public void Dispose()
{
int count = _items.Count;
int[] arrSvr = new int[count];
for (int i = 0; i < count; i++)
{
arrSvr[i] = _items[i].Address.Start;
}
_items.Clear();
IntPtr ptrErr;
try
{
int result = _itemMgt.RemoveItems(count, arrSvr, out ptrErr);
Marshal.FreeCoTaskMem(ptrErr);
if (_grpObj != null)
{
Marshal.ReleaseComObject(_grpObj);
}
}
catch (Exception err)
{
}
_grpObj = null;
_itemMgt = null;
_grpState = null;
_async = null;
_sync = null;
}
/*------------------------------------------------------
* Disconnect OPC Server
*
* (ret) True OK
* False NG
* ------------------------------------------------------*/
public bool Disconnect()
{
if (m_OPCServer == null)
{
return(true);
}
int ret;
try
{
Unadvise();
if (m_OPCGroup != null)
{
ret = Marshal.ReleaseComObject(m_OPCGroup);
m_OPCGroup = null;
}
if (m_OPCGroup2 != null)
{
ret = Marshal.ReleaseComObject(m_OPCGroup2);
m_OPCGroup2 = null;
}
if (m_OPCConnPoint != null)
{
ret = Marshal.ReleaseComObject(m_OPCConnPoint);
m_OPCConnPoint = null;
}
// 2011/11/14 シャットダウンイベントを受けれるようにする (
if (m_iShutdownConnectionCookie != 0)
{
m_OpcShutdownConnectionPoint.Unadvise(m_iShutdownConnectionCookie);
}
m_iShutdownConnectionCookie = 0;
if (m_OpcShutdownConnectionPoint != null)
{
Marshal.ReleaseComObject(m_OpcShutdownConnectionPoint);
m_OpcShutdownConnectionPoint = null;
}
// 2011/11/14 シャットダウンイベントを受けれるようにする )
if (m_iServerGroup != 0) // 06/10/19 Fixed the timing of 'RemoveGroup'.
{ //
m_OPCServer.RemoveGroup(m_iServerGroup, 0); //
m_iServerGroup = 0; //
} //
ret = Marshal.ReleaseComObject(m_OPCServer);
m_OPCServer = null;
m_bConnect = false;
return(true);
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString(), "Disconnect");
m_bConnect = false;
return(false);
}
}
/// <summary>
/// Creates a new subscription.
/// </summary>
/// <param name="state">The initial state of the subscription.</param>
/// <returns>The new subscription object.</returns>
public ITsCDaSubscription CreateSubscription(TsCDaSubscriptionState state)
{
if (state == null)
{
throw new ArgumentNullException(nameof(state));
}
lock (this)
{
if (m_server == null)
{
throw new NotConnectedException();
}
string methodName = "IOPCServer.AddGroup";
// copy the subscription state.
TsCDaSubscriptionState result = (TsCDaSubscriptionState)state.Clone();
// initialize arguments.
Guid iid = typeof(IOPCItemMgt).GUID;
object group = null;
int serverHandle = 0;
int revisedUpdateRate = 0;
GCHandle hDeadband = GCHandle.Alloc(result.Deadband, GCHandleType.Pinned);
// invoke COM method.
try
{
IOPCServer server = BeginComCall <IOPCServer>(methodName, true);
server.AddGroup(
(result.Name != null) ? result.Name : "",
(result.Active) ? 1 : 0,
result.UpdateRate,
0,
IntPtr.Zero,
hDeadband.AddrOfPinnedObject(),
Technosoftware.DaAeHdaClient.Com.Interop.GetLocale(result.Locale),
out serverHandle,
out revisedUpdateRate,
ref iid,
out group);
}
catch (Exception e)
{
ComCallError(methodName, e);
throw Technosoftware.DaAeHdaClient.Utilities.Interop.CreateException(methodName, e);
}
finally
{
if (hDeadband.IsAllocated)
{
hDeadband.Free();
}
EndComCall(methodName);
}
if (group == null)
{
throw new OpcResultException(OpcResult.E_FAIL, "The subscription was not created.");
}
methodName = "IOPCGroupStateMgt2.SetKeepAlive";
// set the keep alive rate if requested.
try
{
int keepAlive = 0;
IOPCGroupStateMgt2 comObject = BeginComCall <IOPCGroupStateMgt2>(group, methodName, true);
comObject.SetKeepAlive(result.KeepAlive, out keepAlive);
result.KeepAlive = keepAlive;
}
catch (Exception e1)
{
result.KeepAlive = 0;
ComCallError(methodName, e1);
}
finally
{
EndComCall(methodName);
}
// save server handle.
result.ServerHandle = serverHandle;
// set the revised update rate.
if (revisedUpdateRate > result.UpdateRate)
{
result.UpdateRate = revisedUpdateRate;
}
// create the subscription object.
Technosoftware.DaAeHdaClient.Com.Da.Subscription subscription = CreateSubscription(group, result, filters_);
// index by server handle.
subscriptions_[serverHandle] = subscription;
// return subscription.
return(subscription);
}
}
/*------------------------------------------------------
* Add OPC Group
*
* (ret) True OK
* False NG
* ------------------------------------------------------*/
public bool AddGroup(string sGrpName, int iUpdateRate)
{
if (m_OPCServer == null)
{
return(false);
}
if (m_OPCGroup != null || m_iServerGroup != 0)
{
return(false);
}
object group = null;
bool bActive = true;
int iClientGroup = 0; //1234;
IntPtr ptrTimeBias = IntPtr.Zero;
IntPtr ptrDeadBand = IntPtr.Zero;
int iLCID = 0;
Guid guidGroupStateMgt;
Guid guidDataCallback;
int iRevisedUpdateRate;
int iKeepAliveTime = 10000;
try
{
switch (m_OpcdaVer)
{
case DEF_OPCDA.VER_30:
guidGroupStateMgt = Marshal.GenerateGuidForType(typeof(IOPCGroupStateMgt2));
m_OPCServer.AddGroup(sGrpName,
(bActive) ? 1 : 0,
iUpdateRate,
iClientGroup,
ptrTimeBias,
ptrDeadBand,
iLCID,
out m_iServerGroup,
out iRevisedUpdateRate,
ref guidGroupStateMgt,
out group);
m_OPCGroup2 = (IOPCGroupStateMgt2)group;
m_OPCGroup2.SetKeepAlive(iKeepAliveTime, out iKeepAliveTime);
m_OPCConnPointCntnr = (IConnectionPointContainer)m_OPCGroup2;
guidDataCallback = Marshal.GenerateGuidForType(typeof(IOPCDataCallback));
m_OPCConnPointCntnr.FindConnectionPoint(ref guidDataCallback, out m_OPCConnPoint);
break;
case DEF_OPCDA.VER_10:
case DEF_OPCDA.VER_20:
default:
guidGroupStateMgt = Marshal.GenerateGuidForType(typeof(IOPCGroupStateMgt));
m_OPCServer.AddGroup(sGrpName,
(bActive) ? 1 : 0,
iUpdateRate,
iClientGroup,
ptrTimeBias,
ptrDeadBand,
iLCID,
out m_iServerGroup,
out iRevisedUpdateRate,
ref guidGroupStateMgt,
out group);
m_OPCGroup = (IOPCGroupStateMgt)group;
m_OPCConnPointCntnr = (IConnectionPointContainer)m_OPCGroup;
guidDataCallback = Marshal.GenerateGuidForType(typeof(IOPCDataCallback));
m_OPCConnPointCntnr.FindConnectionPoint(ref guidDataCallback, out m_OPCConnPoint);
break;
}
return(true);
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString(), "AddGroup");
return(false);
}
}
// 2011/11/14 シャットダウンイベントを受けれるようにする )
// 2012/01/12 グループのアクティブ/非アクティブを切り替え (
//=====================================================
//Function : SetGroupActiveStatus(bool bSetActiveState, out string sErrMsg)
//Distribution : グループのアクティブ状態を設定
//return : true 接続完了
// false 接続失敗
//=====================================================
public bool SetGroupActiveStatus(bool bSetActiveState, out string sErrMsg)
{
sErrMsg = string.Empty;
if (m_OPCServer == null)
{
sErrMsg = "No connecting";
return(false);
}
if (((m_OPCGroup == null) && (m_OPCGroup2 == null)) || m_iServerGroup == 0)
{
sErrMsg = "No connecting";
return(false);
}
// アクティブ状態指定用
IntPtr pActive = IntPtr.Zero;
try
{
int nUpdateRate = 0;
int nActive = 0;
string sName = "";
int nTimeBias = 0;
float fDeadband = 0;
int nLCID = 0;
int nClientGroup = 0;
int nServerGroup = 0;
int nRevisedUpdateRate = 0;
int nActiveState = (bSetActiveState == true) ? 1 : 0;
// ポインタ実体メモリエリアを確保し、nActiveStateをコピー(アンセーフコードで確保）
pActive = Marshal.AllocHGlobal(sizeof(int));
Marshal.StructureToPtr(nActiveState, pActive, false);
switch (m_OpcdaVer)
{
case DEF_OPCDA.VER_30:
{
IOPCGroupStateMgt2 OPCGroup = (IOPCGroupStateMgt2)m_OPCGroup2;
OPCGroup.GetState(out nUpdateRate, out nActive, out sName, out nTimeBias, out fDeadband, out nLCID, out nClientGroup, out nServerGroup);
OPCGroup.SetState(IntPtr.Zero, out nRevisedUpdateRate, pActive, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
}
break;
case DEF_OPCDA.VER_10:
case DEF_OPCDA.VER_20:
default:
{
IOPCGroupStateMgt OPCGroup = (IOPCGroupStateMgt)m_OPCGroup;
OPCGroup.GetState(out nUpdateRate, out nActive, out sName, out nTimeBias, out fDeadband, out nLCID, out nClientGroup, out nServerGroup);
OPCGroup.SetState(IntPtr.Zero, out nRevisedUpdateRate, pActive, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
}
break;
}
return(true);
}
catch (Exception exc)
{
// 例外処理
sErrMsg = exc.ToString();
return(false);
}
finally
{
// 確保したメモリエリアを解放(アンセーフコードで確保したため）
Marshal.FreeHGlobal(pActive);
}
}
// 2011/11/14 �V���b�g?�E���C�x���g�����悤�ɂ��� )
// 2012/01/12 �O��?�v�̃A�N�e�B�u/��A�N�e�B�u���ւ� (
//=====================================================
//Function : SetGroupActiveStatus(bool bSetActiveState, out string sErrMsg)
//Distribution : �O��?�v�̃A�N�e�B�u��Ԃ�ݒ�
//return : true �ڑ�����
// false �ڑ����s
//=====================================================
public bool SetGroupActiveStatus(bool bSetActiveState, out string sErrMsg)
{
sErrMsg = string.Empty;
if (m_OPCServer == null)
{
sErrMsg = "No connecting";
return(false);
}
if (((m_OPCGroup == null) && (m_OPCGroup2 == null)) || m_iServerGroup == 0)
{
sErrMsg = "No connecting";
return(false);
}
// �A�N�e�B�u��Ԏw��p
IntPtr pActive = IntPtr.Zero;
try
{
int nUpdateRate = 0;
int nActive = 0;
string sName = "";
int nTimeBias = 0;
float fDeadband = 0;
int nLCID = 0;
int nClientGroup = 0;
int nServerGroup = 0;
int nRevisedUpdateRate = 0;
int nActiveState = (bSetActiveState == true) ? 1 : 0;
// ?�C��?���̃������G���A���m�ۂ��AnActiveState���R�s?(�A���Z?�t�R?�h�Ŋm�ہj
pActive = Marshal.AllocHGlobal(sizeof(int));
Marshal.StructureToPtr(nActiveState, pActive, false);
switch (m_OpcdaVer)
{
case DEF_OPCDA.VER_30:
{
IOPCGroupStateMgt2 OPCGroup = (IOPCGroupStateMgt2)m_OPCGroup2;
OPCGroup.GetState(out nUpdateRate, out nActive, out sName, out nTimeBias, out fDeadband, out nLCID, out nClientGroup, out nServerGroup);
OPCGroup.SetState(IntPtr.Zero, out nRevisedUpdateRate, pActive, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
}
break;
case DEF_OPCDA.VER_10:
case DEF_OPCDA.VER_20:
default:
{
IOPCGroupStateMgt OPCGroup = (IOPCGroupStateMgt)m_OPCGroup;
OPCGroup.GetState(out nUpdateRate, out nActive, out sName, out nTimeBias, out fDeadband, out nLCID, out nClientGroup, out nServerGroup);
OPCGroup.SetState(IntPtr.Zero, out nRevisedUpdateRate, pActive, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
}
break;
}
return(true);
}
catch (Exception exc)
{
// ��O����
sErrMsg = exc.ToString();
return(false);
}
finally
{
// �m�ۂ����������G���A�����(�A���Z?�t�R?�h�Ŋm�ۂ������߁j
Marshal.FreeHGlobal(pActive);
}
}
