projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
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 | * Portions Copyright (C) 2014 CohortFS, LLC | |
| 8 | * | |
| 9 | * This is free software; you can redistribute it and/or | |
| 10 | * modify it under the terms of the GNU Lesser General Public | |
| 11 | * License version 2.1, as published by the Free Software | |
| 12 | * Foundation. See file COPYING. | |
| 13 | * | |
| 14 | */ | |
| 15 | ||
| 16 | #ifndef CEPH_MSG_NOP_H | |
| 17 | #define CEPH_MSG_NOP_H | |
| 18 | ||
| 19 | #include "msg/Message.h" | |
| 20 | #include "msg/msg_types.h" | |
| 21 | ||
| 22 | /* | |
| 23 | * A message with no (remote) effect. | |
| 24 | */ | |
| 11fdf7f2 | 25 | class MNop : public MessageInstance<MNop> { |
| 7c673cae | 26 | public: |
| 11fdf7f2 TL |
27 | friend factory; |
| 28 | ||
| 29 | static constexpr int HEAD_VERSION = 1; | |
| 30 | static constexpr int COMPAT_VERSION = 1; | |
| 7c673cae FG |
31 | |
| 32 | __u32 tag; // ignored tag value | |
| 33 | ||
| 34 | MNop() | |
| 11fdf7f2 | 35 | : MessageInstance(MSG_NOP, HEAD_VERSION, COMPAT_VERSION) |
| 7c673cae FG |
36 | {} |
| 37 | ||
| 38 | ~MNop() {} | |
| 39 | ||
| 40 | void encode_payload(uint64_t _features) { | |
| 11fdf7f2 TL |
41 | using ceph::encode; |
| 42 | encode(tag, payload); | |
| 7c673cae FG |
43 | } |
| 44 | ||
| 45 | void decode_payload() { | |
| 11fdf7f2 TL |
46 | auto p = payload.cbegin(); |
| 47 | decode(tag, p); | |
| 7c673cae FG |
48 | } |
| 49 | ||
| 11fdf7f2 | 50 | std::string_view get_type_name() const { return "MNop"; } |
| 7c673cae FG |
51 | |
| 52 | void print(ostream& out) const { | |
| 53 | out << get_type_name() << " "; | |
| 54 | } | |
| 55 | }; /* MNop */ | |
| 56 | ||
| 57 | #endif /* CEPH_MSG_NOP_H */ |