openpilot0/system/loggerd/logger.h

56 lines
1.5 KiB
C++

#pragma once
#include <cassert>
#include <memory>
#include <string>
#include "cereal/messaging/messaging.h"
#include "common/util.h"
#include "system/hardware/hw.h"
class RawFile {
public:
RawFile(const std::string &path) {
file = util::safe_fopen(path.c_str(), "wb");
assert(file != nullptr);
}
~RawFile() {
util::safe_fflush(file);
int err = fclose(file);
assert(err == 0);
}
inline void write(void* data, size_t size) {
int written = util::safe_fwrite(data, 1, size, file);
assert(written == size);
}
inline void write(kj::ArrayPtr<capnp::byte> array) { write(array.begin(), array.size()); }
private:
FILE* file = nullptr;
};
typedef cereal::Sentinel::SentinelType SentinelType;
class LoggerState {
public:
LoggerState(const std::string& log_root = Path::log_root());
~LoggerState();
bool next();
void write(uint8_t* data, size_t size, bool in_qlog);
inline int segment() const { return part; }
inline const std::string& segmentPath() const { return segment_path; }
inline const std::string& routeName() const { return route_name; }
inline void write(kj::ArrayPtr<kj::byte> bytes, bool in_qlog) { write(bytes.begin(), bytes.size(), in_qlog); }
inline void setExitSignal(int signal) { exit_signal = signal; }
protected:
int part = -1, exit_signal = 0;
std::string route_path, route_name, segment_path, lock_file;
kj::Array<capnp::word> init_data;
std::unique_ptr<RawFile> rlog, qlog;
};
kj::Array<capnp::word> logger_build_init_data();
std::string logger_get_identifier(std::string key);