icinga2/icinga/endpointmanager.h

134 lines
4.1 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* 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 2 *
* 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, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef ENDPOINTMANAGER_H
#define ENDPOINTMANAGER_H
namespace icinga
{
/**
* Event arguments for the "new endpoint registered" event.
*
* @ingroup icinga
*/
struct I2_ICINGA_API NewEndpointEventArgs : public EventArgs
{
icinga::Endpoint::Ptr Endpoint; /**< The new endpoint. */
};
struct NewResponseEventArgs;
/**
* Information about a pending API request.
*
* @ingroup icinga
*/
struct I2_ICINGA_API PendingRequest
{
time_t Timeout;
RequestMessage Request;
function<int(const NewResponseEventArgs&)> Callback;
bool HasTimedOut(void) const
{
return time(NULL) > Timeout;
}
};
/**
* Event arguments for the "new response" event.
*
* @ingroup icinga
*/
struct I2_ICINGA_API NewResponseEventArgs : public EventArgs
{
Endpoint::Ptr Sender;
RequestMessage Request;
ResponseMessage Response;
bool TimedOut;
};
/**
* Forwards messages between endpoints.
*
* @ingroup icinga
*/
class I2_ICINGA_API EndpointManager : public Object
{
public:
typedef shared_ptr<EndpointManager> Ptr;
typedef weak_ptr<EndpointManager> WeakPtr;
EndpointManager(void)
: m_NextMessageID(0)
{ }
void SetIdentity(string identity);
string GetIdentity(void) const;
void SetSSLContext(shared_ptr<SSL_CTX> sslContext);
shared_ptr<SSL_CTX> GetSSLContext(void) const;
void AddListener(string service);
void AddConnection(string node, string service);
void RegisterEndpoint(Endpoint::Ptr endpoint);
void UnregisterEndpoint(Endpoint::Ptr endpoint);
void SendUnicastMessage(Endpoint::Ptr sender, Endpoint::Ptr recipient, const MessagePart& message);
void SendAnycastMessage(Endpoint::Ptr sender, const RequestMessage& message);
void SendMulticastMessage(Endpoint::Ptr sender, const RequestMessage& message);
void SendAPIMessage(Endpoint::Ptr sender, RequestMessage& message,
function<int(const NewResponseEventArgs&)> callback, time_t timeout = 10);
void ProcessResponseMessage(const Endpoint::Ptr& sender, const ResponseMessage& message);
void ForEachEndpoint(function<int (const NewEndpointEventArgs&)> callback);
Endpoint::Ptr GetEndpointByIdentity(string identity) const;
Observable<NewEndpointEventArgs> OnNewEndpoint;
private:
string m_Identity;
shared_ptr<SSL_CTX> m_SSLContext;
vector<JsonRpcServer::Ptr> m_Servers;
vector<Endpoint::Ptr> m_Endpoints;
long m_NextMessageID;
map<string, PendingRequest> m_Requests;
Timer::Ptr m_RequestTimer;
void RegisterServer(JsonRpcServer::Ptr server);
void UnregisterServer(JsonRpcServer::Ptr server);
static bool RequestTimeoutLessComparer(const pair<string, PendingRequest>& a, const pair<string, PendingRequest>& b);
void RescheduleRequestTimer(void);
int RequestTimerHandler(const TimerEventArgs& ea);
int NewClientHandler(const NewClientEventArgs& ncea);
};
}
#endif /* ENDPOINTMANAGER_H */