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/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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/
*/
#pragma region Includes
#include <WinSock2.h>
#include <Windows.h>
#include <stdio.h>
#include <stdlib.h>
#include "ZeroTierOneService.h"
#include "../../version.h"
#include "../../include/ZeroTierOne.h"
#include "../../node/Constants.hpp"
#include "../../node/Utils.hpp"
#include "../../osdep/OSUtils.hpp"
#include "../../service/OneService.hpp"
#pragma endregion // Includes
#ifdef ZT_DEBUG_SERVICE
FILE *SVCDBGfile = (FILE *)0;
ZeroTier::Mutex SVCDBGfile_m;
#endif
ZeroTierOneService::ZeroTierOneService() :
CServiceBase(ZT_SERVICE_NAME,TRUE,TRUE,FALSE),
_service((ZeroTier::OneService *)0)
{
#ifdef ZT_DEBUG_SERVICE
SVCDBGfile_m.lock();
if (!SVCDBGfile)
SVCDBGfile = fopen(ZT_DEBUG_SERVICE,"a");
SVCDBGfile_m.unlock();
#endif
ZT_SVCDBG("ZeroTierOneService::ZeroTierOneService()\r\n");
}
ZeroTierOneService::~ZeroTierOneService(void)
{
ZT_SVCDBG("ZeroTierOneService::~ZeroTierOneService()\r\n");
#ifdef ZT_DEBUG_SERVICE
SVCDBGfile_m.lock();
if (SVCDBGfile) {
fclose(SVCDBGfile);
SVCDBGfile = (FILE *)0;
}
SVCDBGfile_m.unlock();
#endif
}
void ZeroTierOneService::threadMain()
throw()
{
ZT_SVCDBG("ZeroTierOneService::threadMain()\r\n");
restart_node:
try {
{
ZeroTier::Mutex::Lock _l(_lock);
delete _service;
_service = (ZeroTier::OneService *)0; // in case newInstance() fails
_service = ZeroTier::OneService::newInstance(
ZeroTier::OneService::platformDefaultHomePath().c_str(),
ZT1_DEFAULT_PORT);
}
switch(_service->run()) {
case ZeroTier::OneService::ONE_UNRECOVERABLE_ERROR: {
std::string err("ZeroTier One encountered an unrecoverable error: ");
err.append(_service->fatalErrorMessage());
err.append(" (restarting in 5 seconds)");
WriteEventLogEntry(const_cast <PSTR>(err.c_str()),EVENTLOG_ERROR_TYPE);
Sleep(5000);
} goto restart_node;
case ZeroTier::OneService::ONE_IDENTITY_COLLISION: {
std::string homeDir(ZeroTier::OneService::platformDefaultHomePath());
delete _service;
_service = (ZeroTier::OneService *)0;
std::string oldid;
ZeroTier::OSUtils::readFile((homeDir + ZT_PATH_SEPARATOR_S + "identity.secret").c_str(),oldid);
if (oldid.length()) {
ZeroTier::OSUtils::writeFile((homeDir + ZT_PATH_SEPARATOR_S + "identity.secret.saved_after_collision").c_str(),oldid);
ZeroTier::OSUtils::rm((homeDir + ZT_PATH_SEPARATOR_S + "identity.secret").c_str());
ZeroTier::OSUtils::rm((homeDir + ZT_PATH_SEPARATOR_S + "identity.public").c_str());
}
} goto restart_node;
default: // normal termination
break;
}
} catch ( ... ) {
// sanity check, shouldn't happen since Node::run() should catch all its own errors
// could also happen if we're out of memory though!
WriteEventLogEntry("unexpected exception (out of memory?) (trying again in 5 seconds)",EVENTLOG_ERROR_TYPE);
Sleep(5000);
goto restart_node;
}
{
ZeroTier::Mutex::Lock _l(_lock);
delete _service;
_service = (ZeroTier::OneService *)0;
}
}
void ZeroTierOneService::OnStart(DWORD dwArgc, LPSTR *lpszArgv)
{
ZT_SVCDBG("ZeroTierOneService::OnStart()\r\n");
try {
_thread = ZeroTier::Thread::start(this);
} catch ( ... ) {
throw (DWORD)ERROR_EXCEPTION_IN_SERVICE;
}
}
void ZeroTierOneService::OnStop()
{
ZT_SVCDBG("ZeroTierOneService::OnStop()\r\n");
_lock.lock();
ZeroTier::OneService *s = _service;
_lock.unlock();
if (s) {
s->terminate();
ZeroTier::Thread::join(_thread);
}
}
void ZeroTierOneService::OnShutdown()
{
ZT_SVCDBG("ZeroTierOneService::OnShutdown()\r\n");
// stop thread on system shutdown (if it hasn't happened already)
OnStop();
}
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