private async Task <Device> TryGetDeviceAsync(AccessProvider accessProvider, string hostName, CancellationToken cancellationToken = new CancellationToken(), InformationCategory[] informationCategories = null, params InformationType[] informationTypes)
{
return(await Task.Run(async() =>
{
try
{
if (accessProvider != null)
{
var wmiAccessService = await accessProvider.GetAccessAsync(hostName).ConfigureAwait(false);
if (wmiAccessService != null)
{
return await TryGetDeviceAsync(wmiAccessService, cancellationToken, informationCategories, informationTypes).ConfigureAwait(false);
}
}
}
catch (OperationCanceledException operationCanceledException)
{
LogEventHandler.TaskIncompleted(operationCanceledException);
}
catch (Exception exception)
{
var wmiException = new WMIGeneralException(hostName, exception);
LogEventHandler.Exception(wmiException);
}
return null;
}, cancellationToken).ConfigureAwait(false));
}
private Task <WMIAccessService> TryGetAccessAsync(WMIConnectionOption wmiConnectionOption)
{
return(Task.Run(async() =>
{
WMIAccessService connectedWMIConnectedAccessService = null;
if (wmiConnectionOption != null)
{
try
{
var wmiAccessService = new WMIAccessService();
var connected = await wmiAccessService.TryConnectAsync(wmiConnectionOption).ConfigureAwait(false);
if (connected)
{
connectedWMIConnectedAccessService = wmiAccessService;
}
}
catch (Exception exception)
{
var endPoint = string.IsNullOrEmpty(wmiConnectionOption.EndPoint)
? wmiConnectionOption.DeviceName
: wmiConnectionOption.EndPoint;
var wmiException = new WMIGeneralException(endPoint, exception);
LogEventHandler.Exception(wmiException);
}
}
return connectedWMIConnectedAccessService;
}));
}
private void TrySetValue(object objectInstance, PropertyInfo propertyInfo, PropertyData propertyData)
{
try
{
propertyInfo.SetValue(objectInstance, propertyData?.Value);
}
catch (Exception)
{
try
{
if (propertyInfo != null)
{
if (propertyInfo.ReflectedType != null && propertyData?.Type != null)
{
LogEventHandler.Warning($"{objectInstance.GetType().FullName}.{propertyData.Name} : should be type of {propertyData.Type}. Failed with value: {propertyData.Value}");
}
propertyInfo.SetValue(objectInstance, propertyData?.Value?.ToString());
}
}
catch (Exception exception)
{
var wmiException = new WMIGeneralException(EndPoint, exception);
LogEventHandler.Exception(wmiException);
}
}
}
private async Task <Device> TryGetDeviceAsync(WMIAccessService wmiAccessService, CancellationToken cancellationToken = new CancellationToken(), InformationCategory[] informationCategories = null, params InformationType[] informationTypes)
{
if (wmiAccessService != null)
{
try
{
return(await Task.Run(async() =>
{
try
{
if (wmiAccessService.Connected)
{
var device = await new Device()
.WithWMIAccessService(wmiAccessService)
.WithInformationCategories(informationCategories)
.WithInformationTypes(informationTypes)
.WithQueries(Queries)
.InitializeAsync(cancellationToken)
.ConfigureAwait(false);
return device;
}
}
catch (OperationCanceledException operationCanceledException)
{
LogEventHandler.TaskIncompleted(operationCanceledException);
}
catch (Exception exception)
{
var wmiException = new WMIGeneralException(wmiAccessService.EndPoint, exception);
LogEventHandler.Exception(wmiException);
}
return null;
}, cancellationToken).ConfigureAwait(false));
}
catch (OperationCanceledException operationCanceledException)
{
LogEventHandler.TaskIncompleted(operationCanceledException);
}
catch (Exception)
{
if (!cancellationToken.IsCancellationRequested)
{
throw;
}
}
}
return(null);
}
private async Task <object> TryMapObjectAsync(ManagementBaseObject managementBaseObject, Type propertyType)
{
var tasks = new List <Task>();
var objectInstance = Activator.CreateInstance(propertyType);
var objectInstanceName = objectInstance?.GetType().Name;
if (objectInstance != null)
{
foreach (var propertyInfo in objectInstance.GetType().GetProperties())
{
tasks.Add(Task.Run(() =>
{
try
{
var propertyData = managementBaseObject?.Properties[propertyInfo.Name];
if (!(propertyData is null))
{
TrySetValue(objectInstance, propertyInfo, propertyData);
LogEventHandler.Information($"{EndPoint}: {objectInstanceName}: {propertyInfo.Name}: {propertyData.Value}");
}
}
catch (ManagementException exception)
{
if (exception.ErrorCode != ManagementStatus.NotFound)
{
var wmiException = new WMIGeneralException(EndPoint, exception);
LogEventHandler.Exception(wmiException);
}
}
catch (Exception exception)
{
var wmiException = new WMIGeneralException(EndPoint, exception);
LogEventHandler.Exception(wmiException);
}
}));
}
}
await Task.WhenAll(tasks).ConfigureAwait(false);
return(objectInstance);
}
private void LogException(Exception exception)
{
var data = string.Empty;
if (exception is ManagementException managementException)
{
var parameterInfo = managementException.ErrorInformation.Properties["ParameterInfo"].Value.ToString();
if (!string.IsNullOrEmpty(parameterInfo))
{
data += parameterInfo;
}
}
if (string.IsNullOrEmpty(data))
{
data = exception.Message;
}
var wmiException = new WMIGeneralException(EndPoint, data, exception);
LogEventHandler.Exception(wmiException);
}