Using Win32 functions in Visual FoxPro Image Gallery
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Retrieving configuration information for the specified server (Win2000/XP)

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Before you begin:
Check similar example Retrieving configuration information for the specified workstation (Win2000/XP).
 
DO decl
 
PRIVATE hBuffer, cServer
hBuffer = 0
 
* use Null as server name for local computer
*cServer = Null
 
* Windows NT: server name must begin with \\
* check with and without Unicode conversion
*cServer = STRCONV("\\MYSERVER"+CHR(0), 5)
 
* Windows XP
cServer = STRCONV("MYSERVER"+CHR(0), 5)
 
nResult = NetServerGetInfo(cServer, 101, @hBuffer)
IF nResult <> 0
*   53 = ERROR_BAD_NETPATH
*  123 = ERROR_INVALID_NAME
* 1113 = ERROR_NO_UNICODE_TRANSLATION
    ? "Error code:", nResult
ELSE
    DO ParseSrvInfo
    = NetApiBufferFree(hBuffer)
ENDIF
* end of main
 
PROCEDURE ParseSrvInfo
*|typedef struct _SERVER_INFO_101 {
*|  DWORD sv101_platform_id;
*|  LPWSTR sv101_name;
*|  DWORD sv101_version_major;
*|  DWORD sv101_version_minor;
*|  DWORD sv101_type;
*|  LPWSTR sv101_comment;
*|} SERVER_INFO_101, *PSERVER_INFO_101, *LPSERVER_INFO_101;
 
    LOCAL nBufsize, cBuffer
 
    * copying memory buffer to FoxPro string
    nBufsize = 0
    = NetApiBufferSize(hBuffer, @nBufsize)
    cBuffer = Repli(Chr(0), nBufsize)
    = CopyMemory(@cBuffer, hBuffer, nBufsize)
 
    LOCAL nPlatformId, nVerMajor, nVerMinor, nSoftType,;
        nNamePtr, nCommentPtr, cName, cComment
 
    nPlatformId = buf2dword(SUBSTR(cBuffer, 1,4))
    nNamePtr = buf2dword(SUBSTR(cBuffer, 5,4))
    nVerMajor = buf2dword(SUBSTR(cBuffer, 9,4))
    nVerMinor = buf2dword(SUBSTR(cBuffer, 13,4))
    nSoftType = buf2dword(SUBSTR(cBuffer, 17,4))
    nCommentPtr = buf2dword(SUBSTR(cBuffer, 21,4))
 
    cName = GetStr(cBuffer, nNamePtr-hBuffer+1, nBufsize)
    cComment = GetStr(cBuffer, nCommentPtr-hBuffer+1, nBufsize)
 
    ? "Platform ID:", nPlatformId
    ? "Major version:", nVerMajor
    ? "Minor version:", nVerMinor
    ? "Software type:", nSoftType
    ? "Server name:", cName
    ? "Description:", cComment
 
FUNCTION GetStr(cBuffer, nOffs, nMaxOffs)
    LOCAL cResult, ch
    cResult = ""
    DO WHILE nOffs < nMaxOffs
        ch = SUBSTR(cBuffer, nOffs, 2)
        IF ch = Chr(0)+Chr(0)
            EXIT
        ENDIF
        cResult = cResult + LEFT(ch,1)
        nOffs = nOffs + 2
    ENDDO
RETURN cResult
 
PROCEDURE decl
    DECLARE INTEGER NetServerGetInfo IN netapi32;
        STRING servername, INTEGER lvl, INTEGER @bufptr
 
    DECLARE INTEGER NetApiBufferFree IN netapi32 INTEGER Buffer
    DECLARE INTEGER GlobalSize IN kernel32 INTEGER hMem
 
    DECLARE INTEGER NetApiBufferSize IN netapi32;
        INTEGER Buffer, INTEGER @ByteCount
 
    DECLARE RtlMoveMemory IN kernel32 As CopyMemory; 
        STRING @Destination, INTEGER Source, INTEGER nLength 
 
FUNCTION buf2dword(lcBuffer)
RETURN Asc(SUBSTR(lcBuffer, 1,1)) + ;
    BitLShift(Asc(SUBSTR(lcBuffer, 2,1)),  8) +;
    BitLShift(Asc(SUBSTR(lcBuffer, 3,1)), 16) +;
    BitLShift(Asc(SUBSTR(lcBuffer, 4,1)), 24)
 
 
 

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2679 bytes  
Created: 2003-10-28 09:46:59  
Modified: 2004-06-01 19:09:29  
Visits in 7 days: 128  
Listed functions:
GlobalSize
NetApiBufferFree
NetApiBufferSize
NetServerGetInfo
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