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added another constructor to create_torrent that copies a torrent_info.

This commit is contained in:
Arvid Norberg 2008-09-24 17:05:12 +00:00
parent 0ae891118b
commit 6d97d562f9
2 changed files with 47 additions and 0 deletions
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6
include/libtorrent/create_torrent.hpp
View File

@ -63,11 +63,13 @@ namespace libtorrent
{
namespace fs = boost::filesystem;
namespace pt = boost::posix_time;
class torrent_info;
struct TORRENT_EXPORT create_torrent
{
create_torrent(file_storage& fs, int piece_size);
create_torrent(file_storage& fs);
create_torrent(torrent_info const& ti);
entry generate() const;
file_storage const& files() const { return m_files; }
@ -88,6 +90,10 @@ namespace libtorrent
private:
file_storage& m_files;
// if m_info_dict is initialized, it is
// used instead of m_files to generate
// the info dictionary
entry m_info_dict;
// the urls to the trackers
typedef std::pair<std::string, int> announce_entry;

41
src/create_torrent.cpp
View File

@ -100,6 +100,41 @@ namespace libtorrent
(m_files.total_size() + m_files.piece_length() - 1) / m_files.piece_length()));
m_piece_hash.resize(m_files.num_pieces());
}
create_torrent::create_torrent(torrent_info const& ti)
: m_files(const_cast<file_storage&>(ti.files()))
, m_creation_date(pt::second_clock::universal_time())
, m_multifile(ti.num_files() > 1)
, m_private(ti.priv())
{
TORRENT_ASSERT(ti.is_valid());
if (ti.creation_date()) m_creation_date = *ti.creation_date();
if (!ti.creator().empty()) set_creator(ti.creator().c_str());
if (!ti.comment().empty()) set_comment(ti.comment().c_str());
torrent_info::nodes_t const& nodes = ti.nodes();
for (torrent_info::nodes_t::const_iterator i = nodes.begin()
, end(nodes.end()); i != end; ++i)
add_node(*i);
std::vector<libtorrent::announce_entry> const& trackers = ti.trackers();
for (std::vector<libtorrent::announce_entry>::const_iterator i = trackers.begin()
, end(trackers.end()); i != end; ++i)
add_tracker(i->url, i->tier);
std::vector<std::string> const& web_seeds = ti.url_seeds();
for (std::vector<std::string>::const_iterator i = web_seeds.begin()
, end(web_seeds.end()); i != end; ++i)
add_url_seed(*i);
m_piece_hash.resize(m_files.num_pieces());
for (int i = 0; i < num_pieces(); ++i) set_hash(i, ti.hash_for_piece(i));
m_info_dict = bdecode(&ti.metadata()[0], &ti.metadata()[0] + ti.metadata_size());
m_info_hash = ti.info_hash();
}
entry create_torrent::generate() const
{
TORRENT_ASSERT(m_files.piece_length() > 0);
@ -176,6 +211,12 @@ namespace libtorrent
}
entry& info = dict["info"];
if (m_info_dict.type() == entry::dictionary_t)
{
info = m_info_dict;
return dict;
}
info["name"] = m_files.name();
if (m_private) info["private"] = 1;