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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2013 Inktank Storage, Inc.
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+
+#ifndef MOSDPGPULL_H
+#define MOSDPGPULL_H
+
+#include "MOSDFastDispatchOp.h"
+
+class MOSDPGPull : public MOSDFastDispatchOp {
+private:
+ static constexpr int HEAD_VERSION = 3;
+ static constexpr int COMPAT_VERSION = 2;
+
+ std::vector<PullOp> pulls;
+
+public:
+ pg_shard_t from;
+ spg_t pgid;
+ epoch_t map_epoch = 0, min_epoch = 0;
+ uint64_t cost = 0;
+
+ epoch_t get_map_epoch() const override {
+ return map_epoch;
+ }
+ epoch_t get_min_epoch() const override {
+ return min_epoch;
+ }
+ spg_t get_spg() const override {
+ return pgid;
+ }
+
+ std::vector<PullOp> take_pulls() {
+ return std::move(pulls);
+ }
+ void set_pulls(std::vector<PullOp>&& pull_ops) {
+ pulls = std::move(pull_ops);
+ }
+
+ MOSDPGPull()
+ : MOSDFastDispatchOp{MSG_OSD_PG_PULL, HEAD_VERSION, COMPAT_VERSION}
+ {}
+
+ void compute_cost(CephContext *cct) {
+ cost = 0;
+ for (auto i = pulls.begin(); i != pulls.end(); ++i) {
+ cost += i->cost(cct);
+ }
+ }
+
+ int get_cost() const override {
+ return cost;
+ }
+
+ void decode_payload() override {
+ using ceph::decode;
+ auto p = payload.cbegin();
+ decode(pgid.pgid, p);
+ decode(map_epoch, p);
+ decode(pulls, p);
+ decode(cost, p);
+ decode(pgid.shard, p);
+ decode(from, p);
+ if (header.version >= 3) {
+ decode(min_epoch, p);
+ } else {
+ min_epoch = map_epoch;
+ }
+ }
+
+ void encode_payload(uint64_t features) override {
+ using ceph::encode;
+ encode(pgid.pgid, payload);
+ encode(map_epoch, payload);
+ encode(pulls, payload, features);
+ encode(cost, payload);
+ encode(pgid.shard, payload);
+ encode(from, payload);
+ encode(min_epoch, payload);
+ }
+
+ std::string_view get_type_name() const override { return "MOSDPGPull"; }
+
+ void print(std::ostream& out) const override {
+ out << "MOSDPGPull(" << pgid
+ << " e" << map_epoch << "/" << min_epoch
+ << " cost " << cost
+ << ")";
+ }
+
+private:
+ template<class T, typename... Args>
+ friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
+};
+
+#endif