ZeroTierOne/osdep/ManagedRoute.hpp
2024-09-26 08:52:29 -04:00

99 lines
2.3 KiB
C++

/*
* Copyright (c)2019 ZeroTier, Inc.
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
*
* Change Date: 2026-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
*/
/****/
#ifndef ZT_MANAGEDROUTE_HPP
#define ZT_MANAGEDROUTE_HPP
#include "../node/AtomicCounter.hpp"
#include "../node/InetAddress.hpp"
#include "../node/SharedPtr.hpp"
#include "../node/Utils.hpp"
#include <map>
#include <stdexcept>
#include <stdlib.h>
#include <string.h>
#include <vector>
namespace ZeroTier {
/**
* A ZT-managed route that used C++ RAII semantics to automatically clean itself up on deallocate
*/
class ManagedRoute {
friend class SharedPtr<ManagedRoute>;
public:
ManagedRoute(const InetAddress& target, const InetAddress& via, const InetAddress& src, const char* device);
~ManagedRoute();
/**
* Set or update currently set route
*
* This must be called periodically for routes that shadow others so that
* shadow routes can be updated. In some cases it has no effect
*
* @return True if route add/update was successful
*/
bool sync();
/**
* Remove and clear this ManagedRoute
*
* This does nothing if this ManagedRoute is not set or has already been
* removed. If this is not explicitly called it is called automatically on
* destruct.
*/
void remove();
inline const InetAddress& target() const
{
return _target;
}
inline const InetAddress& via() const
{
return _via;
}
inline const InetAddress& src() const
{
return _src;
}
inline const char* device() const
{
return _device;
}
private:
ManagedRoute(const ManagedRoute&)
{
}
inline ManagedRoute& operator=(const ManagedRoute&)
{
return *this;
}
InetAddress _target;
InetAddress _via;
InetAddress _src;
InetAddress _systemVia; // for route overrides
std::map<InetAddress, bool> _applied; // routes currently applied
char _device[128];
char _systemDevice[128]; // for route overrides
AtomicCounter __refCount;
};
} // namespace ZeroTier
#endif