public async Task GetComponentsItems(DeltaComponent component)
{
var componentItemsPtr = await Task.Run(() => _native.TmcDntOpenItem(_cid,
(uint)component.TraceChain.Length,
component.TraceChain))
.ConfigureAwait(false);
if (componentItemsPtr == IntPtr.Zero)
{
return;
}
component.ClearItems();
while (true)
{
var itemPtr = await Task.Run(() => _native.TmcDntGetNextItem(componentItemsPtr))
.ConfigureAwait(false);
if (itemPtr == IntPtr.Zero)
{
break;
}
var deltaCommonStruct = Marshal.PtrToStructure <TmNativeDefs.DeltaCommon>(itemPtr);
switch ((TmNativeDefs.DeltaItemTypes)deltaCommonStruct.Type)
{
case TmNativeDefs.DeltaItemTypes.Description:
var descriptionStruct = Marshal.PtrToStructure <TmNativeDefs.DeltaDescription>(itemPtr);
var descriptionStructSize = Marshal.SizeOf(descriptionStruct);
var descriptionString =
EncodingUtil.Win1251ToUtf8(Marshal.PtrToStringAnsi(IntPtr.Add(itemPtr, descriptionStructSize - 1)));
if (descriptionStruct.Text[0] == '*')
{
component.Items.Add(DeltaItem.CreateDescriptionDeltaItem(descriptionString));
}
else
{
component.Description += descriptionString + Environment.NewLine;
}
break;
case TmNativeDefs.DeltaItemTypes.Status:
var statusStruct = Marshal.PtrToStructure <TmNativeDefs.DeltaStatus>(itemPtr);
var statusStructSize = Marshal.SizeOf(statusStruct);
var numStatus = GetDeltaItemNum(itemPtr,
statusStructSize,
statusStruct.Length,
statusStruct.Number);
var addStringStatus = GetDeltaItemAdditionalText(itemPtr,
statusStructSize,
statusStruct.Length);
var tmAddrStatus = statusStruct.TmsRtu == 0 || statusStruct.TmsRtu == 0
? null
: new TmAddr(TmType.Status,
statusStruct.TmsChn,
statusStruct.TmsRtu,
statusStruct.TmsPoint);
var statusObjectName = await GetObjectName(tmAddrStatus).ConfigureAwait(false);
component.Items.Add(DeltaItem.CreateStatusDeltaItem(numStatus,
statusStruct.LastUpdate,
(TmNativeDefs.DeltaItemsFlags)statusStruct.DeltaFlags,
statusStruct.Value,
addStringStatus,
tmAddrStatus,
statusObjectName));
break;
case TmNativeDefs.DeltaItemTypes.Analog:
var analogStruct = Marshal.PtrToStructure <TmNativeDefs.DeltaAnalog>(itemPtr);
var analogStructSize = Marshal.SizeOf(analogStruct);
var numAnalog = GetDeltaItemNum(itemPtr,
analogStructSize,
analogStruct.Length,
analogStruct.Number);
var addStringAnalog = GetDeltaItemAdditionalText(itemPtr,
analogStructSize,
analogStruct.Length);
var tmAddrAnalog = analogStruct.TmsRtu == 0 || analogStruct.TmsRtu == 0
? null
: new TmAddr(TmType.Analog,
analogStruct.TmsChn,
analogStruct.TmsRtu,
analogStruct.TmsPoint);
var analogObjectName = await GetObjectName(tmAddrAnalog).ConfigureAwait(false);
component.Items.Add(DeltaItem.CreateAnalogDeltaItem(numAnalog,
analogStruct.LastUpdate,
(TmNativeDefs.DeltaItemsFlags)analogStruct.DeltaFlags,
analogStruct.Value,
addStringAnalog,
tmAddrAnalog,
analogObjectName));
break;
case TmNativeDefs.DeltaItemTypes.Accum:
var accumStruct = Marshal.PtrToStructure <TmNativeDefs.DeltaAccum>(itemPtr);
var accumStructSize = Marshal.SizeOf(accumStruct);
var numAccum = GetDeltaItemNum(itemPtr,
accumStructSize,
accumStruct.Length,
accumStruct.Number);
var addStringAccum = GetDeltaItemAdditionalText(itemPtr,
accumStructSize,
accumStruct.Length);
var tmAddrAccum = accumStruct.TmsRtu == 0 || accumStruct.TmsRtu == 0
? null
: new TmAddr(TmType.Accum,
accumStruct.TmsChn,
accumStruct.TmsRtu,
accumStruct.TmsPoint);
var accumObjectName = await GetObjectName(tmAddrAccum).ConfigureAwait(false);
component.Items.Add(DeltaItem.CreateAccumDeltaItem(numAccum,
accumStruct.LastUpdate,
(TmNativeDefs.DeltaItemsFlags)accumStruct.DeltaFlags,
accumStruct.Value,
addStringAccum,
tmAddrAccum,
accumObjectName));
break;
case TmNativeDefs.DeltaItemTypes.Control:
var controlStruct = Marshal.PtrToStructure <TmNativeDefs.DeltaControl>(itemPtr);
var controlStructSize = Marshal.SizeOf(controlStruct);
var numControl = GetDeltaItemNum(itemPtr,
controlStructSize,
controlStruct.Length,
controlStruct.Number);
var addStringControl = GetDeltaItemAdditionalText(itemPtr,
controlStructSize,
controlStruct.Length);
var tmAddrControl = controlStruct.TmsRtu == 0 || controlStruct.TmsRtu == 0
? null
: new TmAddr(TmType.Status,
controlStruct.TmsChn,
controlStruct.TmsRtu,
controlStruct.TmsPoint);
var controlObjectName = await GetObjectName(tmAddrControl).ConfigureAwait(false);
component.Items.Add(DeltaItem.CreateControlDeltaItem(numControl,
controlStruct.LastUpdate,
(TmNativeDefs.DeltaItemsFlags)controlStruct
.DeltaFlags,
controlStruct.CtrlBlock,
controlStruct.CtrlGroup,
controlStruct.CtrlPoint,
addStringControl,
tmAddrControl,
controlObjectName));
break;
case TmNativeDefs.DeltaItemTypes.AnalogF:
var analogFStruct = Marshal.PtrToStructure <TmNativeDefs.DeltaAnalogF>(itemPtr);
var analogFStructSize = Marshal.SizeOf(analogFStruct);
var numAnalogF = GetDeltaItemNum(itemPtr,
analogFStructSize,
analogFStruct.Length,
analogFStruct.Number);
var addStringAnalogF = GetDeltaItemAdditionalText(itemPtr,
analogFStructSize,
analogFStruct.Length);
var tmAddrAnalogF = analogFStruct.TmsRtu == 0 || analogFStruct.TmsRtu == 0
? null
: new TmAddr(TmType.Analog,
analogFStruct.TmsChn,
analogFStruct.TmsRtu,
analogFStruct.TmsPoint);
var analogFObjectName = await GetObjectName(tmAddrAnalogF).ConfigureAwait(false);
component.Items.Add(DeltaItem.CreateAnalogFloatDeltaItem(numAnalogF,
analogFStruct.LastUpdate,
(TmNativeDefs.DeltaItemsFlags)analogFStruct
.DeltaFlags,
analogFStruct.Value,
addStringAnalogF,
tmAddrAnalogF,
analogFObjectName));
break;
case TmNativeDefs.DeltaItemTypes.AccumF:
var accumFStruct = Marshal.PtrToStructure <TmNativeDefs.DeltaAccumF>(itemPtr);
var accumFStructSize = Marshal.SizeOf(accumFStruct);
var numAccumF = GetDeltaItemNum(itemPtr,
accumFStructSize,
accumFStruct.Length,
accumFStruct.Number);
var addStringAccumF = GetDeltaItemAdditionalText(itemPtr,
accumFStructSize,
accumFStruct.Length);
var tmAddrAccumF = accumFStruct.TmsRtu == 0 || accumFStruct.TmsRtu == 0
? null
: new TmAddr(TmType.Accum,
accumFStruct.TmsChn,
accumFStruct.TmsRtu,
accumFStruct.TmsPoint);
var accumFObjectName = await GetObjectName(tmAddrAccumF).ConfigureAwait(false);
component.Items.Add(DeltaItem.CreateAccumFloatDeltaItem(numAccumF,
accumFStruct.LastUpdate,
(TmNativeDefs.DeltaItemsFlags)accumFStruct
.DeltaFlags,
accumFStruct.Value,
addStringAccumF,
tmAddrAccumF,
accumFObjectName));
break;
case TmNativeDefs.DeltaItemTypes.StrVal:
var strValStruct = Marshal.PtrToStructure <TmNativeDefs.DeltaStrval>(itemPtr);
var strValStructSize = Marshal.SizeOf(strValStruct);
var strValValueString =
EncodingUtil.Win1251ToUtf8(Marshal.PtrToStringAnsi(IntPtr.Add(itemPtr, strValStructSize - 1)));
var structSizeWithValueString = strValStructSize + strValValueString.Length;
var strValDescriptionString = strValStruct.Length > structSizeWithValueString
? EncodingUtil.Win1251ToUtf8(Marshal.PtrToStringAnsi(IntPtr.Add(itemPtr,
structSizeWithValueString)))
: "";
var tmAddrStrVal = strValStruct.TmsRtu == 0 || strValStruct.TmsRtu == 0
? null
: new TmAddr(TmType.Unknown,
strValStruct.TmsChn,
strValStruct.TmsRtu,
strValStruct.TmsPoint);
component.Items.Add(DeltaItem.CreateStrValDeltaItem(strValStruct.Number,
strValStruct.LastUpdate,
(TmNativeDefs.DeltaItemsFlags)strValStruct.DeltaFlags,
strValValueString,
strValDescriptionString,
tmAddrStrVal));
break;
default:
continue;
}
}
await Task.Run(() => _native.TmcDntCloseItem(componentItemsPtr))
.ConfigureAwait(false);
}