public override async Task OnBinaryAsync(WebSocketEventArgs e, byte[] buffer)
{
var content = DeserializeFromBinary(buffer);
var response = await MessageControllerFactory.ProcessAsync(content);
if (response != null)
{
await SendTextAsync(e.SocketId, response);
}
}
public override async Task OnTextAsync(WebSocketEventArgs e, string text)
{
var content = DeserializeFromText(text);
var response = await MessageControllerFactory.ProcessAsync(content);
if (response != null)
{
await SendTextAsync(e.SocketId, response);
}
}
private void WriteValue(Stream stream, object obj, bool skipHeader = false)
{
var type = obj.GetType();
if (type == typeof(bool))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Bool);
}
stream.Write(BitConverter.GetBytes((bool)obj));
}
else if (type == typeof(byte))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Byte);
}
stream.WriteByte((byte)obj);
}
else if (type == typeof(sbyte))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.SByte);
}
stream.WriteByte((byte)obj);
}
else if (type == typeof(char))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Char);
}
stream.Write(BitConverter.GetBytes((char)obj));
}
else if (type == typeof(decimal))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Decimal);
}
var bits = decimal.GetBits((decimal)obj);
var bytes = new List <byte>();
foreach (var i in bits)
{
bytes.AddRange(BitConverter.GetBytes(i));
}
stream.Write(bytes.ToArray());
}
else if (type == typeof(double))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Double);
}
stream.Write(BitConverter.GetBytes((double)obj));
}
else if (type == typeof(float))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Float);
}
stream.Write(BitConverter.GetBytes((float)obj));
}
else if (type == typeof(int))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Int);
}
stream.Write(BitConverter.GetBytes((int)obj));
}
else if (type == typeof(uint))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.UInt);
}
stream.Write(BitConverter.GetBytes((uint)obj));
}
else if (type == typeof(long))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Long);
}
stream.Write(BitConverter.GetBytes((long)obj));
}
else if (type == typeof(ulong))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.ULong);
}
stream.Write(BitConverter.GetBytes((ulong)obj));
}
else if (type == typeof(short))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Short);
}
stream.Write(BitConverter.GetBytes((short)obj));
}
else if (type == typeof(ushort))
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.UShort);
}
stream.Write(BitConverter.GetBytes((ushort)obj));
}
else if (type == typeof(string))
{
var str = (string)obj;
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.String);
}
var bytes = Encoding.UTF8.GetBytes(str);
stream.Write(BitConverter.GetBytes(bytes.Length));
stream.Write(bytes);
}
else
{
if (type.IsEnum)
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Enum);
}
// TODO: using integer, but we should do a sizeof since we can set it in the declaration: enum MyType : long {...}
stream.Write(BitConverter.GetBytes((int)obj));
}
else if (type.IsArray)
{
stream.WriteByte((byte)TypeId.Array);
if (type.GetElementType() != null)
{
if (type.GetElementType().IsPrimitive)
{
var array = (Array)obj;
for (var i = 0; i < array.Length; i++)
{
WriteValue(stream, array.GetValue(i), (i > 0));
}
}
else
{
throw new NotImplementedException();
}
}
else
{
throw new NotSupportedException("An array should always have an Element type.");
}
}
else if (typeof(IList).IsAssignableFrom(type))
{
stream.WriteByte((byte)TypeId.List);
// TODO: we have a list.
throw new NotImplementedException();
}
else if (typeof(IDictionary).IsAssignableFrom(type))
{
stream.WriteByte((byte)TypeId.Dictionary);
// TODO: we have a dict -> key/value.
throw new NotImplementedException();
}
else
{
if (!skipHeader)
{
stream.WriteByte((byte)TypeId.Object);
}
// object: [nameHashed, propCount, properties]
var valueType = obj.GetType();
var classHash = MessageControllerFactory.GetClassHash(valueType);
WriteValue(stream, classHash, true);
var properties = valueType.GetProperties();
byte count = 0; // should be unlikely that we have more than 256 properties
foreach (var propertyInfo in properties)
{
if (propertyInfo.GetValue(obj) != null) // skip if value is null.
{
count++;
}
}
WriteValue(stream, count, true);
foreach (var propertyInfo in properties)
{
var value = propertyInfo.GetValue(obj);
if (value == null) // skip if value is null.
{
continue;
}
var hashValue = MessageControllerFactory.GetPropertyHash(propertyInfo);
WriteValue(stream, hashValue, true);
WriteValue(stream, value);
}
}
}
}
private object ReadValue(Stream stream, TypeId typeId)
{
var buffer = new byte[1024];
if (typeId == TypeId.Bool)
{
stream.Read(buffer, 0, sizeof(bool));
return(BitConverter.ToBoolean(buffer, 0));
}
if (typeId == TypeId.Byte)
{
stream.Read(buffer, 0, sizeof(byte));
return((byte)BitConverter.ToChar(buffer, 0));
}
if (typeId == TypeId.SByte)
{
stream.Read(buffer, 0, sizeof(sbyte));
return((sbyte)BitConverter.ToChar(buffer, 0));
}
if (typeId == TypeId.Char)
{
stream.Read(buffer, 0, sizeof(char));
return(BitConverter.ToChar(buffer, 0));
}
if (typeId == TypeId.Decimal)
{
throw new NotImplementedException();
}
if (typeId == TypeId.Double)
{
stream.Read(buffer, 0, sizeof(double));
return(BitConverter.ToDouble(buffer, 0));
}
if (typeId == TypeId.Float)
{
stream.Read(buffer, 0, sizeof(float));
return(BitConverter.ToSingle(buffer, 0));
}
if (typeId == TypeId.Int)
{
stream.Read(buffer, 0, sizeof(int));
return(BitConverter.ToInt32(buffer, 0));
}
if (typeId == TypeId.UInt)
{
stream.Read(buffer, 0, sizeof(uint));
return(BitConverter.ToUInt32(buffer, 0));
}
if (typeId == TypeId.Long)
{
stream.Read(buffer, 0, sizeof(long));
return(BitConverter.ToInt64(buffer, 0));
}
if (typeId == TypeId.ULong)
{
stream.Read(buffer, 0, sizeof(ulong));
return(BitConverter.ToUInt64(buffer, 0));
}
if (typeId == TypeId.Short)
{
stream.Read(buffer, 0, sizeof(short));
return(BitConverter.ToInt16(buffer, 0));
}
if (typeId == TypeId.UShort)
{
stream.Read(buffer, 0, sizeof(ushort));
return(BitConverter.ToUInt16(buffer, 0));
}
if (typeId == TypeId.String)
{
stream.Read(buffer, 0, sizeof(int));
var bufferLength = BitConverter.ToInt32(buffer, 0);
var tmpBuffer = buffer;
if (bufferLength >= buffer.Length)
{
tmpBuffer = new byte[bufferLength]; // TODO: if string too long
}
stream.Read(tmpBuffer, 0, bufferLength);
return(Encoding.UTF8.GetString(tmpBuffer, 0, bufferLength));
}
if (typeId == TypeId.Enum)
{
stream.Read(buffer, 0, sizeof(int));
return(BitConverter.ToInt32(buffer, 0));
}
if (typeId == TypeId.Array)
{
var elementTypeId = (TypeId)stream.ReadByte();
var count = (int)ReadValue(stream, TypeId.Int);
var array = new ArrayList();
for (var i = 0; i < count; i++)
{
array.Add(ReadValue(stream, elementTypeId));
}
return(array);
}
if (typeId == TypeId.Object)
{
var classHash = (uint)ReadValue(stream, TypeId.UInt);
var classHashItem = MessageControllerFactory.FindClassByHash(classHash);
var propCount = (byte)ReadValue(stream, TypeId.Byte);
if (classHashItem == null) // TODO: could just read the object and ignore it...
{
// just skip the object
for (var i = 0; i < propCount; i++)
{
ReadValue(stream, TypeId.UShort);
ReadValue(stream);
}
return(null);
}
else
{
var obj = Activator.CreateInstance(classHashItem.ClassType);
for (var i = 0; i < propCount; i++)
{
var propertyHash = (ushort)ReadValue(stream, TypeId.UShort);
var value = ReadValue(stream);
var propertyInfo = classHashItem.FindByHash(propertyHash);
if (propertyInfo != null) // if property isn't there, just skip it.
{
propertyInfo.SetValue(obj, value);
}
}
return(obj);
}
}
throw new NotImplementedException();
}
