs[2])
+		}*/
+	}()
+
+	go c.receive()
+}
+
+func (c *Client) Subscribe(topic string, fun func(v string)) {
+	subEvent[topic] = fun
+	c.subscribes(topic)
+}
+
+/*
+---
+ping
+---
+*/
+func (c *Client) ping() {
+	c.send("ping")
+}
+
+// -------------------------------------- pub-sub --------------------------------------
+/*
+发送 主题消息
+---
+*3
+$7
+message
+$8
+my-topic
+$24
+{username:xx,mobile:xxx}
+---
+*/
+func (c *Client) Publish(topic string, message string) error {
+	c.send("publish", topic, message)
+	return nil
+}
+
+func (c *Client) Daly(topic string, message string, daly int) error {
+	c.send("daly", topic, message, strconv.Itoa(daly))
+	return nil
+}
+
+func (c *Client) Timer(topic string, expr string) {
+	c.send("timer", topic, expr)
+}
+
+/*
+// 订阅主题消息
+---
+subscribe x y z
+---
+*/
+func (c *Client) subscribes(topics ...string) error {
+	if len(topics) == 0 {
+		return nil
+	}
+
+	messages := "subscribe"
+	for _, topic := range topics {
+		messages += " " + topic
+	}
+	c.send(messages)
+	return nil
+}
+
+// 发送 socket 消息
+func (c *Client) send(vs ...string) (err error) {
+	//chSend <- vs
+	c.wlock.Lock()
+	defer c.wlock.Unlock()
+a:
+	if len(vs) == 1 {
+		_, err = c.conn.Write([]byte(vs[0] + "\r\n"))
+	} else if len(vs) > 1 {
+		data := "*" + strconv.Itoa(len(vs)) + "\r\n"
+		for _, v := range vs {
+			data += "$" + strconv.Itoa(len(v)) + "\r\n"
+			data += v + "\r\n"
+		}
+		_, err = c.conn.Write([]byte(data))
+	}
+	if err != nil {
+		log.Println(err)
+		time.Sleep(time.Second * 3)
+		goto a
+	}
+
+	return err
+}
+
+func (c *Client) receive() {
+	c.rlock.Lock()
+	defer c.rlock.Unlock()
+
+	r := bufio.NewReader(c.conn)
+	for {
+		v, _, err := r.ReadLine()
+		if err != nil {
+			log.Println("receive error and reconn: ", err)
+			if err = c.reconn(); err == nil {
+				r = bufio.NewReader(c.conn)
+			} else {
+
+			}
+			time.Sleep(time.Second * 3)
+			continue
+		} else if len(v) == 0 {
+			log.Println("receive empty")
+			continue
+		}
+
+		switch string(v[0:1]) {
+		case "*": // 订阅消息
+			// 数据行数
+			vlen, err := strconv.Atoi(string(v[1:]))
+			if err != nil {
+				log.Println("receive parse len error: ", err, string(v))
+				continue
+			}
+
+			// 读取完整数据
+			vs := make([]string, 0)
+			for i := 0; i < vlen; i++ {
+				r.ReadLine() // $x
+				v, _, err = r.ReadLine()
+				if err != nil {
+					log.Println("receive parse v error: ", err)
+				}
+				vs = append(vs, string(v))
+			}
+
+			if len(vs) == 3 && strings.EqualFold(vs[0], "message") {
+				chReceive <- vs
+				continue
+			}
+			if len(vs) == 2 && strings.EqualFold(vs[0], "timer") {
+				timerReceive <- vs
+				continue
+			}
+
+			continue
+		case "+": // +pong, +xxx
+		case "-":
+			fmt.Println("error:", string(v))
+		case ":":
+
+		}
+	}
+
+}
+
+// -------------------------------------- k-v --------------------------------------
+/*
+*3
+$3
+set
+$n
+x
+$m
+xx
+*/
+func (c *Client) set(key string, value interface{}) error {
+
+	return nil
+}
+
+/*
+
+ */
+func (c *Client) get(key string) string {
+
+	return ""
+}
+
+// -------------------------------------- hm --------------------------------------
+
+// ==============================================================================
+
+// client 命令行程序
+func ClientRun(host string, port int) {
+	conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", host, port))
+
+	for {
+		if err != nil {
+			log.Println(err)
+			time.Sleep(time.Second * 3)
+			conn, err = net.Dial("tcp", fmt.Sprintf("%s:%d", host, port))
+			continue
+		}
+
+		fmt.Println(fmt.Sprintf("had connected server: %s:%d", host, port))
+		break
+	}
+
+	defer func() {
+		if reconnect == 1 {
+			conn.Close()
+			ClientRun(host, port)
+		}
+	}()
+
+	go clientRead(conn)
+
+	for {
+		inReader := bufio.NewReader(os.Stdin)
+		line, err := inReader.ReadString('\n')
+		if err != nil {
+			fmt.Println(err)
+			return
+		} else if reconnect == 1 {
+			return
+		}
+
+		line = strings.Trim(line, "\r\n")
+		line = strings.Trim(line, "\n")
+		line = strings.Trim(line, " ")
+
+		if strings.EqualFold(line, "") {
+			continue
+		} else if strings.EqualFold(line, ":exit") {
+			fmt.Println("exit!")
+			return
+		}
+
+		//fmt.Println("发送数据：" + line)
+
+		line = strings.ReplaceAll(line, "  ", "")
+		parr := strings.Split(line, " ")
+		conn.Write([]byte("*" + strconv.Itoa(len(parr)) + "\r\n"))
+		for i := range parr {
+			conn.Write([]byte("$" + strconv.Itoa(len(parr[i])) + "\r\n"))
+			conn.Write([]byte(parr[i] + "\r\n"))
+		}
+	}
+}
+
+func clientRead(conn net.Conn) {
+	defer func() {
+		if r := recover(); r != nil {
+			fmt.Println("Recovered:", r)
+		}
+		reconnect = 1
+	}()
+
+	reader := bufio.NewReader(conn)
+	for {
+		rcmd := make([]string, 0)
+		line, _, err := reader.ReadLine()
+		if err != nil {
+			log.Println("connection error: ", err)
+			return
+		} else if len(line) == 0 {
+			continue
+		}
+
+		switch string(line[:1]) {
+		case "*":
+			n, _ := strconv.Atoi(string(line[1:]))
+			for i := 0; i < n; i++ {
+				reader.ReadLine()
+				v, _, _ := reader.ReadLine()
+				rcmd = append(rcmd, string(v))
+			}
+		case "+":
+			rcmd = append(rcmd, string(line))
+		case "-":
+			rcmd = append(rcmd, string(line))
+		case ":":
+			rcmd = append(rcmd, string(line))
+		case "h":
+			if strings.EqualFold(string(line), "help-start") {
+				for {
+					v, _, _ := reader.ReadLine()
+					if strings.EqualFold(string(v), "help-end") {
+						break
+					}
+					rcmd = append(rcmd, string(v)+"\r\n")
+				}
+			}
+		default:
+			rcmd = append(rcmd, string(line))
+		}
+
+		fmt.Println(">", strings.Join(rcmd, " "))
+	}
+}
diff --git a/cli/zdb-client_test.go b/cli/zdb-client_test.go
new file mode 100644
index 0000000..aea9340
--- /dev/null
+++ b/cli/zdb-client_test.go
@@ -0,0 +1,12 @@
+package cli
+
+import (
+	"testing"
+
+)
+
+func TestClient(t *testing.T) {
+
+
+
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..04a8cdb
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module zhub
+
+go 1.15
+
+require github.com/robfig/cron v1.2.0
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..b5b4795
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/robfig/cron v1.2.0 h1:ZjScXvvxeQ63Dbyxy76Fj3AT3Ut0aKsyd2/tl3DTMuQ=
+github.com/robfig/cron v1.2.0/go.mod h1:JGuDeoQd7Z6yL4zQhZ3OPEVHB7fL6Ka6skscFHfmt2k=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..59f2222
--- /dev/null
+++ b/main.go
@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+	"zhub/cli"
+	"zhub/zdb"
+)
+
+func main() {
+	server := true
+	host := "127.0.0.1"
+	port := 1216
+
+	for _, arg := range os.Args[1:] {
+		if strings.EqualFold(arg, "cli") {
+			server = false
+		} else if strings.Index(arg, "-h=") == 0 {
+			host = arg[3:]
+		} else if strings.Index(arg, "-p=") == 0 {
+			p, err := strconv.Atoi(arg[3:])
+			if err != nil {
+				fmt.Println("-Error para: -p=[number]")
+				os.Exit(0)
+			}
+			port = p
+		}
+	}
+
+	if server {
+		zdb.ServerStart(host, port)
+	} else {
+		cli.ClientRun(host, port)
+	}
+
+}
diff --git a/pkg.bat b/pkg.bat
new file mode 100644
index 0000000..ebe4992
--- /dev/null
+++ b/pkg.bat
@@ -0,0 +1,4 @@
+SET GOOS=linux
+SET GOARCH=amd64
+go build -o zdb.sh -ldflags "-s -w" ./main.go
+upx -9 zdb.sh
diff --git a/upx.exe b/upx.exe
new file mode 100644
index 0000000..436082b
Binary files /dev/null and b/upx.exe differ
diff --git a/x_test.go b/x_test.go
new file mode 100644
index 0000000..2616cc8
--- /dev/null
+++ b/x_test.go
@@ -0,0 +1,135 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"strconv"
+	"strings"
+	"sync"
+	"testing"
+	"time"
+	"zhub/cli"
+)
+
+type LogInfo2 struct {
+	RemoteAddr    string `json:"remote_addr"`            // IP
+	Time          string `json:"time"`                   // 请求时间
+	Status        string `json:"status"`                 // 请求状态
+	BodyBytesSent string `json:"body_bytes_sent"`        // 返回内容字节
+	Host          string `json:"host"`                   // 请求域名
+	HttpUserAgent string `json:"http_user_agent"`        // 客户端信息
+	CostTime      string `json:"upstream_response_time"` // 耗时
+
+	Request         string `json:"request"`          //
+	HttpMethod      string `json:"http_method"`      // 请求类型
+	Uri             string `json:"uri"`              // uri
+	ProtocolVersion string `json:"protocol_version"` // 请求
+	RequestTime     string `json:"request_time"`     // 时间戳
+	HttpCookie	string `json:"http_cookie"`
+}
+
+func TestName(t *testing.T) {
+	//client, err := cli.Create("39.108.56.246:1216", "")
+	client, err := cli.Create("127.0.0.1:1216", "")
+	if err != nil {
+		log.Fatal(err)
+	}
+	mutex := sync.Mutex{}
+	n := 0
+	//client.Init()
+	client.Subscribe("pro-nginx-log", func(v string) {
+		mutex.Lock()
+		defer mutex.Unlock()
+
+		if strings.Index(v, "api-oss.woaihaoyouxi.com") > -1 {
+			return
+		}
+		if strings.Index(v, "kibana.woaihaoyouxi.com") > -1 {
+			return
+		}
+
+		/*if strings.Index(v, "ef737b680be2cf7868cca99101fa7e66") == -1 {
+			return
+		}*/
+
+		n++
+		info, err := logParse(v)
+		if err != nil {
+			log.Println("json parse error", v)
+			return
+		}
+		//fmt.Println(strconv.Itoa(n), "接收到主题 pro-nginx-log 消息", v)
+		t, err := strconv.ParseInt(info.RequestTime, 10, 0)
+		fmt.Println(strconv.Itoa(n), time.Unix(t, 0).Format("2006-01-02 15:04:05"), info.Status, info.CostTime, info.Uri, info.HttpCookie)
+	})
+
+	client.Subscribe("a-1", func(v string) {
+		log.Println(v)
+	})
+
+	client.Timer("t", "*/3 * * * * *")
+
+	go func() {
+		for i := 0; i < 50000; i++ {
+			client.Publish("a-1", strconv.Itoa(i))
+			time.Sleep(time.Second)
+		}
+	}()
+
+	//log.Println("send")
+	//client.Daly("x", "abx", 1000 * 10)
+	time.Sleep(time.Hour * 3)
+}
+
+func TestX(t *testing.T) {
+	strs := [...]string{"1", "2", "3", "4"}
+
+	strss := strs[0:2]
+
+	fmt.Println(strss)
+}
+
+func logParse(str string) (LogInfo2, error) {
+	defer func() {
+		if r := recover(); r != nil {
+			log.Println("nginx.logParse error:", r, str)
+		}
+	}()
+
+	var info LogInfo2
+	err := json.Unmarshal([]byte(str), &info)
+	if err != nil {
+		log.Println("111", err, str)
+		return LogInfo2{}, err
+	}
+
+	if !strings.EqualFold(info.Request, "") {
+		arr := strings.Split(info.Request, " ")
+		if len(arr) == 3 {
+			info.HttpMethod = arr[0]
+			info.Uri = arr[1]
+			info.ProtocolVersion = arr[2]
+		}
+	}
+	if !strings.EqualFold(info.Request, "") {
+		arr := strings.Split(info.Request, " ")
+		if len(arr) == 3 {
+			info.HttpMethod = arr[0]
+			info.Uri = arr[1]
+			info.ProtocolVersion = arr[2]
+		}
+	}
+
+	if !strings.EqualFold(info.Time, "") {
+		t, err := time.Parse(time.RFC3339, info.Time)
+		if err != nil {
+			log.Println("127", err, str)
+			return LogInfo2{}, err
+		} else {
+			info.RequestTime = strconv.FormatInt(t.Unix(), 10)
+		}
+	}
+
+	return info, nil
+}
diff --git a/zdb/rcmd-exec.go b/zdb/rcmd-exec.go
new file mode 100644
index 0000000..58b9e3c
--- /dev/null
+++ b/zdb/rcmd-exec.go
@@ -0,0 +1,260 @@
+package zdb
+
+import (
+	"fmt"
+	"github.com/robfig/cron"
+	"log"
+	"net"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+)
+
+func execCmd(rcmd []string, conn net.Conn) {
+	defer func() {
+		if r := recover(); r != nil {
+			log.Println("execCmd Recovered:", r)
+		}
+	}()
+	if len(rcmd) == 0 {
+		return
+	}
+
+	log.Println("rcmd: " + strings.Join(rcmd, " "))
+
+	if len(rcmd) == 1 {
+		switch strings.ToLower(rcmd[0]) {
+		case "help":
+			conn.Write([]byte("help-start\r\n"))
+			conn.Write(retHelp)
+			conn.Write([]byte("help-end\r\n"))
+			return
+		default:
+			// subscribe|unsubscribe|daly
+			if strings.Index(rcmd[0], "subscribe") == 0 || strings.Index(rcmd[0], "unsubscribe") == 0 || strings.Index(rcmd[0], "daly") == 0 {
+				rcmd = strings.Split(rcmd[0], " ")
+			} else {
+				conn.Write([]byte("-Error: not supported! (tips: send help)\r\n"))
+				return
+			}
+		}
+	}
+
+	cmd := rcmd[0]
+	switch cmd {
+	case "decr":
+		decr(rcmd, conn)
+	case "incr":
+		incr(rcmd, conn)
+	case "get":
+		get(rcmd, conn)
+	case "set":
+		set(rcmd, conn)
+	case "subscribe":
+		subscribe(rcmd, conn)
+	case "unsubscribe":
+		unsubscribe(rcmd, conn)
+	case "publish":
+		publish(rcmd, conn)
+	case "daly":
+		daly(rcmd, conn)
+	case "timer":
+		timer(rcmd, conn)
+	default:
+		conn.Write([]byte("-Error: default not supported:[" + strings.Join(rcmd, " ") + "]\r\n"))
+		return
+	}
+}
+
+func timer(rcmd []string, conn net.Conn) {
+	ztimer := zTimer[rcmd[1]]
+	if ztimer == nil {
+		ztimer = &ZTimer{
+			conns: []*net.Conn{},
+			topic: rcmd[1],
+		}
+		zTimer[rcmd[1]] = ztimer
+	}
+
+	_conns := make([]*net.Conn, 0)
+	for _, c := range ztimer.conns {
+		if *&conn == *c {
+			continue
+		}
+		_conns = append(_conns, c)
+	}
+	_conns = append(_conns, &conn)
+	ztimer.conns = _conns
+
+	if !strings.EqualFold(ztimer.expr, rcmd[2]) {
+		ztimer.expr = rcmd[2]
+		if ztimer.cron != nil {
+			ztimer.cron.Stop()
+		}
+		ztimer.cron = func() *cron.Cron {
+			c := cron.New()
+			c.AddFunc(ztimer.expr, func() {
+				fmt.Println(time.Now().Second())
+				for _, conn := range ztimer.conns {
+					send(*conn, "timer", ztimer.topic)
+				}
+			})
+			go c.Run()
+			return c
+		}()
+	}
+
+	zTimer[ztimer.topic] = ztimer
+	fmt.Println("xx")
+}
+
+// daly topic valye 100
+func daly(rcmd []string, conn net.Conn) {
+	if len(rcmd) != 4 {
+		conn.Write([]byte("-Error: subscribe para number!\r\n"))
+		return
+	}
+
+	t, err := strconv.ParseInt(rcmd[3], 10, 64)
+	if err != nil {
+		conn.Write([]byte("-Error: " + strings.Join(rcmd, " ") + "\r\n"))
+		return
+	}
+
+	timer := time.NewTimer(time.Duration(t) * time.Millisecond)
+	select {
+	case <-timer.C:
+		// daly => publish
+		publish(rcmd[0:3], conn)
+	}
+}
+
+func decr(rcmd []string, conn net.Conn) {
+	k := rcmd[1]
+	v := zkv[k]
+	if strings.EqualFold(v, "") {
+		v = "0"
+	}
+	_v, err := strconv.Atoi(v)
+	if err != nil {
+		conn.Write([]byte("-Error: " + err.Error() + "\r\n"))
+	}
+
+	v = strconv.Itoa(_v - 1)
+	zkv[k] = v
+	conn.Write([]byte(v + "\r\n"))
+}
+
+func incr(rcmd []string, conn net.Conn) {
+	k := rcmd[1]
+	v := zkv[k]
+	if strings.EqualFold(v, "") {
+		v = "0"
+	}
+	_v, err := strconv.Atoi(v)
+	if err != nil {
+		conn.Write([]byte("- Error: " + err.Error() + "\r\n"))
+	}
+
+	v = strconv.Itoa(_v + 1)
+	zkv[k] = v
+	conn.Write([]byte(v + "\r\n"))
+}
+
+func get(rcmd []string, conn net.Conn) {
+	k := rcmd[1]
+	v := zkv[k]
+	conn.Write([]byte(v + "\r\n"))
+}
+
+func set(rcmd []string, conn net.Conn) {
+	if len(rcmd) != 3 {
+		conn.Write([]byte("-Error: set para number!\r\n"))
+		return
+	}
+	zkv[rcmd[1]] = rcmd[2]
+	conn.Write([]byte("+OK\r\n"))
+}
+
+func subscribe(rcmd []string, conn net.Conn) {
+	if len(rcmd) < 2 {
+		conn.Write([]byte("-Error: subscribe para number!\r\n"))
+		return
+	}
+
+	for _, topic := range rcmd[1:] {
+		conns := zsub[topic]
+		if conns == nil {
+			conns = make([]*ConnContext, 0)
+		}
+
+		zsub[topic] = append(conns, &ConnContext{conn: &conn})
+	}
+}
+func unsubscribe(rcmd []string, conn net.Conn) {
+	if len(rcmd) < 2 {
+		conn.Write([]byte("-Error: unsubscribe para number!"))
+		return
+	}
+
+	for _, topic := range rcmd[1:] {
+		conns := zsub[topic]
+		if conns == nil || len(conns) == 0 {
+			return
+		}
+		_conns := make([]*ConnContext, 0)
+		for _, c := range conns {
+			if *c.conn == *&conn {
+				continue
+			}
+			_conns = append(_conns, c)
+		}
+		zsub[topic] = _conns
+	}
+}
+func publish(rcmd []string, conn net.Conn) {
+	if len(rcmd) < 3 {
+		conn.Write([]byte("-Error: publish para number!\r\n"))
+		return
+	}
+
+	topic := rcmd[1]
+	v := rcmd[2]
+
+	subs := zsub[topic]
+	if subs == nil || len(subs) == 0 {
+		return
+	}
+
+	msgs := []string{"message", topic, v}
+	for _, c := range subs {
+		send(*c.conn, msgs...)
+		/*_conn.Write([]byte("*3\r\n"))
+		for _, msg := range msgs {
+			_conn.Write([]byte("$" + strconv.Itoa(len(msg)) + "\r\n"))
+			_conn.Write([]byte(msg + "\r\n"))
+		}*/
+	}
+}
+
+var wlock = sync.Mutex{}
+
+func send(conn net.Conn, vs ...string) (err error) {
+	//chSend <- vs
+	wlock.Lock()
+	defer wlock.Unlock()
+
+	if len(vs) == 1 {
+		_, err = conn.Write([]byte(vs[0] + "\r\n"))
+	} else if len(vs) > 1 {
+		data := "*" + strconv.Itoa(len(vs)) + "\r\n"
+		for _, v := range vs {
+			data += "$" + strconv.Itoa(len(v)) + "\r\n"
+			data += v + "\r\n"
+		}
+		_, err = conn.Write([]byte(data))
+	}
+
+	return err
+}
diff --git a/zdb/zdb-server.go b/zdb/zdb-server.go
new file mode 100644
index 0000000..8b25aef
--- /dev/null
+++ b/zdb/zdb-server.go
@@ -0,0 +1,146 @@
+package zdb
+
+import (
+	"bufio"
+	"fmt"
+	"github.com/robfig/cron"
+	"log"
+	"net"
+	"strconv"
+	"time"
+)
+
+// 消息命令处理 chan
+var (
+	chmsg   = make(chan Message, 10000)
+	zkv     = make(map[string]string)
+	zsub    = make(map[string][]*ConnContext) // topic -- connx[]
+	retOk   = []byte("+OK")
+	zTimer  = make(map[string]*ZTimer)
+	retHelp = []byte(
+		"\n--- zdb help ---\n" +
+			"______  _____   _____  \n|___  / |  _  \\ |  _  \\ \n   / /  | | | | | |_| | \n  / /   | | | | |  _  { \n / /__  | |_| | | |_| | \n/_____| |_____/ |_____/ \n" +
+			"had supported command:\n" +
+			"1. set:\n" +
+			" eg: set a 1\n" +
+			"2. get:\n" +
+			" eg: get a\n" +
+			"3. subscribe:\n" +
+			" eg: subscribe x y z\n" +
+			"4. unsubscribe:\n" +
+			" eg: unsubscribe x1 y1 z1\n" +
+			"5. publish:\n" +
+			" eg: publish x 123\n" +
+			"6. incr:\n" +
+			" eg: incr a\n" +
+			"7. decr:\n" +
+			" eg: decr a\n" +
+			"--- zdb help ---\n")
+)
+
+// 数据封装
+type Message struct {
+	Conn *net.Conn
+	Rcmd []string
+}
+type ConnContext struct {
+	conn       *net.Conn
+	groupId    string
+	createTime time.Time
+}
+
+type ZTimer struct {
+	conns []*net.Conn
+	expr  string
+	topic string
+	cron  *cron.Cron
+}
+
+// ======================================================================
+
+// zdb 服务启动
+func ServerStart(host string, port int) {
+	listen, err := net.Listen("tcp", fmt.Sprintf("%s:%d", host, port))
+	if err != nil {
+		log.Fatal(err)
+		return
+	}
+	log.Printf("zdb started listen on: %s:%d \n", host, port)
+
+	// 启动消息监听处理
+	go func() {
+		for {
+			v, ok := <-chmsg
+			if !ok {
+				break
+			}
+
+			execCmd(v.Rcmd, *&*v.Conn)
+		}
+	}()
+
+	for {
+		conn, err := listen.Accept()
+		if err != nil {
+			log.Println(err)
+			continue
+		}
+		fmt.Println("conn start: ", conn.RemoteAddr())
+
+		go connHandler(conn)
+	}
+}
+
+// 连接处理
+func connHandler(conn net.Conn) {
+	defer func() {
+		for topic, connx := range zsub {
+			_conns := make([]*ConnContext, 0)
+			for t := range connx {
+				if *connx[t].conn == *&conn {
+					continue
+				}
+				_conns = append(_conns, connx[t])
+			}
+			zsub[topic] = _conns
+		}
+		conn.Close()
+		if r := recover(); r != nil {
+			log.Println("connHandler Recovered:", r)
+		}
+
+		fmt.Println("conn end: ", conn.RemoteAddr())
+	}()
+
+	reader := bufio.NewReader(conn)
+
+	for {
+		rcmd := make([]string, 0)
+		line, _, err := reader.ReadLine()
+		// fmt.Println("line:", string(line)) todo 可使用第一行用于协议头
+		if err != nil {
+			log.Println(err)
+			return
+		}
+		if len(line) == 0 {
+			continue
+		}
+		switch string(line[:1]) {
+		case "*":
+			n, _ := strconv.Atoi(string(line[1:]))
+			for i := 0; i < n; i++ {
+				reader.ReadLine()
+				v, _, _ := reader.ReadLine()
+				rcmd = append(rcmd, string(v))
+			}
+		default:
+			rcmd = append(rcmd, string(line))
+		}
+
+		if len(rcmd) == 0 {
+			continue
+		}
+
+		chmsg <- Message{Conn: &conn, Rcmd: rcmd}
+	}
+}
diff --git a/zdb/zdb_test.go b/zdb/zdb_test.go
new file mode 100644
index 0000000..7681dc3
--- /dev/null
+++ b/zdb/zdb_test.go
@@ -0,0 +1,7 @@
+package zdb
+
+import "testing"
+
+func TestName(t *testing.T) {
+	ServerStart("127.0.0.1", 1216)
+}
diff --git a/zsub/zgroup.go b/zsub/zgroup.go
new file mode 100644
index 0000000..037e9d3
--- /dev/null
+++ b/zsub/zgroup.go
@@ -0,0 +1,33 @@
+package zsub
+
+import "sync"
+
+type ZGroup struct { //ZGroup
+	sync.Mutex
+	conns  []*ZConn
+	offset int
+	chMsg  chan string // 组消息即时投递
+}
+
+func createZGroup(c *ZConn) *ZGroup {
+	zgroup := &ZGroup{
+		conns: []*ZConn{},
+		chMsg: make(chan string, 100),
+	}
+
+	// 开启消息推送
+	go func() {
+		for {
+			msg, ok := <-zgroup.chMsg
+			if !ok {
+				break
+			}
+
+			for _, c := range zgroup.conns {
+				(*c.conn).Write([]byte(msg))
+				zgroup.offset++
+			}
+		}
+	}()
+	return zgroup
+}
diff --git a/zsub/zsub.go b/zsub/zsub.go
new file mode 100644
index 0000000..e8089d6
--- /dev/null
+++ b/zsub/zsub.go
@@ -0,0 +1,95 @@
+package zsub
+
+import (
+	"net"
+	"sync"
+)
+
+var (
+	zsub ZSub
+)
+
+type ZSub struct {
+	sync.Mutex
+	topics map[string]*ZTopic
+}
+
+
+type ZConn struct { //ZConn
+	conn    *net.Conn
+	groupid string
+	topics  []string
+}
+
+/*
+新增订阅：
+1、找到对应主题信息
+2、加入到对应组别；如果是第一次的消费组 offset从当前 mcount 开始
+3、若有待消费消息启动消费
+*/
+func (s ZSub) subscribe(c *ZConn, topic string) { // 新增订阅 zconn{}
+	ztopic := s.topics[topic] //ZTopic
+	if ztopic == nil {
+		ztopic = &ZTopic{groups: map[string]*ZGroup{}}
+		s.topics[topic] = ztopic
+	}
+
+	zgroup := ztopic.groups[c.groupid] //ZGroup
+	if zgroup == nil {
+		zgroup = &ZGroup{conns: []*ZConn{}}
+		ztopic.groups[c.groupid] = zgroup
+	}
+
+	_conns := make([]*ZConn, 0)
+	for _, conn := range zgroup.conns {
+		if conn == c {
+			continue
+		}
+		_conns = append(_conns, conn)
+	}
+	_conns = append(_conns, c)
+	zgroup.conns = _conns
+}
+
+/*
+取消订阅：
+*/
+func (s ZSub) unsubscribe(c *ZConn, topic string) { // 取消订阅 zconn{}
+	ztopic := s.topics[topic] //ZTopic
+	if ztopic == nil {
+		return
+	}
+
+	zgroup := ztopic.groups[c.groupid] //ZGroup
+	if zgroup == nil {
+		return
+	}
+
+	_conns := make([]*ZConn, 0)
+	for _, conn := range zgroup.conns {
+		if conn == c {
+			continue
+		}
+		_conns = append(_conns, c)
+	}
+	zgroup.conns = _conns
+}
+
+/*
+发送主题消息
+1、写入主题消息列表（zdb）
+2、回复消息写入成功
+3、推送主题消息
+*/
+func (s ZSub) publish(topic string, message string) {
+	s.Lock()
+	defer s.Unlock()
+	ztopic := s.topics[topic] //ZTopic
+	if ztopic == nil {
+		return
+	}
+
+	for _, zgroup := range ztopic.groups {
+		zgroup.chMsg <- message
+	}
+}
diff --git a/zsub/zsub_test.go b/zsub/zsub_test.go
new file mode 100644
index 0000000..bcdad18
--- /dev/null
+++ b/zsub/zsub_test.go
@@ -0,0 +1,36 @@
+package zsub
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestName(t *testing.T) {
+	sub := ZSub{
+		topics: map[string]*ZTopic{},
+	}
+
+	sub.subscribe(&ZConn{
+		groupid: "a",
+	}, "ab")
+
+	sub.subscribe(&ZConn{
+		groupid: "b",
+	}, "ab")
+
+	// -----------------
+
+	sub.subscribe(&ZConn{
+		groupid: "b",
+	}, "abx")
+
+	conn := ZConn{
+		groupid: "a",
+	}
+
+	sub.subscribe(&conn, "abx")
+
+	sub.unsubscribe(&conn, "abx")
+
+	fmt.Println(1)
+}
diff --git a/zsub/ztopic.go b/zsub/ztopic.go
new file mode 100644
index 0000000..a1e6aa0
--- /dev/null
+++ b/zsub/ztopic.go
@@ -0,0 +1,14 @@
+package zsub
+
+import "sync"
+
+type ZTopic struct { //ZTopic
+	sync.Mutex
+	groups map[string]*ZGroup
+	mcount int
+	chMsg  chan string // 主题消息投递
+}
+
+func createZTopic()  {
+
+}
diff --git a/ztimer/ztimer.go b/ztimer/ztimer.go
new file mode 100644
index 0000000..8ab46b2
--- /dev/null
+++ b/ztimer/ztimer.go
@@ -0,0 +1,3 @@
+package ztimer
+
+