func getCommandConnection(leader string, agentName string) (net.Conn, error) {
l := client.NewNameServiceAgent(leader)
// looking for the agentName
var target string
for {
locations := l.Find(agentName)
if len(locations) > 0 {
target = locations[0]
}
if target != "" {
break
} else {
time.Sleep(time.Second)
print("z")
}
}
// connect to a TCP server
network := "tcp"
raddr, err := net.ResolveTCPAddr(network, target)
if err != nil {
return nil, fmt.Errorf("Fail to resolve %s:%v", target, err)
}
// println("dial tcp", raddr.String())
conn, err := net.DialTCP(network, nil, raddr)
if err != nil {
return nil, fmt.Errorf("Fail to dial %s:%v", raddr, err)
}
return conn, err
}
func (rc *ReceiveChannel) findTarget() (target string) {
l := client.NewNameServiceAgent(rc.Leader)
for {
locations := l.Find(rc.name)
if len(locations) > 0 {
target = locations[rand.Intn(len(locations))]
}
if target != "" {
break
} else {
time.Sleep(time.Second)
// print("z")
}
}
return
}