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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 "common/errno.h"
#include "error_code.h"
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
class osd_error_category : public ceph::converting_category {
public:
osd_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;
boost::system::error_condition default_error_condition(int ev) const noexcept
override;
bool equivalent(int ev, const boost::system::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* osd_error_category::name() const noexcept {
return "osd";
}
const char* osd_error_category::message(int ev, char* buf,
std::size_t len) const noexcept {
if (ev == 0)
return "No error";
switch (static_cast<osd_errc>(ev)) {
case osd_errc::old_snapc:
return "ORDERSNAP flag set; writer has old snapc";
case osd_errc::blocklisted:
return "Blocklisted";
}
if (len) {
auto s = cpp_strerror(ev);
auto n = s.copy(buf, len - 1);
*(buf + n) = '\0';
}
return buf;
}
std::string osd_error_category::message(int ev) const {
if (ev == 0)
return "No error";
switch (static_cast<osd_errc>(ev)) {
case osd_errc::old_snapc:
return "ORDERSNAP flag set; writer has old snapc";
case osd_errc::blocklisted:
return "Blocklisted";
}
return cpp_strerror(ev);
}
boost::system::error_condition osd_error_category::default_error_condition(int ev) const noexcept {
if (ev == static_cast<int>(osd_errc::old_snapc) ||
ev == static_cast<int>(osd_errc::blocklisted))
return { ev, *this };
else
return { ev, boost::system::generic_category() };
}
bool osd_error_category::equivalent(int ev, const boost::system::error_condition& c) const noexcept {
switch (static_cast<osd_errc>(ev)) {
case osd_errc::old_snapc:
return c == boost::system::errc::invalid_argument;
case osd_errc::blocklisted:
return c == boost::system::errc::operation_not_permitted;
}
return default_error_condition(ev) == c;
}
int osd_error_category::from_code(int ev) const noexcept {
return -ev;
}
const boost::system::error_category& osd_category() noexcept {
static const osd_error_category c;
return c;
}
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