209 lines
4.8 KiB
C++
209 lines
4.8 KiB
C++
/*
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* This file is a part of Winix
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2011-2014, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "groupinfo.h"
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#include "core/log.h"
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#include "core/system.h"
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namespace Winix
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{
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namespace GroupItem
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{
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GroupInfo::GroupInfo()
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{
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mount_par_group_conf = -1;
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}
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void GroupInfo::SetSystem(System * psystem)
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{
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system = psystem;
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}
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void GroupInfo::SetConfig(Config * pconfig)
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{
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config = pconfig;
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}
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Groups * GroupInfo::FindGroups(long dir_id)
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{
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GroupsWrap::iterator i = groups_wrap.find(dir_id);
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if( i == groups_wrap.end() )
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return 0;
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return &(i->second.groups);
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}
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bool GroupInfo::ParseGroups(const std::wstring & str, Groups & groups)
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{
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groups.Clear();
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PT::Space & space = *groups.GetSpace();
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conf_parser.SetSpace(space);
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if( conf_parser.ParseString(str) == PT::SpaceParser::ok )
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{
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groups.Reindex();
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}
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else
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{
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slog << logerror << "Syntax error in line: " << conf_parser.line << logend;
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log << log1 << "Syntax error in line: " << conf_parser.line << logend;
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groups.Clear();
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}
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return conf_parser.status == PT::SpaceParser::ok;
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}
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void GroupInfo::MarkAllGroupsToDelete()
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{
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GroupsWrap::iterator i = groups_wrap.begin();
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for( ; i != groups_wrap.end() ; ++i)
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i->second.to_delete = true;
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}
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void GroupInfo::DeleteAllMarkedGroups()
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{
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GroupsWrap::iterator inext;
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GroupsWrap::iterator i = groups_wrap.begin();
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while( i != groups_wrap.end() )
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{
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inext = i;
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++inext;
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if( i->second.to_delete )
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{
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log << log3 << "GroupItem: deleting group for dir id: " << i->first << logend;
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groups_wrap.erase(i);
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}
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i = inext;
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}
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}
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bool GroupInfo::GetConfContent(const std::wstring & path)
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{
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int status = system->FollowAllLinks(path, config_dir_tab, config_file, false, false, false);
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if( status != 1 )
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{
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log << log1 << "GroupItem: problem with reading a config file: " << path << ", status: " << status << logend;
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return false;
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}
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return true;
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}
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// if skip_existing_configs is true then only new config files will be parsed
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void GroupInfo::ReadGroupsConf(Mounts & mounts, bool skip_existing_configs)
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{
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Mounts::MountTab::const_iterator i;
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const Mounts::MountTab * mtab = mounts.GetMountTab();
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// loop through all mount points
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for(i=mtab->begin() ; i!=mtab->end() ; ++i)
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{
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const Mount & mount = i->second;
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if( mount.param[mount_par_group_conf].defined &&
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mount.param[mount_par_group_conf].arg.size() == 1 )
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{
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const std::wstring & file_name = mount.param[mount_par_group_conf].arg[0];
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GroupsWrap::iterator c = groups_wrap.find(mount.dir_id);
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bool exists = (c != groups_wrap.end() && c->second.file_name == file_name);
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if( exists )
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c->second.to_delete = false;
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if( !(skip_existing_configs && exists) )
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{
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if( GetConfContent(file_name) )
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{
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log << log3 << "GroupItem: parsing conf file: " << config_file.url << logend;
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groups_wrap[mount.dir_id].file_name = file_name;
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groups_wrap[mount.dir_id].groups.set_dependency(this);
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if( !ParseGroups(config_file.content, groups_wrap[mount.dir_id].groups) )
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groups_wrap[mount.dir_id].to_delete = true;
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}
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else
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{
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if( exists )
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c->second.to_delete = true;
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}
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}
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}
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}
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}
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// if skip_existing_configs is true then only new config files will be parsed
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void GroupInfo::ReadGroupsConfigs(bool skip_existing_configs)
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{
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MarkAllGroupsToDelete();
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ReadGroupsConf(system->mounts, skip_existing_configs);
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DeleteAllMarkedGroups();
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}
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}
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} // namespace Winix
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