/// <summary>
/// Cleans up the COM object references.
/// </summary>
/// <param name="disposing">
/// <see langword="true"/> if this was called from the
/// <see cref="IDisposable"/> interface.
/// </param>
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
_owner = null;
_unmappedEventKeys = null;
if (null != _events)
{
_events.Dispose();
_events = null;
}
}
if (null != _connectionPoint)
{
if (0 != _connectionCookie)
{
_connectionPoint.Unadvise(_connectionCookie);
_connectionCookie = 0;
}
while (Marshal.ReleaseComObject(_connectionPoint) > 0)
{
;
}
_connectionPoint = null;
}
}
/// <summary>
/// Cleans up the COM object references.
/// </summary>
/// <param name="disposing">
/// <see langword="true"/> if this was called from the
/// <see cref="IDisposable"/> interface.
/// </param>
private void Dispose(bool disposing)
{
lock (this)
{
if (null != _eventSink)
{
_eventSink.Dispose();
_eventSink = null;
}
if (null != _connectionPoint)
{
while (Marshal.ReleaseComObject(_connectionPoint) > 0)
{
;
}
_connectionPoint = null;
}
if (null != _connectionPointContainer)
{
while (Marshal.ReleaseComObject(_connectionPointContainer) > 0)
{
;
}
_connectionPointContainer = null;
}
}
}
/// <summary>
/// Cleans up the COM object references.
/// </summary>
/// <param name="disposing">
/// <see langword="true"/> if this was called from the
/// <see cref="IDisposable"/> interface.
/// </param>
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
_owner = null;
_unmappedEventKeys = null;
if (null != _events)
{
_events.Dispose();
_events = null;
}
}
if (null != _connectionPoint)
{
if (0 != _connectionCookie)
{
_connectionPoint.Unadvise(_connectionCookie);
_connectionCookie = 0;
}
while( Marshal.ReleaseComObject(_connectionPoint) > 0 );
_connectionPoint = null;
}
}
// Disconnect from ActiveX event source
void Disconnect()
{
System.Threading.Monitor.Enter(this);
try {
if (EventSinkHelper != null)
{
ConnectionPoint.Unadvise(EventSinkHelper.Cookie);
}
ConnectionPoint = null;
EventSinkHelper = null;
} catch { }
System.Threading.Monitor.Exit(this);
}
/// <summary>
/// Connects this event sink to a COM object.
/// </summary>
/// <param name="connectionPoint">
/// The connection point to connect to.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="connectionPoint"/> is <see langword="null"/>.
/// </exception>
internal void Connect(UCOMIConnectionPoint connectionPoint)
{
if (null == connectionPoint)
{
throw new ArgumentNullException("connectionPoint");
}
if (0 == _connectionCookie)
{
int connectionCookie;
connectionPoint.Advise(this, out connectionCookie);
_connectionCookie = connectionCookie;
_connectionPoint = connectionPoint;
}
}
/// <summary>
/// Initialize the event sink.
/// </summary>
private void Initialize()
{
if (null == _connectionPointContainer)
{
throw new ObjectDisposedException("ComEventProvider");
}
UCOMIConnectionPoint connectionPoint;
Guid pointGuid = _connectionPointGuid;
_connectionPointContainer.FindConnectionPoint(ref pointGuid, out connectionPoint);
_connectionPoint = connectionPoint;
_eventSink = (ComEventSink)Activator.CreateInstance(_eventSinkType);
_eventSink.Connect(_connectionPoint);
_eventSink.Owner = _owner;
}
// Method called when the connection is put back into the pool while it is manually
// enlisted in a distributed transaction. We must create an outcome event and let the
// connection wait until the distributed transaction has finished. Once it does, we then
// put it back into the general population of the pool.
private void PutConnectionManualEnlisted(SqlInternalConnection con)
{
ITransaction transaction = con.ManualEnlistedTransaction;
con.ResetCachedTransaction(); // Null out con internal transaction reference
con.InPool = true; // Mark as in pool so it will not be reclaimed by CheckForDeadConnections
// Create IConnectionPoint object - from ITransaction
UCOMIConnectionPoint point = (UCOMIConnectionPoint)transaction;
// Create outcome event - passing pool, connection, and the IConnectionPoint object
TransactionOutcomeEvents outcomeEvent = new TransactionOutcomeEvents(this, con, point);
Int32 cookie = 0;
point.Advise(outcomeEvent, out cookie); // Register for callbacks, obtain cookie
outcomeEvent.SetCookie(cookie); // Set the cookie on the event
}
private void ReturnToPool()
{
if (_signaled)
{
if (null != _connection && null != _pool)
{
_pool.PutNewConnection(_connection);
_pool = null;
_connection = null;
}
if (0 != _cookie && null != _point)
{
_point.Unadvise(_cookie);
_point = null;
_cookie = 0;
}
}
}
private void ReturnToPool()
{
if (_signaled)
{
if (null != _pooledObject && null != _pool)
{
_pool.PutNewObject(_pooledObject);
_pool = null;
_pooledObject = null;
}
if (0 != _cookie && null != _point)
{
_point.Unadvise(_cookie);
_point = null;
_cookie = 0;
}
}
}
/// <summary>
/// Disconnects this event sink from a COM object.
/// </summary>
internal void Disconnect()
{
if (null != _connectionPoint)
{
if (0 != _connectionCookie)
{
_connectionPoint.Unadvise(_connectionCookie);
_connectionCookie = 0;
}
while (Marshal.ReleaseComObject(_connectionPoint) > 0)
{
;
}
_connectionPoint = null;
}
_owner = null;
}
private bool _signaled; // Bool in case signal occurs before Cookie is set.
public TransactionOutcomeEvents(DBObjectPool pool, DBPooledObject pooledObject, UCOMIConnectionPoint point)
{
_pool = pool;
_pooledObject = pooledObject;
_point = point;
}
public void Disconnect()
{
if( ! (shutdowncpoint == null) )
{
if( shutdowncookie != 0 )
{
shutdowncpoint.Unadvise( shutdowncookie );
shutdowncookie = 0;
}
int rc = Marshal.ReleaseComObject( shutdowncpoint );
shutdowncpoint = null;
}
cpointcontainer = null;
ifBrowse = null;
ifItmProps = null;
ifCommon = null;
ifServer = null;
if( ! (OPCserverObj == null) )
{
int rc = Marshal.ReleaseComObject( OPCserverObj );
OPCserverObj = null;
}
}
public void Remove( bool bForce )
{
if( ! (callbackcpoint == null) )
{
if( callbackcookie != 0 )
{
callbackcpoint.Unadvise( callbackcookie );
callbackcookie = 0;
}
int rc = Marshal.ReleaseComObject( callbackcpoint );
callbackcpoint = null;
}
cpointcontainer = null;
ifItems = null;
ifSync = null;
ifAsync = null;
if( ! (ifMgt == null) )
{
int rc = Marshal.ReleaseComObject( ifMgt );
ifMgt = null;
}
if( ! (ifServer == null) )
{
if( ! state.Public )
ifServer.RemoveGroup( state.HandleServer, bForce );
ifServer = null;
}
state.HandleServer = 0;
}
// Disconnect from ActiveX event source
void Disconnect()
{
System.Threading.Monitor.Enter(this);
try {
if (EventSinkHelper != null)
ConnectionPoint.Unadvise(EventSinkHelper.Cookie);
ConnectionPoint = null;
EventSinkHelper = null;
} catch { }
System.Threading.Monitor.Exit(this);
}
public string ExecuteSqlServerPackage(int iBuyerCompanyID, string strFromDate, string strToDate, string strType)
{
string strMessage = "";
UCOMIConnectionPointContainer CnnctPtCont = null;
UCOMIConnectionPoint CnnctPt = null;
PackageEventsSink PES = null;
int iCookie = 0;
try
{
package = new Package2Class();
CnnctPtCont = (UCOMIConnectionPointContainer)package;
PES = new PackageEventsSink();
Guid guid = new Guid("10020605-EB1C-11CF-AE6E-00AA004A34D5");
CnnctPtCont.FindConnectionPoint(ref guid, out CnnctPt);
CnnctPt.Advise(PES, out iCookie);
object pVarPersistStgOfHost = null;
package.LoadFromSQLServer(serverName, serverUsername, serverPassword, DTSSQLServerStorageFlags.DTSSQLStgFlag_Default, null,
null, null, packageName, ref pVarPersistStgOfHost);
foreach (GlobalVariable global in package.GlobalVariables)
{
try
{
if (global.Name.Equals("BuyerCompanyID"))
{
package.GlobalVariables.Remove(global.Name);
}
if (global.Name.Equals("FromDate"))
{
package.GlobalVariables.Remove(global.Name);
}
if (global.Name.Equals("ToDate"))
{
package.GlobalVariables.Remove(global.Name);
}
}
catch (Exception ex) { strMessage = strMessage + ex.Message + Environment.NewLine; }
}
//Read all the global variables that are of type string
package.GlobalVariables.AddGlobalVariable("BuyerCompanyID", iBuyerCompanyID);
package.GlobalVariables.AddGlobalVariable("FromDate", strFromDate);
package.GlobalVariables.AddGlobalVariable("ToDate", strToDate);
package.Execute();
package.UnInitialize();
package = null;
CnnctPt.Unadvise(iCookie); //a connection that is created by IConnectionPoint.Advise must be closed by calling IConnectionPoint.Unadvise to avoid a memory leak
strMessage = strMessage + "CSV Files generated successfully through DTS package." + Environment.NewLine;
}
catch (System.Runtime.InteropServices.COMException ex) { strMessage = strMessage + ex.Message + Environment.NewLine; package.UnInitialize(); package = null; CnnctPt.Unadvise(iCookie); }
catch (Exception ex) { strMessage = strMessage + ex.Message + Environment.NewLine; package.UnInitialize(); package = null; CnnctPt.Unadvise(iCookie); }
return(strMessage);
}
/// <summary>
/// Initialize the event sink.
/// </summary>
private void Initialize()
{
if (null == _connectionPointContainer)
throw new ObjectDisposedException("ComEventProvider");
UCOMIConnectionPoint connectionPoint;
Guid pointGuid = _connectionPointGuid;
_connectionPointContainer.FindConnectionPoint(ref pointGuid, out connectionPoint);
_connectionPoint = connectionPoint;
_eventSink = (ComEventSink)Activator.CreateInstance(_eventSinkType);
_eventSink.Connect(_connectionPoint);
_eventSink.Owner = _owner;
}
private bool _signaled; // Bool in case signal occurs before Cookie is set.
public TransactionOutcomeEvents(ConnectionPool pool, SqlInternalConnection connection, UCOMIConnectionPoint point)
{
_pool = pool;
_connection = connection;
_point = point;
}
public ConnectionPointCookie(object source, object sink, Type eventInterface, bool throwException)
{
Exception exception = null;
if (source is UCOMIConnectionPointContainer)
{
UCOMIConnectionPointContainer container = (UCOMIConnectionPointContainer) source;
try
{
Guid gUID = eventInterface.GUID;
container.FindConnectionPoint(ref gUID, out this.connectionPoint);
}
catch (Exception)
{
this.connectionPoint = null;
}
if (this.connectionPoint == null)
{
exception = new ArgumentException("The source object does not expose the " + eventInterface.Name + " event inteface");
goto Label_00C1;
}
if (!eventInterface.IsInstanceOfType(sink))
{
exception = new InvalidCastException("The sink object does not implement the eventInterface");
goto Label_00C1;
}
try
{
this.connectionPoint.Advise(sink, out this.cookie);
goto Label_00C1;
}
catch
{
this.cookie = 0;
this.connectionPoint = null;
exception = new Exception("IConnectionPoint::Advise failed for event interface '" + eventInterface.Name + "'");
goto Label_00C1;
}
}
exception = new InvalidCastException("The source object does not expost IConnectionPointContainer");
Label_00C1:
if (!throwException || ((this.connectionPoint != null) && (this.cookie != 0)))
{
return;
}
if (exception == null)
{
throw new ArgumentException("Could not create connection point for event interface '" + eventInterface.Name + "'");
}
throw exception;
}
/// <summary>
/// Cleans up the COM object references.
/// </summary>
/// <param name="disposing">
/// <see langword="true"/> if this was called from the
/// <see cref="IDisposable"/> interface.
/// </param>
private void Dispose(bool disposing)
{
lock(this)
{
if (null != _eventSink)
{
_eventSink.Dispose();
_eventSink = null;
}
if (null != _connectionPoint)
{
while( Marshal.ReleaseComObject(_connectionPoint) > 0 );
_connectionPoint = null;
}
if (null != _connectionPointContainer)
{
while( Marshal.ReleaseComObject(_connectionPointContainer) > 0 );
_connectionPointContainer = null;
}
}
}
public void PutObject(DBPooledObject obj, object owningObject)
{
if (obj == null)
{
throw ADP.ArgumentNull("obj");
}
obj.PrePush(owningObject);
if (_state != State.ShuttingDown)
{
bool isInTransaction = obj.Deactivate();
if (obj.CanBePooled())
{
#if USEORAMTS
ITransaction transaction = obj.ManualEnlistedTransaction;
if (null != transaction)
{
// When the object is put back into the pool while it is manually
// enlisted in a distributed transaction, we must create an outcome
// event and let the object wait until the distributed transaction
// has finished. Once it does, the TransactionOutcomeEvents class
// can put it back into the general population of the pool.
UCOMIConnectionPoint point = (UCOMIConnectionPoint)transaction;
TransactionOutcomeEvents outcomeEvent = new TransactionOutcomeEvents(this, obj, point);
Int32 cookie = 0;
point.Advise(outcomeEvent, out cookie); // Register for callbacks, obtain cookie
outcomeEvent.SetCookie(cookie); // Set the cookie on the event
#if ALLOWTRACING
ADP.TraceObjectPoolActivity("WaitForOutcomeEvnt", obj);
#endif //ALLOWTRACING
return;
}
#endif //USEORAMTS
// Try shoving it in the tx context first. If that succeeds,
// we're done.
if (isInTransaction && TryPutResourceInContext(obj))
{
return;
}
// If the above failed, we just shove it into our current collection
PutNewObject(obj);
}
else
{
DestroyObject(obj);
// Make sure we're at quota by posting a callback to the threadpool.
ThreadPool.QueueUserWorkItem(new WaitCallback(PoolCreateRequest));
}
}
else
{
// If we're shutting down, we destroy the object.
DestroyObject(obj);
}
}
/// <summary>
/// Connects this event sink to a COM object.
/// </summary>
/// <param name="connectionPoint">
/// The connection point to connect to.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="connectionPoint"/> is <see langword="null"/>.
/// </exception>
internal void Connect(UCOMIConnectionPoint connectionPoint)
{
if (null == connectionPoint) throw new ArgumentNullException("connectionPoint");
if (0 == _connectionCookie)
{
int connectionCookie;
connectionPoint.Advise(this, out connectionCookie);
_connectionCookie = connectionCookie;
_connectionPoint = connectionPoint;
}
}
public void Disconnect()
{
if ((this.connectionPoint != null) && (this.cookie != 0))
{
try
{
this.connectionPoint.Unadvise(this.cookie);
this.cookie = 0;
this.connectionPoint = null;
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message);
}
}
}
/// <summary>
/// Disconnects this event sink from a COM object.
/// </summary>
internal void Disconnect()
{
if (null != _connectionPoint)
{
if (0 != _connectionCookie)
{
_connectionPoint.Unadvise(_connectionCookie);
_connectionCookie = 0;
}
while( Marshal.ReleaseComObject(_connectionPoint) > 0 );
_connectionPoint = null;
}
_owner = null;
}
