Adding v6 ToS

diff --git a/0.16.16/src/libtorrent-rasterbar-0.16.16/include/libtorrent/socket.hpp b/0.16.16/src/libtorrent-rasterbar-0.16.16/include/libtorrent/socket.hpp
index 058a18b..229e3e5 100644
--- a/0.16.16/src/libtorrent-rasterbar-0.16.16/include/libtorrent/socket.hpp
+++ b/0.16.16/src/libtorrent-rasterbar-0.16.16/include/libtorrent/socket.hpp
@@ -64,7 +64,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <boost/asio/read.hpp>
 #endif

-#ifdef __OBJC__
+#ifdef __OBJC__
 #undef Protocol
 #endif

@@ -114,7 +114,7 @@ namespace libtorrent
        };
 #endif
 #endif
-
+
 #ifdef TORRENT_WINDOWS

 #ifndef IPV6_PROTECTION_LEVEL
@@ -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
diff --git a/0.16.16/src/libtorrent-rasterbar-0.16.16/src/peer_connection.cpp b/0.16.16/src/libtorrent-rasterbar-0.16.16/src/peer_connection.cpp
index 2a94e51..ab80ee9 100644
--- a/0.16.16/src/libtorrent-rasterbar-0.16.16/src/peer_connection.cpp
+++ b/0.16.16/src/libtorrent-rasterbar-0.16.16/src/peer_connection.cpp
@@ -638,6 +638,10 @@ namespace libtorrent
                                peer_log(">>> SET_TOS[ tos: %d e: %s ]", m_ses.settings().peer_tos, ec.message().c_str());
 #endif
                        }
+            else if (m_remote.address().is_v6())
+            {
+                m_socket->set_option(traffic_class(m_ses.settings().peer_tos), ec);
+            }
                }

                if (t && t->ready_for_connections())
@@ -5700,12 +5704,16 @@ namespace libtorrent
                        peer_log(">>> SET_TOS[ tos: %d e: %s ]", m_ses.settings().peer_tos, ec.message().c_str());
 #endif
                }
+        else if (m_remote.address().is_v6())
+        {
+            m_socket->set_option(traffic_class(m_ses.settings().peer_tos), ec);
+        }

                on_connected();
                setup_send();
                setup_receive();
        }
-
+
        // --------------------------
        // SEND DATA
        // --------------------------
diff --git a/0.16.16/src/libtorrent-rasterbar-0.16.16/src/session_impl.cpp b/0.16.16/src/libtorrent-rasterbar-0.16.16/src/session_impl.cpp
index 79cc500..6ec84ce 100644
--- a/0.16.16/src/libtorrent-rasterbar-0.16.16/src/session_impl.cpp
+++ b/0.16.16/src/libtorrent-rasterbar-0.16.16/src/session_impl.cpp
@@ -2052,7 +2052,10 @@ namespace aux {
                if (m_settings.peer_tos != s.peer_tos)
                {
                        error_code ec;
-                       m_udp_socket.set_option(type_of_service(s.peer_tos), ec);
+            if (m_udp_socket.local_endpoint(ec).address().is_v6())
+                m_udp_socket.set_option(traffic_class(s.peer_tos), ec);
+            else
+                           m_udp_socket.set_option(type_of_service(s.peer_tos), ec);
@@ -2408,7 +2411,11 @@ retry:
                        maybe_update_udp_mapping(1, m_listen_interface.port(), m_listen_interface.port());
                }

-               m_udp_socket.set_option(type_of_service(m_settings.peer_tos), ec);
+
+        if (m_udp_socket.local_endpoint(ec).address().is_v6())
+            m_udp_socket.set_option(traffic_class(m_settings.peer_tos), ec);
+        else
+                   m_udp_socket.set_option(type_of_service(m_settings.peer_tos), ec);