func dial(addr string) *doozer.Conn {
c, err := doozer.Dial(addr)
if err != nil {
panic(err)
}
return c
}
// IsCal checks if addr is a CAL in the cluster named name.
// Returns a client if so, nil if not.
func isCal(name, addr string) (*doozer.Conn, error) {
c, err := doozer.Dial(addr)
if err != nil {
return nil, err
}
err = c.Access(rwsk)
if err != nil {
return nil, err
}
v, _, _ := c.Get("/ctl/name", nil)
if string(v) != name {
return nil, nil
}
rev, err := c.Rev()
if err != nil {
return nil, err
}
var cals []string
names, err := c.Getdir("/ctl/cal", rev, 0, -1)
if err != nil {
return nil, err
}
for _, name := range names {
cals = append(cals, name)
}
for _, cal := range cals {
body, _, err := c.Get("/ctl/cal/"+cal, nil)
if err != nil || len(body) == 0 {
continue
}
id := string(body)
v, _, err := c.Get("/ctl/node/"+id+"/addr", nil)
if err != nil {
return nil, err
}
if string(v) == addr {
return c, nil
}
}
return nil, nil
}
// only call from mux()
func (d *DoozerConnection) dialMux(server string, boot string) error {
var err error
d.connection, err = doozer.Dial(server)
if err != nil {
return err
}
d.currentInstance = server
//d.Log.Println("Connected to Doozer Instance: " + server)
connected := DoozerConnected{Addr: server}
// Log connection
d.Log.Trace(fmt.Sprintf("%T: %+v", connected, connected))
return nil
}
func main() {
flag.Parse()
serverList := strings.Split(*servers, ",")
res := make([]string, 0, 0)
sem := make(chan empty, len(serverList))
for ind, server := range serverList {
go func(ind int, name string) {
address := name + ":" + *port
_, err := net.DialTimeout(*protocol, address, time.Duration(*timeout)*time.Millisecond)
if err != nil {
} else {
res = appendIfMissing(res, address)
}
sem <- empty{}
}(ind, server)
}
for i := 0; i < len(serverList); i++ {
<-sem
}
doozer, derr := doozer.Dial(res[0])
if derr != nil {
panic(derr)
// HANDLE THIS PROPERLY
}
// Get latest Revision of DB
_, rerr := doozer.Rev()
// HANDLE THE ERROR
if rerr != nil {
panic("Shit, it's an Errrrrrorrrr!")
// Do some proper error handling here I suppose...
}
host, _, _ := net.SplitHostPort(res[0])
resolved, _ := net.LookupIP(host)
output := net.JoinHostPort(resolved[0].String(), *port)
fmt.Print(output)
}
func Dial(addr string) (*Conn, error) {
conn, err := doozer.Dial(addr)
return &Conn{Conn: conn, Id: "1"}, err
}
