Allow mdns multicast / unicast reply queries

This commit is contained in:
Rene Treffer 2014-07-30 22:38:02 +02:00
parent 858251d52c
commit 9e42bff014
1 changed files with 18 additions and 2 deletions

View File

@ -30,6 +30,11 @@ public class Question {
*/
private final CLASS clazz;
/**
* UnicastQueries have the highest bit of the CLASS field set to 1.
*/
private final boolean unicastQuery;
/**
* Cache for the serialized object.
*/
@ -41,10 +46,21 @@ public class Question {
* @param type The type, e.g. A.
* @param clazz The class, usually IN (internet).
*/
public Question(String name, TYPE type, CLASS clazz) {
public Question(String name, TYPE type, CLASS clazz, boolean unicastQuery) {
this.name = name;
this.type = type;
this.clazz = clazz;
this.unicastQuery = unicastQuery;
}
/**
* Create a dns question for the given name/type/class.
* @param name The name e.g. "measite.de".
* @param type The type, e.g. A.
* @param clazz The class, usually IN (internet).
*/
public Question(String name, TYPE type, CLASS clazz) {
this(name, type, clazz, false);
}
/**
@ -106,7 +122,7 @@ public class Question {
try {
dos.write(NameUtil.toByteArray(this.name));
dos.writeShort(type.getValue());
dos.writeShort(clazz.getValue());
dos.writeShort(clazz.getValue() | (unicastQuery ? (1 << 15) : 0));
dos.flush();
} catch (IOException e) {
// Should never happen