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- Save torrent file as soon as we get the torrent metadata so that it does not have to be redownloaded on restart

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This commit is contained in:
Christophe Dumez
2010-01-19 21:47:53 +00:00
parent a297204b27
commit d5da8a6277
3 changed files with 31 additions and 3 deletions
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22
src/qtorrenthandle.cpp
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@@ -39,6 +39,9 @@
#include "torrentpersistentdata.h"
#include <libtorrent/magnet_uri.hpp>
#include <libtorrent/torrent_info.hpp>
#include <libtorrent/bencode.hpp>
#include <libtorrent/entry.hpp>
#include <boost/filesystem/fstream.hpp>
QTorrentHandle::QTorrentHandle(torrent_handle h): h(h) {}
@@ -143,7 +146,7 @@ void QTorrentHandle::get_peer_info(std::vector<peer_info>& v) const {
bool QTorrentHandle::first_last_piece_first() const {
Q_ASSERT(h.is_valid());
// Detect main file
// Detect main file
int rank=0;
int main_file_index = 0;
file_entry main_file = h.get_torrent_info().file_at(0);
@@ -570,6 +573,23 @@ void QTorrentHandle::set_peer_upload_limit(libtorrent::asio::ip::tcp::endpoint i
h.set_peer_upload_limit(ip, limit);
}
bool QTorrentHandle::save_torrent_file(QString path) {
if(!h.has_metadata()) return false;
QFile met_file(path);
if(met_file.open(QIODevice::WriteOnly)) {
entry meta = bdecode(h.get_torrent_info().metadata().get(), h.get_torrent_info().metadata().get()+h.get_torrent_info().metadata_size());
entry torrent_file(entry::dictionary_t);
torrent_file["info"] = meta;
if(!h.trackers().empty())
torrent_file["announce"] = h.trackers().front().url;
boost::filesystem::ofstream out(path.toLocal8Bit().data(), std::ios_base::binary);
out.unsetf(std::ios_base::skipws);
bencode(std::ostream_iterator<char>(out), torrent_file);
return true;
}
return false;
}
void QTorrentHandle::set_peer_download_limit(libtorrent::asio::ip::tcp::endpoint ip, int limit) const {
Q_ASSERT(h.is_valid());
h.set_peer_download_limit(ip, limit);