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https://github.com/facebook/sapling.git
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bfcf4c574a
Summary: Move everything in the `facebook::eden::fusell` namespace to `facebook::eden` Reviewed By: chadaustin Differential Revision: D7314458 fbshipit-source-id: db56d3e5fb898235e1376ac76077cf780d9b4698
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
/*
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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#include "eden/fs/fuse/BufVec.h"
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namespace facebook {
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namespace eden {
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BufVec::Buf::Buf(std::unique_ptr<folly::IOBuf> buf) : buf(std::move(buf)) {}
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BufVec::BufVec(std::unique_ptr<folly::IOBuf> buf) {
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items_.emplace_back(std::make_shared<Buf>(std::move(buf)));
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}
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folly::fbvector<struct iovec> BufVec::getIov() const {
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folly::fbvector<struct iovec> vec;
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for (const auto& b : items_) {
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DCHECK(b->fd == -1) << "we don't support splicing yet";
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b->buf->appendToIov(&vec);
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}
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return vec;
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}
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size_t BufVec::size() const {
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size_t total = 0;
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for (const auto& b : items_) {
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total += b->buf->computeChainDataLength();
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}
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return total;
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}
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std::string BufVec::copyData() const {
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std::string rv;
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rv.reserve(size());
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for (const auto& b : items_) {
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DCHECK(b->fd == -1) << "we don't support splicing yet";
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const auto* buf = b->buf.get();
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do {
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rv.append(reinterpret_cast<const char*>(buf->data()), buf->length());
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buf = buf->next();
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} while (buf != b->buf.get());
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}
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return rv;
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}
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} // namespace eden
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} // namespace facebook
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