internal static void GetNewConnection(string groupName, bool master, MySqlConnection connection) { while (true) { object obj = ReplicationManager.thisLock; lock (obj) { if (ReplicationManager.IsReplicationGroup(groupName)) { ReplicationServerGroup group = ReplicationManager.GetGroup(groupName); ReplicationServer server = group.GetServer(master, connection.Settings); if (server == null) { throw new MySqlException(Resources.Replication_NoAvailableServer); } try { bool flag2 = false; if (connection.driver == null || !connection.driver.IsOpen) { flag2 = true; } else if (!new MySqlConnectionStringBuilder(server.ConnectionString).Equals(connection.driver.Settings)) { flag2 = true; } if (flag2) { Driver driver = Driver.Create(new MySqlConnectionStringBuilder(server.ConnectionString)); connection.driver = driver; } } catch (MySqlException ex) { connection.driver = null; server.IsAvailable = false; MySqlTrace.LogError(ex.Number, ex.ToString()); if (ex.Number == 1042) { group.HandleFailover(server, ex); continue; } throw; } } } break; } }
public static void GetNewConnection(string groupName, bool master, MySqlConnection connection) { while (true) { if (!ReplicationManager.IsReplicationGroup(groupName)) { break; } ReplicationServerGroup group = ReplicationManager.GetGroup(groupName); ReplicationServer server = group.GetServer(master); if (server == null) { goto Block_2; } Driver driver = Driver.Create(new MySqlConnectionStringBuilder(server.ConnectionString)); if (connection.driver == null || driver.Settings.ConnectionString != connection.driver.Settings.ConnectionString) { connection.Close(); connection.hasBeenOpen = false; try { connection.driver = driver; connection.Open(); } catch (Exception) { connection.driver = null; server.IsAvailable = false; BackgroundWorker backgroundWorker = new BackgroundWorker(); backgroundWorker.DoWork += delegate(object sender, DoWorkEventArgs e) { bool isRunning = false; ReplicationServer server1 = e.Argument as ReplicationServer; int retryTime = ReplicationManager.GetGroup(groupName).RetryTime; Timer timer = new Timer((double)retryTime * 1000.0); ElapsedEventHandler elapsedEventHandler = delegate(object sender1, ElapsedEventArgs e1) { if (isRunning) { return; } try { isRunning = true; using (MySqlConnection mySqlConnection = new MySqlConnection(server.ConnectionString)) { mySqlConnection.Open(); server1.IsAvailable = true; timer.Stop(); } } catch { MySqlTrace.LogWarning(0, string.Format(Resources.Replication_ConnectionAttemptFailed, server1.Name)); } finally { isRunning = false; } }; timer.Elapsed += elapsedEventHandler; timer.Start(); elapsedEventHandler(sender, null); }; backgroundWorker.RunWorkerAsync(server); continue; } return; } return; } return; Block_2: throw new MySqlException(Resources.Replication_NoAvailableServer); }