mirror of
https://github.com/zerotier/ZeroTierOne.git
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126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
/*
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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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#ifndef ZT_RUNTIMEENVIRONMENT_HPP
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#define ZT_RUNTIMEENVIRONMENT_HPP
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#include <string>
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#include "Constants.hpp"
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#include "Identity.hpp"
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namespace ZeroTier {
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class NodeConfig;
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class Logger;
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class Switch;
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class Topology;
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class SysEnv;
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class CMWC4096;
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class Service;
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class Node;
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class Multicaster;
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class SoftwareUpdater;
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class SocketManager;
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/**
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* Holds global state for an instance of ZeroTier::Node
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*
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* I do not believe in mutable static variables, period, or in global static
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* instances of objects that don't basically represent constants. It makes
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* unit testing, embedding, threading, and other things hard and is poor
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* practice.
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*
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* So we put everything that we would want to be global, like Logger, here
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* and we give everybody this as _r. The Node creates and initializes this
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* on startup and deletes things on shutdown.
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*/
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class RuntimeEnvironment
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{
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public:
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RuntimeEnvironment() :
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shutdownInProgress(false),
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timeOfLastResynchronize(0),
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timeOfLastPacketReceived(0),
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log((Logger *)0),
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prng((CMWC4096 *)0),
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mc((Multicaster *)0),
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sw((Switch *)0),
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sm((SocketManager *)0),
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topology((Topology *)0),
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sysEnv((SysEnv *)0),
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nc((NodeConfig *)0),
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updater((SoftwareUpdater *)0)
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#ifndef __WINDOWS__
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,netconfService((Service *)0)
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#endif
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{
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}
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// Full path to home folder
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std::string homePath;
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// This node's identity
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Identity identity;
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// Indicates that we are shutting down -- this is hacky, want to factor out
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volatile bool shutdownInProgress;
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// Time network environment (e.g. fingerprint) last changed -- used to determine online-ness
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volatile uint64_t timeOfLastResynchronize;
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// Time last packet was received -- from anywhere. This is updated in Peer::receive()
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// via an ugly const_cast<>.
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volatile uint64_t timeOfLastPacketReceived;
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/*
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* Order matters a bit here. These are constructed in this order
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* and then deleted in the opposite order on Node exit. The order ensures
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* that things that are needed are there before they're needed.
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*
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* These are constant and never null after startup unless indicated.
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*/
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Logger *log; // null if logging is disabled
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CMWC4096 *prng;
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Multicaster *mc;
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Switch *sw;
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SocketManager *sm;
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Topology *topology;
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SysEnv *sysEnv;
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NodeConfig *nc;
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Node *node;
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SoftwareUpdater *updater; // null if software updates are not enabled
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#ifndef __WINDOWS__
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Service *netconfService; // null if no netconf service running
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#endif
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};
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} // namespace ZeroTier
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#endif
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