65 lines
1.1 KiB
C
65 lines
1.1 KiB
C
#ifndef __OEVERLAPPED_H__
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#define __OEVERLAPPED_H__
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#define IoSend 1 // 发送事件
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#define IoRecv 2 // 接收事件
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#define IoExit 3 // 退出系统
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#define MAX_PACKAGE_SIZE 2048 // 单次发送或接受包的大小
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#define MAX_USER_PACK_SIZE 65534 // 用户封包，单个包的最大字节数
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struct stOverlappedBase : public OVERLAPPED
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{
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UINT IoMode;
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WORD nClient;
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WSABUF WsaBuf;
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stOverlappedBase()
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{
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// init OVERLAPPED
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Internal=0;
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InternalHigh=0;
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Offset=0;
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OffsetHigh=0;
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hEvent=0;
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// init SOverlapped
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IoMode=0;
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nClient=0xFFFF;
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WsaBuf.buf=NULL;
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WsaBuf.len=0;
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}
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};
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struct stSendOverlapped : public stOverlappedBase
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{
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char *pBuffer; // 发送数据的缓存指针
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DWORD dwSentBytes; // 已经发送的字节数
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DWORD dwTotalBytes; // 当前包的总的字节数
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stSendOverlapped()
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{
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IoMode = IoSend;
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pBuffer = NULL;
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dwSentBytes = 0;
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dwTotalBytes = 0;
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}
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};
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struct stRecvOverlapped : public stOverlappedBase
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{
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char buffer[MAX_PACKAGE_SIZE]; // 接收缓存
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stRecvOverlapped()
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{
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memset(buffer, 0, MAX_PACKAGE_SIZE);
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IoMode = IoRecv;
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WsaBuf.buf=buffer;
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WsaBuf.len=MAX_PACKAGE_SIZE;
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}
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};
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#endif |