public void run() {
try {
if (this.jmDNSImpl.getState() == DNSState.ANNOUNCED) {
if (count++ < 3) {
logger.finer("run() JmDNS querying service");
long now = System.currentTimeMillis();
DNSOutgoing out = new DNSOutgoing(DNSConstants.FLAGS_QR_QUERY);
out.addQuestion(new DNSQuestion(type, DNSConstants.TYPE_PTR, DNSConstants.CLASS_IN));
for (Iterator s = this.jmDNSImpl.getServices().values().iterator(); s.hasNext(); ) {
final ServiceInfoImpl info = (ServiceInfoImpl) s.next();
try {
out.addAnswer(
new DNSRecord.Pointer(
info.getType(),
DNSConstants.TYPE_PTR,
DNSConstants.CLASS_IN,
DNSConstants.DNS_TTL,
info.getQualifiedName()),
now);
} catch (IOException ee) {
break;
}
}
this.jmDNSImpl.send(out);
} else {
// After three queries, we can quit.
this.cancel();
}
} else {
if (this.jmDNSImpl.getState() == DNSState.CANCELED) {
this.cancel();
}
}
} catch (Throwable e) {
logger.log(Level.WARNING, "run() exception ", e);
this.jmDNSImpl.recover();
}
}
@Override
public void run() {
try {
if (this._jmDNSImpl.getState() == DNSState.ANNOUNCED) {
if (_count++ < 3 && !_info.hasData()) {
long now = System.currentTimeMillis();
DNSOutgoing out = new DNSOutgoing(DNSConstants.FLAGS_QR_QUERY);
out.addQuestion(
DNSQuestion.newQuestion(
_info.getQualifiedName(),
DNSRecordType.TYPE_SRV,
DNSRecordClass.CLASS_IN,
DNSRecordClass.NOT_UNIQUE));
out.addQuestion(
DNSQuestion.newQuestion(
_info.getQualifiedName(),
DNSRecordType.TYPE_TXT,
DNSRecordClass.CLASS_IN,
DNSRecordClass.NOT_UNIQUE));
if (_info.getServer() != null) {
out.addQuestion(
DNSQuestion.newQuestion(
_info.getServer(),
DNSRecordType.TYPE_A,
DNSRecordClass.CLASS_IN,
DNSRecordClass.NOT_UNIQUE));
out.addQuestion(
DNSQuestion.newQuestion(
_info.getServer(),
DNSRecordType.TYPE_AAAA,
DNSRecordClass.CLASS_IN,
DNSRecordClass.NOT_UNIQUE));
}
out.addAnswer(
(DNSRecord)
this._jmDNSImpl
.getCache()
.getDNSEntry(
_info.getQualifiedName(),
DNSRecordType.TYPE_SRV,
DNSRecordClass.CLASS_IN),
now);
out.addAnswer(
(DNSRecord)
this._jmDNSImpl
.getCache()
.getDNSEntry(
_info.getQualifiedName(),
DNSRecordType.TYPE_TXT,
DNSRecordClass.CLASS_IN),
now);
if (_info.getServer() != null) {
out.addAnswer(
(DNSRecord)
this._jmDNSImpl
.getCache()
.getDNSEntry(
_info.getServer(), DNSRecordType.TYPE_A, DNSRecordClass.CLASS_IN),
now);
out.addAnswer(
(DNSRecord)
this._jmDNSImpl
.getCache()
.getDNSEntry(
_info.getServer(), DNSRecordType.TYPE_AAAA, DNSRecordClass.CLASS_IN),
now);
}
this._jmDNSImpl.send(out);
} else {
// After three queries, we can quit.
this.cancel();
this._jmDNSImpl.removeListener(_info);
}
} else {
if (this._jmDNSImpl.getState() == DNSState.CANCELED) {
this.cancel();
this._jmDNSImpl.removeListener(_info);
}
}
} catch (Throwable e) {
logger.log(Level.WARNING, "run() exception ", e);
this._jmDNSImpl.recover();
}
}
public void run() {
synchronized (this.jmDNSImpl.getIoLock()) {
DNSOutgoing out = null;
try {
// send probes for JmDNS itself
if (this.jmDNSImpl.getState() == taskState && this.jmDNSImpl.getTask() == this) {
if (out == null) {
out = new DNSOutgoing(DNSConstants.FLAGS_QR_QUERY);
}
out.addQuestion(
new DNSQuestion(
this.jmDNSImpl.getLocalHost().getName(),
DNSConstants.TYPE_ANY,
DNSConstants.CLASS_IN));
this.jmDNSImpl.getLocalHost().addAddressRecords(out, true);
this.jmDNSImpl.advanceState();
}
// send probes for services
// Defensively copy the services into a local list,
// to prevent race conditions with methods registerService
// and unregisterService.
List list;
synchronized (this.jmDNSImpl) {
list = new LinkedList(this.jmDNSImpl.getServices().values());
}
for (Iterator i = list.iterator(); i.hasNext(); ) {
ServiceInfoImpl info = (ServiceInfoImpl) i.next();
synchronized (info) {
if (info.getState() == taskState && info.getTask() == this) {
info.advanceState();
if (out == null) {
out = new DNSOutgoing(DNSConstants.FLAGS_QR_QUERY);
out.addQuestion(
new DNSQuestion(
info.getQualifiedName(), DNSConstants.TYPE_ANY, DNSConstants.CLASS_IN));
}
// the "unique" flag should be not set here because these
// answers haven't been proven unique yet
// this means the record will not exactly match the
// announcement record
out.addAuthorativeAnswer(
new DNSRecord.Service(
info.getQualifiedName(),
DNSConstants.TYPE_SRV,
DNSConstants.CLASS_IN,
DNSConstants.DNS_TTL,
info.getPriority(),
info.getWeight(),
info.getPort(),
this.jmDNSImpl.getLocalHost().getName()));
}
}
}
if (out != null) {
this.jmDNSImpl.send(out);
} else {
// If we have nothing to send, another timer taskState ahead
// of us has done the job for us. We can cancel.
cancel();
return;
}
} catch (Throwable e) {
this.jmDNSImpl.recover();
}
taskState = taskState.advance();
if (!taskState.isProbing()) {
cancel();
this.jmDNSImpl.startAnnouncer();
}
}
}
