public GNode(RemoteEndPoint managerEP, OwnEndPoint ownEP, SecurityCredentials credentials, string remoteObjectPrefix)
{
_OwnEP = ownEP;
_Credentials = credentials;
_ManagerEP = managerEP;
_RemoteObjPrefix = remoteObjectPrefix;
Init();
}
/// <summary>
/// Creates a new instance of the GConnection class
/// </summary>
/// <param name="managerEP">manager end point</param>
/// <param name="ownEP">own end point</param>
/// <param name="credentials"></param>
public GNode(RemoteEndPoint managerEP, OwnEndPoint ownEP, SecurityCredentials credentials) : this(managerEP, ownEP, credentials, DefaultRemoteObjectPrefix)
{
}
public void Connect()
{
logger.Info("Connecting....");
if (ExecConnectEvent!=null){
ExecConnectEvent("Connecting....",0);
}
Executors = new GExecutor[GetNumberOfExecutors()];
for (int executorIndex = 0; executorIndex < Executors.Length; executorIndex++)
{
RemoteEndPoint rep = new RemoteEndPoint(
Config.ManagerHost,
Config.ManagerPort,
RemotingMechanism.TcpBinary
);
logger.Debug("Created remote-end-point");
if (ExecConnectEvent!=null)
{
ExecConnectEvent("Created remote-end-point",20);
}
// TODO: kind of hack-ish way of determining the port for higher thread numbers
OwnEndPoint oep = new OwnEndPoint(
Config.OwnPort + executorIndex,
RemotingMechanism.TcpBinary
);
logger.Debug("Created own-end-point");
if (ExecConnectEvent!=null)
{
ExecConnectEvent("Created own-end-point",40);
}
string executorId = Config.GetIdAtLocation(executorIndex);
// the executorId is used in the remoting URI so it MUST be initialized here
if (executorId == String.Empty)
{
executorId = Guid.NewGuid().ToString();
}
// connect to manager
Executors[executorIndex] = new GExecutor(rep, oep, executorId, Config.Dedicated, new SecurityCredentials(Config.Username, Config.Password), AppDomain.CurrentDomain.BaseDirectory);
if (ExecConnectEvent!=null)
{
ExecConnectEvent("Updating executor configuration.",80);
}
Config.ConnectVerified = true;
Config.SetIdAtLocation(executorIndex, Executors[executorIndex].Id);
Config.Dedicated = Executors[executorIndex].Dedicated;
if (ExecConnectEvent!=null)
{
ExecConnectEvent("Saved configuration.",60);
}
if (ExecConnectEvent!=null)
{
ExecConnectEvent("Connected successfully.",100);
}
Executors[executorIndex].GotDisconnected += new GotDisconnectedEventHandler(GExecutor_GotDisconnected);
Executors[executorIndex].NonDedicatedExecutingStatusChanged += new NonDedicatedExecutingStatusChangedEventHandler(GExecutor_NonDedicatedExecutingStatusChanged);
}
Config.Slz();
Config.ConnectVerified = true;
logger.Info("Connected successfully.");
}
//-----------------------------------------------------------------------------------------------
// constructors
//-----------------------------------------------------------------------------------------------
/// <summary>
/// Creates an instance of the GExecutor with the given end points
/// (one for itself, and one for the manager), credentials and other options.
/// </summary>
/// <param name="managerEP">Manager end point</param>
/// <param name="ownEP">Own end point</param>
/// <param name="id">executor id</param>
/// <param name="dedicated">Specifies whether the executor is dedicated</param>
/// <param name="sc">Security credentials</param>
/// <param name="baseDir">Working directory for the executor</param>
public GExecutor(RemoteEndPoint managerEP, OwnEndPoint ownEP, string id, bool dedicated, SecurityCredentials sc, string baseDir)
: base(managerEP, ownEP, sc, id)
{
//eduGRID Addition
iBot = new AIMLBot.iBOT();
//Edn of eduGRID Addition
_BaseDir = baseDir;
if (_BaseDir == "" || _BaseDir==null)
{
_BaseDir = AppDomain.CurrentDomain.BaseDirectory;
}
string datDir = Path.Combine(_BaseDir,"dat");
logger.Debug("datadir="+datDir);
if (!Directory.Exists(datDir))
{
logger.Debug("Couldnot find datadir. Creating it..."+datDir);
Directory.CreateDirectory(datDir);
}
_Dedicated = dedicated;
_Id = id;
if (_Id == "")
{
logger.Info("Registering new executor");
_Id = Manager.Executor_RegisterNewExecutor(Credentials, null, Info);
logger.Info("Successfully Registered new executor:"+_Id);
}
else
{
// update the executor data if it exists in the database or create a new one if it is not found
_Id = Manager.Executor_RegisterNewExecutor(Credentials, _Id, Info);
logger.Debug("Id is "+_Id);
}
//handle exception since we want to connect to the manager
//even if it doesnt succeed the first time.
//that is, we need to handle InvalidExecutor and ConnectBack Exceptions.
try
{
try
{
ConnectToManager();
}
catch (InvalidExecutorException)
{
logger.Info("Invalid executor! Registering new executor again...");
_Id = Manager.Executor_RegisterNewExecutor(Credentials, null, Info);
logger.Info("New ExecutorID = " + _Id);
ConnectToManager();
}
}
catch (ConnectBackException)
{
logger.Warn("Couldn't connect as dedicated executor. Reverting to non-dedicated executor. ConnectBackException");
_Dedicated = false;
ConnectToManager();
}
//for non-dedicated mode, the heart-beat thread will be started
if (_Dedicated)
{
logger.Debug("Dedicated mode: starting heart-beat thread");
StartHeartBeatThread();
}
}
/// <summary>
/// Starts the Manager
/// </summary>
public void Start()
{
if (Started || _Starting)
return;
_Starting = true;
try
{
if (Config==null)
{
ReadConfig(false);
logger.Debug("Config is null. Getting config from file...");
}
OwnEndPoint ownEP = new OwnEndPoint(
Config.OwnPort,
RemotingMechanism.TcpBinary
);
logger.Debug("Configuring remoting");
try
{
if (ManagerStartEvent!=null)
ManagerStartEvent("Configuring remoting",10);
}
catch (Exception ex)
{
logger.Debug("Error in ManagerStartStatus event-handler: "+ex.ToString());
}
RemotingConfiguration.Configure(AppDomain.CurrentDomain.BaseDirectory+RemotingConfigFile);
//TODO: for hierarchical grids
// RemoteEndPoint managerEP = null;
// if (Config.Intermediate)
// {
// managerEP = new RemoteEndPoint(
// Config.ManagerHost,
// Config.ManagerPort,
// RemotingMechanism.TcpBinary
// );
// }
logger.Debug("Registering tcp channel on port: "+ownEP.Port);
try
{
_Chnl = new TcpChannel(ownEP.Port);
ChannelServices.RegisterChannel(_Chnl);
}
catch (Exception ex)
{
logger.Error("Error registering channel...",ex);
}
try
{
if (ManagerStartEvent!=null)
ManagerStartEvent("Registered tcp channel on port: "+ownEP.Port,30);
}
catch (Exception ex)
{
logger.Debug("Error in ManagerStartStatus event-handler: "+ex.ToString());
}
//since this is a single call thing, thread safety isnt an issue
logger.Debug("Registering well known service type");
RemotingConfiguration.RegisterWellKnownServiceType(
typeof(GManager), "Alchemi_Node",
WellKnownObjectMode.SingleCall);
// TODO: hierarchical grids ignored until after v1.0.0
/*
_Dedicated = dedicated;
_Id = id;
if (Manager != null)
{
if (_Id == "")
{
Log("Registering new executor ...");
_Id = Manager.Executor_RegisterNewExecutor(null, new ExecutorInfo);
Log("New ExecutorID = " + _Id);
}
try
{
try
{
ConnectToManager();
}
catch (InvalidExecutorException)
{
Log("Invalid executor! Registering new executor ...");
_Id = Manager.Executor_RegisterNewExecutor(null, new ExecutorInfo);
Log("New ExecutorID = " + _Id);
ConnectToManager();
}
}
catch (ConnectBackException)
{
Log("Couldn't connect as dedicated executor. Reverting to non-dedicated executor.");
_Dedicated = false;
ConnectToManager();
}
}
*/
string datDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,"dat");
logger.Debug("datadir="+datDir);
if (!Directory.Exists(datDir))
{
Directory.CreateDirectory(datDir);
logger.Debug("Data directory not found. Creating a new one:"+datDir);
}
try
{
if (ManagerStartEvent!=null)
ManagerStartEvent("Initialising a new scheduler",50);
}
catch (Exception ex)
{
logger.Debug("Error in ManagerStartStatus event-handler: "+ex.ToString());
}
logger.Debug("Initialising a new scheduler");
IScheduler scheduler = new DefaultScheduler();
scheduler.Executors = _Executors;
scheduler.Applications = _Applications;
logger.Debug("Configuring internal shared class...");
ManagerStorageFactory.CreateManagerStorage(Config);
try
{
if (!ManagerStorageFactory.ManagerStorage().VerifyConnection())
{
throw new Exception("Error connecting to manager storage. Please check manager log file for details.");
}
}
catch (Exception ex)
{
throw new Exception("Error connecting to manager storage.", ex);
}
InternalShared common = InternalShared.GetInstance(datDir,scheduler);
logger.Debug("Initialising scheduler - done");
logger.Debug("Starting scheduler thread");
try
{
if (ManagerStartEvent!=null)
ManagerStartEvent("Starting scheduler thread",60);
}
catch (Exception ex)
{
logger.Debug("Error in ManagerStartStatus event-handler: "+ex.ToString());
}
_stopScheduler = false;
_DedicatedSchedulerThread = new Thread(new ThreadStart(ScheduleDedicated));
_DedicatedSchedulerThread.Start();
try
{
if (ManagerStartEvent!=null)
ManagerStartEvent("Starting watchdog thread",70);
}
catch (Exception ex)
{
logger.Debug("Error in ManagerStartStatus event-handler: "+ex.ToString());
}
logger.Info("Starting watchdog thread");
_stopWatchDog = false;
_WatchDogThread = new Thread(new ThreadStart(Watchdog));
_WatchDogThread.Start();
try
{
if (ManagerStartEvent!=null)
ManagerStartEvent("Updating configuration",80);
}
catch (Exception ex)
{
logger.Debug("Error in ManagerStartStatus event-handler: "+ex.ToString());
}
//start a seperate thread to init-known executors, since this may take a while.
_InitExecutorsThread = new Thread(new ThreadStart(InitExecutors));
_InitExecutorsThread.Start();
Config.Slz();
try
{
if (ManagerStartEvent!=null)
ManagerStartEvent("Started Manager",100);
}
catch (Exception ex)
{
logger.Debug("Error in ManagerStartStatus event-handler: "+ex.ToString());
}
Started = true;
_Starting = false;
}
catch (Exception e)
{
Stop();
logger.Error("Error Starting Manager Container",e);
throw e;
}
}
public GNode(RemoteEndPoint managerEP, OwnEndPoint ownEP, SecurityCredentials credentials, string remoteObjectPrefix)
{
_OwnEP = ownEP;
_Credentials = credentials;
_ManagerEP = managerEP;
_RemoteObjPrefix = remoteObjectPrefix;
Init();
}
/// <summary>
/// Creates a new instance of the GConnection class
/// </summary>
/// <param name="managerEP">manager end point</param>
/// <param name="ownEP">own end point</param>
/// <param name="credentials"></param>
public GNode(RemoteEndPoint managerEP, OwnEndPoint ownEP, SecurityCredentials credentials)
: this(managerEP, ownEP, credentials, DefaultRemoteObjectPrefix)
{
}