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authorGrant Limberg <glimberg@gmail.com>2015-11-02 18:30:54 -0800
committerGrant Limberg <glimberg@gmail.com>2015-11-02 18:30:54 -0800
commita19e82fcbc2203f0d84a0e744d344e0796bc0c33 (patch)
tree2f8cfc56a03cf6e614991c83a309b5fce5a48e48 /node/RemotePath.hpp
parent0ffcfa307e537347f181e7b22047f252d0cdc414 (diff)
parent4e9d4304761f93a1764d3ec2d2b0c38140decad8 (diff)
downloadinfinitytier-a19e82fcbc2203f0d84a0e744d344e0796bc0c33.tar.gz
infinitytier-a19e82fcbc2203f0d84a0e744d344e0796bc0c33.zip
Merge branch 'edge' into windows-ui
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diff --git a/node/RemotePath.hpp b/node/RemotePath.hpp
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-/*
- * 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/
- */
-
-#ifndef ZT_REMOTEPATH_HPP
-#define ZT_REMOTEPATH_HPP
-
-#include <stdint.h>
-#include <string.h>
-
-#include <stdexcept>
-#include <algorithm>
-
-#include "Path.hpp"
-#include "Node.hpp"
-#include "AntiRecursion.hpp"
-#include "RuntimeEnvironment.hpp"
-
-namespace ZeroTier {
-
-/**
- * Path to a remote peer
- *
- * This extends Path to include status information about path activity.
- */
-class RemotePath : public Path
-{
-public:
- RemotePath() :
- Path(),
- _lastSend(0),
- _lastReceived(0),
- _localAddress(),
- _flags(0) {}
-
- RemotePath(const InetAddress &localAddress,const InetAddress &addr) :
- Path(addr,0,TRUST_NORMAL),
- _lastSend(0),
- _lastReceived(0),
- _localAddress(localAddress),
- _flags(0) {}
-
- inline const InetAddress &localAddress() const throw() { return _localAddress; }
-
- inline uint64_t lastSend() const throw() { return _lastSend; }
- inline uint64_t lastReceived() const throw() { return _lastReceived; }
-
- /**
- * Called when a packet is sent to this remote path
- *
- * This is called automatically by RemotePath::send().
- *
- * @param t Time of send
- */
- inline void sent(uint64_t t)
- throw()
- {
- _lastSend = t;
- }
-
- /**
- * Called when a packet is received from this remote path
- *
- * @param t Time of receive
- */
- inline void received(uint64_t t)
- throw()
- {
- _lastReceived = t;
- }
-
- /**
- * @param now Current time
- * @return True if this path appears active
- */
- inline bool active(uint64_t now) const
- throw()
- {
- return ((now - _lastReceived) < ZT_PEER_ACTIVITY_TIMEOUT);
- }
-
- /**
- * Send a packet via this path
- *
- * @param RR Runtime environment
- * @param data Packet data
- * @param len Packet length
- * @param now Current time
- * @return True if transport reported success
- */
- inline bool send(const RuntimeEnvironment *RR,const void *data,unsigned int len,uint64_t now)
- {
- if (RR->node->putPacket(_localAddress,address(),data,len)) {
- sent(now);
- RR->antiRec->logOutgoingZT(data,len);
- return true;
- }
- return false;
- }
-
- template<unsigned int C>
- inline void serialize(Buffer<C> &b) const
- {
- b.append((uint8_t)1); // version
- _addr.serialize(b);
- b.append((uint8_t)_trust);
- b.append((uint64_t)_lastSend);
- b.append((uint64_t)_lastReceived);
- _localAddress.serialize(b);
- b.append((uint16_t)_flags);
- }
-
- template<unsigned int C>
- inline unsigned int deserialize(const Buffer<C> &b,unsigned int startAt = 0)
- {
- unsigned int p = startAt;
- if (b[p++] != 1)
- throw std::invalid_argument("invalid serialized RemotePath");
- p += _addr.deserialize(b,p);
- _ipScope = _addr.ipScope();
- _trust = (Path::Trust)b[p++];
- _lastSend = b.template at<uint64_t>(p); p += 8;
- _lastReceived = b.template at<uint64_t>(p); p += 8;
- p += _localAddress.deserialize(b,p);
- _flags = b.template at<uint16_t>(p); p += 2;
- return (p - startAt);
- }
-
-protected:
- uint64_t _lastSend;
- uint64_t _lastReceived;
- InetAddress _localAddress;
- uint16_t _flags;
-};
-
-} // namespace ZeroTier
-
-#endif