func (z *zeroconf) restartAndQuit() {
for {
select {
case <-z.restart:
glog.Warning("Avahi client failed. Make sure that avahi-daemon is running while I restart the client.")
C.stopAvahiClient(z.threadedPoll, z.client)
var errstr *C.char
C.startAvahiClient(&z.threadedPoll, &z.client, &errstr)
if errstr != nil {
err := errors.New(C.GoString(errstr))
C.free(unsafe.Pointer(errstr))
glog.Errorf("Failed to restart Avahi client: %s", err)
}
case <-z.q:
for name := range z.printers {
z.removePrinter(name)
}
C.stopAvahiClient(z.threadedPoll, z.client)
close(z.q)
return
}
}
}
func newZeroconf() (*zeroconf, error) {
z := zeroconf{
state: C.AVAHI_CLIENT_CONNECTING,
printers: make(map[string]record),
restart: make(chan struct{}),
q: make(chan struct{}),
}
instance = &z
if errstr := C.startAvahiClient(&z.threadedPoll, &z.client); errstr != nil {
err := fmt.Errorf("Failed to start Avahi client: %s", C.GoString(errstr))
return nil, err
}
go z.restartAndQuit()
return &z, nil
}
func newZeroconf() (*zeroconf, error) {
z := zeroconf{
state: C.AVAHI_CLIENT_CONNECTING,
printers: make(map[string]record),
restart: make(chan struct{}),
q: make(chan struct{}),
}
instance = &z
var errstr *C.char
C.startAvahiClient(&z.threadedPoll, &z.client, &errstr)
if errstr != nil {
err := errors.New(C.GoString(errstr))
C.free(unsafe.Pointer(errstr))
return nil, err
}
go z.restartAndQuit()
return &z, nil
}