public static void RestoreDownloadConnection(DownloadInfo info)
{
try
{
var file = $"{info.Folder}\\{info.Name}";
if (!File.Exists(file))
{
return;
}
using (var s = File.OpenWrite(file))
{
if (s.Length != info.TotalLoad)
{
return;
}
info.LoadState = LoadState.Starting;
if (!info.IsVkd)
{
var executor = new DownloadExecutor();
executor.ProgressChanged += info.ProgressChangedHandler;
info.LoadStop += () => { executor.Stop = true; };
info.LoadState = LoadState.Loading;
executor.Download(s, info.Src, info.TotalLoad);
info.LoadState = LoadState.Finished;
return;
}
var links = new List <string>();
using (var ms = new MemoryStream())
{
new DownloadExecutor().Download(ms, info.Src);
using (var sr = new StreamReader(ms))
while (!sr.EndOfStream)
{
links.Add(sr.ReadLine());
}
}
var part = (int)(info.TotalLoad / PartSize);
var vkdEx = new DownloadExecutor();
vkdEx.ProgressChanged += info.ProgressChangedHandler;
info.LoadStop += () => { vkdEx.Stop = true; };
info.LoadState = LoadState.Loading;
vkdEx.Download(s, links[part], info.TotalLoad % PartSize);
for (var i = part + 1; i < links.Count; i++)
{
vkdEx = new DownloadExecutor();
vkdEx.ProgressChanged += info.ProgressChangedHandler;
info.LoadStop += () => { vkdEx.Stop = true; };
vkdEx.Download(s, links[i]);
}
info.LoadState = LoadState.Finished;
}
}
catch (Exception)
{
info.LoadState = LoadState.Error;
}
}
public static void Download(string src, string folder)
{
// если идет загрузка этого файла - выходим.
lock (DownloadLocker)
if (Downloads.Any(o => o.Src == src && o.Folder == folder && o.LoadState < LoadState.Finished))
{
return;
}
var download = new DownloadInfo(src, folder);
AddToDownloads(download);
download.Name = GetFileName(download);
if (!download.IsVkd)
{
GetFileSize(download);
try
{
using (var s = File.Create(folder.FixFolder() + download.Name))
{
var executor = new DownloadExecutor();
executor.ProgressChanged += download.ProgressChangedHandler;
download.LoadState = LoadState.Loading;
download.LoadStop += () => { executor.Stop = true; };
executor.Download(s, download.Src);
download.LoadState = LoadState.Finished;
}
}
catch (Exception)
{
download.LoadState = LoadState.Error;
}
}
else
{
var links = GetFileContent(download.Src)
.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries)
.ToList();
download.TotalSize = GetFileSize(links);
var loaded = (long)0;
var partFile = PreparePartFile(download.Name, download.Folder);
download.LoadState = LoadState.Loading;
try
{
using (var stream = File.Create(partFile))
{
foreach (var link in links)
{
var executor = new DownloadExecutor();
var loaded1 = loaded;
executor.ProgressChanged += (bytes, time) => download.ProgressChangedHandler(loaded1 + bytes, time);
download.LoadStop += () => { executor.Stop = true; };
loaded += executor.Download(stream, link);
}
}
File.Move(partFile, download.Folder.FixFolder() + GetFileName(download));
download.LoadState = LoadState.Finished;
}
catch (Exception)
{
download.LoadState = LoadState.Error;
}
}
}
