ceph/src/mds/events/ETableServer.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_MDS_ETABLESERVER_H
  16 #define CEPH_MDS_ETABLESERVER_H
  17
  18 #include "common/config.h"
  19 #include "include/types.h"
  20
  21 #include "../mds_table_types.h"
  22 #include "../LogEvent.h"
  23
  24 struct ETableServer : public LogEvent {
  25   __u16 table;
  26   __s16 op;
  27   uint64_t reqid;
  28   mds_rank_t bymds;
  29   bufferlist mutation;
  30   version_t tid;
  31   version_t version;
  32
  33   ETableServer() : LogEvent(EVENT_TABLESERVER), table(0), op(0),
  34                    reqid(0), bymds(MDS_RANK_NONE), tid(0), version(0) { }
  35   ETableServer(int t, int o, uint64_t ri, mds_rank_t m, version_t ti, version_t v) :
  36     LogEvent(EVENT_TABLESERVER),
  37     table(t), op(o), reqid(ri), bymds(m), tid(ti), version(v) { }
  38
  39   void encode(bufferlist& bl, uint64_t features) const override;
  40   void decode(bufferlist::const_iterator& bl) override;
  41   void dump(Formatter *f) const override;
  42   static void generate_test_instances(std::list<ETableServer*>& ls);
  43
  44   void print(ostream& out) const override {
  45     out << "ETableServer " << get_mdstable_name(table)
  46         << " " << get_mdstableserver_opname(op);
  47     if (reqid) out << " reqid " << reqid;
  48     if (bymds >= 0) out << " mds." << bymds;
  49     if (tid) out << " tid " << tid;
  50     if (version) out << " version " << version;
  51     if (mutation.length()) out << " mutation=" << mutation.length() << " bytes";
  52   }
  53
  54   void update_segment() override;
  55   void replay(MDSRank *mds) override;
  56 };
  57 WRITE_CLASS_ENCODER_FEATURES(ETableServer)
  58
  59 #endif