ModSecurity/src/unique_id.h
2020-01-31 10:32:37 -03:00

71 lines
1.5 KiB
C++

/*
* ModSecurity, http://www.modsecurity.org/
* Copyright (c) 2015 - 2020 Trustwave Holdings, Inc. (http://www.trustwave.com/)
*
* You may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* If any of the files related to licensing are missing or if you have any
* other questions related to licensing please contact Trustwave Holdings, Inc.
* directly using the email address security@modsecurity.org.
*
*/
#ifdef __cplusplus
#include <string>
#include <mutex>
#endif
#ifndef SRC_UNIQUE_ID_H_
#define SRC_UNIQUE_ID_H_
#ifdef __cplusplus
namespace modsecurity {
#define MAC_ADDRESS_SIZE 19
#define MAX_MACHINE_NAME_SIZE 256
/** @ingroup ModSecurity_CPP_API */
class UniqueId {
public:
static UniqueId& getInstance() {
static UniqueId instance;
return instance;
}
static std::string uniqueId() {
std::call_once(UniqueId::onceFlag,[]() {
UniqueId::getInstance().fillUniqueId();
});
return UniqueId::getInstance().uniqueId_str;
}
void fillUniqueId();
static std::string machineName();
static std::string ethernetMacAddress();
std::string uniqueId_str;
private:
UniqueId() {}
// C++ 03
UniqueId(UniqueId const&);
// void operator=(UniqueId const&);
// C++ 11
// UniqueId(UniqueId const&) = delete;
// void operator=(UniqueId const&) = delete;
static std::once_flag onceFlag;
};
} // namespace modsecurity
#endif
#endif // SRC_UNIQUE_ID_H_