diff options
Diffstat (limited to 'node/Network.cpp')
-rw-r--r-- | node/Network.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/node/Network.cpp b/node/Network.cpp new file mode 100644 index 00000000..41f04e9f --- /dev/null +++ b/node/Network.cpp @@ -0,0 +1,80 @@ +/* + * ZeroTier One - Global Peer to Peer Ethernet + * Copyright (C) 2012-2013 ZeroTier Networks LLC + * + * 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/ + */ + +#include "Network.hpp" +#include "Switch.hpp" + +namespace ZeroTier { + +Network::Network(const RuntimeEnvironment *renv,uint64_t id) + throw(std::runtime_error) : + Thread(), + _r(renv), + _id(id), + _tap(renv,renv->identity.address().toMAC(),ZT_IF_MTU), + _members(), + _open(false), + _lock() +{ + TRACE("new network %llu created, TAP device: %s",id,_tap.deviceName().c_str()); + start(); +} + +Network::~Network() +{ + _tap.close(); + join(); + TRACE("network %llu (%s) closed",_id,_tap.deviceName().c_str()); +} + +void Network::main() + throw() +{ + Buffer<4096> buf; + MAC from,to; + unsigned int etherType = 0; + + while (_tap.open()) { + unsigned int len = _tap.get(from,to,etherType,buf.data()); + if (len) { + buf.setSize(len); + try { + if (!*__refCount) + break; // sanity check + _r->sw->onLocalEthernet(SharedPtr<Network>(this),from,to,etherType,buf); + } catch (std::exception &exc) { + TRACE("unexpected exception handling local packet: %s",exc.what()); + } catch ( ... ) { + TRACE("unexpected exception handling local packet"); + } + } else break; + } + + TRACE("network %llu thread terminating",_id); +} + +} // namespace ZeroTier |