1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef REMOTING_JINGLE_GLUE_NETWORK_SETTINGS_H_ 6 #define REMOTING_JINGLE_GLUE_NETWORK_SETTINGS_H_ 7 8 namespace remoting { 9 10 struct NetworkSettings { 11 12 // When hosts are configured with NAT traversal disabled they will 13 // typically also limit their P2P ports to this range, so that 14 // sessions may be blocked or un-blocked via firewall rules. 15 static const int kDefaultMinPort = 12400; 16 static const int kDefaultMaxPort = 12409; 17 18 enum NatTraversalMode { 19 // Active NAT traversal using STUN and relay servers. 20 NAT_TRAVERSAL_ENABLED, 21 22 // Don't use STUN or relay servers. Accept incoming P2P connection 23 // attempts, but don't initiate any. This ensures that the peer is 24 // on the same network. Note that connection will always fail if 25 // both ends use this mode. 26 NAT_TRAVERSAL_DISABLED, 27 28 // Don't use STUN or relay servers but make outgoing connections. 29 NAT_TRAVERSAL_OUTGOING, 30 }; 31 32 NetworkSettings() 33 : nat_traversal_mode(NAT_TRAVERSAL_DISABLED), 34 min_port(0), 35 max_port(0) { 36 } 37 38 explicit NetworkSettings(NatTraversalMode nat_traversal_mode) 39 : nat_traversal_mode(nat_traversal_mode), 40 min_port(0), 41 max_port(0) { 42 } 43 44 NatTraversalMode nat_traversal_mode; 45 46 // |min_port| and |max_port| specify range (inclusive) of ports used by 47 // P2P sessions. Any port can be used when both values are set to 0. 48 int min_port; 49 int max_port; 50 }; 51 52 } // namespace remoting 53 54 #endif // REMOTING_HOST_NETWORK_SETTINGS_H_ 55
