globaldef.h

来自「基于短消息的移动通信场强信号检测管理软件,软件基于PC,用于与嵌入式信号接收板通」· C头文件 代码 · 共 109 行

#if !defined(GLOBAL_DEF)
#define GLOBAL_DEF

#pragma pack(push)
#pragma pack(1)
struct IPHEADER
{
	//4-BIT VERSION,4-BIT HEADER LENGTh,8-BIT TYPE OF SERVICE(TOS),
	//16-BIT TOTAL LENGTH(IN BYTES)
	ULONG Version:4;
	ULONG HeaderLen:4;	
	ULONG ServiceType:8;
	ULONG TotalLen:16;

	//16-BIT IDENTIFICATION,3-BIT FLAGS,13-BIT FRAGMENT OFFSET]
	ULONG Identification:16;
	ULONG Flags:3;
	ULONG FragOffset:13;		
	

	//8-BIT TIME TO LIVE,8-BIT PROTOCOL,16-BIT HEADER CHECKSUM
	ULONG TTL:8;
	ULONG Protocol:8;
	ULONG HeaderCheckSum:16;

	//32-BIT SOURCE IP ADDRESS
	unsigned char SrcIpAddr[4];

	//32-BIT DESTINATION IP ADDRESS
	unsigned char DestIpAddr[4];

};

struct IPFRAME
{
	struct IPHEADER ipHeader;
	char OptionsAndData[1500];
	
};

struct MACFRAME
{
	//DESTINATION ADDRESS,SOURCE ADDRESS
	char DestMacAddr[6];
	char SrcMacAddr[6];

	union 
	{
		struct E8023UNTAGGED
		{
			short int Len;
			struct IPFRAME ipFrame;
		}E8023Untagged;
		struct E8023TAGGED
		{
			LONG ProtocolId:16;
			LONG TagField:16;
			short int Len;
			struct IPFRAME ipFrame;
		}E8023Tagged;
		struct EIIUNTAGGED
		{
			short int EType;
			struct IPFRAME ipFrame;
		}EIIUntagged;
		struct EIITAGGED
		{
			LONG ProtocolId:16;
			LONG TagField:16;
			short int EType;
			struct IPFRAME ipFrame;
		}EIITagged;
		struct ESNAPUNTAGGED
		{
			LONG Len:16;
			LONG Dsap:8;
			LONG Ssap:8;
			LONG Ctrl:8;
			LONG Org:24;
			short int EType;
			struct IPFRAME ipFrame;
		}ESnapUntagged;
		struct ESNAPTAGGED
		{
			LONG ProtocolId:16;
			LONG TagField:16;
			LONG Len:16;
			LONG Dsap:8;
			LONG Ssap:8;
			LONG Ctrl:8;
			LONG Org:24;
			short int EType;
			struct IPFRAME ipFrame;
		}ESnapTagged;
	}u_macData;
	DWORD FCS;
};
struct IPAddress
{
	BYTE nField0;
	BYTE nField1;
	BYTE nField2;
	BYTE nField3;
};
#pragma pack(pop)
#endif