mirror of
https://github.com/facebook/sapling.git
synced 2024-12-26 06:21:48 +03:00
ab3a7cb21f
Summary: In preparation for merging fb-mercurial sources to the Eden repository, move everything from the top-level directory into an `eden/scm` subdirectory.
74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#include "HgNativeBackingStore.h"
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#include <folly/Optional.h>
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#include <folly/Range.h>
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#include <folly/io/IOBuf.h>
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#include <folly/logging/xlog.h>
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#include <memory>
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#include <stdexcept>
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namespace facebook {
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namespace eden {
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HgNativeBackingStore::HgNativeBackingStore(folly::StringPiece repository) {
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RustCFallible<RustBackingStore> store(
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rust_backingstore_new(repository.data(), repository.size()),
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rust_backingstore_free);
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if (store.isError()) {
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throw std::runtime_error(store.getError());
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}
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store_ = store.unwrap();
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}
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folly::Optional<folly::IOBuf> HgNativeBackingStore::getBlob(
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folly::ByteRange name,
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folly::ByteRange node) {
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RustCFallible<RustCBytes> result(
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rust_backingstore_get_blob(
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store_.get(), name.data(), name.size(), node.data(), node.size()),
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rust_cbytes_free);
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if (result.isError()) {
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XLOG(DBG5) << "Error while getting blob name=" << name.data()
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<< " node=" << folly::hexlify(node)
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<< " from backingstore: " << result.getError();
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return folly::none;
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}
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auto buffer = result.get();
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auto iobuf =
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folly::IOBuf{folly::IOBuf::COPY_BUFFER, buffer->ptr, buffer->len};
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return iobuf;
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}
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folly::Optional<folly::IOBuf> HgNativeBackingStore::getTree(
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folly::ByteRange name,
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folly::ByteRange node) {
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RustCFallible<RustCBytes> result(
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rust_backingstore_get_tree(
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store_.get(), name.data(), name.size(), node.data(), node.size()),
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rust_cbytes_free);
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if (result.isError()) {
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XLOG(DBG5) << "Error while getting tree name=" << name.data()
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<< " node=" << folly::hexlify(node)
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<< " from backingstore: " << result.getError();
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return folly::none;
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}
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auto buffer = result.get();
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auto iobuf =
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folly::IOBuf{folly::IOBuf::COPY_BUFFER, buffer->ptr, buffer->len};
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return iobuf;
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}
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} // namespace eden
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} // namespace facebook
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