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/*
* ZeroTier One - Global Peer to Peer Ethernet
* Copyright (C) 2011-2014 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 "SimNet.hpp"
#include "../node/Constants.hpp"
#include "../node/Utils.hpp"
namespace ZeroTier {
SimNet::SimNet()
{
}
SimNet::~SimNet()
{
}
SimNetSocketManager *newEndpoint()
{
Mutex::Lock _l(_lock);
if (_endpoints.size() >= ZT_SIMNET_MAX_TESTNET_SIZE)
return (SimNetSocketManager *)0;
InetAddress fake;
uint32_t ip = _prng.next32();
for(;;) {
++ip;
ip &= 0x00ffffff;
ip |= 0x0a000000; // 10.x.x.x
if (((ip >> 16) & 0xff) == 0xff) ip ^= 0x00010000;
if (((ip >> 8) & 0xff) == 0xff) ip ^= 0x00000100;
if ((ip & 0xff) == 0xff) --ip;
if ((ip & 0xff) == 0x00) ++ip;
uint32_t ipn = Utils::hton(ip);
fake.set(&ipn,4,8); // 10.x.x.x/8
if (_endpoints.find(fake) == _endpoints.end()) {
SimNetSocketManager *sm = &(_endpoints[fake]);
sm->_sn = this;
sm->_address = fake;
return sm;
}
}
}
SimNetSocketManager *get(const InetAddress &addr)
{
Mutex::Lock _l(_lock);
std::map< InetAddress,SimNetSocketManager >::iterator ep(_endpoints.find(addr));
if (ep == _endpoints.end())
return (SimNetSocketManager *)0;
return &(ep->second);
}
std::vector<SimNetSocketManager *> SimNet::all()
{
std::vector<SimNetSocketManager *> a;
Mutex::Lock _l(_lock);
for (std::map< InetAddress,SimNetSocketManager >::iterator ep(_endpoints.begin());ep!=_endpoints.end();++ep)
a.push_back(&(ep->second));
return a;
}
} // namespace ZeroTier
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