void http_tracker_connection::on_response(error_code const& ec
, http_parser const& parser, char const* data, int size)
{
// keep this alive
boost::intrusive_ptr<http_tracker_connection> me(this);
if (ec && ec != asio::error::eof)
{
fail(-1, ec.message().c_str());
return;
}
if (!parser.header_finished())
{
fail(-1, "premature end of file");
return;
}
if (parser.status_code() != 200)
{
fail(parser.status_code(), parser.message().c_str());
return;
}
if (ec && ec != asio::error::eof)
{
fail(parser.status_code(), ec.message().c_str());
return;
}
received_bytes(size + parser.body_start());
// handle tracker response
lazy_entry e;
int res = lazy_bdecode(data, data + size, e);
if (res == 0 && e.type() == lazy_entry::dict_t)
{
parse(parser.status_code(), e);
}
else
{
std::string error_str("invalid encoding of tracker response: \"");
for (char const* i = data, *end(data + size); i != end; ++i)
{
if (*i >= ' ' && *i <= '~') error_str += *i;
else
{
char val[30];
snprintf(val, sizeof(val), "0x%02x ", *i);
error_str += val;
}
}
error_str += "\"";
fail(parser.status_code(), error_str.c_str());
}
close();
}
void http_tracker_connection::on_response(error_code const& ec
, http_parser const& parser, char const* data, int size)
{
// keep this alive
boost::intrusive_ptr<http_tracker_connection> me(this);
if (ec && ec != asio::error::eof)
{
fail(ec);
return;
}
if (!parser.header_finished())
{
fail(asio::error::eof);
return;
}
if (parser.status_code() != 200)
{
fail(error_code(parser.status_code(), get_http_category())
, parser.status_code(), parser.message().c_str());
return;
}
if (ec && ec != asio::error::eof)
{
fail(ec, parser.status_code());
return;
}
received_bytes(size + parser.body_start());
// Howdy Patch to work around extra lines in tracker responses.
while (data && (*data == 0x0d || *data == 0x0a))
{
data++;
size--;
}
// handle tracker response
lazy_entry e;
error_code ecode;
int res = lazy_bdecode(data, data + size, e, ecode);
if (res == 0 && e.type() == lazy_entry::dict_t)
{
parse(parser.status_code(), e);
}
else
{
fail(ecode, parser.status_code());
}
close();
}
void http_tracker_connection::on_response(error_code const& ec
, http_parser const& parser, char const* data, int size)
{
// keep this alive
boost::shared_ptr<http_tracker_connection> me(shared_from_this());
if (ec && ec != boost::asio::error::eof)
{
fail(ec);
return;
}
if (!parser.header_finished())
{
fail(boost::asio::error::eof);
return;
}
if (parser.status_code() != 200)
{
fail(error_code(parser.status_code(), get_http_category())
, parser.status_code(), parser.message().c_str());
return;
}
if (ec && ec != boost::asio::error::eof)
{
fail(ec, parser.status_code());
return;
}
received_bytes(size + parser.body_start());
// handle tracker response
error_code ecode;
boost::shared_ptr<request_callback> cb = requester();
if (!cb)
{
close();
return;
}
tracker_response resp = parse_tracker_response(data, size, ecode
, tracker_req().kind, tracker_req().info_hash);
if (!resp.warning_message.empty())
cb->tracker_warning(tracker_req(), resp.warning_message);
if (ecode)
{
fail(ecode, parser.status_code(), resp.failure_reason.c_str()
, resp.interval, resp.min_interval);
close();
return;
}
// do slightly different things for scrape requests
if (0 != (tracker_req().kind & tracker_request::scrape_request))
{
cb->tracker_scrape_response(tracker_req(), resp.complete
, resp.incomplete, resp.downloaded, resp.downloaders);
}
else
{
std::list<address> ip_list;
if (m_tracker_connection)
{
error_code ignore;
std::vector<tcp::endpoint> const& epts = m_tracker_connection->endpoints();
for (std::vector<tcp::endpoint>::const_iterator i = epts.begin()
, end(epts.end()); i != end; ++i)
{
ip_list.push_back(i->address());
}
}
cb->tracker_response(tracker_req(), m_tracker_ip, ip_list, resp);
}
close();
}