92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/*
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* Copyright (c) 2023, Alibaba Group Holding Limited;
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <ylt/struct_pack/util.h>
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#include <cstdint>
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#pragma once
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namespace coro_rpc {
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enum class errc : uint16_t {
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ok,
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io_error,
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not_connected,
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timed_out,
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invalid_argument,
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address_in_use,
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operation_canceled,
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interrupted,
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function_not_registered,
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protocol_error,
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unknown_protocol_version,
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message_too_large,
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server_has_ran,
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};
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inline constexpr std::string_view make_error_message(errc ec) noexcept {
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switch (ec) {
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case errc::ok:
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return "ok";
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case errc::io_error:
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return "io_error";
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case errc::not_connected:
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return "not_connected";
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case errc::timed_out:
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return "timed_out";
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case errc::invalid_argument:
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return "invalid_argument";
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case errc::address_in_use:
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return "address_in_use";
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case errc::operation_canceled:
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return "operation_canceled";
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case errc::interrupted:
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return "interrupted";
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case errc::function_not_registered:
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return "function_not_registered";
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case errc::protocol_error:
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return "protocol_error";
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case errc::message_too_large:
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return "message_too_large";
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case errc::server_has_ran:
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return "server_has_ran";
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default:
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return "unknown_user-defined_error";
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}
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}
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struct err_code {
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public:
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errc ec;
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constexpr err_code() noexcept : ec(errc::ok) {}
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explicit constexpr err_code(uint16_t ec) noexcept : ec{ec} {};
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constexpr err_code(errc ec) noexcept : ec(ec){};
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constexpr err_code& operator=(errc ec) noexcept {
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this->ec = ec;
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return *this;
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}
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constexpr err_code(const err_code& err_code) noexcept = default;
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constexpr err_code& operator=(const err_code& o) noexcept = default;
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constexpr operator errc() const noexcept { return ec; }
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constexpr operator bool() const noexcept { return static_cast<uint16_t>(ec); }
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constexpr explicit operator uint16_t() const noexcept {
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return static_cast<uint16_t>(ec);
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}
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constexpr uint16_t val() const noexcept { return static_cast<uint16_t>(ec); }
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constexpr std::string_view message() const noexcept {
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return make_error_message(ec);
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}
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};
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inline bool operator!(err_code ec) noexcept { return ec == errc::ok; }
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inline bool operator!(errc ec) noexcept { return ec == errc::ok; }
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}; // namespace coro_rpc
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