factor out parse_tracker_response and add unit tests. make gen_todo cover tests also, and regenerate todo.html
This commit is contained in:
Arvid Norberg
parent
1c915f2e95
commit
2d438e0758
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@ -1,7 +1,7 @@
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import glob
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import os
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paths = ['src/*.cpp', 'src/kademlia/*.cpp', 'include/libtorrent/*.hpp', 'include/libtorrent/kademlia/*.hpp', 'include/libtorrent/aux_/*.hpp', 'include/libtorrent/extensions/*.hpp']
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paths = ['test/*.cpp', 'src/*.cpp', 'src/kademlia/*.cpp', 'include/libtorrent/*.hpp', 'include/libtorrent/kademlia/*.hpp', 'include/libtorrent/aux_/*.hpp', 'include/libtorrent/extensions/*.hpp']
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os.system('(cd .. ; ctags %s 2>/dev/null)' % ' '.join(paths))
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1626
docs/todo.html
1626
docs/todo.html
File diff suppressed because one or more lines are too long
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@ -95,9 +95,6 @@ namespace libtorrent
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virtual void on_timeout(error_code const&) {}
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void parse(int status_code, lazy_entry const& e);
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bool extract_peer_info(lazy_entry const& e, peer_entry& ret);
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tracker_manager& m_man;
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boost::shared_ptr<http_connection> m_tracker_connection;
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aux::session_impl& m_ses;
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@ -109,6 +106,9 @@ namespace libtorrent
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#endif
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};
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TORRENT_EXTRA_EXPORT tracker_response parse_tracker_response(
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char const* data, int size, error_code& ec
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, bool scrape_request, sha1_hash scrape_ih);
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}
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#endif // TORRENT_HTTP_TRACKER_CONNECTION_HPP_INCLUDED
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@ -237,7 +237,8 @@ namespace libtorrent
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// if this is a dictionary, look for a key ``name`` whose value
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// is an int. If such key exist, return a pointer to its value,
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// otherwise NULL.
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boost::int64_t dict_find_int_value(char const* name, boost::int64_t default_val = 0) const;
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boost::int64_t dict_find_int_value(char const* name
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, boost::int64_t default_val = 0) const;
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lazy_entry const* dict_find_int(char const* name) const;
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// these functions require that ``this`` is a dictionary.
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@ -150,20 +150,48 @@ namespace libtorrent
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, min_interval(120)
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, complete(-1)
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, incomplete(-1)
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, downloaders(-1)
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, downloaded(-1)
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{}
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// peers from the tracker, in various forms
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std::vector<peer_entry> peers;
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std::vector<ipv4_peer_entry> peers4;
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#if TORRENT_USE_IPV6
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std::vector<ipv6_peer_entry> peers6;
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#endif
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// our external IP address (if the tracker responded with ti, otherwise
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// INADDR_ANY)
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address external_ip;
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// the tracker id, if it was included in the response, otherwise
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// an empty string
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std::string trackerid;
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// if the tracker returned an error, this is set to that error
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std::string failure_reason;
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// contains a warning message from the tracker, if included in
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// the response
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std::string warning_message;
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// re-announce interval, in seconds
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int interval;
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// the lowest force-announce interval
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int min_interval;
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// the number of seeds in the swarm
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int complete;
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// the number of downloaders in the swarm
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int incomplete;
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// if supported by the tracker, the number of actively downloading peers.
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// i.e. partial seeds. If not suppored, -1
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int downloaders;
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// the number of times the torrent has been downloaded
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int downloaded;
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};
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@ -328,27 +328,70 @@ namespace libtorrent
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received_bytes(size + parser.body_start());
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// handle tracker response
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lazy_entry e;
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error_code ecode;
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int res = lazy_bdecode(data, data + size, e, ecode);
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if (res == 0 && e.type() == lazy_entry::dict_t)
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boost::shared_ptr<request_callback> cb = requester();
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if (!cb)
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{
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parse(parser.status_code(), e);
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close();
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return;
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}
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tracker_response resp = parse_tracker_response(data, size, ecode
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, tracker_req().kind == tracker_request::scrape_request
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, tracker_req().info_hash);
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if (!resp.warning_message.empty())
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cb->tracker_warning(tracker_req(), resp.warning_message);
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if (ecode)
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{
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fail(ecode, parser.status_code());
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close();
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return;
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}
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if (!resp.failure_reason.empty())
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{
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fail(error_code(errors::tracker_failure), parser.status_code()
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, resp.failure_reason.c_str(), resp.interval, resp.min_interval);
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close();
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return;
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}
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// do slightly different things for scrape requests
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if (tracker_req().kind == tracker_request::scrape_request)
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{
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cb->tracker_scrape_response(tracker_req(), resp.complete
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, resp.incomplete, resp.downloaded, resp.downloaders);
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}
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else
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{
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fail(ecode, parser.status_code());
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std::list<address> ip_list;
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if (m_tracker_connection)
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{
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error_code ec;
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ip_list.push_back(
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m_tracker_connection->socket().remote_endpoint(ec).address());
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std::vector<tcp::endpoint> const& epts = m_tracker_connection->endpoints();
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for (std::vector<tcp::endpoint>::const_iterator i = epts.begin()
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, end(epts.end()); i != end; ++i)
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{
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ip_list.push_back(i->address());
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}
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}
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cb->tracker_response(tracker_req(), m_tracker_ip, ip_list, resp);
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}
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close();
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}
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bool http_tracker_connection::extract_peer_info(lazy_entry const& info, peer_entry& ret)
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bool extract_peer_info(lazy_entry const& info, peer_entry& ret, error_code& ec)
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{
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// extract peer id (if any)
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if (info.type() != lazy_entry::dict_t)
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{
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fail(error_code(errors::invalid_peer_dict));
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ec.assign(errors::invalid_peer_dict, get_libtorrent_category());
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return false;
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}
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lazy_entry const* i = info.dict_find_string("peer id");
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@ -366,7 +409,7 @@ namespace libtorrent
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i = info.dict_find_string("ip");
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if (i == 0)
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{
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fail(error_code(errors::invalid_tracker_response));
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ec.assign(errors::invalid_tracker_response, get_libtorrent_category());
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return false;
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}
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ret.hostname = i->string_value();
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@ -375,7 +418,7 @@ namespace libtorrent
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i = info.dict_find_int("port");
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if (i == 0)
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{
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fail(error_code(errors::invalid_tracker_response));
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ec.assign(errors::invalid_tracker_response, get_libtorrent_category());
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return false;
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}
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ret.port = (unsigned short)i->int_value();
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@ -383,18 +426,27 @@ namespace libtorrent
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return true;
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}
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// TODO: 2 make this a free function that can be easily unit tested
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void http_tracker_connection::parse(int status_code, lazy_entry const& e)
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tracker_response parse_tracker_response(char const* data, int size, error_code& ec
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, bool scrape_request, sha1_hash scrape_ih)
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{
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boost::shared_ptr<request_callback> cb = requester();
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if (!cb) return;
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tracker_response resp;
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lazy_entry e;
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int res = lazy_bdecode(data, data + size, e, ec);
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if (ec) return resp;
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if (res != 0 || e.type() != lazy_entry::dict_t)
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{
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ec.assign(errors::invalid_tracker_response, get_libtorrent_category());
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return resp;
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}
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int interval = int(e.dict_find_int_value("interval", 0));
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// if no interval is specified, default to 30 minutes
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if (interval == 0) interval = 1800;
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int min_interval = int(e.dict_find_int_value("min interval", 30));
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tracker_response resp;
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resp.interval = interval;
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resp.min_interval = min_interval;
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@ -406,44 +458,48 @@ namespace libtorrent
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lazy_entry const* failure = e.dict_find_string("failure reason");
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if (failure)
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{
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fail(error_code(errors::tracker_failure), status_code
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, failure->string_value().c_str(), interval, min_interval);
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return;
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resp.failure_reason = failure->string_value();
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ec.assign(errors::tracker_failure, get_libtorrent_category());
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return resp;
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}
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lazy_entry const* warning = e.dict_find_string("warning message");
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if (warning)
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cb->tracker_warning(tracker_req(), warning->string_value());
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resp.warning_message = warning->string_value();
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if (tracker_req().kind == tracker_request::scrape_request)
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if (scrape_request)
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{
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std::string ih = tracker_req().info_hash.to_string();
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lazy_entry const* files = e.dict_find_dict("files");
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if (files == 0)
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{
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fail(error_code(errors::invalid_files_entry), -1, ""
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, interval, min_interval);
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return;
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ec.assign(errors::invalid_files_entry, get_libtorrent_category());
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return resp;
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}
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lazy_entry const* scrape_data = files->dict_find_dict(ih.c_str());
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// TODO: 4 this is a bug. if the info-hash contains a 0, this will
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// fail!
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lazy_entry const* scrape_data = files->dict_find_dict(
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scrape_ih.to_string().c_str());
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if (scrape_data == 0)
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{
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fail(error_code(errors::invalid_hash_entry), -1, ""
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, interval, min_interval);
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return;
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ec.assign(errors::invalid_hash_entry, get_libtorrent_category());
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return resp;
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}
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int complete = int(scrape_data->dict_find_int_value("complete", -1));
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int incomplete = int(scrape_data->dict_find_int_value("incomplete", -1));
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int downloaded = int(scrape_data->dict_find_int_value("downloaded", -1));
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int downloaders = int(scrape_data->dict_find_int_value("downloaders", -1));
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cb->tracker_scrape_response(tracker_req(), complete
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, incomplete, downloaded, downloaders);
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return;
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resp.complete = int(scrape_data->dict_find_int_value("complete", -1));
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resp.incomplete = int(scrape_data->dict_find_int_value("incomplete", -1));
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resp.downloaded = int(scrape_data->dict_find_int_value("downloaded", -1));
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resp.downloaders = int(scrape_data->dict_find_int_value("downloaders", -1));
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return resp;
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}
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// look for optional scrape info
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resp.complete = int(e.dict_find_int_value("complete", -1));
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resp.incomplete = int(e.dict_find_int_value("incomplete", -1));
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resp.downloaded = int(e.dict_find_int_value("downloaded", -1));
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lazy_entry const* peers_ent = e.dict_find("peers");
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if (peers_ent && peers_ent->type() == lazy_entry::string_t)
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{
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@ -465,12 +521,21 @@ namespace libtorrent
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{
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int len = peers_ent->list_size();
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resp.peers.reserve(len);
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error_code parse_error;
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for (int i = 0; i < len; ++i)
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{
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peer_entry p;
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if (!extract_peer_info(*peers_ent->list_at(i), p)) return;
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if (!extract_peer_info(*peers_ent->list_at(i), p, parse_error))
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continue;
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resp.peers.push_back(p);
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}
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// only report an error if all peer entries are invalid
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if (resp.peers.empty() && parse_error)
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{
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ec = parse_error;
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return resp;
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}
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}
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else
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{
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@ -501,16 +566,15 @@ namespace libtorrent
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#else
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lazy_entry const* ipv6_peers = 0;
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#endif
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/*
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// if we didn't receive any peers. We don't care if we're stopping anyway
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if (peers_ent == 0 && ipv6_peers == 0
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&& tracker_req().event != tracker_request::stopped)
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{
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fail(error_code(errors::invalid_peers_entry), -1, ""
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, interval, min_interval);
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return;
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ec.assign(errors::invalid_peers_entry, get_libtorrent_category());
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return resp;
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}
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*/
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lazy_entry const* ip_ent = e.dict_find_string("external ip");
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if (ip_ent)
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{
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@ -523,26 +587,7 @@ namespace libtorrent
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#endif
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}
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// look for optional scrape info
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resp.complete = int(e.dict_find_int_value("complete", -1));
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resp.incomplete = int(e.dict_find_int_value("incomplete", -1));
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resp.downloaded = int(e.dict_find_int_value("downloaded", -1));
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std::list<address> ip_list;
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if (m_tracker_connection)
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{
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error_code ec;
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ip_list.push_back(m_tracker_connection->socket().remote_endpoint(ec).address());
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std::vector<tcp::endpoint> const& epts = m_tracker_connection->endpoints();
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for (std::vector<tcp::endpoint>::const_iterator i = epts.begin()
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, end(epts.end()); i != end; ++i)
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{
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ip_list.push_back(i->address());
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return resp;
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}
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}
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cb->tracker_response(tracker_req(), m_tracker_ip, ip_list, resp);
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}
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}
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@ -36,14 +36,176 @@ POSSIBILITY OF SUCH DAMAGE.
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#include "libtorrent/alert.hpp"
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#include "libtorrent/session.hpp"
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#include "libtorrent/error_code.hpp"
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#include "libtorrent/tracker_manager.hpp"
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#include "libtorrent/http_tracker_connection.hpp" // for parse_tracker_response
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#include <fstream>
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using namespace libtorrent;
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namespace lt = libtorrent;
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void test_parse_hostname_peers()
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{
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char const response[] = "d5:peersld7:peer id20:aaaaaaaaaaaaaaaaaaaa2:ip13:test_hostname4:porti1000eed7:peer id20:bbbbabaababababababa2:ip12:another_host4:porti1001eeee";
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error_code ec;
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tracker_response resp = parse_tracker_response(response, sizeof(response) - 1
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, ec, false, sha1_hash());
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TEST_EQUAL(ec, error_code());
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TEST_EQUAL(resp.peers.size(), 2);
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if (resp.peers.size() == 2)
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{
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peer_entry const& e0 = resp.peers[0];
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peer_entry const& e1 = resp.peers[1];
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TEST_EQUAL(e0.hostname, "test_hostname");
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TEST_EQUAL(e0.port, 1000);
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TEST_EQUAL(e0.pid, peer_id("aaaaaaaaaaaaaaaaaaaa"));
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TEST_EQUAL(e1.hostname, "another_host");
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TEST_EQUAL(e1.port, 1001);
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TEST_EQUAL(e1.pid, peer_id("bbbbabaababababababa"));
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}
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}
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void test_parse_peers4()
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{
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char const response[] = "d5:peers12:\x01\x02\x03\x04\x30\x10"
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"\x09\x08\x07\x06\x20\x10" "e";
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error_code ec;
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tracker_response resp = parse_tracker_response(response, sizeof(response) - 1
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, ec, false, sha1_hash());
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TEST_EQUAL(ec, error_code());
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TEST_EQUAL(resp.peers4.size(), 2);
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if (resp.peers.size() == 2)
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{
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ipv4_peer_entry const& e0 = resp.peers4[0];
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ipv4_peer_entry const& e1 = resp.peers4[1];
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TEST_CHECK(e0.ip == address_v4::from_string("1.2.3.4").to_bytes());
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TEST_EQUAL(e0.port, 0x3010);
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TEST_CHECK(e1.ip == address_v4::from_string("9.8.7.6").to_bytes());
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TEST_EQUAL(e1.port, 0x2010);
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}
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}
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void test_parse_interval()
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{
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char const response[] = "d8:intervali1042e12:min intervali10e5:peers0:e";
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error_code ec;
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tracker_response resp = parse_tracker_response(response, sizeof(response) - 1
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, ec, false, sha1_hash());
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TEST_EQUAL(ec, error_code());
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TEST_EQUAL(resp.peers.size(), 0);
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TEST_EQUAL(resp.peers4.size(), 0);
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TEST_EQUAL(resp.interval, 1042);
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TEST_EQUAL(resp.min_interval, 10);
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}
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void test_parse_warning()
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{
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char const response[] = "d5:peers0:15:warning message12:test messagee";
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error_code ec;
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tracker_response resp = parse_tracker_response(response, sizeof(response) - 1
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, ec, false, sha1_hash());
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TEST_EQUAL(ec, error_code());
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TEST_EQUAL(resp.peers.size(), 0);
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TEST_EQUAL(resp.warning_message, "test message");
|
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}
|
||||
|
||||
void test_parse_failure_reason()
|
||||
{
|
||||
char const response[] = "d5:peers0:14:failure reason12:test messagee";
|
||||
error_code ec;
|
||||
tracker_response resp = parse_tracker_response(response, sizeof(response) - 1
|
||||
, ec, false, sha1_hash());
|
||||
|
||||
TEST_EQUAL(ec, error_code(errors::tracker_failure));
|
||||
TEST_EQUAL(resp.peers.size(), 0);
|
||||
TEST_EQUAL(resp.failure_reason, "test message");
|
||||
}
|
||||
|
||||
void test_parse_scrape_response()
|
||||
{
|
||||
char const response[] = "d5:filesd20:aaaaaaaaaaaaaaaaaaaad8:completei1e10:incompletei2e10:downloadedi3e11:downloadersi6eeee";
|
||||
error_code ec;
|
||||
tracker_response resp = parse_tracker_response(response, sizeof(response) - 1
|
||||
, ec, true, sha1_hash("aaaaaaaaaaaaaaaaaaaa"));
|
||||
|
||||
TEST_EQUAL(ec, error_code());
|
||||
TEST_EQUAL(resp.complete, 1);
|
||||
TEST_EQUAL(resp.incomplete, 2);
|
||||
TEST_EQUAL(resp.downloaded, 3);
|
||||
TEST_EQUAL(resp.downloaders, 6);
|
||||
}
|
||||
|
||||
void test_parse_scrape_response_with_zero()
|
||||
{
|
||||
char const response[] = "d5:filesd20:aaa\0aaaaaaaaaaaaaaaad8:completei4e10:incompletei5e10:downloadedi6eeee";
|
||||
error_code ec;
|
||||
tracker_response resp = parse_tracker_response(response, sizeof(response) - 1
|
||||
, ec, true, sha1_hash("aaa\0aaaaaaaaaaaaaaaa"));
|
||||
|
||||
TEST_EQUAL(ec, error_code());
|
||||
TEST_EQUAL(resp.complete, 1);
|
||||
TEST_EQUAL(resp.incomplete, 2);
|
||||
TEST_EQUAL(resp.downloaded, 3);
|
||||
TEST_EQUAL(resp.downloaders, -1);
|
||||
}
|
||||
|
||||
void test_parse_external_ip()
|
||||
{
|
||||
char const response[] = "d5:peers0:11:external ip4:\x01\x02\x03\x04" "e";
|
||||
error_code ec;
|
||||
tracker_response resp = parse_tracker_response(response, sizeof(response) - 1
|
||||
, ec, false, sha1_hash());
|
||||
|
||||
TEST_EQUAL(ec, error_code());
|
||||
TEST_EQUAL(resp.peers.size(), 0);
|
||||
TEST_EQUAL(resp.external_ip, address_v4::from_string("1.2.3.4"));
|
||||
}
|
||||
|
||||
#if TORRENT_USE_IPV6
|
||||
void test_parse_external_ip6()
|
||||
{
|
||||
char const response[] = "d5:peers0:11:external ip16:\xf1\x02\x03\x04\0\0\0\0\0\0\0\0\0\0\xff\xff" "e";
|
||||
error_code ec;
|
||||
tracker_response resp = parse_tracker_response(response, sizeof(response) - 1
|
||||
, ec, false, sha1_hash());
|
||||
|
||||
TEST_EQUAL(ec, error_code());
|
||||
TEST_EQUAL(resp.peers.size(), 0);
|
||||
TEST_EQUAL(resp.external_ip, address_v6::from_string("f102:0304::ffff"));
|
||||
}
|
||||
#endif
|
||||
|
||||
int test_main()
|
||||
{
|
||||
test_parse_hostname_peers();
|
||||
test_parse_peers4();
|
||||
test_parse_interval();
|
||||
test_parse_warning();
|
||||
test_parse_failure_reason();
|
||||
test_parse_scrape_response();
|
||||
test_parse_scrape_response_with_zero();
|
||||
test_parse_external_ip();
|
||||
#if TORRENT_USE_IPV6
|
||||
test_parse_external_ip6();
|
||||
#endif
|
||||
|
||||
// TODO: test parse peers6
|
||||
// TODO: test parse tracker-id
|
||||
// TODO: test parse failure-reason
|
||||
// TODO: test all failure paths
|
||||
// invalid bencoding
|
||||
// not a dictionary
|
||||
// no files entry in scrape response
|
||||
// no info-hash entry in scrape response
|
||||
// malformed peers in peer list of dictionaries
|
||||
// uneven number of bytes in peers and peers6 string responses
|
||||
|
||||
int http_port = start_web_server();
|
||||
int udp_port = start_udp_tracker();
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue