mirror of
https://github.com/zerotier/ZeroTierOne.git
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104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
/*
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* Copyright (c)2019 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2023-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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#ifndef ZT_MANAGEDROUTE_HPP
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#define ZT_MANAGEDROUTE_HPP
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#include <stdlib.h>
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#include <string.h>
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#include "../node/InetAddress.hpp"
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#include "../node/Utils.hpp"
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#include "../node/SharedPtr.hpp"
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#include "../node/AtomicCounter.hpp"
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#include <stdexcept>
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#include <vector>
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#include <map>
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namespace ZeroTier {
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/**
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* A ZT-managed route that used C++ RAII semantics to automatically clean itself up on deallocate
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*/
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class ManagedRoute
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{
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friend class SharedPtr<ManagedRoute>;
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public:
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ManagedRoute(const InetAddress &target,const InetAddress &via,const InetAddress &src,const char *device)
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{
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_target = target;
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_via = via;
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_src = src;
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if (via.ss_family == AF_INET)
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_via.setPort(32);
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else if (via.ss_family == AF_INET6)
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_via.setPort(128);
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if (src.ss_family == AF_INET) {
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_src.setPort(32);
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} else if (src.ss_family == AF_INET6) {
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_src.setPort(128);
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}
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Utils::scopy(_device,sizeof(_device),device);
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_systemDevice[0] = (char)0;
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}
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~ManagedRoute()
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{
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this->remove();
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}
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/**
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* Set or update currently set route
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*
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* This must be called periodically for routes that shadow others so that
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* shadow routes can be updated. In some cases it has no effect
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*
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* @return True if route add/update was successful
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*/
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bool sync();
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/**
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* Remove and clear this ManagedRoute
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*
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* This does nothing if this ManagedRoute is not set or has already been
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* removed. If this is not explicitly called it is called automatically on
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* destruct.
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*/
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void remove();
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inline const InetAddress &target() const { return _target; }
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inline const InetAddress &via() const { return _via; }
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inline const InetAddress &src() const { return _src; }
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inline const char *device() const { return _device; }
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private:
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ManagedRoute(const ManagedRoute &) {}
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inline ManagedRoute &operator=(const ManagedRoute &) { return *this; }
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InetAddress _target;
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InetAddress _via;
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InetAddress _src;
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InetAddress _systemVia; // for route overrides
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std::map<InetAddress,bool> _applied; // routes currently applied
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char _device[128];
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char _systemDevice[128]; // for route overrides
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AtomicCounter __refCount;
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};
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} // namespace ZeroTier
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#endif
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