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[VictoriaFalls] Add a get directory ipc call for victoria falls.

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This commit is contained in:
Drew Galbraith 2023-11-26 14:48:01 -08:00
parent 7d7cb8024c
commit d0a3bf3936
9 changed files with 263 additions and 0 deletions
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45
sys/victoriafalls/victoriafalls_server.cpp
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@ -63,3 +63,48 @@ glcr::ErrorCode VFSServer::HandleOpenFile(const OpenFileRequest& request,
response.set_size(inode->size);
return glcr::OK;
}
glcr::ErrorCode VFSServer::HandleGetDirectory(
const GetDirectoryRequest& request, Directory& response) {
auto path_tokens = glcr::StrSplit(request.path(), '/');
if (path_tokens.at(0) != "") {
return glcr::INVALID_ARGUMENT;
}
// If there is a trailing slash we can get rid of the empty string.
if (path_tokens.at(path_tokens.size() - 1) == "") {
path_tokens.PopBack();
}
ASSIGN_OR_RETURN(auto files, driver_.ReadDirectory(2));
for (uint64_t i = 1; i < path_tokens.size(); i++) {
bool found_token = false;
for (uint64_t j = 0; j < files.size() && !found_token; j++) {
if (path_tokens.at(i) ==
glcr::StringView(files.at(j).name, files.at(j).name_len)) {
ASSIGN_OR_RETURN(files, driver_.ReadDirectory(files.at(j).inode));
found_token = true;
}
}
if (!found_token) {
dbgln("Directory '{}' not found.",
glcr::String(path_tokens.at(i)).cstr());
return glcr::NOT_FOUND;
}
}
glcr::VariableStringBuilder filelist;
for (uint64_t i = 0; i < files.size(); i++) {
filelist.PushBack(glcr::StringView(files.at(i).name, files.at(i).name_len));
filelist.PushBack(',');
}
// Remove trailing comma.
if (filelist.size() > 0) {
filelist.DeleteLast();
}
response.set_filenames(filelist.ToString());
return glcr::OK;
}