public static async void LogMessageToFile(string message, LoggingLevel level)
{
// Initialization
if (fileLoggingSession == null)
{
fileLoggingSession = new FileLoggingSession("NewTestamentLogSession");
}
using (var loggingChannel = new LoggingChannel(
"NewTestamentLogSession",
new LoggingChannelOptions(new Guid("2e0582f3-d1b6-516a-00e3-9fd79ef95200")))) // Join a provider group
{
// The Id is generated by hashing the string "SampleProvider".
// channel.Id == eff1e128-4903-5093-096a-bdc29b38456f
fileLoggingSession.AddLoggingChannel(loggingChannel);
// Log messages
loggingChannel.LogMessage(message, level);
}
var file = await fileLoggingSession.CloseAndSaveToFileAsync();
StorageFolder sampleAppDefinedLogFolder =
await ApplicationData.Current.LocalFolder.CreateFolderAsync("Logs", CreationCollisionOption.OpenIfExists);
string newLogFileName = "Log1-" + TimeStamp.Now() + ".etl";
await file.MoveAsync(sampleAppDefinedLogFolder, newLogFileName);
}
/// <summary>
/// Closes the session save final log file.
/// </summary>
/// <returns>
/// Final Log file name.
/// </returns>
private async Task <string> CloseSessionSaveFinalLogFile()
{
CheckDisposed();
try
{
// Save the final log file before closing the this.localFileLogSession.
StorageFile finalFileBeforeSuspend = await localFileLogSession.CloseAndSaveToFileAsync();
if (finalFileBeforeSuspend != null)
{
LogFileGeneratedCount++;
// Get the the app-defined log file folder.
StorageFolder sampleAppDefinedLogFolder =
await ApplicationData.Current.LocalFolder.CreateFolderAsync(
CommonConstants.LogAppLogFolderName,
CreationCollisionOption.OpenIfExists);
// Create a new log file name based on a date/time stamp.
string newLogFileName = string.Format(CultureInfo.CurrentCulture, "{0}-{1}.etl", CommonConstants.LogAppLogFileBaseName, GetTimeStamp());
// Move the final log into the app-defined log file folder.
await finalFileBeforeSuspend.MoveAsync(sampleAppDefinedLogFolder, newLogFileName);
// Return the path to the log folder.
return(System.IO.Path.Combine(sampleAppDefinedLogFolder.Path, newLogFileName));
}
else
{
return(null);
}
}
catch (ObjectDisposedException ex)
{
// TODO Clarify this
DataStore.CN.NotifyException("Exception. ", ex);
// The object is already disposed
return(null);
}
catch (Exception ex)
{
DataStore.CN.NotifyException("CloseSessionSaveFinalLogFile", ex);
throw;
}
}
private async Task <string> CloseSessionSaveFinalLogFile()
{
StorageFile finalFileBeforeSuspend = await session.CloseAndSaveToFileAsync();
if (finalFileBeforeSuspend != null)
{
StorageFolder AppDefinedLogFolder = await ApplicationData.Current.LocalFolder.CreateFolderAsync(APP_LOG_FILE_FOLDER_NAME, CreationCollisionOption.OpenIfExists);
string newLogFileName = "Log-" + GetTimeStamp() + ".etl";
await finalFileBeforeSuspend.MoveAsync(AppDefinedLogFolder, newLogFileName);
return(System.IO.Path.Combine(AppDefinedLogFolder.Path, newLogFileName));
}
else
{
return(null);
}
}
public async Task CloseSession()
{
var storageFile = await Session.CloseAndSaveToFileAsync();
}