protected void OnNotification(int handle, long timeStamp, byte[] data)
{
if (!base._disposed)
{
QueueElement item = new QueueElement(handle, timeStamp, data);
try
{
int count;
Queue <QueueElement> queue = this._queue;
lock (queue)
{
count = this._queue.Count;
}
if (this._bPeak)
{
if (count >= 0x2328)
{
if ((DateTime.Now.Ticks - this._bPeakStart) > 0x2faf080L)
{
if (!this._bPeakError)
{
this._bPeakError = true;
TcAdsDllWrapper.ThrowAdsException(AdsErrorCode.ClientQueueFull);
}
return;
}
}
else
{
this._bPeak = false;
this._bPeakError = false;
}
}
else if (count >= 0x2710)
{
this._bPeak = true;
this._bPeakStart = DateTime.Now.Ticks;
}
Queue <QueueElement> queue2 = this._queue;
lock (queue2)
{
this._queue.Enqueue(item);
this._enqueueEvent.Set();
}
}
catch (Exception exception)
{
base.OnNotificationError(exception);
}
}
}
private unsafe void loadSymbols(TimeSpan timeout)
{
switch (this._settings.SymbolsLoadMode)
{
case SymbolsLoadMode.Flat:
this._symbols = new SymbolCollection(InstanceCollectionMode.Path);
break;
case SymbolsLoadMode.VirtualTree:
case SymbolsLoadMode.DynamicTree:
this._symbols = new SymbolCollection(InstanceCollectionMode.PathHierarchy);
break;
default:
throw new NotSupportedException();
}
int num = this._connection.Timeout;
if (this.UploadInfo.SymbolsBlockSize > 0)
{
AdsStream input = new AdsStream(this.UploadInfo.SymbolsBlockSize);
using (BinaryReader reader = new BinaryReader(input))
{
this._connection.Timeout = (int)timeout.TotalMilliseconds;
try
{
int num2 = 0x10000;
if (this.UploadInfo.SymbolsBlockSize >= num2)
{
uint num3 = 0;
int num4 = 0;
int num5 = 0;
int num6 = 0;
int length = 0;
while (true)
{
int dataRead = 0;
while (true)
{
AdsErrorCode code;
ref byte pinned numRef;
length = ((num4 + num2) <= input.Length) ? num2 : (((int)input.Length) - num4);
try
{
byte[] buffer;
if (((buffer = input.GetBuffer()) == null) || (buffer.Length == 0))
{
numRef = null;
}
else
{
numRef = buffer;
}
code = this._connection.RawInterface.Read(0xf00b, 0x80000000 | num3, length, (void *)(numRef + num4), false, out dataRead);
}
finally
{
numRef = null;
}
if (code != AdsErrorCode.NoError)
{
if (code == AdsErrorCode.DeviceInvalidSize)
{
num2 *= 4;
}
else
{
TcAdsDllWrapper.ThrowAdsException(code);
}
}
if (code == AdsErrorCode.NoError)
{
num2 = 0x10000;
num5 = num4;
num6 = 0;
input.Position = num4;
num6 = reader.ReadInt32();
while (true)
{
if ((num6 > 0) && (num3 < this.UploadInfo.SymbolCount))
{
num5 += num6;
input.Position = num5;
num3++;
if ((num5 < (num4 + num2)) && (num5 < input.Length))
{
num6 = reader.ReadInt32();
continue;
}
}
num4 = num5;
if ((num3 < this.UploadInfo.SymbolCount) && (num4 < input.Length))
{
break;
}
break;
}
break;
}
}
}
}
else
{
this._connection.Read(0xf00b, 0, input);
}
SymbolParser.ParseSymbols(input, this.UploadInfo.StringEncoding, this._symbolFactorServices);
}
public void OnReadCycle(object sender, EventArgs e)
{
ITimer timer = this._timer;
lock (timer)
{
if (!this._bStopTimer)
{
try
{
List <CycleListEntry> list = new List <CycleListEntry>();
uint tickCount = NativeMethods.GetTickCount();
long timeStamp = DateTime.Now.ToFileTime();
int num3 = 0;
while (true)
{
if (num3 >= this._initialNotes.Count)
{
foreach (KeyValuePair <int, CycleTableEntry> pair in this._cycleTable)
{
int key = pair.Key;
CycleTableEntry entry = pair.Value;
entry.timerCount++;
uint num5 = (tickCount - entry.lastRead) / entry.timerCount;
if ((tickCount - entry.lastRead) >= key)
{
int num6 = 0;
while (true)
{
if (num6 >= entry.cycleList.Count)
{
entry.lastRead = tickCount;
entry.timerCount = 0;
break;
}
list.Add(entry.cycleList[num6]);
num6++;
}
}
}
if (list.Count != 0)
{
if (this._bSumupRead)
{
int rdLength = list.Count * 4;
int wrLength = list.Count * sizeof(VariableInfo);
byte[] wrData = new byte[wrLength];
int num10 = 0;
while (true)
{
ref byte pinned numRef;
if (num10 >= list.Count)
{
int num9;
byte[] rdData = new byte[rdLength];
if (base._syncPort.ReadWrite(0xf080, (uint)list.Count, 0, rdLength, rdData, 0, wrLength, wrData, false, out num9) != AdsErrorCode.NoError)
{
CycleListEntry entry3 = list[0];
byte[] data = new byte[entry3.variable.length];
AdsErrorCode adsErrorCode = base._syncPort.Read(entry3.variable.indexGroup, entry3.variable.indexOffset, 0, entry3.variable.length, data, false, out num9);
if (adsErrorCode != AdsErrorCode.NoError)
{
TcAdsDllWrapper.ThrowAdsException(adsErrorCode);
}
this._bSumupRead = false;
}
if (this._bSumupRead)
{
int num11 = list.Count * 4;
int num12 = 0;
while (num12 < list.Count)
{
CycleListEntry entry4 = list[num12];
bool flag2 = false;
int index = 0;
while (true)
{
if (index < 4)
{
if (rdData[index + (num12 * 4)] == 0)
{
index++;
continue;
}
flag2 = true;
}
if (flag2)
{
if ((base._syncWindow == null) || !base._bSynchronize)
{
QueueElement[] elements = new QueueElement[] { new QueueElement(entry4.handle, timeStamp, new byte[0]) };
base.OnSyncNotification(elements);
}
else
{
QueueElement[] elements = new QueueElement[] { new QueueElement(entry4.handle, timeStamp, new byte[0]) };
base._syncWindow.PostNotification(elements);
}
num11 += entry4.variable.length;
}
else
{
index = 0;
if ((num12 >= this._initialNotes.Count) && (entry4.transMode == 4))
{
index = 0;
while ((index < entry4.variable.length) && (rdData[num11 + index] == entry4.data[index]))
{
index++;
}
}
if (index != entry4.variable.length)
{
while (true)
{
if (index >= entry4.variable.length)
{
if ((base._syncWindow == null) || !base._bSynchronize)
{
QueueElement[] elements = new QueueElement[] { new QueueElement(entry4.handle, timeStamp, entry4.data) };
base.OnSyncNotification(elements);
}
else
{
QueueElement[] elements = new QueueElement[] { new QueueElement(entry4.handle, timeStamp, entry4.data) };
base._syncWindow.PostNotification(elements);
}
break;
}
entry4.data[index] = rdData[num11 + index];
index++;
}
}
num11 += entry4.variable.length;
}
num12++;
break;
}
}
}
break;
}
CycleListEntry entry2 = list[num10];
try
{
byte[] buffer3;
if (((buffer3 = wrData) == null) || (buffer3.Length == 0))
{
numRef = null;
}
else
{
numRef = buffer3;
}
numRef[num10 * sizeof(VariableInfo)] = (byte)entry2.variable;
}
finally
{
numRef = null;
}
rdLength += entry2.variable.length;
num10++;
}
}
if (!this._bSumupRead)
{
for (int i = 0; i < list.Count; i++)
{
int num15;
CycleListEntry entry5 = list[i];
byte[] data = new byte[entry5.variable.length];
AdsErrorCode adsErrorCode = base._syncPort.Read(entry5.variable.indexGroup, entry5.variable.indexOffset, 0, entry5.variable.length, data, false, out num15);
if (adsErrorCode != AdsErrorCode.NoError)
{
if (adsErrorCode != AdsErrorCode.DeviceInvalidOffset)
{
TcAdsDllWrapper.ThrowAdsException(adsErrorCode);
}
else if ((base._syncWindow == null) || !base._bSynchronize)
{
QueueElement[] elements = new QueueElement[] { new QueueElement(entry5.handle, timeStamp, new byte[0]) };
base.OnSyncNotification(elements);
}
else
{
QueueElement[] elements = new QueueElement[] { new QueueElement(entry5.handle, timeStamp, new byte[0]) };
base._syncWindow.PostNotification(elements);
}
}
int index = 0;
if ((i >= this._initialNotes.Count) && (entry5.transMode == 4))
{
index = 0;
while ((index < entry5.variable.length) && (data[index] == entry5.data[index]))
{
index++;
}
}
if (index != entry5.variable.length)
{
while (true)
{
if (index >= entry5.variable.length)
{
if ((base._syncWindow == null) || !base._bSynchronize)
{
QueueElement[] elements = new QueueElement[] { new QueueElement(entry5.handle, timeStamp, entry5.data) };
base.OnSyncNotification(elements);
}
else
{
QueueElement[] elements = new QueueElement[] { new QueueElement(entry5.handle, timeStamp, entry5.data) };
base._syncWindow.PostNotification(elements);
}
break;
}
entry5.data[index] = data[index];
index++;
}
}
}
}
}
break;
}
list.Add(this._initialNotes[num3]);
num3++;
}
}
private unsafe void readSymbols(AdsStream symbolStream, SymbolUploadInfo info, int initialBlockSize)
{
int num = initialBlockSize;
if (info.SymbolsBlockSize < num)
{
this._adsClient.Read(0xf00b, 0, symbolStream);
}
else
{
uint num2 = 0;
int num3 = 0;
int num4 = 0;
int num5 = 0;
int length = 0;
BinaryReader reader = new BinaryReader(symbolStream);
while (true)
{
int dataRead = 0;
while (true)
{
byte[] buffer;
length = ((num3 + num) <= symbolStream.Length) ? num : (((int)symbolStream.Length) - num3);
if (((buffer = symbolStream.GetBuffer()) == null) || (buffer.Length == 0))
{
numRef = null;
}
else
{
numRef = buffer;
}
AdsErrorCode adsErrorCode = this._adsClient.RawInterface.Read(0xf00b, 0x80000000 | num2, length, (void *)(numRef + num3), false, out dataRead);
fixed(byte *numRef = null)
{
if (adsErrorCode != AdsErrorCode.NoError)
{
if (adsErrorCode == AdsErrorCode.DeviceInvalidSize)
{
num *= 4;
}
else
{
TcAdsDllWrapper.ThrowAdsException(adsErrorCode);
}
}
if (adsErrorCode == AdsErrorCode.NoError)
{
num = initialBlockSize;
num4 = num3;
num5 = 0;
symbolStream.Position = num3;
num5 = reader.ReadInt32();
while (true)
{
if ((num5 > 0) && (num2 < info.SymbolCount))
{
num4 += num5;
symbolStream.Position = num4;
num2++;
if ((num4 < (num3 + num)) && (num4 < symbolStream.Length))
{
num5 = reader.ReadInt32();
continue;
}
}
num3 = num4;
if ((num2 < info.SymbolCount) && (num3 < symbolStream.Length))
{
break;
}
symbolStream.Position = 0L;
return;
}
break;
}
}
}
}
}
}
public object ReadSymbol(string symbolPath, Type managedType, bool bReloadInfo)
{
AdsErrorCode code2;
if (bReloadInfo)
{
this.Cleanup();
}
TcAdsSymbol adsSymbol = (TcAdsSymbol)this.GetSymbol(symbolPath, true);
if (adsSymbol == null)
{
TcAdsDllWrapper.ThrowAdsException(AdsErrorCode.DeviceSymbolNotFound);
}
TcAdsDataType type = (TcAdsDataType)this._datatypeTable.ResolveDataType(adsSymbol.TypeName);
if (type == null)
{
throw new NotSupportedException("Type of symbol not supported");
}
if (adsSymbol.IndexGroup != 0xf005L)
{
AdsErrorCode adsErrorCode = this.updateSymbolHandle(adsSymbol);
if (adsErrorCode == AdsErrorCode.ClientSyncTimeOut)
{
TcAdsDllWrapper.ThrowAdsException(adsErrorCode);
}
}
AdsStream stream = new AdsStream(adsSymbol.Size);
bool flag = true;
AdsBinaryReader reader = new AdsBinaryReader(stream);
int num2 = 0;
goto TR_001C;
TR_000F:
num2++;
TR_001C:
while (true)
{
int num3;
if (!((num2 < 2) & flag))
{
object obj2 = null;
int num = 0;
TcAdsDataType adsType = (TcAdsDataType)type.ResolveType(DataTypeResolveStrategy.AliasReference);
if (adsType.IsEnum)
{
num = this.InitializeEnum(adsType.Name, managedType, adsSymbol.DataTypeId, adsSymbol.Size, reader, 0, out obj2);
return(obj2);
}
if (adsType.IsArray)
{
num = this.InitializeArray(managedType, adsType, reader, 0, -1, out obj2);
return(obj2);
}
if (adsType.IsStruct)
{
num = this.InitializeStruct(adsType.SubItems, managedType, reader, 0, out obj2);
return(obj2);
}
if (adsType.IsPointer)
{
num = this.InitializePointerType(managedType, adsSymbol.DataTypeId, adsSymbol.Size, reader, 0, out obj2);
return(obj2);
}
if (adsType.IsPrimitive)
{
num = this.InitializePrimitiveType(adsType.Name, managedType, adsSymbol.DataTypeId, adsSymbol.Size, reader, 0, out obj2);
return(obj2);
}
if (!adsType.IsPointer)
{
throw new NotSupportedException("Type of symbol not supported");
}
num = this.InitializePointerType(managedType, adsSymbol.DataTypeId, adsSymbol.Size, reader, 0, out obj2);
return(obj2);
}
flag = false;
code2 = this._adsClient.RawInterface.Read((uint)adsSymbol.IndexGroup, (uint)adsSymbol.IndexOffset, 0, (int)stream.Length, stream.GetBuffer(), false, out num3);
if (code2 > AdsErrorCode.DeviceInvalidOffset)
{
if ((code2 != AdsErrorCode.DeviceSymbolNotFound) && (code2 != AdsErrorCode.DeviceSymbolVersionInvalid))
{
break;
}
}
else if (code2 == AdsErrorCode.NoError)
{
goto TR_000F;
}
else if (code2 != AdsErrorCode.DeviceInvalidOffset)
{
break;
}
if (adsSymbol.IndexGroup == 0xf005L)
{
uint num4;
this._adsClient.RawInterface.Write(0xf006, 0, (uint)adsSymbol.IndexOffset, false);
if (this._adsClient.RawInterface.ReadWrite(0xf003, 0, symbolPath, false, out num4) == AdsErrorCode.NoError)
{
adsSymbol.IndexGroup = 0xf005L;
adsSymbol.IndexOffset = num4;
flag = true;
}
}
goto TR_000F;
}
TcAdsDllWrapper.ThrowAdsException(code2);
goto TR_000F;
}
public void WriteSymbol(string name, object value, bool bReloadInfo)
{
AdsErrorCode code2;
if (bReloadInfo)
{
this.Cleanup();
}
TcAdsSymbol adsSymbol = (TcAdsSymbol)this.GetSymbol(name, true);
if (adsSymbol == null)
{
TcAdsDllWrapper.ThrowAdsException(AdsErrorCode.DeviceSymbolNotFound);
}
TcAdsDataType type = (TcAdsDataType)((TcAdsDataType)this._datatypeTable.ResolveDataType(adsSymbol.TypeName)).ResolveType(DataTypeResolveStrategy.AliasReference);
if (type == null)
{
throw new NotSupportedException("Type of symbol not supported");
}
if (adsSymbol.IndexGroup != 0xf005L)
{
AdsErrorCode adsErrorCode = this.updateSymbolHandle(adsSymbol);
if (adsErrorCode == AdsErrorCode.ClientSyncTimeOut)
{
TcAdsDllWrapper.ThrowAdsException(adsErrorCode);
}
}
AdsStream stream = new AdsStream(adsSymbol.Size);
AdsBinaryWriter writer = new AdsBinaryWriter(stream);
if (type.IsEnum)
{
this.WriteEnumValue(adsSymbol.Name, value, type, writer, 0);
}
else if (type.IsArray)
{
this.WriteArray(value, type, writer, 0);
}
else if (type.IsStruct)
{
this.WriteStruct(value, type.SubItems, writer, 0);
}
else if (type.IsPointer)
{
this.WritePointerValue(adsSymbol.Name, value, adsSymbol.DataTypeId, adsSymbol.Size, writer, 0);
}
else
{
if (!type.IsPrimitive)
{
throw new NotSupportedException("Type of symbol not supported");
}
this.WritePrimitiveValue(adsSymbol.Name, value, type.ManagedType, adsSymbol.DataTypeId, adsSymbol.Size, writer, 0);
}
bool flag = true;
int num = 0;
goto TR_000F;
TR_0002:
num++;
TR_000F:
while (true)
{
if (!((num < 2) & flag))
{
return;
}
flag = false;
code2 = this._adsClient.RawInterface.Write((uint)adsSymbol.IndexGroup, (uint)adsSymbol.IndexOffset, 0, (int)stream.Length, stream.GetBuffer(), false);
if (code2 > AdsErrorCode.DeviceInvalidOffset)
{
if ((code2 != AdsErrorCode.DeviceSymbolNotFound) && (code2 != AdsErrorCode.DeviceSymbolVersionInvalid))
{
break;
}
}
else if (code2 == AdsErrorCode.NoError)
{
goto TR_0002;
}
else if (code2 != AdsErrorCode.DeviceInvalidOffset)
{
break;
}
if (adsSymbol.IndexGroup == 0xf005L)
{
uint num2;
this._adsClient.RawInterface.Write(0xf006, 0, (uint)adsSymbol.IndexOffset, false);
if (this._adsClient.RawInterface.ReadWrite(0xf003, 0, name, false, out num2) == AdsErrorCode.NoError)
{
adsSymbol.IndexGroup = 0xf005L;
adsSymbol.IndexOffset = num2;
flag = true;
}
}
goto TR_0002;
}
TcAdsDllWrapper.ThrowAdsException(code2);
goto TR_0002;
}
