Private Declare Function WSACleanup Lib "WSOCK32" () As Long Private Declare Function WSAStartup Lib "WSOCK32" (ByVal wVersionRequired As Long, lpWSADATA As WSAData) 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 CopyMemoryIP Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, ByVal hpvSource As Long, ByVal cbCopy As Long)function Ping(byval sHostName as string)as boolean Dim lpHost As Long If WSAStartup(WS_VERSION_REQD, WSAD) <> ERROR_SUCCESS Then Exit Function lpHost = gethostbyname(sHostName) If lpHost = 0 Then GoTo CleanUp ping = true exit function CleanUp: Call WSACleanup end function e
有点长哦: Option ExplicitPrivate 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 = 128Public PingTime As Long Private Type ICMP_OPTIONS Ttl As Byte Tos As Byte Flags As Byte OptionsSize As Byte OptionsData As Long End TypePrivate 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 TypePrivate 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 TypePublic Declare Function timeGetTime Lib "winmm.dll" () 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 IcmpCreateFile Lib "icmp.dll" () As Long Private Declare Function inet_addr Lib "wsock32" (ByVal s As String) 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 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 Function GetStatusCode(status As Long) As String On Error GoTo ErrLine Dim Msg As String GetStatusCode = "" 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 port 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: Msg = "unknown msg returned" End Select GetStatusCode = Msg Exit Function ErrLine: End FunctionPrivate Function Ping(sAddress As String, sDataToSend As String, ECHO As ICMP_ECHO_REPLY) As Long On Error GoTo ErrLine Dim hPort As Long Dim dwAddress As Long dwAddress = inet_addr(sAddress) If dwAddress <> INADDR_NONE Then hPort = IcmpCreateFile() If hPort Then Call IcmpSendEcho(hPort, dwAddress, sDataToSend, Len(sDataToSend), 0, ECHO, Len(ECHO), PING_TIMEOUT) Ping = ECHO.status Call IcmpCloseHandle(hPort) End If Else Ping = INADDR_NONE End If Exit Function ErrLine: Ping = INADDR_NONE End FunctionPublic Function PingIP(ByVal szIp As String) As Boolean On Error GoTo ErrLine Dim WSAD As WSADATA Dim ECHO As ICMP_ECHO_REPLY Dim ret As Long 'Delay 150 PingIP = False PingTime = Empty If WSAStartup(WS_VERSION_REQD, WSAD) = IP_SUCCESS Then ret = Ping(Trim(szIp), "tanaya", ECHO) PingTime = ECHO.RoundTripTime If InStr(1, GetStatusCode(ret), "success") <> 0 Then WSACleanup PingIP = True PingTime = ECHO.RoundTripTime Exit Function End If End If Exit Function ErrLine: End Function 把代码贴到一个模块里,然后在窗体里调用: MSGBOX PINGIP("192.168.0.1") MSGBOX "Ping Time:" & PingTime
:P
不通和通的返回的都是个大于0的数
我怎么才能知道我要ping的网是通还是不通呢?
Private Declare Function WSAStartup Lib "WSOCK32" (ByVal wVersionRequired As Long, lpWSADATA As WSAData) 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 CopyMemoryIP Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, ByVal hpvSource As Long, ByVal cbCopy As Long)function Ping(byval sHostName as string)as boolean
Dim lpHost As Long
If WSAStartup(WS_VERSION_REQD, WSAD) <> ERROR_SUCCESS Then Exit Function
lpHost = gethostbyname(sHostName)
If lpHost = 0 Then GoTo CleanUp
ping = true
exit function
CleanUp:
Call WSACleanup
end function
e
Option ExplicitPrivate 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 = 128Public PingTime As Long
Private Type ICMP_OPTIONS
Ttl As Byte
Tos As Byte
Flags As Byte
OptionsSize As Byte
OptionsData As Long
End TypePrivate 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 TypePrivate 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 TypePublic Declare Function timeGetTime Lib "winmm.dll" () 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 IcmpCreateFile Lib "icmp.dll" () As Long
Private Declare Function inet_addr Lib "wsock32" (ByVal s As String) 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 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 Function GetStatusCode(status As Long) As String
On Error GoTo ErrLine
Dim Msg As String
GetStatusCode = ""
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 port 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: Msg = "unknown msg returned"
End Select
GetStatusCode = Msg
Exit Function
ErrLine:
End FunctionPrivate Function Ping(sAddress As String, sDataToSend As String, ECHO As ICMP_ECHO_REPLY) As Long
On Error GoTo ErrLine
Dim hPort As Long
Dim dwAddress As Long
dwAddress = inet_addr(sAddress)
If dwAddress <> INADDR_NONE Then
hPort = IcmpCreateFile()
If hPort Then
Call IcmpSendEcho(hPort, dwAddress, sDataToSend, Len(sDataToSend), 0, ECHO, Len(ECHO), PING_TIMEOUT)
Ping = ECHO.status
Call IcmpCloseHandle(hPort)
End If
Else
Ping = INADDR_NONE
End If
Exit Function
ErrLine:
Ping = INADDR_NONE
End FunctionPublic Function PingIP(ByVal szIp As String) As Boolean
On Error GoTo ErrLine
Dim WSAD As WSADATA
Dim ECHO As ICMP_ECHO_REPLY
Dim ret As Long
'Delay 150
PingIP = False
PingTime = Empty
If WSAStartup(WS_VERSION_REQD, WSAD) = IP_SUCCESS Then
ret = Ping(Trim(szIp), "tanaya", ECHO)
PingTime = ECHO.RoundTripTime
If InStr(1, GetStatusCode(ret), "success") <> 0 Then
WSACleanup
PingIP = True
PingTime = ECHO.RoundTripTime
Exit Function
End If
End If
Exit Function
ErrLine:
End Function
把代码贴到一个模块里,然后在窗体里调用:
MSGBOX PINGIP("192.168.0.1")
MSGBOX "Ping Time:" & PingTime