Add static Create method to LibjingleTransportFactory

remoting/host/network_settings.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef REMOTING_HOST_NETWORK_SETTINGS_H_
-#define REMOTING_HOST_NETWORK_SETTINGS_H_
-
-namespace remoting {
-
-struct NetworkSettings {
-
-  // When hosts are configured with NAT traversal disabled they will
-  // typically also limit their P2P ports to this range, so that
-  // sessions may be blocked or un-blocked via firewall rules.
-  static const int kDefaultMinPort = 12400;
-  static const int kDefaultMaxPort = 12409;
-
-  enum NatTraversalMode {
-    // Active NAT traversal using STUN and relay servers.
-    NAT_TRAVERSAL_ENABLED,
-
-    // Don't use STUN or relay servers. Accept incoming P2P connection
-    // attempts, but don't initiate any. This ensures that the peer is
-    // on the same network. Note that connection will always fail if
-    // both ends use this mode.
-    NAT_TRAVERSAL_DISABLED,
-
-    // Don't use STUN or relay servers but make outgoing connections.
-    NAT_TRAVERSAL_OUTGOING,
-  };
-
-  NetworkSettings()
-      : nat_traversal_mode(NAT_TRAVERSAL_DISABLED),
-        min_port(0),
-        max_port(0) {
-  }
-
-  explicit NetworkSettings(NatTraversalMode nat_traversal_mode)
-      : nat_traversal_mode(nat_traversal_mode),
-        min_port(0),
-        max_port(0) {
-  }
-
-  NatTraversalMode nat_traversal_mode;
-
-  // |min_port| and |max_port| specify range (inclusive) of ports used by
-  // P2P sessions. Any port can be used when both values are set to 0.
-  int min_port;
-  int max_port;
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_HOST_NETWORK_SETTINGS_H_