mirror of https://github.com/Icinga/icinga2.git
141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (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, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "icinga/usergroup.h"
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#include "base/dynamictype.h"
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#include "base/objectlock.h"
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#include "base/logger_fwd.h"
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#include "base/timer.h"
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#include <boost/smart_ptr/make_shared.hpp>
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#include <boost/foreach.hpp>
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using namespace icinga;
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static boost::mutex l_Mutex;
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static std::map<String, std::vector<User::WeakPtr> > l_MembersCache;
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static bool l_MembersCacheNeedsUpdate = false;
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static Timer::Ptr l_MembersCacheTimer;
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REGISTER_TYPE(UserGroup);
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UserGroup::UserGroup(const Dictionary::Ptr& serializedUpdate)
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: DynamicObject(serializedUpdate)
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{
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RegisterAttribute("display_name", Attribute_Config, &m_DisplayName);
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}
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UserGroup::~UserGroup(void)
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{
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InvalidateMembersCache();
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}
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void UserGroup::OnRegistrationCompleted(void)
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{
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ASSERT(!OwnsLock());
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InvalidateMembersCache();
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}
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String UserGroup::GetDisplayName(void) const
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{
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if (!m_DisplayName.IsEmpty())
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return m_DisplayName;
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else
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return GetName();
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}
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UserGroup::Ptr UserGroup::GetByName(const String& name)
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{
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DynamicObject::Ptr configObject = DynamicObject::GetObject("UserGroup", name);
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if (!configObject)
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BOOST_THROW_EXCEPTION(std::invalid_argument("UserGroup '" + name + "' does not exist."));
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return dynamic_pointer_cast<UserGroup>(configObject);
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}
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std::set<User::Ptr> UserGroup::GetMembers(void) const
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{
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std::set<User::Ptr> users;
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{
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boost::mutex::scoped_lock lock(l_Mutex);
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BOOST_FOREACH(const User::WeakPtr& wuser, l_MembersCache[GetName()]) {
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User::Ptr user = wuser.lock();
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if (!user)
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continue;
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users.insert(user);
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}
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}
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return users;
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}
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void UserGroup::InvalidateMembersCache(void)
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{
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boost::mutex::scoped_lock lock(l_Mutex);
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if (l_MembersCacheNeedsUpdate)
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return; /* Someone else has already requested a refresh. */
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if (!l_MembersCacheTimer) {
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l_MembersCacheTimer = boost::make_shared<Timer>();
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l_MembersCacheTimer->SetInterval(0.5);
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l_MembersCacheTimer->OnTimerExpired.connect(boost::bind(&UserGroup::RefreshMembersCache));
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l_MembersCacheTimer->Start();
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}
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l_MembersCacheNeedsUpdate = true;
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}
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void UserGroup::RefreshMembersCache(void)
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{
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{
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boost::mutex::scoped_lock lock(l_Mutex);
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if (!l_MembersCacheNeedsUpdate)
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return;
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l_MembersCacheNeedsUpdate = false;
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}
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Log(LogDebug, "icinga", "Updating UserGroup members cache.");
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std::map<String, std::vector<User::WeakPtr> > newMembersCache;
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BOOST_FOREACH(const DynamicObject::Ptr& object, DynamicType::GetObjects("User")) {
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const User::Ptr& user = static_pointer_cast<User>(object);
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Array::Ptr groups = user->GetGroups();
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if (groups) {
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ObjectLock mlock(groups);
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BOOST_FOREACH(const Value& group, groups) {
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newMembersCache[group].push_back(user);
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}
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}
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}
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boost::mutex::scoped_lock lock(l_Mutex);
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l_MembersCache.swap(newMembersCache);
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}
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