public void Run()
{
LoggerManager.Instance.SetThreadContext(new LoggerContext()
{
ShardName = _context.LocalShardName != null ? _context.LocalShardName : "", DatabaseName = ""
});
_context.StatusLatch.WaitForAny(NodeStatus.Running);
_startSignal.WaitOne();
if (_context.ConfigurationSession != null)
{
((OutProcConfigurationSession)_context.ConfigurationSession).RegisterListener(this);
}
while (_running)
{
try
{
if (_node == null)
{
_clusterConfigMgr.UpdateClusterConfiguration();
}
if (_clusterConfigMgr != null)
{
ShardConfiguration sConfig = _clusterConfigMgr.GetShardConfiguration(_context.LocalShardName);
if (sConfig != null && sConfig.Servers != null)
{
_node = sConfig.Servers.GetServerNode(_context.LocalAddress.IpAddress.ToString());
}
}
if (_node == null && LoggerManager.Instance.ShardLogger != null &&
LoggerManager.Instance.ShardLogger.IsWarnEnabled)
{
LoggerManager.Instance.ShardLogger.Warn("NodeToCSHeartbeatTask.Run() ", "Node " + _context.LocalAddress.ToString() +
" is not part of the configuration.");
return;
}
OperationId lastOpId = null;
if (_membershipManager != null && _membershipManager.LatestMembership != null && _membershipManager.LatestMembership.Primary != null && _membershipManager.LatestMembership.Primary.Name.Equals(_context.LocalAddress.IpAddress.ToString()))
{
lastOpId = _membershipManager.GetLastOperationId;
}
Stopwatch watch = new Stopwatch();
watch.Start();
_heartbeatInterval =
_context.ConfigurationSession.ReportHeartbeat(_context.ClusterName, _context.LocalShardName,
_node, _membershipManager.LatestMembership, lastOpId) * 1000;
watch.Stop();
_csStatus = ConnectivityStatus.Connected;
if (LoggerManager.Instance.ShardLogger != null && LoggerManager.Instance.ShardLogger.IsDebugEnabled)
{
LoggerManager.Instance.ShardLogger.Debug("NodeToCSHeartbeatTask.Run() ", "Heartbeat sent to the CS at " +
DateTime.Now.ToString() + " time taken to report heartbeat :" + watch.Elapsed.TotalSeconds);
}
if (_heartbeatInterval > 0 && (watch.Elapsed.TotalSeconds > _heartbeatInterval / 2))
{
if (LoggerManager.Instance.ShardLogger != null && LoggerManager.Instance.ShardLogger.IsErrorEnabled)
{
LoggerManager.Instance.ShardLogger.Error("NodeToCSHeartbeatTask.Run() ", "Heartbeat sent to the CS at " +
DateTime.Now.ToString() + " time taken to report heartbeat :" + watch.Elapsed.TotalSeconds + " which is greater than half of the hb interval.");
}
}
}
catch (ThreadAbortException e)
{
if (LoggerManager.Instance.ShardLogger != null && LoggerManager.Instance.ShardLogger.IsErrorEnabled && _nodeToCSThread != null)
{
LoggerManager.Instance.ShardLogger.Error(_nodeToCSThread.Name, "Task aborted.");
}
break;
}
//the following should only be done when a connection exception occurs.
catch (ChannelException e)
{
if (LoggerManager.Instance.ShardLogger != null)
{
if (LoggerManager.Instance.ShardLogger.IsErrorEnabled)
{
LoggerManager.Instance.ShardLogger.Error("NodeToCSHeartbeatTask.Run() ", e.ToString());
}
if (LoggerManager.Instance.ShardLogger.IsDebugEnabled)
{
LoggerManager.Instance.ShardLogger.Debug("NodeToCSHeartbeatTask.Run() ",
"On CS disconnected process of the membership manager begins execution at " +
DateTime.Now.ToString());
}
}
_csStatus = ConnectivityStatus.NotConnected;
_membershipManager.OnCSDisconnected();
if (LoggerManager.Instance.ShardLogger != null && LoggerManager.Instance.ShardLogger.IsDebugEnabled)
{
LoggerManager.Instance.ShardLogger.Debug("NodeToCSHeartbeatTask.Run() ", "The NodeToCS task paused at " +
DateTime.Now.ToString());
}
//foreach (var cluster in ManagementServer.s_DbmNodeConfiguration.DbmClusters.ClustersConfigurations)
//{
// string csIp = cluster.ConfigServers.Nodes[0].Name;
// int csPort = cluster.ConfigServers.Nodes[0].Port;
// BrokenConnectionInfo info = new BrokenConnectionInfo();
// info.BrokenAddress = new Address(csIp, csPort);
// info.SessionType = Common.Communication.SessionTypes.Management;
// _connectionRestoration.RegisterListener(info, this,_context.LocalShardName);
//}
this.Pause();
}
catch (Exception e)
{
if (LoggerManager.Instance.ShardLogger != null && LoggerManager.Instance.ShardLogger.IsErrorEnabled)
{
LoggerManager.Instance.ShardLogger.Error("NodeToCSHbTask.Run() General Exception: ",
e.ToString());
}
if (e.Message.Contains("No configuration server is available to process the request"))
{
_csStatus = ConnectivityStatus.NotConnected;
_membershipManager.OnCSDisconnected();
if (LoggerManager.Instance.ShardLogger != null && LoggerManager.Instance.ShardLogger.IsDebugEnabled)
{
LoggerManager.Instance.ShardLogger.Debug("NodeToCSHeartbeatTask.Run() ", "The NodeToCS task paused at " +
DateTime.Now.ToString());
}
this.Pause();
}
}
Stopwatch sleepWatch = new Stopwatch();
sleepWatch.Start();
Thread.Sleep(_heartbeatInterval);
_startSignal.WaitOne();
sleepWatch.Stop();
if (sleepWatch.Elapsed.TotalMilliseconds > (_heartbeatInterval + 2000))
{
if (LoggerManager.Instance.ShardLogger != null && LoggerManager.Instance.ShardLogger.IsDebugEnabled)
{
LoggerManager.Instance.ShardLogger.Debug("NodeToCSHeartbeatTask.Run() ", "CS task waited for " + sleepWatch.Elapsed.TotalSeconds);
}
}
}
}