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) 2019 Red Hat <contact@redhat.com>
7 * Author: Adam C. Emerson <aemerson@redhat.com>
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.
18 #include "common/error_code.h"
19 #include "error_code.h"
21 namespace bs
= boost::system
;
23 #pragma GCC diagnostic push
24 #pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
25 #pragma clang diagnostic push
26 #pragma clang diagnostic ignored "-Wnon-virtual-dtor"
27 class osdc_error_category
: public ceph::converting_category
{
29 osdc_error_category(){}
30 const char* name() const noexcept override
;
31 const char* message(int ev
, char*, std::size_t) const noexcept override
;
32 std::string
message(int ev
) const override
;
33 bs::error_condition
default_error_condition(int ev
) const noexcept
35 bool equivalent(int ev
, const bs::error_condition
& c
) const
37 using ceph::converting_category::equivalent
;
38 int from_code(int ev
) const noexcept override
;
40 #pragma GCC diagnostic pop
41 #pragma clang diagnostic pop
43 const char* osdc_error_category::name() const noexcept
{
47 const char* osdc_error_category::message(int ev
, char*,
48 std::size_t) const noexcept
{
52 switch (static_cast<osdc_errc
>(ev
)) {
53 case osdc_errc::pool_dne
:
54 return "Pool does not exist";
56 case osdc_errc::pool_exists
:
57 return "Pool already exists";
59 case osdc_errc::precondition_violated
:
60 return "Precondition for operation not satisfied";
62 case osdc_errc::not_supported
:
63 return "Operation not supported";
65 case osdc_errc::snapshot_exists
:
66 return "Snapshot already exists";
68 case osdc_errc::snapshot_dne
:
69 return "Snapshot does not exist";
71 case osdc_errc::timed_out
:
72 return "Operation timed out";
74 case osdc_errc::pool_eio
:
75 return "Pool EIO flag set";
78 return "Unknown error";
81 std::string
osdc_error_category::message(int ev
) const {
82 return message(ev
, nullptr, 0);
86 osdc_error_category::default_error_condition(int ev
) const noexcept
{
87 switch (static_cast<osdc_errc
>(ev
)) {
88 case osdc_errc::pool_dne
:
89 return ceph::errc::does_not_exist
;
90 case osdc_errc::pool_exists
:
91 return ceph::errc::exists
;
92 case osdc_errc::precondition_violated
:
93 return bs::errc::invalid_argument
;
94 case osdc_errc::not_supported
:
95 return bs::errc::operation_not_supported
;
96 case osdc_errc::snapshot_exists
:
97 return ceph::errc::exists
;
98 case osdc_errc::snapshot_dne
:
99 return ceph::errc::does_not_exist
;
100 case osdc_errc::timed_out
:
101 return bs::errc::timed_out
;
102 case osdc_errc::pool_eio
:
103 return bs::errc::io_error
;
106 return { ev
, *this };
109 bool osdc_error_category::equivalent(int ev
,
110 const bs::error_condition
& c
) const noexcept
{
111 if (static_cast<osdc_errc
>(ev
) == osdc_errc::pool_dne
) {
112 if (c
== bs::errc::no_such_file_or_directory
) {
115 if (c
== ceph::errc::not_in_map
) {
119 if (static_cast<osdc_errc
>(ev
) == osdc_errc::pool_exists
) {
120 if (c
== bs::errc::file_exists
) {
124 if (static_cast<osdc_errc
>(ev
) == osdc_errc::snapshot_exists
) {
125 if (c
== bs::errc::file_exists
) {
129 if (static_cast<osdc_errc
>(ev
) == osdc_errc::snapshot_dne
) {
130 if (c
== bs::errc::no_such_file_or_directory
) {
133 if (c
== ceph::errc::not_in_map
) {
138 return default_error_condition(ev
) == c
;
141 int osdc_error_category::from_code(int ev
) const noexcept
{
142 switch (static_cast<osdc_errc
>(ev
)) {
143 case osdc_errc::pool_dne
:
145 case osdc_errc::pool_exists
:
147 case osdc_errc::precondition_violated
:
149 case osdc_errc::not_supported
:
151 case osdc_errc::snapshot_exists
:
153 case osdc_errc::snapshot_dne
:
155 case osdc_errc::timed_out
:
157 case osdc_errc::pool_eio
:
163 const bs::error_category
& osdc_category() noexcept
{
164 static const osdc_error_category c
;