private void PostPart(InntpMessagePoster poster, PostedFileInfo postedFileInfo, YEncFilePart part,
String subjectNameBase)
{
var message = new nntpMessage();
message.Subject = String.Format(subjectNameBase, part.Number);
message.YEncFilePart = part;
message.PostInfo = postedFileInfo;
if (TotalParts > 1)
{
message.Prefix.Add(String.Format("=ybegin part={0} total={1} line={2} size={3} name={4}",
part.Number, TotalParts, configuration.YEncLineSize, File.Length, File.Name));
message.Prefix.Add(String.Format("=ypart begin={0} end={1}",
part.Begin, part.End));
message.Suffix.Add(String.Format("=yend size={0} part={1} pcrc32={2}",
part.Size, part.Number, part.CRC32));
}
else
{
message.Prefix.Add(String.Format("=ybegin line={0} size={1} name={2}",
configuration.YEncLineSize, File.Length, File.Name));
message.Suffix.Add(String.Format("=yend size={0} crc32={1}",
File.Length, part.CRC32));
}
poster.PostMessage(message);
}
public PostedFileInfo PostYEncFile(InntpMessagePoster poster, String prefix, String suffix)
{
PostedFileInfo postedFileInfo = new PostedFileInfo();
postedFileInfo.FromAddress = GetFromAddress(folderConfiguration.FromAddress);
String subjectNameBase = ConstructSubjectNameBase(prefix, suffix);
postedFileInfo.NzbSubjectName = String.Format(subjectNameBase, 1);
postedFileInfo.PostedGroups.AddRange(folderConfiguration.GetTargetNewsGroups());
postedFileInfo.PostedDateTime = DateTime.Now;
var yEncoder = new YEncEncoder();
Int32 partNumber = 0;
using (var fileStream = File.Open(FileMode.Open, FileAccess.Read, FileShare.Read))
{
while (fileStream.Position < fileStream.Length - 1) //If we have more blocks to encode.
{
partNumber++;
Byte[] partBuffer = new Byte[partSize];
Int32 partBufferPos = 0;
Int32 bytesRead = 0;
CRC32 partCRCCalculator = new CRC32();
var part = new YEncFilePart();
part.SourcefileName = File.Name;
part.Number = partNumber;
part.Begin = fileStream.Position + 1;
while (partBufferPos < partSize - 1 &&
(bytesRead = fileStream.Read(partBuffer, partBufferPos, partSize - partBufferPos)) > 0)
{
partBufferPos += bytesRead;
}
//TODO: this can be split in 2 threads to spread out CPU usage.
part.EncodedLines = yEncoder.EncodeBlock(configuration.YEncLineSize, partBuffer, 0, partBufferPos);
partCRCCalculator.TransformFinalBlock(partBuffer, 0, partBufferPos);
part.CRC32 = partCRCCalculator.HashAsHexString;
part.End = fileStream.Position;
PostPart(poster, postedFileInfo, part, subjectNameBase);
}
}
return(postedFileInfo);
}
public PostedFileInfo PostYEncFile(InntpMessagePoster poster, String prefix, String suffix)
{
PostedFileInfo postedFileInfo = new PostedFileInfo();
String subjectNameBase = ConstructSubjectNameBase(prefix, suffix);
postedFileInfo.NzbSubjectName = String.Format(subjectNameBase, 1);
postedFileInfo.PostedGroups.AddRange(folderConfiguration.TargetNewsgroups);
postedFileInfo.PostedDateTime = DateTime.Now;
var yEncoder = new YEncEncoder();
Int32 partNumber = 0;
using (var fileStream = File.Open(FileMode.Open, FileAccess.Read, FileShare.Read))
{
while (fileStream.Position < fileStream.Length - 1) //If we have more blocks to encode.
{
partNumber++;
Byte[] partBuffer = new Byte[partSize];
Int32 partBufferPos = 0;
Int32 bytesRead = 0;
CRC32 partCRCCalculator = new CRC32();
var part = new YEncFilePart();
part.SourcefileName = File.Name;
part.Number = partNumber;
part.Begin = fileStream.Position + 1;
while (partBufferPos < partSize - 1 &&
(bytesRead = fileStream.Read(partBuffer, partBufferPos, partSize - partBufferPos)) > 0)
{
partBufferPos += bytesRead;
}
//TODO: this can be split in 2 threads to spread out CPU usage.
part.EncodedLines = yEncoder.EncodeBlock(configuration.YEncLineSize, partBuffer, 0, partBufferPos);
partCRCCalculator.TransformFinalBlock(partBuffer, 0, partBufferPos);
part.CRC32 = partCRCCalculator.HashAsHexString;
part.End = fileStream.Position;
PostPart(poster, postedFileInfo, part, subjectNameBase);
}
}
return postedFileInfo;
}
public XDocument PostToUsenet(FileSystemInfo toPost, String title, String rarPassword, Boolean saveNzb = true)
{
using (nntpMessagePoster poster = new nntpMessagePoster(configuration, folderConfiguration))
{
poster.PartPosted += poster_PartPosted;
DirectoryInfo processedFiles = null;
try
{
DateTime StartTime = DateTime.Now;
processedFiles = MakeProcessingFolder(toPost.NameWithoutExtension());
MakeRarAndParFiles(toPost, toPost.NameWithoutExtension(), processedFiles, rarPassword);
List <FileToPost> filesToPost = processedFiles.GetFiles()
.OrderBy(f => f.Name)
.Select(f => new FileToPost(configuration, folderConfiguration, f)).ToList();
List <PostedFileInfo> postedFiles = new List <PostedFileInfo>();
TotalPartCount = filesToPost.Sum(f => f.TotalParts);
UploadedPartCount = 0;
TotalUploadedBytes = 0;
UploadStartTime = DateTime.Now;
Int32 fileCount = 1;
foreach (var fileToPost in filesToPost)
{
DateTime filestartTime = DateTime.Now;
String comment1 = String.Format("{0} [{1}/{2}]", title, fileCount++, filesToPost.Count);
PostedFileInfo postInfo = fileToPost.PostYEncFile(poster, comment1, "");
if (log.IsInfoEnabled)
{
TimeSpan fileTimeElapsed = DateTime.Now - filestartTime;
Double fileSpeed = (Double)fileToPost.File.Length / fileTimeElapsed.TotalSeconds;
log.InfoFormat("Posted file {0} with a speed of {1}",
fileToPost.File.Name, UploadSpeedReport.GetHumanReadableSpeed(fileSpeed));
}
postedFiles.Add(postInfo);
}
poster.WaitTillCompletion();
if (log.IsInfoEnabled)
{
TimeSpan totalTimeElapsed = DateTime.Now - StartTime;
TimeSpan uploadTimeElapsed = DateTime.Now - UploadStartTime;
Double speed = TotalUploadedBytes / totalTimeElapsed.TotalSeconds;
Double ulSpeed = TotalUploadedBytes / uploadTimeElapsed.TotalSeconds;
log.InfoFormat("Upload of [{0}] has completed at {1} with an upload speed of {2}",
title, UploadSpeedReport.GetHumanReadableSpeed(speed), UploadSpeedReport.GetHumanReadableSpeed(ulSpeed));
}
Console.WriteLine();
XDocument nzbDoc = GenerateNzbFromPostInfo(toPost.Name, postedFiles, rarPassword);
if (saveNzb && configuration.NzbOutputFolder != null)
{
nzbDoc.Save(Path.Combine(configuration.NzbOutputFolder.FullName, toPost.NameWithoutExtension() + ".nzb"));
}
return(nzbDoc);
}
finally
{
if (processedFiles != null && processedFiles.Exists)
{
log.Info("Deleting processed folder");
processedFiles.Delete(true);
}
}
}
}
private void PostPart(InntpMessagePoster poster, PostedFileInfo postedFileInfo, YEncFilePart part,
String subjectNameBase)
{
var message = new nntpMessage();
message.Subject = String.Format(subjectNameBase, part.Number);
message.YEncFilePart = part;
message.PostInfo = postedFileInfo;
if (TotalParts > 1)
{
message.Prefix.Add(String.Format("=ybegin part={0} total={1} line={2} size={3} name={4}",
part.Number, TotalParts, configuration.YEncLineSize, File.Length, File.Name));
message.Prefix.Add(String.Format("=ypart begin={0} end={1}",
part.Begin, part.End));
message.Suffix.Add(String.Format("=yend size={0} part={1} pcrc32={2}",
part.Size, part.Number, part.CRC32));
}
else
{
message.Prefix.Add(String.Format("=ybegin line={0} size={1} name={2}",
configuration.YEncLineSize, File.Length, File.Name));
message.Suffix.Add(String.Format("=yend size={0} crc32={1}",
File.Length, part.CRC32));
}
poster.PostMessage(message);
}
