granicus.if.org Git - icinga2/blob - lib/icinga/host.h

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org)    *
   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 #ifndef HOST_H
  21 #define HOST_H
  22
  23 #include "icinga/i2-icinga.h"
  24 #include "icinga/host.th"
  25 #include "icinga/macroresolver.h"
  26 #include "icinga/checkresult.h"
  27 #include "config/applyrule.h"
  28 #include "base/array.h"
  29 #include "base/dictionary.h"
  30
  31 namespace icinga
  32 {
  33
  34 class Service;
  35 class Dependency;
  36
  37 /**
  38  * The state of a host.
  39  *
  40  * @ingroup icinga
  41  */
  42 enum HostState
  43 {
  44         HostUp = 0,
  45         HostDown = 1,
  46         HostUnreachable = 2
  47 };
  48
  49 enum DependencyType
  50 {
  51         DependencyState,
  52         DependencyCheckExecution,
  53         DependencyNotification
  54 };
  55
  56 /**
  57  * An Icinga host.
  58  *
  59  * @ingroup icinga
  60  */
  61 class I2_ICINGA_API Host : public ObjectImpl<Host>, public MacroResolver
  62 {
  63 public:
  64         DECLARE_PTR_TYPEDEFS(Host);
  65         DECLARE_TYPENAME(Host);
  66
  67         shared_ptr<Service> GetCheckService(void) const;
  68
  69         std::set<Host::Ptr> GetParentHosts(void) const;
  70         std::set<Host::Ptr> GetChildHosts(void) const;
  71         std::set<shared_ptr<Service> > GetParentServices(void) const;
  72         std::set<shared_ptr<Service> > GetChildServices(void) const;
  73
  74         bool IsReachable(DependencyType dt = DependencyState, shared_ptr<Dependency> *failedDependency = NULL) const;
  75
  76         shared_ptr<Service> GetServiceByShortName(const Value& name) const;
  77
  78         std::set<shared_ptr<Service> > GetServices(void) const;
  79         void AddService(const shared_ptr<Service>& service);
  80         void RemoveService(const shared_ptr<Service>& service);
  81
  82         int GetTotalServices(void) const;
  83
  84         static HostState CalculateState(ServiceState state, bool reachable);
  85
  86         HostState GetState(void) const;
  87         StateType GetStateType(void) const;
  88         HostState GetLastState(void) const;
  89         HostState GetLastHardState(void) const;
  90         StateType GetLastStateType(void) const;
  91         double GetLastStateChange(void) const;
  92         double GetLastHardStateChange(void) const;
  93         double GetLastStateUp(void) const;
  94         double GetLastStateDown(void) const;
  95         double GetLastStateUnreachable(void) const;
  96
  97         static HostState StateFromString(const String& state);
  98         static String StateToString(HostState state);
  99
 100         static StateType StateTypeFromString(const String& state);
 101         static String StateTypeToString(StateType state);
 102
 103         virtual bool ResolveMacro(const String& macro, const CheckResult::Ptr& cr, String *result) const;
 104
 105         static void RegisterApplyRuleHandler(void);
 106         static void EvaluateApplyRules(const std::vector<ApplyRule>& rules);
 107
 108 protected:
 109         virtual void Stop(void);
 110
 111         virtual void OnConfigLoaded(void);
 112
 113 private:
 114         mutable boost::mutex m_ServicesMutex;
 115         std::map<String, shared_ptr<Service> > m_Services;
 116
 117         static void RefreshServicesCache(void);
 118 };
 119
 120 }
 121
 122 #endif /* HOST_H */