narayana/conversations-classic
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Allow mdns multicast / unicast reply queries

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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
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20
src/main/java/de/measite/minidns/Question.java
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@ -30,6 +30,11 @@ public class Question {
*/ */
private final CLASS clazz; 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. * Cache for the serialized object.
*/ */
@ -41,10 +46,21 @@ public class Question {
* @param type The type, e.g. A. * @param type The type, e.g. A.
* @param clazz The class, usually IN (internet). * @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.name = name;
this.type = type; this.type = type;
this.clazz = clazz; 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 { try {
dos.write(NameUtil.toByteArray(this.name)); dos.write(NameUtil.toByteArray(this.name));
dos.writeShort(type.getValue()); dos.writeShort(type.getValue());
dos.writeShort(clazz.getValue()); dos.writeShort(clazz.getValue() | (unicastQuery ? (1 << 15) : 0));
dos.flush(); dos.flush();
} catch (IOException e) { } catch (IOException e) {
// Should never happen // Should never happen