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1、//PackCaptureDlg.h:headerfile#defineIPV4_WERSION4#defineIPV6_WERSION6#defineICMP_PACKET1#defineIGMP_PACKET2#defineTCP_PACKET6#defineEGP_PACKET8#defineUDP_packet17#defineOSPF_PACKET89classCPackCaptureDlg:publicCDialog{public://{{AFX_DATA(CFindHostDlg)enum{IDO=IDO_PACKCAPTURE_DIALOG};intm_Count;CSt
2、ringm_Packet;//}}AFX_DATAprotected://{{AFX_MSG(CFindHostDlg)afx_msgvoidOnCapture();//}}AFX_MSGprivate:typedefstructIP_HEAD//IP頭部結(jié)構(gòu){union{unsignedcharVersion;//版本(字節(jié)前四位)unsignedcharHeadLen;//頭部長度(字節(jié)后四位)};unsignedcharServiceType;//服務(wù)類型unsignedshortTotalLen;//總長度unsignedshortIdentifier;//標(biāo)識符union{un
3、signedshortFlags;//標(biāo)志位(字前三位)unsignedshortFragOffset;otherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarc
4、h,hehasbeentheNorthwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorderoftheCountypartyCommitteeSecretary,Ministersand//片偏移(字后13位)};unsignedcharTimeToLive;//生存周期unsignedcharProtocol;//協(xié)議unsignedshortHeadChecksum;//頭部校驗(yàn)
5、和unsignedintSourceAddr;//源IP地址unsignedintDestinAddr;//目的IP地址}ip_head;typedefstructICMP_HEAD//ICMP頭部結(jié)構(gòu){unsignedcharType;//類型unsignedcharCode;//代碼unsignedshortHeadChecksum;//頭部校驗(yàn)和unsignedshortIdentifior;//標(biāo)識符unsignedshortSequence;//序號}icmp_head;};//PackCaptureDlg.cpp:implementationfile#include"stda
6、fx.h"#include"PackCaptureDlg.h"#include"PackCapture.h"#include"winsock2.h"#include"ws2tcpip.h"#pragmacomment(lib,"ws2_32")#defineIO_RCVALL_WSAIOW(IOC_VENDOR,1)voidCPackCaptureDlg::OnCapture(){WSADATAWSAData;//建立與Socket庫綁定if(WSAStartup(MAKEWORD(2,2),&WSAData)!=0){MessageBox("WSAStartup初始化失敗!");ret
7、urn;}otherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommi