public void OpenStorage(bool initOrOpen)
{
AssertNotDisposed();
if (!File.Exists(_tagFile))
{
if (!initOrOpen)
{
throw new Exception("Vault root path does not contain vault data");
}
InitStorage(false);
}
var tagVers = File.ReadAllText(_tagFile);
if (TAG_VERS != tagVers)
{
throw new Exception("Vault version mismatch");
}
if (File.Exists(_vaultFile))
{
using (var s = new FileStream(_vaultFile, FileMode.Open))
{
_vaultMeta = JsonHelper.Load <EntityMeta <VaultInfo> >(s);
}
}
IsStorageOpen = true;
}
public void SaveVault(VaultInfo vault)
{
AssertOpen();
var now = DateTime.Now;
var who = $"{Environment.UserDomainName}\\{Environment.UserName}";
if (_vaultMeta == null)
{
_vaultMeta = new EntityMeta <VaultInfo>
{
CreateDate = now,
CreateUser = who,
CreateHost = Environment.MachineName,
}
}
;
_vaultMeta.UpdateDate = now;
_vaultMeta.UpdateUser = who;
_vaultMeta.Entity = vault;
// Create a backup just in case there's any fault
if (File.Exists(_vaultFile))
{
File.Copy(_vaultFile, $"{_vaultFile}.bak", true);
}
// Sort of a 2-phase commit
var tmp = $"{_vaultFile}.tmp{DateTime.Now.ToFileTime()}";
using (var s = new FileStream(tmp, FileMode.Create))
{
JsonHelper.Save(s, _vaultMeta, false);
}
// Now commit the changes
File.Copy(tmp, _vaultFile, true);
File.Delete(tmp);
}
