public static TypeTag GetTypeTag(Type type)
{
if (type == typeof(string))
{
return(TypeTag.String);
}
else if (BinaryCommon.IsPrimitive(type))
{
return(TypeTag.PrimitiveType);
}
else if (type == typeof(object))
{
return(TypeTag.ObjectType);
}
else if (type.IsArray && type.GetArrayRank() == 1 && type.GetElementType() == typeof(object))
{
return(TypeTag.ArrayOfObject);
}
else if (type.IsArray && type.GetArrayRank() == 1 && type.GetElementType() == typeof(string))
{
return(TypeTag.ArrayOfString);
}
else if (type.IsArray && type.GetArrayRank() == 1 && BinaryCommon.IsPrimitive(type.GetElementType()))
{
return(TypeTag.ArrayOfPrimitiveType);
}
else if (type.Assembly == CorlibAssembly)
{
return(TypeTag.RuntimeType);
}
else
{
return(TypeTag.GenericType);
}
}
private static void EmitWriteTypeSpec(ILGenerator gen, Type type, string member)
{
switch (ObjectWriter.GetTypeTag(type))
{
case TypeTag.PrimitiveType:
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldc_I4_S, BinaryCommon.GetTypeCode(type));
CodeGenerator.EmitWrite(gen, typeof(byte));
break;
case TypeTag.RuntimeType:
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldstr, type.FullName);
CodeGenerator.EmitWrite(gen, typeof(string));
break;
case TypeTag.GenericType:
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldstr, type.FullName);
CodeGenerator.EmitWrite(gen, typeof(string));
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldarg_1);
CodeGenerator.EmitLoadTypeAssembly(gen, type, member);
gen.EmitCall(OpCodes.Callvirt, typeof(ObjectWriter).GetMethod("GetAssemblyId"), null);
gen.Emit(OpCodes.Conv_I4);
CodeGenerator.EmitWrite(gen, typeof(int));
break;
case TypeTag.ArrayOfPrimitiveType:
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldc_I4_S, BinaryCommon.GetTypeCode(type.GetElementType()));
CodeGenerator.EmitWrite(gen, typeof(byte));
break;
}
}
private void WriteArray(BinaryWriter writer, long id, Array array)
{
// There are 4 ways of serializing arrays:
// The element GenericArray (7) can be used for all arrays.
// The element ArrayOfPrimitiveType (15) can be used for single-dimensional
// arrays of primitive types
// The element ArrayOfObject (16) can be used for single-dimensional Object arrays
// The element ArrayOfString (17) can be used for single-dimensional string arrays
Type elementType = array.GetType().GetElementType();
if (elementType == typeof(object) && array.Rank == 1)
{
WriteObjectArray(writer, id, array);
}
else if (elementType == typeof(string) && array.Rank == 1)
{
WriteStringArray(writer, id, array);
}
else if (BinaryCommon.IsPrimitive(elementType) && array.Rank == 1)
{
WritePrimitiveTypeArray(writer, id, array);
}
else
{
WriteGenericArray(writer, id, array);
}
}
private void BlockWrite(BinaryWriter writer, Array array, int dataSize)
{
int totalSize = Buffer.ByteLength(array);
if (arrayBuffer == null || (totalSize > arrayBuffer.Length && arrayBuffer.Length != ArrayBufferLength))
{
arrayBuffer = new byte [totalSize <= ArrayBufferLength ? totalSize : ArrayBufferLength];
}
int pos = 0;
while (totalSize > 0)
{
int size = totalSize < arrayBuffer.Length ? totalSize : arrayBuffer.Length;
Buffer.BlockCopy(array, pos, arrayBuffer, 0, size);
if (!BitConverter.IsLittleEndian && dataSize > 1)
{
BinaryCommon.SwapBytes(arrayBuffer, size, dataSize);
}
writer.Write(arrayBuffer, 0, size);
totalSize -= size;
pos += size;
}
}
private void BlockRead(BinaryReader reader, Array array, int dataSize)
{
int i = Buffer.ByteLength(array);
if (this.arrayBuffer == null || (i > this.arrayBuffer.Length && this.arrayBuffer.Length != this.ArrayBufferLength))
{
this.arrayBuffer = new byte[(i > this.ArrayBufferLength) ? this.ArrayBufferLength : i];
}
int num = 0;
while (i > 0)
{
int num2 = (i >= this.arrayBuffer.Length) ? this.arrayBuffer.Length : i;
int num3 = 0;
do
{
int num4 = reader.Read(this.arrayBuffer, num3, num2 - num3);
if (num4 == 0)
{
break;
}
num3 += num4;
}while (num3 < num2);
IL_A6:
if (!BitConverter.IsLittleEndian && dataSize > 1)
{
BinaryCommon.SwapBytes(this.arrayBuffer, num2, dataSize);
}
Buffer.BlockCopy(this.arrayBuffer, 0, array, num, num2);
i -= num2;
num += num2;
continue;
goto IL_A6;
}
}
public Type ReadType(BinaryReader reader, TypeTag code)
{
switch (code)
{
case TypeTag.PrimitiveType:
return(BinaryCommon.GetTypeFromCode(reader.ReadByte()));
case TypeTag.String:
return(typeof(string));
case TypeTag.ObjectType:
return(typeof(object));
case TypeTag.RuntimeType:
{
string name = reader.ReadString();
#if NET_2_0
// map MS.NET's System.RuntimeType to System.MonoType
if (_context.State == StreamingContextStates.Remoting)
{
if (name == "System.RuntimeType")
{
return(typeof(MonoType));
}
else if (name == "System.RuntimeType[]")
{
return(typeof(MonoType[]));
}
}
#endif
Type t = Type.GetType(name);
if (t != null)
{
return(t);
}
throw new SerializationException(String.Format("Could not find type '{0}'.", name));
}
case TypeTag.GenericType:
{
string name = reader.ReadString();
long asmid = (long)reader.ReadUInt32();
return(GetDeserializationType(asmid, name));
}
case TypeTag.ArrayOfObject:
return(typeof(object[]));
case TypeTag.ArrayOfString:
return(typeof(string[]));
case TypeTag.ArrayOfPrimitiveType:
Type elementType = BinaryCommon.GetTypeFromCode(reader.ReadByte());
return(Type.GetType(elementType.FullName + "[]"));
default:
throw new NotSupportedException("Unknow type tag");
}
}
private void BlockRead(BinaryReader reader, Array array, int dataSize)
{
int totalSize = Buffer.ByteLength(array);
if (arrayBuffer == null || (totalSize > arrayBuffer.Length && arrayBuffer.Length != ArrayBufferLength))
{
arrayBuffer = new byte [totalSize <= ArrayBufferLength ? totalSize : ArrayBufferLength];
}
int pos = 0;
while (totalSize > 0)
{
int size = totalSize < arrayBuffer.Length ? totalSize : arrayBuffer.Length;
int ap = 0;
do
{
int nr = reader.Read(arrayBuffer, ap, size - ap);
if (nr == 0)
{
break;
}
ap += nr;
} while (ap < size);
if (!BitConverter.IsLittleEndian && dataSize > 1)
{
BinaryCommon.SwapBytes(arrayBuffer, size, dataSize);
}
Buffer.BlockCopy(arrayBuffer, 0, array, pos, size);
totalSize -= size;
pos += size;
}
}
public Type ReadType(BinaryReader reader, TypeTag code)
{
switch (code)
{
case TypeTag.PrimitiveType:
return(BinaryCommon.GetTypeFromCode((int)reader.ReadByte()));
case TypeTag.String:
return(typeof(string));
case TypeTag.ObjectType:
return(typeof(object));
case TypeTag.RuntimeType:
{
string text = reader.ReadString();
if (this._context.State == StreamingContextStates.Remoting)
{
if (text == "System.RuntimeType")
{
return(typeof(MonoType));
}
if (text == "System.RuntimeType[]")
{
return(typeof(MonoType[]));
}
}
Type type = Type.GetType(text);
if (type != null)
{
return(type);
}
throw new SerializationException(string.Format("Could not find type '{0}'.", text));
}
case TypeTag.GenericType:
{
string className = reader.ReadString();
long assemblyId = (long)((ulong)reader.ReadUInt32());
return(this.GetDeserializationType(assemblyId, className));
}
case TypeTag.ArrayOfObject:
return(typeof(object[]));
case TypeTag.ArrayOfString:
return(typeof(string[]));
case TypeTag.ArrayOfPrimitiveType:
{
Type typeFromCode = BinaryCommon.GetTypeFromCode((int)reader.ReadByte());
return(Type.GetType(typeFromCode.FullName + "[]"));
}
default:
throw new NotSupportedException("Unknow type tag");
}
}
public void WriteValue(BinaryWriter writer, Type valueType, object val)
{
if (val == null)
{
BinaryCommon.CheckSerializable(valueType, _surrogateSelector, _context);
writer.Write((byte)BinaryElement.NullValue);
}
else if (BinaryCommon.IsPrimitive(val.GetType()))
{
if (!BinaryCommon.IsPrimitive(valueType))
{
// It is a boxed primitive type value
writer.Write((byte)BinaryElement.BoxedPrimitiveTypeValue);
WriteTypeSpec(writer, val.GetType());
}
WritePrimitiveValue(writer, val);
}
else if (valueType.IsValueType)
{
// Value types are written embedded in the containing object
WriteObjectInstance(writer, val, true);
}
else if (val is string)
{
// Strings are written embedded, unless already registered
bool firstTime;
long id = _idGenerator.GetId(val, out firstTime);
if (firstTime)
{
WriteObjectInstance(writer, val, false);
}
else
{
WriteObjectReference(writer, id);
}
}
else
{
// It is a reference type. Write a forward reference and queue the
// object to the pending object list (unless already written).
bool firstTime;
long id = _idGenerator.GetId(val, out firstTime);
if (firstTime)
{
_pendingObjects.Enqueue(val);
}
WriteObjectReference(writer, id);
}
}
public static void EmitWriteTypeSpec(ILGenerator gen, Type type, string member)
{
// WARNING Keep in sync with WriteTypeSpec
switch (ObjectWriter.GetTypeTag(type))
{
case TypeTag.PrimitiveType:
// EMIT writer.Write (BinaryCommon.GetTypeCode (type));
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldc_I4_S, (byte)BinaryCommon.GetTypeCode(type));
EmitWrite(gen, typeof(byte));
break;
case TypeTag.RuntimeType:
// EMIT writer.Write (type.FullName);
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldstr, type.FullName);
EmitWrite(gen, typeof(string));
break;
case TypeTag.GenericType:
// EMIT writer.Write (type.FullName);
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldstr, type.FullName);
EmitWrite(gen, typeof(string));
// EMIT writer.Write ((int)ow.GetAssemblyId (type.Assembly));
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldarg_1);
EmitLoadTypeAssembly(gen, type, member);
gen.EmitCall(OpCodes.Callvirt, typeof(ObjectWriter).GetMethod("GetAssemblyId"), null);
gen.Emit(OpCodes.Conv_I4);
EmitWrite(gen, typeof(int));
break;
case TypeTag.ArrayOfPrimitiveType:
// EMIT writer.Write (BinaryCommon.GetTypeCode (type.GetElementType()));
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldc_I4_S, (byte)BinaryCommon.GetTypeCode(type.GetElementType()));
EmitWrite(gen, typeof(byte));
break;
default:
// Type spec not needed
break;
}
}
public void WriteTypeSpec(BinaryWriter writer, Type type)
{
// WARNING Keep in sync with EmitWriteTypeSpec
switch (GetTypeTag(type))
{
case TypeTag.PrimitiveType:
writer.Write(BinaryCommon.GetTypeCode(type));
break;
case TypeTag.RuntimeType:
string fullName = type.FullName;
#if NET_2_0
// Map System.MonoType to MS.NET's System.RuntimeType,
// when called in remoting context.
// Note that this code does not need to be in sync with
// EmitWriteTypeSpec because serializing a MethodCall
// won't trigger the CodeGenerator.
if (_context.State == StreamingContextStates.Remoting)
{
if (type == typeof(System.MonoType))
{
fullName = "System.RuntimeType";
}
else if (type == typeof(System.MonoType[]))
{
fullName = "System.RuntimeType[]";
}
}
#endif
writer.Write(fullName);
break;
case TypeTag.GenericType:
writer.Write(type.FullName);
writer.Write((int)GetAssemblyId(type.Assembly));
break;
case TypeTag.ArrayOfPrimitiveType:
writer.Write(BinaryCommon.GetTypeCode(type.GetElementType()));
break;
default:
// Type spec not needed
break;
}
}
private void ReadValue(BinaryReader reader, object parentObject, long parentObjectId, SerializationInfo info, Type valueType, string fieldName, MemberInfo memberInfo, int[] indices)
{
object obj;
if (BinaryCommon.IsPrimitive(valueType))
{
obj = ObjectReader.ReadPrimitiveTypeValue(reader, valueType);
this.SetObjectValue(parentObject, fieldName, memberInfo, info, obj, valueType, indices);
return;
}
BinaryElement binaryElement = (BinaryElement)reader.ReadByte();
if (binaryElement == BinaryElement.ObjectReference)
{
long childObjectId = (long)((ulong)reader.ReadUInt32());
this.RecordFixup(parentObjectId, childObjectId, parentObject, info, fieldName, memberInfo, indices);
return;
}
long num;
SerializationInfo info2;
this.ReadObject(binaryElement, reader, out num, out obj, out info2);
bool flag = false;
if (num != 0L)
{
if (obj.GetType().IsValueType)
{
this.RecordFixup(parentObjectId, num, parentObject, info, fieldName, memberInfo, indices);
flag = true;
}
if (info == null && !(parentObject is Array))
{
this.RegisterObject(num, obj, info2, parentObjectId, memberInfo, null);
}
else
{
this.RegisterObject(num, obj, info2, parentObjectId, null, indices);
}
}
if (!flag)
{
this.SetObjectValue(parentObject, fieldName, memberInfo, info, obj, valueType, indices);
}
}
public void WriteValue(BinaryWriter writer, Type valueType, object val)
{
if (val == null)
{
BinaryCommon.CheckSerializable(valueType, this._surrogateSelector, this._context);
writer.Write(10);
}
else if (BinaryCommon.IsPrimitive(val.GetType()))
{
if (!BinaryCommon.IsPrimitive(valueType))
{
writer.Write(8);
this.WriteTypeSpec(writer, val.GetType());
}
ObjectWriter.WritePrimitiveValue(writer, val);
}
else if (valueType.IsValueType)
{
this.WriteObjectInstance(writer, val, true);
}
else if (val is string)
{
bool flag;
long id = this._idGenerator.GetId(val, out flag);
if (flag)
{
this.WriteObjectInstance(writer, val, false);
}
else
{
this.WriteObjectReference(writer, id);
}
}
else
{
bool flag2;
long id2 = this._idGenerator.GetId(val, out flag2);
if (flag2)
{
this._pendingObjects.Enqueue(val);
}
this.WriteObjectReference(writer, id2);
}
}
private void ReadObjectContent(BinaryReader reader, TypeMetadata metadata, long objectId, out object objectInstance, out SerializationInfo info)
{
if (_filterLevel == TypeFilterLevel.Low)
{
objectInstance = FormatterServices.GetSafeUninitializedObject(metadata.Type);
}
else
{
objectInstance = FormatterServices.GetUninitializedObject(metadata.Type);
}
_manager.RaiseOnDeserializingEvent(objectInstance);
info = metadata.NeedsSerializationInfo ? new SerializationInfo(metadata.Type, new FormatterConverter()) : null;
if (metadata.MemberNames != null)
{
for (int n = 0; n < metadata.FieldCount; n++)
{
ReadValue(reader, objectInstance, objectId, info, metadata.MemberTypes[n], metadata.MemberNames[n], null, null);
}
}
else
{
for (int n = 0; n < metadata.FieldCount; n++)
{
if (metadata.MemberInfos [n] != null)
{
ReadValue(reader, objectInstance, objectId, info, metadata.MemberTypes[n], metadata.MemberInfos[n].Name, metadata.MemberInfos[n], null);
}
else if (BinaryCommon.IsPrimitive(metadata.MemberTypes[n]))
{
// Since the member info is null, the type in this
// domain does not have this type. Even though we
// are not going to store the value, we will read
// it from the stream so that we can advance to the
// next block.
ReadPrimitiveTypeValue(reader, metadata.MemberTypes[n]);
}
}
}
}
private void WriteArray(BinaryWriter writer, long id, Array array)
{
Type elementType = array.GetType().GetElementType();
if (elementType == typeof(object) && array.Rank == 1)
{
this.WriteObjectArray(writer, id, array);
}
else if (elementType == typeof(string) && array.Rank == 1)
{
this.WriteStringArray(writer, id, array);
}
else if (BinaryCommon.IsPrimitive(elementType) && array.Rank == 1)
{
this.WritePrimitiveTypeArray(writer, id, array);
}
else
{
this.WriteGenericArray(writer, id, array);
}
}
private void BlockWrite(BinaryWriter writer, Array array, int dataSize)
{
int i = Buffer.ByteLength(array);
if (this.arrayBuffer == null || (i > this.arrayBuffer.Length && this.arrayBuffer.Length != this.ArrayBufferLength))
{
this.arrayBuffer = new byte[(i > this.ArrayBufferLength) ? this.ArrayBufferLength : i];
}
int num = 0;
while (i > 0)
{
int num2 = (i >= this.arrayBuffer.Length) ? this.arrayBuffer.Length : i;
Buffer.BlockCopy(array, num, this.arrayBuffer, 0, num2);
if (!BitConverter.IsLittleEndian && dataSize > 1)
{
BinaryCommon.SwapBytes(this.arrayBuffer, num2, dataSize);
}
writer.Write(this.arrayBuffer, 0, num2);
i -= num2;
num += num2;
}
}
public void WriteTypeSpec(BinaryWriter writer, Type type)
{
switch (ObjectWriter.GetTypeTag(type))
{
case TypeTag.PrimitiveType:
writer.Write(BinaryCommon.GetTypeCode(type));
break;
case TypeTag.RuntimeType:
{
string value = type.FullName;
if (this._context.State == StreamingContextStates.Remoting)
{
if (type == typeof(MonoType))
{
value = "System.RuntimeType";
}
else if (type == typeof(MonoType[]))
{
value = "System.RuntimeType[]";
}
}
writer.Write(value);
break;
}
case TypeTag.GenericType:
writer.Write(type.FullName);
writer.Write(this.GetAssemblyId(type.Assembly));
break;
case TypeTag.ArrayOfPrimitiveType:
writer.Write(BinaryCommon.GetTypeCode(type.GetElementType()));
break;
}
}
public static void WriteMethodResponse(BinaryWriter writer, object obj, Header[] headers, BinaryFormatter formatter)
{
IMethodReturnMessage resp = (IMethodReturnMessage)obj;
writer.Write((byte)BinaryElement.MethodResponse);
string[] internalProperties = MethodReturnDictionary.InternalReturnKeys;
int infoArrayLength = 0;
object info = null;
object[] extraProperties = null;
// Type of return value
ReturnTypeTag returnTypeTag;
MethodFlags contextFlag = MethodFlags.ExcludeLogicalCallContext;
if (resp.Exception != null)
{
returnTypeTag = ReturnTypeTag.Exception | ReturnTypeTag.Null;
internalProperties = MethodReturnDictionary.InternalExceptionKeys;
infoArrayLength = 1;
}
else if (resp.ReturnValue == null)
{
returnTypeTag = ReturnTypeTag.Null;
}
else if (IsMethodPrimitive(resp.ReturnValue.GetType()))
{
returnTypeTag = ReturnTypeTag.PrimitiveType;
}
else
{
returnTypeTag = ReturnTypeTag.ObjectType;
infoArrayLength++;
}
// Message flags
MethodFlags formatFlag;
if ((resp.LogicalCallContext != null) && resp.LogicalCallContext.HasInfo)
{
contextFlag = MethodFlags.IncludesLogicalCallContext;
infoArrayLength++;
}
if (resp.Properties.Count > internalProperties.Length && ((returnTypeTag & ReturnTypeTag.Exception) == 0))
{
extraProperties = GetExtraProperties(resp.Properties, internalProperties);
infoArrayLength++;
}
if (resp.OutArgCount == 0)
{
formatFlag = MethodFlags.NoArguments;
}
else
{
if (AllTypesArePrimitive(resp.Args))
{
formatFlag = MethodFlags.PrimitiveArguments;
}
else
{
if (infoArrayLength == 0)
{
formatFlag = MethodFlags.ArgumentsInSimpleArray;
}
else
{
formatFlag = MethodFlags.ArgumentsInMultiArray;
infoArrayLength++;
}
}
}
writer.Write((byte)(contextFlag | formatFlag));
writer.Write((byte)returnTypeTag);
// FIXME: what are the following 2 bytes for?
writer.Write((byte)0);
writer.Write((byte)0);
// Arguments
if (returnTypeTag == ReturnTypeTag.PrimitiveType)
{
writer.Write(BinaryCommon.GetTypeCode(resp.ReturnValue.GetType()));
ObjectWriter.WritePrimitiveValue(writer, resp.ReturnValue);
}
if (formatFlag == MethodFlags.PrimitiveArguments)
{
writer.Write((uint)resp.ArgCount);
for (int n = 0; n < resp.ArgCount; n++)
{
object val = resp.GetArg(n);
if (val != null)
{
writer.Write(BinaryCommon.GetTypeCode(val.GetType()));
ObjectWriter.WritePrimitiveValue(writer, val);
}
else
{
writer.Write((byte)BinaryTypeCode.Null);
}
}
}
if (infoArrayLength > 0)
{
object[] infoArray = new object[infoArrayLength];
int n = 0;
if ((returnTypeTag & ReturnTypeTag.Exception) != 0)
{
infoArray[n++] = resp.Exception;
}
if (formatFlag == MethodFlags.ArgumentsInMultiArray)
{
infoArray[n++] = resp.Args;
}
if (returnTypeTag == ReturnTypeTag.ObjectType)
{
infoArray[n++] = resp.ReturnValue;
}
if (contextFlag == MethodFlags.IncludesLogicalCallContext)
{
infoArray[n++] = resp.LogicalCallContext;
}
if (extraProperties != null)
{
infoArray[n++] = extraProperties;
}
info = infoArray;
}
else if ((formatFlag & MethodFlags.ArgumentsInSimpleArray) > 0)
{
info = resp.Args;
}
if (info != null)
{
ObjectWriter objectWriter = new ObjectWriter(formatter);
objectWriter.WriteObjectGraph(writer, info, headers);
}
else
{
writer.Write((byte)BinaryElement.End);
}
}
private void GetObjectData(object obj, out TypeMetadata metadata, out object data)
{
Type instanceType = obj.GetType();
// Check if the formatter has a surrogate selector, if it does,
// check if the surrogate selector handles objects of the given type.
if (_surrogateSelector != null)
{
ISurrogateSelector selector;
ISerializationSurrogate surrogate = _surrogateSelector.GetSurrogate(instanceType, _context, out selector);
if (surrogate != null)
{
SerializationInfo info = new SerializationInfo(instanceType, new FormatterConverter());
surrogate.GetObjectData(obj, info, _context);
metadata = new SerializableTypeMetadata(instanceType, info);
data = info;
return;
}
}
// Check if the object is marked with the Serializable attribute
BinaryCommon.CheckSerializable(instanceType, _surrogateSelector, _context);
#if NET_2_0
_manager.RegisterObject(obj);
#endif
ISerializable ser = obj as ISerializable;
if (ser != null)
{
SerializationInfo info = new SerializationInfo(instanceType, new FormatterConverter());
ser.GetObjectData(info, _context);
metadata = new SerializableTypeMetadata(instanceType, info);
data = info;
}
else
{
data = obj;
if (_context.Context != null)
{
// Don't cache metadata info when the Context property is not null sice
// we can't control the number of possible contexts in this case
metadata = new MemberTypeMetadata(instanceType, _context);
return;
}
Hashtable typesTable;
bool isNew = false;
lock (_cachedTypes) {
typesTable = (Hashtable)_cachedTypes [_context.State];
if (typesTable == null)
{
typesTable = new Hashtable();
_cachedTypes [_context.State] = typesTable;
isNew = true;
}
}
metadata = null;
lock (typesTable) {
if (!isNew)
{
metadata = (TypeMetadata)typesTable [instanceType];
}
if (metadata == null)
{
metadata = CreateMemberTypeMetadata(instanceType);
}
typesTable [instanceType] = metadata;
}
}
}
public static void WriteMethodCall(BinaryWriter writer, object obj, Header[] headers, ISurrogateSelector surrogateSelector, StreamingContext context, FormatterAssemblyStyle assemblyFormat, FormatterTypeStyle typeFormat)
{
IMethodCallMessage methodCallMessage = (IMethodCallMessage)obj;
writer.Write(21);
int num = 0;
object obj2 = null;
object[] array = null;
MethodFlags methodFlags;
if (methodCallMessage.LogicalCallContext != null && methodCallMessage.LogicalCallContext.HasInfo)
{
methodFlags = MethodFlags.IncludesLogicalCallContext;
num++;
}
else
{
methodFlags = MethodFlags.ExcludeLogicalCallContext;
}
if (RemotingServices.IsMethodOverloaded(methodCallMessage))
{
num++;
methodFlags |= MethodFlags.IncludesSignature;
}
if (methodCallMessage.Properties.Count > MethodCallDictionary.InternalKeys.Length)
{
array = MessageFormatter.GetExtraProperties(methodCallMessage.Properties, MethodCallDictionary.InternalKeys);
num++;
}
if (methodCallMessage.MethodBase.IsGenericMethod)
{
num++;
methodFlags |= MethodFlags.GenericArguments;
}
if (methodCallMessage.ArgCount == 0)
{
methodFlags |= MethodFlags.NoArguments;
}
else if (MessageFormatter.AllTypesArePrimitive(methodCallMessage.Args))
{
methodFlags |= MethodFlags.PrimitiveArguments;
}
else if (num == 0)
{
methodFlags |= MethodFlags.ArgumentsInSimpleArray;
}
else
{
methodFlags |= MethodFlags.ArgumentsInMultiArray;
num++;
}
writer.Write((int)methodFlags);
writer.Write(18);
writer.Write(methodCallMessage.MethodName);
writer.Write(18);
writer.Write(methodCallMessage.TypeName);
if ((methodFlags & MethodFlags.PrimitiveArguments) > (MethodFlags)0)
{
writer.Write((uint)methodCallMessage.Args.Length);
for (int i = 0; i < methodCallMessage.ArgCount; i++)
{
object arg = methodCallMessage.GetArg(i);
if (arg != null)
{
writer.Write(BinaryCommon.GetTypeCode(arg.GetType()));
ObjectWriter.WritePrimitiveValue(writer, arg);
}
else
{
writer.Write(17);
}
}
}
if (num > 0)
{
object[] array2 = new object[num];
int num2 = 0;
if ((methodFlags & MethodFlags.ArgumentsInMultiArray) > (MethodFlags)0)
{
array2[num2++] = methodCallMessage.Args;
}
if ((methodFlags & MethodFlags.GenericArguments) > (MethodFlags)0)
{
array2[num2++] = methodCallMessage.MethodBase.GetGenericArguments();
}
if ((methodFlags & MethodFlags.IncludesSignature) > (MethodFlags)0)
{
array2[num2++] = methodCallMessage.MethodSignature;
}
if ((methodFlags & MethodFlags.IncludesLogicalCallContext) > (MethodFlags)0)
{
array2[num2++] = methodCallMessage.LogicalCallContext;
}
if (array != null)
{
array2[num2++] = array;
}
obj2 = array2;
}
else if ((methodFlags & MethodFlags.ArgumentsInSimpleArray) > (MethodFlags)0)
{
obj2 = methodCallMessage.Args;
}
if (obj2 != null)
{
ObjectWriter objectWriter = new ObjectWriter(surrogateSelector, context, assemblyFormat, typeFormat);
objectWriter.WriteObjectGraph(writer, obj2, headers);
}
else
{
writer.Write(11);
}
}
public static void WriteMethodResponse(BinaryWriter writer, object obj, Header[] headers, ISurrogateSelector surrogateSelector, StreamingContext context, FormatterAssemblyStyle assemblyFormat, FormatterTypeStyle typeFormat)
{
IMethodReturnMessage methodReturnMessage = (IMethodReturnMessage)obj;
writer.Write(22);
string[] array = MethodReturnDictionary.InternalReturnKeys;
int num = 0;
object obj2 = null;
object[] array2 = null;
MethodFlags methodFlags = MethodFlags.ExcludeLogicalCallContext;
ReturnTypeTag returnTypeTag;
if (methodReturnMessage.Exception != null)
{
returnTypeTag = (ReturnTypeTag)34;
array = MethodReturnDictionary.InternalExceptionKeys;
num = 1;
}
else if (methodReturnMessage.ReturnValue == null)
{
returnTypeTag = ReturnTypeTag.Null;
}
else if (MessageFormatter.IsMethodPrimitive(methodReturnMessage.ReturnValue.GetType()))
{
returnTypeTag = ReturnTypeTag.PrimitiveType;
}
else
{
returnTypeTag = ReturnTypeTag.ObjectType;
num++;
}
if (methodReturnMessage.LogicalCallContext != null && methodReturnMessage.LogicalCallContext.HasInfo)
{
methodFlags = MethodFlags.IncludesLogicalCallContext;
num++;
}
if (methodReturnMessage.Properties.Count > array.Length && (byte)(returnTypeTag & ReturnTypeTag.Exception) == 0)
{
array2 = MessageFormatter.GetExtraProperties(methodReturnMessage.Properties, array);
num++;
}
MethodFlags methodFlags2;
if (methodReturnMessage.OutArgCount == 0)
{
methodFlags2 = MethodFlags.NoArguments;
}
else if (MessageFormatter.AllTypesArePrimitive(methodReturnMessage.Args))
{
methodFlags2 = MethodFlags.PrimitiveArguments;
}
else if (num == 0)
{
methodFlags2 = MethodFlags.ArgumentsInSimpleArray;
}
else
{
methodFlags2 = MethodFlags.ArgumentsInMultiArray;
num++;
}
writer.Write((byte)(methodFlags | methodFlags2));
writer.Write((byte)returnTypeTag);
writer.Write(0);
writer.Write(0);
if (returnTypeTag == ReturnTypeTag.PrimitiveType)
{
writer.Write(BinaryCommon.GetTypeCode(methodReturnMessage.ReturnValue.GetType()));
ObjectWriter.WritePrimitiveValue(writer, methodReturnMessage.ReturnValue);
}
if (methodFlags2 == MethodFlags.PrimitiveArguments)
{
writer.Write((uint)methodReturnMessage.ArgCount);
for (int i = 0; i < methodReturnMessage.ArgCount; i++)
{
object arg = methodReturnMessage.GetArg(i);
if (arg != null)
{
writer.Write(BinaryCommon.GetTypeCode(arg.GetType()));
ObjectWriter.WritePrimitiveValue(writer, arg);
}
else
{
writer.Write(17);
}
}
}
if (num > 0)
{
object[] array3 = new object[num];
int num2 = 0;
if ((byte)(returnTypeTag & ReturnTypeTag.Exception) != 0)
{
array3[num2++] = methodReturnMessage.Exception;
}
if (methodFlags2 == MethodFlags.ArgumentsInMultiArray)
{
array3[num2++] = methodReturnMessage.Args;
}
if (returnTypeTag == ReturnTypeTag.ObjectType)
{
array3[num2++] = methodReturnMessage.ReturnValue;
}
if (methodFlags == MethodFlags.IncludesLogicalCallContext)
{
array3[num2++] = methodReturnMessage.LogicalCallContext;
}
if (array2 != null)
{
array3[num2++] = array2;
}
obj2 = array3;
}
else if ((methodFlags2 & MethodFlags.ArgumentsInSimpleArray) > (MethodFlags)0)
{
obj2 = methodReturnMessage.Args;
}
if (obj2 != null)
{
ObjectWriter objectWriter = new ObjectWriter(surrogateSelector, context, assemblyFormat, typeFormat);
objectWriter.WriteObjectGraph(writer, obj2, headers);
}
else
{
writer.Write(11);
}
}
public static object ReadMethodResponse(BinaryElement elem, BinaryReader reader, bool hasHeaders, HeaderHandler headerHandler, IMethodCallMessage methodCallMessage, BinaryFormatter formatter)
{
if (elem != BinaryElement.MethodResponse)
{
throw new SerializationException("Invalid format. Expected BinaryElement.MethodResponse, found " + elem);
}
MethodFlags flags = (MethodFlags)reader.ReadByte();
ReturnTypeTag typeTag = (ReturnTypeTag)reader.ReadByte();
bool hasContextInfo = (flags & MethodFlags.IncludesLogicalCallContext) > 0;
// FIXME: find a meaning for those 2 bytes
reader.ReadByte();
reader.ReadByte();
object returnValue = null;
object[] outArgs = null;
LogicalCallContext callContext = null;
Exception exception = null;
object[] extraProperties = null;
Header[] headers = null;
if ((typeTag & ReturnTypeTag.PrimitiveType) > 0)
{
Type type = BinaryCommon.GetTypeFromCode(reader.ReadByte());
returnValue = ObjectReader.ReadPrimitiveTypeValue(reader, type);
}
if ((flags & MethodFlags.PrimitiveArguments) > 0)
{
uint count = reader.ReadUInt32();
outArgs = new object[count];
for (int n = 0; n < count; n++)
{
Type type = BinaryCommon.GetTypeFromCode(reader.ReadByte());
outArgs[n] = ObjectReader.ReadPrimitiveTypeValue(reader, type);
}
}
if (hasContextInfo || (typeTag & ReturnTypeTag.ObjectType) > 0 ||
(typeTag & ReturnTypeTag.Exception) > 0 ||
(flags & MethodFlags.ArgumentsInSimpleArray) > 0 ||
(flags & MethodFlags.ArgumentsInMultiArray) > 0)
{
// There objects that need to be deserialized using an ObjectReader
ObjectReader objectReader = new ObjectReader(formatter);
object result;
objectReader.ReadObjectGraph(reader, hasHeaders, out result, out headers);
object[] msgInfo = (object[])result;
if ((typeTag & ReturnTypeTag.Exception) > 0)
{
exception = (Exception)msgInfo[0];
if (hasContextInfo)
{
callContext = (LogicalCallContext)msgInfo[1];
}
}
else if ((flags & MethodFlags.NoArguments) > 0 || (flags & MethodFlags.PrimitiveArguments) > 0)
{
int n = 0;
if ((typeTag & ReturnTypeTag.ObjectType) > 0)
{
returnValue = msgInfo [n++];
}
if (hasContextInfo)
{
callContext = (LogicalCallContext)msgInfo[n++];
}
if (n < msgInfo.Length)
{
extraProperties = (object[])msgInfo[n];
}
}
else if ((flags & MethodFlags.ArgumentsInSimpleArray) > 0)
{
outArgs = msgInfo;
}
else
{
int n = 0;
outArgs = (object[])msgInfo[n++];
if ((typeTag & ReturnTypeTag.ObjectType) > 0)
{
returnValue = msgInfo[n++];
}
if (hasContextInfo)
{
callContext = (LogicalCallContext)msgInfo[n++];
}
if (n < msgInfo.Length)
{
extraProperties = (object[])msgInfo[n];
}
}
}
else
{
reader.ReadByte(); // Reads the stream ender
}
if (headerHandler != null)
{
headerHandler(headers);
}
if (exception != null)
{
return(new ReturnMessage(exception, methodCallMessage));
}
else
{
int argCount = (outArgs != null) ? outArgs.Length : 0;
ReturnMessage result = new ReturnMessage(returnValue, outArgs, argCount, callContext, methodCallMessage);
if (extraProperties != null)
{
foreach (DictionaryEntry entry in extraProperties)
{
result.Properties [(string)entry.Key] = entry.Value;
}
}
return(result);
}
}
public static object ReadMethodCall(BinaryElement elem, BinaryReader reader, bool hasHeaders, HeaderHandler headerHandler, BinaryFormatter formatter)
{
if (elem != BinaryElement.MethodCall)
{
throw new SerializationException("Invalid format. Expected BinaryElement.MethodCall, found " + elem);
}
MethodFlags methodFlags = (MethodFlags)reader.ReadInt32();
if (reader.ReadByte() != 18)
{
throw new SerializationException("Invalid format");
}
string value = reader.ReadString();
if (reader.ReadByte() != 18)
{
throw new SerializationException("Invalid format");
}
string value2 = reader.ReadString();
object[] array = null;
object value3 = null;
object value4 = null;
object[] array2 = null;
Header[] headers = null;
Type[] value5 = null;
if ((methodFlags & MethodFlags.PrimitiveArguments) > (MethodFlags)0)
{
uint num = reader.ReadUInt32();
array = new object[num];
int num2 = 0;
while ((long)num2 < (long)((ulong)num))
{
Type typeFromCode = BinaryCommon.GetTypeFromCode((int)reader.ReadByte());
array[num2] = ObjectReader.ReadPrimitiveTypeValue(reader, typeFromCode);
num2++;
}
}
if ((methodFlags & MethodFlags.NeedsInfoArrayMask) > (MethodFlags)0)
{
ObjectReader objectReader = new ObjectReader(formatter);
object obj;
objectReader.ReadObjectGraph(reader, hasHeaders, out obj, out headers);
object[] array3 = (object[])obj;
if ((methodFlags & MethodFlags.ArgumentsInSimpleArray) > (MethodFlags)0)
{
array = array3;
}
else
{
int num3 = 0;
if ((methodFlags & MethodFlags.ArgumentsInMultiArray) > (MethodFlags)0)
{
if (array3.Length > 1)
{
array = (object[])array3[num3++];
}
else
{
array = new object[0];
}
}
if ((methodFlags & MethodFlags.GenericArguments) > (MethodFlags)0)
{
value5 = (Type[])array3[num3++];
}
if ((methodFlags & MethodFlags.IncludesSignature) > (MethodFlags)0)
{
value3 = array3[num3++];
}
if ((methodFlags & MethodFlags.IncludesLogicalCallContext) > (MethodFlags)0)
{
value4 = array3[num3++];
}
if (num3 < array3.Length)
{
array2 = (object[])array3[num3];
}
}
}
else
{
reader.ReadByte();
}
if (array == null)
{
array = new object[0];
}
string value6 = null;
if (headerHandler != null)
{
value6 = (headerHandler(headers) as string);
}
MethodCall methodCall = new MethodCall(new Header[]
{
new Header("__MethodName", value),
new Header("__MethodSignature", value3),
new Header("__TypeName", value2),
new Header("__Args", array),
new Header("__CallContext", value4),
new Header("__Uri", value6),
new Header("__GenericArguments", value5)
});
if (array2 != null)
{
foreach (DictionaryEntry dictionaryEntry in array2)
{
methodCall.Properties[(string)dictionaryEntry.Key] = dictionaryEntry.Value;
}
}
return(methodCall);
}
public static Type GenerateMetadataTypeInternal(Type type, StreamingContext context)
{
string text = type.Name + "__TypeMetadata";
string str = string.Empty;
int num = 0;
while (CodeGenerator._module.GetType(text + str) != null)
{
int num2;
num = (num2 = num + 1);
str = num2.ToString();
}
text += str;
MemberInfo[] serializableMembers = FormatterServices.GetSerializableMembers(type, context);
TypeBuilder typeBuilder = CodeGenerator._module.DefineType(text, TypeAttributes.Public, typeof(ClrTypeMetadata));
Type[] parameterTypes = Type.EmptyTypes;
ConstructorBuilder constructorBuilder = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, parameterTypes);
ConstructorInfo constructor = typeof(ClrTypeMetadata).GetConstructor(new Type[]
{
typeof(Type)
});
ILGenerator ilgenerator = constructorBuilder.GetILGenerator();
ilgenerator.Emit(OpCodes.Ldarg_0);
ilgenerator.Emit(OpCodes.Ldtoken, type);
ilgenerator.EmitCall(OpCodes.Call, typeof(Type).GetMethod("GetTypeFromHandle"), null);
ilgenerator.Emit(OpCodes.Call, constructor);
ilgenerator.Emit(OpCodes.Ret);
parameterTypes = new Type[]
{
typeof(ObjectWriter),
typeof(BinaryWriter)
};
MethodBuilder methodBuilder = typeBuilder.DefineMethod("WriteAssemblies", MethodAttributes.FamANDAssem | MethodAttributes.Family | MethodAttributes.Virtual, typeof(void), parameterTypes);
ilgenerator = methodBuilder.GetILGenerator();
foreach (FieldInfo fieldInfo in serializableMembers)
{
Type type2 = fieldInfo.FieldType;
while (type2.IsArray)
{
type2 = type2.GetElementType();
}
if (type2.Assembly != ObjectWriter.CorlibAssembly)
{
ilgenerator.Emit(OpCodes.Ldarg_1);
ilgenerator.Emit(OpCodes.Ldarg_2);
CodeGenerator.EmitLoadTypeAssembly(ilgenerator, type2, fieldInfo.Name);
ilgenerator.EmitCall(OpCodes.Callvirt, typeof(ObjectWriter).GetMethod("WriteAssembly"), null);
ilgenerator.Emit(OpCodes.Pop);
}
}
ilgenerator.Emit(OpCodes.Ret);
typeBuilder.DefineMethodOverride(methodBuilder, typeof(TypeMetadata).GetMethod("WriteAssemblies"));
parameterTypes = new Type[]
{
typeof(ObjectWriter),
typeof(BinaryWriter),
typeof(bool)
};
methodBuilder = typeBuilder.DefineMethod("WriteTypeData", MethodAttributes.FamANDAssem | MethodAttributes.Family | MethodAttributes.Virtual, typeof(void), parameterTypes);
ilgenerator = methodBuilder.GetILGenerator();
ilgenerator.Emit(OpCodes.Ldarg_2);
ilgenerator.Emit(OpCodes.Ldc_I4, serializableMembers.Length);
CodeGenerator.EmitWrite(ilgenerator, typeof(int));
foreach (FieldInfo fieldInfo2 in serializableMembers)
{
ilgenerator.Emit(OpCodes.Ldarg_2);
ilgenerator.Emit(OpCodes.Ldstr, fieldInfo2.Name);
CodeGenerator.EmitWrite(ilgenerator, typeof(string));
}
Label label = ilgenerator.DefineLabel();
ilgenerator.Emit(OpCodes.Ldarg_3);
ilgenerator.Emit(OpCodes.Brfalse, label);
foreach (FieldInfo fieldInfo3 in serializableMembers)
{
ilgenerator.Emit(OpCodes.Ldarg_2);
ilgenerator.Emit(OpCodes.Ldc_I4_S, (byte)ObjectWriter.GetTypeTag(fieldInfo3.FieldType));
CodeGenerator.EmitWrite(ilgenerator, typeof(byte));
}
foreach (FieldInfo fieldInfo4 in serializableMembers)
{
CodeGenerator.EmitWriteTypeSpec(ilgenerator, fieldInfo4.FieldType, fieldInfo4.Name);
}
ilgenerator.MarkLabel(label);
ilgenerator.Emit(OpCodes.Ret);
typeBuilder.DefineMethodOverride(methodBuilder, typeof(TypeMetadata).GetMethod("WriteTypeData"));
parameterTypes = new Type[]
{
typeof(ObjectWriter),
typeof(BinaryWriter),
typeof(object)
};
methodBuilder = typeBuilder.DefineMethod("WriteObjectData", MethodAttributes.FamANDAssem | MethodAttributes.Family | MethodAttributes.Virtual, typeof(void), parameterTypes);
ilgenerator = methodBuilder.GetILGenerator();
LocalBuilder local = ilgenerator.DeclareLocal(type);
OpCode opcode = OpCodes.Ldloc;
ilgenerator.Emit(OpCodes.Ldarg_3);
if (type.IsValueType)
{
ilgenerator.Emit(OpCodes.Unbox, type);
CodeGenerator.LoadFromPtr(ilgenerator, type);
opcode = OpCodes.Ldloca_S;
}
else
{
ilgenerator.Emit(OpCodes.Castclass, type);
}
ilgenerator.Emit(OpCodes.Stloc, local);
foreach (FieldInfo fieldInfo5 in serializableMembers)
{
Type fieldType = fieldInfo5.FieldType;
if (BinaryCommon.IsPrimitive(fieldType))
{
ilgenerator.Emit(OpCodes.Ldarg_2);
ilgenerator.Emit(opcode, local);
if (fieldType == typeof(DateTime) || fieldType == typeof(TimeSpan) || fieldType == typeof(decimal))
{
ilgenerator.Emit(OpCodes.Ldflda, fieldInfo5);
}
else
{
ilgenerator.Emit(OpCodes.Ldfld, fieldInfo5);
}
CodeGenerator.EmitWritePrimitiveValue(ilgenerator, fieldType);
}
else
{
ilgenerator.Emit(OpCodes.Ldarg_1);
ilgenerator.Emit(OpCodes.Ldarg_2);
ilgenerator.Emit(OpCodes.Ldtoken, fieldType);
ilgenerator.EmitCall(OpCodes.Call, typeof(Type).GetMethod("GetTypeFromHandle"), null);
ilgenerator.Emit(opcode, local);
ilgenerator.Emit(OpCodes.Ldfld, fieldInfo5);
if (fieldType.IsValueType)
{
ilgenerator.Emit(OpCodes.Box, fieldType);
}
ilgenerator.EmitCall(OpCodes.Call, typeof(ObjectWriter).GetMethod("WriteValue"), null);
}
}
ilgenerator.Emit(OpCodes.Ret);
typeBuilder.DefineMethodOverride(methodBuilder, typeof(TypeMetadata).GetMethod("WriteObjectData"));
return(typeBuilder.CreateType());
}
static public Type GenerateMetadataType(Type type, StreamingContext context)
{
string name = type.Name + "__TypeMetadata";
string sufix = "";
int n = 0;
while (_module.GetType(name + sufix) != null)
{
sufix = (++n).ToString();
}
name += sufix;
MemberInfo[] members = FormatterServices.GetSerializableMembers(type, context);
TypeBuilder typeBuilder = _module.DefineType(name, TypeAttributes.Public, typeof(ClrTypeMetadata));
Type[] parameters;
MethodBuilder method;
ILGenerator gen;
// *********************
// METHOD public constructor (Type t): base (t);
parameters = new Type[0];
ConstructorBuilder ctor = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, parameters);
ConstructorInfo baseCtor = typeof(ClrTypeMetadata).GetConstructor(new Type[] { typeof(Type) });
gen = ctor.GetILGenerator();
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldtoken, type);
gen.EmitCall(OpCodes.Call, typeof(Type).GetMethod("GetTypeFromHandle"), null);
gen.Emit(OpCodes.Call, baseCtor);
gen.Emit(OpCodes.Ret);
// *********************
// METHOD public override void WriteAssemblies (ObjectWriter ow, BinaryWriter writer);
parameters = new Type[] { typeof(ObjectWriter), typeof(BinaryWriter) };
method = typeBuilder.DefineMethod("WriteAssemblies", MethodAttributes.Public | MethodAttributes.Virtual, typeof(void), parameters);
gen = method.GetILGenerator();
foreach (FieldInfo field in members)
{
Type memberType = field.FieldType;
while (memberType.IsArray)
{
memberType = memberType.GetElementType();
}
if (memberType.Assembly != ObjectWriter.CorlibAssembly)
{
// EMIT ow.WriteAssembly (writer, memberType.Assembly);
gen.Emit(OpCodes.Ldarg_1);
gen.Emit(OpCodes.Ldarg_2);
EmitLoadTypeAssembly(gen, memberType, field.Name);
gen.EmitCall(OpCodes.Callvirt, typeof(ObjectWriter).GetMethod("WriteAssembly"), null);
gen.Emit(OpCodes.Pop);
}
}
gen.Emit(OpCodes.Ret);
typeBuilder.DefineMethodOverride(method, typeof(TypeMetadata).GetMethod("WriteAssemblies"));
// *********************
// METHOD public override void WriteTypeData (ObjectWriter ow, BinaryWriter writer, bool writeTypes);
parameters = new Type[] { typeof(ObjectWriter), typeof(BinaryWriter), typeof(bool) };
method = typeBuilder.DefineMethod("WriteTypeData", MethodAttributes.Public | MethodAttributes.Virtual, typeof(void), parameters);
gen = method.GetILGenerator();
// EMIT writer.Write (members.Length);
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldc_I4, members.Length);
EmitWrite(gen, typeof(int));
// Names of fields
foreach (FieldInfo field in members)
{
// EMIT writer.Write (name);
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldstr, field.Name);
EmitWrite(gen, typeof(string));
}
Label falseLabel = gen.DefineLabel();
gen.Emit(OpCodes.Ldarg_3);
gen.Emit(OpCodes.Brfalse, falseLabel);
// Types of fields
foreach (FieldInfo field in members)
{
// EMIT writer.Write ((byte) ObjectWriter.GetTypeTag (type));
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldc_I4_S, (byte)ObjectWriter.GetTypeTag(field.FieldType));
EmitWrite(gen, typeof(byte));
}
// Type specs of fields
foreach (FieldInfo field in members)
{
// EMIT ow.WriteTypeSpec (writer, field.FieldType);
EmitWriteTypeSpec(gen, field.FieldType, field.Name);
}
gen.MarkLabel(falseLabel);
gen.Emit(OpCodes.Ret);
typeBuilder.DefineMethodOverride(method, typeof(TypeMetadata).GetMethod("WriteTypeData"));
// *********************
// METHOD public override void WriteObjectData (ObjectWriter ow, BinaryWriter writer, object data)
parameters = new Type[] { typeof(ObjectWriter), typeof(BinaryWriter), typeof(object) };
method = typeBuilder.DefineMethod("WriteObjectData", MethodAttributes.Public | MethodAttributes.Virtual, typeof(void), parameters);
gen = method.GetILGenerator();
LocalBuilder localBuilder = gen.DeclareLocal(type);
OpCode lload = OpCodes.Ldloc;
gen.Emit(OpCodes.Ldarg_3);
if (type.IsValueType)
{
gen.Emit(OpCodes.Unbox, type);
LoadFromPtr(gen, type);
lload = OpCodes.Ldloca_S;
}
else
{
gen.Emit(OpCodes.Castclass, type);
}
gen.Emit(OpCodes.Stloc, localBuilder);
foreach (FieldInfo field in members)
{
// EMIT ow.WriteValue (writer, ((FieldInfo)members[n]).FieldType, values[n]);
Type ftype = field.FieldType;
if (BinaryCommon.IsPrimitive(ftype))
{
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(lload, localBuilder);
if (ftype == typeof(DateTime) || ftype == typeof(TimeSpan) || ftype == typeof(decimal))
{
gen.Emit(OpCodes.Ldflda, field);
}
else
{
gen.Emit(OpCodes.Ldfld, field);
}
EmitWritePrimitiveValue(gen, ftype);
}
else
{
gen.Emit(OpCodes.Ldarg_1);
gen.Emit(OpCodes.Ldarg_2);
gen.Emit(OpCodes.Ldtoken, ftype);
gen.EmitCall(OpCodes.Call, typeof(Type).GetMethod("GetTypeFromHandle"), null);
gen.Emit(lload, localBuilder);
gen.Emit(OpCodes.Ldfld, field);
if (ftype.IsValueType)
{
gen.Emit(OpCodes.Box, ftype);
}
gen.EmitCall(OpCodes.Call, typeof(ObjectWriter).GetMethod("WriteValue"), null);
}
}
gen.Emit(OpCodes.Ret);
typeBuilder.DefineMethodOverride(method, typeof(TypeMetadata).GetMethod("WriteObjectData"));
return(typeBuilder.CreateType());
}
private void ReadValue(BinaryReader reader, object parentObject, long parentObjectId, SerializationInfo info, Type valueType, string fieldName, MemberInfo memberInfo, int[] indices)
{
// Reads a value from the stream and assigns it to the member of an object
object val;
if (BinaryCommon.IsPrimitive(valueType) && !IsGeneric(memberInfo))
{
val = ReadPrimitiveTypeValue(reader, valueType);
SetObjectValue(parentObject, fieldName, memberInfo, info, val, valueType, indices);
return;
}
// Gets the object
BinaryElement element = (BinaryElement)reader.ReadByte();
if (element == BinaryElement.ObjectReference)
{
// Just read the id of the referred object and record a fixup
long childObjectId = (long)reader.ReadUInt32();
RecordFixup(parentObjectId, childObjectId, parentObject, info, fieldName, memberInfo, indices);
return;
}
long objectId;
SerializationInfo objectInfo;
ReadObject(element, reader, out objectId, out val, out objectInfo);
// There are two cases where the object cannot be assigned to the parent
// and a fixup must be used:
// 1) When what has been read is not an object, but an id of an object that
// has not been read yet (an object reference). This is managed in the
// previous block of code.
// 2) When the read object is a value type object. Value type fields hold
// copies of objects, not references. Thus, if the value object that
// has been read has pending fixups, those fixups would be made to the
// boxed copy in the ObjectManager, and not in the required object instance
// First of all register the fixup, and then the object. ObjectManager is more
// efficient if done in this order
bool hasFixup = false;
if (objectId != 0)
{
if (val.GetType().IsValueType)
{
RecordFixup(parentObjectId, objectId, parentObject, info, fieldName, memberInfo, indices);
hasFixup = true;
}
// Register the value
if (info == null && !(parentObject is Array))
{
RegisterObject(objectId, val, objectInfo, parentObjectId, memberInfo, null);
}
else
{
RegisterObject(objectId, val, objectInfo, parentObjectId, null, indices);
}
}
// Assign the value to the parent object, unless there is a fixup
if (!hasFixup)
{
SetObjectValue(parentObject, fieldName, memberInfo, info, val, valueType, indices);
}
}
public static object ReadMethodCall(BinaryElement elem, BinaryReader reader, bool hasHeaders, HeaderHandler headerHandler, BinaryFormatter formatter)
{
if (elem != BinaryElement.MethodCall)
{
throw new SerializationException("Invalid format. Expected BinaryElement.MethodCall, found " + elem);
}
MethodFlags flags = (MethodFlags)reader.ReadInt32();
if (((BinaryTypeCode)reader.ReadByte()) != BinaryTypeCode.String)
{
throw new SerializationException("Invalid format");
}
string methodName = reader.ReadString();
if (((BinaryTypeCode)reader.ReadByte()) != BinaryTypeCode.String)
{
throw new SerializationException("Invalid format");
}
string className = reader.ReadString();
//bool hasContextInfo = (flags & MethodFlags.IncludesLogicalCallContext) > 0;
object[] arguments = null;
object methodSignature = null;
object callContext = null;
object[] extraProperties = null;
Header[] headers = null;
Type[] genericArguments = null;
if ((flags & MethodFlags.PrimitiveArguments) > 0)
{
uint count = reader.ReadUInt32();
arguments = new object[count];
for (int n = 0; n < count; n++)
{
Type type = BinaryCommon.GetTypeFromCode(reader.ReadByte());
arguments[n] = ObjectReader.ReadPrimitiveTypeValue(reader, type);
}
}
if ((flags & MethodFlags.NeedsInfoArrayMask) > 0)
{
ObjectReader objectReader = new ObjectReader(formatter);
object result;
objectReader.ReadObjectGraph(reader, hasHeaders, out result, out headers);
object[] msgInfo = (object[])result;
if ((flags & MethodFlags.ArgumentsInSimpleArray) > 0)
{
arguments = msgInfo;
}
else
{
int n = 0;
if ((flags & MethodFlags.ArgumentsInMultiArray) > 0)
{
if (msgInfo.Length > 1)
{
arguments = (object[])msgInfo[n++];
}
else
{
arguments = new object[0];
}
}
if ((flags & MethodFlags.GenericArguments) > 0)
{
genericArguments = (Type[])msgInfo[n++];
}
if ((flags & MethodFlags.IncludesSignature) > 0)
{
methodSignature = msgInfo[n++];
}
if ((flags & MethodFlags.IncludesLogicalCallContext) > 0)
{
callContext = msgInfo[n++];
}
if (n < msgInfo.Length)
{
extraProperties = (object[])msgInfo[n];
}
}
}
else
{
reader.ReadByte(); // Reads the stream ender
}
if (arguments == null)
{
arguments = new object[0];
}
string uri = null;
if (headerHandler != null)
{
uri = headerHandler(headers) as string;
}
Header[] methodInfo = new Header[7];
methodInfo[0] = new Header("__MethodName", methodName);
methodInfo[1] = new Header("__MethodSignature", methodSignature);
methodInfo[2] = new Header("__TypeName", className);
methodInfo[3] = new Header("__Args", arguments);
methodInfo[4] = new Header("__CallContext", callContext);
methodInfo[5] = new Header("__Uri", uri);
methodInfo[6] = new Header("__GenericArguments", genericArguments);
MethodCall call = new MethodCall(methodInfo);
if (extraProperties != null)
{
foreach (DictionaryEntry entry in extraProperties)
{
call.Properties [(string)entry.Key] = entry.Value;
}
}
return(call);
}
public static void WriteMethodCall(BinaryWriter writer, object obj, Header[] headers, BinaryFormatter formatter)
{
IMethodCallMessage call = (IMethodCallMessage)obj;
writer.Write((byte)BinaryElement.MethodCall);
MethodFlags methodFlags;
int infoArraySize = 0;
object info = null;
object[] extraProperties = null;
if (call.LogicalCallContext != null && call.LogicalCallContext.HasInfo)
{
methodFlags = MethodFlags.IncludesLogicalCallContext;
infoArraySize++;
}
else
{
methodFlags = MethodFlags.ExcludeLogicalCallContext;
}
if (RemotingServices.IsMethodOverloaded(call))
{
infoArraySize++;
methodFlags |= MethodFlags.IncludesSignature;
}
if (call.Properties.Count > MethodCallDictionary.InternalKeys.Length)
{
extraProperties = GetExtraProperties(call.Properties, MethodCallDictionary.InternalKeys);
infoArraySize++;
}
if (call.MethodBase.IsGenericMethod)
{
infoArraySize++;
methodFlags |= MethodFlags.GenericArguments;
}
if (call.ArgCount == 0)
{
methodFlags |= MethodFlags.NoArguments;
}
else
{
if (AllTypesArePrimitive(call.Args))
{
methodFlags |= MethodFlags.PrimitiveArguments;
}
else
{
if (infoArraySize == 0)
{
methodFlags |= MethodFlags.ArgumentsInSimpleArray;
}
else
{
methodFlags |= MethodFlags.ArgumentsInMultiArray;
infoArraySize++;
}
}
}
writer.Write((int)methodFlags);
// Method name
writer.Write((byte)BinaryTypeCode.String);
writer.Write(call.MethodName);
// Class name
writer.Write((byte)BinaryTypeCode.String);
writer.Write(call.TypeName);
// Arguments
if ((methodFlags & MethodFlags.PrimitiveArguments) > 0)
{
writer.Write((uint)call.Args.Length);
for (int n = 0; n < call.ArgCount; n++)
{
object arg = call.GetArg(n);
if (arg != null)
{
writer.Write(BinaryCommon.GetTypeCode(arg.GetType()));
ObjectWriter.WritePrimitiveValue(writer, arg);
}
else
{
writer.Write((byte)BinaryTypeCode.Null);
}
}
}
if (infoArraySize > 0)
{
object[] ainfo = new object[infoArraySize];
int n = 0;
if ((methodFlags & MethodFlags.ArgumentsInMultiArray) > 0)
{
ainfo[n++] = call.Args;
}
if ((methodFlags & MethodFlags.GenericArguments) > 0)
{
ainfo[n++] = call.MethodBase.GetGenericArguments();
}
if ((methodFlags & MethodFlags.IncludesSignature) > 0)
{
ainfo[n++] = call.MethodSignature;
}
if ((methodFlags & MethodFlags.IncludesLogicalCallContext) > 0)
{
ainfo[n++] = call.LogicalCallContext;
}
if (extraProperties != null)
{
ainfo[n++] = extraProperties;
}
info = ainfo;
}
else if ((methodFlags & MethodFlags.ArgumentsInSimpleArray) > 0)
{
info = call.Args;
}
if (info != null)
{
ObjectWriter objectWriter = new ObjectWriter(formatter);
objectWriter.WriteObjectGraph(writer, info, headers);
}
else
{
writer.Write((byte)BinaryElement.End);
}
}
private void GetObjectData(object obj, out TypeMetadata metadata, out object data)
{
Type type = obj.GetType();
if (this._surrogateSelector != null)
{
ISurrogateSelector surrogateSelector;
ISerializationSurrogate surrogate = this._surrogateSelector.GetSurrogate(type, this._context, out surrogateSelector);
if (surrogate != null)
{
SerializationInfo serializationInfo = new SerializationInfo(type, new FormatterConverter());
surrogate.GetObjectData(obj, serializationInfo, this._context);
metadata = new SerializableTypeMetadata(type, serializationInfo);
data = serializationInfo;
return;
}
}
BinaryCommon.CheckSerializable(type, this._surrogateSelector, this._context);
this._manager.RegisterObject(obj);
ISerializable serializable = obj as ISerializable;
if (serializable != null)
{
SerializationInfo serializationInfo2 = new SerializationInfo(type, new FormatterConverter());
serializable.GetObjectData(serializationInfo2, this._context);
metadata = new SerializableTypeMetadata(type, serializationInfo2);
data = serializationInfo2;
}
else
{
data = obj;
if (this._context.Context != null)
{
metadata = new MemberTypeMetadata(type, this._context);
return;
}
bool flag = false;
Hashtable cachedTypes = ObjectWriter._cachedTypes;
Hashtable hashtable;
lock (cachedTypes)
{
hashtable = (Hashtable)ObjectWriter._cachedTypes[this._context.State];
if (hashtable == null)
{
hashtable = new Hashtable();
ObjectWriter._cachedTypes[this._context.State] = hashtable;
flag = true;
}
}
metadata = null;
Hashtable obj2 = hashtable;
lock (obj2)
{
if (!flag)
{
metadata = (TypeMetadata)hashtable[type];
}
if (metadata == null)
{
metadata = this.CreateMemberTypeMetadata(type);
}
hashtable[type] = metadata;
}
}
}
public static object ReadMethodResponse(BinaryElement elem, BinaryReader reader, bool hasHeaders, HeaderHandler headerHandler, IMethodCallMessage methodCallMessage, BinaryFormatter formatter)
{
if (elem != BinaryElement.MethodResponse)
{
throw new SerializationException("Invalid format. Expected BinaryElement.MethodResponse, found " + elem);
}
MethodFlags methodFlags = (MethodFlags)reader.ReadByte();
ReturnTypeTag returnTypeTag = (ReturnTypeTag)reader.ReadByte();
bool flag = (methodFlags & MethodFlags.IncludesLogicalCallContext) > (MethodFlags)0;
reader.ReadByte();
reader.ReadByte();
object ret = null;
object[] array = null;
LogicalCallContext callCtx = null;
Exception ex = null;
object[] array2 = null;
Header[] headers = null;
if ((byte)(returnTypeTag & ReturnTypeTag.PrimitiveType) > 0)
{
Type typeFromCode = BinaryCommon.GetTypeFromCode((int)reader.ReadByte());
ret = ObjectReader.ReadPrimitiveTypeValue(reader, typeFromCode);
}
if ((methodFlags & MethodFlags.PrimitiveArguments) > (MethodFlags)0)
{
uint num = reader.ReadUInt32();
array = new object[num];
int num2 = 0;
while ((long)num2 < (long)((ulong)num))
{
Type typeFromCode2 = BinaryCommon.GetTypeFromCode((int)reader.ReadByte());
array[num2] = ObjectReader.ReadPrimitiveTypeValue(reader, typeFromCode2);
num2++;
}
}
if (flag || (byte)(returnTypeTag & ReturnTypeTag.ObjectType) > 0 || (byte)(returnTypeTag & ReturnTypeTag.Exception) > 0 || (methodFlags & MethodFlags.ArgumentsInSimpleArray) > (MethodFlags)0 || (methodFlags & MethodFlags.ArgumentsInMultiArray) > (MethodFlags)0)
{
ObjectReader objectReader = new ObjectReader(formatter);
object obj;
objectReader.ReadObjectGraph(reader, hasHeaders, out obj, out headers);
object[] array3 = (object[])obj;
if ((byte)(returnTypeTag & ReturnTypeTag.Exception) > 0)
{
ex = (Exception)array3[0];
if (flag)
{
callCtx = (LogicalCallContext)array3[1];
}
}
else if ((methodFlags & MethodFlags.NoArguments) > (MethodFlags)0 || (methodFlags & MethodFlags.PrimitiveArguments) > (MethodFlags)0)
{
int num3 = 0;
if ((byte)(returnTypeTag & ReturnTypeTag.ObjectType) > 0)
{
ret = array3[num3++];
}
if (flag)
{
callCtx = (LogicalCallContext)array3[num3++];
}
if (num3 < array3.Length)
{
array2 = (object[])array3[num3];
}
}
else if ((methodFlags & MethodFlags.ArgumentsInSimpleArray) > (MethodFlags)0)
{
array = array3;
}
else
{
int num4 = 0;
array = (object[])array3[num4++];
if ((byte)(returnTypeTag & ReturnTypeTag.ObjectType) > 0)
{
ret = array3[num4++];
}
if (flag)
{
callCtx = (LogicalCallContext)array3[num4++];
}
if (num4 < array3.Length)
{
array2 = (object[])array3[num4];
}
}
}
else
{
reader.ReadByte();
}
if (headerHandler != null)
{
headerHandler(headers);
}
if (ex != null)
{
return(new ReturnMessage(ex, methodCallMessage));
}
int outArgsCount = (array == null) ? 0 : array.Length;
ReturnMessage returnMessage = new ReturnMessage(ret, array, outArgsCount, callCtx, methodCallMessage);
if (array2 != null)
{
foreach (DictionaryEntry dictionaryEntry in array2)
{
returnMessage.Properties[(string)dictionaryEntry.Key] = dictionaryEntry.Value;
}
}
return(returnMessage);
}
