/**
* @see
* org.apache.james.jspf.executor.DNSAsynchLookupService#getRecordsAsynch(org.apache.james.jspf.core.DNSRequest,
* int, org.apache.james.jspf.executor.IResponseQueue)
*/
public void getRecordsAsynch(DNSRequest request, int id, IResponseQueue responsePool) {
Message message;
try {
message = makeQuery(request, id);
LookupAsynch la =
new LookupAsynch(message.getQuestion().getName(), message.getQuestion().getType());
la.runAsynch(
new Runnable() {
private IResponseQueue responsePool;
private Integer id;
private LookupAsynch lookup;
public void run() {
responsePool.insertResponse(
new IResponse() {
public Exception getException() {
if (lookup.getResult() == LookupAsynch.TRY_AGAIN) {
return new TimeoutException(lookup.getErrorString());
} else {
return null;
}
}
public Object getId() {
return id;
}
public List<String> getValue() {
return (DNSServiceXBillImpl.convertRecordsToList(lookup.getAnswers()));
}
});
}
public Runnable setResponsePool(
LookupAsynch la, IResponseQueue responsePool, Integer integer) {
this.lookup = la;
this.responsePool = responsePool;
this.id = integer;
return this;
}
}.setResponsePool(la, responsePool, new Integer(id)));
// this.resolver.sendAsync(message, new Integer(id), new ResponseQueueAdaptor(responsePool));
} catch (TextParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private DomainResource getDomainResource(String domainString) {
try {
logger.info("Fetching domain: " + domainString);
Domain domain = factory.getDomain(domainString);
Name domainName = Utils.stringToName(domainString);
DomainResource dr = DomainResource.fromDomain(domain, domainName);
return dr;
} catch (ForeignDomainException e) {
logger.error("Iterator returned foreign domain: " + domainString);
throw new RuntimeException(e);
} catch (TextParseException e) {
logger.error("Invalid domain name: " + e.getMessage());
throw new RuntimeException(e);
}
}
private void sendQuery() {
Header queryHeader = new Header();
// If we set the RA (Recursion Available) flag and our message ID to 0
// then the packet matches the real mDNS query packet as displayed in Wireshark
queryHeader.setFlag(org.xbill.DNS.Flags.RA);
queryHeader.setID(0);
Record question = null;
try {
// We need to create our "Question" DNS query that is a pointer record to
// the mDNS Query "Name"
question = Record.newRecord(new Name(NvmDNS.MDNS_QUERY), Type.PTR, DClass.IN);
} catch (TextParseException e) {
Log.e("NvmDNS Query", e.getMessage());
return;
}
// We combine our header and our question into a single message
Message query = new Message();
query.setHeader(queryHeader);
query.addRecord(question, Section.QUESTION);
// Convert the message into Network Byte Order
byte[] wireQuery = query.toWire();
Log.i("NvmDNS Query", query.toString());
// Convert our byte array into a Packet
DatagramPacket transmitPacket = new DatagramPacket(wireQuery, wireQuery.length);
transmitPacket.setAddress(NvmDNS.MDNS_MULTICAST_ADDRESS);
transmitPacket.setPort(NvmDNS.MDNS_PORT);
// And (attempt) to send the packet
try {
Log.d("NvmDNS Query", "Blocking on this.nvstream_socket.send(transmitPacket)");
this.socket.send(transmitPacket);
Log.d("NvmDNS Query", "Passed this.nvstream_socket.send(transmitPacket)");
} catch (IOException e) {
Log.e("NvmDNS Query", "There was an error sending the DNS query.");
Log.e("NvmDNS Query", e.getMessage());
}
}
