السلام عليكم
إخواني أريد مساعدة عاجلة أريد أن أقوم بإظهار أسماء وأرقام الIP لكل جهاز على الشبكة ..
فهل من مساعد جزاكم الله خير في إنجاز هذا البرنامج علما أني أريد أن أقوم بإنجازه بلغة c#
أرجو ممن لديه خبرة أن يقوم بمساعدتي أو إرشادي بأقر ب وقت ولكم جزيل الشكر
السلام عليكم , يا أخوان ما بعرف الفكرة وصلت ولا لأ ... عندي تطبييق شبكي يعمل بين جهازين على الشبكة المحلية , أريد بدلاً من أن أقوم بإدخال عنوان IP للطرف الآخر في أحد التطبيقات أن أقوم بعمل مسح للشبكة يظهر لي جميع الأجهزة المتصلة بحيث أريد أن يظهر لي اسم جهاز الكمبيوتر ورقم الأي بي IP الخاص به , من أجل أن أستفيد منه في تطبيقي لاحقاً . أظن أن الفكرة باتت أوضح الآن ...أرجو ممن لديه خبرة أو معرفة في هذا المجال أو من لديه برنامج يقوم بهذا العمل أن يقوم بمساعدتي .
أريد مثلاً تابع أو مكتبة في c# يقوم بإعطائي اسم الجهاز عند إعطاءه الIP وجدت هذا الكود
Option Explicit
'// define constants
Private Const IP_SUCCESS As Long = 0
Private Const SOCKET_ERROR As Long = -1
Private Const MAX_WSADescription As Long = 256
Private Const MAX_WSASYSStatus As Long = 128
Private Const MIN_SOCKETS_REQD As Long = 1
Private Const WS_VERSION_REQD As Long = &H101
Private Const WS_VERSION_MAJOR As Long = WS_VERSION_REQD \ &H100 And &HFF&
Private Const WS_VERSION_MINOR As Long = WS_VERSION_REQD And &HFF&
Private Const WSADescription_Len As Long = 256
Private Const WSASYS_Status_Len As Long = 128
Private Const AF_INET As Long = 2
'// structures
Private Type HOSTENT
hName As Long
hAliases As Long
hAddrType As Integer
hLength As Integer
hAddrList As Long
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
'// api
'kernel32
Private Declare Sub apiCopyMemory Lib "kernel32" Alias "RtlMoveMemory" (xDest As Any, xSource As Any, ByVal nBytes As Long)
Private Declare Function apiStrLen Lib "kernel32" Alias "lstrlenA" (lpString As Any) As Long
'wsock32
Private Declare Function apiGetHostByName Lib "wsock32.dll" Alias "gethostbyname" (ByVal hostname As String) As Long
Private Declare Function apiWSAStartup Lib "wsock32.dll" Alias "WSAStartup" (ByVal wVersionRequired As Long, lpWSADATA As WSADATA) As Long
Private Declare Function apiWSACleanup Lib "wsock32.dll" Alias "WSACleanup" () As Long
Private Declare Function apiInetAddr Lib "wsock32.dll" Alias "inet_addr" (ByVal s As String) As Long
Private Declare Function apiGetHostByAddr Lib "wsock32.dll" Alias "gethostbyaddr" (haddr As Long, ByVal hnlen As Long, ByVal addrtype As Long) As Long
'// private functions
Private Function InitializeSocket() As Boolean
Dim WSAD As WSADATA
'attempt to initialize the socket
InitializeSocket = apiWSAStartup(WS_VERSION_REQD, WSAD) = IP_SUCCESS
End Function
Private Sub CloseSocket()
'try to close the socket
If apiWSACleanup() <> 0 Then
MsgBox "Error calling apiWSACleanup.", vbCritical
End If
End Sub
Public Function GetIPFromHostName(ByVal sHostName As String) As String
'converts a host name to an IP address.
Dim nBytes As Long
Dim ptrHosent As Long
Dim hstHost As HOSTENT
Dim ptrName As Long
Dim ptrAddress As Long
Dim ptrIPAddress As Long
Dim sAddress As String 'declare this as Dim sAddress(1) As String if you want 2 ip addresses returned
'try to initalize the socket
If InitializeSocket() = True Then
'try to get the IP
ptrHosent = apiGetHostByName(sHostName & vbNullChar)
If ptrHosent <> 0 Then
'get the IP address
apiCopyMemory hstHost, ByVal ptrHosent, LenB(hstHost)
apiCopyMemory ptrIPAddress, ByVal hstHost.hAddrList, 4
'fill buffer
sAddress = Space$(4)
'if you want multiple domains returned,
'fill all items in sAddress array with 4 spaces
apiCopyMemory ByVal sAddress, ByVal ptrIPAddress, hstHost.hLength
'change this to
'CopyMemory ByVal sAddress(0), ByVal ptrIPAddress, hstHost.hLength
'if you want an array of ip addresses returned
'(some domains have more than one ip address associated with it)
'get the IP address
GetIPFromHostName = IPToText(sAddress)
'if you are using multiple addresses, you need IPToText(sAddress(0)) & "," & IPToText(sAddress(1))
'etc
End If
Else
MsgBox "Failed to open Socket."
End If
End Function
Private Function IPToText(ByVal IPAddress As String) As String
'converts characters to numbers
IPToText = CStr(Asc(IPAddress)) & "." & _
CStr(Asc(Mid$(IPAddress, 2, 1))) & "." & _
CStr(Asc(Mid$(IPAddress, 3, 1))) & "." & _
CStr(Asc(Mid$(IPAddress, 4, 1)))
End Function
Public Function GetHostNameFromIP(ByVal sIPAddress As String) As String
Dim ptrHosent As Long
Dim hAddress As Long
Dim sHost As String
Dim nBytes As Long
'try to open the socket
If InitializeSocket() = True Then
'convert string address to long datatype
hAddress = apiInetAddr(sIPAddress)
'check if an error ocucred
If hAddress <> SOCKET_ERROR Then
'obtain a pointer to the HOSTENT structure
'that contains the name and address
'corresponding to the given network address.
ptrHosent = apiGetHostByAddr(hAddress, 4, AF_INET)
If ptrHosent <> 0 Then
'convert address and
'get resolved hostname
apiCopyMemory ptrHosent, ByVal ptrHosent, 4
nBytes = apiStrLen(ByVal ptrHosent)
If nBytes > 0 Then
'fill the IP address buffer
sHost = Space$(nBytes)
apiCopyMemory ByVal sHost, ByVal ptrHosent, nBytes
GetHostNameFromIP = sHost
End If
Else
MsgBox "Call to gethostbyaddr failed."
End If
'close the socket
CloseSocket
Else
MsgBox "Invalid IP address"
End If
Else
MsgBox "Failed to open Socket"
End If
End Function
Using the class module is very simple. The following code gets the IP address of Microsoft.com, and resolves 66.111.65.129.
Private Sub cmdResolve_Click()
Dim cResolve As clsResolve
Set cResolve = New clsResolve
MsgBox cResolve.GetHostNameFromIP("66.111.65.129")
MsgBox cResolve.GetIPFromHostName("microsoft.com")
End Subولكنه مكتوب بلغة VB وأنا أريده بلغة c# ( مستعجل ما عندي الوقت الكافي لأفهمه في VB )
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