/// <summary>
/// Put a pooled connector into the pool queue.
/// </summary>
/// <param name="Connector">Connector to pool</param>
private void UngetConnector(NpgsqlConnection Connection, NpgsqlConnector Connector)
{
ConnectorQueue queue;
// Find the queue.
// As we are handling all possible queues, we have to lock everything...
lock (locker)
{
PooledConnectors.TryGetValue(Connection.ConnectionString, out queue);
}
if (queue == null)
{
Connector.Close(); // Release connection to postgres
return; // Queue may be emptied by connection problems. See ClearPool below.
}
Connector.ProvideClientCertificatesCallback -= Connection.ProvideClientCertificatesCallbackDelegate;
Connector.CertificateSelectionCallback -= Connection.CertificateSelectionCallbackDelegate;
Connector.CertificateValidationCallback -= Connection.CertificateValidationCallbackDelegate;
Connector.PrivateKeySelectionCallback -= Connection.PrivateKeySelectionCallbackDelegate;
bool inQueue = false;
lock (queue)
{
inQueue = queue.Busy.ContainsKey(Connector);
queue.Busy.Remove(Connector);
}
if (!Connector.IsInitialized)
{
if (Connector.Transaction != null)
{
Connector.Transaction.Cancel();
}
Connector.Close();
}
else
{
if (Connector.Transaction != null)
{
try
{
Connector.Transaction.Rollback();
}
catch
{
Connector.Close();
}
}
}
if (Connector.State == ConnectionState.Open)
{
//If thread is good
if ((Thread.CurrentThread.ThreadState & (ThreadState.Aborted | ThreadState.AbortRequested)) == 0)
{
// Release all resources associated with this connector.
try
{
Connector.ReleaseResources();
}
catch (Exception)
{
//If the connector fails to release its resources then it is probably broken, so make sure we don't add it to the queue.
// Usually it already won't be in the queue as it would of broken earlier
inQueue = false;
}
if (inQueue)
{
lock (queue)
{
queue.Available.Enqueue(Connector);
}
}
else
{
Connector.Close();
}
}
else
{
//Thread is being aborted, this connection is possibly broken. So kill it rather than returning it to the pool
Connector.Close();
}
}
}
/// <summary>
/// Put a pooled connector into the pool queue.
/// </summary>
/// <param name="Connector">Connector to pool</param>
private void UngetConnector(NpgsqlConnection Connection, NpgsqlConnector Connector)
{
ConnectorQueue queue;
// Find the queue.
// As we are handling all possible queues, we have to lock everything...
lock (locker)
{
PooledConnectors.TryGetValue(Connection.ConnectionString, out queue);
}
if (queue == null)
{
Connector.Close(); // Release connection to postgres
return; // Queue may be emptied by connection problems. See ClearPool below.
}
Connector.ProvideClientCertificatesCallback -= Connection.ProvideClientCertificatesCallbackDelegate;
Connector.CertificateSelectionCallback -= Connection.CertificateSelectionCallbackDelegate;
Connector.CertificateValidationCallback -= Connection.CertificateValidationCallbackDelegate;
Connector.PrivateKeySelectionCallback -= Connection.PrivateKeySelectionCallbackDelegate;
bool inQueue = false;
lock (queue)
{
inQueue = queue.Busy.ContainsKey(Connector);
queue.Busy.Remove(Connector);
}
if (!Connector.IsInitialized)
{
if (Connector.Transaction != null)
{
Connector.Transaction.Cancel();
}
Connector.Close();
}
else
{
if (Connector.Transaction != null)
{
try
{
Connector.Transaction.Rollback();
}
catch
{
Connector.Close();
}
}
}
if (Connector.State == ConnectionState.Open)
{
//If thread is good
if ((Thread.CurrentThread.ThreadState & (ThreadState.Aborted | ThreadState.AbortRequested)) == 0)
{
// Release all resources associated with this connector.
try
{
Connector.ReleaseResources();
}
catch (Exception)
{
//If the connector fails to release its resources then it is probably broken, so make sure we don't add it to the queue.
// Usually it already won't be in the queue as it would of broken earlier
inQueue = false;
}
if (inQueue)
lock (queue)
{
queue.Available.Enqueue(Connector);
}
else
Connector.Close();
}
else
{
//Thread is being aborted, this connection is possibly broken. So kill it rather than returning it to the pool
Connector.Close();
}
}
}
