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.
16 #ifndef CEPH_MOSDREPOP_H
17 #define CEPH_MOSDREPOP_H
19 #include "MOSDFastDispatchOp.h"
22 * OSD sub op - for internal ops on pobjects between primary and replicas(/stripes/whatever)
25 class MOSDRepOp : public MOSDFastDispatchOp {
27 static const int HEAD_VERSION = 2;
28 static const int COMPAT_VERSION = 1;
31 epoch_t map_epoch, min_epoch;
33 // metadata from original request
38 bufferlist::iterator p;
39 // Decoding flags. Decoding is only needed for messages catched by pipe reader.
40 bool final_decode_needed;
48 // transaction to exec
55 // piggybacked osd/og state
56 eversion_t pg_trim_to; // primary->replica: trim to here
57 eversion_t pg_roll_forward_to; // primary->replica: trim rollback
60 hobject_t new_temp_oid; ///< new temp object that we must now start tracking
61 hobject_t discard_temp_oid; ///< previously used temp object that we can now stop tracking
63 /// non-empty if this transaction involves a hit_set history update
64 boost::optional<pg_hit_set_history_t> updated_hit_set_history;
66 epoch_t get_map_epoch() const override {
69 epoch_t get_min_epoch() const override {
72 spg_t get_spg() const override {
76 int get_cost() const override {
80 void decode_payload() override {
82 // splitted to partial and final
83 ::decode(map_epoch, p);
84 if (header.version >= 2) {
85 ::decode(min_epoch, p);
88 min_epoch = map_epoch;
94 void finish_decode() {
95 if (!final_decode_needed)
96 return; // Message is already final decoded
99 ::decode(acks_wanted, p);
100 ::decode(version, p);
102 ::decode(pg_stats, p);
103 ::decode(pg_trim_to, p);
106 ::decode(new_temp_oid, p);
107 ::decode(discard_temp_oid, p);
110 ::decode(updated_hit_set_history, p);
111 ::decode(pg_roll_forward_to, p);
112 final_decode_needed = false;
115 void encode_payload(uint64_t features) override {
116 ::encode(map_epoch, payload);
117 if (HAVE_FEATURE(features, SERVER_LUMINOUS)) {
118 header.version = HEAD_VERSION;
119 ::encode(min_epoch, payload);
120 encode_trace(payload, features);
124 ::encode(reqid, payload);
125 ::encode(pgid, payload);
126 ::encode(poid, payload);
128 ::encode(acks_wanted, payload);
129 ::encode(version, payload);
130 ::encode(logbl, payload);
131 ::encode(pg_stats, payload);
132 ::encode(pg_trim_to, payload);
133 ::encode(new_temp_oid, payload);
134 ::encode(discard_temp_oid, payload);
135 ::encode(from, payload);
136 ::encode(updated_hit_set_history, payload);
137 ::encode(pg_roll_forward_to, payload);
141 : MOSDFastDispatchOp(MSG_OSD_REPOP, HEAD_VERSION, COMPAT_VERSION),
143 final_decode_needed(true), acks_wanted (0) {}
144 MOSDRepOp(osd_reqid_t r, pg_shard_t from,
145 spg_t p, const hobject_t& po, int aw,
146 epoch_t mape, epoch_t min_epoch, ceph_tid_t rtid, eversion_t v)
147 : MOSDFastDispatchOp(MSG_OSD_REPOP, HEAD_VERSION, COMPAT_VERSION),
149 min_epoch(min_epoch),
152 final_decode_needed(false),
160 ~MOSDRepOp() override {}
163 const char *get_type_name() const override { return "osd_repop"; }
164 void print(ostream& out) const override {
165 out << "osd_repop(" << reqid
166 << " " << pgid << " e" << map_epoch << "/" << min_epoch;
167 if (!final_decode_needed) {
168 out << " " << poid << " v " << version;
169 if (updated_hit_set_history)
170 out << ", has_updated_hit_set_history";