1 files changed, 66 insertions, 0 deletions
diff --git a/src/messages/MHeartbeat.h b/src/messages/MHeartbeat.h
new file mode 100644
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--- /dev/null
+++ b/src/messages/MHeartbeat.h
@@ -0,0 +1,66 @@
+// -*- 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) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * 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_MHEARTBEAT_H
+#define CEPH_MHEARTBEAT_H
+
+#include "include/types.h"
+#include "common/DecayCounter.h"
+#include "messages/MMDSOp.h"
+
+class MHeartbeat final : public MMDSOp {
+private:
+  mds_load_t load;
+  __s32 beat = 0;
+  std::map<mds_rank_t, float> import_map;
+
+ public:
+  const mds_load_t& get_load() const { return load; }
+  int get_beat() const { return beat; }
+
+  const std::map<mds_rank_t, float>& get_import_map() const { return import_map; }
+  std::map<mds_rank_t, float>& get_import_map() { return import_map; }
+
+protected:
+  MHeartbeat() : MMDSOp(MSG_MDS_HEARTBEAT), load(DecayRate()) {}
+  MHeartbeat(mds_load_t& load, int beat)
+    : MMDSOp(MSG_MDS_HEARTBEAT),
+      load(load),
+      beat(beat)
+  {}
+  ~MHeartbeat() final {}
+
+public:
+  std::string_view get_type_name() const override { return "HB"; }
+
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    encode(load, payload);
+    encode(beat, payload);
+    encode(import_map, payload);
+  }
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    decode(load, p);
+    decode(beat, p);
+    decode(import_map, p);
+  }
+private:
+  template<class T, typename... Args>
+  friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
+};
+
+#endif