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 Message {
  19 public:
  20   uuid_d fsid;
  21   version_t last;
  22   std::string channel;
  23
  24   MLogAck() : Message(MSG_LOGACK) {}
  25   MLogAck(uuid_d& f, version_t l) : Message(MSG_LOGACK), fsid(f), last(l) {}
  26 private:
  27   ~MLogAck() override {}
  28
  29 public:
  30   const char *get_type_name() const override { return "log_ack"; }
  31   void print(ostream& out) const override {
  32     out << "log(last " << last << ")";
  33   }
  34
  35   void encode_payload(uint64_t features) override {
  36     ::encode(fsid, payload);
  37     ::encode(last, payload);
  38     ::encode(channel, payload);
  39   }
  40   void decode_payload() override {
  41     bufferlist::iterator p = payload.begin();
  42     ::decode(fsid, p);
  43     ::decode(last, p);
  44     if (!p.end())
  45       ::decode(channel, p);
  46   }
  47 };
  48
  49 #endif