private LIST_FILE_RAW_TYPE_INFO CreatRawLink()
{
if (_listRawTypeInfos == null)
{
_listRawTypeInfos = new List <LIST_FILE_RAW_TYPE_INFO>();
try
{
StringBuilder sb = new StringBuilder();
sb.AppendFormat("select * from FileClass where 1 <> 1 ");
RAW_TYPES.ForEach(s => sb.AppendFormat(" or FileType = {0} ", s));
SqliteContext sql = new SqliteContext(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "FileRawTypeLib.db"));
DataTable dt = sql.FindDataTable(sb.ToString());
IntPtr lastPtr = IntPtr.Zero;
foreach (DataRow dr in dt.Rows)
{
FILE_RAW_TYPE_INFO raw = new FILE_RAW_TYPE_INFO();
raw.FileType = dr["FileExName"].ToSafeString().Replace(";", "_"); //dr["FileTypeName"].ToSafeString();
raw.Size = dr["FileDefaultSize"].ToSafeString().ToSafeInt();
raw.ExtensionName = dr["FileExName"].ToSafeString();
raw.HeadMagic = dr["FileHeadFlag"].ToSafeString();
raw.HeadOffsetBytes = (ushort)dr["FileHeadBeginPos"].ToSafeString().ToSafeInt();
raw.FootMagic = dr["FileEndFlag"].ToSafeString();
raw.FootOffsetBytes = dr["FileEndPOS"].ToSafeString().ToSafeInt();
raw.HeadLen = dr["FileHeadLength"].ToSafeString().ToSafeInt();
raw.FootLen = 0;
LIST_FILE_RAW_TYPE_INFO rawlist = new LIST_FILE_RAW_TYPE_INFO();
rawlist.Check = 1; //0 - 不检查, 1 - 检查
rawlist.Num = 0;
rawlist.rt = raw;
rawlist.next = lastPtr;
int size = Marshal.SizeOf(rawlist);
IntPtr rawptr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(rawlist, rawptr, true);
_listRawTypeInfos.Add(rawlist);
lastPtr = rawptr;
}
}
catch (Exception ex)
{
LoggerManagerSingle.Instance.Error("获取Raw文件类型失败！", ex);
}
}
return(_listRawTypeInfos.Count > 0 ? _listRawTypeInfos[_listRawTypeInfos.Count - 1] : new LIST_FILE_RAW_TYPE_INFO());
}
private FNodeX ScanFileSystem(IFileSystemDevice device, FileSystemPartition partition)
{
ScanCallBack callBack = (ref ScanCallBackData pdi) => { };
LINK_DIR_FILE_NODE_INFO link = new LINK_DIR_FILE_NODE_INFO();
LIST_FILE_RAW_TYPE_INFO raw = CreatRawLink();
try
{
var result = FileServiceCoreDll.ScanFiles(partition.Mount, callBack, ref link, device.ScanModel, ref raw, 0);
if (result != 0)
{
LoggerManagerSingle.Instance.Error(string.Format("获取文件系统(名称:{ 0},描述: { 1},大小: { 2})失败,错误码: { 3}", partition.Name, partition.Discription, partition.Size, result));
return(null);
}
partition.NodeLinkList = link;
}
catch (Exception ex)
{
LoggerManagerSingle.Instance.Error(string.Format("获取文件系统(名称:{0},描述:{1},大小:{2},Mount:{3})时底层dll出错", partition.Name, partition.Discription, partition.Size, partition.Mount), ex);
return(null);
}
// 构建当前分区节点
var treeNode = new FNodeX
{
Source = link.NodeDataInfo,
FileName = partition.VolName,
IsRoot = true,
IsPartition = true,
Key = link.NodeDataInfo.FileId,
ParentKey = link.NodeDataInfo.ParentFileId
};
// 加载树结构;
var source = BuildDataDictionary(link);
BuildTree(treeNode, source);
return(treeNode);
}
public static extern Int32 ScanFiles(IntPtr mountHandle, ScanCallBack lpfnprgs, ref LINK_DIR_FILE_NODE_INFO fileLinks, byte scanModel, ref LIST_FILE_RAW_TYPE_INFO rawList, int SnapFlag);
/// <summary>
/// 许工底层从磁盘中扫描文件
/// </summary>
/// <param name="mountHandle">分区mount成功后返回的句柄</param>
/// <param name="lpfnprgs">扫描过程中回调函数句柄</param>
/// <param name="fileLinks">底层可返回的文件链对象</param>
/// <param name="scanModel">底层扫描模式（快速、Raw..）</param>
/// <param name="rawList">Raw结构链</param>
/// <param name="SnapFlag">创建快照标志: 0 - 不保存, 1 - 保存</param>
/// <returns>返回成功与否的标识，0 -> Success</returns>
public Int32 ScanFilesEx(IntPtr mountHandle, ScanCallBack lpfnprgs, ref LINK_DIR_FILE_NODE_INFO fileLinks, byte scanModel, ref LIST_FILE_RAW_TYPE_INFO rawList, bool SnapFlag)
{
return(ScanFiles(mountHandle, lpfnprgs, ref fileLinks, scanModel, ref rawList, SnapFlag));
}
