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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_MOSDREPOPREPLY_H | |
17 | #define CEPH_MOSDREPOPREPLY_H | |
18 | ||
19 | #include "MOSDFastDispatchOp.h" | |
9f95a23c | 20 | #include "MOSDRepOp.h" |
7c673cae | 21 | |
7c673cae FG |
22 | /* |
23 | * OSD Client Subop reply | |
24 | * | |
25 | * oid - object id | |
26 | * op - OSD_OP_DELETE, etc. | |
27 | * | |
28 | */ | |
29 | ||
9f95a23c | 30 | class MOSDRepOpReply : public MOSDFastDispatchOp { |
11fdf7f2 TL |
31 | private: |
32 | static constexpr int HEAD_VERSION = 2; | |
33 | static constexpr int COMPAT_VERSION = 1; | |
7c673cae FG |
34 | public: |
35 | epoch_t map_epoch, min_epoch; | |
36 | ||
37 | // subop metadata | |
38 | osd_reqid_t reqid; | |
39 | pg_shard_t from; | |
40 | spg_t pgid; | |
41 | ||
42 | // result | |
43 | __u8 ack_type; | |
44 | int32_t result; | |
45 | ||
46 | // piggybacked osd state | |
47 | eversion_t last_complete_ondisk; | |
48 | ||
9f95a23c | 49 | ceph::buffer::list::const_iterator p; |
11fdf7f2 | 50 | // Decoding flags. Decoding is only needed for messages caught by pipe reader. |
7c673cae FG |
51 | bool final_decode_needed; |
52 | ||
53 | epoch_t get_map_epoch() const override { | |
54 | return map_epoch; | |
55 | } | |
56 | epoch_t get_min_epoch() const override { | |
57 | return min_epoch; | |
58 | } | |
59 | spg_t get_spg() const override { | |
60 | return pgid; | |
61 | } | |
62 | ||
63 | void decode_payload() override { | |
9f95a23c | 64 | using ceph::decode; |
11fdf7f2 TL |
65 | p = payload.cbegin(); |
66 | decode(map_epoch, p); | |
7c673cae | 67 | if (header.version >= 2) { |
11fdf7f2 | 68 | decode(min_epoch, p); |
7c673cae FG |
69 | decode_trace(p); |
70 | } else { | |
71 | min_epoch = map_epoch; | |
72 | } | |
11fdf7f2 TL |
73 | decode(reqid, p); |
74 | decode(pgid, p); | |
7c673cae FG |
75 | } |
76 | ||
77 | void finish_decode() { | |
9f95a23c | 78 | using ceph::decode; |
7c673cae FG |
79 | if (!final_decode_needed) |
80 | return; // Message is already final decoded | |
11fdf7f2 TL |
81 | decode(ack_type, p); |
82 | decode(result, p); | |
83 | decode(last_complete_ondisk, p); | |
7c673cae | 84 | |
11fdf7f2 | 85 | decode(from, p); |
7c673cae FG |
86 | final_decode_needed = false; |
87 | } | |
88 | void encode_payload(uint64_t features) override { | |
11fdf7f2 TL |
89 | using ceph::encode; |
90 | encode(map_epoch, payload); | |
7c673cae | 91 | if (HAVE_FEATURE(features, SERVER_LUMINOUS)) { |
c07f9fc5 | 92 | header.version = HEAD_VERSION; |
11fdf7f2 | 93 | encode(min_epoch, payload); |
7c673cae FG |
94 | encode_trace(payload, features); |
95 | } else { | |
96 | header.version = 1; | |
97 | } | |
11fdf7f2 TL |
98 | encode(reqid, payload); |
99 | encode(pgid, payload); | |
100 | encode(ack_type, payload); | |
101 | encode(result, payload); | |
102 | encode(last_complete_ondisk, payload); | |
103 | encode(from, payload); | |
7c673cae FG |
104 | } |
105 | ||
106 | spg_t get_pg() { return pgid; } | |
107 | ||
108 | int get_ack_type() { return ack_type; } | |
109 | bool is_ondisk() { return ack_type & CEPH_OSD_FLAG_ONDISK; } | |
110 | bool is_onnvram() { return ack_type & CEPH_OSD_FLAG_ONNVRAM; } | |
111 | ||
112 | int get_result() { return result; } | |
113 | ||
114 | void set_last_complete_ondisk(eversion_t v) { last_complete_ondisk = v; } | |
115 | eversion_t get_last_complete_ondisk() const { return last_complete_ondisk; } | |
116 | ||
117 | public: | |
118 | MOSDRepOpReply( | |
119 | const MOSDRepOp *req, pg_shard_t from, int result_, epoch_t e, epoch_t mine, | |
120 | int at) : | |
9f95a23c | 121 | MOSDFastDispatchOp{MSG_OSD_REPOPREPLY, HEAD_VERSION, COMPAT_VERSION}, |
7c673cae FG |
122 | map_epoch(e), |
123 | min_epoch(mine), | |
124 | reqid(req->reqid), | |
125 | from(from), | |
126 | pgid(req->pgid.pgid, req->from.shard), | |
127 | ack_type(at), | |
128 | result(result_), | |
129 | final_decode_needed(false) { | |
130 | set_tid(req->get_tid()); | |
131 | } | |
132 | MOSDRepOpReply() | |
9f95a23c | 133 | : MOSDFastDispatchOp{MSG_OSD_REPOPREPLY, HEAD_VERSION, COMPAT_VERSION}, |
7c673cae FG |
134 | map_epoch(0), |
135 | min_epoch(0), | |
136 | ack_type(0), result(0), | |
137 | final_decode_needed(true) {} | |
138 | private: | |
139 | ~MOSDRepOpReply() override {} | |
140 | ||
141 | public: | |
11fdf7f2 | 142 | std::string_view get_type_name() const override { return "osd_repop_reply"; } |
7c673cae | 143 | |
9f95a23c | 144 | void print(std::ostream& out) const override { |
7c673cae FG |
145 | out << "osd_repop_reply(" << reqid |
146 | << " " << pgid << " e" << map_epoch << "/" << min_epoch; | |
147 | if (!final_decode_needed) { | |
148 | if (ack_type & CEPH_OSD_FLAG_ONDISK) | |
149 | out << " ondisk"; | |
150 | if (ack_type & CEPH_OSD_FLAG_ONNVRAM) | |
151 | out << " onnvram"; | |
152 | if (ack_type & CEPH_OSD_FLAG_ACK) | |
153 | out << " ack"; | |
154 | out << ", result = " << result; | |
155 | } | |
156 | out << ")"; | |
157 | } | |
158 | ||
9f95a23c TL |
159 | private: |
160 | template<class T, typename... Args> | |
161 | friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); | |
7c673cae FG |
162 | }; |
163 | ||
7c673cae | 164 | #endif |