internal Result <DateTime> GetShutdownTime(OperationContext context, bool logTimeStampToFile)
{
const string ErrorPrefix = "Could not determine shutdown time";
var result = context.PerformOperation(
Tracer,
() =>
{
if (_fileSystem.FileExists(_logFilePath))
{
var lastTime = System.Text.Encoding.Default.GetString(_fileSystem.ReadAllBytes(_logFilePath));
return(string.IsNullOrEmpty(lastTime)
? new Result <DateTime>($"{ErrorPrefix}: CaSaaS running log file was empty")
: new Result <DateTime>(Convert.ToDateTime(lastTime)));
}
return(new Result <DateTime>($"{ErrorPrefix}: CaSaaS running log file was missing"));
},
traceErrorsOnly: true);
if (logTimeStampToFile)
{
LogCurrentTimeStampToFile(context);
}
return(result);
}
/// <summary>
/// Reads the value from the marker file. Returns 0 is the marker does not exist.
/// </summary>
public int ReadValueFile()
{
int valueRead = 0;
if (_fileSystem.FileExists(_valueFilePath))
{
valueRead = BitConverter.ToInt32(_fileSystem.ReadAllBytes(_valueFilePath), 0);
}
return(valueRead);
}
private static Guid Read(IAbsFileSystem fileSystem, AbsolutePath filePath)
{
var bytes = fileSystem.ReadAllBytes(filePath);
var idString = Encoding.UTF8.GetString(bytes);
if (!Guid.TryParseExact(idString, SerializationFormat, out var result))
{
fileSystem.DeleteFile(filePath);
throw new CacheException("Cache id file was present but not in the correct format", filePath.Path);
}
return(result);
}
public string GetStatus()
{
if (_fileSystem.FileExists(_logFilePath))
{
var lastTime = System.Text.Encoding.Default.GetString(_fileSystem.ReadAllBytes(_logFilePath));
return(string.IsNullOrEmpty(lastTime)
? "CaSaaS running log file was empty, could not determine offline time"
: $"offlineTime: {_clock.UtcNow - Convert.ToDateTime(lastTime)}");
}
else
{
return("creating CaSaaS running log file, could not determine offline time");
}
}
internal Result <TimeSpan> GetOfflineDuration(OperationContext context)
{
const string ErrorPrefix = "Could not determine offline time";
return(context.PerformOperation(
Tracer,
() =>
{
if (_fileSystem.FileExists(_logFilePath))
{
var lastTime = System.Text.Encoding.Default.GetString(_fileSystem.ReadAllBytes(_logFilePath));
return string.IsNullOrEmpty(lastTime)
? new Result <TimeSpan>($"{ErrorPrefix}: CaSaaS running log file was empty")
: new Result <TimeSpan>(_clock.UtcNow - Convert.ToDateTime(lastTime));
}
return new Result <TimeSpan>($"{ErrorPrefix}: CaSaaS running log file was missing");
},
traceErrorsOnly: true));
}