premiere
/
premiere-libtorrent
2
2
Fork 1
Code Issues Pull Requests Releases Wiki Activity

clean up read_endpoint_list (#1102)

This commit is contained in:
Arvid Norberg 2016-09-18 10:12:54 -04:00 committed by GitHub
parent 219b2c36b4
commit 80ba45e1fb
4 changed files with 40 additions and 73 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
include/libtorrent/socket_io.hpp
View File

@ -69,7 +69,7 @@ namespace libtorrent
}
template<class OutIt>
void write_address(address const& a, OutIt& out)
void write_address(address const& a, OutIt&& out)
{
#if TORRENT_USE_IPV6
if (a.is_v4())
@ -87,15 +87,15 @@ namespace libtorrent
}
template<class InIt>
address read_v4_address(InIt& in)
address read_v4_address(InIt&& in)
{
unsigned long ip = read_uint32(in);
std::uint32_t const ip = read_uint32(in);
return address_v4(ip);
}
#if TORRENT_USE_IPV6
template<class InIt>
address read_v6_address(InIt& in)
address read_v6_address(InIt&& in)
{
address_v6::bytes_type bytes;
for (auto& b : bytes)
@ -105,14 +105,14 @@ namespace libtorrent
#endif
template<class Endpoint, class OutIt>
void write_endpoint(Endpoint const& e, OutIt& out)
void write_endpoint(Endpoint const& e, OutIt&& out)
{
write_address(e.address(), out);
write_uint16(e.port(), out);
}
template<class Endpoint, class InIt>
Endpoint read_v4_endpoint(InIt& in)
Endpoint read_v4_endpoint(InIt&& in)
{
address addr = read_v4_address(in);
int port = read_uint16(in);
@ -121,57 +121,34 @@ namespace libtorrent
#if TORRENT_USE_IPV6
template<class Endpoint, class InIt>
Endpoint read_v6_endpoint(InIt& in)
Endpoint read_v6_endpoint(InIt&& in)
{
address addr = read_v6_address(in);
int port = read_uint16(in);
return Endpoint(addr, port);
}
#endif
template <class EndpointType>
void read_endpoint_list(libtorrent::bdecode_node const& n
, std::vector<EndpointType>& epl)
std::vector<EndpointType> read_endpoint_list(libtorrent::bdecode_node const& n)
{
using namespace libtorrent;
if (n.type() != bdecode_node::list_t) return;
std::vector<EndpointType> ret;
if (n.type() != bdecode_node::list_t) return ret;
for (int i = 0; i < n.list_size(); ++i)
{
bdecode_node e = n.list_at(i);
if (e.type() != bdecode_node::string_t) return;
if (e.type() != bdecode_node::string_t) return ret;
if (e.string_length() < 6) continue;
char const* in = e.string_ptr();
if (e.string_length() == 6)
epl.push_back(read_v4_endpoint<EndpointType>(in));
ret.push_back(read_v4_endpoint<EndpointType>(in));
#if TORRENT_USE_IPV6
else if (e.string_length() == 18)
epl.push_back(read_v6_endpoint<EndpointType>(in));
ret.push_back(read_v6_endpoint<EndpointType>(in));
#endif
}
return ret;
}
}
template <class EndpointType>
void read_endpoint_list(libtorrent::entry const* n, std::vector<EndpointType>& epl)
{
using namespace libtorrent;
if (n->type() != entry::list_t) return;
entry::list_type const& contacts = n->list();
for (entry::list_type::const_iterator i = contacts.begin()
, end(contacts.end()); i != end; ++i)
{
if (i->type() != entry::string_t) return;
std::string const& p = i->string();
if (p.size() < 6) continue;
std::string::const_iterator in = p.begin();
if (p.size() == 6)
epl.push_back(detail::read_v4_endpoint<EndpointType>(in));
#if TORRENT_USE_IPV6
else if (p.size() == 18)
epl.push_back(detail::read_v6_endpoint<EndpointType>(in));
#endif
}
}
} // namespace detail
}

4
src/kademlia/dht_state.cpp
View File

@ -75,10 +75,10 @@ namespace
#endif
if (bdecode_node const nodes = e.dict_find_list("nodes"))
detail::read_endpoint_list<udp::endpoint>(nodes, ret.nodes);
ret.nodes = detail::read_endpoint_list<udp::endpoint>(nodes);
#if TORRENT_USE_IPV6
if (bdecode_node const nodes = e.dict_find_list("nodes6"))
detail::read_endpoint_list<udp::endpoint>(nodes, ret.nodes6);
ret.nodes6 = detail::read_endpoint_list<udp::endpoint>(nodes);
#endif
return ret;

2
src/kademlia/get_peers.cpp
View File

@ -96,7 +96,7 @@ void get_peers_observer::reply(msg const& m)
else
{
// assume it's uTorrent/libtorrent format
read_endpoint_list<tcp::endpoint>(n, peer_list);
peer_list = read_endpoint_list<tcp::endpoint>(n);
#ifndef TORRENT_DISABLE_LOGGING
auto logger = get_observer();
if (logger != nullptr && logger->should_log(dht_logger::traversal))

54
test/test_socket_io.cpp
View File

@ -40,7 +40,7 @@ POSSIBILITY OF SUCH DAMAGE.
using namespace libtorrent;
using namespace libtorrent::detail;
TORRENT_TEST(socket_io)
TORRENT_TEST(address_to_bytes)
{
// test address_to_bytes
TEST_EQUAL(address_to_bytes(address_v4::from_string("10.11.12.13")), "\x0a\x0b\x0c\x0d");
@ -49,61 +49,51 @@ TORRENT_TEST(socket_io)
// test endpoint_to_bytes
TEST_EQUAL(endpoint_to_bytes(udp::endpoint(address_v4::from_string("10.11.12.13"), 8080)), "\x0a\x0b\x0c\x0d\x1f\x90");
TEST_EQUAL(endpoint_to_bytes(udp::endpoint(address_v4::from_string("16.5.127.1"), 12345)), "\x10\x05\x7f\x01\x30\x39");
}
TORRENT_TEST(read_v4_address)
{
std::string buf;
std::back_insert_iterator<std::string> out1(buf);
write_address(address_v4::from_string("16.5.128.1"), out1);
write_address(address_v4::from_string("16.5.128.1"), std::back_inserter(buf));
TEST_EQUAL(buf, "\x10\x05\x80\x01");
std::string::iterator in = buf.begin();
address addr4 = read_v4_address(in);
address addr4 = read_v4_address(buf.begin());
TEST_EQUAL(addr4, address_v4::from_string("16.5.128.1"));
buf.clear();
std::back_insert_iterator<std::string> out2(buf);
write_endpoint(udp::endpoint(address_v4::from_string("16.5.128.1"), 1337), out2);
write_endpoint(udp::endpoint(address_v4::from_string("16.5.128.1"), 1337)
, std::back_inserter(buf));
TEST_EQUAL(buf, "\x10\x05\x80\x01\x05\x39");
in = buf.begin();
udp::endpoint ep4 = read_v4_endpoint<udp::endpoint>(in);
udp::endpoint ep4 = read_v4_endpoint<udp::endpoint>(buf.begin());
TEST_EQUAL(ep4, udp::endpoint(address_v4::from_string("16.5.128.1"), 1337));
}
#if TORRENT_USE_IPV6
buf.clear();
std::back_insert_iterator<std::string> out3(buf);
write_address(address_v6::from_string("1000::ffff"), out3);
TORRENT_TEST(read_v6_endpoint)
{
std::string buf;
write_address(address_v6::from_string("1000::ffff"), std::back_inserter(buf));
TEST_CHECK(std::equal(buf.begin(), buf.end(), "\x10\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff"));
in = buf.begin();
address addr6 = read_v6_address(in);
address addr6 = read_v6_address(buf.begin());
TEST_EQUAL(addr6, address_v6::from_string("1000::ffff"));
buf.clear();
std::back_insert_iterator<std::string> out4(buf);
write_endpoint(udp::endpoint(address_v6::from_string("1000::ffff"), 1337), out4);
write_endpoint(udp::endpoint(address_v6::from_string("1000::ffff"), 1337)
, std::back_inserter(buf));
TEST_CHECK(std::equal(buf.begin(), buf.end(), "\x10\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\x05\x39"));
TEST_EQUAL(buf.size(), 18);
in = buf.begin();
udp::endpoint ep6 = read_v6_endpoint<udp::endpoint>(in);
udp::endpoint ep6 = read_v6_endpoint<udp::endpoint>(buf.begin());
TEST_EQUAL(ep6, udp::endpoint(address_v6::from_string("1000::ffff"), 1337));
}
#endif
TORRENT_TEST(read_endpoint_list)
{
char const eplist[] = "l6:\x10\x05\x80\x01\x05\x39" "18:\x10\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\x05\x39" "e";
bdecode_node e;
error_code ec;
bdecode(eplist, eplist + sizeof(eplist)-1, e, ec);
TEST_CHECK(!ec);
std::vector<udp::endpoint> list;
read_endpoint_list<udp::endpoint>(e, list);
#if TORRENT_USE_IPV6
TEST_EQUAL(list.size(), 2);
TEST_EQUAL(list[1], udp::endpoint(address_v6::from_string("1000::ffff"), 1337));
#else
TEST_EQUAL(list.size(), 1);
#endif
TEST_EQUAL(list[0], udp::endpoint(address_v4::from_string("16.5.128.1"), 1337));
entry e2 = bdecode(eplist, eplist + sizeof(eplist)-1);
list.clear();
read_endpoint_list<udp::endpoint>(&e2, list);
std::vector<udp::endpoint> list = read_endpoint_list<udp::endpoint>(e);
#if TORRENT_USE_IPV6
TEST_EQUAL(list.size(), 2);