public static void Send(this IEnumerable <Connection> target, int channelKey, MessageWriter message)
{
var payload = new MemoryWriter();
message(payload);
var buffer = payload.GetBuffer();
var length = payload.Length;
foreach (var conn in target)
{
conn.Send(channelKey, buffer, length);
}
}
internal static MemberSerializer[] CreateMemberSerializers(Expression obj, ParameterExpression writer)
{
return(obj.Type.GetRuntimeProperties()
.Where(x => x.CanRead && !x.GetMethod.IsStatic && (x.GetMethod.IsPublic || x.IsDefined(typeof(DataMemberAttribute))) && x.GetIndexParameters().Length == 0)
.Select(x => Tuple.Create(x as MemberInfo, Expression.Property(obj, x)))
.Concat(
obj.Type.GetRuntimeFields().Where(x => !x.IsStatic && (x.IsPublic || x.IsDefined(typeof(DataMemberAttribute))))
.Select(x => Tuple.Create(x as MemberInfo, Expression.Field(obj, x)))
)
.Where(x => !x.Item1.IsDefined(typeof(IgnoreDataMemberAttribute)))
.Select(x =>
{
//TODO?: Supporting EmitDefaultValue is difficult...
var dataMemberAttr = x.Item1.GetCustomAttribute <DataMemberAttribute>();
var customSerializer = x.Item1.GetCustomAttribute <CustomSerializerAttribute>()?.CustomSerializerType;
return dataMemberAttr == null
? Tuple.Create(-1, x.Item1.Name, x.Item2, customSerializer)
: Tuple.Create(dataMemberAttr.Order, dataMemberAttr.Name ?? x.Item1.Name, x.Item2, customSerializer);
})
.OrderBy(x => x.Item1)
.ThenBy(x => x.Item2)
.Select((x, i) =>
{
// nameBytes
// { '{' or ',', ... escaped string ..., ':' }
byte[] nameBytes;
using (var memWriter = new MemoryWriter())
{
WriteStringLiteral(memWriter, x.Item2);
var buffer = memWriter.GetBuffer();
nameBytes = new byte[buffer.Count + 2];
nameBytes[0] = i == 0 ? (byte)'{' : (byte)',';
nameBytes[nameBytes.Length - 1] = (byte)':';
Buffer.BlockCopy(buffer.Array, buffer.Offset, nameBytes, 1, buffer.Count);
}
return new MemberSerializer
{
WriteNameExpr = Expression.Call(writer, WriteBytesMethod, Expression.Constant(nameBytes)),
GetValueExpr = x.Item3,
CustomSerializer = x.Item4
};
})
.ToArray());
}
public void GeneralSerialization()
{
var writer = new MemoryWriter();
writer.Write(true);
writer.Write(123);
writer.Write(-0.25f);
writer.Write('c');
var guid = Guid.NewGuid();
writer.Write(guid);
writer.Write("Hello");
writer.Write(new Vector2(0.25f, -0.3f));
writer.Write(new Vector3(0.5f, -0.6f, 0.25f));
writer.Write(new Vector4(0.75f, -0.9f, -0.4f, 0.333f));
writer.Write(new Quaternion(0.75f, -0.9f, -0.4f, 0.333f));
var reader = new MemoryReader(writer.GetBuffer(), writer.Length);
Assert.True(reader.ReadBoolean());
Assert.AreEqual(123, reader.ReadInt32());
Assert.AreEqual(-0.25f, reader.ReadSingle());
Assert.AreEqual('c', reader.ReadChar());
Assert.AreEqual(guid, reader.ReadGuid());
Assert.AreEqual("Hello", reader.ReadString());
Assert.AreEqual(new Vector2(0.25f, -0.3f), reader.ReadVector2());
Assert.AreEqual(new Vector3(0.5f, -0.6f, 0.25f), reader.ReadVector3());
Assert.AreEqual(new Vector4(0.75f, -0.9f, -0.4f, 0.333f), reader.ReadVector4());
Assert.AreEqual(new Quaternion(0.75f, -0.9f, -0.4f, 0.333f), reader.ReadQuaternion());
}
