090831项目进展：smb资源的深层递归2

 

1，如果发现是可以连接的资源，进入函数AddConnectableRcs，深入一层遍历文件名。

            for(i = 0; i < cEntries; i++)
            {
                // Call an application-defined function to
                //  display the contents of the NETRESOURCE structures.
                // DisplayStruct(&lpnrLocal[i]);
                // 将以前的打印 改进为 挂载树
                CString strSmbFile(lpnrLocal[i].lpRemoteName);
                strSmbFile.Delete(0, cntDelete);
                HTREEITEM hItemChild = pTree->InsertItem(strSmbFile,0,1, hItemParent, TVI_LAST);

                if (RESOURCEUSAGE_CONNECTABLE == lpnrLocal[i].dwUsage
                    && RESOURCETYPE_DISK == lpnrLocal[i].dwType)
                {
                    AddConnectableRcs(&lpnrLocal[i], pTree, hItemChild);
                }
            }

 

2，AddConnectableRcs的定义：

DWORD AddConnectableRcs(LPNETRESOURCE lpConnectable, CTreeCtrl *pTree, HTREEITEM hItemParent) { if (NO_ERROR != WNetAddConnection2 (lpConnectable, NULL, NULL, 0)) { return -1; } WIN32_FIND_DATA FindFileData; HANDLE hFind; DWORD dwError; hFind = FindFirstFile(lpConnectable->lpRemoteName, &FindFileData); if (hFind == INVALID_HANDLE_VALUE) { DWORD dwErrorCode = GetLastError(); printf ("Invalid file handle. Error is %u/n", dwErrorCode); return (-1); } else { printf ("First file name is %s/n", FindFileData.cFileName); while (FindNextFile(hFind, &FindFileData) != 0) { // printf ("Next file name is %s/n", FindFileData.cFileName); HTREEITEM hItemChild = pTree->InsertItem(FindFileData.cFileName,0,1, hItemParent, TVI_LAST); } dwError = GetLastError(); FindClose(hFind); if (dwError != ERROR_NO_MORE_FILES) { printf ("FindNextFile error. Error is %u/n", dwError); return (-1); } } if (NO_ERROR != WNetCancelConnection2(lpConnectable->lpRemoteName, 0, TRUE)) { // error print cout << "WNetCancelConnection2 Failed!/n/n"; return -1; } return 0; }

注意使用WNetCancelConnection2，有开有关。

 

3，FindFirstFile函数返回了错误，使用GetLastError得到错误码是53

    hFind = FindFirstFile(lpConnectable->lpRemoteName, &FindFileData);
    if (hFind == INVALID_HANDLE_VALUE)
    {
        DWORD dwErrorCode = GetLastError();
        printf ("Invalid file handle. Error is %u/n", dwErrorCode);
        return (-1);
    }

 

4，使用system error codes在msdn这索引

ERROR_BAD_NETPATH  53   The network path was not found.

 

这个错误并不少见，明天具体看看原因。