internal DeviceHelper()
{
try
{
// TODO(revive): Revive this once .NET Core 3.0 is released
// var mc = new ManagementClass("Win32_ComputerSystem");
// foreach (ManagementObject mo in mc.GetInstances())
// {
// Manufacturer = mo["Manufacturer"].ToString();
// Model = mo["Model"].ToString();
// break;
// }
}
catch (Exception ex)
{
AmplitudeService.s_logger(LogLevel.Warning, $"Failed to get device make/model: {ex.ToString()}");
}
try
{
// TODO(revive): Revive this once .NET Core 3.0 is released
// var mc = new ManagementClass("Win32_OperatingSystem");
// foreach (ManagementObject mo in mc.GetInstances())
// {
// OSVersion = mo["Version"].ToString();
// break;
// }
}
catch (Exception ex)
{
OSVersion = Environment.OSVersion.Version.ToString();
AmplitudeService.s_logger(LogLevel.Warning, $"Failed to get OS Version from WMI, using Environment which may not be accurate: {ex.ToString()}");
}
string majorMinor = new Version(OSVersion).ToString(2);
OSName = WindowsVersions.TryGet(majorMinor, "Windows");
try
{
var memStatus = new NativeMethods.MEMORYSTATUSEX();
if (NativeMethods.GlobalMemoryStatusEx(memStatus))
{
// Round to nearest 0.5GB
RamMbs = (ulong)Math.Round((memStatus.ullTotalPhys >> 20) / 512.0) * 512;
}
}
catch (Exception ex)
{
AmplitudeService.s_logger(LogLevel.Warning, $"Failed to get device RAM size: {ex}");
}
Is64BitDevice = Environment.Is64BitOperatingSystem;
}
private void LoadPastEvents(Stream persistenceStore)
{
try
{
using (var reader = new StreamReader(persistenceStore))
{
string persistedData = reader.ReadLine();
var data = JsonConvert.DeserializeObject <List <IAmplitudeEvent> >(persistedData, new JsonSerializerSettings()
{
TypeNameHandling = TypeNameHandling.Objects
});
eventQueue.InsertRange(0, data);
eventsReady.Release();
}
}
catch (Exception e)
{
AmplitudeService.s_logger(LogLevel.Error, $"Failed to load persisted events: {e.ToString()}");
}
}
private void SaveEvents(Stream persistenceStore)
{
if (persistenceStore != null)
{
try
{
string persistedData = JsonConvert.SerializeObject(eventQueue, new JsonSerializerSettings()
{
TypeNameHandling = TypeNameHandling.Objects
});
using (var writer = new StreamWriter(persistenceStore))
{
writer.Write(persistedData);
}
}
catch (Exception e)
{
AmplitudeService.s_logger(LogLevel.Error, $"Failed to persist events: {e.ToString()}");
}
}
}
