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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#ifndef JSONRPCCONNECTION_H
#define JSONRPCCONNECTION_H
#include "remote/i2-remote.hpp"
#include "remote/endpoint.hpp"
#include "base/io-engine.hpp"
#include "base/tlsstream.hpp"
#include "base/timer.hpp"
#include "base/workqueue.hpp"
#include <memory>
#include <vector>
#include <boost/asio/io_context.hpp>
#include <boost/asio/io_context_strand.hpp>
#include <boost/asio/spawn.hpp>
namespace icinga
{
enum ClientRole
{
ClientInbound,
ClientOutbound
};
enum ClientType
{
ClientJsonRpc,
ClientHttp
};
class MessageOrigin;
/**
* An API client connection.
*
* @ingroup remote
*/
class JsonRpcConnection final : public Object
{
public:
DECLARE_PTR_TYPEDEFS(JsonRpcConnection);
JsonRpcConnection(const String& identity, bool authenticated, const Shared<AsioTlsStream>::Ptr& stream, ConnectionRole role);
void Start();
double GetTimestamp() const;
String GetIdentity() const;
bool IsAuthenticated() const;
Endpoint::Ptr GetEndpoint() const;
Shared<AsioTlsStream>::Ptr GetStream() const;
ConnectionRole GetRole() const;
void Disconnect();
void SendMessage(const Dictionary::Ptr& request);
void SendRawMessage(const String& request);
static Value HeartbeatAPIHandler(const intrusive_ptr<MessageOrigin>& origin, const Dictionary::Ptr& params);
static double GetWorkQueueRate();
static void SendCertificateRequest(const JsonRpcConnection::Ptr& aclient, const intrusive_ptr<MessageOrigin>& origin, const String& path);
private:
String m_Identity;
bool m_Authenticated;
Endpoint::Ptr m_Endpoint;
Shared<AsioTlsStream>::Ptr m_Stream;
ConnectionRole m_Role;
double m_Timestamp;
double m_Seen;
double m_NextHeartbeat;
boost::asio::io_context::strand m_IoStrand;
std::vector<String> m_OutgoingMessagesQueue;
AsioConditionVariable m_OutgoingMessagesQueued;
AsioConditionVariable m_WriterDone;
bool m_ShuttingDown;
boost::asio::deadline_timer m_CheckLivenessTimer, m_HeartbeatTimer;
JsonRpcConnection(const String& identity, bool authenticated, const Shared<AsioTlsStream>::Ptr& stream, ConnectionRole role, boost::asio::io_context& io);
void HandleIncomingMessages(boost::asio::yield_context yc);
void WriteOutgoingMessages(boost::asio::yield_context yc);
void HandleAndWriteHeartbeats(boost::asio::yield_context yc);
void CheckLiveness(boost::asio::yield_context yc);
bool ProcessMessage();
void MessageHandler(const String& jsonString);
void CertificateRequestResponseHandler(const Dictionary::Ptr& message);
void SendMessageInternal(const Dictionary::Ptr& request);
};
}
#endif /* JSONRPCCONNECTION_H */
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