mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-30 17:56:57 +00:00
140 lines
3.6 KiB
C++
140 lines
3.6 KiB
C++
/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2015 ZeroTier, Inc.
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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_ONE_HPP
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#define ZT_ONE_HPP
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#include <string>
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namespace ZeroTier {
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class NetworkConfigMaster;
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/**
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* ZeroTier One -- local VPN/NVF service built around ZeroTier core
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*/
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class One
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{
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public:
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/**
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* Returned by node main if/when it terminates
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*/
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enum ReasonForTermination
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{
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/**
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* Instance is still running
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*/
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ONE_STILL_RUNNING = 0,
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/**
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* Normal shutdown
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*/
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ONE_NORMAL_TERMINATION = 1,
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/**
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* A serious unrecoverable error has occurred
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*/
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ONE_UNRECOVERABLE_ERROR = 2,
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/**
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* Your identity has collided with another
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*/
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ONE_IDENTITY_COLLISION = 3
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};
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/**
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* @return Platform default home path or empty string if this platform doesn't have one
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*/
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static std::string platformDefaultHomePath();
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/**
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* Create a new instance of the service
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*
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* Once created, you must call the run() method to actually start
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* processing.
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*
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* @param hp Home path
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* @param port TCP and UDP port for packets and HTTP control
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* @param master Instance of network config master if this instance is to act as one (default: NULL)
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* @param overrideRootTopology String-serialized root topology (for testing, default: NULL)
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*/
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static One *newInstance(
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const char *hp,
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unsigned int port,
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NetworkConfigMaster *master = (NetworkConfigMaster *)0,
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const char *overrideRootTopology = (const char *)0);
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virtual ~One();
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/**
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* Execute the service main I/O loop until terminated
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*
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* The terminate() method may be called from a signal handler or another
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* thread to terminate execution. Otherwise this will not return unless
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* another condition terminates execution such as a fatal error.
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*
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* @param
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*/
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virtual ReasonForTermination run() = 0;
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/**
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* @return Reason for terminating or ONE_STILL_RUNNING if running
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*/
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virtual ReasonForTermination reasonForTermination() const = 0;
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/**
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* @return Fatal error message or empty string if none
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*/
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virtual std::string fatalErrorMessage() const = 0;
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/**
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* @return System device name corresponding with a given ZeroTier network ID or empty string if not opened yet or network ID not found
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*/
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virtual std::string portDeviceName(uint64_t nwid) const = 0;
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/**
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* Terminate background service (can be called from other threads)
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*/
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virtual void terminate() = 0;
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/**
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* @return True if service is still running
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*/
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inline bool isRunning() const { return (this->reasonForTermination() == ONE_STILL_RUNNING); }
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protected:
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One() {}
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private:
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One(const One &one) {}
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inline One &operator=(const One &one) { return *this; }
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};
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} // namespace ZeroTier
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#endif
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