mirror of https://github.com/commaai/openpilot.git
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#pragma once
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#include <cassert>
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#include <string>
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#include "common/params.h"
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#include "common/util.h"
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#include "system/hardware/hw.h"
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class OpenpilotPrefix {
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public:
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OpenpilotPrefix(std::string prefix = {}) {
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if (prefix.empty()) {
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prefix = util::random_string(15);
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}
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msgq_path = "/dev/shm/" + prefix;
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bool ret = util::create_directories(msgq_path, 0777);
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assert(ret);
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setenv("OPENPILOT_PREFIX", prefix.c_str(), 1);
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}
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~OpenpilotPrefix() {
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auto param_path = Params().getParamPath();
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if (util::file_exists(param_path)) {
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std::string real_path = util::readlink(param_path);
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system(util::string_format("rm %s -rf", real_path.c_str()).c_str());
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unlink(param_path.c_str());
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}
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if (getenv("COMMA_CACHE") == nullptr) {
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system(util::string_format("rm %s -rf", Path::download_cache_root().c_str()).c_str());
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}
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system(util::string_format("rm %s -rf", Path::comma_home().c_str()).c_str());
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system(util::string_format("rm %s -rf", msgq_path.c_str()).c_str());
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unsetenv("OPENPILOT_PREFIX");
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}
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private:
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std::string msgq_path;
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};
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