Fixed: Refactored rtorrent interface to fix reliability issues with adding magnets & torrents.

fixes #1745
This commit is contained in:
Taloth Saldono 2017-03-11 11:50:19 +01:00
parent 3590fedeaf
commit 2326db0dea
3 changed files with 29 additions and 184 deletions

View File

@ -54,11 +54,11 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.RTorrentTests
protected void GivenSuccessfulDownload()
{
Mocker.GetMock<IRTorrentProxy>()
.Setup(s => s.AddTorrentFromUrl(It.IsAny<string>(), It.IsAny<RTorrentSettings>()))
.Setup(s => s.AddTorrentFromUrl(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<RTorrentPriority>(), It.IsAny<string>(), It.IsAny<RTorrentSettings>()))
.Callback(PrepareClientToReturnCompletedItem);
Mocker.GetMock<IRTorrentProxy>()
.Setup(s => s.AddTorrentFromFile(It.IsAny<string>(), It.IsAny<byte[]>(), It.IsAny<RTorrentSettings>()))
.Setup(s => s.AddTorrentFromFile(It.IsAny<string>(), It.IsAny<byte[]>(), It.IsAny<string>(), It.IsAny<RTorrentPriority>(), It.IsAny<string>(), It.IsAny<RTorrentSettings>()))
.Callback(PrepareClientToReturnCompletedItem);

View File

@ -39,50 +39,29 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
protected override string AddFromMagnetLink(RemoteEpisode remoteEpisode, string hash, string magnetLink)
{
_proxy.AddTorrentFromUrl(magnetLink, Settings);
var priority = (RTorrentPriority)(remoteEpisode.IsRecentEpisode() ? Settings.RecentTvPriority : Settings.OlderTvPriority);
// Download the magnet to the appropriate directory.
_proxy.SetTorrentLabel(hash, Settings.TvCategory, Settings);
SetPriority(remoteEpisode, hash);
SetDownloadDirectory(hash);
_proxy.StartTorrent(hash, Settings);
_proxy.AddTorrentFromUrl(magnetLink, Settings.TvCategory, priority, Settings.TvDirectory, Settings);
var tries = 10;
var retryDelay = 500;
// Wait a bit for the magnet to be resolved.
if (!WaitForTorrent(hash, tries - 2, retryDelay))
if (!WaitForTorrent(hash, tries, retryDelay))
{
// Once the magnet meta download finishes, rTorrent replaces it with the actual torrent download with default settings.
// Schedule an event to apply the appropriate settings when that happens.
var priority = (RTorrentPriority)(remoteEpisode.IsRecentEpisode() ? Settings.RecentTvPriority : Settings.OlderTvPriority);
_proxy.SetDeferredMagnetProperties(hash, Settings.TvCategory, Settings.TvDirectory, priority, Settings);
_logger.Warn("rTorrent could not resolve magnet within {0} seconds, download may remain stuck: {1}.", tries * retryDelay / 1000, magnetLink);
// Wait a bit longer for the magnet to be resolved.
if (!WaitForTorrent(hash, 2, retryDelay))
{
// The SetDeferredMagnetProperties will try set the label, priority & directory when rtorrent finishes the magnet, unless rtorrent restarts before that happens.
_logger.Warn("rTorrent could not resolve magnet within {0} seconds, download may remain stuck: {1}.", tries * retryDelay / 1000, magnetLink);
return hash;
}
return hash;
}
// Make sure the label is set and the torrent started, because we can't rely on SetDeferredMagnetProperties for magnets that get resolved quickly.
_proxy.SetTorrentLabel(hash, Settings.TvCategory, Settings);
SetPriority(remoteEpisode, hash);
SetDownloadDirectory(hash);
_proxy.StartTorrent(hash, Settings);
return hash;
}
protected override string AddFromTorrentFile(RemoteEpisode remoteEpisode, string hash, string filename, byte[] fileContent)
{
_proxy.AddTorrentFromFile(filename, fileContent, Settings);
var priority = (RTorrentPriority)(remoteEpisode.IsRecentEpisode() ? Settings.RecentTvPriority : Settings.OlderTvPriority);
_proxy.AddTorrentFromFile(filename, fileContent, Settings.TvCategory, priority, Settings.TvDirectory, Settings);
var tries = 10;
var retryDelay = 500;
@ -93,12 +72,6 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
throw new ReleaseDownloadException(remoteEpisode.Release, "Downloading torrent failed");
}
_proxy.SetTorrentLabel(hash, Settings.TvCategory, Settings);
SetPriority(remoteEpisode, hash);
SetDownloadDirectory(hash);
_proxy.StartTorrent(hash, Settings);
return hash;
}
@ -238,20 +211,6 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
return result.Errors.First();
}
private void SetPriority(RemoteEpisode remoteEpisode, string hash)
{
var priority = (RTorrentPriority)(remoteEpisode.IsRecentEpisode() ? Settings.RecentTvPriority : Settings.OlderTvPriority);
_proxy.SetTorrentPriority(hash, priority, Settings);
}
private void SetDownloadDirectory(string hash)
{
if (Settings.TvDirectory.IsNotNullOrWhiteSpace())
{
_proxy.SetTorrentDownloadDirectory(hash, Settings.TvDirectory, Settings);
}
}
private bool WaitForTorrent(string hash, int tries, int retryDelay)
{
for (var i = 0; i < tries; i++)

View File

@ -13,15 +13,10 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
string GetVersion(RTorrentSettings settings);
List<RTorrentTorrent> GetTorrents(RTorrentSettings settings);
void AddTorrentFromUrl(string torrentUrl, RTorrentSettings settings);
void AddTorrentFromFile(string fileName, byte[] fileContent, RTorrentSettings settings);
void AddTorrentFromUrl(string torrentUrl, string label, RTorrentPriority priority, string directory, RTorrentSettings settings);
void AddTorrentFromFile(string fileName, byte[] fileContent, string label, RTorrentPriority priority, string directory, RTorrentSettings settings);
void RemoveTorrent(string hash, RTorrentSettings settings);
void SetTorrentPriority(string hash, RTorrentPriority priority, RTorrentSettings settings);
void SetTorrentLabel(string hash, string label, RTorrentSettings settings);
void SetTorrentDownloadDirectory(string hash, string directory, RTorrentSettings settings);
bool HasHashTorrent(string hash, RTorrentSettings settings);
void StartTorrent(string hash, RTorrentSettings settings);
void SetDeferredMagnetProperties(string hash, string category, string directory, RTorrentPriority priority, RTorrentSettings settings);
}
public interface IRTorrent : IXmlRpcProxy
@ -29,35 +24,20 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
[XmlRpcMethod("d.multicall2")]
object[] TorrentMulticall(params string[] parameters);
[XmlRpcMethod("load.normal")]
int LoadUrl(string target, string data);
[XmlRpcMethod("load.start")]
int LoadStart(string target, string data, params string[] commands);
[XmlRpcMethod("load.raw")]
int LoadBinary(string target, byte[] data);
[XmlRpcMethod("load.raw_start")]
int LoadRawStart(string target, byte[] data, params string[] commands);
[XmlRpcMethod("d.erase")]
int Remove(string hash);
[XmlRpcMethod("d.custom1.set")]
string SetLabel(string hash, string label);
[XmlRpcMethod("d.priority.set")]
int SetPriority(string hash, long priority);
[XmlRpcMethod("d.directory.set")]
int SetDirectory(string hash, string directory);
[XmlRpcMethod("method.set_key")]
int SetKey(string target, string key, string cmd_key, string value);
[XmlRpcMethod("d.name")]
string GetName(string hash);
[XmlRpcMethod("system.client_version")]
string GetVersion();
[XmlRpcMethod("system.multicall")]
object[] SystemMulticall(object[] parameters);
}
public class RTorrentProxy : IRTorrentProxy
@ -122,26 +102,26 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
return items;
}
public void AddTorrentFromUrl(string torrentUrl, RTorrentSettings settings)
public void AddTorrentFromUrl(string torrentUrl, string label, RTorrentPriority priority, string directory, RTorrentSettings settings)
{
_logger.Debug("Executing remote method: load.normal");
var client = BuildClient(settings);
var response = client.LoadUrl("", torrentUrl);
var response = client.LoadStart("", torrentUrl, GetCommands(label, priority, directory));
if (response != 0)
{
throw new DownloadClientException("Could not add torrent: {0}.", torrentUrl);
}
}
public void AddTorrentFromFile(string fileName, byte[] fileContent, RTorrentSettings settings)
public void AddTorrentFromFile(string fileName, byte[] fileContent, string label, RTorrentPriority priority, string directory, RTorrentSettings settings)
{
_logger.Debug("Executing remote method: load.raw");
var client = BuildClient(settings);
var response = client.LoadBinary("", fileContent);
var response = client.LoadRawStart("", fileContent, GetCommands(label, priority, directory));
if (response != 0)
{
throw new DownloadClientException("Could not add torrent: {0}.", fileName);
@ -161,94 +141,26 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
}
}
public void SetTorrentPriority(string hash, RTorrentPriority priority, RTorrentSettings settings)
private string[] GetCommands(string label, RTorrentPriority priority, string directory)
{
_logger.Debug("Executing remote method: d.priority.set");
var result = new List<string>();
var client = BuildClient(settings);
var response = client.SetPriority(hash, (long) priority);
if (response != 0)
if (label.IsNotNullOrWhiteSpace())
{
throw new DownloadClientException("Could not set priority on torrent: {0}.", hash);
}
}
public void SetTorrentLabel(string hash, string label, RTorrentSettings settings)
{
_logger.Debug("Executing remote method: d.custom1.set");
var labelEncoded = System.Web.HttpUtility.UrlEncode(label);
var client = BuildClient(settings);
var setLabel = client.SetLabel(hash, labelEncoded);
if (setLabel != labelEncoded)
{
throw new DownloadClientException("Could set label on torrent: {0}.", hash);
}
}
public void SetTorrentDownloadDirectory(string hash, string directory, RTorrentSettings settings)
{
_logger.Debug("Executing remote method: d.directory.set");
var client = BuildClient(settings);
var response = client.SetDirectory(hash, directory);
if (response != 0)
{
throw new DownloadClientException("Could not set directory for torrent: {0}.", hash);
}
}
public void SetDeferredMagnetProperties(string hash, string category, string directory, RTorrentPriority priority, RTorrentSettings settings)
{
var commands = new List<string>();
if (category.IsNotNullOrWhiteSpace())
{
commands.Add("d.custom1.set=" + category);
}
if (directory.IsNotNullOrWhiteSpace())
{
commands.Add("d.directory.set=" + directory);
result.Add("d.custom1.set=" + label);
}
if (priority != RTorrentPriority.Normal)
{
commands.Add("d.priority.set=" + (long)priority);
result.Add("d.priority.set=" + (int)priority);
}
// Ensure it gets started if the user doesn't have schedule=...,start_tied=
commands.Add("d.open=");
commands.Add("d.start=");
if (commands.Any())
if (directory.IsNotNullOrWhiteSpace())
{
var key = "event.download.inserted_new";
var cmd_key = "sonarr_deferred_" + hash;
commands.Add(string.Format("print=\"Applying deferred properties to {0}\"", hash));
// Remove event handler once triggered.
commands.Add(string.Format("\"method.set_key={0},{1}\"", key, cmd_key));
var setKeyValue = string.Format("branch=\"equal=d.hash=,cat={0}\",{{{1}}}", hash, string.Join(",", commands));
_logger.Debug("Executing remote method: method.set_key = {0},{1},{2}", key, cmd_key, setKeyValue);
var client = BuildClient(settings);
// Commands need a target, in this case the target is an empty string
// See: https://github.com/rakshasa/rtorrent/issues/227
var response = client.SetKey("", key, cmd_key, setKeyValue);
if (response != 0)
{
throw new DownloadClientException("Could set properties for torrent: {0}.", hash);
}
result.Add("d.directory.set=" + label);
}
return result.ToArray();
}
public bool HasHashTorrent(string hash, RTorrentSettings settings)
@ -270,32 +182,6 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
}
}
public void StartTorrent(string hash, RTorrentSettings settings)
{
_logger.Debug("Executing remote methods: d.open and d.start");
var client = BuildClient(settings);
var multicallResponse = client.SystemMulticall(new[]
{
new
{
methodName = "d.open",
@params = new[] { hash }
},
new
{
methodName = "d.start",
@params = new[] { hash }
},
}).SelectMany(c => ((IEnumerable<int>)c));
if (multicallResponse.Any(r => r != 0))
{
throw new DownloadClientException("Could not start torrent: {0}.", hash);
}
}
private IRTorrent BuildClient(RTorrentSettings settings)
{
var client = XmlRpcProxyGen.Create<IRTorrent>();