public override List <int> EndServiceDiscovery(IAsyncResult ar)
{
using (ISdpDiscoveryRecordsBuffer recBuf = BtIf.EndServiceDiscovery(ar)) {
var portList = new List <int>();
int[] ports = recBuf.Hack_GetPsms();
Utils.MiscUtils.Trace_WriteLine("_GetPorts, got {0} records.", recBuf.RecordCount);
#if DEBUG
if (ports.Length == 0)
{
Math.Abs(1); // COVERAGE
}
else
{
Math.Abs(1); // COVERAGE
}
#endif
// Do this in reverse order, as Widcomm appears to keep old
// (out of date!!) service records around, so we want to
// use the newests ones in preference.
for (int i = ports.Length - 1; i >= 0; --i)
{
int cur = ports[i];
portList.Add(cur);
}//for
return(portList);
}
}
private ISdpDiscoveryRecordsBuffer EndGetServiceRecordsUnparsedWidcomm(IAsyncResult ar)
{
WidcommBtInterface iface = m_factory.GetWidcommBtInterface();
ISdpDiscoveryRecordsBuffer wrec = iface.EndServiceDiscovery(ar);
return(wrec);
}
public ServiceRecord[] EndGetServiceRecords(IAsyncResult asyncResult)
{
using (ISdpDiscoveryRecordsBuffer wrec = EndGetServiceRecordsUnparsedWidcomm(asyncResult)) {
ServiceRecord[] records = wrec.GetServiceRecords();
return(records);
}
}
public ISdpDiscoveryRecordsBuffer WidcommHack__GetServiceRecordsUnparsed(BluetoothAddress address, Guid serviceGuid)
{
WidcommBtInterface btIf = ((WidcommBluetoothClient)m_impl).m_btIf___HACK;
IAsyncResult ar = btIf.BeginServiceDiscovery(address, serviceGuid, null, null);
ISdpDiscoveryRecordsBuffer recs = btIf.EndServiceDiscovery(ar);
return(recs);
}
static void RaiseDiscoveryComplete(
AsyncResult <ISdpDiscoveryRecordsBuffer, ServiceDiscoveryParams> sacAr,
ISdpDiscoveryRecordsBuffer recBuf, Exception sacEx)
{
if (sacAr != null) // will always be true!
{
if (sacEx != null)
{
sacAr.SetAsCompleted(sacEx, false);
}
else
{
sacAr.SetAsCompleted(recBuf, false);
}
}
}
internal void HandleDiscoveryComplete()
{
Utils.MiscUtils.Trace_WriteLine("HandleDiscoveryComplete");
AsyncResult <ISdpDiscoveryRecordsBuffer, ServiceDiscoveryParams> sacAr = null;
ISdpDiscoveryRecordsBuffer recBuf = null;
Exception sacEx = null;
try {
lock (lockServiceDiscovery) {
Debug.Assert(m_arServiceDiscovery != null, "NOT m_arServiceDiscovery != null");
if (m_arServiceDiscovery == null)
{
return;
} // Nothing we can do then!
sacAr = m_arServiceDiscovery;
m_arServiceDiscovery = null;
BluetoothAddress addr;
ushort numRecords0;
DISCOVERY_RESULT result = m_btIf.GetLastDiscoveryResult(out addr, out numRecords0);
if (result != DISCOVERY_RESULT.SUCCESS)
{
sacEx = WidcommSocketExceptions.Create(result, "ServiceRecordsGetResult");
return;
}
if (!addr.Equals(sacAr.BeginParameters.address))
{
sacEx = new InvalidOperationException("Internal error -- different DiscoveryComplete address.");
return;
}
// Get the records
recBuf = m_btIf.ReadDiscoveryRecords(addr, MaxNumberSdpRecords,
sacAr.BeginParameters);
}//lock
} catch (Exception ex) {
sacEx = ex;
} finally {
Debug.Assert(sacAr != null, "out: NOT sacAr != null");
Debug.Assert(m_arServiceDiscovery == null, "out: NOT m_arServiceDiscovery == null");
WaitCallback dlgt = delegate {
RaiseDiscoveryComplete(sacAr, recBuf, sacEx);
};
ThreadPool.QueueUserWorkItem(dlgt);
}
}
