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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) 2013 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_HEALTH_MONITOR_H
+#define CEPH_HEALTH_MONITOR_H
+
+#include "mon/PaxosService.h"
+
+class HealthMonitor : public PaxosService
+{
+ version_t version = 0;
+ std::map<int,health_check_map_t> quorum_checks; // for each quorum member
+ health_check_map_t leader_checks; // leader only
+ std::map<std::string,health_mute_t> mutes;
+
+ std::map<std::string,health_mute_t> pending_mutes;
+
+public:
+ HealthMonitor(Monitor &m, Paxos &p, const std::string& service_name);
+
+ /**
+ * @defgroup HealthMonitor_Inherited_h Inherited abstract methods
+ * @{
+ */
+ void init() override;
+
+ bool preprocess_query(MonOpRequestRef op) override;
+ bool prepare_update(MonOpRequestRef op) override;
+
+ void create_initial() override;
+ void update_from_paxos(bool *need_bootstrap) override;
+ void create_pending() override;
+ void encode_pending(MonitorDBStore::TransactionRef t) override;
+ version_t get_trim_to() const override;
+
+ void encode_full(MonitorDBStore::TransactionRef t) override { }
+
+ void tick() override;
+
+ void gather_all_health_checks(health_check_map_t *all);
+ health_status_t get_health_status(
+ bool want_detail,
+ ceph::Formatter *f,
+ std::string *plain,
+ const char *sep1 = " ",
+ const char *sep2 = "; ");
+
+ /**
+ * @} // HealthMonitor_Inherited_h
+ */
+private:
+ bool preprocess_command(MonOpRequestRef op);
+
+ bool prepare_command(MonOpRequestRef op);
+ bool prepare_health_checks(MonOpRequestRef op);
+ void check_for_older_version(health_check_map_t *checks);
+ void check_for_mon_down(health_check_map_t *checks);
+ void check_for_clock_skew(health_check_map_t *checks);
+ void check_if_msgr2_enabled(health_check_map_t *checks);
+ bool check_leader_health();
+ bool check_member_health();
+ bool check_mutes();
+};
+
+#endif // CEPH_HEALTH_MONITOR_H