folly/folly/io/IOBufQueue.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <stdexcept>
#include <string>

#include <folly/ScopeGuard.h>
#include <folly/io/IOBuf.h>

namespace folly {

namespace io {
enum class CursorAccess;
template <CursorAccess>
class RWCursor;
} // namespace io

/**
 * An IOBufQueue encapsulates a chain of IOBufs and provides
 * convenience functions to append data to the back of the chain
 * and remove data from the front.
 *
 * You may also prepend data into the headroom of the first buffer in the
 * chain, if any.
 */
class IOBufQueue { … };

} // namespace folly