124 lines
2.2 KiB
C++
124 lines
2.2 KiB
C++
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#include "TokenDataMessage.h"
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#include "Message\BinaryPair.h"
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TokenDataMessage::TokenDataMessage() : Data(0)
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{
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ID = 0;
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Start = 0;
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Size = 0;
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HasSize = true;
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}
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TokenDataMessage::TokenDataMessage(const TokenDataMessage& msg) : MessageBase(msg)
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{
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ID = msg.ID;
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Start = msg.Start;
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Size = msg.Size;
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Data = msg.Data;
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}
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// 从数据流中读取消息
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bool TokenDataMessage::Read(Stream& ms)
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{
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BinaryPair bp(ms);
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bp.Get("ID", ID);
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bp.Get("Start", Start);
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bp.Get("Size", Size);
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bp.Get("Data", Data);
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// 自动设置长度，方便业务层使用
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if (Size == 0)
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{
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HasSize = false;
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Size = Data.Length();
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}
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return true;
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}
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// 把消息写入数据流中
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void TokenDataMessage::Write(Stream& ms) const
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{
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BinaryPair bp(ms);
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if(ID) bp.Set("ID", ID);
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bp.Set("Start", Start);
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if(HasSize && Size) bp.Set("Size", Size);
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if(Data.Length()) bp.Set("Data", Data);
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}
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// 读取数据
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bool TokenDataMessage::ReadData(DataStore& ds)
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{
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ByteArray bs(Size);
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int len = ds.Read(Start, bs);
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if(len < 0) return false;
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// 设置真实大小
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bs.SetLength(len);
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return ReadData(bs);
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}
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// 读取数据
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bool TokenDataMessage::ReadData(const Buffer& bs)
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{
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if(!Size) return false;
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TS("TokenDataMessage::ReadData");
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//int remain = bs.Length() - Start;
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//if(remain < 0) return false;
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//int len = Size;
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//if(len > remain) len = remain;
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//if (len > 0) Data = bs;// .Sub(Start, len);
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if (bs.Length() == 0) return false;
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Data = bs;
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return true;
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}
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// 写入数据
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bool TokenDataMessage::WriteData(DataStore& ds, bool withData)
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{
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TS("TokenDataMessage::WriteData");
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ds.Write(Start, Data);
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return true;
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}
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// 写入数据
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bool TokenDataMessage::WriteData(Buffer& bs, bool withData)
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{
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TS("TokenDataMessage::WriteData");
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bs.Copy(Data, Start);
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return true;
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}
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#if DEBUG
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// 显示消息内容
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String& TokenDataMessage::ToStr(String& str) const
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{
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str += "DataMsg";
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if (Reply) str += '#';
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if(ID) str = str + " ID:" + ID;
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str = str + " Start:" + Start;
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if(HasSize && Size) str = str + " Size:" + Size;
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if(Data)
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{
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str = str + " Data[" + Data.Length() + "]=";
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str += Data;
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}
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return str;
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}
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#endif
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