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| author | Adam Ierymenko <adam.ierymenko@gmail.com> | 2013-07-04 16:56:19 -0400 |
|---|---|---|
| committer | Adam Ierymenko <adam.ierymenko@gmail.com> | 2013-07-04 16:56:19 -0400 |
| commit | 150850b80012f852521c9935145cf966946334d5 (patch) | |
| tree | c082369f2fef2515cfa2e4acf1b83250a3963158 /node/Peer.cpp | |
| download | infinitytier-150850b80012f852521c9935145cf966946334d5.tar.gz infinitytier-150850b80012f852521c9935145cf966946334d5.zip | |
New git repository for release - version 0.2.0 tagged
Diffstat (limited to 'node/Peer.cpp')
| -rw-r--r-- | node/Peer.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/node/Peer.cpp b/node/Peer.cpp new file mode 100644 index 00000000..09732947 --- /dev/null +++ b/node/Peer.cpp @@ -0,0 +1,141 @@ +/* + * 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 "Peer.hpp" + +namespace ZeroTier { + +Peer::Peer() : + _dirty(false) +{ +} + +Peer::Peer(const Identity &myIdentity,const Identity &peerIdentity) + throw(std::runtime_error) : + _id(peerIdentity), + _dirty(true) +{ + if (!myIdentity.agree(peerIdentity,_keys,sizeof(_keys))) + throw std::runtime_error("new peer identity key agreement failed"); +} + +void Peer::onReceive(const RuntimeEnvironment *_r,Demarc::Port localPort,const InetAddress &fromAddr,unsigned int latency,unsigned int hops,Packet::Verb verb,uint64_t now) +{ + if (!hops) { // direct packet + WanPath *wp = (fromAddr.isV4() ? &_ipv4p : &_ipv6p); + + wp->lastReceive = now; + if (verb == Packet::VERB_FRAME) + wp->lastUnicastFrame = now; + if (latency) + wp->latency = latency; + wp->localPort = localPort; + if (!wp->fixed) + wp->addr = fromAddr; + + _dirty = true; + } +} + +bool Peer::send(const RuntimeEnvironment *_r,const void *data,unsigned int len,bool relay,Packet::Verb verb,uint64_t now) +{ + if ((_ipv6p.isActive(now))||((!(_ipv4p.addr))&&(_ipv6p.addr))) { + if (_r->demarc->send(_ipv6p.localPort,_ipv6p.addr,data,len,-1)) { + _ipv6p.lastSend = now; + if (verb == Packet::VERB_FRAME) + _ipv6p.lastUnicastFrame = now; + _dirty = true; + return true; + } + } + + if (_ipv4p.addr) { + if (_r->demarc->send(_ipv4p.localPort,_ipv4p.addr,data,len,-1)) { + _ipv4p.lastSend = now; + if (verb == Packet::VERB_FRAME) + _ipv4p.lastUnicastFrame = now; + _dirty = true; + return true; + } + } + + return false; +} + +bool Peer::sendFirewallOpener(const RuntimeEnvironment *_r,uint64_t now) +{ + bool sent = false; + if (_ipv4p.addr) { + if (_r->demarc->send(_ipv4p.localPort,_ipv4p.addr,"\0",1,ZT_FIREWALL_OPENER_HOPS)) { + _ipv4p.lastFirewallOpener = now; + _dirty = true; + sent = true; + } + } + if (_ipv6p.addr) { + if (_r->demarc->send(_ipv6p.localPort,_ipv6p.addr,"\0",1,ZT_FIREWALL_OPENER_HOPS)) { + _ipv6p.lastFirewallOpener = now; + _dirty = true; + sent = true; + } + } + return sent; +} + +void Peer::setPathAddress(const InetAddress &addr,bool fixed) +{ + if (addr.isV4()) { + _ipv4p.addr = addr; + _ipv4p.fixed = fixed; + _dirty = true; + } else if (addr.isV6()) { + _ipv6p.addr = addr; + _ipv6p.fixed = fixed; + _dirty = true; + } +} + +void Peer::clearFixedFlag(InetAddress::AddressType t) +{ + switch(t) { + case InetAddress::TYPE_NULL: + _ipv4p.fixed = false; + _ipv6p.fixed = false; + _dirty = true; + break; + case InetAddress::TYPE_IPV4: + _ipv4p.fixed = false; + _dirty = true; + break; + case InetAddress::TYPE_IPV6: + _ipv6p.fixed = false; + _dirty = true; + break; + } +} + +} // namespace ZeroTier |
