1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
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.
15 #ifndef CEPH_MDS_EUPDATE_H
16 #define CEPH_MDS_EUPDATE_H
18 #include "../LogEvent.h"
19 #include "EMetaBlob.h"
21 class EUpdate : public LogEvent {
25 bufferlist client_map;
30 EUpdate() : LogEvent(EVENT_UPDATE), cmapv(0), had_slaves(false) { }
31 EUpdate(MDLog *mdlog, const char *s) :
32 LogEvent(EVENT_UPDATE), metablob(mdlog),
33 type(s), cmapv(0), had_slaves(false) { }
35 void print(ostream& out) const override {
37 out << "EUpdate " << type << " ";
41 EMetaBlob *get_metablob() override { return &metablob; }
43 void encode(bufferlist& bl, uint64_t features) const override;
44 void decode(bufferlist::iterator& bl) override;
45 void dump(Formatter *f) const override;
46 static void generate_test_instances(list<EUpdate*>& ls);
48 void update_segment() override;
49 void replay(MDSRank *mds) override;
50 EMetaBlob const *get_metablob() const {return &metablob;}
52 WRITE_CLASS_ENCODER_FEATURES(EUpdate)