ByteBuffer.WriteBytes C# (CSharp) Method

    public void WriteBytes(byte[] v)
    {
        mBinaryWriter.Write((int)v.Length);
        mBinaryWriter.Write(v);
    }

        /// <summary>
        /// 编码
        /// </summary>
        public override void Encode(ByteBuffer sendBuffer, System.Object packageObj)
        {
            DefaultNetworkPackage package = (DefaultNetworkPackage)packageObj;

            if (package == null)
            {
                HandleError(false, $"The package object is invalid : {packageObj.GetType()}");
                return;
            }

            // 检测逻辑是否合法
            if (package.IsHotfixPackage)
            {
                if (package.BodyBytes == null)
                {
                    HandleError(false, $"The package BodyBytes field is null : {packageObj.GetType()}");
                    return;
                }
            }
            else
            {
                if (package.MsgObj == null)
                {
                    HandleError(false, $"The package MsgObj field is null : {packageObj.GetType()}");
                    return;
                }
            }

            // 获取包体数据
            byte[] bodyData;
            if (package.IsHotfixPackage)
            {
                bodyData = package.BodyBytes;
            }
            else
            {
                bodyData = EncodeInternal(package.MsgObj);
            }

            // 检测包体长度
            if (bodyData.Length > PackageBodyMaxSize)
            {
                HandleError(false, $"The package {package.MsgID} body size is larger than NetworkDefine.PackageBodyMaxSize");
                return;
            }

            // 写入长度
            int packetSize = (int)MessageIDFieldType + bodyData.Length;

            if (PackageSizeFieldType == EPackageSizeFieldType.UShort)
            {
                // 检测是否越界
                if (packetSize > ushort.MaxValue)
                {
                    HandleError(true, $"The package {package.MsgID} size is larger than ushort.MaxValue.");
                    return;
                }
                sendBuffer.WriteUShort((ushort)packetSize);
            }
            else
            {
                sendBuffer.WriteInt(packetSize);
            }

            // 写入包头
            {
                // 写入消息ID
                if (MessageIDFieldType == EMessageIDFieldType.UShort)
                {
                    // 检测是否越界
                    if (package.MsgID > ushort.MaxValue)
                    {
                        HandleError(true, $"The package {package.MsgID} ID is larger than ushort.MaxValue");
                        return;
                    }
                    sendBuffer.WriteUShort((ushort)package.MsgID);
                }
                else
                {
                    sendBuffer.WriteInt(package.MsgID);
                }
            }

            // 写入包体
            sendBuffer.WriteBytes(bodyData, 0, bodyData.Length);
        }