initial code repo

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

diff --git a/src/ceph/src/mon/DataHealthService.h b/src/ceph/src/mon/DataHealthService.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_MON_DATA_HEALTH_SERVICE_H
+#define CEPH_MON_DATA_HEALTH_SERVICE_H
+
+#include <errno.h>
+
+#include "include/types.h"
+#include "mon/mon_types.h"
+#include "mon/HealthService.h"
+#include "common/config.h"
+#include "global/signal_handler.h"
+
+struct MMonHealth;
+namespace ceph { class Formatter; }
+
+
+class DataHealthService :
+  public HealthService
+{
+  map<entity_inst_t,DataStats> stats;
+  int last_warned_percent;
+
+  void handle_tell(MonOpRequestRef op);
+  int update_store_stats(DataStats &ours);
+  int update_stats();
+  void share_stats();
+
+  void force_shutdown() {
+    generic_dout(0) << "** Shutdown via Data Health Service **" << dendl;
+    queue_async_signal(SIGINT);
+  }
+
+protected:
+  void service_tick() override;
+  bool service_dispatch_op(MonOpRequestRef op) override;
+  void service_shutdown() override { }
+
+  void start_epoch() override;
+  void finish_epoch() override { }
+  void cleanup() override { }
+
+public:
+  DataHealthService(Monitor *m) :
+    HealthService(m),
+    last_warned_percent(0)
+  {
+    set_update_period(g_conf->mon_health_data_update_interval);
+  }
+  ~DataHealthService() override { }
+
+  void init() override {
+    generic_dout(20) << "data_health " << __func__ << dendl;
+    start_tick();
+  }
+
+  void get_health(
+    list<pair<health_status_t,string> >& summary,
+    list<pair<health_status_t,string> > *detail) override;
+
+  int get_type() override {
+    return HealthService::SERVICE_HEALTH_DATA;
+  }
+
+  string get_name() const override {
+    return "data_health";
+  }
+};
+
+#endif /* CEPH_MON_DATA_HEALTH_SERVICE_H */