git-svn-id: svn://47.119.165.148/zhub@58 e63fbceb-bcc3-4977-ac22-735b83d8d0f4
This commit is contained in:
lxy
2021-01-08 08:19:58 +00:00
commit c0e9fa0c6b
16 changed files with 1175 additions and 0 deletions

385
cli/zdb-client.go Normal file
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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, " "))
}
}

12
cli/zdb-client_test.go Normal file
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package cli
import (
"testing"
)
func TestClient(t *testing.T) {
}

5
go.mod Normal file
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module zhub
go 1.15
require github.com/robfig/cron v1.2.0

2
go.sum Normal file
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github.com/robfig/cron v1.2.0 h1:ZjScXvvxeQ63Dbyxy76Fj3AT3Ut0aKsyd2/tl3DTMuQ=
github.com/robfig/cron v1.2.0/go.mod h1:JGuDeoQd7Z6yL4zQhZ3OPEVHB7fL6Ka6skscFHfmt2k=

38
main.go Normal file
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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)
}
}

4
pkg.bat Normal file
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SET GOOS=linux
SET GOARCH=amd64
go build -o zdb.sh -ldflags "-s -w" ./main.go
upx -9 zdb.sh

BIN
upx.exe Normal file

Binary file not shown.

135
x_test.go Normal file
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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
}

260
zdb/rcmd-exec.go Normal file
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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
}

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zdb/zdb-server.go Normal file
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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}
}
}

7
zdb/zdb_test.go Normal file
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@@ -0,0 +1,7 @@
package zdb
import "testing"
func TestName(t *testing.T) {
ServerStart("127.0.0.1", 1216)
}

33
zsub/zgroup.go Normal file
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@@ -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
}

95
zsub/zsub.go Normal file
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@@ -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
}
}

36
zsub/zsub_test.go Normal file
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@@ -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)
}

14
zsub/ztopic.go Normal file
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@@ -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() {
}

3
ztimer/ztimer.go Normal file
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@@ -0,0 +1,3 @@
package ztimer