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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) 2017 Red Hat, Inc
*
* 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 "Errors.h"
namespace ceph::net {
const std::error_category& net_category()
{
struct category : public std::error_category {
const char* name() const noexcept override {
return "ceph::net";
}
std::string message(int ev) const override {
switch (static_cast<error>(ev)) {
case error::success:
return "success";
case error::bad_connect_banner:
return "bad connect banner";
case error::bad_peer_address:
return "bad peer address";
case error::negotiation_failure:
return "negotiation failure";
case error::read_eof:
return "read eof";
case error::connection_aborted:
return "connection aborted";
case error::connection_refused:
return "connection refused";
case error::connection_reset:
return "connection reset";
default:
return "unknown";
}
}
// unfortunately, seastar throws connection errors with the system category,
// rather than the generic category that would match their counterparts
// in std::errc. we add our own errors for them, so we can match either
std::error_condition default_error_condition(int ev) const noexcept override {
switch (static_cast<error>(ev)) {
case error::connection_aborted:
return std::errc::connection_aborted;
case error::connection_refused:
return std::errc::connection_refused;
case error::connection_reset:
return std::errc::connection_reset;
default:
return std::error_condition(ev, *this);
}
}
bool equivalent(int code, const std::error_condition& cond) const noexcept override {
if (error_category::equivalent(code, cond)) {
return true;
}
switch (static_cast<error>(code)) {
case error::connection_aborted:
return cond == std::errc::connection_aborted
|| cond == std::error_condition(ECONNABORTED, std::system_category());
case error::connection_refused:
return cond == std::errc::connection_refused
|| cond == std::error_condition(ECONNREFUSED, std::system_category());
case error::connection_reset:
return cond == std::errc::connection_reset
|| cond == std::error_condition(ECONNRESET, std::system_category());
default:
return false;
}
}
bool equivalent(const std::error_code& code, int cond) const noexcept override {
if (error_category::equivalent(code, cond)) {
return true;
}
switch (static_cast<error>(cond)) {
case error::connection_aborted:
return code == std::errc::connection_aborted
|| code == std::error_code(ECONNABORTED, std::system_category());
case error::connection_refused:
return code == std::errc::connection_refused
|| code == std::error_code(ECONNREFUSED, std::system_category());
case error::connection_reset:
return code == std::errc::connection_reset
|| code == std::error_code(ECONNRESET, std::system_category());
default:
return false;
}
}
};
static category instance;
return instance;
}
} // namespace ceph::net
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