74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
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// Copyright (c) Facebook, Inc. and its affiliates.
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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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#pragma once
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#include <folly/io/IOBuf.h>
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#include <memory>
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#include <string>
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namespace rsocket {
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/// The type of a read-only view on a binary buffer.
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/// MUST manage the lifetime of the underlying buffer.
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struct Payload {
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Payload() = default;
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explicit Payload(
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std::unique_ptr<folly::IOBuf> data,
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std::unique_ptr<folly::IOBuf> metadata = std::unique_ptr<folly::IOBuf>());
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explicit Payload(
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folly::StringPiece data,
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folly::StringPiece metadata = folly::StringPiece{});
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explicit operator bool() const {
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return data != nullptr || metadata != nullptr;
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}
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std::string moveDataToString();
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std::string cloneDataToString() const;
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std::string moveMetadataToString();
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std::string cloneMetadataToString() const;
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void clear();
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Payload clone() const;
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std::unique_ptr<folly::IOBuf> data;
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std::unique_ptr<folly::IOBuf> metadata;
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};
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struct ErrorWithPayload : public std::exception {
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explicit ErrorWithPayload(Payload&& payload);
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// folly::ExceptionWrapper requires exceptions to have copy constructors
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ErrorWithPayload(const ErrorWithPayload& oth);
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ErrorWithPayload& operator=(const ErrorWithPayload&);
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ErrorWithPayload(ErrorWithPayload&&) = default;
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ErrorWithPayload& operator=(ErrorWithPayload&&) = default;
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const char* what() const noexcept override {
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return "ErrorWithPayload";
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}
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Payload payload;
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};
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std::ostream& operator<<(std::ostream& os, const Payload&);
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std::ostream& operator<<(std::ostream& os, const ErrorWithPayload&);
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} // namespace rsocket
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