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;
}
}
/// <summary>
/// Assigns a new server driver to the connection object
/// </summary>
/// <param name="groupName">Group name</param>
/// <param name="master">True if the server connection to assign must be a master</param>
/// <param name="connection">MySqlConnection object where the new driver will be assigned</param>
public static void GetNewConnection(string groupName, bool master, MySqlConnection connection)
{
do
{
if (!IsReplicationGroup(groupName))
{
return;
}
ReplicationServerGroup group = GetGroup(groupName);
ReplicationServer server = group.GetServer(master);
if (server == null)
{
throw new MySqlException(Properties.Resources.Replication_NoAvailableServer);
}
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();
return;
}
catch (Exception)
{
// retry to open a failed connection and update its status
connection.driver = null;
server.IsAvailable = false;
BackgroundWorker worker = new BackgroundWorker();
worker.DoWork += delegate(object sender, DoWorkEventArgs e)
{
bool isRunning = false;
ReplicationServer server1 = e.Argument as ReplicationServer;
int retryTime = ReplicationManager.GetGroup(groupName).RetryTime;
#if !RT
System.Timers.Timer timer = new System.Timers.Timer(retryTime * 1000.0);
System.Timers.ElapsedEventHandler elapsedEvent = delegate(object sender1, System.Timers.ElapsedEventArgs e1)
{
if (isRunning)
{
return;
}
try
{
isRunning = true;
using (MySqlConnection connectionFailed = new MySqlConnection(server.ConnectionString))
{
connectionFailed.Open();
server1.IsAvailable = true;
timer.Stop();
}
}
catch
{
MySqlTrace.LogWarning(0,
string.Format(Properties.Resources.Replication_ConnectionAttemptFailed, server1.Name));
}
finally
{
isRunning = false;
}
};
timer.Elapsed += elapsedEvent;
timer.Start();
elapsedEvent(sender, null);
#else
Windows.UI.Xaml.DispatcherTimer timer = new Windows.UI.Xaml.DispatcherTimer();
TimeSpan ts = new TimeSpan(retryTime * 1000);
System.EventHandler <object> elapsedEvent = (TickSender, TickEventArgs) =>
{
if (isRunning)
{
return;
}
try
{
isRunning = true;
using (MySqlConnection connectionFailed = new MySqlConnection(server.ConnectionString))
{
connectionFailed.Open();
server1.IsAvailable = true;
timer.Stop();
}
}
catch
{
MySqlTrace.LogWarning(0,
string.Format(Properties.Resources.Replication_ConnectionAttemptFailed, server1.Name));
}
finally
{
isRunning = false;
}
};
timer.Tick += elapsedEvent;
elapsedEvent(sender, null);
timer.Start();
#endif
};
worker.RunWorkerAsync(server);
}
}
else
{
return;
}
} while (true);
}
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);
}
internal static ReplicationServer GetServer(string groupName, bool isMaster)
{
return(ReplicationManager.GetGroup(groupName).GetServer(isMaster));
}
public static ReplicationServer GetServer(string groupName, bool isMaster)
{
ReplicationServerGroup group = ReplicationManager.GetGroup(groupName);
return(group.GetServer(isMaster));
}
