mirror of
https://github.com/rakshasa/rtorrent.git
synced 2026-08-12 05:02:31 +00:00
Rosen Penev
149 lines
4.1 KiB
C++
149 lines
4.1 KiB
C++
#include "config.h"
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#include <list>
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#include <rak/file_stat.h>
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#include <rak/path.h>
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#include <torrent/exceptions.h>
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#include <torrent/rate.h>
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#include <torrent/torrent.h>
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#include <torrent/tracker/tracker.h>
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#include <torrent/data/file.h>
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#include <torrent/data/file_list.h>
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#include "rpc/parse_commands.h"
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#include "control.h"
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#include "download.h"
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#include "manager.h"
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namespace core {
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Download::Download(download_type d) :
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m_download(d) {
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m_download.info()->signal_tracker_success().push_back(std::bind(&Download::receive_tracker_msg, this, ""));
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m_download.info()->signal_tracker_failed().push_back(std::bind(&Download::receive_tracker_msg, this, std::placeholders::_1));
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}
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Download::~Download() {
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if (!m_download.is_valid())
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return;
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m_download = download_type();
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}
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void
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Download::enable_udp_trackers(bool state) {
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for (int idx = 0, end = m_download.tracker_controller().size(); idx < end; ++idx) {
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auto tracker = m_download.tracker_controller().at(idx);
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if (tracker.type() != torrent::TRACKER_UDP)
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continue;
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if (state)
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tracker.enable();
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else
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tracker.disable();
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}
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}
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uint32_t
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Download::priority() {
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return bencode()->get_key("rtorrent").get_key_value("priority");
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}
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void
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Download::set_priority(uint32_t p) {
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p %= 4;
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// Seeding torrents get half the priority of unfinished torrents.
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if (!is_done())
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torrent::download_set_priority(m_download, p * p * 2);
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else
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torrent::download_set_priority(m_download, p * p);
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bencode()->get_key("rtorrent").insert_key("priority", (int64_t)p);
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}
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uint32_t
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Download::connection_list_size() const {
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return m_download.connection_list()->size();
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}
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void
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Download::receive_tracker_msg(std::string msg) {
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if (msg.empty())
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m_message = "";
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else
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m_message = "Tracker: [" + msg + "]";
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}
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float
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Download::distributed_copies() const {
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const uint8_t* avail = m_download.chunks_seen();
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const torrent::Bitfield* bitfield = m_download.file_list()->bitfield();
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if (avail == NULL)
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return 0;
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int minAvail = std::numeric_limits<uint8_t>::max();
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int num = 0;
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for (uint32_t i = m_download.file_list()->size_chunks(); i-- > 0; ) {
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int totAvail = (int)avail[i] + bitfield->get(i);
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if (totAvail == minAvail) {
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num++;
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} else if (totAvail < minAvail) {
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minAvail = totAvail;
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num = 1;
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}
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}
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return minAvail + 1 - bitfield->is_all_set() - (float)num / m_download.file_list()->size_chunks();
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}
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void
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Download::set_throttle_name(const std::string& throttleName) {
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if (m_download.info()->is_active())
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throw torrent::input_error("Cannot set throttle on active download.");
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torrent::ThrottlePair throttles = control->core()->get_throttle(throttleName);
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m_download.set_upload_throttle(throttles.first);
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m_download.set_download_throttle(throttles.second);
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m_download.bencode()->get_key("rtorrent").insert_key("throttle_name", throttleName);
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}
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void
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Download::set_root_directory(const std::string& path) {
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// If the download is open, hashed and has completed chunks make
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// sure to verify that the download files are still present.
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//
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// This should ensure that no one tries to set the destination
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// directory 'after' moving files. In cases where the user wants to
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// override this behavior the download must first be closed or
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// 'd.directory_base.set' may be used.
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rak::file_stat file_stat;
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torrent::FileList* file_list = m_download.file_list();
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if (is_hash_checked() && file_list->completed_chunks() != 0 &&
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(file_list->is_multi_file() ?
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!file_list->is_root_dir_created() :
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!file_stat.update(file_list->front()->frozen_path()))) {
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set_message("Cannot change the directory of an open download after the files have been moved.");
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rpc::call_command("d.state.set", (int64_t)0, rpc::make_target(this));
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control->core()->download_list()->close_directly(this);
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throw torrent::input_error("Cannot change the directory of an open download atter the files have been moved.");
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}
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control->core()->download_list()->close_directly(this);
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file_list->set_root_dir(rak::path_expand(path));
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bencode()->get_key("rtorrent").insert_key("directory", path);
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}
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}
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