47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
#ifndef _TinyIP_UDP_H_
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#define _TinyIP_UDP_H_
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#include "TinyIP.h"
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// Udp会话
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class UdpSocket : public TinySocket, public ITransport, public Socket
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{
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private:
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public:
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//ushort Port; // 本地端口，接收该端口数据包。0表示接收所有端口的数据包
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//ushort BindPort; // 绑定端口，用于发出数据包的源端口。默认为Port，若Port为0，则从1024算起，累加
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//IPEndPoint Remote; // 远程地址。默认发送数据的目标地址
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IPEndPoint CurRemote; // 远程地址。本次收到数据的远程地址
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IPEndPoint CurLocal; // 本地地址
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UdpSocket(TinyIP* tip);
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// 处理数据包
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virtual bool Process(IP_HEADER& ip, Stream& ms);
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// 收到Udp数据时触发，传递结构体和负载数据长度。返回值指示是否向对方发送数据包
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typedef bool (*UdpHandler)(UdpSocket& socket, UDP_HEADER& udp, IPEndPoint& remote, Stream& ms);
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UdpHandler OnReceived;
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// 发送数据
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virtual bool Send(const Buffer& bs);
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// 接收数据
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virtual uint Receive(Buffer& bs);
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//virtual cstring ToString() const;
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virtual String& ToStr(String& str) const;
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protected:
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void SendPacket(UDP_HEADER& udp, uint len, IPAddress& ip, ushort port, bool checksum = true);
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virtual void OnProcess(IP_HEADER& ip, UDP_HEADER& udp, Stream& ms);
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virtual bool OnOpen();
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virtual void OnClose();
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virtual bool OnWrite(const Buffer& bs);
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virtual uint OnRead(Buffer& bs);
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};
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#endif
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