public void AddRegCheck(string featureId, DateTime expirationDate)
{
var key = GetKey(featureId);
var value = new FeatureRegInfo
{
ExpirationDate = expirationDate,
LastChecked = DateTime.UtcNow
};
SetUpdateRecord(key, value);
Save();
}
public FeatureRegInfo GetRegInfo(string featureId)
{
var key = GetKey(featureId);
FeatureRegInfo info = null;
_updateRecords.TryGetValue(key, out info);
if (info == null)
{
return(null);
}
// guard agains people just putting a large number in the file
return(info.LastChecked < DateTime.UtcNow ? info : null);
}
private void SetUpdateRecord(Guid key, FeatureRegInfo value)
{
_updateRecords.AddOrUpdate(key, value, (k, v) => value);
}
private void Load()
{
string[] contents = null;
var licenseFile = Filename;
lock (_fileLock)
{
try
{
contents = _fileSystem.ReadAllLines(licenseFile);
}
catch (FileNotFoundException)
{
lock (_fileLock)
{
_fileSystem.WriteAllBytes(licenseFile, new byte[] { });
}
}
catch (IOException)
{
lock (_fileLock)
{
_fileSystem.WriteAllBytes(licenseFile, new byte[] { });
}
}
}
if (contents != null && contents.Length > 0)
{
//first line is reg key
RegKey = contents[0];
//next is legacy key
if (contents.Length > 1)
{
// Don't need this anymore
}
//the rest of the lines should be pairs of features and timestamps
for (var i = 2; i < contents.Length; i = i + 2)
{
var line = contents[i];
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
Guid feat;
if (Guid.TryParse(line, out feat))
{
var lineParts = contents[i + 1].Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
long ticks;
if (long.TryParse(lineParts[0], out ticks))
{
var info = new FeatureRegInfo
{
LastChecked = new DateTime(ticks)
};
if (lineParts.Length > 1 && long.TryParse(lineParts[1], out ticks))
{
info.ExpirationDate = new DateTime(ticks);
}
SetUpdateRecord(feat, info);
}
}
}
}
}