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diff --git a/src/messages/MMonHealth.h b/src/messages/MMonHealth.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2012 Inktank, Inc.
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+#ifndef CEPH_MMON_HEALTH_H
+#define CEPH_MMON_HEALTH_H
+
+#include "msg/Message.h"
+#include "messages/MMonQuorumService.h"
+#include "mon/mon_types.h"
+
+class MMonHealth final : public MMonQuorumService {
+public:
+ static constexpr int HEAD_VERSION = 1;
+
+ int service_type = 0;
+ int service_op = 0;
+
+ // service specific data
+ DataStats data_stats;
+
+ MMonHealth() : MMonQuorumService{MSG_MON_HEALTH, HEAD_VERSION} { }
+
+private:
+ ~MMonHealth() final { }
+
+public:
+ std::string_view get_type_name() const override { return "mon_health"; }
+ void print(std::ostream &o) const override {
+ o << "mon_health("
+ << " e " << get_epoch()
+ << " r " << get_round()
+ << " )";
+ }
+
+ void decode_payload() override {
+ using ceph::decode;
+ auto p = payload.cbegin();
+ service_decode(p);
+ decode(service_type, p);
+ decode(service_op, p);
+ decode(data_stats, p);
+ }
+
+ void encode_payload(uint64_t features) override {
+ using ceph::encode;
+ service_encode();
+ encode(service_type, payload);
+ encode(service_op, payload);
+ encode(data_stats, payload);
+ }
+};
+
+#endif /* CEPH_MMON_HEALTH_H */