[ox/fs] FileSystem fixes with removing files

This commit is contained in:
Gary Talent 2025-01-18 22:31:19 -06:00
parent 7eb37c5318
commit 66229de77f
4 changed files with 36 additions and 46 deletions

View File

@ -63,18 +63,6 @@ Error FileSystem::read(const FileAddress &addr, std::size_t readStart, std::size
}
}
Error FileSystem::remove(const FileAddress &addr, bool recursive) noexcept {
switch (addr.type()) {
case FileAddressType::Inode:
return remove(addr.getInode().value, recursive);
case FileAddressType::ConstPath:
case FileAddressType::Path:
return remove(StringView(addr.getPath().value), recursive);
default:
return ox::Error(1);
}
}
Error FileSystem::write(const FileAddress &addr, const void *buffer, uint64_t size, FileType fileType) noexcept {
switch (addr.type()) {
case FileAddressType::Inode:

View File

@ -57,9 +57,9 @@ class FileSystem {
virtual Result<Vector<String>> ls(StringViewCR dir) const noexcept = 0;
virtual Error remove(StringViewCR path, bool recursive) noexcept = 0;
Error remove(const FileAddress &addr, bool recursive = false) noexcept;
Error remove(StringViewCR path, bool recursive = false) noexcept {
return removePath(path, recursive);
}
virtual Error resize(uint64_t size, void *buffer) noexcept = 0;
@ -142,6 +142,8 @@ class FileSystem {
virtual Error readFileInodeRange(uint64_t inode, std::size_t readStart, std::size_t readSize, void *buffer, std::size_t *size) noexcept = 0;
virtual Error removePath(StringViewCR path, bool recursive) noexcept = 0;
virtual Error writeFilePath(StringViewCR path, const void *buffer, uint64_t size, FileType fileType) noexcept = 0;
virtual Error writeFileInode(uint64_t inode, const void *buffer, uint64_t size, FileType fileType) noexcept = 0;
@ -209,6 +211,8 @@ class FileSystemTemplate: public MemFS {
Error readFileInodeRange(uint64_t inode, std::size_t readStart, std::size_t readSize, void *buffer, std::size_t *size) noexcept override;
Error removePath(StringViewCR path, bool recursive) noexcept override;
Result<const char*> directAccessInode(uint64_t) const noexcept override;
Result<Vector<String>> ls(StringViewCR dir) const noexcept override;
@ -216,8 +220,6 @@ class FileSystemTemplate: public MemFS {
template<typename F>
Error ls(StringViewCR path, F cb) const;
Error remove(StringViewCR path, bool recursive) noexcept override;
/**
* Resizes FileSystem to minimum possible size.
*/
@ -356,6 +358,25 @@ Error FileSystemTemplate<FileStore, Directory>::readFileInodeRange(uint64_t inod
return m_fs.read(inode, readStart, readSize, reinterpret_cast<uint8_t*>(buffer), size);
}
template<typename FileStore, typename Directory>
Error FileSystemTemplate<FileStore, Directory>::removePath(StringViewCR path, bool recursive) noexcept {
OX_REQUIRE(fd, fileSystemData());
Directory rootDir(m_fs, fd.rootDirInode);
OX_REQUIRE(inode, rootDir.find(path));
OX_REQUIRE(st, statInode(inode));
if (st.fileType == FileType::NormalFile || recursive) {
if (auto err = rootDir.remove(path)) {
// removal failed, try putting the index back
oxLogError(rootDir.write(path, inode));
return err;
}
} else {
oxTrace("FileSystemTemplate.remove.fail", "Tried to remove directory without recursive setting.");
return ox::Error(1);
}
return ox::Error(0);
}
template<typename FileStore, typename Directory>
Result<const char*> FileSystemTemplate<FileStore, Directory>::directAccessInode(uint64_t inode) const noexcept {
auto data = m_fs.read(inode);
@ -384,25 +405,6 @@ Error FileSystemTemplate<FileStore, Directory>::ls(StringViewCR path, F cb) cons
return dir.ls(cb);
}
template<typename FileStore, typename Directory>
Error FileSystemTemplate<FileStore, Directory>::remove(StringViewCR path, bool recursive) noexcept {
OX_REQUIRE(fd, fileSystemData());
Directory rootDir(m_fs, fd.rootDirInode);
OX_REQUIRE(inode, rootDir.find(path));
OX_REQUIRE(st, statInode(inode));
if (st.fileType == FileType::NormalFile || recursive) {
if (auto err = rootDir.remove(path)) {
// removal failed, try putting the index back
oxLogError(rootDir.write(path, inode));
return err;
}
} else {
oxTrace("FileSystemTemplate.remove.fail", "Tried to remove directory without recursive setting.");
return ox::Error(1);
}
return ox::Error(0);
}
template<typename FileStore, typename Directory>
Error FileSystemTemplate<FileStore, Directory>::resize() noexcept {
return m_fs.resize();

View File

@ -75,14 +75,6 @@ Result<Vector<String>> PassThroughFS::ls(StringViewCR dir) const noexcept {
return out;
}
Error PassThroughFS::remove(StringViewCR path, bool recursive) noexcept {
if (recursive) {
return ox::Error(std::filesystem::remove_all(m_path / stripSlash(path)) != 0);
} else {
return ox::Error(std::filesystem::remove(m_path / stripSlash(path)) != 0);
}
}
Error PassThroughFS::resize(uint64_t, void*) noexcept {
// unsupported
return ox::Error(1, "resize is not supported by PassThroughFS");
@ -167,6 +159,14 @@ Error PassThroughFS::readFileInodeRange(uint64_t, std::size_t, std::size_t, void
return ox::Error(1, "read(uint64_t, std::size_t, std::size_t, void*, std::size_t*) is not supported by PassThroughFS");
}
Error PassThroughFS::removePath(StringViewCR path, bool const recursive) noexcept {
if (recursive) {
return ox::Error{std::filesystem::remove_all(m_path / stripSlash(path)) == 0};
} else {
return ox::Error{!std::filesystem::remove(m_path / stripSlash(path))};
}
}
Error PassThroughFS::writeFilePath(StringViewCR path, const void *buffer, uint64_t size, FileType) noexcept {
const auto p = (m_path / stripSlash(path));
try {

View File

@ -45,8 +45,6 @@ class PassThroughFS: public FileSystem {
template<typename F>
Error ls(StringViewCR dir, F cb) const noexcept;
Error remove(StringViewCR path, bool recursive) noexcept override;
Error resize(uint64_t size, void *buffer) noexcept override;
Result<FileStat> statInode(uint64_t inode) const noexcept override;
@ -75,6 +73,8 @@ class PassThroughFS: public FileSystem {
Error readFileInodeRange(uint64_t inode, std::size_t readStart, std::size_t readSize, void *buffer, std::size_t *size) noexcept override;
Error removePath(StringViewCR path, bool recursive) noexcept override;
Error writeFilePath(StringViewCR path, const void *buffer, uint64_t size, FileType fileType) noexcept override;
Error writeFileInode(uint64_t inode, const void *buffer, uint64_t size, FileType fileType) noexcept override;