sapling/eden/fs/fuse/BufVec.cpp

/*
 *  Copyright (c) 2016-present, Facebook, Inc.
 *  All rights reserved.
 *
 *  This source code is licensed under the BSD-style license found in the
 *  LICENSE file in the root directory of this source tree. An additional grant
 *  of patent rights can be found in the PATENTS file in the same directory.
 *
 */
#include "BufVec.h"

namespace facebook {
namespace eden {
namespace fusell {

BufVec::Buf::Buf(std::unique_ptr<folly::IOBuf> buf) : buf(std::move(buf)) {}

BufVec::BufVec(std::unique_ptr<folly::IOBuf> buf) {
  items_.emplace_back(std::make_shared<Buf>(std::move(buf)));
}

folly::fbvector<struct iovec> BufVec::getIov() const {
  folly::fbvector<struct iovec> vec;

  for (const auto& b : items_) {
    DCHECK(b->fd == -1) << "we don't support splicing yet";
    b->buf->appendToIov(&vec);
  }

  return vec;
}
}
}
}