public RabbitMQInvocation ReadInvocation(ReadOnlyMemory <byte> data)
        {
            // See WriteInvocation for the format
            ValidateArraySize(ref data, 2, "Invocation");

            // Read excluded Ids
            IReadOnlyList <string> excludedConnectionIds = null;
            var idCount = MessagePackUtil.ReadArrayHeader(ref data);

            if (idCount > 0)
            {
                var ids = new string[idCount];
                for (var i = 0; i < idCount; i++)
                {
                    ids[i] = MessagePackUtil.ReadString(ref data);
                }

                excludedConnectionIds = ids;
            }

            // Read payload
            var message = ReadSerializedHubMessage(ref data);

            return(new RabbitMQInvocation(message, excludedConnectionIds));
        }
        private static void ValidateArraySize(ref ReadOnlyMemory <byte> data, int expectedLength, string messageType)
        {
            var length = MessagePackUtil.ReadArrayHeader(ref data);

            if (length < expectedLength)
            {
                throw new InvalidDataException($"Insufficient items in {messageType} array.");
            }
        }
        public IReadOnlyList <string> ReadList(ReadOnlyMemory <byte> data)
        {
            IReadOnlyList <string> list = null;
            var itemCount = MessagePackUtil.ReadArrayHeader(ref data);

            if (itemCount > 0)
            {
                var items = new string[itemCount];
                for (var i = 0; i < itemCount; i++)
                {
                    items[i] = MessagePackUtil.ReadString(ref data);
                }
                list = items;
            }
            return(list);
        }