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152 lines
3.5 KiB
152 lines
3.5 KiB
/* |
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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 "TestEthernetTap.hpp" |
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#include "TestEthernetTapFactory.hpp" |
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#include "../node/Constants.hpp" |
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#include "../node/Utils.hpp" |
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#include <stdio.h> |
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#include <stdlib.h> |
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#ifdef __WINDOWS__ |
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#include <process.h> |
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#else |
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#include <unistd.h> |
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#endif |
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namespace ZeroTier { |
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TestEthernetTap::TestEthernetTap( |
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TestEthernetTapFactory *parent, |
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const MAC &mac, |
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unsigned int mtu, |
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unsigned int metric, |
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uint64_t nwid, |
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const char *desiredDevice, |
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const char *friendlyName, |
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void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &), |
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void *arg) : |
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EthernetTap("TestEthernetTap",mac,mtu,metric), |
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_nwid(nwid), |
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_parent(parent), |
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_handler(handler), |
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_arg(arg), |
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_enabled(true) |
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{ |
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static volatile unsigned int testTapCounter = 0; |
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char tmp[64]; |
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int pid = 0; |
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#ifdef __UNIX_LIKE__ |
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pid = (int)getpid(); |
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#endif |
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#ifdef __WINDOWS__ |
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pid = (int)_getpid(); |
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#endif |
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Utils::snprintf(tmp,sizeof(tmp),"test%dtap%d",pid,testTapCounter++); |
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_dev = tmp; |
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_thread = Thread::start(this); |
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} |
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TestEthernetTap::~TestEthernetTap() |
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{ |
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static const TestFrame zf; // use a static empty frame because of weirdo G++ warning bug... |
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_pq.push(zf); // empty frame terminates thread |
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Thread::join(_thread); |
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} |
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void TestEthernetTap::setEnabled(bool en) |
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{ |
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_enabled = en; |
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} |
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bool TestEthernetTap::enabled() const |
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{ |
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return _enabled; |
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} |
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bool TestEthernetTap::addIP(const InetAddress &ip) |
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{ |
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return true; |
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} |
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bool TestEthernetTap::removeIP(const InetAddress &ip) |
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{ |
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return true; |
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} |
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std::set<InetAddress> TestEthernetTap::ips() const |
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{ |
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return std::set<InetAddress>(); |
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} |
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void TestEthernetTap::put(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len) |
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{ |
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_gq.push(TestFrame(from,to,data,etherType,len)); |
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} |
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std::string TestEthernetTap::deviceName() const |
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{ |
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return _dev; |
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} |
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void TestEthernetTap::setFriendlyName(const char *friendlyName) |
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{ |
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} |
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bool TestEthernetTap::updateMulticastGroups(std::set<MulticastGroup> &groups) |
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{ |
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return false; |
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} |
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bool TestEthernetTap::injectPacketFromHost(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len) |
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{ |
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if ((len == 0)||(len > 2800)) |
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return false; |
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_pq.push(TestFrame(from,to,data,etherType & 0xffff,len)); |
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return true; |
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} |
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void TestEthernetTap::threadMain() |
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throw() |
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{ |
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TestFrame f; |
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for(;;) { |
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if (_pq.pop(f,0)) { |
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if (f.len) { |
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try { |
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_handler(_arg,f.from,f.to,f.etherType,Buffer<4096>(f.data,f.len)); |
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} catch ( ... ) {} |
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} else break; |
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} |
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} |
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} |
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} // namespace ZeroTier
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