fix stack overflow (i am stupid) and some file stack error handling

This commit is contained in:
Green Sky 2024-04-02 18:01:29 +02:00
parent 84bd24807d
commit 53ce292e82
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@ -283,11 +283,6 @@ bool FragmentStore::syncToStorage(FragmentID fid, std::function<write_to_storage
std::stack<std::unique_ptr<File2I>> meta_file_stack; std::stack<std::unique_ptr<File2I>> meta_file_stack;
meta_file_stack.push(std::make_unique<File2WFile>(std::string_view{meta_tmp_path.generic_u8string()})); meta_file_stack.push(std::make_unique<File2WFile>(std::string_view{meta_tmp_path.generic_u8string()}));
if (!meta_file_stack.top()->isGood()) {
std::cerr << "FS error: opening file for writing '" << meta_tmp_path << "'\n";
return {};
}
if (meta_file_stack.empty()) { if (meta_file_stack.empty()) {
std::cerr << "FS error: failed to create temporary meta file stack\n"; std::cerr << "FS error: failed to create temporary meta file stack\n";
std::filesystem::remove(meta_tmp_path); // might have created an empty file std::filesystem::remove(meta_tmp_path); // might have created an empty file
@ -306,10 +301,10 @@ bool FragmentStore::syncToStorage(FragmentID fid, std::function<write_to_storage
std::filesystem::path data_tmp_path = _reg.get<FragComp::Ephemeral::FilePath>(fid).path + ".tmp"; std::filesystem::path data_tmp_path = _reg.get<FragComp::Ephemeral::FilePath>(fid).path + ".tmp";
data_tmp_path.replace_filename("." + data_tmp_path.filename().generic_u8string()); data_tmp_path.replace_filename("." + data_tmp_path.filename().generic_u8string());
auto data_file_stack = buildFileStackWrite(std::string_view{data_tmp_path.generic_u8string()}, data_enc, data_comp); auto data_file_stack = buildFileStackWrite(std::string_view{data_tmp_path.generic_u8string()}, data_enc, data_comp);
if (!data_file_stack.empty()) { if (data_file_stack.empty()) {
while (!meta_file_stack.empty()) { meta_file_stack.pop(); } while (!meta_file_stack.empty()) { meta_file_stack.pop(); }
std::filesystem::remove(meta_tmp_path); std::filesystem::remove(meta_tmp_path);
std::cerr << "FS error: failed to create temporary data file\n"; std::cerr << "FS error: failed to create temporary data file stack\n";
return false; return false;
} }
@ -389,7 +384,7 @@ bool FragmentStore::syncToStorage(FragmentID fid, std::function<write_to_storage
//if (data_comp == Compression::NONE) { //if (data_comp == Compression::NONE) {
// for zstd compression, chunk size is frame size. (no cross frame referencing) // for zstd compression, chunk size is frame size. (no cross frame referencing)
static constexpr int64_t chunk_size{1024*1024*10}; static constexpr int64_t chunk_size{1024*1024*10};
std::array<uint8_t, chunk_size> buffer; std::vector<uint8_t> buffer(chunk_size);
uint64_t buffer_actual_size {0}; uint64_t buffer_actual_size {0};
do { do {
buffer_actual_size = data_cb(buffer.data(), buffer.size()); buffer_actual_size = data_cb(buffer.data(), buffer.size());