ZeroTierOne/osdep/EthernetTap.hpp
Adam Ierymenko 105023bd87
Build fix
2019-09-25 12:43:14 -07:00

94 lines
2.9 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: 2023-01-01
*
* 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_ETHERNETTAP_HPP
#define ZT_ETHERNETTAP_HPP
#include "../node/Constants.hpp"
#include "../node/MAC.hpp"
#include "../node/InetAddress.hpp"
#include "../node/MulticastGroup.hpp"
#include "ManagedRoute.hpp"
#include <string>
#include <memory>
#include <vector>
#include <mutex>
#include <map>
namespace ZeroTier {
class EthernetTap
{
public:
static std::shared_ptr<EthernetTap> newInstance(
const char *tapDeviceType, // OS-specific, NULL for default
const char *homePath,
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *friendlyName,
void (*handler)(void *,void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *,unsigned int),
void *arg);
EthernetTap();
virtual ~EthernetTap();
virtual void setEnabled(bool en) = 0;
virtual bool enabled() const = 0;
virtual bool addIp(const InetAddress &ip) = 0;
virtual bool addIps(std::vector<InetAddress> ips); // uses addIp() unless overridden
virtual bool removeIp(const InetAddress &ip) = 0;
virtual std::vector<InetAddress> ips() const = 0;
virtual void put(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len) = 0;
virtual std::string deviceName() const = 0;
virtual std::string routingDeviceName() const;
virtual void setFriendlyName(const char *friendlyName) = 0;
virtual void scanMulticastGroups(std::vector<MulticastGroup> &added,std::vector<MulticastGroup> &removed) = 0;
virtual void setMtu(unsigned int mtu) = 0;
ZT_ALWAYS_INLINE int addRoute(const InetAddress &target,const InetAddress &via,const unsigned int metric)
{
const std::string dn(this->routingDeviceName());
const char *const dnp = (dn.length() > 0) ? dn.c_str() : (const char *)0;
std::lock_guard<std::mutex> l(_managedRoutes_l);
_managedRoutes[std::pair<InetAddress,unsigned int>(target,metric)] = std::shared_ptr<ManagedRoute>(new ManagedRoute(target,via,dnp));
return 0;
}
ZT_ALWAYS_INLINE int removeRoute(const InetAddress &target,const InetAddress &via,const unsigned int metric)
{
std::lock_guard<std::mutex> l(_managedRoutes_l);
_managedRoutes.erase(std::pair<InetAddress,unsigned int>(target,metric));
return 0;
}
ZT_ALWAYS_INLINE int syncRoutes()
{
std::lock_guard<std::mutex> l(_managedRoutes_l);
for(auto r=_managedRoutes.begin();r!=_managedRoutes.end();++r) {
r->second->sync();
}
return 0;
}
private:
std::map< std::pair<InetAddress,unsigned int>,std::shared_ptr<ManagedRoute> > _managedRoutes;
std::mutex _managedRoutes_l;
};
} // namespace ZeroTier
#endif