openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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#include <assert.h>
#include <string>
#include <cstdio>
#include <bzlib.h>
#include "common/swaglog.h"
#include "common/util.h"
#include "messaging.hpp"
#include "logger.h"
int main(int argc, char** argv) {
char filename[64] = {'\0'};
time_t rawtime = time(NULL);
struct tm timeinfo;
localtime_r(&rawtime, &timeinfo);
strftime(filename, sizeof(filename),
"%Y-%m-%d--%H-%M-%S.bz2", &timeinfo);
std::string path = LOG_ROOT + "/boot/" + std::string(filename);
LOGW("bootlog to %s", path.c_str());
MessageBuilder boot_msg;
logger_build_boot(boot_msg);
MessageBuilder init_msg;
logger_build_init_data(init_msg);
// Open bootlog
int r = logger_mkpath((char*)path.c_str());
assert(r == 0);
FILE * file = fopen(path.c_str(), "wb");
assert(file != nullptr);
// Open as bz2
int bzerror;
BZFILE* bz_file = BZ2_bzWriteOpen(&bzerror, file, 9, 0, 30);
assert(bzerror == BZ_OK);
// Write initdata
auto bytes = init_msg.toBytes();
BZ2_bzWrite(&bzerror, bz_file, bytes.begin(), bytes.size());
assert(bzerror == BZ_OK);
// Write bootlog
bytes = boot_msg.toBytes();
BZ2_bzWrite(&bzerror, bz_file, bytes.begin(), bytes.size());
assert(bzerror == BZ_OK);
// Close bz2 and file
BZ2_bzWriteClose(&bzerror, bz_file, 0, NULL, NULL);
assert(bzerror == BZ_OK);
fclose(file);
return 0;
}