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) 2013 Inktank, Inc.
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 #ifndef CEPH_MMONSCRUB_H
14 #define CEPH_MMONSCRUB_H
15
16 #include "msg/Message.h"
17 #include "mon/mon_types.h"
18
19 class MMonScrub : public Message {
20 private:
21 static constexpr int HEAD_VERSION = 2;
22 static constexpr int COMPAT_VERSION = 2;
23
24 public:
25 typedef enum {
26 OP_SCRUB = 1, // leader->peon: scrub (a range of) keys
27 OP_RESULT = 2, // peon->leader: result of a scrub
28 } op_type_t;
29
30 static const char *get_opname(op_type_t op) {
31 switch (op) {
32 case OP_SCRUB: return "scrub";
33 case OP_RESULT: return "result";
34 default: ceph_abort_msg("unknown op type"); return NULL;
35 }
36 }
37
38 op_type_t op = OP_SCRUB;
39 version_t version = 0;
40 ScrubResult result;
41 int32_t num_keys;
42 pair<string,string> key;
43
44 MMonScrub()
45 : Message{MSG_MON_SCRUB, HEAD_VERSION, COMPAT_VERSION},
46 num_keys(-1)
47 { }
48
49 MMonScrub(op_type_t op, version_t v, int32_t num_keys)
50 : Message{MSG_MON_SCRUB, HEAD_VERSION, COMPAT_VERSION},
51 op(op), version(v), num_keys(num_keys)
52 { }
53
54 std::string_view get_type_name() const override { return "mon_scrub"; }
55
56 void print(ostream& out) const override {
57 out << "mon_scrub(" << get_opname((op_type_t)op);
58 out << " v " << version;
59 if (op == OP_RESULT)
60 out << " " << result;
61 out << " num_keys " << num_keys;
62 out << " key (" << key << ")";
63 out << ")";
64 }
65
66 void encode_payload(uint64_t features) override {
67 using ceph::encode;
68 uint8_t o = op;
|
(2) Event overrun-buffer-val: |
Overrunning buffer pointed to by "o" of 1 bytes by passing it to a function which accesses it at byte offset 7. [details] |
| Also see events: |
[assignment] |
69 encode(o, payload);
70 encode(version, payload);
71 encode(result, payload);
72 encode(num_keys, payload);
73 encode(key, payload);
74 }
75
76 void decode_payload() override {
77 auto p = payload.cbegin();
78 uint8_t o;
79 decode(o, p);
80 op = (op_type_t)o;
81 decode(version, p);
82 decode(result, p);
83 decode(num_keys, p);
84 decode(key, p);
85 }
86 private:
87 template<class T, typename... Args>
88 friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
89 };
90
91 #endif /* CEPH_MMONSCRUB_H */
92