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/*
* UserCache.cpp
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* 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/>.
*/
#include "UserCache.h"
#include "Application.h"
namespace Mad {
namespace Common {
boost::shared_ptr<const std::map<unsigned long, UserInfo> > UserCache::getUserList() throw(Core::Exception) {
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(users) {
application->log(Core::LoggerBase::USER, Core::LoggerBase::DEBUG, "Using cached user list");
return users;
}
else if(userException) {
application->log(Core::LoggerBase::USER, Core::LoggerBase::DEBUG, "Error cached");
throw userException;
}
try {
users = backend->getUserList();
userNames.reset(new std::map<std::string, unsigned long>);
for(std::map<unsigned long, UserInfo>::const_iterator user = users->begin(); user != users->end(); ++user)
userNames->insert(std::make_pair(user->second.getUsername(), user->first));
return users;
}
catch(Core::Exception e) {
userException = e;
throw userException;
}
}
boost::shared_ptr<const UserInfo> UserCache::getUserInfo(unsigned long uid) throw(Core::Exception) {
getUserList();
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(!users)
throw userException;
std::map<unsigned long, UserInfo>::const_iterator user = users->find(uid);
if(user == users->end())
throw Core::Exception(Core::Exception::NOT_FOUND);
return boost::shared_ptr<UserInfo>(new UserInfo(user->second));
}
boost::shared_ptr<const UserInfo> UserCache::getUserInfoByName(const std::string &name) throw(Core::Exception) {
getUserList();
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(!users)
throw userException;
std::map<std::string, unsigned long>::const_iterator uid = userNames->find(name);
if(uid == userNames->end())
throw Core::Exception(Core::Exception::NOT_FOUND);
std::map<unsigned long, UserInfo>::const_iterator user = users->find(uid->second);
return boost::shared_ptr<UserInfo>(new UserInfo(user->second));
}
boost::shared_ptr<const std::set<unsigned long> > UserCache::getUserGroupList(unsigned long uid) throw(Core::Exception) {
getFullUserGroupList();
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(!userGroups)
throw userGroupException;
std::pair<std::multimap<unsigned long, unsigned long>::const_iterator, std::multimap<unsigned long, unsigned long>::const_iterator> range = userGroups->equal_range(uid);
boost::shared_ptr<std::set<unsigned long> > groups(new std::set<unsigned long>);
for(std::multimap<unsigned long, unsigned long>::const_iterator group = range.first; group != range.second; ++group)
groups->insert(group->second);
return groups;
}
boost::shared_ptr<const std::map<unsigned long, GroupInfo> > UserCache::getGroupList() throw(Core::Exception) {
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(groups) {
application->log(Core::LoggerBase::USER, Core::LoggerBase::DEBUG, "Using cached group list");
return groups;
}
else if(groupException) {
application->log(Core::LoggerBase::USER, Core::LoggerBase::DEBUG, "Error cached");
throw groupException;
}
try {
groups = backend->getGroupList();
groupNames.reset(new std::map<std::string, unsigned long>);
for(std::map<unsigned long, GroupInfo>::const_iterator group = groups->begin(); group != groups->end(); ++group)
groupNames->insert(std::make_pair(group->second.getName(), group->first));
return groups;
}
catch(Core::Exception e) {
groupException = e;
throw groupException;
}
}
boost::shared_ptr<const GroupInfo> UserCache::getGroupInfo(unsigned long gid) throw(Core::Exception) {
getGroupList();
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(!groups)
throw groupException;
std::map<unsigned long, GroupInfo>::const_iterator group = groups->find(gid);
if(group == groups->end())
throw Core::Exception(Core::Exception::NOT_FOUND);
return boost::shared_ptr<GroupInfo>(new GroupInfo(group->second));
}
boost::shared_ptr<const GroupInfo> UserCache::getGroupInfoByName(const std::string &name) throw(Core::Exception) {
getGroupList();
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(!groups)
throw groupException;
std::map<std::string, unsigned long>::const_iterator gid = groupNames->find(name);
if(gid == groupNames->end())
throw Core::Exception(Core::Exception::NOT_FOUND);
std::map<unsigned long, GroupInfo>::const_iterator group = groups->find(gid->second);
return boost::shared_ptr<GroupInfo>(new GroupInfo(group->second));
}
boost::shared_ptr<const std::set<unsigned long> > UserCache::getGroupUserList(unsigned long gid) throw(Core::Exception) {
getFullUserGroupList();
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(!userGroups)
throw userGroupException;
std::pair<std::multimap<unsigned long, unsigned long>::iterator, std::multimap<unsigned long, unsigned long>::iterator> range = groupUsers->equal_range(gid);
boost::shared_ptr<std::set<unsigned long> > users(new std::set<unsigned long>);
for(std::multimap<unsigned long, unsigned long>::iterator user = range.first; user != range.second; ++user)
users->insert(user->second);
return users;
}
boost::shared_ptr<const std::multimap<unsigned long, unsigned long> > UserCache::getFullUserGroupList() throw(Core::Exception) {
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(userGroups) {
application->log(Core::LoggerBase::USER, Core::LoggerBase::DEBUG, "Using cached user-group table");
return userGroups;
}
else if(userGroupException) {
application->log(Core::LoggerBase::USER, Core::LoggerBase::DEBUG, "Error cached");
throw userGroupException;
}
try {
userGroups = backend->getFullUserGroupList();
groupUsers.reset(new std::multimap<unsigned long, unsigned long>);
for(std::multimap<unsigned long, unsigned long>::const_iterator usergroup = userGroups->begin(); usergroup != userGroups->end(); ++usergroup)
groupUsers->insert(std::make_pair(usergroup->second, usergroup->first));
return userGroups;
}
catch(Core::Exception e) {
userGroupException = e;
throw userGroupException;
}
}
}
}
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