ceph/src/messages/MLogAck.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #ifndef CEPH_MLOGACK_H
  16 #define CEPH_MLOGACK_H
  17
  18 class MLogAck : public MessageInstance<MLogAck> {
  19 public:
  20   friend factory;
  21
  22   uuid_d fsid;
  23   version_t last = 0;
  24   std::string channel;
  25
  26   MLogAck() : MessageInstance(MSG_LOGACK) {}
  27   MLogAck(uuid_d& f, version_t l) : MessageInstance(MSG_LOGACK), fsid(f), last(l) {}
  28 private:
  29   ~MLogAck() override {}
  30
  31 public:
  32   std::string_view get_type_name() const override { return "log_ack"; }
  33   void print(ostream& out) const override {
  34     out << "log(last " << last << ")";
  35   }
  36
  37   void encode_payload(uint64_t features) override {
  38     using ceph::encode;
  39     encode(fsid, payload);
  40     encode(last, payload);
  41     encode(channel, payload);
  42   }
  43   void decode_payload() override {
  44     using ceph::decode;
  45     auto p = payload.cbegin();
  46     decode(fsid, p);
  47     decode(last, p);
  48     if (!p.end())
  49       decode(channel, p);
  50   }
  51 };
  52
  53 #endif