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notify/client.go

100 lines
1.6 KiB
Go

package notify
import (
"net"
"strings"
"time"
)
var connc net.Conn
var clientSign map[string]chan string
var clientStopSign chan int
func init() {
clientStopSign = make(chan int)
clientSign = make(map[string]chan string)
}
// Notify 用于获取一个通知
func Notify(key string) chan string {
if _, ok := clientSign[key]; !ok {
ch := make(chan string, 5)
clientSign[key] = ch
}
return clientSign[key]
}
func store(key, value string) {
if _, ok := clientSign[key]; !ok {
ch := make(chan string, 5)
ch <- value
clientSign[key] = ch
return
}
clientSign[key] <- value
}
// NewNotifyC 用于新建一个Client端进程
func NewNotifyC(netype, value string) error {
var err error
connc, err = net.Dial(netype, value)
if err != nil {
return err
}
go cnotify()
go func() {
for {
select {
case <-clientStopSign:
connc.Close()
break
default:
}
buf := make([]byte, 8192)
n, err := connc.Read(buf)
Queue.ParseMessage(buf[0:n], connc)
if err != nil {
connc.Close()
notifychan <- 0
go NewNotifyC(netype, value)
break
}
}
}()
return nil
}
// Send 用于向Server端发送数据
func Send(name string) error {
_, err := connc.Write(Queue.BuildMessage(name))
return err
}
func cnotify() {
for {
select {
case <-clientStopSign:
break
case <-notifychan:
break
default:
}
data, err := Queue.RestoreOne()
if err != nil {
time.Sleep(time.Millisecond * 20)
continue
}
strs := strings.SplitN(data.Msg, "||", 2)
if len(strs) < 2 {
continue
}
go store(strs[0], strs[1])
}
}
// ClientStop 终止client端运行
func ClientStop() {
clientStopSign <- 0
}