Eric Kok
10 years ago
10 changed files with 546 additions and 21 deletions
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/* |
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* This file is part of Transdroid <http://www.transdroid.org>
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* |
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* Transdroid is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* Transdroid is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with Transdroid. If not, see <http://www.gnu.org/licenses/>.
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* |
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*/ |
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package org.transdroid.daemon.Aria2c; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.StringWriter; |
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import java.net.URI; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.apache.http.HttpEntity; |
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import org.apache.http.HttpResponse; |
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import org.apache.http.client.methods.HttpPost; |
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import org.apache.http.entity.StringEntity; |
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import org.apache.http.impl.client.DefaultHttpClient; |
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import org.base64.android.Base64; |
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import org.json.JSONArray; |
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import org.json.JSONException; |
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import org.json.JSONObject; |
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import org.transdroid.daemon.Daemon; |
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import org.transdroid.daemon.DaemonException; |
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import org.transdroid.daemon.DaemonException.ExceptionType; |
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import org.transdroid.daemon.DaemonSettings; |
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import org.transdroid.daemon.IDaemonAdapter; |
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import org.transdroid.daemon.Priority; |
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import org.transdroid.daemon.Torrent; |
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import org.transdroid.daemon.TorrentDetails; |
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import org.transdroid.daemon.TorrentFile; |
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import org.transdroid.daemon.TorrentStatus; |
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import org.transdroid.daemon.task.AddByFileTask; |
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import org.transdroid.daemon.task.AddByMagnetUrlTask; |
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import org.transdroid.daemon.task.AddByUrlTask; |
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import org.transdroid.daemon.task.DaemonTask; |
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import org.transdroid.daemon.task.DaemonTaskFailureResult; |
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import org.transdroid.daemon.task.DaemonTaskResult; |
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import org.transdroid.daemon.task.DaemonTaskSuccessResult; |
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import org.transdroid.daemon.task.GetFileListTask; |
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import org.transdroid.daemon.task.GetFileListTaskSuccessResult; |
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import org.transdroid.daemon.task.GetTorrentDetailsTask; |
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import org.transdroid.daemon.task.GetTorrentDetailsTaskSuccessResult; |
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import org.transdroid.daemon.task.PauseTask; |
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import org.transdroid.daemon.task.RemoveTask; |
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import org.transdroid.daemon.task.ResumeTask; |
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import org.transdroid.daemon.task.RetrieveTask; |
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import org.transdroid.daemon.task.RetrieveTaskSuccessResult; |
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import org.transdroid.daemon.task.SetTransferRatesTask; |
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import org.transdroid.daemon.util.DLog; |
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import org.transdroid.daemon.util.HttpHelper; |
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import android.net.Uri; |
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import android.text.TextUtils; |
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/** |
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* The daemon adapter from the Aria2 torrent client. Documentation available at |
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* http://aria2.sourceforge.net/manual/en/html/aria2c.html
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* @author erickok |
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*/ |
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public class Aria2Adapter implements IDaemonAdapter { |
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private static final String LOG_NAME = "Aria2 daemon"; |
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private DaemonSettings settings; |
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private DefaultHttpClient httpclient; |
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public Aria2Adapter(DaemonSettings settings) { |
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this.settings = settings; |
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} |
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@Override |
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public DaemonTaskResult executeTask(DaemonTask task) { |
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try { |
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JSONArray params = new JSONArray(); |
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switch (task.getMethod()) { |
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case Retrieve: |
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// Request all torrents from server
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// NOTE Since there is no aria2.tellAll (or something) we have to use batch requests
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JSONArray fields = new JSONArray().put("gid").put("status").put("totalLength").put("completedLength") |
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.put("uploadLength").put("downloadSpeed").put("uploadSpeed").put("numSeeders").put("dir") |
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.put("connections").put("errorCode").put("bittorrent").put("files"); |
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JSONObject active = buildRequest("aria2.tellActive", new JSONArray().put(fields)); |
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JSONObject waiting = buildRequest("aria2.tellWaiting", new JSONArray().put(0).put(9999).put(fields)); |
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JSONObject stopped = buildRequest("aria2.tellStopped", new JSONArray().put(0).put(9999).put(fields)); |
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params.put(active).put(waiting).put(stopped); |
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List<Torrent> torrents = new ArrayList<Torrent>(); |
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JSONArray lists = makeRequestForArray(params.toString()); |
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for (int i = 0; i < lists.length(); i++) { |
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torrents.addAll(parseJsonRetrieveTorrents(lists.getJSONObject(i).getJSONArray("result"))); |
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} |
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return new RetrieveTaskSuccessResult((RetrieveTask) task, torrents, null); |
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case GetTorrentDetails: |
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// Request file listing of a torrent
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params.put(task.getTargetTorrent().getUniqueID()); // gid
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params.put(new JSONArray().put("bittorrent").put("errorCode")); |
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JSONObject dinfo = makeRequest(buildRequest("aria2.tellStatus", params).toString()); |
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return new GetTorrentDetailsTaskSuccessResult((GetTorrentDetailsTask) task, |
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parseJsonTorrentDetails(dinfo.getJSONObject("result"))); |
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case GetFileList: |
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// Request file listing of a torrent
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params.put(task.getTargetTorrent().getUniqueID()); // torrent_id
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JSONObject finfo = makeRequest(buildRequest("aria2.getFiles", params).toString()); |
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return new GetFileListTaskSuccessResult((GetFileListTask) task, parseJsonFileListing( |
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finfo.getJSONArray("result"), task.getTargetTorrent())); |
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case AddByFile: |
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// Encode the .torrent file's data
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String file = ((AddByFileTask) task).getFile(); |
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InputStream in = new Base64.InputStream(new FileInputStream(new File(URI.create(file))), Base64.ENCODE); |
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StringWriter writer = new StringWriter(); |
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int c; |
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while ((c = in.read()) != -1) { |
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writer.write(c); |
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} |
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in.close(); |
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// Request to add a torrent by local .torrent file
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params.put(writer.toString()); |
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makeRequest(buildRequest("aria2.addTorrent", params).toString()); |
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return new DaemonTaskSuccessResult(task); |
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case AddByUrl: |
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// Request to add a torrent by URL
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String url = ((AddByUrlTask) task).getUrl(); |
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params.put(new JSONArray().put(url)); |
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makeRequest(buildRequest("aria2.addUri", params).toString()); |
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return new DaemonTaskSuccessResult(task); |
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case AddByMagnetUrl: |
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// Request to add a magnet link by URL
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String magnet = ((AddByMagnetUrlTask) task).getUrl(); |
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params.put(new JSONArray().put(magnet)); |
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makeRequest(buildRequest("aria2.addUri", params).toString()); |
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return new DaemonTaskSuccessResult(task); |
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case Remove: |
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// Remove a torrent
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RemoveTask removeTask = (RemoveTask) task; |
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makeRequest(buildRequest(removeTask.includingData() ? "aria2.removeDownloadResult" : "aria2.remove", |
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params.put(removeTask.getTargetTorrent().getUniqueID())).toString()); |
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return new DaemonTaskSuccessResult(task); |
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case Pause: |
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// Pause a torrent
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PauseTask pauseTask = (PauseTask) task; |
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makeRequest(buildRequest("aria2.pause", params.put(pauseTask.getTargetTorrent().getUniqueID())) |
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.toString()); |
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return new DaemonTaskSuccessResult(task); |
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case PauseAll: |
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// Resume all torrents
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makeRequest(buildRequest("aria2.pauseAll", null).toString()); |
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return new DaemonTaskSuccessResult(task); |
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case Resume: |
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// Resume a torrent
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ResumeTask resumeTask = (ResumeTask) task; |
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makeRequest(buildRequest("aria2.unpause", params.put(resumeTask.getTargetTorrent().getUniqueID())) |
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.toString()); |
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return new DaemonTaskSuccessResult(task); |
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case ResumeAll: |
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// Resume all torrents
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makeRequest(buildRequest("aria2.unpauseAll", null).toString()); |
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return new DaemonTaskSuccessResult(task); |
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case SetTransferRates: |
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// Request to set the maximum transfer rates
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SetTransferRatesTask ratesTask = (SetTransferRatesTask) task; |
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JSONObject options = new JSONObject(); |
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options.put("max-overall-download-limit", (ratesTask.getDownloadRate() == null ? -1 : ratesTask |
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.getDownloadRate().intValue())); |
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options.put("max-overall-upload-limit", (ratesTask.getUploadRate() == null ? -1 : ratesTask |
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.getUploadRate().intValue())); |
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makeRequest(buildRequest("aria2.changeGlobalOption", params.put(options)).toString()); |
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return new DaemonTaskSuccessResult(task); |
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default: |
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return new DaemonTaskFailureResult(task, new DaemonException(ExceptionType.MethodUnsupported, |
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task.getMethod() + " is not supported by " + getType())); |
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} |
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} catch (JSONException e) { |
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return new DaemonTaskFailureResult(task, new DaemonException(ExceptionType.ParsingFailed, e.toString())); |
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} catch (DaemonException e) { |
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return new DaemonTaskFailureResult(task, e); |
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} catch (FileNotFoundException e) { |
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return new DaemonTaskFailureResult(task, new DaemonException(ExceptionType.FileAccessError, e.toString())); |
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} catch (IOException e) { |
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return new DaemonTaskFailureResult(task, new DaemonException(ExceptionType.FileAccessError, e.toString())); |
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} |
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} |
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private JSONObject buildRequest(String sendMethod, JSONArray params) throws JSONException { |
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// Build request for method
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if (!TextUtils.isEmpty(settings.getExtraPassword())) { |
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JSONArray signed = new JSONArray(); |
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// Start with the secret token as parameter and then add the normal parameters
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signed.put("token:" + settings.getExtraPassword()); |
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for (int i = 0; i < params.length(); i++) { |
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signed.put(params.get(i)); |
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} |
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params = signed; |
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} |
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JSONObject request = new JSONObject(); |
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request.put("id", "transdroid"); |
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request.put("jsonrpc", "2.0"); |
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request.put("method", sendMethod); |
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request.put("params", params); |
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return request; |
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} |
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private synchronized JSONObject makeRequest(String data) throws DaemonException { |
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String raw = makeRawRequest(data); |
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try { |
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return new JSONObject(raw); |
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} catch (JSONException e) { |
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DLog.d(LOG_NAME, "Error: " + e.toString()); |
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throw new DaemonException(ExceptionType.UnexpectedResponse, e.toString()); |
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} |
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} |
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private synchronized JSONArray makeRequestForArray(String data) throws DaemonException { |
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String raw = makeRawRequest(data); |
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try { |
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return new JSONArray(raw); |
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} catch (JSONException e) { |
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DLog.d(LOG_NAME, "Error: " + e.toString()); |
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throw new DaemonException(ExceptionType.UnexpectedResponse, e.toString()); |
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} |
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} |
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private synchronized String makeRawRequest(String data) throws DaemonException { |
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try { |
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// Initialise the HTTP client
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if (httpclient == null) { |
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httpclient = HttpHelper.createStandardHttpClient(settings, !TextUtils.isEmpty(settings.getUsername())); |
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httpclient.addRequestInterceptor(HttpHelper.gzipRequestInterceptor); |
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httpclient.addResponseInterceptor(HttpHelper.gzipResponseInterceptor); |
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} |
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// Set POST URL and data
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String url = (settings.getSsl() ? "https://" : "http://") + settings.getAddress() + ":" |
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+ settings.getPort() + (settings.getFolder() == null ? "" : settings.getFolder()) + "/jsonrpc"; |
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HttpPost httppost = new HttpPost(url); |
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httppost.setEntity(new StringEntity(data)); |
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httppost.setHeader("Content-Type", "application/json"); |
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httppost.setHeader("Accept", "application/json"); |
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// Execute
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HttpResponse response = httpclient.execute(httppost); |
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HttpEntity entity = response.getEntity(); |
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if (entity == null) |
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throw new DaemonException(ExceptionType.UnexpectedResponse, "No HTTP entity in response object."); |
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// Read JSON response
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InputStream instream = entity.getContent(); |
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String result = HttpHelper.convertStreamToString(instream); |
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instream.close(); |
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DLog.d(LOG_NAME, |
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"Success: " |
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+ (result.length() > 300 ? result.substring(0, 300) + "... (" + result.length() + " chars)" |
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: result)); |
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return result; |
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} catch (Exception e) { |
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DLog.d(LOG_NAME, "Error: " + e.toString()); |
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throw new DaemonException(ExceptionType.ConnectionError, e.toString()); |
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} |
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} |
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private ArrayList<Torrent> parseJsonRetrieveTorrents(JSONArray response) throws JSONException, DaemonException { |
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// Parse response
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ArrayList<Torrent> torrents = new ArrayList<Torrent>(); |
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for (int j = 0; j < response.length(); j++) { |
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// Add the parsed torrent to the list
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JSONObject tor = response.getJSONObject(j); |
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int downloadSpeed = tor.getInt("downloadSpeed"); |
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long totalLength = tor.getLong("totalLength"); |
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long completedLength = tor.getLong("completedLength"); |
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int numSeeders = tor.has("numSeeders") ? tor.getInt("numSeeders") : 0; |
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TorrentStatus status = convertAriaState(tor.getString("status"), completedLength == totalLength); |
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int errorCode = tor.optInt("errorCode", 0); |
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String error = errorCode > 0 ? convertAriaError(errorCode) : null; |
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String name = null; |
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JSONObject bittorrent = null; |
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if (tor.has("bittorrent")) { |
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// Get name form the bittorrent info object
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bittorrent = tor.getJSONObject("bittorrent"); |
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if (bittorrent.has("info")) |
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name = bittorrent.getJSONObject("info").getString("name"); |
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} else if (tor.has("files")) { |
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// Get name from the first included file we can find
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JSONArray files = tor.getJSONArray("files"); |
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if (files.length() > 0) { |
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name = Uri.parse(files.getJSONObject(0).getString("path")).getLastPathSegment(); |
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} |
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} |
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if (name == null) |
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name = tor.getString("gid"); // Fallback name
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// @formatter:off
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torrents.add(new Torrent( |
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j, |
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tor.getString("gid"), |
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name, |
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status, |
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tor.getString("dir"), |
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downloadSpeed, |
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tor.getInt("uploadSpeed"), |
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tor.getInt("connections"), |
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numSeeders , |
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tor.getInt("connections"), |
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numSeeders, |
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(downloadSpeed > 0? (int) (totalLength / downloadSpeed): -1), |
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completedLength, |
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tor.getLong("uploadLength"), |
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totalLength, |
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completedLength / (float) totalLength, // Percentage to [0..1]
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0f, // Not available
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null, // Not available
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null, // Not available
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null, // Not available
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error, |
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settings.getType())); |
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// @formatter:on
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} |
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return torrents; |
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} |
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private ArrayList<TorrentFile> parseJsonFileListing(JSONArray response, Torrent torrent) throws JSONException { |
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// Parse response
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ArrayList<TorrentFile> files = new ArrayList<TorrentFile>(); |
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for (int j = 0; j < response.length(); j++) { |
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JSONObject file = response.getJSONObject(j); |
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// Add the parsed torrent to the list
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// @formatter:off
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String rel = file.getString("path"); |
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if (rel.startsWith(torrent.getLocationDir())) { |
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rel = rel.substring(torrent.getLocationDir().length()); |
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} |
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files.add(new TorrentFile( |
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Integer.toString(file.getInt("index")), |
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rel, |
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rel, |
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file.getString("path"), |
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file.getLong("length"), |
||||||
|
file.getLong("completedLength"), |
||||||
|
file.getBoolean("selected") ? Priority.Normal : Priority.Off)); |
||||||
|
// @formatter:on
|
||||||
|
|
||||||
|
} |
||||||
|
return files; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
private TorrentDetails parseJsonTorrentDetails(JSONObject response) throws JSONException { |
||||||
|
|
||||||
|
// Parse response
|
||||||
|
List<String> trackers = new ArrayList<String>(); |
||||||
|
List<String> errors = new ArrayList<String>(); |
||||||
|
|
||||||
|
int error = response.optInt("errorCode", 0); |
||||||
|
if (error > 0) |
||||||
|
errors.add(convertAriaError(error)); |
||||||
|
|
||||||
|
if (response.has("bittorrent")) { |
||||||
|
JSONObject bittorrent = response.getJSONObject("bittorrent"); |
||||||
|
JSONArray announceList = bittorrent.getJSONArray("announceList"); |
||||||
|
for (int i = 0; i < announceList.length(); i++) { |
||||||
|
JSONArray announceUrlList = announceList.getJSONArray(i); |
||||||
|
for (int j = 0; j < announceUrlList.length(); j++) { |
||||||
|
trackers.add(announceUrlList.getString(j)); |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
return new TorrentDetails(trackers, errors); |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
private TorrentStatus convertAriaState(String state, boolean isFinished) { |
||||||
|
// Aria2 sends a string as status code
|
||||||
|
// (http://aria2.sourceforge.net/manual/en/html/aria2c.html#aria2.tellStatus)
|
||||||
|
if (state.equals("active")) { |
||||||
|
return isFinished ? TorrentStatus.Seeding : TorrentStatus.Downloading; |
||||||
|
} else if (state.equals("waiting")) { |
||||||
|
return TorrentStatus.Queued; |
||||||
|
} else if (state.equals("paused") || state.equals("complete")) { |
||||||
|
return TorrentStatus.Paused; |
||||||
|
} else if (state.equals("error")) { |
||||||
|
return TorrentStatus.Error; |
||||||
|
} else if (state.equals("removed")) { |
||||||
|
return TorrentStatus.Checking; |
||||||
|
} |
||||||
|
return TorrentStatus.Unknown; |
||||||
|
} |
||||||
|
|
||||||
|
private String convertAriaError(int errorCode) { |
||||||
|
// Aria2 sends an exit code as error (http://aria2.sourceforge.net/manual/en/html/aria2c.html#id1)
|
||||||
|
String error = "Aria error #" + Integer.toString(errorCode); |
||||||
|
switch (errorCode) { |
||||||
|
case 3: |
||||||
|
case 4: |
||||||
|
return error + ": Resource was not found"; |
||||||
|
case 5: |
||||||
|
return error + ": Aborted because download speed was too slow"; |
||||||
|
case 6: |
||||||
|
return error + ": Network problem occurred"; |
||||||
|
case 8: |
||||||
|
return error + ": Remote server did not support resume when resume was required to complete download"; |
||||||
|
case 9: |
||||||
|
return error + ": There was not enough disk space available"; |
||||||
|
case 11: |
||||||
|
case 12: |
||||||
|
return error + ": Duplicate file or info hash download"; |
||||||
|
case 15: |
||||||
|
case 16: |
||||||
|
return error + ": Aria2 could not create new or open or truncate existing file"; |
||||||
|
case 17: |
||||||
|
case 18: |
||||||
|
case 19: |
||||||
|
return error + ": File I/O error occurred"; |
||||||
|
case 20: |
||||||
|
case 27: |
||||||
|
return error + ": Aria2 could not parse Magnet URI or Metalink document"; |
||||||
|
case 21: |
||||||
|
return error + ": FTP command failed"; |
||||||
|
case 22: |
||||||
|
return error + ": HTTP response header was bad or unexpected"; |
||||||
|
case 23: |
||||||
|
return error + ": Too many redirects occurred"; |
||||||
|
case 24: |
||||||
|
return error + ": HTTP authorization failed"; |
||||||
|
case 26: |
||||||
|
return error + ": \".torrent\" file is corrupted or missing information that aria2 needs"; |
||||||
|
default: |
||||||
|
return error; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
@Override |
||||||
|
public Daemon getType() { |
||||||
|
return settings.getType(); |
||||||
|
} |
||||||
|
|
||||||
|
@Override |
||||||
|
public DaemonSettings getSettings() { |
||||||
|
return this.settings; |
||||||
|
} |
||||||
|
|
||||||
|
} |
||||||
Loading…
Reference in new issue