OpenSpace/modules/sync/torrentclient.cpp

/*****************************************************************************************
 *                                                                                       *
 * OpenSpace                                                                             *
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 * Copyright (c) 2014-2017                                                               *
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#include "torrentclient.h"

#include <libtorrent/entry.hpp>
#include <libtorrent/bencode.hpp>
#include <libtorrent/session.hpp>
#include <libtorrent/alert_types.hpp>
#include <libtorrent/torrent_info.hpp>

#include <openspace/openspace.h>

#include <ghoul/logging/logmanager.h>

namespace {
    const char* _loggerCat = "TorrentClient";
}

namespace openspace {

TorrentClient::TorrentClient() {}

TorrentClient::~TorrentClient() {
    _keepRunning = false;
    _torrentThread.join();
}

void TorrentClient::initialize() {
    libtorrent::settings_pack settings;

    _session = std::make_unique<libtorrent::session>();

    settings.set_str(libtorrent::settings_pack::user_agent, "OpenSpace/" +
        std::to_string(openspace::OPENSPACE_VERSION_MAJOR) + "." +
        std::to_string(openspace::OPENSPACE_VERSION_MINOR) + "." +
        std::to_string(openspace::OPENSPACE_VERSION_PATCH));

    settings.set_bool(libtorrent::settings_pack::allow_multiple_connections_per_ip, true);
    settings.set_bool(libtorrent::settings_pack::ignore_limits_on_local_network, true);
    settings.set_int(libtorrent::settings_pack::connection_speed, 20);
    settings.set_int(libtorrent::settings_pack::active_downloads, -1);
    settings.set_int(libtorrent::settings_pack::active_seeds, -1);
    settings.set_int(libtorrent::settings_pack::active_limit, 30);
    settings.set_int(libtorrent::settings_pack::dht_announce_interval, 60);
    _session->apply_settings(settings);

    _session->add_dht_router({ "router.utorrent.com", 6881 });
    _session->add_dht_router({ "dht.transmissionbt.com", 6881 });
    _session->add_dht_router({ "router.bittorrent.com", 6881 });
    _session->add_dht_router({ "router.bitcomet.com", 6881 });

    libtorrent::error_code ec;
    _session->listen_on(std::make_pair(20280, 20290), ec);
    _session->start_upnp();

    _torrentThread = std::thread([this]() {
        while (_keepRunning) {
            std::vector<libtorrent::alert*> alerts;
            _session->pop_alerts(&alerts);

            for (lt::alert const* a : alerts) {
                LINFO(a->message());
                // if we receive the finished alert or an error, we're done
                if (lt::alert_cast<lt::torrent_finished_alert>(a)) {
                    LINFO(a->message());
                }
                if (lt::alert_cast<lt::torrent_error_alert>(a)) {
                    LINFO(a->message());
                }
            }
            std::this_thread::sleep_for(std::chrono::milliseconds(200));
        }
    });
}

int TorrentClient::addTorrentFile(std::string torrentFile, std::string destination) {
    if (!_session) {
        LERROR("Torrent session not initialized when adding torrent");
        return -1;
    }
    libtorrent::error_code ec;
    libtorrent::add_torrent_params p;

    p.save_path = destination;
    p.ti = std::make_shared<libtorrent::torrent_info>(torrentFile, ec, 0);

    _session->add_torrent(p, ec);
}

int TorrentClient::addMagnetLink(std::string magnetLink, std::string destination) {
    if (!_session) {
        LERROR("Torrent session not initialized when adding torrent");
        return -1;
    }
    libtorrent::error_code ec;
    libtorrent::add_torrent_params p;

    p.save_path = destination;
    p.url = magnetLink;

    _session->add_torrent(p, ec);
}

void TorrentClient::removeTorrent(int id) {
}


}