109 lines
2.0 KiB
Go
109 lines
2.0 KiB
Go
package zsub
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import (
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"log"
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"net"
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"strconv"
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"strings"
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"sync"
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"time"
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)
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func msgAccept(v Message) {
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defer func() {
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if r := recover(); r != nil {
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log.Println("ExecCmd Recovered:", r)
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}
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}()
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c := v.Conn
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rcmd := v.Rcmd
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if len(rcmd) == 0 {
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return
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}
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log.Println("rcmd: " + strings.Join(rcmd, " "))
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if len(rcmd) == 1 {
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switch strings.ToLower(rcmd[0]) {
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default:
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// subscribe|unsubscribe|daly
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if strings.Index(rcmd[0], "subscribe") == 0 || strings.Index(rcmd[0], "unsubscribe") == 0 || strings.Index(rcmd[0], "daly") == 0 {
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rcmd = strings.Split(rcmd[0], " ")
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} else {
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send(c.conn, "-Error: not supported! (tips: send help)")
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return
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}
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}
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}
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cmd := rcmd[0]
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switch cmd {
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case "subscribe":
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//subscribe x y z
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for _, topic := range rcmd[1:] {
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zsub.subscribe(c, topic) // todo: 批量一次订阅
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}
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case "unsubscribe":
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for _, topic := range rcmd[1:] {
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zsub.unsubscribe(c, topic)
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}
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case "publish":
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if len(rcmd) != 3 {
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send(c.conn, "-Error: publish para number!")
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} else {
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zsub.publish(rcmd[1], rcmd[2])
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}
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case "daly":
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daly(rcmd, c)
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case "timer":
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// todo Timer(rcmd, conn)
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default:
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send(c.conn, "-Error: default not supported:["+strings.Join(rcmd, " ")+"]")
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return
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}
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}
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// daly topic valye 100
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func daly(rcmd []string, c *ZConn) {
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if len(rcmd) != 4 {
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send(c.conn, "-Error: subscribe para number!")
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return
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}
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t, err := strconv.ParseInt(rcmd[3], 10, 64)
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if err != nil {
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send(c.conn, "-Error: "+strings.Join(rcmd, " "))
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return
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}
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timer := time.NewTimer(time.Duration(t) * time.Millisecond)
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select {
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case <-timer.C:
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zsub.publish(rcmd[1], rcmd[2])
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}
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}
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var wlock = sync.Mutex{}
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// 发送消息
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func send(conn *net.Conn, vs ...string) error {
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wlock.Lock()
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defer wlock.Unlock()
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var bytes []byte
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if len(vs) == 1 {
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bytes = []byte(vs[0] + "\r\n")
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} else if len(vs) > 1 {
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data := "*" + strconv.Itoa(len(vs)) + "\r\n"
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for _, v := range vs {
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data += "$" + strconv.Itoa(len(v)) + "\r\n"
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data += v + "\r\n"
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}
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bytes = []byte(data)
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}
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_, err := (*conn).Write(bytes)
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return err
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}
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