private static void TestArticle(NntpClient client, NntpGroup @group)
{
// get article by message id
ShowArticle(client.Article("<*****@*****.**>").Article);
// select group alt.test.clienttest with article numbers
ShowGroup(client.ListGroup("alt.test.clienttest").Group);
// get first article in group
ShowArticle(client.Article().Article);
// get last article in group
ShowArticle(client.Article(@group.HighWaterMark).Article);
}
private static void TestDownloadNzbStreaming(NntpClient client, string nzbFileName)
{
string fullPath = Path.Combine(nzbFileName);
string nzbData = File.ReadAllText(fullPath, UsenetEncoding.Default);
NzbDocument nzbDocument = NzbParser.Parse(nzbData);
string downloadDir = Path.Combine("downloads", nzbFileName);
Directory.CreateDirectory(downloadDir);
var sw = new Stopwatch();
sw.Restart();
log.LogInformation("Downloading nzb {nzbFileName}", nzbFileName);
foreach (NzbFile file in nzbDocument.Files)
{
log.LogInformation("Downloading file {subject}", file.Subject);
foreach (NzbSegment segment in file.Segments)
{
log.LogInformation("Downloading article {messageId}", segment.MessageId);
NntpArticleResponse response = client.Article(segment.MessageId);
using (YencStream yencStream = YencStreamDecoder.Decode(response.Article.Body))
{
YencHeader header = yencStream.Header;
string fileName = Path.Combine(downloadDir, header.FileName);
if (!File.Exists(fileName))
{
log.LogInformation("Creating file {fileName}", fileName);
// create file and pre-allocate disk space for it
using (FileStream stream = File.Create(fileName))
{
stream.SetLength(header.FileSize);
}
}
log.LogInformation("Writing {size} bytes to file {fileName} at offset {offset}",
header.PartSize, fileName, header.PartOffset);
using (FileStream stream = File.Open(
fileName, FileMode.OpenOrCreate, FileAccess.Write, FileShare.ReadWrite))
{
stream.Seek(header.PartOffset, SeekOrigin.Begin);
yencStream.CopyTo(stream);
}
}
}
}
log.LogInformation("Nzb downloaded in {elapsed}", sw.Elapsed);
}
private static string TestPost(NntpClient client)
{
string messageId = $"cucumber_{Guid.NewGuid()}@hhh.net";
NntpArticle newArticle = new NntpArticleBuilder()
.SetMessageId(messageId)
.SetFrom("Superuser <*****@*****.**>")
.SetSubject(messageId)
.AddGroup("alt.test.clienttest")
.AddGroup("alt.test")
.AddLine("This is a message with id " + messageId)
.AddLine("bla bla bla")
.Build();
// post
client.Post(newArticle);
// read back and show
ShowArticle(client.Article(messageId).Article);
return messageId;
}
