merged changes from RC_1_0

ChangeLog

@@ -27,6 +27,7 @@
 	* almost completely changed the storage interface (for custom storage)
 	* added support for hashing pieces in multiple threads
 
+	* support IPv6 traffic class (via the TOS setting)
 	* made uTP re-enter slow-start after time-out
 	* fixed uTP upload performance issue
 	* fix missing support for DHT put salt

examples/client_test.cpp

@@ -1162,6 +1162,8 @@ int main(int argc, char* argv[])
 		// if there's a flag but no argument following, ignore it
 		if (argc == i) continue;
 		char const* arg = argv[i+1];
+		if (arg == NULL) arg = "";
+
 		switch (argv[i][1])
 		{
 			case 'f': g_log_file = fopen(arg, "w+"); break;

include/libtorrent/socket.hpp

@@ -135,6 +135,20 @@ namespace libtorrent
 	};
 #endif
 
+	struct traffic_class
+	{
+		traffic_class(char val): m_value(val) {}
+		template<class Protocol>
+		int level(Protocol const&) const { return IPPROTO_IPV6; }
+		template<class Protocol>
+		int name(Protocol const&) const { return IPV6_TCLASS; }
+		template<class Protocol>
+		int const* data(Protocol const&) const { return &m_value; }
+		template<class Protocol>
+		size_t size(Protocol const&) const { return sizeof(m_value); }
+		int m_value;
+	};
+
 	struct type_of_service
 	{
 #ifdef WIN32

src/peer_connection.cpp

@@ -520,6 +520,12 @@ namespace libtorrent
 				peer_log(">>> SET_TOS[ tos: %d e: %s ]", m_settings.get_int(settings_pack::peer_tos), ec.message().c_str());
 #endif
 			}
+#if TORRENT_USE_IPV6
+			else if (m_remote.address().is_v6() && m_settings.get_int(settings_pack::peer_tos) != 0)
+			{
+				m_socket->set_option(traffic_class(m_settings.get_int(settings_pack::peer_tos)), ec);
+			}
+#endif
 		}
 
 #if defined TORRENT_VERBOSE_LOGGING
@@ -6368,6 +6374,12 @@ namespace libtorrent
 			peer_log(">>> SET_TOS[ tos: %d e: %s ]", m_settings.get_int(settings_pack::peer_tos), ec.message().c_str());
 #endif
 		}
+#if TORRENT_USE_IPV6
+		else if (m_remote.address().is_v6() && m_settings.get_int(settings_pack::peer_tos) != 0)
+		{
+			m_socket->set_option(traffic_class(m_settings.get_int(settings_pack::peer_tos)), ec);
+		}
+#endif
 
 #ifndef TORRENT_DISABLE_EXTENSIONS
 		for (extension_list_t::iterator i = m_extensions.begin()

src/session_impl.cpp

@@ -2597,12 +2597,9 @@ retry:
 		}
 
 		if (m_settings.get_int(settings_pack::peer_tos) != 0) {
-			m_udp_socket.set_option(type_of_service(m_settings.get_int(settings_pack::peer_tos)), ec);
+			update_peer_tos();
-#if defined TORRENT_VERBOSE_LOGGING
-			session_log(">>> SET_TOS[ udp_socket tos: %x e: %s ]"
-				, m_settings.get_int(settings_pack::peer_tos), ec.message().c_str());
-#endif
 		}
+
 		ec.clear();
 
 		set_socket_buffer_size(m_udp_socket, m_settings, ec);
@@ -7034,9 +7031,16 @@ retry:
 	void session_impl::update_peer_tos()
 	{
 		error_code ec;
+
+#if TORRENT_USE_IPV6
+		if (m_udp_socket.local_endpoint(ec).address().is_v6())
+			m_udp_socket.set_option(traffic_class(m_settings.get_int(settings_pack::peer_tos)), ec);
+		else
+#endif
 			m_udp_socket.set_option(type_of_service(m_settings.get_int(settings_pack::peer_tos)), ec);
+
 #if defined TORRENT_VERBOSE_LOGGING
-		session_log(">>> SET_TOS[ udp_socket tos: %x e: %s ]"
+		session_log(">>> SET_TOS [ udp_socket tos: %x e: %s ]"
 			, m_settings.get_int(settings_pack::peer_tos)
 			, ec.message().c_str());
 #endif

test/test_socket_io.cpp

@@ -93,17 +93,25 @@ int test_main()
 	std::vector<udp::endpoint> list;
 	read_endpoint_list<udp::endpoint>(&e, list);
 
+#if TORRENT_USE_IPV6
 	TEST_EQUAL(list.size(), 2);
-	TEST_EQUAL(list[0], udp::endpoint(address_v4::from_string("16.5.128.1"), 1337));
 	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);
 
+#if TORRENT_USE_IPV6
 	TEST_EQUAL(list.size(), 2);
-	TEST_EQUAL(list[0], udp::endpoint(address_v4::from_string("16.5.128.1"), 1337));
 	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));
 
 	return 0;
 }