public MultiThreadDownloader(BaiduPCS pcs, PcsFileInfo from, string to,
string workfolder, int threadCount, int minSliceSize = MIN_SLICE_SIZE)
: base(pcs, from, to)
{
this.WorkFolder = workfolder;
this.ThreadCount = threadCount;
this.MinSliceSize = minSliceSize;
}
/// <summary>
/// 从非托管空间中复制出文件列表
/// </summary>
/// <param name="listPtr"></param>
/// <returns></returns>
public static PcsFileInfo[] GetFileListFromPcsFileInfoListPtr(IntPtr listPtr)
{
if (listPtr == IntPtr.Zero)
return null;
NativePcsFileInfoList nlist = (NativePcsFileInfoList)Marshal.PtrToStructure(listPtr, typeof(NativePcsFileInfoList));
PcsFileInfo[] r = new PcsFileInfo[nlist.count];
IntPtr itemPtr = nlist.link;
for (int i = 0; itemPtr != IntPtr.Zero && i < nlist.count; i++)
{
NativePcsFileInfoListItem item = (NativePcsFileInfoListItem)Marshal.PtrToStructure(itemPtr, typeof(NativePcsFileInfoListItem));
NativePcsFileInfo nfi = (NativePcsFileInfo)Marshal.PtrToStructure(item.info, typeof(NativePcsFileInfo));
PcsFileInfo fi = new PcsFileInfo(nfi);
r[i] = fi;
itemPtr = item.next;
}
return r;
}
private int CompareByFileModifyTime(PcsFileInfo x, PcsFileInfo y)
{
if (x.isdir && y.isdir)
{
return(0);
}
else if (x.isdir)
{
return(-1);
}
else if (y.isdir)
{
return(1);
}
else
{
return(x.server_mtime < y.server_mtime ? -1 : (x.server_mtime > y.server_mtime ? 1 : 0));
}
}
private int CompareByFileType(PcsFileInfo x, PcsFileInfo y)
{
if (x.isdir && y.isdir)
{
return(0);
}
else if (x.isdir)
{
return(-1);
}
else if (y.isdir)
{
return(1);
}
else
{
return(string.Compare(Path.GetExtension(x.server_filename), Path.GetExtension(y.server_filename)));
}
}
private int CompareByFileSize(PcsFileInfo x, PcsFileInfo y)
{
if (x.isdir && y.isdir)
{
return(0);
}
else if (x.isdir)
{
return(-1);
}
else if (y.isdir)
{
return(1);
}
else
{
return(x.size < y.size ? -1 : (x.size > y.size ? 1 : 0));
}
}
private int CompareByFileName(PcsFileInfo x, PcsFileInfo y)
{
if (x.isdir && y.isdir)
{
return(string.Compare(x.server_filename, y.server_filename));
}
else if (x.isdir)
{
return(-1);
}
else if (x.isdir)
{
return(1);
}
else
{
return(string.Compare(x.server_filename, y.server_filename));
}
}
/// <summary>
/// 从非托管空间中复制出文件列表
/// </summary>
/// <param name="listPtr"></param>
/// <returns></returns>
public static PcsFileInfo[] GetFileListFromPcsFileInfoListPtr(IntPtr listPtr)
{
if (listPtr == IntPtr.Zero)
{
return(null);
}
NativePcsFileInfoList nlist = (NativePcsFileInfoList)Marshal.PtrToStructure(listPtr, typeof(NativePcsFileInfoList));
PcsFileInfo[] r = new PcsFileInfo[nlist.count];
IntPtr itemPtr = nlist.link;
for (int i = 0; itemPtr != IntPtr.Zero && i < nlist.count; i++)
{
NativePcsFileInfoListItem item = (NativePcsFileInfoListItem)Marshal.PtrToStructure(itemPtr, typeof(NativePcsFileInfoListItem));
NativePcsFileInfo nfi = (NativePcsFileInfo)Marshal.PtrToStructure(item.info, typeof(NativePcsFileInfo));
PcsFileInfo fi = new PcsFileInfo(nfi);
r[i] = fi;
itemPtr = item.next;
}
return(r);
}
public int Compare(object x, object y)
{
int r, wt = Descending ? -1 : 1;
ListViewItem xitem = (ListViewItem)x;
ListViewItem yitem = (ListViewItem)y;
if (xitem.Tag != null && yitem.Tag != null)
{
if ((xitem.Tag is PcsFileInfo) && (yitem.Tag is PcsFileInfo))
{
PcsFileInfo xfi = (PcsFileInfo)xitem.Tag;
PcsFileInfo yfi = (PcsFileInfo)yitem.Tag;
switch (By)
{
case ComparerBy.FileName:
r = CompareByFileName(xfi, yfi);
break;
case ComparerBy.FileSize:
r = CompareByFileSize(xfi, yfi);
break;
case ComparerBy.FileType:
r = CompareByFileType(xfi, yfi);
break;
case ComparerBy.FileModifyTime:
r = CompareByFileModifyTime(xfi, yfi);
break;
default:
r = string.Compare(xitem.SubItems[Column].Text, yitem.SubItems[Column].Text);
break;
}
return(r * wt);
}
}
return(wt * string.Compare(xitem.SubItems[Column].Text, yitem.SubItems[Column].Text));
}
public frmMetaInformation(PcsFileInfo fileInfo)
{
InitializeComponent();
if (fileInfo.isdir)
{
txFileName.Text = fileInfo.server_filename;
txFileType.Text = "Directory";
txLocation.Text = fileInfo.path;
txSize.Text = fileInfo.size.ToString() + "Bytes (" + Utils.HumanReadableSize(fileInfo.size) + ")";
txCreateTime.Text = Utils.FromUnixTimeStamp(fileInfo.server_ctime).ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss");
txModifyTime.Text = Utils.FromUnixTimeStamp(fileInfo.server_mtime).ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss");
txMd5.Text = fileInfo.md5;
}
else
{
txFileName.Text = fileInfo.server_filename;
txFileType.Text = Path.GetExtension(fileInfo.server_filename);
txLocation.Text = fileInfo.path;
txSize.Text = fileInfo.size.ToString() + "Bytes (" + Utils.HumanReadableSize(fileInfo.size) + ")";
txCreateTime.Text = Utils.FromUnixTimeStamp(fileInfo.server_ctime).ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss");
txModifyTime.Text = Utils.FromUnixTimeStamp(fileInfo.server_mtime).ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss");
txMd5.Text = fileInfo.md5;
}
}
/// <summary>
/// 给出文件扩展名（.*），返回相应图标
/// </summary>
/// <param name="fileInfo"></param>
/// <param name="isLarge"></param>
/// <returns></returns>
public static Icon GetIcon(PcsFileInfo fileInfo, bool isLarge)
{
if (fileInfo.IsEmpty || string.IsNullOrEmpty(fileInfo.server_filename))
{
return(GetUnknowTypeIcon(isLarge));
}
if (fileInfo.isdir)
{
return(GetFolderIcon(isLarge));
}
string ext = Path.GetExtension(fileInfo.server_filename);
if (string.IsNullOrEmpty(ext))
{
return(GetUnknowTypeIcon(isLarge));
}
string key = "EXT_" + ext + "_" + isLarge;
if (cache.ContainsKey(key))
{
return((Icon)cache[key]);
}
RegistryKey regVersion = null;
string regFileType = null;
string regIconString = null;
string systemDirectory = Environment.SystemDirectory + "\\";
try
{
//读系统注册表中文件类型信息
regVersion = Registry.ClassesRoot.OpenSubKey(ext, true);
if (regVersion != null)
{
regFileType = regVersion.GetValue("") as string;
regVersion.Close();
regVersion = Registry.ClassesRoot.OpenSubKey(regFileType + @"\DefaultIcon", true);
if (regVersion != null)
{
regIconString = regVersion.GetValue("") as string;
regVersion.Close();
}
}
}
catch { }
Icon resultIcon = GetIcon(regIconString, isLarge);
if (resultIcon != null)
{
cache.Add(key, resultIcon);
return(resultIcon);
}
//后缀不是 ".exe"， 返回未知文件类型的图标
if (!string.Equals(ext, ".exe", StringComparison.InvariantCultureIgnoreCase))
{
return(GetUnknowTypeIcon(isLarge));
}
return(GetDefaultExeTypeIcon(isLarge));
}
public Downloader(BaiduPCS pcs, PcsFileInfo from, string to)
{
this.pcs = pcs;
this.from = from;
this.to = to;
}
