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6 changed files with 80 additions and 35 deletions
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node/OutboundMulticast.cpp
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node/OutboundMulticast.cpp
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/*
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* ZeroTier One - Global Peer to Peer Ethernet
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* Copyright (C) 2011-2014 ZeroTier Networks LLC
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* ZeroTier may be used and distributed under the terms of the GPLv3, which
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html
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*
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* If you would like to embed ZeroTier into a commercial application or
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* redistribute it in a modified binary form, please contact ZeroTier Networks
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* LLC. Start here: http://www.zerotier.com/
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*/
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#include "Constants.hpp"
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#include "OutboundMulticast.hpp"
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#include "Switch.hpp"
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namespace ZeroTier {
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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)
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{
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_timestamp = timestamp;
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_nwid = nwid;
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_source = src;
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_destination = dest;
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_etherType = etherType;
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_packet.setSource(self);
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_packet.setVerb(Packet::VERB_MULTICAST_FRAME);
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_packet.append((uint64_t)nwid);
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_packet.append((char)0); // 0 flags
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_packet.append((uint32_t)gatherLimit); // gather limit -- set before send, start with 0
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_packet.append((uint32_t)dest.adi());
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dest.mac().appendTo(_packet);
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src.appendTo(_packet);
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_packet.append((uint16_t)etherType);
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_packet.append(payload,len);
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_packet.compress();
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}
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void OutboundMulticast::sendOnly(Switch &sw,const Address &toAddr)
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{
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sw.send(Packet(_packet,toAddr),true);
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}
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} // namespace ZeroTier
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