bool LockSerializationKey(string initiationSource)
{
try
{
string key = GenerateKey(initiationSource);
BoundKey binding = null;
while (true)
{
try
{
binding = _Keys.Values.FirstOrDefault(i => i.InitiationSource != null && i.InitiationSource.ToUpper() == initiationSource.ToUpper());
if (binding != null)
{
lock (binding)
{
if (key != null)
{
if (!binding.Key.Equals(key, StringComparison.InvariantCultureIgnoreCase))
{
CoordinatedKeyManager.Unlock(binding.Key, binding);
}
}
else if (!CoordinatedKeyManager.Locked(binding.InitiationSource))
{
CoordinatedKeyManager.Unlock(binding.Key, binding);
return(false);
}
}
}
break;
}
catch { }
}
if (key == null)
{
return(true);
}
lock (_Keys)
{
key = key.ToUpper();
binding = null;
if (_Keys.ContainsKey(key))
{
binding = _Keys[key];
}
if (binding != null)
{
lock (binding)
{
if (binding.Assigned)
{
if (binding.InitiationSource != null)
{
if (!CoordinatedKeyManager.Locked(binding.InitiationSource))
{
binding.InitiationSource = null;
binding.Assigned = false;
}
else
{
return(false);
}
}
else
{
binding.Assigned = false;
}
if (binding.Assigned)
{
return(false);
}
}
if (CoordinatedKeyManager.CoordinatedMachineHasLock(key, CoordinateWith) == CoordinatedKeyManager.RemoteLockExists.True)
{
CoordinatedKeyManager.Unlock(key, binding);
STEM.Sys.EventLog.WriteEntry("SerialDeploymentController.KeyedBranchIP", "A previously bound key has been found to be owned by a different DeploymentService.", STEM.Sys.EventLog.EventLogEntryType.Error);
return(false);
}
_Keys[key].InitiationSource = initiationSource;
_Keys[key].Assigned = true;
}
}
else
{
binding = new BoundKey(this, initiationSource, key, true);
if (UseSubnetCoordination)
{
if (!CoordinatedKeyManager.Lock(key, binding, CoordinateWith))
{
return(false);
}
}
else
{
if (!CoordinatedKeyManager.Lock(key, binding))
{
return(false);
}
}
}
}
}
catch (Exception ex)
{
STEM.Sys.EventLog.WriteEntry("SerialDeploymentController.LockSerializationKey", ex.ToString(), STEM.Sys.EventLog.EventLogEntryType.Error);
return(false);
}
return(true);
}
string LockSerializationKey(string initiationSource, string branchIP)
{
try
{
string key = GenerateKey(initiationSource);
BoundKey binding = null;
while (true)
{
try
{
binding = _Keys.Values.FirstOrDefault(i => i.InitiationSource != null && i.InitiationSource.ToUpper() == initiationSource.ToUpper());
if (binding != null)
{
lock (binding)
{
if (key != null)
{
if (!binding.Key.Equals(key, StringComparison.InvariantCultureIgnoreCase))
{
CoordinatedKeyManager.Unlock(binding.Key, binding);
}
}
else if (!CoordinatedKeyManager.Locked(binding.InitiationSource))
{
CoordinatedKeyManager.Unlock(binding.Key, binding);
return(null);
}
}
}
break;
}
catch { }
}
if (key == null)
{
return(branchIP);
}
lock (_Keys)
{
key = key.ToUpper();
binding = null;
if (_Keys.ContainsKey(key))
{
binding = _Keys[key];
}
if (binding != null)
{
lock (binding)
{
if (binding.Assigned)
{
if (binding.InitiationSource != null)
{
if (!CoordinatedKeyManager.Locked(binding.InitiationSource))
{
binding.InitiationSource = null;
binding.Assigned = false;
}
else
{
return(null);
}
}
else
{
binding.Assigned = false;
}
if (binding.Assigned)
{
return(null);
}
}
if (CoordinatedKeyManager.CoordinatedMachineHasLock(key, CoordinateWith) == CoordinatedKeyManager.RemoteLockExists.True)
{
CoordinatedKeyManager.Unlock(key, binding);
STEM.Sys.EventLog.WriteEntry("KeyedDeploymentController.LockSerializationKey", "A previously bound key has been found to be owned by a different DeploymentService.", STEM.Sys.EventLog.EventLogEntryType.Error);
return(null);
}
if (FileExists(initiationSource))
{
_Keys[key].FileSize = new FileInfo(initiationSource).Length;
}
_Keys[key].InitiationSource = initiationSource;
_Keys[key].Assigned = true;
return(_Keys[key].BranchIP);
}
}
else
{
if (String.IsNullOrEmpty(branchIP) || branchIP == STEM.Sys.IO.Net.EmptyAddress)
{
return(null);
}
if (!_BranchBoundWeight.ContainsKey(branchIP))
{
return(null);
}
branchIP = BestBranchByWeight(branchIP);
if (branchIP == null)
{
return(null);
}
long fileLen = 0;
if (FileExists(initiationSource))
{
fileLen = GetFileInfo(initiationSource).Size;
}
binding = new BoundKey(this, initiationSource, key, branchIP, fileLen, true);
if (!CoordinatedKeyManager.Lock(key, binding, CoordinateWith))
{
return(null);
}
return(binding.BranchIP);
}
}
}
catch (Exception ex)
{
STEM.Sys.EventLog.WriteEntry("KeyedDeploymentController.LockSerializationKey", ex.ToString(), STEM.Sys.EventLog.EventLogEntryType.Error);
}
return(null);
}
