diff options
Diffstat (limited to 'node/OutboundMulticast.cpp')
| -rw-r--r-- | node/OutboundMulticast.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/node/OutboundMulticast.cpp b/node/OutboundMulticast.cpp new file mode 100644 index 00000000..bf2991cc --- /dev/null +++ b/node/OutboundMulticast.cpp @@ -0,0 +1,59 @@ +/* + * ZeroTier One - Global Peer to Peer Ethernet + * Copyright (C) 2011-2014 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 "Constants.hpp" +#include "OutboundMulticast.hpp" +#include "Switch.hpp" + +namespace ZeroTier { + +void OutboundMulticast::init(uint64_t timestamp,const Address &self,uint64_t nwid,unsigned int gatherLimit,const MAC &src,const MulticastGroup &dest,unsigned int etherType,const void *payload,unsigned int len) +{ + _timestamp = timestamp; + _nwid = nwid; + _source = src; + _destination = dest; + _etherType = etherType; + _packet.setSource(self); + _packet.setVerb(Packet::VERB_MULTICAST_FRAME); + _packet.append((uint64_t)nwid); + _packet.append((char)0); // 0 flags + _packet.append((uint32_t)gatherLimit); // gather limit -- set before send, start with 0 + _packet.append((uint32_t)dest.adi()); + dest.mac().appendTo(_packet); + src.appendTo(_packet); + _packet.append((uint16_t)etherType); + _packet.append(payload,len); + _packet.compress(); +} + +void OutboundMulticast::sendOnly(Switch &sw,const Address &toAddr) +{ + sw.send(Packet(_packet,toAddr),true); +} + +} // namespace ZeroTier |
