/// <summary>
/// Tries to read a custom type.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="result">The result.</param>
/// <returns>True if the custom type could be readed successfully; otherwise false.</returns>
public static bool ReadCustomType(IBinaryReader reader, out object result)
{
CustomTypeInfo info;
byte typeCode = reader.ReadByte();
if (!CustomTypeCache.TryGet(typeCode, out info) && !Protocol.AllowRawCustomValues)
{
if (log.IsDebugEnabled)
{
log.DebugFormat("Could not find custom type for type code {0}", new object[] { typeCode });
}
result = null;
return(false);
}
short length = reader.ReadInt16();
if ((length < 0) || ((reader.BaseStream.Length - reader.BaseStream.Position) < length))
{
if (log.IsDebugEnabled)
{
log.DebugFormat("Invalid length for custom type: length={0}, bytesLeft={1}", new object[] { length, reader.BaseStream.Length - reader.BaseStream.Position });
}
result = null;
return(false);
}
byte[] arg = reader.ReadBytes(length);
result = (info != null) ? info.DeserializeFunction(arg) : new RawCustomValue(typeCode, arg);
return(true);
}
private static void WriteDictionary(IBinaryWriter writer, object dict)
{
Type[] genericArguments = dict.GetType().GetGenericArguments();
bool setType = genericArguments[0] == typeof(object);
bool flag2 = genericArguments[1] == typeof(object);
if (setType)
{
writer.WriteByte(0);
}
else
{
GpType gpType = GpBinaryByteTypeConverter.GetGpType(genericArguments[0]);
switch (gpType)
{
case GpType.Unknown:
case GpType.Dictionary:
throw new InvalidDataException("Unexpected - cannot serialize Dictionary with key type: " + genericArguments[0]);
}
writer.WriteByte((byte)gpType);
}
if (flag2)
{
writer.WriteByte(0);
}
else
{
GpType type2 = GpBinaryByteTypeConverter.GetGpType(genericArguments[1]);
if (type2 == GpType.Unknown)
{
CustomTypeInfo info;
if (!CustomTypeCache.TryGet(genericArguments[1], out info))
{
throw new InvalidDataException("Unexpected - cannot serialize Dictionary with value type: " + genericArguments[1]);
}
writer.WriteByte(0x63);
writer.WriteByte(info.Code);
}
else
{
writer.WriteByte((byte)type2);
if (type2 == GpType.Dictionary)
{
WriteDictionaryHeader(writer, genericArguments[1]);
}
else if ((type2 == GpType.Array) && !WriteArrayHeader(writer, genericArguments[1].GetElementType()))
{
throw new InvalidDataException("Unexpected - cannot serialize Dictionary with value type: " + genericArguments[1]);
}
}
}
IDictionary dictionary = (IDictionary)dict;
writer.WriteInt16((short)dictionary.Count);
foreach (DictionaryEntry entry in dictionary)
{
Write(writer, entry.Key, setType);
Write(writer, entry.Value, flag2);
}
}
/// <summary>
/// Writes an array.
/// </summary>
/// <param name="writer"> The writer.</param>
/// <param name="serObject">The ser object.</param>
private static void WriteArray(IBinaryWriter writer, IList serObject)
{
Type elementType = serObject.GetType().GetElementType();
GpType gpType = GpBinaryByteTypeConverter.GetGpType(elementType);
if (gpType == GpType.Unknown)
{
if (elementType == typeof(RawCustomArray))
{
writer.WriteInt16((short)serObject.Count);
for (int i = 0; i < serObject.Count; i++)
{
WriteCustomTypeArray(writer, (RawCustomArray)serObject[i], i == 0);
}
}
else
{
CustomTypeInfo info;
if (!CustomTypeCache.TryGet(elementType, out info))
{
throw new InvalidDataException(string.Format("Arrays of type '{0}' are not supported.", elementType));
}
WriteCustomTypeArray(writer, info, serObject);
}
}
else
{
writer.WriteInt16((short)serObject.Count);
writer.WriteByte((byte)gpType);
if (gpType == GpType.Dictionary)
{
bool flag;
bool flag2;
WriteDictionaryHeader(writer, serObject, out flag, out flag2);
foreach (object obj2 in serObject)
{
WriteDictionaryElements(writer, obj2, flag, flag2);
}
}
else
{
foreach (object obj3 in serObject)
{
Write(writer, obj3, false);
}
}
}
}
private static bool ReadCustomTypeArray(IBinaryReader reader, int size, out object result)
{
CustomTypeInfo info;
byte typeCode = reader.ReadByte();
if (!CustomTypeCache.TryGet(typeCode, out info) && !Protocol.AllowRawCustomValues)
{
if (log.IsDebugEnabled)
{
log.DebugFormat("Could not find custom type for type code {0}", new object[] { typeCode });
}
result = null;
return(false);
}
if ((size < 0) || ((size * 2) > (reader.BaseStream.Length - reader.BaseStream.Position)))
{
if (log.IsDebugEnabled)
{
log.DebugFormat("Invalid length for array of type {2}: length={0}, bytesLeft={1}", new object[] { size, reader.BaseStream.Length - reader.BaseStream.Position, info.Type });
}
result = null;
return(false);
}
if (info != null)
{
Array array = Array.CreateInstance(info.Type, size);
for (short i = 0; i < size; i = (short)(i + 1))
{
int length = reader.ReadInt16();
byte[] arg = reader.ReadBytes(length);
object obj2 = info.DeserializeFunction(arg);
array.SetValue(obj2, (int)i);
}
result = array;
}
else
{
RawCustomArray array2 = new RawCustomArray(typeCode, size);
for (short j = 0; j < size; j = (short)(j + 1))
{
int num5 = reader.ReadInt16();
byte[] buffer2 = reader.ReadBytes(num5);
array2[j] = buffer2;
}
result = array2;
}
return(true);
}
public static void Write(Stream stream, object value)
{
if (value == null)
{
stream.WriteByte(0x2a);
}
else
{
Type type = value.GetType();
if (type.IsArray)
{
WriteArray(stream, type, value);
}
else
{
GpTypeV17 gpType = GetGpType(type);
WriteDelegate delegate2 = writeMethods[(int)gpType];
if (delegate2 != null)
{
stream.WriteByte((byte)gpType);
delegate2(stream, value);
}
else
{
CustomTypeInfo info;
if (CustomTypeCache.TryGet(type, out info))
{
WriteCustomType(stream, info, value, true);
}
else if (type == typeof(RawCustomValue))
{
WriteCustomType(stream, (RawCustomValue)value, true);
}
else
{
if (type != typeof(RawCustomArray))
{
throw new InvalidDataException("cannot serialize(): " + type);
}
WriteCustomTypeArray(stream, (RawCustomArray)value, true);
}
}
}
}
}
public static bool ReadCustomType(byte[] data, ref int offset, out object result)
{
byte num;
CustomTypeInfo info;
uint num2;
byte[] buffer;
if (!BigEndianReader.TryReadByte(data, ref offset, out num))
{
result = null;
return(false);
}
if (!CustomTypeCache.TryGet(num, out info) && !Protocol.AllowRawCustomValues)
{
if (log.IsDebugEnabled)
{
log.DebugFormat("Could not find custom type for type code {0}", new object[] { num });
}
result = null;
return(false);
}
if (!TryReadCompresssedUInt32(data, ref offset, out num2))
{
result = null;
return(false);
}
if (!BigEndianReader.TryReadByteArray(data, ref offset, (int)num2, out buffer))
{
if (log.IsDebugEnabled)
{
log.DebugFormat("Invalid length for custom type: length={0}, bytesLeft={1}", new object[] { num2, data.Length - offset });
}
result = null;
return(false);
}
result = (info != null) ? info.DeserializeFunction(buffer) : new RawCustomValue(num, buffer);
return(true);
}
/// <summary>
/// Serializes an object.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="value">The object to write.</param>
/// <param name="setType">The set type.</param>
/// <exception cref="T:System.IO.InvalidDataException">
/// The type of the <paramref name="value"/> can not be serialized.
/// </exception>
/// <exception cref="T:System.ArrayTypeMismatchException">
/// A collection with different types can not be serialized.
/// </exception>
private static void Write(IBinaryWriter writer, object value, bool setType)
{
Type type = (value == null) ? null : value.GetType();
GpType gpType = GpBinaryByteTypeConverter.GetGpType(type);
GpType type3 = gpType;
if (type3 != GpType.Unknown)
{
if ((type3 == GpType.Array) && (value is byte[]))
{
gpType = GpType.ByteArray;
}
}
else
{
CustomTypeInfo info;
if (type == typeof(RawCustomArray))
{
WriteCustomTypeArray(writer, (RawCustomArray)value, true);
return;
}
if (CustomTypeCache.TryGet(type, out info))
{
if (setType)
{
writer.WriteByte(0x63);
}
WriteCustomType(writer, info, value);
return;
}
if (type != typeof(RawCustomValue))
{
throw new InvalidDataException("cannot serialize(): " + type);
}
if (setType)
{
writer.WriteByte(0x63);
}
WriteCustomType(writer, (RawCustomValue)value);
return;
}
if (setType)
{
writer.WriteByte((byte)gpType);
}
GpType type4 = gpType;
if (type4 != GpType.Null)
{
switch (type4)
{
case GpType.Byte:
writer.WriteByte((byte)value);
return;
case GpType.Custom:
WriteCustomType(writer, (RawCustomValue)value);
return;
case GpType.Double:
writer.WriteDouble((double)value);
return;
case GpType.EventData:
WriteEventData(writer, (EventData)value);
return;
case GpType.Float:
writer.WriteSingle((float)value);
return;
case GpType.Hashtable:
WriteHashTable(writer, (Hashtable)value);
return;
case GpType.Integer:
writer.WriteInt32((int)value);
return;
case GpType.Short:
writer.WriteInt16((short)value);
return;
case GpType.Long:
writer.WriteInt64((long)value);
return;
case GpType.Boolean:
writer.WriteBoolean((bool)value);
return;
case GpType.OperationResponse:
WriteOperationResponse(writer, (OperationResponse)value);
return;
case GpType.OperationRequest:
WriteOperationRequest(writer, (OperationRequest)value);
return;
case GpType.String:
writer.WriteUTF((string)value);
return;
case GpType.Vector:
WriteVector(writer, (IList)value);
return;
case GpType.ByteArray:
WriteByteArray(writer, (byte[])value);
return;
case GpType.Array:
WriteArray(writer, (IList)value);
return;
case GpType.ObjectArray:
WriteObjectArray(writer, (IList)value);
return;
case GpType.Dictionary:
WriteDictionary(writer, value);
return;
}
}
else
{
if (!setType)
{
throw new InvalidOperationException("cannot serialize null values inside an array");
}
return;
}
throw new InvalidDataException("Unexpected - cannot serialize gp type: " + gpType);
}
private static void WriteArray(Stream stream, Type type, object value)
{
Type elementType = type.GetElementType();
if (elementType == null)
{
throw new InvalidDataException(string.Format("Arraysof type {0} are not supported", type));
}
if (elementType.IsPrimitive)
{
switch (Type.GetTypeCode(elementType))
{
case TypeCode.Boolean:
WriteBoolArray(stream, (bool[])value, true);
return;
case TypeCode.Byte:
stream.WriteByte(120);
WriteByteArray(stream, (byte[])value);
return;
case TypeCode.Int16:
stream.WriteByte(0xeb);
WriteInt16Array(stream, (short[])value);
return;
case TypeCode.Int32:
WriteInt32ArrayCompressed(stream, (int[])value, true);
return;
case TypeCode.Int64:
WriteInt64ArrayCompressed(stream, (long[])value, true);
return;
case TypeCode.Single:
WriteSingleArray(stream, (float[])value, true);
return;
case TypeCode.Double:
WriteDoubleArray(stream, (double[])value, true);
return;
}
}
if (elementType.IsArray)
{
WriteArrayInArray(stream, value);
}
if (elementType == typeof(string))
{
WriteStringArray(stream, (string[])value, true);
}
else if (elementType == typeof(object))
{
stream.WriteByte(0x7a);
WriteObjectArray(stream, (object[])value);
}
else if (elementType == typeof(Hashtable))
{
Hashtable[] hashtableArray = (Hashtable[])value;
stream.WriteByte(0xe8);
WriteIntLength(stream, hashtableArray.Length);
foreach (Hashtable hashtable in hashtableArray)
{
WriteHashTable(stream, hashtable);
}
}
else
{
CustomTypeInfo info;
if (elementType.IsGenericType)
{
Type genericTypeDefinition = elementType.GetGenericTypeDefinition();
if (typeof(Dictionary <,>) == genericTypeDefinition)
{
WriteDelegate delegate2;
WriteDelegate delegate3;
IDictionary[] dictionaryArray = (IDictionary[])value;
stream.WriteByte(0xc4);
WriteDictionaryHeader(stream, elementType, out delegate2, out delegate3);
WriteIntLength(stream, dictionaryArray.Length);
foreach (IDictionary dictionary in dictionaryArray)
{
WriteDictionaryElements(stream, dictionary, delegate2, delegate3);
}
}
}
if (CustomTypeCache.TryGet(elementType, out info))
{
WriteCustomTypeArray(stream, info, (IList)value);
}
}
}
private static bool ReadDictionary(IBinaryReader reader, out object result)
{
ReadDelegate readDelegate;
Type clrArrayType;
ReadDelegate delegate3;
Type dictArrayType;
result = null;
GpType gpType = (GpType)reader.ReadByte();
if (gpType == GpType.Unknown)
{
clrArrayType = typeof(object);
readDelegate = new ReadDelegate(GpBinaryByteReader.Read);
}
else
{
clrArrayType = GpBinaryByteTypeConverter.GetClrArrayType(gpType);
readDelegate = GetReadDelegate(gpType);
}
GpType type3 = (GpType)reader.ReadByte();
switch (type3)
{
case GpType.Unknown:
dictArrayType = typeof(object);
delegate3 = new ReadDelegate(GpBinaryByteReader.Read);
break;
case GpType.Dictionary:
dictArrayType = ReadDictionaryType(reader);
delegate3 = new ReadDelegate(GpBinaryByteReader.ReadDictionary);
break;
case GpType.Array:
dictArrayType = GetDictArrayType(reader);
delegate3 = new ReadDelegate(GpBinaryByteReader.ReadArray);
break;
case GpType.ObjectArray:
dictArrayType = typeof(object[]);
delegate3 = new ReadDelegate(GpBinaryByteReader.ReadObjectArray);
break;
case GpType.Custom:
CustomTypeInfo info;
if (!CustomTypeCache.TryGet(reader.ReadByte(), out info))
{
return(false);
}
dictArrayType = info.Type;
delegate3 = new ReadDelegate(GpBinaryByteReader.ReadCustomType);
break;
default:
dictArrayType = GpBinaryByteTypeConverter.GetClrArrayType(type3);
delegate3 = GetReadDelegate(type3);
if ((dictArrayType == null) || (delegate3 == null))
{
return(false);
}
break;
}
IDictionary dictionary = Activator.CreateInstance(typeof(Dictionary <,>).MakeGenericType(new Type[] { clrArrayType, dictArrayType })) as IDictionary;
if (dictionary == null)
{
return(false);
}
short num2 = reader.ReadInt16();
for (int i = 0; i < num2; i++)
{
object obj2;
object obj3;
if (!readDelegate(reader, out obj2))
{
return(false);
}
if (!delegate3(reader, out obj3))
{
return(false);
}
dictionary.Add(obj2, obj3);
}
result = dictionary;
return(true);
}
private static bool ReadCustomTypeArray(byte[] data1, ref int offset, out object result)
{
uint num;
CustomTypeInfo info;
if (!TryReadCompresssedUInt32(data1, ref offset, out num))
{
if (log.IsDebugEnabled)
{
log.DebugFormat("Could not read size of custom type array custom type", new object[0]);
}
result = null;
return(false);
}
if (offset >= data1.Length)
{
result = null;
return(false);
}
byte typeCode = data1[offset++];
if (!CustomTypeCache.TryGet(typeCode, out info) && !Protocol.AllowRawCustomValues)
{
if (log.IsDebugEnabled)
{
log.DebugFormat("Could not find custom type for type code {0}", new object[] { typeCode });
}
result = null;
return(false);
}
if (info != null)
{
Array array = Array.CreateInstance(info.Type, new long[] { (long)num });
for (short i = 0; i < num; i = (short)(i + 1))
{
uint num4;
byte[] buffer;
if (!TryReadCompresssedUInt32(data1, ref offset, out num4))
{
result = null;
return(false);
}
if (!BigEndianReader.TryReadByteArray(data1, ref offset, (int)num4, out buffer))
{
result = null;
return(false);
}
object obj2 = info.DeserializeFunction(buffer);
array.SetValue(obj2, (int)i);
}
result = array;
}
else
{
RawCustomArray array2 = new RawCustomArray(typeCode, (int)num);
for (short j = 0; j < num; j = (short)(j + 1))
{
uint num6;
byte[] buffer2;
if (!TryReadCompresssedUInt32(data1, ref offset, out num6))
{
result = null;
return(false);
}
if (!BigEndianReader.TryReadByteArray(data1, ref offset, (int)num6, out buffer2))
{
result = null;
return(false);
}
array2[j] = buffer2;
}
result = array2;
}
return(true);
}