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feat: finish storage helper functions.

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- finish IO read and write function for binstore storage.
- refactor binstore ByteArray.
This commit is contained in:
yyc12345
2025-12-12 22:23:56 +08:00
parent f49d974a46
commit 6c9e23f628
4 changed files with 99 additions and 26 deletions
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36
src/yycc/carton/binstore/serializer.hpp
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@@ -61,15 +61,15 @@ namespace yycc::carton::binstore::serializer {
if (value > TMax || value < TMin) return std::nullopt;
NS_YYCC_BINSTORE_TYPES::ByteArray ba;
ba.ResizeData(VALUE_SIZE);
std::memcpy(ba.GetDataPtr(), &value, VALUE_SIZE);
ba.resize_data(VALUE_SIZE);
std::memcpy(ba.get_data_ptr(), &value, VALUE_SIZE);
return ba;
}
std::optional<ValueType> deserialize(const NS_YYCC_BINSTORE_TYPES::ByteArray& ba) const {
if (ba.GetDataSize() != VALUE_SIZE) return std::nullopt;
if (ba.get_data_size() != VALUE_SIZE) return std::nullopt;
ValueType value;
std::memcpy(&value, ba.GetDataPtr(), VALUE_SIZE);
std::memcpy(&value, ba.get_data_ptr(), VALUE_SIZE);
if (value > TMax || value < TMin) return std::nullopt;
return value;
@@ -103,16 +103,16 @@ namespace yycc::carton::binstore::serializer {
if (value > TMax || value < TMin) return std::nullopt;
NS_YYCC_BINSTORE_TYPES::ByteArray ba;
ba.ResizeData(VALUE_SIZE);
std::memcpy(ba.GetDataPtr(), &value, VALUE_SIZE);
ba.resize_data(VALUE_SIZE);
std::memcpy(ba.get_data_ptr(), &value, VALUE_SIZE);
return ba;
}
std::optional<ValueType> deserialize(const NS_YYCC_BINSTORE_TYPES::ByteArray& ba) const {
if (ba.GetDataSize() != VALUE_SIZE) return std::nullopt;
if (ba.get_data_size() != VALUE_SIZE) return std::nullopt;
ValueType value;
std::memcpy(&value, ba.GetDataPtr(), VALUE_SIZE);
std::memcpy(&value, ba.get_data_ptr(), VALUE_SIZE);
if (value > TMax || value < TMin) return std::nullopt;
return value;
}
@@ -130,16 +130,16 @@ namespace yycc::carton::binstore::serializer {
std::optional<NS_YYCC_BINSTORE_TYPES::ByteArray> serialize(const ValueType& value) const {
NS_YYCC_BINSTORE_TYPES::ByteArray ba;
ba.ResizeData(VALUE_SIZE);
std::memcpy(ba.GetDataPtr(), &value, VALUE_SIZE);
ba.resize_data(VALUE_SIZE);
std::memcpy(ba.get_data_ptr(), &value, VALUE_SIZE);
return ba;
}
std::optional<ValueType> deserialize(const NS_YYCC_BINSTORE_TYPES::ByteArray& ba) const {
if (ba.GetDataSize() != VALUE_SIZE) return std::nullopt;
if (ba.get_data_size() != VALUE_SIZE) return std::nullopt;
ValueType value;
std::memcpy(&value, ba.GetDataPtr(), VALUE_SIZE);
std::memcpy(&value, ba.get_data_ptr(), VALUE_SIZE);
return value;
}
@@ -160,12 +160,12 @@ namespace yycc::carton::binstore::serializer {
// Prepare byte array and allocate size.
NS_YYCC_BINSTORE_TYPES::ByteArray ba;
ba.ResizeData(HEADER_SIZE + length);
ba.resize_data(HEADER_SIZE + length);
// Copy length first
std::memcpy(ba.GetDataPtr(), &length, HEADER_SIZE);
std::memcpy(ba.get_data_ptr(), &length, HEADER_SIZE);
// Copy string data
std::memcpy(ba.GetDataPtr(HEADER_SIZE), value.data(), length);
std::memcpy(ba.get_data_ptr(HEADER_SIZE), value.data(), length);
// Okey
return ba;
@@ -173,20 +173,20 @@ namespace yycc::carton::binstore::serializer {
std::optional<ValueType> deserialize(const NS_YYCC_BINSTORE_TYPES::ByteArray& ba) const {
// Get byte array size
size_t ba_size = ba.GetDataSize();
size_t ba_size = ba.get_data_size();
// Check whether it has header
if (ba_size < HEADER_SIZE) return std::nullopt;
// Get header
HeaderType length;
std::memcpy(&length, ba.GetDataPtr(), HEADER_SIZE);
std::memcpy(&length, ba.get_data_ptr(), HEADER_SIZE);
// Check whether full size is header + length.
if (ba_size != HEADER_SIZE + length) return std::nullopt;
// Prepare result
std::u8string value(length, u8'\0');
// Read into result
std::memcpy(value.data(), ba.GetDataPtr(HEADER_SIZE), length);
std::memcpy(value.data(), ba.get_data_ptr(HEADER_SIZE), length);
// Okey
return value;