1 files changed, 77 insertions, 0 deletions
diff --git a/src/messages/MPGStats.h b/src/messages/MPGStats.h
new file mode 100644
index 000000000..65cec5244
--- /dev/null
+++ b/src/messages/MPGStats.h
@@ -0,0 +1,77 @@
+// -*- 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_MPGSTATS_H
+#define CEPH_MPGSTATS_H
+
+#include "osd/osd_types.h"
+#include "messages/PaxosServiceMessage.h"
+
+class MPGStats final : public PaxosServiceMessage {
+  static constexpr int HEAD_VERSION = 2;
+  static constexpr int COMPAT_VERSION = 1;
+
+public:
+  uuid_d fsid;
+  std::map<pg_t, pg_stat_t> pg_stat;
+  osd_stat_t osd_stat;
+  std::map<int64_t, store_statfs_t> pool_stat;
+  epoch_t epoch = 0;
+
+  MPGStats() : PaxosServiceMessage{MSG_PGSTATS, 0, HEAD_VERSION, COMPAT_VERSION} {}
+  MPGStats(const uuid_d& f, epoch_t e)
+    : PaxosServiceMessage{MSG_PGSTATS, 0, HEAD_VERSION, COMPAT_VERSION},
+      fsid(f),
+      epoch(e)
+  {}
+
+private:
+  ~MPGStats() final {}
+
+public:
+  std::string_view get_type_name() const override { return "pg_stats"; }
+  void print(std::ostream& out) const override {
+    out << "pg_stats(" << pg_stat.size() << " pgs seq " << osd_stat.seq << " v " << version << ")";
+  }
+
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    paxos_encode();
+    encode(fsid, payload);
+    encode(osd_stat, payload, features);
+    encode(pg_stat, payload);
+    encode(epoch, payload);
+    encode(utime_t{}, payload);
+    encode(pool_stat, payload, features);
+  }
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    paxos_decode(p);
+    decode(fsid, p);
+    decode(osd_stat, p);
+    if (osd_stat.num_osds == 0) {
+      // for the benefit of legacy OSDs who don't set this field
+      osd_stat.num_osds = 1;
+    }
+    decode(pg_stat, p);
+    decode(epoch, p);
+    utime_t dummy;
+    decode(dummy, p);
+    if (header.version >= 2)
+      decode(pool_stat, p);
+  }
+};
+
+#endif