granicus.if.org Git - icinga2/blob - lib/remote/endpoint.cpp

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org)    *
   4  *                                                                            *
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   6  * modify it under the terms of the GNU General Public License                *
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   8  * of the License, or (at your option) any later version.                     *
   9  *                                                                            *
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  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
  13  * GNU General Public License for more details.                               *
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
  18  ******************************************************************************/
  19
  20 #include "remote/endpoint.hpp"
  21 #include "remote/apilistener.hpp"
  22 #include "remote/apiclient.hpp"
  23 #include "remote/zone.hpp"
  24 #include "base/dynamictype.hpp"
  25 #include "base/utility.hpp"
  26 #include "base/exception.hpp"
  27 #include "base/convert.hpp"
  28 #include <boost/foreach.hpp>
  29
  30 using namespace icinga;
  31
  32 REGISTER_TYPE(Endpoint);
  33
  34 boost::signals2::signal<void(const Endpoint::Ptr&, const ApiClient::Ptr&)> Endpoint::OnConnected;
  35 boost::signals2::signal<void(const Endpoint::Ptr&, const ApiClient::Ptr&)> Endpoint::OnDisconnected;
  36
  37 void Endpoint::OnAllConfigLoaded(void)
  38 {
  39         DynamicObject::OnConfigLoaded();
  40
  41         BOOST_FOREACH(const Zone::Ptr& zone, DynamicType::GetObjectsByType<Zone>()) {
  42                 const std::set<Endpoint::Ptr> members = zone->GetEndpoints();
  43
  44                 if (members.empty())
  45                         continue;
  46
  47                 if (members.find(this) != members.end()) {
  48                         if (m_Zone)
  49                                 BOOST_THROW_EXCEPTION(std::runtime_error("Endpoint '" + GetName() + "' is in more than one zone."));
  50
  51                         m_Zone = zone;
  52                 }
  53         }
  54
  55         if (!m_Zone)
  56                 BOOST_THROW_EXCEPTION(std::runtime_error("Endpoint '" + GetName() + "' does not belong to a zone."));
  57 }
  58
  59 void Endpoint::AddClient(const ApiClient::Ptr& client)
  60 {
  61         bool was_master = ApiListener::GetInstance()->IsMaster();
  62
  63         {
  64                 boost::mutex::scoped_lock lock(m_ClientsLock);
  65                 m_Clients.insert(client);
  66         }
  67
  68         bool is_master = ApiListener::GetInstance()->IsMaster();
  69
  70         if (was_master != is_master)
  71                 ApiListener::OnMasterChanged(is_master);
  72
  73         OnConnected(this, client);
  74 }
  75
  76 void Endpoint::RemoveClient(const ApiClient::Ptr& client)
  77 {
  78         bool was_master = ApiListener::GetInstance()->IsMaster();
  79
  80         {
  81                 boost::mutex::scoped_lock lock(m_ClientsLock);
  82                 m_Clients.erase(client);
  83
  84                 Log(LogWarning, "ApiListener")
  85                     << "Removing API client for endpoint '" << GetName() << "'. " << m_Clients.size() << " API clients left.";
  86         }
  87
  88         bool is_master = ApiListener::GetInstance()->IsMaster();
  89
  90         if (was_master != is_master)
  91                 ApiListener::OnMasterChanged(is_master);
  92
  93         OnDisconnected(this, client);
  94 }
  95
  96 std::set<ApiClient::Ptr> Endpoint::GetClients(void) const
  97 {
  98         boost::mutex::scoped_lock lock(m_ClientsLock);
  99         return m_Clients;
 100 }
 101
 102 Zone::Ptr Endpoint::GetZone(void) const
 103 {
 104         return m_Zone;
 105 }
 106
 107 bool Endpoint::IsConnected(void) const
 108 {
 109         boost::mutex::scoped_lock lock(m_ClientsLock);
 110         return !m_Clients.empty();
 111 }
 112
 113 Endpoint::Ptr Endpoint::GetLocalEndpoint(void)
 114 {
 115         ApiListener::Ptr listener = ApiListener::GetInstance();
 116
 117         if (!listener)
 118                 return Endpoint::Ptr();
 119
 120         return Endpoint::GetByName(listener->GetIdentity());
 121 }