mirror of
https://github.com/facebook/sapling.git
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a29d465ee8
Summary: With Facebook having been renamed Meta Platforms, we need to change the license headers. Reviewed By: fanzeyi Differential Revision: D33407812 fbshipit-source-id: b11bfbbf13a48873f0cea75f212cc7b07a68fb2e
139 lines
4.2 KiB
C++
139 lines
4.2 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and 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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#pragma once
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#include "eden/fs/fuse/FuseDispatcher.h"
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namespace facebook::eden {
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class EdenMount;
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class InodeMap;
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/**
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* Implement the FuseDispatcher interface.
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*
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* For unsupported operations, the corresponding methods are explicitly not
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* overridden and will directly fail in FuseDispatcher.
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*/
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class FuseDispatcherImpl : public FuseDispatcher {
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public:
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explicit FuseDispatcherImpl(EdenMount* mount);
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ImmediateFuture<struct fuse_kstatfs> statfs(InodeNumber ino) override;
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ImmediateFuture<Attr> getattr(InodeNumber ino, ObjectFetchContext& context)
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override;
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ImmediateFuture<Attr> setattr(
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InodeNumber ino,
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const fuse_setattr_in& attr,
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ObjectFetchContext& context) override;
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ImmediateFuture<uint64_t> opendir(InodeNumber ino, int flags) override;
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ImmediateFuture<folly::Unit> releasedir(InodeNumber ino, uint64_t fh)
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override;
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ImmediateFuture<fuse_entry_out> lookup(
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uint64_t requestID,
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InodeNumber parent,
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PathComponentPiece name,
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ObjectFetchContext& context) override;
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void forget(InodeNumber ino, unsigned long nlookup) override;
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ImmediateFuture<uint64_t> open(InodeNumber ino, int flags) override;
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ImmediateFuture<std::string> readlink(
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InodeNumber ino,
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bool kernelCachesReadlink,
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ObjectFetchContext& context) override;
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ImmediateFuture<fuse_entry_out> mknod(
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InodeNumber parent,
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PathComponentPiece name,
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mode_t mode,
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dev_t rdev,
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ObjectFetchContext& context) override;
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ImmediateFuture<fuse_entry_out> mkdir(
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InodeNumber parent,
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PathComponentPiece name,
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mode_t mode,
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ObjectFetchContext& context) override;
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ImmediateFuture<folly::Unit> unlink(
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InodeNumber parent,
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PathComponentPiece name,
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ObjectFetchContext& context) override;
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ImmediateFuture<folly::Unit> rmdir(
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InodeNumber parent,
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PathComponentPiece name,
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ObjectFetchContext& context) override;
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ImmediateFuture<fuse_entry_out> symlink(
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InodeNumber parent,
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PathComponentPiece name,
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folly::StringPiece link,
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ObjectFetchContext& context) override;
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ImmediateFuture<folly::Unit> rename(
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InodeNumber parent,
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PathComponentPiece name,
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InodeNumber newparent,
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PathComponentPiece newname,
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ObjectFetchContext& context) override;
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ImmediateFuture<fuse_entry_out> link(
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InodeNumber ino,
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InodeNumber newparent,
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PathComponentPiece newname) override;
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ImmediateFuture<fuse_entry_out> create(
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InodeNumber parent,
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PathComponentPiece name,
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mode_t mode,
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int flags,
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ObjectFetchContext& context) override;
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ImmediateFuture<BufVec> read(
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InodeNumber ino,
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size_t size,
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off_t off,
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ObjectFetchContext& context) override;
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ImmediateFuture<size_t> write(
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InodeNumber ino,
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folly::StringPiece data,
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off_t off,
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ObjectFetchContext& context) override;
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ImmediateFuture<folly::Unit> flush(InodeNumber ino, uint64_t lock_owner)
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override;
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ImmediateFuture<folly::Unit> fallocate(
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InodeNumber ino,
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uint64_t offset,
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uint64_t length,
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ObjectFetchContext& context) override;
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ImmediateFuture<folly::Unit> fsync(InodeNumber ino, bool datasync) override;
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ImmediateFuture<folly::Unit> fsyncdir(InodeNumber ino, bool datasync)
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override;
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ImmediateFuture<FuseDirList> readdir(
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InodeNumber ino,
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FuseDirList&& dirList,
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off_t offset,
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uint64_t fh,
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ObjectFetchContext& context) override;
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ImmediateFuture<std::string> getxattr(
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InodeNumber ino,
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folly::StringPiece name,
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ObjectFetchContext& context) override;
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ImmediateFuture<std::vector<std::string>> listxattr(InodeNumber ino) override;
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private:
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// The EdenMount associated with this dispatcher.
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EdenMount* const mount_;
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// The EdenMount's InodeMap.
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// We store this pointer purely for convenience. We need it on pretty much
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// every FUSE request, and having it locally avoids having to dereference
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// mount_ first.
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InodeMap* const inodeMap_;
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};
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} // namespace facebook::eden
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