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diff --git a/src/messages/MLog.h b/src/messages/MLog.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) 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_MLOG_H
+#define CEPH_MLOG_H
+
+#include "common/LogEntry.h"
+#include "messages/PaxosServiceMessage.h"
+
+#include <deque>
+
+class MLog final : public PaxosServiceMessage {
+public:
+ uuid_d fsid;
+ std::deque<LogEntry> entries;
+
+ MLog() : PaxosServiceMessage{MSG_LOG, 0} {}
+ MLog(const uuid_d& f, std::deque<LogEntry>&& e)
+ : PaxosServiceMessage{MSG_LOG, 0}, fsid(f), entries{std::move(e)} { }
+ MLog(const uuid_d& f) : PaxosServiceMessage(MSG_LOG, 0), fsid(f) { }
+private:
+ ~MLog() final {}
+
+public:
+ std::string_view get_type_name() const override { return "log"; }
+ void print(std::ostream& out) const override {
+ out << "log(";
+ if (entries.size())
+ out << entries.size() << " entries from seq " << entries.front().seq
+ << " at " << entries.front().stamp;
+ out << ")";
+ }
+
+ void encode_payload(uint64_t features) override {
+ using ceph::encode;
+ paxos_encode();
+ encode(fsid, payload);
+ encode(entries, payload, features);
+ }
+ void decode_payload() override {
+ using ceph::decode;
+ auto p = payload.cbegin();
+ paxos_decode(p);
+ decode(fsid, p);
+ decode(entries, p);
+ }
+};
+
+#endif