func register(url string) *zk.Conn {
c, _, err := zk.Connect([]string{"10.0.2.214:2181", "10.0.2.215:2181", "10.0.2.216:2181"}, time.Second*10)
if err != nil {
panic(err)
}
acls := zk.WorldACL(zk.PermAll)
s := zk.NewService(c, "/services/log", acls)
s.Register(url)
return c
}
func main() {
c, _, err := zk.Connect([]string{"10.0.2.214:2181", "10.0.2.215:2181", "10.0.2.216:2181"}, time.Second*10)
if err != nil {
panic(err)
}
acls := zk.WorldACL(zk.PermAll)
l := zk.NewLock(c, "/test", acls)
if err := l.Lock(); err != nil {
log.Fatal(err)
}
if err := l.Unlock(); err != nil {
log.Fatal(err)
}
val := make(chan int, 3)
if err := l.Lock(); err != nil {
log.Fatal(err)
}
l2 := zk.NewLock(c, "/test", acls)
go func() {
if err := l2.Lock(); err != nil {
log.Fatal(err)
}
val <- 2
if err := l2.Unlock(); err != nil {
log.Fatal(err)
}
val <- 3
}()
time.Sleep(time.Millisecond * 100)
val <- 1
if err := l.Unlock(); err != nil {
log.Fatal(err)
}
if x := <-val; x != 1 {
log.Fatal("Expected 1 instead of %d", x)
}
if x := <-val; x != 2 {
log.Fatal("Expected 2 instead of %d", x)
}
if x := <-val; x != 3 {
log.Fatal("Expected 3 instead of %d", x)
}
}