mirror of
https://github.com/NAStools/zerotierone.git
synced 2024-09-19 08:50:21 -07:00
108 lines
2.4 KiB
C++
108 lines
2.4 KiB
C++
#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()
|
|
{
|
|
_device[0] = (char)0;
|
|
_systemDevice[0] = (char)0;
|
|
_applied = false;
|
|
}
|
|
|
|
~ManagedRoute()
|
|
{
|
|
this->remove();
|
|
}
|
|
|
|
ManagedRoute(const ManagedRoute &r)
|
|
{
|
|
_applied = false;
|
|
*this = r;
|
|
}
|
|
|
|
inline ManagedRoute &operator=(const ManagedRoute &r)
|
|
{
|
|
if ((!_applied)&&(!r._applied)) {
|
|
memcpy(this,&r,sizeof(ManagedRoute)); // InetAddress is memcpy'able
|
|
} else {
|
|
fprintf(stderr,"Applied ManagedRoute isn't copyable!\n");
|
|
abort();
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
/**
|
|
* Initialize object and set route
|
|
*
|
|
* Note: on Windows, use the interface NET_LUID in hexadecimal as the
|
|
* "device name."
|
|
*
|
|
* @param target Route target (e.g. 0.0.0.0/0 for default)
|
|
* @param via Route next L3 hop or NULL InetAddress if local in which case it will be routed via device
|
|
* @param device Name or hex LUID of ZeroTier device (e.g. zt#)
|
|
* @return True if route was successfully set
|
|
*/
|
|
inline bool set(const InetAddress &target,const InetAddress &via,const char *device)
|
|
{
|
|
if ((!via)&&(!device[0]))
|
|
return false;
|
|
this->remove();
|
|
_target = target;
|
|
_via = via;
|
|
Utils::scopy(_device,sizeof(_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
|
|
*
|
|
* 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 char *device() const { return _device; }
|
|
|
|
private:
|
|
|
|
InetAddress _target;
|
|
InetAddress _via;
|
|
InetAddress _systemVia; // for route overrides
|
|
char _device[128];
|
|
char _systemDevice[128]; // for route overrides
|
|
bool _applied;
|
|
};
|
|
|
|
} // namespace ZeroTier
|
|
|
|
#endif
|