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Return better fuse errors

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This commit is contained in:
Sebastian Messmer 2015-09-30 14:27:29 +02:00
parent 752be4415c
commit 37f7c764d1
1 changed files with 9 additions and 4 deletions
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13
src/filesystem/CryDevice.cpp
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@ -83,22 +83,27 @@ optional<unique_ref<fspp::Node>> CryDevice::Load(const bf::path &path) {
unique_ref<DirBlob> CryDevice::LoadDirBlob(const bf::path &path) {
auto blob = LoadBlob(path);
auto dir = dynamic_pointer_move<DirBlob>(blob);
ASSERT(dir != none, "Loaded blob is not a directory");
if (dir == none) {
throw FuseErrnoException(ENOTDIR); // Loaded blob is not a directory
}
return std::move(*dir);
}
unique_ref<FsBlob> CryDevice::LoadBlob(const bf::path &path) {
auto currentBlob = _fsBlobStore->load(_rootKey);
//TODO Return correct fuse error
ASSERT(currentBlob != none, "rootDir not found");
for (const bf::path &component : path.relative_path()) {
auto currentDir = dynamic_pointer_move<DirBlob>(*currentBlob);
ASSERT(currentDir != none, "Path component is not a dir");
if (currentDir == none) {
throw FuseErrnoException(ENOTDIR); // Path component is not a dir
}
Key childKey = (*currentDir)->GetChild(component.c_str()).key;
currentBlob = _fsBlobStore->load(childKey);
ASSERT(currentBlob != none, "Blob for directory entry not found");
if (currentBlob == none) {
throw FuseErrnoException(ENOENT); // Blob for directory entry not found
}
}
return std::move(*currentBlob);