Files
onepilot/system/loggerd/zstd_writer.h
github-actions[bot] 7fa972be6a sunnypilot v2026.02.09-4080
version: sunnypilot v2025.003.000 (dev)
date: 2026-02-09T02:04:38
master commit: 254f55ac15a40343d7255f2f098de3442e0c4a6f
2026-02-09 02:04:38 +00:00

25 lines
557 B
C++

#pragma once
#include <zstd.h>
#include <string>
#include <vector>
#include <capnp/common.h>
class ZstdFileWriter {
public:
ZstdFileWriter(const std::string &filename, int compression_level);
~ZstdFileWriter();
void write(void* data, size_t size);
inline void write(kj::ArrayPtr<capnp::byte> array) { write(array.begin(), array.size()); }
private:
void flushCache(bool last_chunk);
size_t input_cache_capacity_ = 0;
std::vector<char> input_cache_;
std::vector<char> output_buffer_;
ZSTD_CStream *cstream_;
FILE* file_ = nullptr;
};