| 类 | 说明 |
|---|---|
| Announcer |
The Announcer sends an accumulated query of all announces, and advances the state of all serviceInfos, for which it has sent an announce.
|
| Canceler |
The Canceler sends two announces with TTL=0 for the specified services.
|
| DNSStateTask |
This is the root class for all state tasks.
|
| Prober |
The Prober sends three consecutive probes for all service infos that needs probing as well as for the host name.
|
| Renewer |
The Renewer is there to send renewal announcement when the record expire for ours infos.
|