public bool ToNzb(string outputDir)
{
try
{
const string EXT_NZB = ".nzb";
string destFile = Path.Combine(outputDir, Name + EXT_NZB);
using (StreamWriter sw = new StreamWriter(destFile, false, Encoding.UTF8))
{
sw.NewLine = "\r\n";
sw.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
sw.WriteLine("<!DOCTYPE nzb PUBLIC \" -//newzBin//DTD NZB 1.1//EN\" \"http://www.newzbin.com/DTD/nzb/nzb-1.1.dtd\">");
sw.WriteLine("<nzb xmlns=\"http://www.newzbin.com/DTD/2003/nzb\">");
foreach (KeyValuePair <string, DownloadLinkFileInfo> kvp in DicoOfPassNumberPerExtension)
{
string filename = Id.ToString() + kvp.Key;
string msgSubject = UsenetChunk.GenerateChunkSubject(Id, Utilities.EXT_RAW, 0, kvp.Value.ListOfPassNumber.Count);
sw.WriteLine("\t<file poster=\"" + Utilities.USERAGENT + "\" date=\"" + PostDate + "\" subject=\"" + HttpUtility.HtmlEncode(msgSubject) + "\">");
sw.WriteLine("\t\t<groups>");
sw.WriteLine("\t\t\t<group>alt.binary.backup</group>");
sw.WriteLine("\t\t</groups>");
sw.WriteLine("\t\t<segments>");
for (int i = 0; i < kvp.Value.ListOfPassNumber.Count; i++)
{
string msgId = UsenetServer.IdToMessageId(UsenetChunk.GenerateChunkId(Id, kvp.Key, i, kvp.Value.ListOfPassNumber[i]));
msgId = msgId.Substring(1, msgId.Length - 2);
long size = Utilities.ARTICLE_SIZE;
if (i == kvp.Value.ListOfPassNumber.Count - 1)
{
size = kvp.Value.Size % Utilities.ARTICLE_SIZE;
}
sw.WriteLine("\t\t\t<segment bytes=\"" + size + "\" number=\"" + (i + 1) + "\">" + msgId + "</segment>");
}
sw.WriteLine("\t\t</segments>");
sw.WriteLine("\t</file>");
}
sw.WriteLine("</nzb>");
}
return(true);
}
catch (Exception ex)
{
Logger.Error(LOGNAME, ex.Message, ex);
}
return(false);
}
public static bool UploadProcess(DbFile dbf)
{
try
{
DirectoryInfo workingDir = new DirectoryInfo(Utilities.FolderTemp);
//On clean le workingdir
FileInfo[] filesToRemove = workingDir.GetFiles();
foreach (FileInfo fileToRemove in filesToRemove)
{
Utilities.FileDelete(fileToRemove.FullName);
}
Stopwatch perfTotal = new Stopwatch();
Stopwatch perfPar = new Stopwatch();
Stopwatch perfUpload = new Stopwatch();
Logger.Info(LOGNAME, "[" + dbf.Id + "] Start");
FileInfo fi = new FileInfo(dbf.Id);
perfTotal.Start();
Guid usenetId = Guid.NewGuid();
byte[] encKey = Crypto.GenerateEncryptionKey(usenetId, dbf.EncryptionMode);
string usenetIdStr = usenetId.ToString();
string posterEmail = Pokemon.GetEmail();
string tempFilePath = Path.Combine(workingDir.FullName, usenetIdStr);
//1- Copying file to temp
fi.CopyTo(tempFilePath);
//2- Checksum
string checksum = Checksum.Calculate(new FileInfo(tempFilePath));
dbf.Checksum = checksum;
Logger.Info(LOGNAME, "[" + dbf.Id + "] Checksum: " + checksum);
//3- Create Parity File
perfPar.Start();
Logger.Info(LOGNAME, "[" + dbf.Id + "] Par2");
if (FilePariter.Create(workingDir, new FileInfo(tempFilePath), usenetIdStr + FilePariter.EXT_PAR2) == false)
{
Logger.Info(LOGNAME, "Par2 error: " + dbf.Id);
return(false);
}
perfPar.Stop();
//4- Preparing Chunks
Logger.Info(LOGNAME, "[" + dbf.Id + "] Chunks");
List <BinaryReader> listOfBrs = new List <BinaryReader>();
FileInfo[] listOfFilesToUpload = workingDir.GetFiles();
long totalSize = (from x in listOfFilesToUpload select x.Length).Sum();
Dictionary <string, long> dicoOfSizePerExtension = new Dictionary <string, long>();
Dictionary <string, List <UsenetChunk> > dicoOfChunksPerExtension = new Dictionary <string, List <UsenetChunk> >(); //key: extension - value: ListOfChunks
foreach (FileInfo fileToUpload in listOfFilesToUpload)
{
string extension = fileToUpload.Name.Replace(usenetIdStr, "");
if (string.IsNullOrEmpty(extension))
{
extension = Utilities.EXT_RAW;
}
dicoOfSizePerExtension[extension] = fileToUpload.Length;
int nbChunks = (int)Math.Ceiling((double)fileToUpload.Length / Utilities.ARTICLE_SIZE);
BinaryReader br = new BinaryReader(new FileStream(fileToUpload.FullName, FileMode.Open, FileAccess.Read, FileShare.Read, Utilities.BUFFER_SIZE));
listOfBrs.Add(br);
dicoOfChunksPerExtension[extension] = new List <UsenetChunk>(nbChunks);
for (int i = 0; i < nbChunks; i++)
{
UsenetChunk chunk = new UsenetChunk(br, fileToUpload.Name, usenetId, extension, i, nbChunks, dbf.EncryptionMode);
dicoOfChunksPerExtension[extension].Add(chunk);
UsenetUploader.AddChunk(chunk);
}
}
//5- Run Upload Tasks
Logger.Info(LOGNAME, "[" + dbf.Id + "] Upload");
perfUpload.Start();
UsenetUploader.Run(posterEmail, encKey);
//6- Checking for end
while (UsenetUploader.IsFinished() == false)
{
Task.Delay(50).Wait();
}
perfUpload.Stop();
//7- Process Finished
foreach (BinaryReader br in listOfBrs)
{
br.Close();
}
foreach (FileInfo fileToDelete in listOfFilesToUpload)
{
Utilities.FileDelete(fileToDelete.FullName);
}
//8- Upload check
List <UsenetChunk> mainChunkList = dicoOfChunksPerExtension[Utilities.EXT_RAW];
int nbSuccess = (from x in mainChunkList where x.PassNumber != UsenetServer.MAX_PASS select x).Count();
int percSuccess = (nbSuccess * 100) / mainChunkList.Count();
bool uploadSuccess = true;
if (percSuccess < Settings.Settings.Current.PercentSuccess)
{
uploadSuccess = false;
}
if (uploadSuccess == true)
{
//9- Generate DownloadLink
Dictionary <string, DownloadLinkFileInfo> dicoOfPassNumberPerExtension = new Dictionary <string, DownloadLinkFileInfo>(); //key: fileExtension|filesize - value: listOfPassNumber
foreach (KeyValuePair <string, List <UsenetChunk> > kvp in dicoOfChunksPerExtension)
{
string extension = kvp.Key;
DownloadLinkFileInfo dlfi = new DownloadLinkFileInfo()
{
Size = dicoOfSizePerExtension[kvp.Key], ListOfPassNumber = (from x in kvp.Value orderby x.ChunkNumber ascending select x.PassNumber).ToList()
};
dicoOfPassNumberPerExtension[extension] = dlfi;
}
DownloadLink dl = new DownloadLink(DownloadLink.VERSION, usenetId, dbf.Name, dbf.Checksum, Utilities.UnixTimestampFromDate(DateTime.UtcNow), dbf.EncryptionMode, dicoOfPassNumberPerExtension);;
dbf.DownloadLink = DownloadLink.ToString(dl);
}
perfTotal.Stop();
Logger.Info(LOGNAME, "[" + dbf.Id + "] " + (uploadSuccess == true ? "Success" : "Fail") + " (chunks: " + percSuccess + "% - files: " + listOfFilesToUpload.Length + " - size: " + Utilities.ConvertSizeToHumanReadable(totalSize) + " - par: " + (long)(perfPar.ElapsedMilliseconds / 1000) + "s - up: " + (long)(perfUpload.ElapsedMilliseconds / 1000) + "s - speed: " + Utilities.ConvertSizeToHumanReadable(totalSize / ((perfUpload.ElapsedMilliseconds < 1000 ? 1000 : perfUpload.ElapsedMilliseconds) / 1000)) + "b/s)");
return(uploadSuccess);
}
catch (Exception ex)
{
Logger.Error(LOGNAME, ex.Message, ex);
}
return(false);
}
public static bool DownloadProcess(DownloadLink dl, string outputdir)
{
try
{
if (dl.Version < MINIMAL_VERSION_SUPPORTED)
{
Logger.Warn(LOGNAME, "This NzbLiteClient version doesn't support NzbLite format < " + MINIMAL_VERSION_SUPPORTED);
return(false);
}
DirectoryInfo workingDir = new DirectoryInfo(Utilities.FolderTemp);
//On clean le workingdir
FileInfo[] filesToRemove = workingDir.GetFiles();
foreach (FileInfo fileToRemove in filesToRemove)
{
Utilities.FileDelete(fileToRemove.FullName);
}
Stopwatch perfTotal = new Stopwatch();
Stopwatch perfPar = new Stopwatch();
Stopwatch perfDownload = new Stopwatch();
Guid usenetId = dl.Id;
byte[] encKey = Crypto.GenerateEncryptionKey(usenetId, dl.EncryptionMode);
string usenetIdStr = usenetId.ToString();
Logger.Info(LOGNAME, "Start " + usenetIdStr);
//1- Preparing Chunks for downloading Raw
Logger.Info(LOGNAME, "Chunks " + usenetIdStr);
long totalSize = 0;
DownloadLinkFileInfo dlfi = dl.DicoOfPassNumberPerExtension[Utilities.EXT_RAW];
FileInfo fi = new FileInfo(Path.Combine(Utilities.FolderTemp, usenetIdStr));
string filepath = fi.FullName;
BinaryWriter bw = new BinaryWriter(new FileStream(filepath, FileMode.Create, FileAccess.Write, FileShare.Write, Utilities.BUFFER_SIZE));
bw.BaseStream.SetLength(dlfi.Size);
totalSize += dlfi.Size;
int skippedChunks = 0;
for (int i = 0; i < dlfi.ListOfPassNumber.Count; i++)
{
if (dlfi.ListOfPassNumber[i] < UsenetServer.MAX_PASS)
{
UsenetChunk chunk = new UsenetChunk(bw, new FileInfo(filepath).Name, usenetId, Utilities.EXT_RAW, i, dlfi.ListOfPassNumber[i], dlfi.ListOfPassNumber.Count, dl.EncryptionMode);;
UsenetDownloader.AddChunk(chunk);
}
else
{
skippedChunks += 1;
}
}
//2- Run Download Tasks
Logger.Info(LOGNAME, "Download starts " + usenetIdStr);
perfDownload.Start();
UsenetDownloader.Run(encKey, dl.Version);
//3- Checking for end
while (UsenetDownloader.IsFinished() == false)
{
Task.Delay(50).Wait();
}
perfDownload.Stop();
bw.Close();
//4- Checksum for rawFile
bool success = false;
string checksum = Checksum.Calculate(fi);
//checksum = "fakechecksum"; // DEBUG ONLY
if (dl.Checksum == checksum) //File is OK
{
success = true;
}
else
{
//Downloading Parity Files
List <BinaryWriter> listOfBws = new List <BinaryWriter>();
foreach (KeyValuePair <string, DownloadLinkFileInfo> kvp in dl.DicoOfPassNumberPerExtension)
{
string extension = kvp.Key;
if (extension == Utilities.EXT_RAW)
{
continue;
}
filepath = fi.FullName + extension;
bw = new BinaryWriter(new FileStream(filepath, FileMode.Create, FileAccess.Write, FileShare.Write, Utilities.BUFFER_SIZE));
bw.BaseStream.SetLength(kvp.Value.Size);
listOfBws.Add(bw);
totalSize += kvp.Value.Size;
int nbChunks = kvp.Value.ListOfPassNumber.Count;
for (int i = 0; i < nbChunks; i++)
{
if (kvp.Value.ListOfPassNumber[i] < UsenetServer.MAX_PASS)
{
UsenetChunk chunk = new UsenetChunk(bw, new FileInfo(filepath).Name, usenetId, extension, i, kvp.Value.ListOfPassNumber[i], nbChunks, dl.EncryptionMode);
UsenetDownloader.AddChunk(chunk);
}
}
}
//Run Download Tasks
Logger.Info(LOGNAME, "Download Par starts " + usenetIdStr);
perfDownload.Start();
UsenetDownloader.Run(encKey, dl.Version);
//Checking for end
while (UsenetDownloader.IsFinished() == false)
{
Task.Delay(50).Wait();
}
perfDownload.Stop();
//Free writers
foreach (BinaryWriter bww in listOfBws)
{
bww.Close();
}
//trying to repair file with PAR
perfPar.Start();
Logger.Info(LOGNAME, "Par2 " + usenetIdStr);
if (FilePariter.Repair(workingDir) == true)
{
checksum = Checksum.Calculate(fi);
if (dl.Checksum == checksum)
{
success = true;
}
}
perfPar.Stop();
}
//5- Moving to dest
if (success == true)
{
string destFilepath = outputdir;
string[] tmp = dl.Name.Split("/");
for (int i = 0; i < tmp.Length; i++)
{
destFilepath = Path.Combine(destFilepath, tmp[i]);
if (i < tmp.Length - 1)
{
Utilities.EnsureDirectory(destFilepath);
}
else
{
Utilities.FileDelete(destFilepath);
}
}
fi.MoveTo(destFilepath);
}
////6- Process Finished
//FileInfo[] filesToDelete = workingDir.GetFiles();
//foreach (FileInfo fileToDelete in filesToDelete)
//{
// Utilities.FileDelete(fileToDelete.FullName);
//}
perfTotal.Stop();
if (success == true)
{
Logger.Info(LOGNAME, "Success " + dl.Id + " (name: " + dl.Name + " - par: " + (long)(perfPar.ElapsedMilliseconds / 1000) + "s - down: " + (long)((perfDownload.ElapsedMilliseconds < 1000 ? 1000 : perfDownload.ElapsedMilliseconds) / 1000) + "s - speed: " + Utilities.ConvertSizeToHumanReadable(totalSize / (perfDownload.ElapsedMilliseconds / 1000)) + "b/s)");
}
else
{
Logger.Info(LOGNAME, "Fail downloading " + dl.Id + " (name: " + dl.Name + ")");
}
return(true);
}
catch (Exception ex)
{
Logger.Error(LOGNAME, ex.Message, ex);
}
return(false);
}