transmission/qt/session.cc

1145 lines
34 KiB
C++

/*
* This file Copyright (C) Mnemosyne LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* $Id$
*/
#include <cassert>
#include <iostream>
#include <QApplication>
#include <QByteArray>
#include <QClipboard>
#include <QCoreApplication>
#include <QDesktopServices>
#include <QMessageBox>
#include <QNetworkProxy>
#include <QNetworkProxyFactory>
#include <QNetworkReply>
#include <QNetworkRequest>
#include <QSet>
#include <QStringList>
#include <QStyle>
#include <QTextStream>
#include <curl/curl.h>
#include <event2/buffer.h>
#include <libtransmission/transmission.h>
#include <libtransmission/rpcimpl.h>
#include <libtransmission/utils.h> // tr_free
#include <libtransmission/variant.h>
#include <libtransmission/version.h> // LONG_VERSION
#include <libtransmission/web.h>
#include "add-data.h"
#include "prefs.h"
#include "session.h"
#include "session-dialog.h"
#include "torrent.h"
#include "utils.h"
// #define DEBUG_HTTP
namespace
{
enum
{
TAG_SOME_TORRENTS,
TAG_ALL_TORRENTS,
TAG_SESSION_STATS,
TAG_SESSION_INFO,
TAG_BLOCKLIST_UPDATE,
TAG_ADD_TORRENT,
TAG_PORT_TEST,
TAG_MAGNET_LINK,
TAG_RENAME_PATH,
FIRST_UNIQUE_TAG
};
}
/***
****
***/
namespace
{
typedef Torrent::KeyList KeyList;
const KeyList& getInfoKeys () { return Torrent::getInfoKeys (); }
const KeyList& getStatKeys () { return Torrent::getStatKeys (); }
const KeyList& getExtraStatKeys () { return Torrent::getExtraStatKeys (); }
void
addList (tr_variant * list, const KeyList& keys)
{
tr_variantListReserve (list, keys.size ());
foreach (tr_quark key, keys)
tr_variantListAddQuark (list, key);
}
}
/***
****
***/
void
Session :: sessionSet (const tr_quark key, const QVariant& value)
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "session-set");
tr_variant * args (tr_variantDictAddDict (&top, TR_KEY_arguments, 1));
switch (value.type ())
{
case QVariant::Bool: tr_variantDictAddBool (args, key, value.toBool ()); break;
case QVariant::Int: tr_variantDictAddInt (args, key, value.toInt ()); break;
case QVariant::Double: tr_variantDictAddReal (args, key, value.toDouble ()); break;
case QVariant::String: tr_variantDictAddStr (args, key, value.toString ().toUtf8 ().constData ()); break;
default: assert ("unknown type");
}
exec (&top);
tr_variantFree (&top);
}
void
Session :: portTest ()
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "port-test");
tr_variantDictAddInt (&top, TR_KEY_tag, TAG_PORT_TEST);
exec (&top);
tr_variantFree (&top);
}
void
Session :: copyMagnetLinkToClipboard (int torrentId)
{
tr_variant top;
tr_variantInitDict (&top, 3);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_get);
tr_variantDictAddInt (&top, TR_KEY_tag, TAG_MAGNET_LINK);
tr_variant * args = tr_variantDictAddDict (&top, TR_KEY_arguments, 2);
tr_variantListAddInt (tr_variantDictAddList (args, TR_KEY_ids, 1), torrentId);
tr_variantListAddStr (tr_variantDictAddList (args, TR_KEY_fields, 1), "magnetLink");
exec (&top);
tr_variantFree (&top);
}
void
Session :: updatePref (int key)
{
if (myPrefs.isCore (key)) switch (key)
{
case Prefs :: ALT_SPEED_LIMIT_DOWN:
case Prefs :: ALT_SPEED_LIMIT_ENABLED:
case Prefs :: ALT_SPEED_LIMIT_TIME_BEGIN:
case Prefs :: ALT_SPEED_LIMIT_TIME_DAY:
case Prefs :: ALT_SPEED_LIMIT_TIME_ENABLED:
case Prefs :: ALT_SPEED_LIMIT_TIME_END:
case Prefs :: ALT_SPEED_LIMIT_UP:
case Prefs :: BLOCKLIST_DATE:
case Prefs :: BLOCKLIST_ENABLED:
case Prefs :: BLOCKLIST_URL:
case Prefs :: DHT_ENABLED:
case Prefs :: DOWNLOAD_QUEUE_ENABLED:
case Prefs :: DOWNLOAD_QUEUE_SIZE:
case Prefs :: DSPEED:
case Prefs :: DSPEED_ENABLED:
case Prefs :: IDLE_LIMIT:
case Prefs :: IDLE_LIMIT_ENABLED:
case Prefs :: INCOMPLETE_DIR:
case Prefs :: INCOMPLETE_DIR_ENABLED:
case Prefs :: LPD_ENABLED:
case Prefs :: PEER_LIMIT_GLOBAL:
case Prefs :: PEER_LIMIT_TORRENT:
case Prefs :: PEER_PORT:
case Prefs :: PEER_PORT_RANDOM_ON_START:
case Prefs :: QUEUE_STALLED_MINUTES:
case Prefs :: PEX_ENABLED:
case Prefs :: PORT_FORWARDING:
case Prefs :: RENAME_PARTIAL_FILES:
case Prefs :: SCRIPT_TORRENT_DONE_ENABLED:
case Prefs :: SCRIPT_TORRENT_DONE_FILENAME:
case Prefs :: START:
case Prefs :: TRASH_ORIGINAL:
case Prefs :: USPEED:
case Prefs :: USPEED_ENABLED:
case Prefs :: UTP_ENABLED:
sessionSet (myPrefs.getKey (key), myPrefs.variant (key));
break;
case Prefs :: DOWNLOAD_DIR:
sessionSet (myPrefs.getKey (key), myPrefs.variant (key));
/* this will change the 'freespace' argument, so refresh */
refreshSessionInfo ();
break;
case Prefs :: RATIO:
sessionSet (TR_KEY_seedRatioLimit, myPrefs.variant (key));
break;
case Prefs :: RATIO_ENABLED:
sessionSet (TR_KEY_seedRatioLimited, myPrefs.variant (key));
break;
case Prefs :: ENCRYPTION:
{
const int i = myPrefs.variant (key).toInt ();
switch (i)
{
case 0:
sessionSet (myPrefs.getKey (key), "tolerated");
break;
case 1:
sessionSet (myPrefs.getKey (key), "preferred");
break;
case 2:
sessionSet (myPrefs.getKey (key), "required");
break;
}
break;
}
case Prefs :: RPC_AUTH_REQUIRED:
if (mySession)
tr_sessionSetRPCPasswordEnabled (mySession, myPrefs.getBool (key));
break;
case Prefs :: RPC_ENABLED:
if (mySession)
tr_sessionSetRPCEnabled (mySession, myPrefs.getBool (key));
break;
case Prefs :: RPC_PASSWORD:
if (mySession)
tr_sessionSetRPCPassword (mySession, myPrefs.getString (key).toUtf8 ().constData ());
break;
case Prefs :: RPC_PORT:
if (mySession)
tr_sessionSetRPCPort (mySession, myPrefs.getInt (key));
break;
case Prefs :: RPC_USERNAME:
if (mySession)
tr_sessionSetRPCUsername (mySession, myPrefs.getString (key).toUtf8 ().constData ());
break;
case Prefs :: RPC_WHITELIST_ENABLED:
if (mySession)
tr_sessionSetRPCWhitelistEnabled (mySession, myPrefs.getBool (key));
break;
case Prefs :: RPC_WHITELIST:
if (mySession)
tr_sessionSetRPCWhitelist (mySession, myPrefs.getString (key).toUtf8 ().constData ());
break;
default:
std::cerr << "unhandled pref: " << key << std::endl;
}
}
/***
****
***/
Session :: Session (const char * configDir, Prefs& prefs):
nextUniqueTag (FIRST_UNIQUE_TAG),
myBlocklistSize (-1),
myPrefs (prefs),
mySession (0),
myConfigDir (QString::fromUtf8 (configDir)),
myNAM (0)
{
myStats.ratio = TR_RATIO_NA;
myStats.uploadedBytes = 0;
myStats.downloadedBytes = 0;
myStats.filesAdded = 0;
myStats.sessionCount = 0;
myStats.secondsActive = 0;
myCumulativeStats = myStats;
connect (&myPrefs, SIGNAL (changed (int)), this, SLOT (updatePref (int)));
connect (this, SIGNAL (responseReceived (const QByteArray&)),
this, SLOT (onResponseReceived (const QByteArray&)));
}
Session :: ~Session ()
{
stop ();
}
QNetworkAccessManager *
Session :: networkAccessManager ()
{
if (myNAM == 0)
{
myNAM = new QNetworkAccessManager;
connect (myNAM, SIGNAL (finished (QNetworkReply*)),
this, SLOT (onFinished (QNetworkReply*)));
connect (myNAM, SIGNAL (authenticationRequired (QNetworkReply*,QAuthenticator*)),
this, SIGNAL (httpAuthenticationRequired ()));
}
return myNAM;
}
/***
****
***/
void
Session :: stop ()
{
if (myNAM != 0)
{
myNAM->deleteLater ();
myNAM = 0;
}
myUrl.clear ();
if (mySession)
{
tr_sessionClose (mySession);
mySession = 0;
}
}
void
Session :: restart ()
{
stop ();
start ();
}
void
Session :: start ()
{
if (myPrefs.get<bool> (Prefs::SESSION_IS_REMOTE))
{
QUrl url;
url.setScheme ("http");
url.setHost (myPrefs.get<QString> (Prefs::SESSION_REMOTE_HOST));
url.setPort (myPrefs.get<int> (Prefs::SESSION_REMOTE_PORT));
url.setPath ("/transmission/rpc");
if (myPrefs.get<bool> (Prefs::SESSION_REMOTE_AUTH))
{
url.setUserName (myPrefs.get<QString> (Prefs::SESSION_REMOTE_USERNAME));
url.setPassword (myPrefs.get<QString> (Prefs::SESSION_REMOTE_PASSWORD));
}
myUrl = url;
}
else
{
tr_variant settings;
tr_variantInitDict (&settings, 0);
tr_sessionLoadSettings (&settings, myConfigDir.toUtf8 ().constData (), "qt");
mySession = tr_sessionInit ("qt", myConfigDir.toUtf8 ().constData (), true, &settings);
tr_variantFree (&settings);
tr_ctor * ctor = tr_ctorNew (mySession);
int torrentCount;
tr_torrent ** torrents = tr_sessionLoadTorrents (mySession, ctor, &torrentCount);
tr_free (torrents);
tr_ctorFree (ctor);
}
emit sourceChanged ();
}
bool
Session :: isServer () const
{
return mySession != 0;
}
bool
Session :: isLocal () const
{
if (mySession != 0)
return true;
if (myUrl.host () == "127.0.0.1")
return true;
if (!myUrl.host ().compare ("localhost", Qt::CaseInsensitive))
return true;
return false;
}
/***
****
***/
namespace
{
tr_variant *
buildRequest (const char * method, tr_variant& top, int tag=-1)
{
tr_variantInitDict (&top, 3);
tr_variantDictAddStr (&top, TR_KEY_method, method);
if (tag >= 0)
tr_variantDictAddInt (&top, TR_KEY_tag, tag);
return tr_variantDictAddDict (&top, TR_KEY_arguments, 0);
}
void
addOptionalIds (tr_variant * args, const QSet<int>& ids)
{
if (!ids.isEmpty ())
{
tr_variant * idList (tr_variantDictAddList (args, TR_KEY_ids, ids.size ()));
foreach (int i, ids)
tr_variantListAddInt (idList, i);
}
}
}
void
Session :: torrentSet (const QSet<int>& ids, const tr_quark key, double value)
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_set);
tr_variant * args = tr_variantDictAddDict (&top, TR_KEY_arguments, 2);
tr_variantDictAddReal (args, key, value);
addOptionalIds (args, ids);
exec (&top);
tr_variantFree (&top);
}
void
Session :: torrentSet (const QSet<int>& ids, const tr_quark key, int value)
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_set);
tr_variant * args = tr_variantDictAddDict (&top, TR_KEY_arguments, 2);
tr_variantDictAddInt (args, key, value);
addOptionalIds (args, ids);
exec (&top);
tr_variantFree (&top);
}
void
Session :: torrentSet (const QSet<int>& ids, const tr_quark key, bool value)
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_set);
tr_variant * args = tr_variantDictAddDict (&top, TR_KEY_arguments, 2);
tr_variantDictAddBool (args, key, value);
addOptionalIds (args, ids);
exec (&top);
tr_variantFree (&top);
}
void
Session :: torrentSet (const QSet<int>& ids, const tr_quark key, const QStringList& value)
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_set);
tr_variant * args = tr_variantDictAddDict (&top, TR_KEY_arguments, 2);
addOptionalIds (args, ids);
tr_variant * list (tr_variantDictAddList (args, key, value.size ()));
foreach (const QString str, value)
tr_variantListAddStr (list, str.toUtf8 ().constData ());
exec (&top);
tr_variantFree (&top);
}
void
Session :: torrentSet (const QSet<int>& ids, const tr_quark key, const QList<int>& value)
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_set);
tr_variant * args (tr_variantDictAddDict (&top, TR_KEY_arguments, 2));
addOptionalIds (args, ids);
tr_variant * list (tr_variantDictAddList (args, key, value.size ()));
foreach (int i, value)
tr_variantListAddInt (list, i);
exec (&top);
tr_variantFree (&top);
}
void
Session :: torrentSet (const QSet<int>& ids, const tr_quark key, const QPair<int,QString>& value)
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_set);
tr_variant * args (tr_variantDictAddDict (&top, TR_KEY_arguments, 2));
addOptionalIds (args, ids);
tr_variant * list (tr_variantDictAddList (args, key, 2));
tr_variantListAddInt (list, value.first);
tr_variantListAddStr (list, value.second.toUtf8 ().constData ());
exec (&top);
tr_variantFree (&top);
}
void
Session :: torrentSetLocation (const QSet<int>& ids, const QString& location, bool doMove)
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_set_location);
tr_variant * args (tr_variantDictAddDict (&top, TR_KEY_arguments, 3));
addOptionalIds (args, ids);
tr_variantDictAddStr (args, TR_KEY_location, location.toUtf8 ().constData ());
tr_variantDictAddBool (args, TR_KEY_move, doMove);
exec (&top);
tr_variantFree (&top);
}
void
Session :: torrentRenamePath (const QSet<int>& ids, const QString& oldpath, const QString& newname)
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "torrent-rename-path");
tr_variantDictAddInt (&top, TR_KEY_tag, TAG_RENAME_PATH);
tr_variant * args (tr_variantDictAddDict (&top, TR_KEY_arguments, 3));
addOptionalIds (args, ids);
tr_variantDictAddStr (args, TR_KEY_path, oldpath.toUtf8 ().constData ());
tr_variantDictAddStr (args, TR_KEY_name, newname.toUtf8 ().constData ());
exec (&top);
tr_variantFree (&top);
}
void
Session :: refreshTorrents (const QSet<int>& ids)
{
if (ids.empty ())
{
refreshAllTorrents ();
}
else
{
tr_variant top;
tr_variantInitDict (&top, 3);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_get);
tr_variantDictAddInt (&top, TR_KEY_tag, TAG_SOME_TORRENTS);
tr_variant * args (tr_variantDictAddDict (&top, TR_KEY_arguments, 2));
addList (tr_variantDictAddList (args, TR_KEY_fields, 0), getStatKeys ());
addOptionalIds (args, ids);
exec (&top);
tr_variantFree (&top);
}
}
void
Session :: refreshExtraStats (const QSet<int>& ids)
{
tr_variant top;
tr_variantInitDict (&top, 3);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_get);
tr_variantDictAddInt (&top, TR_KEY_tag, TAG_SOME_TORRENTS);
tr_variant * args (tr_variantDictAddDict (&top, TR_KEY_arguments, 2));
addOptionalIds (args, ids);
addList (tr_variantDictAddList (args, TR_KEY_fields, 0), getStatKeys () + getExtraStatKeys ());
exec (&top);
tr_variantFree (&top);
}
void
Session :: sendTorrentRequest (const char * request, const QSet<int>& ids)
{
tr_variant top;
tr_variant * args (buildRequest (request, top));
addOptionalIds (args, ids);
exec (&top);
tr_variantFree (&top);
refreshTorrents (ids);
}
void Session :: pauseTorrents (const QSet<int>& ids) { sendTorrentRequest ("torrent-stop", ids); }
void Session :: startTorrents (const QSet<int>& ids) { sendTorrentRequest ("torrent-start", ids); }
void Session :: startTorrentsNow (const QSet<int>& ids) { sendTorrentRequest ("torrent-start-now", ids); }
void Session :: queueMoveTop (const QSet<int>& ids) { sendTorrentRequest ("queue-move-top", ids); }
void Session :: queueMoveUp (const QSet<int>& ids) { sendTorrentRequest ("queue-move-up", ids); }
void Session :: queueMoveDown (const QSet<int>& ids) { sendTorrentRequest ("queue-move-down", ids); }
void Session :: queueMoveBottom (const QSet<int>& ids) { sendTorrentRequest ("queue-move-bottom", ids); }
void
Session :: refreshActiveTorrents ()
{
tr_variant top;
tr_variantInitDict (&top, 3);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_get);
tr_variantDictAddInt (&top, TR_KEY_tag, TAG_SOME_TORRENTS);
tr_variant * args (tr_variantDictAddDict (&top, TR_KEY_arguments, 2));
tr_variantDictAddStr (args, TR_KEY_ids, "recently-active");
addList (tr_variantDictAddList (args, TR_KEY_fields, 0), getStatKeys ());
exec (&top);
tr_variantFree (&top);
}
void
Session :: refreshAllTorrents ()
{
tr_variant top;
tr_variantInitDict (&top, 3);
tr_variantDictAddQuark (&top, TR_KEY_method, TR_KEY_torrent_get);
tr_variantDictAddInt (&top, TR_KEY_tag, TAG_ALL_TORRENTS);
tr_variant * args (tr_variantDictAddDict (&top, TR_KEY_arguments, 1));
addList (tr_variantDictAddList (args, TR_KEY_fields, 0), getStatKeys ());
exec (&top);
tr_variantFree (&top);
}
void
Session :: initTorrents (const QSet<int>& ids)
{
tr_variant top;
const int tag (ids.isEmpty () ? TAG_ALL_TORRENTS : TAG_SOME_TORRENTS);
tr_variant * args (buildRequest ("torrent-get", top, tag));
addOptionalIds (args, ids);
addList (tr_variantDictAddList (args, TR_KEY_fields, 0), getStatKeys ()+getInfoKeys ());
exec (&top);
tr_variantFree (&top);
}
void
Session :: refreshSessionStats ()
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "session-stats");
tr_variantDictAddInt (&top, TR_KEY_tag, TAG_SESSION_STATS);
exec (&top);
tr_variantFree (&top);
}
void
Session :: refreshSessionInfo ()
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "session-get");
tr_variantDictAddInt (&top, TR_KEY_tag, TAG_SESSION_INFO);
exec (&top);
tr_variantFree (&top);
}
void
Session :: updateBlocklist ()
{
tr_variant top;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "blocklist-update");
tr_variantDictAddInt (&top, TR_KEY_tag, TAG_BLOCKLIST_UPDATE);
exec (&top);
tr_variantFree (&top);
}
/***
****
***/
void
Session :: exec (const tr_variant * request)
{
char * str = tr_variantToStr (request, TR_VARIANT_FMT_JSON_LEAN, NULL);
exec (str);
tr_free (str);
}
void
Session :: localSessionCallback (tr_session * s, struct evbuffer * json, void * vself)
{
Q_UNUSED (s);
Session * self = static_cast<Session*> (vself);
/* this callback is invoked in the libtransmission thread, so we don't want
to process the response here... let's push it over to the Qt thread. */
self->responseReceived (QByteArray ( (const char *)evbuffer_pullup (json, -1),
(int)evbuffer_get_length (json)));
}
#define REQUEST_DATA_PROPERTY_KEY "requestData"
void
Session :: exec (const char * json)
{
if (mySession )
{
tr_rpc_request_exec_json (mySession, json, strlen (json), localSessionCallback, this);
}
else if (!myUrl.isEmpty ())
{
QNetworkRequest request;
request.setUrl (myUrl);
request.setRawHeader ("User-Agent", QString (QCoreApplication::instance ()->applicationName () + "/" + LONG_VERSION_STRING).toAscii ());
request.setRawHeader ("Content-Type", "application/json; charset=UTF-8");
if (!mySessionId.isEmpty ())
request.setRawHeader (TR_RPC_SESSION_ID_HEADER, mySessionId.toAscii ());
const QByteArray requestData (json);
QNetworkReply * reply = networkAccessManager ()->post (request, requestData);
reply->setProperty (REQUEST_DATA_PROPERTY_KEY, requestData);
connect (reply, SIGNAL (downloadProgress (qint64,qint64)), this, SIGNAL (dataReadProgress ()));
connect (reply, SIGNAL (uploadProgress (qint64,qint64)), this, SIGNAL (dataSendProgress ()));
#ifdef DEBUG_HTTP
std::cerr << "sending " << "POST " << qPrintable (myUrl.path ()) << std::endl;
foreach (QByteArray b, request.rawHeaderList ())
std::cerr << b.constData ()
<< ": "
<< request.rawHeader (b).constData ()
<< std::endl;
std::cerr << "Body:\n" << json << std::endl;
#endif
}
}
void
Session :: onFinished (QNetworkReply * reply)
{
#ifdef DEBUG_HTTP
std::cerr << "http response header: " << std::endl;
foreach (QByteArray b, reply->rawHeaderList ())
std::cerr << b.constData ()
<< ": "
<< reply->rawHeader (b).constData ()
<< std::endl;
std::cerr << "json:\n" << reply->peek (reply->bytesAvailable ()).constData () << std::endl;
#endif
if ( (reply->attribute (QNetworkRequest::HttpStatusCodeAttribute).toInt () == 409)
&& (reply->hasRawHeader (TR_RPC_SESSION_ID_HEADER)))
{
// we got a 409 telling us our session id has expired.
// update it and resubmit the request.
mySessionId = QString (reply->rawHeader (TR_RPC_SESSION_ID_HEADER));
exec (reply->property (REQUEST_DATA_PROPERTY_KEY).toByteArray ().constData ());
}
else if (reply->error () != QNetworkReply::NoError)
{
std::cerr << "http error: " << qPrintable (reply->errorString ()) << std::endl;
}
else
{
const QByteArray response (reply->readAll ());
const char * json (response.constData ());
int jsonLength (response.size ());
if (jsonLength>0 && json[jsonLength-1] == '\n') --jsonLength;
parseResponse (json, jsonLength);
}
reply->deleteLater ();
}
void
Session :: onResponseReceived (const QByteArray& utf8)
{
parseResponse (utf8.constData (), utf8.length ());
}
void
Session :: parseResponse (const char * json, size_t jsonLength)
{
tr_variant top;
const int err (tr_variantFromJson (&top, json, jsonLength));
if (!err)
{
int64_t tag = -1;
const char * result = NULL;
tr_variant * args = NULL;
tr_variantDictFindInt (&top, TR_KEY_tag, &tag);
tr_variantDictFindStr (&top, TR_KEY_result, &result, NULL);
tr_variantDictFindDict (&top, TR_KEY_arguments, &args);
emit executed (tag, result, args);
tr_variant * torrents;
const char * str;
if (tr_variantDictFindInt (&top, TR_KEY_tag, &tag))
{
switch (tag)
{
case TAG_SOME_TORRENTS:
case TAG_ALL_TORRENTS:
if (tr_variantDictFindDict (&top, TR_KEY_arguments, &args)) {
if (tr_variantDictFindList (args, TR_KEY_torrents, &torrents))
emit torrentsUpdated (torrents, tag==TAG_ALL_TORRENTS);
if (tr_variantDictFindList (args, TR_KEY_removed, &torrents))
emit torrentsRemoved (torrents);
}
break;
case TAG_SESSION_STATS:
if (tr_variantDictFindDict (&top, TR_KEY_arguments, &args))
updateStats (args);
break;
case TAG_SESSION_INFO:
if (tr_variantDictFindDict (&top, TR_KEY_arguments, &args))
updateInfo (args);
break;
case TAG_BLOCKLIST_UPDATE: {
int64_t intVal = 0;
if (tr_variantDictFindDict (&top, TR_KEY_arguments, &args))
if (tr_variantDictFindInt (args, TR_KEY_blocklist_size, &intVal))
setBlocklistSize (intVal);
break;
}
case TAG_RENAME_PATH:
{
int64_t id = 0;
const char * result = 0;
if (tr_variantDictFindStr (&top, TR_KEY_result, &result, 0) && strcmp (result, "success"))
{
const char * path = "";
const char * name = "";
tr_variantDictFindStr (args, TR_KEY_path, &path, 0);
tr_variantDictFindStr (args, TR_KEY_name, &name, 0);
const QString title = tr ("Error Renaming Path");
const QString text = tr ("<p><b>Unable to rename \"%1\" as \"%2\": %3.</b></p> <p>Please correct the errors and try again.</p>").arg (path).arg (name).arg (result);
QMessageBox * d = new QMessageBox (QMessageBox::Information, title, text,
QMessageBox::Close,
QApplication::activeWindow ());
connect (d, SIGNAL (rejected ()), d, SLOT (deleteLater ()));
d->show ();
}
else if (tr_variantDictFindInt (args, TR_KEY_id, &id) && id)
{
// let's get the updated file list
char * req = tr_strdup_printf ("{ \"arguments\": { \"fields\": [ \"fileStats\", \"files\", \"id\", \"name\" ], \"ids\": %d }, \"method\": \"torrent-get\", \"tag\": %d }",
int (id),
int (TAG_SOME_TORRENTS));
exec (req);
tr_free (req);
}
break;
}
case TAG_PORT_TEST: {
bool isOpen = 0;
if (tr_variantDictFindDict (&top, TR_KEY_arguments, &args))
tr_variantDictFindBool (args, TR_KEY_port_is_open, &isOpen);
emit portTested ( (bool)isOpen);
break;
}
case TAG_MAGNET_LINK: {
tr_variant * args;
tr_variant * torrents;
tr_variant * child;
const char * str;
if (tr_variantDictFindDict (&top, TR_KEY_arguments, &args)
&& tr_variantDictFindList (args, TR_KEY_torrents, &torrents)
&& ( (child = tr_variantListChild (torrents, 0)))
&& tr_variantDictFindStr (child, TR_KEY_magnetLink, &str, NULL))
QApplication::clipboard ()->setText (str);
break;
}
case TAG_ADD_TORRENT:
str = "";
if (tr_variantDictFindStr (&top, TR_KEY_result, &str, NULL) && strcmp (str, "success")) {
QMessageBox * d = new QMessageBox (QMessageBox::Information,
tr ("Add Torrent"),
QString::fromUtf8 (str),
QMessageBox::Close,
QApplication::activeWindow ());
connect (d, SIGNAL (rejected ()), d, SLOT (deleteLater ()));
d->show ();
}
break;
default:
break;
}
}
tr_variantFree (&top);
}
}
void
Session :: updateStats (tr_variant * d, struct tr_session_stats * stats)
{
int64_t i;
if (tr_variantDictFindInt (d, TR_KEY_uploadedBytes, &i))
stats->uploadedBytes = i;
if (tr_variantDictFindInt (d, TR_KEY_downloadedBytes, &i))
stats->downloadedBytes = i;
if (tr_variantDictFindInt (d, TR_KEY_filesAdded, &i))
stats->filesAdded = i;
if (tr_variantDictFindInt (d, TR_KEY_sessionCount, &i))
stats->sessionCount = i;
if (tr_variantDictFindInt (d, TR_KEY_secondsActive, &i))
stats->secondsActive = i;
stats->ratio = tr_getRatio (stats->uploadedBytes, stats->downloadedBytes);
}
void
Session :: updateStats (tr_variant * d)
{
tr_variant * c;
if (tr_variantDictFindDict (d, TR_KEY_current_stats, &c))
updateStats (c, &myStats);
if (tr_variantDictFindDict (d, TR_KEY_cumulative_stats, &c))
updateStats (c, &myCumulativeStats);
emit statsUpdated ();
}
void
Session :: updateInfo (tr_variant * d)
{
int64_t i;
const char * str;
disconnect (&myPrefs, SIGNAL (changed (int)), this, SLOT (updatePref (int)));
for (int i=Prefs::FIRST_CORE_PREF; i<=Prefs::LAST_CORE_PREF; ++i)
{
const tr_variant * b (tr_variantDictFind (d, myPrefs.getKey (i)));
if (!b)
continue;
if (i == Prefs :: ENCRYPTION)
{
const char * val;
if (tr_variantGetStr (b, &val, NULL))
{
if (!qstrcmp (val , "required"))
myPrefs.set (i, 2);
else if (!qstrcmp (val , "preferred"))
myPrefs.set (i, 1);
else if (!qstrcmp (val , "tolerated"))
myPrefs.set (i, 0);
}
continue;
}
switch (myPrefs.type (i))
{
case QVariant :: Int:
{
int64_t val;
if (tr_variantGetInt (b, &val))
myPrefs.set (i, (int)val);
break;
}
case QVariant :: Double:
{
double val;
if (tr_variantGetReal (b, &val))
myPrefs.set (i, val);
break;
}
case QVariant :: Bool:
{
bool val;
if (tr_variantGetBool (b, &val))
myPrefs.set (i, (bool)val);
break;
}
case TrTypes :: FilterModeType:
case TrTypes :: SortModeType:
case QVariant :: String:
{
const char * val;
if (tr_variantGetStr (b, &val, NULL))
myPrefs.set (i, QString (val));
break;
}
default:
break;
}
}
bool b;
double x;
if (tr_variantDictFindBool (d, TR_KEY_seedRatioLimited, &b))
myPrefs.set (Prefs::RATIO_ENABLED, b ? true : false);
if (tr_variantDictFindReal (d, TR_KEY_seedRatioLimit, &x))
myPrefs.set (Prefs::RATIO, x);
/* Use the C API to get settings that, for security reasons, aren't supported by RPC */
if (mySession != 0)
{
myPrefs.set (Prefs::RPC_ENABLED, tr_sessionIsRPCEnabled (mySession));
myPrefs.set (Prefs::RPC_AUTH_REQUIRED, tr_sessionIsRPCPasswordEnabled (mySession));
myPrefs.set (Prefs::RPC_PASSWORD, tr_sessionGetRPCPassword (mySession));
myPrefs.set (Prefs::RPC_PORT, tr_sessionGetRPCPort (mySession));
myPrefs.set (Prefs::RPC_USERNAME, tr_sessionGetRPCUsername (mySession));
myPrefs.set (Prefs::RPC_WHITELIST_ENABLED, tr_sessionGetRPCWhitelistEnabled (mySession));
myPrefs.set (Prefs::RPC_WHITELIST, tr_sessionGetRPCWhitelist (mySession));
}
if (tr_variantDictFindInt (d, TR_KEY_blocklist_size, &i) && i!=blocklistSize ())
setBlocklistSize (i);
if (tr_variantDictFindStr (d, TR_KEY_version, &str, NULL) && (mySessionVersion != str))
mySessionVersion = str;
//std::cerr << "Session :: updateInfo end" << std::endl;
connect (&myPrefs, SIGNAL (changed (int)), this, SLOT (updatePref (int)));
emit sessionUpdated ();
}
void
Session :: setBlocklistSize (int64_t i)
{
myBlocklistSize = i;
emit blocklistUpdated (i);
}
void
Session :: addTorrent (const AddData& addMe)
{
const QByteArray b64 = addMe.toBase64 ();
tr_variant top, *args;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "torrent-add");
args = tr_variantDictAddDict (&top, TR_KEY_arguments, 2);
tr_variantDictAddBool (args, TR_KEY_paused, !myPrefs.getBool (Prefs::START));
switch (addMe.type)
{
case AddData::MAGNET:
tr_variantDictAddStr (args, TR_KEY_filename, addMe.magnet.toUtf8 ().constData ());
break;
case AddData::URL:
tr_variantDictAddStr (args, TR_KEY_filename, addMe.url.toString ().toUtf8 ().constData ());
break;
case AddData::FILENAME: /* fall-through */
case AddData::METAINFO:
tr_variantDictAddRaw (args, TR_KEY_metainfo, b64.constData (), b64.size ());
break;
default:
std::cerr << "Unhandled AddData type: " << addMe.type << std::endl;
break;
}
exec (&top);
tr_variantFree (&top);
}
void
Session :: addNewlyCreatedTorrent (const QString& filename, const QString& localPath)
{
const QByteArray b64 = AddData (filename).toBase64 ();
const QByteArray localPathUtf8 = localPath.toUtf8 ();
tr_variant top, *args;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "torrent-add");
args = tr_variantDictAddDict (&top, TR_KEY_arguments, 3);
tr_variantDictAddStr (args, TR_KEY_download_dir, localPathUtf8.constData ());
tr_variantDictAddBool (args, TR_KEY_paused, !myPrefs.getBool (Prefs::START));
tr_variantDictAddRaw (args, TR_KEY_metainfo, b64.constData (), b64.size ());
exec (&top);
tr_variantFree (&top);
}
void
Session :: removeTorrents (const QSet<int>& ids, bool deleteFiles)
{
if (!ids.isEmpty ())
{
tr_variant top, *args;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "torrent-remove");
args = tr_variantDictAddDict (&top, TR_KEY_arguments, 2);
addOptionalIds (args, ids);
tr_variantDictAddInt (args, TR_KEY_delete_local_data, deleteFiles);
exec (&top);
tr_variantFree (&top);
}
}
void
Session :: verifyTorrents (const QSet<int>& ids)
{
if (!ids.isEmpty ())
{
tr_variant top, *args;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "torrent-verify");
args = tr_variantDictAddDict (&top, TR_KEY_arguments, 1);
addOptionalIds (args, ids);
exec (&top);
tr_variantFree (&top);
}
}
void
Session :: reannounceTorrents (const QSet<int>& ids)
{
if (!ids.isEmpty ())
{
tr_variant top, *args;
tr_variantInitDict (&top, 2);
tr_variantDictAddStr (&top, TR_KEY_method, "torrent-reannounce");
args = tr_variantDictAddDict (&top, TR_KEY_arguments, 1);
addOptionalIds (args, ids);
exec (&top);
tr_variantFree (&top);
}
}
/***
****
***/
void
Session :: launchWebInterface ()
{
QUrl url;
if (!mySession) // remote session
{
url = myUrl;
url.setPath ("/transmission/web/");
}
else // local session
{
url.setScheme ("http");
url.setHost ("localhost");
url.setPort (myPrefs.getInt (Prefs::RPC_PORT));
}
QDesktopServices :: openUrl (url);
}