ZeroTierOne/netcon/NetconEthernetTap.cpp
2015-09-02 15:51:28 -07:00

162 lines
4.1 KiB
C++

/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#ifdef ZT_ENABLE_NETCON
#include "NetconEthernetTap.hpp"
#include "../node/Utils.hpp"
#include "../osdep/OSUtils.hpp"
#include "../osdep/Phy.hpp"
namespace ZeroTier {
NetconEthernetTap::NetconEthernetTap(
const char *homePath,
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *friendlyName,
void (*handler)(void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *,unsigned int),
void *arg) :
_phy(this,false,true),
_unixListenSocket((PhySocket *)0),
_handler(handler),
_arg(arg),
_nwid(nwid),
_thread(),
_homePath(homePath),
_dev(),
_multicastGroups(),
_mtu(mtu),
_enabled(true),
_run(true)
{
char sockPath[4096];
Utils::snprintf(sockPath,sizeof(sockPath),"/tmp/.ztnc_%.16llx",(unsigned long long)nwid);
_dev = sockPath;
_unixListenSocket = _phy.unixListen(sockPath,(void *)this);
if (!_unixSocket)
throw std::runtime_error(std::string("unable to bind to ")+sockPath);
_thread = Thread::start(this);
}
NetconEthernetTap::~NetconEthernetTap()
{
_run = false;
_phy.whack();
_phy.whack();
Thread::join(_thread);
_phy.close(_unixListenSocket,false);
}
void NetconEthernetTap::setEnabled(bool en)
{
_enabled = en;
}
bool NetconEthernetTap::enabled() const
{
return _enabled;
}
bool NetconEthernetTap::addIp(const InetAddress &ip)
{
}
bool NetconEthernetTap::removeIp(const InetAddress &ip)
{
}
std::vector<InetAddress> NetconEthernetTap::ips() const
{
}
void NetconEthernetTap::put(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len)
{
if (!_enabled)
return;
}
std::string NetconEthernetTap::deviceName() const
{
return _dev;
}
void NetconEthernetTap::setFriendlyName(const char *friendlyName)
{
}
void NetconEthernetTap::scanMulticastGroups(std::vector<MulticastGroup> &added,std::vector<MulticastGroup> &removed)
{
}
void NetconEthernetTap::threadMain()
throw()
{
while (_run) {
unsigned long pollTimeout = 500;
// TODO: compute timeout from LWIP stuff
_phy.poll(pollTimeout);
}
// TODO: cleanup -- destroy LWIP state, kill any clients, unload .so, etc.
}
// Unused
void NetconEthernetTap::phyOnDatagram(PhySocket *sock,void **uptr,const struct sockaddr *from,void *data,unsigned long len) {}
void NetconEthernetTap::phyOnTcpConnect(PhySocket *sock,void **uptr,bool success) {}
void NetconEthernetTap::phyOnTcpAccept(PhySocket *sockL,PhySocket *sockN,void **uptrL,void **uptrN,const struct sockaddr *from) {}
void NetconEthernetTap::phyOnTcpClose(PhySocket *sock,void **uptr) {}
void NetconEthernetTap::phyOnTcpData(PhySocket *sock,void **uptr,void *data,unsigned long len) {}
void NetconEthernetTap::phyOnTcpWritable(PhySocket *sock,void **uptr) {}
void NetconEthernetTap::phyOnUnixAccept(PhySocket *sockL,PhySocket *sockN,void **uptrL,void **uptrN)
{
}
void NetconEthernetTap::phyOnUnixClose(PhySocket *sock,void **uptr)
{
}
void NetconEthernetTap::phyOnUnixData(PhySocket *sock,void **uptr,void *data,unsigned long len)
{
}
void NetconEthernetTap::phyOnUnixWritable(PhySocket *sock,void **uptr)
{
}
} // namespace ZeroTier
#endif // ZT_ENABLE_NETCON