libreoffice-online/loolwsd/Unit.cpp

164 lines
3.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <dlfcn.h>
#include <ftw.h>
#include <cassert>
#include "Util.hpp"
#include "Unit.hpp"
#include <Poco/Thread.h>
#include <Poco/Util/Application.h>
UnitBase *UnitBase::_global = nullptr;
static Poco::Thread TimeoutThread("unit timeout");
UnitBase *UnitBase::linkAndCreateUnit(UnitType type, const std::string &unitLibPath)
{
void *dlHandle = dlopen(unitLibPath.c_str(), RTLD_GLOBAL|RTLD_NOW);
if (!dlHandle)
{
Log::error("Failed to load " + unitLibPath + ": " + std::string(dlerror()));
return NULL;
}
const char *symbol = NULL;
switch (type)
{
case TYPE_WSD:
symbol = "unit_create_wsd";
break;
case TYPE_KIT:
symbol = "unit_create_kit";
break;
}
CreateUnitHooksFunction* createHooks;
createHooks = reinterpret_cast<CreateUnitHooksFunction *>(dlsym(dlHandle, symbol));
if (!createHooks)
{
Log::error("No " + std::string(symbol) + " symbol in " + unitLibPath);
return NULL;
}
UnitBase *pHooks = createHooks();
if (pHooks)
pHooks->setHandle(dlHandle);
return pHooks;
}
bool UnitBase::init(UnitType type, const std::string &unitLibPath)
{
assert(!_global);
if (!unitLibPath.empty())
{
_global = linkAndCreateUnit(type, unitLibPath);
if (_global)
{
TimeoutThread.startFunc([](){
TimeoutThread.trySleep(_global->_timeoutMilliSeconds);
if (!_global->_timeoutShutdown)
{
Log::error("Timeout");
_global->timeout();
}
});
}
}
else
{
switch (type)
{
case TYPE_WSD:
_global = new UnitWSD();
break;
case TYPE_KIT:
_global = new UnitKit();
break;
default:
assert(false);
break;
}
}
if (_global)
_global->_type = type;
return _global != NULL;
}
void UnitBase::setTimeout(int timeoutMilliSeconds)
{
assert(!TimeoutThread.isRunning());
_timeoutMilliSeconds = timeoutMilliSeconds;
}
UnitBase::UnitBase()
: _dlHandle(NULL),
_setRetValue(false),
_retValue(0),
_timeoutMilliSeconds(30 * 1000),
_timeoutShutdown(false)
{
}
UnitBase::~UnitBase()
{
// FIXME: we should really clean-up properly.
// if (_dlHandle)
// dlclose(_dlHandle);
_dlHandle = NULL;
}
UnitWSD::UnitWSD()
: _hasKitHooks(false)
{
}
UnitWSD::~UnitWSD()
{
}
UnitKit::UnitKit()
{
}
UnitKit::~UnitKit()
{
}
void UnitBase::exitTest(TestResult result)
{
_setRetValue = true;
_retValue = result == TestResult::TEST_OK ?
Poco::Util::Application::EXIT_OK :
Poco::Util::Application::EXIT_SOFTWARE;
TerminationFlag = true;
}
void UnitBase::timeout()
{
exitTest(TestResult::TEST_TIMED_OUT);
}
void UnitBase::returnValue(int &retValue)
{
if (_setRetValue)
retValue = _retValue;
_timeoutShutdown = true;
TimeoutThread.wakeUp();
TimeoutThread.join();
delete _global;
_global = nullptr;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */