parser.h

< WINDOWS网络编程>>英文版,一本详细讲解WINDOWS平台下网络编程的国外经典书籍,适合英文水平高的牛人

//
// Sample: Parse common routines for the SIO_RCVALL sample
// 
// Files:
//      parser.h     - this file
//
// Description:
//      This file contains definitions for the parser print routines used
//      by the SIO_RCVALL sample.
//      
// Compile:
//      See rcvall.cpp
//
// Usage
//      See rcvall.cpp
//
#ifndef _RCVALL_H_
#define _RCVALL_H_

#include <winsock2.h>
#include <windows.h>

#define MAX_IP_SIZE        65535
#define MIN_IP_HDR_SIZE       20

#define HI_WORD(byte)    (((byte) >> 4) & 0x0F)
#define LO_WORD(byte)    ((byte) & 0x0F)

extern char *szProto[];



void PrintRawBytes   (BYTE *ptr, DWORD len);
int  DecodeIGMPHeader(WSABUF *wsabuf, DWORD iphdrlen, DWORD iptotallen);
int  DecodeUDPHeader (WSABUF *wsabuf, DWORD iphdrlen);
int  DecodeTCPHeader (WSABUF *wsabuf, DWORD iphdrlenz);
int  DecodeIPHeader  (WSABUF *wasbuf, unsigned int srcaddr,
        unsigned short srcport, unsigned int destaddr, unsigned short destport);

#endif