/// <returns></returns>
private RemoteController CreateRemoteController(string strMachineName, int iPortNumber)
{
RemoteController remoteController = null;
try
{
string strRemoteObjUrl = "tcp://" + strMachineName + ":" + iPortNumber.ToString() + "/GalaxyRemoteController";
UrlAttribute urlAttr = new UrlAttribute(strRemoteObjUrl);
object[] rgAct = { urlAttr };
remoteController = Activator.CreateInstance(Type.GetType("Galaxy.Tools.RemoteController, RemoteImpLib"), null, rgAct) as RemoteController;
remoteController.AddCmdOutputEventSinker(m_cmdOutputEventSinker.OnCmdOutput);
remoteController.AddCmdFinishEventSinker(m_cmdOutputEventSinker.OnCmdFinish);
remoteController.IsLive();
}
catch (Exception e)
{
// The remote server is offline
remoteController = null;
Console.WriteLine(e.Message);
}
// Register the lease sponsor
if (remoteController != null)
{
remoteController.Port = iPortNumber;
remoteController.MachineName = strMachineName;
ILease lease = RemotingServices.GetLifetimeService(remoteController) as ILease;
lease.Register(m_sponsor);
}
return(remoteController);
}
/// <returns>
/// null - something wrong
/// </returns>
private RemoteController GetRemoteController(string strMachineName, int iPortNumber)
{
RemoteController remoteController = null;
if (m_remoteControllerDict.ContainsKey(strMachineName))
{
// We have cached the remote controller
remoteController = m_remoteControllerDict[strMachineName];
try
{
remoteController.IsLive();
}
catch (Exception)
{
// The cached remote controller has something wrong, we need to create a new one
remoteController = null;
}
if (remoteController == null)
{
remoteController = CreateRemoteController(strMachineName, iPortNumber);
if (remoteController == null)
{
// Remove the key
m_remoteControllerDict.Remove(strMachineName);
}
else
{
// Update the key
m_remoteControllerDict[strMachineName] = remoteController;
}
}
}
else
{
// We need to create a remote controller
remoteController = CreateRemoteController(strMachineName, iPortNumber);
if (remoteController != null)
{
// Add a new item to the dict
m_remoteControllerDict.Add(strMachineName, remoteController);
}
}
return(remoteController);
}
private void MonitorCurRemoteController(object objPara)
{
if (m_curRemoteController != null)
{
try
{
m_curRemoteController.IsLive();
}
catch (Exception)
{
m_iCheckTimes++;
if (m_iCheckTimes >= 2)
{
// We have lost the connection to the remote controller for at least 2 mins
m_curRemoteController = null;
m_remoteControllerDict.Remove(m_strCurRemoteControllerName);
Console.WriteLine("Lost connection to the machine!");
m_waitingOutputFinishEvent.Set();
}
}
}
}
