128 lines
2.3 KiB
Go
128 lines
2.3 KiB
Go
package zsub
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import (
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"log"
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"strconv"
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"strings"
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"time"
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"zhub/conf"
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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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if conf.LogDebug {
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log.Println("rcmd: " + strings.Join(rcmd, " "))
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}
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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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// str start with strs anyone
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var startWithAny = func(str string, strs ...string) bool {
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for _, str := range strs {
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if strings.Index(rcmd[0], str) == 0 {
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return true
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}
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}
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return false
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}
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arr := []string{"subscribe", "unsubscribe", "daly", "groupid"}
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if startWithAny(rcmd[0], arr...) {
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rcmd = strings.Split(rcmd[0], " ")
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} else {
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c.send("-Error: not supported:" + rcmd[0])
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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 "groupid":
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c.groupid = rcmd[1]
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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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c.send("-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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zsub.timer(rcmd, c)
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case "cmd":
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if len(rcmd) == 1 {
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return
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}
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switch rcmd[1] {
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case "reload-timer-config":
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zsub.reloadTimerConfig()
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}
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default:
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c.send("-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 value 100 -> publish topic value
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func daly(rcmd []string, c *ZConn) {
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if len(rcmd) != 4 {
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c.send("-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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c.send("-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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// send message
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func (c *ZConn) send(vs ...string) error {
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c.Lock()
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defer c.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 := (*c.conn).Write(bytes)
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return err
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}
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