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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
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