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116 lines
3.2 KiB
116 lines
3.2 KiB
/* |
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* ZeroTier One - Network Virtualization Everywhere |
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* Copyright (C) 2011-2019 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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* -- |
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* |
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* You can be released from the requirements of the license by purchasing |
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* a commercial license. Buying such a license is mandatory as soon as you |
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* develop commercial closed-source software that incorporates or links |
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* directly against ZeroTier software without disclosing the source code |
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* of your own application. |
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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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