mirror of
https://github.com/ZeroTier/ZeroTierOne
synced 2025-07-08 05:51:17 -07:00
89 lines
2.4 KiB
C++
89 lines
2.4 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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#include "SimNet.hpp"
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#include "../node/Constants.hpp"
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#include "../node/Utils.hpp"
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namespace ZeroTier {
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SimNet::SimNet()
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{
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}
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SimNet::~SimNet()
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{
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}
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SimNetSocketManager *newEndpoint()
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{
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Mutex::Lock _l(_lock);
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if (_endpoints.size() >= ZT_SIMNET_MAX_TESTNET_SIZE)
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return (SimNetSocketManager *)0;
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InetAddress fake;
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uint32_t ip = _prng.next32();
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for(;;) {
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++ip;
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ip &= 0x00ffffff;
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ip |= 0x0a000000; // 10.x.x.x
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if (((ip >> 16) & 0xff) == 0xff) ip ^= 0x00010000;
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if (((ip >> 8) & 0xff) == 0xff) ip ^= 0x00000100;
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if ((ip & 0xff) == 0xff) --ip;
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if ((ip & 0xff) == 0x00) ++ip;
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uint32_t ipn = Utils::hton(ip);
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fake.set(&ipn,4,8); // 10.x.x.x/8
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if (_endpoints.find(fake) == _endpoints.end()) {
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SimNetSocketManager *sm = &(_endpoints[fake]);
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sm->_sn = this;
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sm->_address = fake;
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return sm;
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}
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}
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}
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SimNetSocketManager *get(const InetAddress &addr)
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{
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Mutex::Lock _l(_lock);
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std::map< InetAddress,SimNetSocketManager >::iterator ep(_endpoints.find(addr));
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if (ep == _endpoints.end())
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return (SimNetSocketManager *)0;
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return &(ep->second);
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}
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std::vector<SimNetSocketManager *> SimNet::all()
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{
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std::vector<SimNetSocketManager *> a;
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Mutex::Lock _l(_lock);
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for (std::map< InetAddress,SimNetSocketManager >::iterator ep(_endpoints.begin());ep!=_endpoints.end();++ep)
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a.push_back(&(ep->second));
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return a;
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}
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} // namespace ZeroTier
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