private void OnQueryTimerElapsed(object obj)
{
lock (this)
{
QueryParameters queryParameters = ServiceBrowser.QueryParameters;
DateTime now = DateTime.Now;
bool sendQuery = false;
_lastQueryId = (ushort)_randomGenerator.Next(0, ushort.MaxValue);
var writer = new DnsMessageWriter();
writer.WriteQueryHeader(_lastQueryId);
foreach (var serviceKV in _serviceHandlers)
{
Name Name = serviceKV.Key;
var ServiceInfos = serviceKV.Value.ServiceInfos;
bool sendQueryForService = false;
if (_queryCount < queryParameters.StartQueryCount)
{
sendQueryForService = true;
}
else
{
if (ServiceInfos.Count == 0)
{
sendQueryForService = true;
}
else
{
foreach (ServiceInfo service in ServiceInfos)
{
if (service.LastQueryTime <= now.AddMilliseconds(-queryParameters.QueryInterval))
{
sendQueryForService = true;
}
}
}
}
if (sendQueryForService)
{
OnServiceQuery(Name);
writer.WriteQuestion(Name, RecordType.PTR);
}
sendQuery = sendQuery || sendQueryForService;
}
foreach (var hostKV in _hostInfos)
{
var name = hostKV.Key;
var adresses = hostKV.Value.Addresses;
if (hostKV.Value.Addresses == null)
{
writer.WriteQuestion(name, RecordType.A);
writer.WriteQuestion(name, RecordType.AAAA);
sendQuery = true;
}
}
if (sendQuery)
{
var packets = writer.Packets;
Send(packets);
_queryCount++;
}
ScheduleQueryTimer(_queryCount >= queryParameters.StartQueryCount ? queryParameters.QueryInterval : queryParameters.StartQueryInterval);
}
}
private void OnQueryTimerElapsed(object obj)
{
lock (this)
{
QueryParameters queryParameters = ServiceBrowser.QueryParameters;
DateTime now = DateTime.Now;
bool sendQuery = false;
_lastQueryId = (ushort)_randomGenerator.Next(0, ushort.MaxValue);
var writer = new DnsMessageWriter();
writer.WriteQueryHeader(_lastQueryId);
foreach (var serviceKV in _serviceHandlers)
{
Name Name = serviceKV.Key;
var ServiceInfos = serviceKV.Value.ServiceInfos;
bool sendQueryForService = false;
if (_queryCount < queryParameters.StartQueryCount)
{
sendQueryForService = true;
}
else
{
if (ServiceInfos.Count == 0)
{
sendQueryForService = true;
}
else
{
foreach (ServiceInfo service in ServiceInfos)
{
if (service.LastQueryTime <= now.AddMilliseconds(-queryParameters.QueryInterval))
{
sendQueryForService = true;
}
}
}
}
if (sendQueryForService)
{
OnServiceQuery(Name);
writer.WriteQuestion(Name, RecordType.PTR);
}
sendQuery = sendQuery || sendQueryForService;
}
foreach (var hostKV in _hostInfos)
{
var name = hostKV.Key;
var adresses = hostKV.Value.Addresses;
if (hostKV.Value.Addresses == null)
{
writer.WriteQuestion(name, RecordType.A);
writer.WriteQuestion(name, RecordType.AAAA);
sendQuery = true;
}
}
if (sendQuery)
{
var packets = writer.Packets;
Send(packets);
_queryCount++;
}
ScheduleQueryTimer(_queryCount >= queryParameters.StartQueryCount ? queryParameters.QueryInterval : queryParameters.StartQueryInterval);
}
}
