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[ox/fs] Cleanup error handling

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This commit is contained in:
Gary Talent 2021-05-08 22:40:59 -05:00
parent b3fb724ae7
commit 6845ff38de
1 changed files with 21 additions and 33 deletions
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54
deps/ox/src/ox/fs/filesystem/filesystem.hpp vendored
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@ -221,18 +221,15 @@ Error FileSystemTemplate<FileStore, Directory>::format(void *buff, uint64_t buff
template<typename FileStore, typename Directory>
Error FileSystemTemplate<FileStore, Directory>::mkdir(const char *path, bool recursive) noexcept {
oxTrace("ox::fs::FileSystemTemplate::mkdir") << "path:" << path << "recursive:" << recursive;
auto rootDir = this->rootDir();
oxReturnError(rootDir.error);
return rootDir.value.mkdir(path, recursive);
oxRequireM(rootDir, this->rootDir());
return rootDir.mkdir(path, recursive);
}
template<typename FileStore, typename Directory>
Error FileSystemTemplate<FileStore, Directory>::move(const char *src, const char *dest) noexcept {
auto fd = fileSystemData();
oxReturnError(fd.error);
Directory rootDir(m_fs, fd.value.rootDirInode);
auto [inode, err] = rootDir.find(src);
oxReturnError(err);
oxRequire(fd, fileSystemData());
Directory rootDir(m_fs, fd.rootDirInode);
oxRequireM(inode, rootDir.find(src));
oxReturnError(rootDir.write(dest, inode));
oxReturnError(rootDir.remove(src));
return OxError(0);
@ -240,21 +237,17 @@ Error FileSystemTemplate<FileStore, Directory>::move(const char *src, const char
template<typename FileStore, typename Directory>
Error FileSystemTemplate<FileStore, Directory>::read(const char *path, void *buffer, std::size_t buffSize) noexcept {
auto fd = fileSystemData();
oxReturnError(fd.error);
Directory rootDir(m_fs, fd.value.rootDirInode);
auto [inode, err] = rootDir.find(path);
oxReturnError(err);
oxRequire(fd, fileSystemData());
Directory rootDir(m_fs, fd.rootDirInode);
oxRequire(inode, rootDir.find(path));
return read(inode, buffer, buffSize);
}
template<typename FileStore, typename Directory>
Result<const char*> FileSystemTemplate<FileStore, Directory>::directAccess(const char *path) noexcept {
auto fd = fileSystemData();
oxReturnError(fd.error);
Directory rootDir(m_fs, fd.value.rootDirInode);
auto [inode, err] = rootDir.find(path);
oxReturnError(err);
oxRequire(fd, fileSystemData());
Directory rootDir(m_fs, fd.rootDirInode);
oxRequire(inode, rootDir.find(path));
return directAccess(inode);
}
@ -290,26 +283,22 @@ Result<Vector<String>> FileSystemTemplate<FileStore, Directory>::ls(const char *
template<typename FileStore, typename Directory>
template<typename F>
Error FileSystemTemplate<FileStore, Directory>::ls(const char *path, F cb) {
oxTrace("ox::FileSystemTemplate::ls") << "path:" << path;
auto [s, err] = stat(path);
oxReturnError(err);
oxTrace("ox::fs::FileSystemTemplate::ls") << "path:" << path;
oxRequire(s, stat(path));
Directory dir(m_fs, s.inode);
return dir.ls(cb);
}
template<typename FileStore, typename Directory>
Error FileSystemTemplate<FileStore, Directory>::remove(const char *path, bool recursive) noexcept {
auto fd = fileSystemData();
oxReturnError(fd.error);
Directory rootDir(m_fs, fd.value.rootDirInode);
auto inode = rootDir.find(path);
oxReturnError(inode.error);
auto st = stat(inode.value);
oxReturnError(st.error);
if (st.value.fileType == FileType_NormalFile || recursive) {
oxRequire(fd, fileSystemData());
Directory rootDir(m_fs, fd.rootDirInode);
oxRequire(inode, rootDir.find(path));
oxRequire(st, stat(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.value));
oxLogError(rootDir.write(path, inode));
return err;
}
} else {
@ -337,9 +326,8 @@ Error FileSystemTemplate<FileStore, Directory>::write(const char *path, void *bu
oxRequire(generatedId, m_fs.generateInodeId());
inode = generatedId;
}
auto rootDir = this->rootDir();
oxReturnError(rootDir.error);
oxReturnError(rootDir.value.write(path, inode));
oxRequireM(rootDir, this->rootDir());
oxReturnError(rootDir.write(path, inode));
oxReturnError(write(inode, buffer, size, fileType));
return OxError(0);
}