internal SafeStcHandle Initialize()
{
SafeStcHandle handle;
int ret = Interop.Stc.Initialize(out handle);
if (ret != (int)StcError.None)
{
Log.Error(Globals.LogTag, "Failed to initialize Stc, Error - " + (StcError)ret);
StcErrorFactory.ThrowStcException(ret);
}
return(handle);
}
internal Task <IEnumerable <NetworkStatistics> > GetStatisticsAsync(StatisticsFilter filter)
{
TaskCompletionSource <IEnumerable <NetworkStatistics> > task = new TaskCompletionSource <IEnumerable <NetworkStatistics> >();
IntPtr id;
lock (_getAllStatsCb_map)
{
id = (IntPtr)_requestAllId++;
_getAllStatsCb_map[id] = (int result, IntPtr infoList, IntPtr key) =>
{
if (result != (int)StcError.None)
{
Log.Error(Globals.LogTag, "GetAllStats failed, Error - " + (StcError)result);
task.SetException(new InvalidOperationException("Error occurs during GetAllStats(), " + (StcError)result));
}
List <NetworkStatistics> statsList = new List <NetworkStatistics>();
Interop.Stc.StatsInfoCallback foreachAllStatsCb = (int resultTemp, IntPtr info, IntPtr userDataTemp) =>
{
if (resultTemp != (int)StcError.None)
{
Log.Error(Globals.LogTag, "ForeachAllStats failed, Error - " + (StcError)resultTemp);
task.SetException(new InvalidOperationException("Error occurs during ForeachAllStats(), " + (StcError)resultTemp));
}
Interop.Stc.SafeStatsHandle cloned;
int retValue = Interop.Stc.Info.StatsClone(info, out cloned);
if (retValue != (int)StcError.None)
{
Log.Error(Globals.LogTag, "StatsClone() failed , Error - " + (StcError)retValue);
task.SetException(new InvalidOperationException("Error occurs during StatsClone(), " + (StcError)retValue));
}
statsList.Add(new NetworkStatistics(cloned));
return(CallbackRet.Continue);
};
int retTemp = Interop.Stc.ForeachAllStats(infoList, foreachAllStatsCb, IntPtr.Zero);
if (retTemp != (int)StcError.None)
{
Log.Error(Globals.LogTag, "foreachAllStatus() failed , Error - " + (StcError)retTemp);
task.SetException(new InvalidOperationException("Error occurs during foreachAllStatus(), " + (StcError)retTemp));
}
else
{
task.SetResult(statsList);
}
lock (_getAllStatsCb_map)
{
_getAllStatsCb_map.Remove(key);
}
};
}
using (var filterHandle = filter.ConvertToNativeFilter())
{
int ret = Interop.Stc.GetAllStats(GetSafeHandle(), filterHandle, _getAllStatsCb_map[id], id);
if (ret != (int)StcError.None)
{
Log.Error(Globals.LogTag, "GetAllStatus() failed , Error - " + (StcError)ret);
StcErrorFactory.ThrowStcException(ret);
}
}
return(task.Task);
}