mirror of
https://github.com/ceph/ceph
synced 2024-12-24 04:14:07 +00:00
86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2013 Inktank Storage, Inc.
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#ifndef MOSDPGPULL_H
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#define MOSDPGPULL_H
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#include "msg/Message.h"
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#include "osd/osd_types.h"
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class MOSDPGPull : public Message {
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static const int HEAD_VERSION = 2;
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static const int COMPAT_VERSION = 1;
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public:
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pg_shard_t from;
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spg_t pgid;
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epoch_t map_epoch;
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vector<PullOp> pulls;
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uint64_t cost;
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MOSDPGPull() :
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Message(MSG_OSD_PG_PULL, HEAD_VERSION, COMPAT_VERSION),
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cost(0)
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{}
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void compute_cost(CephContext *cct) {
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cost = 0;
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for (vector<PullOp>::iterator i = pulls.begin();
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i != pulls.end();
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++i) {
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cost += i->cost(cct);
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}
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}
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int get_cost() const {
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return cost;
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}
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virtual void decode_payload() {
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bufferlist::iterator p = payload.begin();
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::decode(pgid.pgid, p);
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::decode(map_epoch, p);
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::decode(pulls, p);
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::decode(cost, p);
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if (header.version >= 2) {
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::decode(pgid.shard, p);
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::decode(from, p);
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} else {
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pgid.shard = shard_id_t::NO_SHARD;
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from = pg_shard_t(get_source().num(), shard_id_t::NO_SHARD);
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}
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}
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virtual void encode_payload(uint64_t features) {
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::encode(pgid.pgid, payload);
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::encode(map_epoch, payload);
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::encode(pulls, payload, features);
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::encode(cost, payload);
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::encode(pgid.shard, payload);
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::encode(from, payload);
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}
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const char *get_type_name() const { return "MOSDPGPull"; }
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void print(ostream& out) const {
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out << "MOSDPGPull(" << pgid
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<< " " << map_epoch
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<< " " << pulls;
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out << ")";
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}
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};
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#endif
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