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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using NLog;
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using NzbDrone.Common.Extensions;
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using CookComputing.XmlRpc;
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namespace NzbDrone.Core.Download.Clients.RTorrent
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{
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public interface IRTorrentProxy
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{
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string GetVersion(RTorrentSettings settings);
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List<RTorrentTorrent> GetTorrents(RTorrentSettings settings);
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void AddTorrentFromUrl(string torrentUrl, RTorrentSettings settings);
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void AddTorrentFromFile(string fileName, byte[] fileContent, RTorrentSettings settings);
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void RemoveTorrent(string hash, RTorrentSettings settings);
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void SetTorrentPriority(string hash, RTorrentPriority priority, RTorrentSettings settings);
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void SetTorrentLabel(string hash, string label, RTorrentSettings settings);
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void SetTorrentDownloadDirectory(string hash, string directory, RTorrentSettings settings);
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bool HasHashTorrent(string hash, RTorrentSettings settings);
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void StartTorrent(string hash, RTorrentSettings settings);
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void SetDeferredMagnetProperties(string hash, string category, string directory, RTorrentPriority priority, RTorrentSettings settings);
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}
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public interface IRTorrent : IXmlRpcProxy
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{
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[XmlRpcMethod("d.multicall2")]
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object[] TorrentMulticall(params string[] parameters);
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[XmlRpcMethod("load.normal")]
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int LoadUrl(string target, string data);
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[XmlRpcMethod("load.raw")]
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int LoadBinary(string target, byte[] data);
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[XmlRpcMethod("d.erase")]
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int Remove(string hash);
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[XmlRpcMethod("d.custom1.set")]
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string SetLabel(string hash, string label);
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[XmlRpcMethod("d.priority.set")]
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int SetPriority(string hash, long priority);
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[XmlRpcMethod("d.directory.set")]
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int SetDirectory(string hash, string directory);
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[XmlRpcMethod("method.set_key")]
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int SetKey(string target, string key, string cmd_key, string value);
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[XmlRpcMethod("d.name")]
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string GetName(string hash);
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[XmlRpcMethod("system.client_version")]
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string GetVersion();
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[XmlRpcMethod("system.multicall")]
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object[] SystemMulticall(object[] parameters);
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}
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public class RTorrentProxy : IRTorrentProxy
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{
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private readonly Logger _logger;
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public RTorrentProxy(Logger logger)
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{
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_logger = logger;
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}
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public string GetVersion(RTorrentSettings settings)
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{
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_logger.Debug("Executing remote method: system.client_version");
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var client = BuildClient(settings);
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var version = client.GetVersion();
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return version;
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}
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public List<RTorrentTorrent> GetTorrents(RTorrentSettings settings)
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{
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_logger.Debug("Executing remote method: d.multicall2");
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var client = BuildClient(settings);
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var ret = client.TorrentMulticall("", "",
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"d.name=", // string
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"d.hash=", // string
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"d.base_path=", // string
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"d.custom1=", // string (label)
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"d.size_bytes=", // long
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"d.left_bytes=", // long
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"d.down.rate=", // long (in bytes / s)
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"d.ratio=", // long
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"d.is_open=", // long
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"d.is_active=", // long
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"d.complete="); //long
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var items = new List<RTorrentTorrent>();
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foreach (object[] torrent in ret)
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{
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var labelDecoded = System.Web.HttpUtility.UrlDecode((string) torrent[3]);
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var item = new RTorrentTorrent();
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item.Name = (string) torrent[0];
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item.Hash = (string) torrent[1];
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item.Path = (string) torrent[2];
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item.Category = labelDecoded;
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item.TotalSize = (long) torrent[4];
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item.RemainingSize = (long) torrent[5];
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item.DownRate = (long) torrent[6];
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item.Ratio = (long) torrent[7];
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item.IsOpen = Convert.ToBoolean((long) torrent[8]);
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item.IsActive = Convert.ToBoolean((long) torrent[9]);
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item.IsFinished = Convert.ToBoolean((long) torrent[10]);
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items.Add(item);
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}
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return items;
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}
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public void AddTorrentFromUrl(string torrentUrl, RTorrentSettings settings)
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{
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_logger.Debug("Executing remote method: load.normal");
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var client = BuildClient(settings);
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var response = client.LoadUrl("", torrentUrl);
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if (response != 0)
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{
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throw new DownloadClientException("Could not add torrent: {0}.", torrentUrl);
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}
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}
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public void AddTorrentFromFile(string fileName, byte[] fileContent, RTorrentSettings settings)
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{
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_logger.Debug("Executing remote method: load.raw");
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var client = BuildClient(settings);
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var response = client.LoadBinary("", fileContent);
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if (response != 0)
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{
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throw new DownloadClientException("Could not add torrent: {0}.", fileName);
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}
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}
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public void RemoveTorrent(string hash, RTorrentSettings settings)
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{
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_logger.Debug("Executing remote method: d.erase");
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var client = BuildClient(settings);
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var response = client.Remove(hash);
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if (response != 0)
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{
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throw new DownloadClientException("Could not remove torrent: {0}.", hash);
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}
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}
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public void SetTorrentPriority(string hash, RTorrentPriority priority, RTorrentSettings settings)
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{
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_logger.Debug("Executing remote method: d.priority.set");
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var client = BuildClient(settings);
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var response = client.SetPriority(hash, (long) priority);
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if (response != 0)
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{
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throw new DownloadClientException("Could not set priority on torrent: {0}.", hash);
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}
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}
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public void SetTorrentLabel(string hash, string label, RTorrentSettings settings)
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{
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_logger.Debug("Executing remote method: d.custom1.set");
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var labelEncoded = System.Web.HttpUtility.UrlEncode(label);
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var client = BuildClient(settings);
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var setLabel = client.SetLabel(hash, labelEncoded);
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if (setLabel != labelEncoded)
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{
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throw new DownloadClientException("Could set label on torrent: {0}.", hash);
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}
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}
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public void SetTorrentDownloadDirectory(string hash, string directory, RTorrentSettings settings)
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{
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_logger.Debug("Executing remote method: d.directory.set");
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var client = BuildClient(settings);
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var response = client.SetDirectory(hash, directory);
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if (response != 0)
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{
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throw new DownloadClientException("Could not set directory for torrent: {0}.", hash);
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}
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}
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public void SetDeferredMagnetProperties(string hash, string category, string directory, RTorrentPriority priority, RTorrentSettings settings)
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{
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var commands = new List<string>();
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if (category.IsNotNullOrWhiteSpace())
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{
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commands.Add("d.custom1.set=" + category);
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}
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if (directory.IsNotNullOrWhiteSpace())
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{
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commands.Add("d.directory.set=" + directory);
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}
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if (priority != RTorrentPriority.Normal)
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{
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commands.Add("d.priority.set=" + (long)priority);
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}
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// Ensure it gets started if the user doesn't have schedule=...,start_tied=
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commands.Add("d.open=");
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commands.Add("d.start=");
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if (commands.Any())
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{
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var key = "event.download.inserted_new";
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var cmd_key = "sonarr_deferred_" + hash;
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commands.Add(string.Format("print=\"Applying deferred properties to {0}\"", hash));
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// Remove event handler once triggered.
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commands.Add(string.Format("\"method.set_key={0},{1}\"", key, cmd_key));
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var setKeyValue = string.Format("branch=\"equal=d.hash=,cat={0}\",{{{1}}}", hash, string.Join(",", commands));
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_logger.Debug("Executing remote method: method.set_key = {0},{1},{2}", key, cmd_key, setKeyValue);
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var client = BuildClient(settings);
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// Commands need a target, in this case the target is an empty string
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// See: https://github.com/rakshasa/rtorrent/issues/227
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var response = client.SetKey("", key, cmd_key, setKeyValue);
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if (response != 0)
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{
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throw new DownloadClientException("Could set properties for torrent: {0}.", hash);
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}
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}
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}
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public bool HasHashTorrent(string hash, RTorrentSettings settings)
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{
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_logger.Debug("Executing remote method: d.name");
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var client = BuildClient(settings);
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try
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{
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var name = client.GetName(hash);
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if (name.IsNullOrWhiteSpace()) return false;
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bool metaTorrent = name == (hash + ".meta");
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return !metaTorrent;
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}
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catch (Exception)
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{
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return false;
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}
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}
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public void StartTorrent(string hash, RTorrentSettings settings)
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{
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_logger.Debug("Executing remote methods: d.open and d.start");
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var client = BuildClient(settings);
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var multicallResponse = client.SystemMulticall(new[]
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{
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new
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{
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methodName = "d.open",
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@params = new[] { hash }
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},
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new
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{
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methodName = "d.start",
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@params = new[] { hash }
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},
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}).SelectMany(c => ((IEnumerable<int>)c));
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if (multicallResponse.Any(r => r != 0))
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{
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throw new DownloadClientException("Could not start torrent: {0}.", hash);
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}
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}
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private IRTorrent BuildClient(RTorrentSettings settings)
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{
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var client = XmlRpcProxyGen.Create<IRTorrent>();
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client.Url = string.Format(@"{0}://{1}:{2}/{3}",
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settings.UseSsl ? "https" : "http",
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settings.Host,
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settings.Port,
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settings.UrlBase);
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client.EnableCompression = true;
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if (!settings.Username.IsNullOrWhiteSpace())
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{
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client.Credentials = new NetworkCredential(settings.Username, settings.Password);
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}
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return client;
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}
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}
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}
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