internal void InternalAdd(int[] p_BiasTime, float[] p_PercentDeadband, int p_LocaleID)
{
Type l_TypGrpMgt = typeof(IOPCGroupStateMgt);
Guid l_GuidGrpTst = l_TypGrpMgt.GUID;
object l_ObjTemp;
if (m_State.Public)
{
IOPCServerPublicGroups l_IfPubGrps = null;
l_IfPubGrps = (IOPCServerPublicGroups)m_IfServer;
if (l_IfPubGrps == null)
{
Marshal.ThrowExceptionForHR(HResults.E_NOINTERFACE);
}
l_IfPubGrps.GetPublicGroupByName(m_State.Name, ref l_GuidGrpTst, out l_ObjTemp);
l_IfPubGrps = null;
}
else
{
m_IfServer.AddGroup(m_State.Name, m_State.Active, m_State.UpdateRate,
m_State.HandleClient, p_BiasTime, p_PercentDeadband, m_State.LocaleID,
out m_State.HandleServer, out m_State.UpdateRate, ref l_GuidGrpTst, out l_ObjTemp);
}
if (l_ObjTemp == null)
{
Marshal.ThrowExceptionForHR(HResults.E_NOINTERFACE);
}
m_IfMgt = (IOPCGroupStateMgt)l_ObjTemp;
l_ObjTemp = null;
GetStates();
GetInterfaces();
AdviseIOPCDataCallback();
}
public void Release()
{
try
{
if (dwCookie != 0)
{
//pIConnectionPoint.Unadvise(dwCookie);
dwCookie = 0;
}
// Free the unmanaged COM memory
//Marshal.ReleaseComObject(pIConnectionPoint);
pIConnectionPoint = null;
//Marshal.ReleaseComObject(pIConnectionPointContainer);
pIConnectionPointContainer = null;
if (pIOPCAsyncIO2 != null)
{
//Marshal.ReleaseComObject(pIOPCAsyncIO2);
pIOPCAsyncIO2 = null;
}
if (pIOPCGroupStateMgt != null)
{
//Marshal.ReleaseComObject(pIOPCGroupStateMgt);
pIOPCGroupStateMgt = null;
}
if (pobjGroup1 != null)
{
//Marshal.ReleaseComObject(pobjGroup1);
pobjGroup1 = null;
}
}
catch
{ }
}
/// <summary>
/// 激活订阅回调事件
/// </summary>
private void ActiveDataChanged(IOPCGroupStateMgt IOPCGroupStateMgt)
{
IntPtr pRequestedUpdateRate = IntPtr.Zero;
IntPtr hClientGroup = IntPtr.Zero;
IntPtr pTimeBias = IntPtr.Zero;
IntPtr pDeadband = IntPtr.Zero;
IntPtr pLCID = IntPtr.Zero;
int nActive = 0;
GCHandle hActive = GCHandle.Alloc(nActive, GCHandleType.Pinned);
try
{
hActive.Target = 1;
int nRevUpdateRate = 0;
IOPCGroupStateMgt.SetState(pRequestedUpdateRate, out nRevUpdateRate,
hActive.AddrOfPinnedObject(), pTimeBias, pDeadband, pLCID, hClientGroup);
}
catch (COMException ex)
{
throw ex;
}
finally
{
hActive.Free();
}
}
public bool AddGroup(object Form_Main) //返回值false为失败，true为成功
{
Int32 dwRequestedUpdateRate = 2000;
Int32 hClientGroup = 1;
Int32 pRevUpdaterate;
float deadband = 0;
int TimeBias = 0;
GCHandle hTimeBias, hDeadband;
hTimeBias = GCHandle.Alloc(TimeBias, GCHandleType.Pinned);
hDeadband = GCHandle.Alloc(deadband, GCHandleType.Pinned);
Guid iidRequiredInterface = typeof(IOPCItemMgt).GUID;
if (!isConnected)
{
if (!Connect())
{
return(false); //如果还没有没有建立连接，先建立连接
}
}
try
{ //ServerObj.AddGroup的返回值类型为void
ServerObj.AddGroup("OPCGroup", 0,
dwRequestedUpdateRate, hClientGroup,
hTimeBias.AddrOfPinnedObject(), hDeadband.AddrOfPinnedObject(),
LOCALE_ID, out pSvrGroupHandle,
out pRevUpdaterate, ref iidRequiredInterface, out GroupObj);
IOPCAsyncIO2Obj = (IOPCAsyncIO2)GroupObj;//为组异步读写定义句柄
//Query interface for Async calls on group object
IOPCGroupStateMgtObj = (IOPCGroupStateMgt)GroupObj;
pIConnectionPointContainer = (IConnectionPointContainer)GroupObj;
//定义特定组的异步调用连接
Guid iid = typeof(IOPCDataCallback).GUID;
// Establish Callback for all async operations
pIConnectionPointContainer.FindConnectionPoint(ref iid, out pIConnectionPoint);
// Creates a connection between the OPC servers's connection point and this client's sink (the callback object)
pIConnectionPoint.Advise(Form_Main, out dwCookie);
isAddGroup = true;
}
catch (System.Exception error)
{
isAddGroup = false;
MessageBox.Show(string.Format("创建组对象时出错:-{0}", error.Message), "建组出错",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
if (hDeadband.IsAllocated)
{
hDeadband.Free();
}
if (hTimeBias.IsAllocated)
{
hTimeBias.Free();
}
}
return(isAddGroup);
}
/// <summary> releases the IOPCGroupStateMgt-object </summary>
private void freeGroup()
{
// *****************************************************
// Release all interfaces
// *****************************************************
// MUST NOT be freed because we got it with
//myOPCAsyncIO2 = (IOPCAsyncIO2) myOPCGroup;
// MUST NOT be freed because we got it with
//myOPCSyncIO = (IOPCSyncIO) myOPCGroup;
// MUST NOT be freed because we got it with
//myOPCItem = (IOPCItemMgt) myOPCGroup;
// MUST NOT be freed because we got it with
//myOPCConnectionPointContainer = (IConnectionPointContainer) myOPCGroup;
// We must free it here, because we got it with
//myOPCServer.AddGroup( TextBox_AddGroup.Text,
// Convert.ToInt32(false),
// RequestedUpdateRate,
// 1,
// pTimeBias,
// pDeadband,
// m_LocaleID,
// out m_Handle_myOPCGroup,
// out RevisedUpdateRate,
// ref iid,
// out objGroup );
//myOPCGroup = (IOPCGroupStateMgt) objGroup;
// It doesn't matter you can eather free objGroup OR myOPCGroup
// but, NEVER both.
Marshal.ReleaseComObject(m_OPCGroupStateMgt);
m_OPCGroupStateMgt = null;
}
/// <summary>
/// 断开PLC的连接
/// </summary>
/// <returns></returns>
public string DisConnection()
{
string errText = string.Empty;
try
{
if (IOPCSyncIO2Obj != null)
{
Marshal.ReleaseComObject(IOPCSyncIO2Obj);
IOPCSyncIO2Obj = null;
}
ServerObj.RemoveGroup(pSvrGroupHandle, 0);
if (IOPCGroupStateMgtObj != null)
{
Marshal.ReleaseComObject(IOPCGroupStateMgtObj);
IOPCGroupStateMgtObj = null;
}
if (MyobjGroup1 != null)
{
Marshal.ReleaseComObject(MyobjGroup1);
MyobjGroup1 = null;
}
if (ServerObj != null)
{
Marshal.ReleaseComObject(ServerObj);
ServerObj = null;
}
}
catch (System.Exception error)
{
errText = error.Message.ToString().Trim();
}
return(errText);
}
public void internalAdd(int[] biasTime, float[] percentDeadband, int localeID)
{
Type typGrpMgt = typeof(IOPCGroupStateMgt);
Guid guidGrpTst = typGrpMgt.GUID;
object objtemp;
try
{
ifServer.AddGroup(state.Name, state.Active, state.UpdateRate, state.HandleClient, null, null, 0,
out state.HandleServer, out state.UpdateRate, ref guidGrpTst, out objtemp);
if (objtemp == null)
{
Marshal.ThrowExceptionForHR(HRESULTS.E_NOINTERFACE);
}
ifMgt = (IOPCGroupStateMgt)objtemp;
ifItems = (IOPCItemMgt)ifMgt;
ifSync = (IOPCSyncIO)ifMgt;
}
catch (Exception e)
{
System.Diagnostics.Debug.Print(e.Message);
throw e;
}
}
internal void internalAdd(int[] biasTime, float[] percentDeadband, int localeID)
{
object obj2;
Type type = typeof(IOPCGroupStateMgt);
Guid gUID = type.GUID;
if (this.state.Public)
{
IOPCServerPublicGroups ifServer = null;
ifServer = (IOPCServerPublicGroups)this.ifServer;
if (ifServer == null)
{
Marshal.ThrowExceptionForHR(-2147467262);
}
ifServer.GetPublicGroupByName(this.state.Name, ref gUID, out obj2);
ifServer = null;
}
else
{
this.ifServer.AddGroup(this.state.Name, this.state.Active, this.state.UpdateRate, this.state.HandleClient, biasTime, percentDeadband, this.state.LocaleID, out this.state.HandleServer, out this.state.UpdateRate, ref gUID, out obj2);
}
if (obj2 == null)
{
Marshal.ThrowExceptionForHR(-2147467262);
}
this.ifMgt = (IOPCGroupStateMgt)obj2;
obj2 = null;
this.GetStates();
this.getinterfaces();
this.AdviseIOPCDataCallback();
}
public void Remove(bool p_Force)
{
if (m_CallbackPoint != null)
{
if (m_CallbackCookie != 0)
{
m_CallbackPoint.Unadvise(m_CallbackCookie);
m_CallbackCookie = 0;
}
Marshal.ReleaseComObject(m_CallbackPoint);
m_CallbackPoint = null;
}
m_PointContainer = null;
m_IfItems = null;
m_IfSync = null;
m_IfAsync = null;
if (m_IfMgt != null)
{
Marshal.ReleaseComObject(m_IfMgt);
m_IfMgt = null;
}
if (m_IfServer != null)
{
if (!m_State.Public)
{
m_IfServer.RemoveGroup(m_State.HandleServer, p_Force);
}
m_IfServer = null;
}
m_State.HandleServer = 0;
}
/*------------------------------------------------------
* 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>
/// 初始化IO接口
/// </summary>
/// <param name="opcGroup"></param>
public void InitIoInterfaces(OpcDaCustomGroup opcGroup)
{
int cookie;
//组状态管理对象，改变组的刷新率和激活状态
IOPCGroupStateMgt = (IOPCGroupStateMgt)opcGroup.Group;
IConnectionPointContainer = (IConnectionPointContainer)opcGroup.Group;
Guid iid = typeof(IOPCDataCallback).GUID;
IConnectionPointContainer.FindConnectionPoint(ref iid, out IConnectionPoint);
//创建客户端与服务端之间的连接
IConnectionPoint.Advise(this, out
cookie);
}
/// <summary>
/// 增加一个group
/// </summary>
/// <param name="Form_Main"></param>
/// <returns></returns>
public string PLCGroupAdd(object Form_Main)
{
string errText = string.Empty;
Int32 dwRequestedUpdateRate = 250;
Int32 pRevUpdateRate;
float deadband = 0;
int TimeBias = 0;
GCHandle hTimeBias, hDeadband;
hTimeBias = GCHandle.Alloc(TimeBias, GCHandleType.Pinned);
hDeadband = GCHandle.Alloc(deadband, GCHandleType.Pinned);
Guid iidRequiredInterface = typeof(IOPCItemMgt).GUID;
try
{
ServerObj.AddGroup("MyOPCGroup1",//组对象
0,
dwRequestedUpdateRate,
hClientGroup,
hTimeBias.AddrOfPinnedObject(),
hDeadband.AddrOfPinnedObject(),
LOCALE_ID,
out pSvrGroupHandle,
out pRevUpdateRate,
ref iidRequiredInterface,
out MyobjGroup1);
IOPCAsyncIO2Obj = (IOPCAsyncIO2)MyobjGroup1;
//Query interface for Async calls on group object
IOPCGroupStateMgtObj = (IOPCGroupStateMgt)MyobjGroup1;
pIConnectionPointContainer = (IConnectionPointContainer)MyobjGroup1;
//定义特定组的异步调用连接
Guid iid = typeof(IOPCDataCallback).GUID;
// Establish Callback for all async operations
pIConnectionPointContainer.FindConnectionPoint(ref iid, out
pIConnectionPoint);
// Creates a connection between the OPC servers's connection point and this client's sink (the callback object)
pIConnectionPoint.Advise(Form_Main, out dwCookie);
}
catch (Exception ex)
{
errText = ex.Message.ToString();
}
return(errText);
}
/// <summary>
/// Modifies the group.
/// </summary>
/// <returns>The error. S_OK on success.</returns>
public int ModifyGroup()
{
m_actualSamplingInterval = 0;
int localeId = m_server.LocaleId;
GCHandle hSamplingInterval = GCHandle.Alloc(m_samplingInterval, GCHandleType.Pinned);
GCHandle hDeadband = GCHandle.Alloc(m_deadband, GCHandleType.Pinned);
string methodName = "IOPCGroupStateMgt.SetState";
try
{
IOPCGroupStateMgt server = BeginComCall <IOPCGroupStateMgt>(methodName, true);
server.SetState(
hSamplingInterval.AddrOfPinnedObject(),
out m_actualSamplingInterval,
IntPtr.Zero,
IntPtr.Zero,
hDeadband.AddrOfPinnedObject(),
IntPtr.Zero,
IntPtr.Zero);
/*
* Utils.Trace(
* "Group {0} Modified({4}) {1}/{2}ms {3}%",
* m_clientHandle,
* m_samplingInterval,
* m_actualSamplingInterval,
* m_deadband,
* m_items.Count);
*/
return(ResultIds.S_OK);
}
catch (Exception e)
{
ComUtils.TraceComError(e, methodName);
return(Marshal.GetHRForException(e));
}
finally
{
EndComCall(methodName);
hSamplingInterval.Free();
hDeadband.Free();
}
}
/// <summary>
/// 断开PLC的连接
/// </summary>
/// <returns></returns>
public string DisConnection()
{
string errText = string.Empty;
try
{
if (dwCookie != 0)
{
pIConnectionPoint.Unadvise(dwCookie);
dwCookie = 0;
}
// Free unmanaged code
Marshal.ReleaseComObject(pIConnectionPoint);
pIConnectionPoint = null;
Marshal.ReleaseComObject(pIConnectionPointContainer);
pIConnectionPointContainer = null;
if (IOPCAsyncIO2Obj != null)
{
Marshal.ReleaseComObject(IOPCAsyncIO2Obj);
IOPCAsyncIO2Obj = null;
}
ServerObj.RemoveGroup(pSvrGroupHandle, 0);
if (IOPCGroupStateMgtObj != null)
{
Marshal.ReleaseComObject(IOPCGroupStateMgtObj);
IOPCGroupStateMgtObj = null;
}
if (MyobjGroup1 != null)
{
Marshal.ReleaseComObject(MyobjGroup1);
MyobjGroup1 = null;
}
if (ServerObj != null)
{
Marshal.ReleaseComObject(ServerObj);
ServerObj = null;
}
}
catch (System.Exception error)
{
errText = error.Message.ToString().Trim();
}
return(errText);
}
public void MoveToPublic()
{
if (this.state.Public)
{
Marshal.ThrowExceptionForHR(-2147467259);
}
IOPCPublicGroupStateMgt ifMgt = null;
ifMgt = (IOPCPublicGroupStateMgt)this.ifMgt;
if (ifMgt == null)
{
Marshal.ThrowExceptionForHR(-2147467262);
}
ifMgt.MoveToPublic();
ifMgt.GetState(out this.state.Public);
ifMgt = null;
}
public bool AddGroup(object Form_Main)
{
int dwRequestedUpdateRate = 0x3e8;
int hClientGroup = 1;
float num4 = 0f;
int num5 = 0;
GCHandle handle = GCHandle.Alloc(num5, GCHandleType.Pinned);
GCHandle handle2 = GCHandle.Alloc(num4, GCHandleType.Pinned);
Guid gUID = typeof(IOPCItemMgt).GUID;
if (!this.isConnected && !this.Connect())
{
return(false);
}
try
{
int num3;
this.ServerObj.AddGroup("OPCGroup", 0, dwRequestedUpdateRate, hClientGroup, handle.AddrOfPinnedObject(), handle2.AddrOfPinnedObject(), 0x804, out this.pSvrGroupHandle, out num3, ref gUID, out this.GroupObj);
this.IOPCAsyncIO2Obj = (IOPCAsyncIO2)this.GroupObj;
this.IOPCGroupStateMgtObj = (IOPCGroupStateMgt)this.GroupObj;
this.pIConnectionPointContainer = (IConnectionPointContainer)this.GroupObj;
Guid riid = typeof(IOPCDataCallback).GUID;
this.pIConnectionPointContainer.FindConnectionPoint(ref riid, out this.pIConnectionPoint);
this.pIConnectionPoint.Advise(Form_Main, out this.dwCookie);
this.isAddGroup = true;
}
catch (Exception exception)
{
this.isAddGroup = false;
MessageBox.Show($"创建组对象时出错:-{exception.Message}", "建组出错", MessageBoxButtons.OK, MessageBoxIcon.Hand);
}
finally
{
if (handle2.IsAllocated)
{
handle2.Free();
}
if (handle.IsAllocated)
{
handle.Free();
}
}
return(this.isAddGroup);
}
/// <summary>
/// 释放对象
/// </summary>
public void Dispose()
{
try
{
if (dwCookie != 0)
{
ConnectionPoint.Unadvise(dwCookie);
dwCookie = 0;
}
}
catch (Exception)
{
dwCookie = 0;
}
Marshal.ReleaseComObject(ConnectionPoint);
ConnectionPoint = null;
Marshal.ReleaseComObject(connectionPointContainer);
connectionPointContainer = null;
if (oPCSyncIO != null)
{
Marshal.ReleaseComObject(oPCSyncIO);//减与指定的 COM 对象关联的运行时可调用包装器 (RCW) 的引用计数。
oPCSyncIO = null;
}
if (oPCAsyncIO != null)
{
Marshal.ReleaseComObject(oPCAsyncIO);//减与指定的 COM 对象关联的运行时可调用包装器 (RCW) 的引用计数。
oPCAsyncIO = null;
}
if (oPCGroupStateMgt != null)
{
Marshal.ReleaseComObject(oPCGroupStateMgt);
oPCGroupStateMgt = null;
}
if (oPCItemMgt != null)
{
Marshal.ReleaseComObject(oPCItemMgt);
oPCItemMgt = null;
}
if (ObjGroup != null)
{
Marshal.ReleaseComObject(ObjGroup);
ObjGroup = null;
}
}
public string DisConnection()
{
string str = string.Empty;
try
{
if (this.dwCookie != 0)
{
this.pIConnectionPoint.Unadvise(this.dwCookie);
this.dwCookie = 0;
}
Marshal.ReleaseComObject(this.pIConnectionPoint);
this.pIConnectionPoint = null;
Marshal.ReleaseComObject(this.pIConnectionPointContainer);
this.pIConnectionPointContainer = null;
if (this.IOPCAsyncIO2Obj != null)
{
Marshal.ReleaseComObject(this.IOPCAsyncIO2Obj);
this.IOPCAsyncIO2Obj = null;
}
this.ServerObj.RemoveGroup(this.pSvrGroupHandle, 0);
if (this.IOPCGroupStateMgtObj != null)
{
Marshal.ReleaseComObject(this.IOPCGroupStateMgtObj);
this.IOPCGroupStateMgtObj = null;
}
if (this.GroupObj != null)
{
Marshal.ReleaseComObject(this.GroupObj);
this.GroupObj = null;
}
if (this.ServerObj != null)
{
Marshal.ReleaseComObject(this.ServerObj);
this.ServerObj = null;
}
}
catch (Exception exception)
{
str = exception.Message.ToString().Trim();
}
return(str);
}
/// <summary>
/// 增加group
/// </summary>
/// <param name="Form_Main"></param>
/// <returns></returns>
public string PLCGroupAdd()
{
string errText = string.Empty;
Int32 dwRequestedUpdateRate = 1000;
//Int32 hClientGroup;
Int32 pRevUpdateRate;
float deadband = 0;
int TimeBias = 0;
GCHandle hTimeBias, hDeadband;
hTimeBias = GCHandle.Alloc(TimeBias, GCHandleType.Pinned);
hDeadband = GCHandle.Alloc(deadband, GCHandleType.Pinned);
Guid iidRequiredInterface = typeof(IOPCItemMgt).GUID;
try
{
ServerObj.AddGroup("ShearerInfoGroup", //组对象
1,
dwRequestedUpdateRate,
1,
hTimeBias.AddrOfPinnedObject(),
hDeadband.AddrOfPinnedObject(),
0,
out pSvrGroupHandle,
out pRevUpdateRate,
ref iidRequiredInterface,
out MyobjGroup1);
IOPCSyncIO2Obj = (IOPCSyncIO)MyobjGroup1;
//Query interface for Async calls on group object
IOPCGroupStateMgtObj = (IOPCGroupStateMgt)MyobjGroup1;
}
catch (Exception ex)
{
errText = ex.Message.ToString();
}
return(errText);
}
public void Remove(bool bForce)
{
try
{
int num;
if (this.callbackcpoint != null)
{
if (this.callbackcookie != 0)
{
this.callbackcpoint.Unadvise(this.callbackcookie);
this.callbackcookie = 0;
}
num = Marshal.ReleaseComObject(this.callbackcpoint);
this.callbackcpoint = null;
}
this.cpointcontainer = null;
this.ifItems = null;
this.ifSync = null;
this.ifAsync = null;
if (this.ifMgt != null)
{
num = Marshal.ReleaseComObject(this.ifMgt);
this.ifMgt = null;
}
if (this.ifServer != null)
{
if (!this.state.Public)
{
this.ifServer.RemoveGroup(this.state.HandleServer, bForce);
}
this.ifServer = null;
}
this.state.HandleServer = 0;
}
catch (Exception exception)
{
LogHelper.Error("OPCTrendLib.OPCData.OpcGroup", "Remove", exception);
Console.WriteLine(exception.ToString());
}
}
public void Remove(bool bForce)
{
ifItems = null;
ifSync = 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;
}
private void InitReqIOInterfaces()
{
try
{
//Query interface for async calls on group object
pIOPCAsyncIO2 = (IOPCAsyncIO2)pobjGroup1;
pIOPCSyncIO = (IOPCSyncIO)pobjGroup1;
pIOPCGroupStateMgt = (IOPCGroupStateMgt)pobjGroup1;
// Query interface for callbacks on group object
pIConnectionPointContainer = (IConnectionPointContainer)pobjGroup1;
// Establish Callback for all async operations
Guid iid = typeof(IOPCDataCallback).GUID;
pIConnectionPointContainer.FindConnectionPoint(ref iid, out pIConnectionPoint);
// Creates a connection between the OPC servers's connection point and
// this client's sink (the callback object).
pIConnectionPoint.Advise(this, out dwCookie);
}
catch (System.Exception error) // catch for group adding
{
}
}
// 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);
}
}
//======================================================================
// State Management
/// <summary>
/// Returns the current state of the subscription.
/// </summary>
/// <returns>The current state of the subscription.</returns>
public TsCDaSubscriptionState GetState()
{
lock (this)
{
TsCDaSubscriptionState state = new TsCDaSubscriptionState();
state.ClientHandle = _handle;
string methodName = "IOPCGroupStateMgt.GetState";
try
{
string name = null;
int active = 0;
int updateRate = 0;
float deadband = 0;
int timebias = 0;
int localeID = 0;
int clientHandle = 0;
int serverHandle = 0;
IOPCGroupStateMgt subscription = BeginComCall <IOPCGroupStateMgt>(methodName, true);
subscription.GetState(
out updateRate,
out active,
out name,
out timebias,
out deadband,
out localeID,
out clientHandle,
out serverHandle);
state.Name = name;
state.ServerHandle = serverHandle;
if (active == 1)
{
state.Active = true;
}
else
{
state.Active = false;
}
state.UpdateRate = updateRate;
state.TimeBias = timebias;
state.Deadband = deadband;
state.Locale = Utilities.Interop.GetLocale(localeID);
// cache the name separately.
name_ = state.Name;
state.KeepAlive = 0;
}
catch (Exception e)
{
ComCallError(methodName, e);
throw Utilities.Interop.CreateException(methodName, e);
}
finally
{
EndComCall(methodName);
}
return(state);
}
}
internal void internalAdd( int[] biasTime, float[] percentDeadband, int localeID )
{
Type typGrpMgt = typeof( IOPCGroupStateMgt );
Guid guidGrpTst = typGrpMgt.GUID;
object objtemp;
if( state.Public )
{
IOPCServerPublicGroups ifPubGrps = null;
ifPubGrps = (IOPCServerPublicGroups) ifServer;
if( ifPubGrps == null )
Marshal.ThrowExceptionForHR( HRESULTS.E_NOINTERFACE );
ifPubGrps.GetPublicGroupByName( state.Name, ref guidGrpTst, out objtemp );
ifPubGrps = null;
}
else
{
ifServer.AddGroup( state.Name, state.Active, state.UpdateRate, state.HandleClient, biasTime, percentDeadband, state.LocaleID,
out state.HandleServer, out state.UpdateRate, ref guidGrpTst, out objtemp );
}
if( objtemp == null )
Marshal.ThrowExceptionForHR( HRESULTS.E_NOINTERFACE );
ifMgt = (IOPCGroupStateMgt) objtemp;
objtemp = null;
GetStates();
getinterfaces();
AdviseIOPCDataCallback();
}
/// <summary>adds a IOPCGroupStateMgt-object to the OPC-server</summary>
/// <param name="commonInterface">the common interface</param>
/// <returns> the revisedUpdateRate for further use </returns>
/// <exception cref="Exception">throws and forwards any exception (with short error description)</exception>
public int addOPCGroup(IOPCCommon commonInterface)
{
// initialize arguments.
Guid iid = Guid.Empty;
object objGroup = null;
IntPtr pTimeBias = IntPtr.Zero;
IntPtr pDeadband = IntPtr.Zero;
if (m_disposed)
{
throw new NullReferenceException("This object has been disposed!");
}
m_revUpdateRate = 0;
try
{
// get the default locale for the server.
commonInterface.GetLocaleID(out m_LocaleID);
iid = typeof(IOPCGroupStateMgt).GUID;
if (iid == Guid.Empty)
{
throw new Exception("Could not get the interface 'IOPCGroupStateMgt'!");
}
// Add a group object "m_OPCGroup" and query for interface IOPCItemMgt
// Parameter as following:
// [in] active, so do OnDataChange callback
// [in] Request this Update Rate from Server
// [in] Client Handle, not necessary in this sample
// [in] No time interval to system UTC time
// [in] No Deadband, so all data changes are reported
// [in] Server uses english language to for text values
// [out] Server handle to identify this group in later calls
// [out] The answer from Server to the requested Update Rate
// [in] requested interface type of the group object
// [out] pointer to the requested interface
m_OPCServer.AddGroup(m_grpName,
Convert.ToInt32(m_isActive),
m_reqUpdateRate,
m_grpClntHndl,
pTimeBias,
pDeadband,
m_LocaleID,
out m_grpSrvHndl,
out m_revUpdateRate,
ref iid,
out objGroup);
if (objGroup == null)
{
string strMsg = "Couldn't add the group '"
+ m_grpName + "' to the server!";
throw new Exception(strMsg);
}
// Get our reference from the created group
m_OPCGroupStateMgt = (IOPCGroupStateMgt)objGroup;
if (m_OPCGroupStateMgt == null)
{
throw new Exception("Could not get the interface 'IOPCGroupStateMgt'!");
}
}
catch (Exception)
{
throw;
}
return(m_revUpdateRate);
}
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;
}
public void Remove(bool bForce)
{
ifItems = null;
ifSync = 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;
}
public void internalAdd(int[] biasTime, float[] percentDeadband, int localeID)
{
Type typGrpMgt = typeof(IOPCGroupStateMgt);
Guid guidGrpTst = typGrpMgt.GUID;
object objtemp;
try
{
ifServer.AddGroup(state.Name, state.Active, state.UpdateRate, state.HandleClient, null, null, 0,
out state.HandleServer, out state.UpdateRate, ref guidGrpTst, out objtemp);
if (objtemp == null)
Marshal.ThrowExceptionForHR(HRESULTS.E_NOINTERFACE);
ifMgt = (IOPCGroupStateMgt)objtemp;
ifItems = (IOPCItemMgt)ifMgt;
ifSync = (IOPCSyncIO)ifMgt;
}
catch (Exception e)
{
System.Diagnostics.Debug.Print(e.Message);
throw e;
}
}
// 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);
}
}
/*------------------------------------------------------
* 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);
}
}
/// <summary>
/// Returns the current state of the subscription.
/// </summary>
/// <returns>The current state of the subscription.</returns>
public override TsCDaSubscriptionState GetState()
{
if (subscription_ == null)
{
throw new NotConnectedException();
}
lock (lock_)
{
string methodName = "IOPCGroupStateMgt.GetState";
TsCDaSubscriptionState state = new TsCDaSubscriptionState {
ClientHandle = _handle
};
string name = null;
try
{
int active = 0;
int updateRate = 0;
float deadband = 0;
int timebias = 0;
int localeID = 0;
int clientHandle = 0;
int serverHandle = 0;
IOPCGroupStateMgt subscription = BeginComCall <IOPCGroupStateMgt>(methodName, true);
subscription.GetState(
out updateRate,
out active,
out name,
out timebias,
out deadband,
out localeID,
out clientHandle,
out serverHandle);
if (DCOMCallWatchdog.IsCancelled)
{
throw new Exception($"{methodName} call was cancelled due to response timeout");
}
state.Name = name;
state.ServerHandle = serverHandle;
state.Active = active != 0;
state.UpdateRate = updateRate;
state.TimeBias = timebias;
state.Deadband = deadband;
state.Locale = Technosoftware.DaAeHdaClient.Com.Interop.GetLocale(localeID);
// cache the name separately.
name_ = state.Name;
}
catch (Exception e)
{
ComCallError(methodName, e);
throw Technosoftware.DaAeHdaClient.Com.Interop.CreateException(methodName, e);
}
finally
{
EndComCall(methodName);
}
state.KeepAlive = 0;
return(state);
}
}
