mirror of
https://github.com/zerotier/ZeroTierOne.git
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93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ZT_ROUTINGTABLE_HPP
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#define ZT_ROUTINGTABLE_HPP
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#include <vector>
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#include "../node/Constants.hpp"
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#include "../node/InetAddress.hpp"
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namespace ZeroTier {
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class RoutingTable
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{
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public:
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struct Entry
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{
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/**
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* Destination IP and netmask bits (CIDR format)
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*/
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InetAddress destination;
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/**
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* Gateway or null address if direct link-level route, netmask/port part of InetAddress not used
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*/
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InetAddress gateway;
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/**
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* System device index or ID (not included in comparison operators, may not be set on all platforms)
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*/
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int deviceIndex;
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/**
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* Metric or hop count -- higher = lower routing priority
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*/
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int metric;
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/**
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* Interface scoped route? (always false if not meaningful on this OS)
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*/
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bool ifscope;
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/**
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* System device name (may be empty if it doesn't exist or isn't important on this OS)
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*/
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char device[128];
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/**
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* @return True if at least one required field is present (object is not null)
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*/
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inline operator bool() const { return ((destination)||(gateway)); }
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};
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/**
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* Get routing table
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*
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* @param includeLinkLocal Include link-local IPs?
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* @param includeLoopback Include loopback routes?
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*/
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static std::vector<RoutingTable::Entry> get(bool includeLinkLocal,bool includeLoopback);
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/**
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* Add or replace a routing table entry
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*
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* @param destination Route destination
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* @param gateway Gateway or null if local
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* @param device Device name (if applicable)
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* @param metric Route metric (if applicable)
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* @param ifscope Interface bound route? If so, device must be set. (only applicable on some OSes)
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*/
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static RoutingTable::Entry set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric,bool ifscope);
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};
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} // namespace ZeroTier
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#endif
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