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#ifndef ZT_MANAGEDROUTE_HPP
#define ZT_MANAGEDROUTE_HPP
#include <stdlib.h>
#include <string.h>
#include "../node/InetAddress.hpp"
#include "../node/Utils.hpp"
#include <stdexcept>
#include <vector>
namespace ZeroTier {
/**
* A ZT-managed route that used C++ RAII semantics to automatically clean itself up on deallocate
*/
class ManagedRoute
{
public:
ManagedRoute() :
target(),
via(),
applied(false)
{
device[0] = (char)0;
}
~ManagedRoute()
{
this->remove();
}
/**
* @param target Route target (e.g. 0.0.0.0/0 for default)
* @param via Route next L3 hop or NULL InetAddress if local
* @param device Device name/ID if 'via' is null and route is local, otherwise ignored
* @return True if route was successfully set
*/
inline bool set(const InetAddress &target,const InetAddress &via,const char *device)
{
if ((!via)&&((!device)||(!device[0])))
return false;
this->remove();
this->target = target;
this->via = via;
this->applied = true;
Utils::scopy(this->device,sizeof(this->device),device);
return this->sync();
}
/**
* 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 (also done automatically on destruct)
*
* This does nothing if this ManagedRoute is not set or has already been removed.
*/
void remove();
private:
/*
static inline bool _viaCompare(const InetAddress &v1,const InetAddress &v2)
{
if (v1) {
if (v2)
return v1.ipsEqual(v2);
else return false;
} else if (v2)
return false;
else return true;
}
*/
// non-copyable
ManagedRoute(const ManagedRoute &mr) {}
inline ManagedRoute &operator=(const ManagedRoute &mr) { return *this; }
InetAddress target;
InetAddress via;
bool applied;
char device[128];
};
} // namespace ZeroTier
#endif
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