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110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#ifndef JSONRPCCONNECTION_H
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#define JSONRPCCONNECTION_H
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#include "remote/i2-remote.hpp"
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#include "remote/endpoint.hpp"
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#include "base/atomic.hpp"
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#include "base/io-engine.hpp"
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#include "base/tlsstream.hpp"
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#include "base/timer.hpp"
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#include "base/workqueue.hpp"
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#include <memory>
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#include <vector>
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#include <boost/asio/io_context.hpp>
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#include <boost/asio/io_context_strand.hpp>
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#include <boost/asio/spawn.hpp>
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namespace icinga
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{
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enum ClientRole
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{
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ClientInbound,
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ClientOutbound
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};
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enum ClientType
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{
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ClientJsonRpc,
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ClientHttp
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};
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class MessageOrigin;
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/**
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* An API client connection.
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*
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* @ingroup remote
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*/
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class JsonRpcConnection final : public Object
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{
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public:
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DECLARE_PTR_TYPEDEFS(JsonRpcConnection);
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JsonRpcConnection(const String& identity, bool authenticated, const AsioTlsStream::Ptr& stream, ConnectionRole role);
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void Start();
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double GetTimestamp() const;
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String GetIdentity() const;
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bool IsAuthenticated() const;
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Endpoint::Ptr GetEndpoint() const;
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AsioTlsStream::Ptr GetStream() const;
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ConnectionRole GetRole() const;
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void Disconnect();
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void SendMessage(const Dictionary::Ptr& request);
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void SendRawMessage(const String& request);
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static Value HeartbeatAPIHandler(const intrusive_ptr<MessageOrigin>& origin, const Dictionary::Ptr& params);
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static double GetWorkQueueRate();
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static void SendCertificateRequest(const JsonRpcConnection::Ptr& aclient, const intrusive_ptr<MessageOrigin>& origin, const String& path);
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private:
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enum class State
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{
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Active, // up and running (initial state, as JsonRpcConnection is constructed from an open connection)
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Disconnecting, // in the process of being shut down gracefully
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Disconnected, // completely shut down
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};
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String m_Identity;
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bool m_Authenticated;
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Endpoint::Ptr m_Endpoint;
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AsioTlsStream::Ptr m_Stream;
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ConnectionRole m_Role;
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double m_Timestamp;
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double m_Seen;
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boost::asio::io_context::strand m_IoStrand;
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std::vector<String> m_OutgoingMessagesQueue;
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AsioConditionVariable m_OutgoingMessagesQueued;
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AsioConditionVariable m_ReadLoopDone;
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Atomic<State> m_State;
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//boost::asio::deadline_timer m_CheckLivenessTimer, m_HeartbeatTimer;
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JsonRpcConnection(const String& identity, bool authenticated, const AsioTlsStream::Ptr& stream, ConnectionRole role, boost::asio::io_context& io);
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void HandleIncomingMessages(boost::asio::yield_context yc);
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void WriteOutgoingMessages(boost::asio::yield_context yc);
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void HandleAndWriteHeartbeats(boost::asio::yield_context yc);
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void CheckLiveness(boost::asio::yield_context yc);
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bool ProcessMessage();
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void MessageHandler(const String& jsonString);
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void CertificateRequestResponseHandler(const Dictionary::Ptr& message);
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void SendMessageInternal(const Dictionary::Ptr& request);
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void ForceDisconnectInternal(bool clean = false);
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void Cleanup();
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};
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}
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#endif /* JSONRPCCONNECTION_H */
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