ceph/src/messages/MOSDPGCreate.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
  16 #ifndef CEPH_MOSDPGCREATE_H
  17 #define CEPH_MOSDPGCREATE_H
  18
  19 #include "msg/Message.h"
  20 #include "osd/osd_types.h"
  21
  22 /*
  23  * PGCreate - instruct an OSD to create a pg, if it doesn't already exist
  24  */
  25
  26 struct MOSDPGCreate : public Message {
  27
  28   const static int HEAD_VERSION = 3;
  29   const static int COMPAT_VERSION = 3;
  30
  31   version_t          epoch = 0;
  32   map<pg_t,pg_create_t> mkpg;
  33   map<pg_t,utime_t> ctimes;
  34
  35   MOSDPGCreate()
  36     : Message(MSG_OSD_PG_CREATE, HEAD_VERSION, COMPAT_VERSION) {}
  37   MOSDPGCreate(epoch_t e)
  38     : Message(MSG_OSD_PG_CREATE, HEAD_VERSION, COMPAT_VERSION),
  39       epoch(e) { }
  40 private:
  41   ~MOSDPGCreate() override {}
  42
  43 public:
  44   const char *get_type_name() const override { return "pg_create"; }
  45
  46   void encode_payload(uint64_t features) override {
  47     ::encode(epoch, payload);
  48     ::encode(mkpg, payload);
  49     ::encode(ctimes, payload);
  50   }
  51   void decode_payload() override {
  52     bufferlist::iterator p = payload.begin();
  53     ::decode(epoch, p);
  54     ::decode(mkpg, p);
  55     ::decode(ctimes, p);
  56   }
  57
  58   void print(ostream& out) const override {
  59     out << "osd_pg_create(e" << epoch;
  60     for (map<pg_t,pg_create_t>::const_iterator i = mkpg.begin();
  61          i != mkpg.end();
  62          ++i) {
  63       out << " " << i->first << ":" << i->second.created;
  64     }
  65     out << ")";
  66   }
  67 };
  68
  69 #endif