granicus.if.org Git - icinga2/blob - lib/livestatus/table.cpp

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/)  *
   4  *                                                                            *
   5  * This program is free software; you can redistribute it and/or              *
   6  * modify it under the terms of the GNU General Public License                *
   7  * as published by the Free Software Foundation; either version 2             *
   8  * of the License, or (at your option) any later version.                     *
   9  *                                                                            *
  10  * This program is distributed in the hope that it will be useful,            *
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
  13  * GNU General Public License for more details.                               *
  14  *                                                                            *
  15  * You should have received a copy of the GNU General Public License          *
  16  * along with this program; if not, write to the Free Software Foundation     *
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
  18  ******************************************************************************/
  19
  20 #include "livestatus/table.hpp"
  21 #include "livestatus/statustable.hpp"
  22 #include "livestatus/contactgroupstable.hpp"
  23 #include "livestatus/contactstable.hpp"
  24 #include "livestatus/hostgroupstable.hpp"
  25 #include "livestatus/hoststable.hpp"
  26 #include "livestatus/servicegroupstable.hpp"
  27 #include "livestatus/servicestable.hpp"
  28 #include "livestatus/commandstable.hpp"
  29 #include "livestatus/commentstable.hpp"
  30 #include "livestatus/downtimestable.hpp"
  31 #include "livestatus/endpointstable.hpp"
  32 #include "livestatus/zonestable.hpp"
  33 #include "livestatus/timeperiodstable.hpp"
  34 #include "livestatus/logtable.hpp"
  35 #include "livestatus/statehisttable.hpp"
  36 #include "livestatus/filter.hpp"
  37 #include "base/array.hpp"
  38 #include "base/dictionary.hpp"
  39 #include <boost/algorithm/string/case_conv.hpp>
  40 #include <boost/tuple/tuple.hpp>
  41 #include <boost/bind.hpp>
  42
  43 using namespace icinga;
  44
  45 Table::Table(LivestatusGroupByType type)
  46     : m_GroupByType(type), m_GroupByObject(Empty)
  47 { }
  48
  49 Table::Ptr Table::GetByName(const String& name, const String& compat_log_path, const unsigned long& from, const unsigned long& until)
  50 {
  51         if (name == "status")
  52                 return new StatusTable();
  53         else if (name == "contactgroups")
  54                 return new ContactGroupsTable();
  55         else if (name == "contacts")
  56                 return new ContactsTable();
  57         else if (name == "hostgroups")
  58                 return new HostGroupsTable();
  59         else if (name == "hosts")
  60                 return new HostsTable();
  61         else if (name == "hostsbygroup")
  62                 return new HostsTable(LivestatusGroupByHostGroup);
  63         else if (name == "servicegroups")
  64                 return new ServiceGroupsTable();
  65         else if (name == "services")
  66                 return new ServicesTable();
  67         else if (name == "servicesbygroup")
  68                 return new ServicesTable(LivestatusGroupByServiceGroup);
  69         else if (name == "servicesbyhostgroup")
  70                 return new ServicesTable(LivestatusGroupByHostGroup);
  71         else if (name == "commands")
  72                 return new CommandsTable();
  73         else if (name == "comments")
  74                 return new CommentsTable();
  75         else if (name == "downtimes")
  76                 return new DowntimesTable();
  77         else if (name == "timeperiods")
  78                 return new TimePeriodsTable();
  79         else if (name == "log")
  80                 return new LogTable(compat_log_path, from, until);
  81         else if (name == "statehist")
  82                 return new StateHistTable(compat_log_path, from, until);
  83         else if (name == "endpoints")
  84                 return new EndpointsTable();
  85         else if (name == "zones")
  86                 return new ZonesTable();
  87
  88         return Table::Ptr();
  89 }
  90
  91 void Table::AddColumn(const String& name, const Column& column)
  92 {
  93         std::pair<String, Column> item = std::make_pair(name, column);
  94
  95         auto ret = m_Columns.insert(item);
  96
  97         if (!ret.second)
  98                 ret.first->second = column;
  99 }
 100
 101 Column Table::GetColumn(const String& name) const
 102 {
 103         String dname = name;
 104         String prefix = GetPrefix() + "_";
 105
 106         if (dname.Find(prefix) == 0)
 107                 dname = dname.SubStr(prefix.GetLength());
 108
 109         auto it = m_Columns.find(dname);
 110
 111         if (it == m_Columns.end())
 112                 BOOST_THROW_EXCEPTION(std::invalid_argument("Column '" + dname + "' does not exist in table '" + GetName() + "'."));
 113
 114         return it->second;
 115 }
 116
 117 std::vector<String> Table::GetColumnNames(void) const
 118 {
 119         std::vector<String> names;
 120
 121         for (const auto& kv : m_Columns) {
 122                 names.push_back(kv.first);
 123         }
 124
 125         return names;
 126 }
 127
 128 std::vector<LivestatusRowValue> Table::FilterRows(const Filter::Ptr& filter, int limit)
 129 {
 130         std::vector<LivestatusRowValue> rs;
 131
 132         FetchRows(boost::bind(&Table::FilteredAddRow, this, boost::ref(rs), filter, limit, _1, _2, _3));
 133
 134         return rs;
 135 }
 136
 137 bool Table::FilteredAddRow(std::vector<LivestatusRowValue>& rs, const Filter::Ptr& filter, int limit, const Value& row, LivestatusGroupByType groupByType, const Object::Ptr& groupByObject)
 138 {
 139         if (limit != -1 && static_cast<int>(rs.size()) == limit)
 140                 return false;
 141
 142         if (!filter || filter->Apply(this, row)) {
 143                 LivestatusRowValue rval;
 144                 rval.Row = row;
 145                 rval.GroupByType = groupByType;
 146                 rval.GroupByObject = groupByObject;
 147
 148                 rs.push_back(rval);
 149
 150         }
 151
 152         return true;
 153 }
 154
 155 Value Table::ZeroAccessor(const Value&)
 156 {
 157         return 0;
 158 }
 159
 160 Value Table::OneAccessor(const Value&)
 161 {
 162         return 1;
 163 }
 164
 165 Value Table::EmptyStringAccessor(const Value&)
 166 {
 167         return "";
 168 }
 169
 170 Value Table::EmptyArrayAccessor(const Value&)
 171 {
 172         return new Array();
 173 }
 174
 175 Value Table::EmptyDictionaryAccessor(const Value&)
 176 {
 177         return new Dictionary();
 178 }
 179
 180 LivestatusGroupByType Table::GetGroupByType(void) const
 181 {
 182         return m_GroupByType;
 183 }