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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2019 Red Hat <contact@redhat.com>
* Author: Adam C. Emerson <aemerson@redhat.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include <string>
#include "common/error_code.h"
#include "error_code.h"
namespace bs = boost::system;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
class osdc_error_category : public ceph::converting_category {
public:
osdc_error_category(){}
const char* name() const noexcept override;
const char* message(int ev, char*, std::size_t) const noexcept override;
std::string message(int ev) const override;
bs::error_condition default_error_condition(int ev) const noexcept
override;
bool equivalent(int ev, const bs::error_condition& c) const
noexcept override;
using ceph::converting_category::equivalent;
int from_code(int ev) const noexcept override;
};
#pragma GCC diagnostic pop
#pragma clang diagnostic pop
const char* osdc_error_category::name() const noexcept {
return "osdc";
}
const char* osdc_error_category::message(int ev, char*,
std::size_t) const noexcept {
if (ev == 0)
return "No error";
switch (static_cast<osdc_errc>(ev)) {
case osdc_errc::pool_dne:
return "Pool does not exist";
case osdc_errc::pool_exists:
return "Pool already exists";
case osdc_errc::precondition_violated:
return "Precondition for operation not satisfied";
case osdc_errc::not_supported:
return "Operation not supported";
case osdc_errc::snapshot_exists:
return "Snapshot already exists";
case osdc_errc::snapshot_dne:
return "Snapshot does not exist";
case osdc_errc::timed_out:
return "Operation timed out";
case osdc_errc::pool_eio:
return "Pool EIO flag set";
}
return "Unknown error";
}
std::string osdc_error_category::message(int ev) const {
return message(ev, nullptr, 0);
}
bs::error_condition
osdc_error_category::default_error_condition(int ev) const noexcept {
switch (static_cast<osdc_errc>(ev)) {
case osdc_errc::pool_dne:
return ceph::errc::does_not_exist;
case osdc_errc::pool_exists:
return ceph::errc::exists;
case osdc_errc::precondition_violated:
return bs::errc::invalid_argument;
case osdc_errc::not_supported:
return bs::errc::operation_not_supported;
case osdc_errc::snapshot_exists:
return ceph::errc::exists;
case osdc_errc::snapshot_dne:
return ceph::errc::does_not_exist;
case osdc_errc::timed_out:
return bs::errc::timed_out;
case osdc_errc::pool_eio:
return bs::errc::io_error;
}
return { ev, *this };
}
bool osdc_error_category::equivalent(int ev,
const bs::error_condition& c) const noexcept {
if (static_cast<osdc_errc>(ev) == osdc_errc::pool_dne) {
if (c == bs::errc::no_such_file_or_directory) {
return true;
}
if (c == ceph::errc::not_in_map) {
return true;
}
}
if (static_cast<osdc_errc>(ev) == osdc_errc::pool_exists) {
if (c == bs::errc::file_exists) {
return true;
}
}
if (static_cast<osdc_errc>(ev) == osdc_errc::snapshot_exists) {
if (c == bs::errc::file_exists) {
return true;
}
}
if (static_cast<osdc_errc>(ev) == osdc_errc::snapshot_dne) {
if (c == bs::errc::no_such_file_or_directory) {
return true;
}
if (c == ceph::errc::not_in_map) {
return true;
}
}
return default_error_condition(ev) == c;
}
int osdc_error_category::from_code(int ev) const noexcept {
switch (static_cast<osdc_errc>(ev)) {
case osdc_errc::pool_dne:
return -ENOENT;
case osdc_errc::pool_exists:
return -EEXIST;
case osdc_errc::precondition_violated:
return -EINVAL;
case osdc_errc::not_supported:
return -EOPNOTSUPP;
case osdc_errc::snapshot_exists:
return -EEXIST;
case osdc_errc::snapshot_dne:
return -ENOENT;
case osdc_errc::timed_out:
return -ETIMEDOUT;
case osdc_errc::pool_eio:
return -EIO;
}
return -EDOM;
}
const bs::error_category& osdc_category() noexcept {
static const osdc_error_category c;
return c;
}
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