initial code repo

[stor4nfv.git] / src / ceph / src / mon / HealthMonitor.h

diff --git a/src/ceph/src/mon/HealthMonitor.h b/src/ceph/src/mon/HealthMonitor.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) 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"
+
+//forward declaration
+namespace ceph { class Formatter; }
+class HealthService;
+
+class HealthMonitor : public PaxosService
+{
+  map<int,HealthService*> services;
+  version_t version = 0;
+  map<int,health_check_map_t> quorum_checks;  // for each quorum member
+  health_check_map_t leader_checks;           // leader only
+
+public:
+  HealthMonitor(Monitor *m, Paxos *p, const string& service_name);
+  ~HealthMonitor() override {
+    assert(services.empty());
+  }
+
+  /**
+   * @defgroup HealthMonitor_Inherited_h Inherited abstract methods
+   * @{
+   */
+  void init() override;
+
+  void get_health(
+    list<pair<health_status_t,string> >& summary,
+    list<pair<health_status_t,string> > *detail,
+    CephContext *cct) const override {}
+
+  bool preprocess_query(MonOpRequestRef op) override;
+  bool prepare_update(MonOpRequestRef op) override;
+
+  bool prepare_health_checks(MonOpRequestRef op);
+
+  bool check_leader_health();
+  bool check_member_health();
+
+  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() override;
+
+  void encode_full(MonitorDBStore::TransactionRef t) override { }
+
+  void tick() override;
+
+  /**
+   * @} // HealthMonitor_Inherited_h
+   */
+};
+
+#endif // CEPH_HEALTH_MONITOR_H