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roll back meta comp (did it wrong) and enable data comp

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Green Sky 2024-04-01 17:57:14 +02:00
parent c737715c66
commit 6d150ba441
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1 changed files with 60 additions and 57 deletions
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113
src/fragment_store/fragment_store.cpp
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@ -270,22 +270,23 @@ bool FragmentStore::syncToStorage(FragmentID fid, std::function<write_to_storage
} }
} else { } else {
// we cant have encryption or compression // we cant have encryption or compression
// so we force NONE for TEXT JSON
// TODO: warning/error?
// TODO: forcing for testing
//if (_reg.all_of<Components::Ephemeral::MetaEncryptionType>(fid)) {
_reg.emplace_or_replace<FragComp::Ephemeral::MetaEncryptionType>(fid, Encryption::NONE); _reg.emplace_or_replace<FragComp::Ephemeral::MetaEncryptionType>(fid, Encryption::NONE);
//}
//if (_reg.all_of<Components::Ephemeral::MetaCompressionType>(fid)) {
_reg.emplace_or_replace<FragComp::Ephemeral::MetaCompressionType>(fid, Compression::NONE); _reg.emplace_or_replace<FragComp::Ephemeral::MetaCompressionType>(fid, Compression::NONE);
//}
} }
std::filesystem::path meta_tmp_path = _reg.get<FragComp::Ephemeral::FilePath>(fid).path + ".meta" + metaFileTypeSuffix(meta_type) + ".tmp"; std::filesystem::path meta_tmp_path = _reg.get<FragComp::Ephemeral::FilePath>(fid).path + ".meta" + metaFileTypeSuffix(meta_type) + ".tmp";
meta_tmp_path.replace_filename("." + meta_tmp_path.filename().generic_u8string()); meta_tmp_path.replace_filename("." + meta_tmp_path.filename().generic_u8string());
auto meta_file_stack = buildFileStackWrite(std::string_view{meta_tmp_path.generic_u8string()}, meta_enc, meta_comp); // TODO: make meta comp work with mem compressor
//meta_file_stack.push(std::make_unique<File2WFile>(std::string_view{meta_tmp_path.generic_u8string()}, true)); //auto meta_file_stack = buildFileStackWrite(std::string_view{meta_tmp_path.generic_u8string()}, meta_enc, meta_comp);
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()}));
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";
@ -293,20 +294,19 @@ bool FragmentStore::syncToStorage(FragmentID fid, std::function<write_to_storage
return false; return false;
} }
Encryption data_enc = Encryption::NONE; // TODO: better defaults
Compression data_comp = Compression::NONE; // TODO: better defaults Compression data_comp = Compression::NONE; // TODO: better defaults
if (_reg.all_of<FragComp::DataEncryptionType>(fid)) {
data_enc = _reg.get<FragComp::DataEncryptionType>(fid).enc;
}
if (_reg.all_of<FragComp::DataCompressionType>(fid)) { if (_reg.all_of<FragComp::DataCompressionType>(fid)) {
data_comp = _reg.get<FragComp::DataCompressionType>(fid).comp; data_comp = _reg.get<FragComp::DataCompressionType>(fid).comp;
} }
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());
std::ofstream data_file{ auto data_file_stack = buildFileStackWrite(std::string_view{data_tmp_path.generic_u8string()}, data_enc, data_comp);
data_tmp_path, if (!data_file_stack.empty()) {
std::ios::out | std::ios::trunc | std::ios::binary // always binary, also for text
};
if (!data_file.is_open()) {
//meta_file.close();
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\n";
@ -386,8 +386,10 @@ bool FragmentStore::syncToStorage(FragmentID fid, std::function<write_to_storage
} }
// now data // now data
if (data_comp == Compression::NONE) { //if (data_comp == Compression::NONE) {
std::array<uint8_t, 1024> buffer; // for zstd compression, chunk size is frame size. (no cross frame referencing)
static constexpr int64_t chunk_size{1024*1024*10};
std::array<uint8_t, chunk_size> buffer;
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());
@ -399,56 +401,57 @@ bool FragmentStore::syncToStorage(FragmentID fid, std::function<write_to_storage
break; break;
} }
data_file.write(reinterpret_cast<const char*>(buffer.data()), buffer_actual_size); data_file_stack.top()->write({buffer.data(), buffer_actual_size});
} while (buffer_actual_size == buffer.size()); } while (buffer_actual_size == buffer.size());
} else if (data_comp == Compression::ZSTD) { //} else if (data_comp == Compression::ZSTD) {
std::vector<uint8_t> buffer(ZSTD_CStreamInSize()); //std::vector<uint8_t> buffer(ZSTD_CStreamInSize());
std::vector<uint8_t> compressed_buffer(ZSTD_CStreamOutSize()); //std::vector<uint8_t> compressed_buffer(ZSTD_CStreamOutSize());
uint64_t buffer_actual_size {0}; //uint64_t buffer_actual_size {0};
std::unique_ptr<ZSTD_CCtx, decltype(&ZSTD_freeCCtx)> cctx{ZSTD_createCCtx(), &ZSTD_freeCCtx}; //std::unique_ptr<ZSTD_CCtx, decltype(&ZSTD_freeCCtx)> cctx{ZSTD_createCCtx(), &ZSTD_freeCCtx};
ZSTD_CCtx_setParameter(cctx.get(), ZSTD_c_compressionLevel, 0); // default (3) //ZSTD_CCtx_setParameter(cctx.get(), ZSTD_c_compressionLevel, 0); // default (3)
ZSTD_CCtx_setParameter(cctx.get(), ZSTD_c_checksumFlag, 1); // add extra checksums (to frames?) //ZSTD_CCtx_setParameter(cctx.get(), ZSTD_c_checksumFlag, 1); // add extra checksums (to frames?)
do { //do {
buffer_actual_size = data_cb(buffer.data(), buffer.size()); //buffer_actual_size = data_cb(buffer.data(), buffer.size());
//if (buffer_actual_size == 0) { ////if (buffer_actual_size == 0) {
////break;
////}
//if (buffer_actual_size > buffer.size()) {
//// wtf
//break; //break;
//} //}
if (buffer_actual_size > buffer.size()) { //bool const lastChunk = (buffer_actual_size < buffer.size());
// wtf
break;
}
bool const lastChunk = (buffer_actual_size < buffer.size());
ZSTD_EndDirective const mode = lastChunk ? ZSTD_e_end : ZSTD_e_continue; //ZSTD_EndDirective const mode = lastChunk ? ZSTD_e_end : ZSTD_e_continue;
ZSTD_inBuffer input = { buffer.data(), buffer_actual_size, 0 }; //ZSTD_inBuffer input = { buffer.data(), buffer_actual_size, 0 };
while (input.pos < input.size) { //while (input.pos < input.size) {
ZSTD_outBuffer output = { compressed_buffer.data(), compressed_buffer.size(), 0 }; //ZSTD_outBuffer output = { compressed_buffer.data(), compressed_buffer.size(), 0 };
size_t const remaining = ZSTD_compressStream2(cctx.get(), &output , &input, mode); //size_t const remaining = ZSTD_compressStream2(cctx.get(), &output , &input, mode);
if (ZSTD_isError(remaining)) { //if (ZSTD_isError(remaining)) {
std::cerr << "FS error: compressing data failed\n"; //std::cerr << "FS error: compressing data failed\n";
break; //break;
} //}
data_file.write(reinterpret_cast<const char*>(compressed_buffer.data()), output.pos); //data_file.write(reinterpret_cast<const char*>(compressed_buffer.data()), output.pos);
if (remaining == 0) { //if (remaining == 0) {
break; //break;
} //}
} //}
// same as if lastChunk break; //// same as if lastChunk break;
} while (buffer_actual_size == buffer.size()); //} while (buffer_actual_size == buffer.size());
} else { //} else {
assert(false && "implement me"); //assert(false && "implement me");
} //}
//meta_file.flush(); //meta_file.flush();
//meta_file.close(); //meta_file.close();
while (!meta_file_stack.empty()) { meta_file_stack.pop(); } // destroy stack // TODO: maybe work with scope? while (!meta_file_stack.empty()) { meta_file_stack.pop(); } // destroy stack // TODO: maybe work with scope?
data_file.flush(); //data_file.flush();
data_file.close(); //data_file.close();
while (!data_file_stack.empty()) { data_file_stack.pop(); } // destroy stack // TODO: maybe work with scope?
std::filesystem::rename( std::filesystem::rename(
meta_tmp_path, meta_tmp_path,