Option Explicit Const SOCKET_ERROR = 0 Private Type WSAdata wVersion As Integer wHighVersion As Integer szDescription(0 To 255) As Byte szSystemStatus(0 To 128) As Byte iMaxSockets As Integer iMaxUdpDg As Integer lpVendorInfo As Long End Type Private Type Hostent h_name As Long h_aliases As Long h_addrtype As Integer h_length As Integer h_addr_list As Long End Type Private Type IP_OPTION_INFORMATION TTL As Byte Tos As Byte Flags As Byte OptionsSize As Long OptionsData As String * 128 End Type Private Type IP_ECHO_REPLY Address(0 To 3) As Byte Status As Long RoundTripTime As Long DataSize As Integer Reserved As Integer data As Long Options As IP_OPTION_INFORMATION End Type Private Declare Function GetHostByName Lib "wsock32.dll" Alias "gethostbyname" (ByVal HostName As String) As Long Private Declare Function WSAStartup Lib "wsock32.dll" (ByVal wVersionRequired&, lpWSAdata As WSAdata) As Long Private Declare Function WSACleanup Lib "wsock32.dll" () As Long Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, hpvSource As Any, ByVal cbCopy As Long) Private Declare Function IcmpCreateFile Lib "icmp.dll" () As Long Private Declare Function IcmpCloseHandle Lib "icmp.dll" (ByVal HANDLE As Long) As Boolean Private Declare Function IcmpSendEcho Lib "ICMP" (ByVal IcmpHandle As Long, ByVal DestAddress As Long, ByVal RequestData As String, ByVal RequestSize As Integer, RequestOptns As IP_OPTION_INFORMATION, ReplyBuffer As IP_ECHO_REPLY, ByVal ReplySize As Long, ByVal TimeOut As Long) As Boolean Private Sub Form_Load() Const HostName = "163.com" Dim hFile&, AddrList&, Address&, rIP$ Dim lpWSAdata As WSAdata, hHostent As Hostent, OptInfo As IP_OPTION_INFORMATION, EchoReply As IP_ECHO_REPLY Call WSAStartup(&H101, lpWSAdata) If GetHostByName(HostName + String(64 - Len(HostName), 0)) <> SOCKET_ERROR Then CopyMemory hHostent.h_name, ByVal GetHostByName(HostName & String(64 - Len(HostName), 0)), Len(hHostent) CopyMemory AddrList, ByVal hHostent.h_addr_list, 4 CopyMemory Address, ByVal AddrList, 4 End If hFile = IcmpCreateFile() If hFile = 0 Then MsgBox "检测失败": Exit Sub OptInfo.TTL = 255 If IcmpSendEcho(hFile, Address, String(32, "A"), 32, OptInfo, EchoReply, Len(EchoReply) + 8, 2000) Then rIP = CStr(EchoReply.Address(0)) & "." & CStr(EchoReply.Address(1)) & "." & CStr(EchoReply.Address(2)) & "." & CStr(EchoReply.Address(3)) Else MsgBox "Timeout" End If If EchoReply.Status = 0 Then MsgBox HostName & " 的IP地址是: " & rIP & " 共使用 " & CStr(EchoReply.RoundTripTime) & " 毫秒" Else MsgBox "检测失败 ..." End If Call IcmpCloseHandle(hFile) Call WSACleanup End Sub
Const SOCKET_ERROR = 0
Private Type WSAdata
wVersion As Integer
wHighVersion As Integer
szDescription(0 To 255) As Byte
szSystemStatus(0 To 128) As Byte
iMaxSockets As Integer
iMaxUdpDg As Integer
lpVendorInfo As Long
End Type
Private Type Hostent
h_name As Long
h_aliases As Long
h_addrtype As Integer
h_length As Integer
h_addr_list As Long
End Type
Private Type IP_OPTION_INFORMATION
TTL As Byte
Tos As Byte
Flags As Byte
OptionsSize As Long
OptionsData As String * 128
End Type
Private Type IP_ECHO_REPLY
Address(0 To 3) As Byte
Status As Long
RoundTripTime As Long
DataSize As Integer
Reserved As Integer
data As Long
Options As IP_OPTION_INFORMATION
End Type
Private Declare Function GetHostByName Lib "wsock32.dll" Alias "gethostbyname" (ByVal HostName As String) As Long
Private Declare Function WSAStartup Lib "wsock32.dll" (ByVal wVersionRequired&, lpWSAdata As WSAdata) As Long
Private Declare Function WSACleanup Lib "wsock32.dll" () As Long
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, hpvSource As Any, ByVal cbCopy As Long)
Private Declare Function IcmpCreateFile Lib "icmp.dll" () As Long
Private Declare Function IcmpCloseHandle Lib "icmp.dll" (ByVal HANDLE As Long) As Boolean
Private Declare Function IcmpSendEcho Lib "ICMP" (ByVal IcmpHandle As Long, ByVal DestAddress As Long, ByVal RequestData As String, ByVal RequestSize As Integer, RequestOptns As IP_OPTION_INFORMATION, ReplyBuffer As IP_ECHO_REPLY, ByVal ReplySize As Long, ByVal TimeOut As Long) As Boolean
Private Sub Form_Load()
Const HostName = "163.com"
Dim hFile&, AddrList&, Address&, rIP$
Dim lpWSAdata As WSAdata, hHostent As Hostent, OptInfo As IP_OPTION_INFORMATION, EchoReply As IP_ECHO_REPLY
Call WSAStartup(&H101, lpWSAdata)
If GetHostByName(HostName + String(64 - Len(HostName), 0)) <> SOCKET_ERROR Then
CopyMemory hHostent.h_name, ByVal GetHostByName(HostName & String(64 - Len(HostName), 0)), Len(hHostent)
CopyMemory AddrList, ByVal hHostent.h_addr_list, 4
CopyMemory Address, ByVal AddrList, 4
End If
hFile = IcmpCreateFile()
If hFile = 0 Then MsgBox "检测失败": Exit Sub
OptInfo.TTL = 255
If IcmpSendEcho(hFile, Address, String(32, "A"), 32, OptInfo, EchoReply, Len(EchoReply) + 8, 2000) Then
rIP = CStr(EchoReply.Address(0)) & "." & CStr(EchoReply.Address(1)) & "." & CStr(EchoReply.Address(2)) & "." & CStr(EchoReply.Address(3))
Else
MsgBox "Timeout"
End If
If EchoReply.Status = 0 Then
MsgBox HostName & " 的IP地址是: " & rIP & " 共使用 " & CStr(EchoReply.RoundTripTime) & " 毫秒"
Else
MsgBox "检测失败 ..."
End If
Call IcmpCloseHandle(hFile)
Call WSACleanup
End Sub