今天周末,看见同事为写一个Ping程序着急,我就改写了个Ping函数,给他,他不要,那算了,呵呵,贴出来,想要的同志可以“剪”去,
算是我送给大家的一个小礼物!
图:Ping通的情况
图:Ping失败的情况
下面是源代码(VB6):(完善的出错控制,所以是个好函数)
Option Explicit
Private Const IP_SUCCESS As Long = 0 Private Const IP_STATUS_BASE As Long = 11000 Private Const IP_BUF_TOO_SMALL As Long = (11000 + 1) Private Const IP_DEST_NET_UNREACHABLE As Long = (11000 + 2) Private Const IP_DEST_HOST_UNREACHABLE As Long = (11000 + 3) Private Const IP_DEST_PROT_UNREACHABLE As Long = (11000 + 4) Private Const IP_DEST_PORT_UNREACHABLE As Long = (11000 + 5) Private Const IP_NO_RESOURCES As Long = (11000 + 6) Private Const IP_BAD_OPTION As Long = (11000 + 7) Private Const IP_HW_ERROR As Long = (11000 + 8) Private Const IP_PACKET_TOO_BIG As Long = (11000 + 9) Private Const IP_REQ_TIMED_OUT As Long = (11000 + 10) Private Const IP_BAD_REQ As Long = (11000 + 11) Private Const IP_BAD_ROUTE As Long = (11000 + 12) Private Const IP_TTL_EXPIRED_TRANSIT As Long = (11000 + 13) Private Const IP_TTL_EXPIRED_REASSEM As Long = (11000 + 14) Private Const IP_PARAM_PROBLEM As Long = (11000 + 15) Private Const IP_SOURCE_QUENCH As Long = (11000 + 16) Private Const IP_OPTION_TOO_BIG As Long = (11000 + 17) Private Const IP_BAD_DESTINATION As Long = (11000 + 18) Private Const IP_ADDR_DELETED As Long = (11000 + 19) Private Const IP_SPEC_MTU_CHANGE As Long = (11000 + 20) Private Const IP_MTU_CHANGE As Long = (11000 + 21) Private Const IP_UNLOAD As Long = (11000 + 22) Private Const IP_ADDR_ADDED As Long = (11000 + 23) Private Const IP_GENERAL_FAILURE As Long = (11000 + 50) Private Const MAX_IP_STATUS As Long = (11000 + 50) Private Const IP_PENDING As Long = (11000 + 255) Private Const PING_TIMEOUT As Long = 500 Private Const WS_VERSION_REQD As Long = &H101 Private Const MIN_SOCKETS_REQD As Long = 1 Private Const SOCKET_ERROR As Long = -1 Private Const INADDR_NONE As Long = &HFFFFFFFF Private Const MAX_WSADescription As Long = 256 Private Const MAX_WSASYSStatus As Long = 128
Private Type ICMP_OPTIONS Ttl As Byte Tos As Byte Flags As Byte OptionsSize As Byte OptionsData As Long End Type
Private Type ICMP_ECHO_REPLY Address As Long status As Long RoundTripTime As Long DataSize As Long DataPointer As Long Options As ICMP_OPTIONS Data As String * 250 End Type
Private Type WSADATA wVersion As Integer wHighVersion As Integer szDescription(0 To MAX_WSADescription) As Byte szSystemStatus(0 To MAX_WSASYSStatus) As Byte wMaxSockets As Long wMaxUDPDG As Long dwVendorInfo As Long End Type
Private Declare Function IcmpCreateFile Lib "icmp.dll" () As Long Private Declare Function IcmpCloseHandle Lib "icmp.dll" (ByVal IcmpHandle As Long) As Long Private Declare Function IcmpSendEcho Lib "icmp.dll" (ByVal IcmpHandle As Long, ByVal DestinationAddress As Long, ByVal RequestData As String, ByVal RequestSize As Long, ByVal RequestOptions As Long, ReplyBuffer As ICMP_ECHO_REPLY, ByVal ReplySize As Long, ByVal Timeout As Long) As Long Private Declare Function WSAGetLastError Lib "wsock32" () As Long Private Declare Function WSAStartup Lib "wsock32" (ByVal wVersionRequired As Long, lpWSADATA As WSADATA) As Long Private Declare Function WSACleanup Lib "wsock32" () As Long Private Declare Function gethostname Lib "wsock32" (ByVal szHost As String, ByVal dwHostLen As Long) As Long Private Declare Function gethostbyname Lib "wsock32" (ByVal szHost As String) As Long Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (xDest As Any, xSource As Any, ByVal nbytes As Long) Private Declare Function inet_addr Lib "wsock32" (ByVal s As String) As Long Private Function GetStatusCode(status As Long) As String On Error GoTo Z Dim Msg As String Select Case status Case IP_SUCCESS: Msg = "ip success" Case INADDR_NONE: Msg = "inet_addr: bad IP format" Case IP_BUF_TOO_SMALL: Msg = "ip buf too_small" Case IP_DEST_NET_UNREACHABLE: Msg = "ip dest net unreachable" Case IP_DEST_HOST_UNREACHABLE: Msg = "ip dest host unreachable" Case IP_DEST_PROT_UNREACHABLE: Msg = "ip dest prot unreachable" Case IP_DEST_PORT_UNREACHABLE: Msg = "ip dest port unreachable" Case IP_NO_RESOURCES: Msg = "ip no resources" Case IP_BAD_OPTION: Msg = "ip bad option" Case IP_HW_ERROR: Msg = "ip hw_error" Case IP_PACKET_TOO_BIG: Msg = "ip packet too_big" Case IP_REQ_TIMED_OUT: Msg = "ip req timed out" Case IP_BAD_REQ: Msg = "ip bad req" Case IP_BAD_ROUTE: Msg = "ip bad route" Case IP_TTL_EXPIRED_TRANSIT: Msg = "ip ttl expired transit" Case IP_TTL_EXPIRED_REASSEM: Msg = "ip ttl expired reassem" Case IP_PARAM_PROBLEM: Msg = "ip param_problem" Case IP_SOURCE_QUENCH: Msg = "ip source quench" Case IP_OPTION_TOO_BIG: Msg = "ip option too_big" Case IP_BAD_DESTINATION: Msg = "ip bad destination" Case IP_ADDR_DELETED: Msg = "ip addr deleted" Case IP_SPEC_MTU_CHANGE: Msg = "ip spec mtu change" Case IP_MTU_CHANGE: Msg = "ip mtu_change" Case IP_UNLOAD: Msg = "ip unload" Case IP_ADDR_ADDED: Msg = "ip addr added" Case IP_GENERAL_FAILURE: Msg = "ip general failure" Case IP_PENDING: Msg = "ip pending" Case PING_TIMEOUT: Msg = "ping timeout" Case Else: [1] [2] 下一页 [网络技术]为什么能ping通IP地址,却不能访问对方电脑 [Web开发]SupeSite7.0数据调用模块参数详解 [网页制作]div+css实现网页模块或栏目拖动(即拖拽效果) [Delphi程序]编程动动手,Ping程序“跟你走”![原创] [Delphi程序]用delphi实现ping [Delphi程序]使用 ShellExecute 来进行 Ping 操作! [Web开发]Asp.net编写的PING工具 [SyBase]Linux学习笔记-网络相关ping finger nslookup ne… [MySql]使linux系统对ping不反应 [Sql Server]SQL Ping的工具
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