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some more progress on MDNS

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This commit is contained in:
ziver 2017-02-06 17:32:44 +01:00
parent e50027906d
commit 6a3744eb99
1 changed files with 20 additions and 9 deletions
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29
src/zutil/net/dns/MulticastDnsServer.java
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@ -25,6 +25,7 @@
package zutil.net.dns;
import zutil.log.LogUtil;
import zutil.net.dns.packet.DnsConstants;
import zutil.net.dns.packet.DnsPacket;
import zutil.net.dns.packet.DnsPacketQuestion;
import zutil.net.dns.packet.DnsPacketResource;
@ -35,6 +36,7 @@ import zutil.parser.binary.BinaryStructInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.net.DatagramPacket;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.logging.Level;
@ -55,7 +57,7 @@ public class MulticastDnsServer extends ThreadedUDPNetwork implements ThreadedUD
protected static final int MDNS_MULTICAST_PORT = 5353;
private HashMap<String,ArrayList> entries = new HashMap<>();
private HashMap<String,ArrayList<DnsPacketResource>> entries = new HashMap<>();
@ -74,21 +76,21 @@ public class MulticastDnsServer extends ThreadedUDPNetwork implements ThreadedUD
* @param clazz {@link zutil.net.dns.packet.DnsConstants.CLASS}
* @param data
*/
public void addEntry(String name, int type, int clazz, String data){
public void addEntry(String name, int type, int clazz, byte[] data){
DnsPacketResource resource = new DnsPacketResource();
resource.name = name;
resource.type = type;
resource.clazz = clazz;
//resource.ttl = 10; ???
resource.length = data.length();
resource.data = data;
resource.length = data.length;
resource.data = new String(data, StandardCharsets.ISO_8859_1);
addEntry(resource);
}
private void addEntry(DnsPacketResource resource) {
if ( ! entries.containsKey(resource.name))
entries.put(resource.name, new ArrayList());
entries.put(resource.name, new ArrayList<>());
entries.get(resource.name).add(resource);
}
@ -105,10 +107,19 @@ public class MulticastDnsServer extends ThreadedUDPNetwork implements ThreadedUD
// Just handle queries and no responses
if ( ! dnsPacket.getHeader().flagQueryResponse){
for (DnsPacketQuestion question : dnsPacket.getQuestions()){
if (entries.containsKey(question.name)){
// Respond with entries
}
if (question.name == null) continue;
switch(question.type){
case DnsConstants.TYPE.PTR:
if (question.name.startsWith("_service")){
}
else if (entries.containsKey(question.name)){
// Respond with entries
}
break;
}
}
}
} catch (IOException e){