private void PopulateReferencePointers(
List <XDRPCStructArgumentInfo <T> .StructBufferData> bufferDataList,
ulong bufferAddress)
{
for (int index = 0; index < bufferDataList.Count; ++index)
{
XDRPCStructArgumentInfo <T> .StructBufferData bufferData = bufferDataList[index];
if (bufferData.Info == null)
{
if (bufferData.ReferenceIndex != -1)
{
uint v = (uint)((ulong)this._referenceBufferDataList[bufferData.ReferenceIndex].BufferOffset + bufferAddress);
bufferData.Info = (XDRPCArgumentInfo) new XDRPCArgumentInfo <uint>(v, ArgumentType.ByRef);
bufferDataList[index] = bufferData;
}
}
else if (bufferData.Info.GetRequiredReferenceSize() > 0)
{
XDRPCStructArgumentInfo <T> .StructBufferData referenceBufferData = this._referenceBufferDataList[bufferData.ReferenceIndex];
ulong bufferAddress1 = (ulong)referenceBufferData.BufferOffset + bufferAddress;
bufferData.Info.SetReferenceAddress(bufferAddress1);
referenceBufferData.Info = (XDRPCArgumentInfo) new XDRPCArrayArgumentInfo <byte[]>(bufferData.Info.PackReferenceData(), ArgumentType.ByRef);
this._referenceBufferDataList[bufferData.ReferenceIndex] = referenceBufferData;
}
}
}
private void FillPointerBufferData(
out XDRPCStructArgumentInfo <T> .StructBufferData data,
List <XDRPCStructArgumentInfo <T> .StructBufferData> bufferDataList,
int packAttribute)
{
data = new XDRPCStructArgumentInfo <T> .StructBufferData();
data.BufferSize = MarshalingUtils.SizeOf(typeof(uint));
int packAlignment = this.CalculatePackAlignment(packAttribute, data.BufferSize);
data.BufferOffset = this.GetCurrentOffset(bufferDataList, packAlignment);
data.ReferenceIndex = this._referenceBufferDataList.Count;
data.Info = (XDRPCArgumentInfo)null;
}
private void SetNextOffset(
List <XDRPCStructArgumentInfo <T> .StructBufferData> bufferDataList,
int nextOffset)
{
if (bufferDataList.Count <= 0)
{
return;
}
int index = bufferDataList.Count - 1;
XDRPCStructArgumentInfo <T> .StructBufferData bufferData = bufferDataList[index];
bufferData.NextOffset = nextOffset;
bufferDataList[index] = bufferData;
}
private object UnpackValuesRecursive(
Type structType,
object structToMarshal,
ref List <XDRPCStructArgumentInfo <T> .StructBufferData> .Enumerator bufferEnum)
{
foreach (FieldInfo field in structType.GetFields(BindingFlags.DeclaredOnly | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
{
Type fieldType = field.FieldType;
XDRPCStructArgumentInfo <T> .StructBufferData structBufferData = bufferEnum.Current;
if (fieldType == typeof(string) || fieldType.IsArray || fieldType.IsPrimitive)
{
if (structBufferData.ReferenceIndex != -1)
{
if (structBufferData.Info.GetRequiredReferenceSize() == 0)
{
structBufferData = this._referenceBufferDataList[structBufferData.ReferenceIndex];
}
if (structBufferData.Info.GetRequiredReferenceSize() > 0)
{
XDRPCArrayArgumentInfo <byte[]> info = (XDRPCArrayArgumentInfo <byte[]>) this._referenceBufferDataList[structBufferData.ReferenceIndex].Info;
structBufferData.Info.UnpackReferenceData(info.Value);
}
}
object obj = this.ValidateArgInfoNullValue(fieldType, structBufferData.Info);
field.SetValue(structToMarshal, obj);
bufferEnum.MoveNext();
}
else if (fieldType.IsValueType)
{
object obj;
if (structBufferData.ReferenceIndex != -1)
{
List <XDRPCStructArgumentInfo <T> .StructBufferData> .Enumerator enumerator = this._referenceBufferDataList.GetEnumerator();
do
{
enumerator.MoveNext();
}while (enumerator.Current.Info != this._referenceBufferDataList[structBufferData.ReferenceIndex].Info);
obj = this.UnpackValuesRecursive(fieldType, field.GetValue(structToMarshal), ref enumerator);
bufferEnum.MoveNext();
}
else
{
obj = this.UnpackValuesRecursive(fieldType, field.GetValue(structToMarshal), ref bufferEnum);
}
field.SetValue(structToMarshal, obj);
}
}
return(structToMarshal);
}
private int GetCurrentOffset(
List <XDRPCStructArgumentInfo <T> .StructBufferData> bufferDataList,
int packAlignment)
{
int num = 0;
if (bufferDataList.Count > 0)
{
XDRPCStructArgumentInfo <T> .StructBufferData bufferData = bufferDataList[bufferDataList.Count - 1];
int currOffset = bufferData.NextOffset;
if (currOffset == 0)
{
currOffset = bufferData.BufferOffset + bufferData.BufferSize;
}
num = this.AlignOffset(currOffset, packAlignment);
}
return(num);
}
public static T ExecuteRPC <T>(
this IXboxConsole console,
XDRPCExecutionOptions options,
out ulong postMethodCallReturn,
params XDRPCArgumentInfo[] args)
where T : struct
{
Type t = typeof(T);
postMethodCallReturn = 0UL;
if (!XDRPCMarshaler.IsValidReturnType(t))
{
if (!t.IsValueType)
{
throw new XDRPCInvalidReturnTypeException(t);
}
XDRPCStructArgumentInfo <T> structArgumentInfo = new XDRPCStructArgumentInfo <T>(default(T), ArgumentType.Out);
XDRPCArgumentInfo[] xdrpcArgumentInfoArray = new XDRPCArgumentInfo[args.Length + 1];
xdrpcArgumentInfoArray[0] = (XDRPCArgumentInfo)structArgumentInfo;
Array.Copy((Array)args, 0, (Array)xdrpcArgumentInfoArray, 1, args.Length);
int num = (int)XDRPCMarshaler.ExecuteRPC <uint>(console, options, xdrpcArgumentInfoArray);
return(structArgumentInfo.Value);
}
XDRPCExecutionState.XDRPCCallFlags flags = XDRPCExecutionState.XDRPCCallFlags.IntegerReturn;
if (t == typeof(float) || t == typeof(double))
{
flags = XDRPCExecutionState.XDRPCCallFlags.FloatingPointReturn;
}
XDRPCExecutionState xdrpcExecutionState = new XDRPCExecutionState(console, options, args, flags);
xdrpcExecutionState.NoDevkit = XDRPCMarshaler.NoDevkit;
xdrpcExecutionState.Invoke();
if (options.PostMethodCall != XDRPCPostMethodCall.None)
{
postMethodCallReturn = xdrpcExecutionState.PostMethodCallReturnValue;
}
object obj = XDRPCMarshaler.UnpackReturnType(t, xdrpcExecutionState.ReturnValue);
if (obj == null)
{
return(default(T));
}
return((T)obj);
}
private void CalculateNextOffset(
List <XDRPCStructArgumentInfo <T> .StructBufferData> bufferDataList,
int packAlignment)
{
if (bufferDataList.Count <= 0)
{
return;
}
int index = bufferDataList.Count - 1;
XDRPCStructArgumentInfo <T> .StructBufferData bufferData = bufferDataList[index];
int currOffset = bufferData.NextOffset;
if (currOffset == 0)
{
currOffset = bufferData.BufferOffset + bufferData.BufferSize;
}
bufferData.NextOffset = this.AlignOffset(currOffset, packAlignment);
bufferDataList[index] = bufferData;
}
private bool FillUnionBufferData(
ref XDRPCStructArgumentInfo <T> .StructBufferData data,
FieldInfo fieldInfo,
string unionWritingField)
{
bool flag = false;
if (!string.IsNullOrEmpty(unionWritingField))
{
data.BufferOffset = 0;
if (unionWritingField != fieldInfo.Name)
{
data.Ignore = true;
}
else
{
flag = true;
}
}
return(flag);
}
private int PopulateStructBufferRecursive(
Type structType,
object structToMarshal,
List <XDRPCStructArgumentInfo <T> .StructBufferData> bufferDataList,
int depth,
string unionWritingField)
{
if (depth > 3)
{
throw new XDRPCInvalidTypeException(structType, string.Format("Struct of type {0} has too many nested structs (more than {1} deep) which is not supported.", (object)typeof(T).Name, (object)3));
}
if (!((IEnumerable <Type>)XDRPCStructArgumentInfo <T> .builtInStructAllowlist).Contains <Type>(structType))
{
object[] customAttributes = structType.GetCustomAttributes(typeof(XDRPCStructAttribute), false);
if (customAttributes == null || customAttributes.Length == 0)
{
throw new XDRPCInvalidTypeException(structType, string.Format("Struct of type {0} doesn't have the XDRPCStruct attribute.", (object)structType.Name));
}
}
FieldInfo[] fields = structType.GetFields(BindingFlags.DeclaredOnly | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
int packAttribute = structType.StructLayoutAttribute.Value == LayoutKind.Sequential ? 8 : structType.StructLayoutAttribute.Pack;
int num1 = 0;
int num2 = 0;
bool flag1 = false;
foreach (FieldInfo fieldInfo in fields)
{
Type fieldType = fieldInfo.FieldType;
MarshalAsAttribute marshalAsAttribute = (MarshalAsAttribute)null;
XDRPCStructArgumentInfo <T> .StructBufferData data = new XDRPCStructArgumentInfo <T> .StructBufferData();
object[] customAttributes1 = fieldInfo.GetCustomAttributes(typeof(MarshalAsAttribute), false);
if (customAttributes1 != null && customAttributes1.Length != 0)
{
marshalAsAttribute = (MarshalAsAttribute)customAttributes1[0];
}
if (fieldType == typeof(string) || fieldType.IsArray)
{
if (marshalAsAttribute == null)
{
throw new XDRPCInvalidTypeException(fieldType, string.Format("Field {0} of type {1} in struct type {2} doesn't have the required MarshalAsAttribute.", (object)fieldInfo.Name, (object)fieldType.Name, (object)structType.Name));
}
if (marshalAsAttribute.Value != UnmanagedType.ByValArray && marshalAsAttribute.Value != UnmanagedType.LPArray)
{
throw new XDRPCInvalidTypeException(fieldType, string.Format("Field {0} of type {1} in struct type {2} with its MarshalAs attribute not using the required UnmanagedType.ByValArray or UnmanagedType.LPArray.", (object)fieldInfo.Name, (object)fieldType.Name, (object)structType.Name));
}
bool flag2 = marshalAsAttribute.Value == UnmanagedType.LPArray;
int size = marshalAsAttribute.SizeConst;
int num3;
int cMax;
if (fieldType.IsArray)
{
if (fieldType.GetArrayRank() > 1)
{
throw new XDRPCInvalidTypeException(fieldType, string.Format("Field {0} in struct type {1} is a multidimensional array which is not supported by XDRPCStructArgumentInfo.", (object)fieldInfo.Name, (object)structType.Name));
}
Type elementType = fieldType.GetElementType();
if (!XDRPCMarshaler.IsValidValueType(elementType))
{
throw new XDRPCInvalidTypeException(fieldType, string.Format("Field {0} in struct type {1} is an array of type {2} which is not supported by XDRPCStructArgumentInfo.", (object)fieldInfo.Name, (object)structType.Name, (object)elementType.Name));
}
int num4 = MarshalingUtils.SizeOf(elementType);
if (num4 == 0)
{
throw new XDRPCInvalidTypeException(fieldType, string.Format("Field {0} in struct type {1} is an array of type {2} which is not supported by XDRPCStructArgumentInfo.", (object)fieldInfo.Name, (object)structType.Name, (object)elementType.Name));
}
num3 = num4;
if (XDRPCMarshaler.IsValidStructType(elementType))
{
num3 = MarshalingUtils.AlignmentOf(elementType);
}
Array array = (Array)fieldInfo.GetValue(structToMarshal);
if (flag2)
{
if (array != null && size < array.Length)
{
size = array.Length;
}
}
else if (size == 0)
{
throw new XDRPCInvalidTypeException(fieldType, string.Format("Field {0} in struct type {1} is an array being passed by value that doesn't have the required SizeConst part of the attribute defined.", (object)fieldInfo.Name, (object)structType.Name));
}
cMax = num4 * size;
data.Info = XDRPCMarshaler.GenerateArgumentInfo(fieldType, (object)array, ArgumentType.ByRef, size);
}
else
{
if (!XDRPCStructArgumentInfo <T> .EncodingMap.ContainsKey(marshalAsAttribute.ArraySubType))
{
throw new XDRPCInvalidTypeException(fieldType, string.Format("Field {0} in struct type {1} is a string with a MarshalAs attribute without a string UnmanagedType for its ArraySubType.", (object)fieldInfo.Name, (object)structType.Name));
}
Encoding encoding = XDRPCStructArgumentInfo <T> .EncodingMap[marshalAsAttribute.ArraySubType];
int num4 = encoding == Encoding.Unicode ? 2 : 1;
num3 = num4;
cMax = size * num4;
string v = (string)fieldInfo.GetValue(structToMarshal);
if (flag2)
{
int num5 = 0;
if (v != null)
{
num5 = encoding.GetByteCount(v + "\0");
}
if (cMax < num5)
{
cMax = num5;
}
}
else if (cMax == 0)
{
throw new XDRPCInvalidTypeException(fieldType, string.Format("Field {0} in struct type {1} is a string being passed by value that doesn't have the required SizeConst part of the attribute defined.", (object)fieldInfo.Name, (object)structType.Name));
}
data.Info = (XDRPCArgumentInfo) new XDRPCStringArgumentInfo(v, encoding, ArgumentType.ByRef, cMax, CountType.Byte);
}
int requiredReferenceSize = data.Info.GetRequiredReferenceSize();
if (requiredReferenceSize > 0)
{
XDRPCStructArgumentInfo <T> .StructBufferData structBufferData = new XDRPCStructArgumentInfo <T> .StructBufferData();
structBufferData.BufferOffset = this.GetCurrentOffset(this._referenceBufferDataList, 8);
structBufferData.BufferSize = requiredReferenceSize;
structBufferData.ReferenceIndex = -1;
structBufferData.Info = (XDRPCArgumentInfo)null;
data.ReferenceIndex = this._referenceBufferDataList.Count;
this._referenceBufferDataList.Add(structBufferData);
}
else
{
data.ReferenceIndex = -1;
}
data.BufferSize = cMax;
if (flag2)
{
if (cMax > 0)
{
XDRPCStructArgumentInfo <T> .StructBufferData structBufferData = data;
structBufferData.BufferOffset = this.GetCurrentOffset(this._referenceBufferDataList, num3);
this.FillPointerBufferData(out data, bufferDataList, packAttribute);
this._referenceBufferDataList.Add(structBufferData);
}
else
{
this.FillPointerBufferData(out data, bufferDataList, packAttribute);
data.Info = (XDRPCArgumentInfo) new XDRPCArgumentInfo <uint>(0U, ArgumentType.ByRef);
data.ReferenceIndex = -1;
}
num3 = data.BufferSize;
}
else
{
int packAlignment = this.CalculatePackAlignment(packAttribute, num3);
data.BufferOffset = this.GetCurrentOffset(bufferDataList, packAlignment);
}
num1 = Math.Max(num1, num3);
num2 = Math.Max(num2, data.BufferSize);
if (this.FillUnionBufferData(ref data, fieldInfo, unionWritingField))
{
flag1 = true;
}
bufferDataList.Add(data);
}
else if (fieldType.IsPrimitive)
{
int num3 = MarshalingUtils.SizeOf(fieldType);
if (num3 == 0)
{
throw new XDRPCInvalidTypeException(fieldType, string.Format("Field {0} in struct type {1} is primitive type {2} which is not supported by XDRPCStructArgumentInfo.", (object)fieldInfo.Name, (object)structType.Name, (object)fieldType.Name));
}
data.Info = XDRPCMarshaler.GenerateArgumentInfo(fieldType, fieldInfo.GetValue(structToMarshal), ArgumentType.ByRef);
if (marshalAsAttribute != null && marshalAsAttribute.Value == UnmanagedType.LPStruct)
{
XDRPCStructArgumentInfo <T> .StructBufferData structBufferData = new XDRPCStructArgumentInfo <T> .StructBufferData();
structBufferData.Info = data.Info;
structBufferData.BufferOffset = this.GetCurrentOffset(this._referenceBufferDataList, num3);
structBufferData.BufferSize = num3;
structBufferData.ReferenceIndex = -1;
this.FillPointerBufferData(out data, bufferDataList, packAttribute);
this._referenceBufferDataList.Add(structBufferData);
}
else
{
int packAlignment = this.CalculatePackAlignment(packAttribute, num3);
data.BufferOffset = this.GetCurrentOffset(bufferDataList, packAlignment);
data.BufferSize = num3;
data.ReferenceIndex = -1;
}
num1 = Math.Max(num1, data.BufferSize);
num2 = Math.Max(num2, data.BufferSize);
if (this.FillUnionBufferData(ref data, fieldInfo, unionWritingField))
{
flag1 = true;
}
bufferDataList.Add(data);
}
else
{
if (!fieldType.IsValueType)
{
throw new XDRPCInvalidTypeException(fieldType, string.Format("Type {0} found in struct type {1} is not supported by XDRPCStructArgumentInfo.", (object)fieldType.Name, (object)structType.Name));
}
List <XDRPCStructArgumentInfo <T> .StructBufferData> bufferDataList1 = new List <XDRPCStructArgumentInfo <T> .StructBufferData>();
string empty = string.Empty;
object[] customAttributes2 = fieldInfo.GetCustomAttributes(typeof(XDRPCUnionAttribute), false);
if (customAttributes2 != null && customAttributes2.Length != 0)
{
empty = ((XDRPCUnionAttribute)customAttributes2[0]).Value;
}
int num3 = this.PopulateStructBufferRecursive(fieldType, fieldInfo.GetValue(structToMarshal), bufferDataList1, depth + 1, empty);
if (marshalAsAttribute != null && marshalAsAttribute.Value == UnmanagedType.LPStruct)
{
this.FillPointerBufferData(out data, bufferDataList, packAttribute);
if (this.FillUnionBufferData(ref data, fieldInfo, unionWritingField))
{
flag1 = true;
}
bufferDataList.Add(data);
int currentOffset = this.GetCurrentOffset(this._referenceBufferDataList, 8);
for (int index = 0; index < bufferDataList1.Count; ++index)
{
XDRPCStructArgumentInfo <T> .StructBufferData structBufferData = bufferDataList1[index];
structBufferData.BufferOffset += currentOffset;
if (structBufferData.NextOffset != 0)
{
structBufferData.NextOffset += currentOffset;
}
this._referenceBufferDataList.Add(structBufferData);
}
num1 = data.BufferSize;
}
else
{
data.BufferOffset = this.GetCurrentOffset(bufferDataList, this.CalculatePackAlignment(packAttribute, num3));
if (this.FillUnionBufferData(ref data, fieldInfo, unionWritingField))
{
flag1 = true;
}
for (int index = 0; index < bufferDataList1.Count; ++index)
{
XDRPCStructArgumentInfo <T> .StructBufferData structBufferData = bufferDataList1[index];
structBufferData.BufferOffset += data.BufferOffset;
if (structBufferData.NextOffset != 0)
{
data.BufferSize = structBufferData.NextOffset;
structBufferData.NextOffset += data.BufferOffset;
}
if (data.Ignore)
{
structBufferData.Ignore = true;
}
bufferDataList.Add(structBufferData);
}
}
num1 = Math.Max(num1, num3);
num2 = Math.Max(num2, data.BufferSize);
}
}
if (!string.IsNullOrEmpty(unionWritingField))
{
if (!flag1)
{
throw new XDRPCInvalidTypeException(structType, string.Format("Struct of type {0} has the XDRPCUnion attribute with the non-existant field {1} specified, please provide a correct field name.", (object)structType.Name, (object)unionWritingField));
}
this.SetNextOffset(bufferDataList, num2);
}
int packAlignment1 = this.CalculatePackAlignment(packAttribute, num1);
this.CalculateNextOffset(bufferDataList, packAlignment1);
return(packAlignment1);
}
