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// 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_
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