dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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#include <cassert>
#include <string>
#include "cereal/messaging/messaging.h"
#include "common/params.h"
#include "common/swaglog.h"
#include "system/loggerd/logger.h"
static kj::Array<capnp::word> build_boot_log() {
MessageBuilder msg;
auto boot = msg.initEvent().initBoot();
boot.setWallTimeNanos(nanos_since_epoch());
std::string pstore = "/sys/fs/pstore";
std::map<std::string, std::string> pstore_map = util::read_files_in_dir(pstore);
int i = 0;
auto lpstore = boot.initPstore().initEntries(pstore_map.size());
for (auto& kv : pstore_map) {
auto lentry = lpstore[i];
lentry.setKey(kv.first);
lentry.setValue(capnp::Data::Reader((const kj::byte*)kv.second.data(), kv.second.size()));
i++;
}
// Gather output of commands
std::vector<std::string> bootlog_commands = {
"[ -x \"$(command -v journalctl)\" ] && journalctl",
};
if (Hardware::TICI()) {
bootlog_commands.push_back("[ -e /dev/nvme0 ] && sudo nvme smart-log --output-format=json /dev/nvme0");
}
auto commands = boot.initCommands().initEntries(bootlog_commands.size());
for (int j = 0; j < bootlog_commands.size(); j++) {
auto lentry = commands[j];
lentry.setKey(bootlog_commands[j]);
const std::string result = util::check_output(bootlog_commands[j]);
lentry.setValue(capnp::Data::Reader((const kj::byte*)result.data(), result.size()));
}
boot.setLaunchLog(util::read_file("/tmp/launch_log"));
return capnp::messageToFlatArray(msg);
}
int main(int argc, char** argv) {
const std::string id = logger_get_identifier("BootCount");
const std::string path = Path::log_root() + "/boot/" + id;
LOGW("bootlog to %s", path.c_str());
// Open bootlog
bool r = util::create_directories(Path::log_root() + "/boot/", 0775);
assert(r);
RawFile file(path.c_str());
// Write initdata
file.write(logger_build_init_data().asBytes());
// Write bootlog
file.write(build_boot_log().asBytes());
// Write out bootlog param to match routes with bootlog
Params().put("CurrentBootlog", id.c_str());
return 0;
}