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171 | // Copyright (C) 2015-2020 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef CFG_DUID_H
#define CFG_DUID_H
#include <dhcp/duid.h>
#include <cc/cfg_to_element.h>
#include <cc/user_context.h>
#include <boost/shared_ptr.hpp><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <stdint.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <vector><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
namespace isc {
namespace dhcp {
/// @brief Holds manual configuration of the server identifier (DUID).
///
/// The DHCPv6 server uses DHCPv6 Unique Identifier (DUID) to identify itself
/// to the clients. Typically, the server generates the DUID on the first
/// startup and writes it to the persistent storage so as it doesn't change
/// across restarts of the server. RFC 8415 defines different DUID types.
/// Kea allows for selecting a type of DUID that the server should generate.
/// It also allows for overriding entire default DUID or parts of it via
/// configuration file. This class holds the DUID configuration specified
/// in the server configuration file.
class CfgDUID : public data::UserContext, public isc::data::CfgToElement {
public:
/// @brief Constructor.
CfgDUID();
/// @brief Returns DUID type.
DUID::DUIDType getType() const {
return (type_);
}
/// @brief Sets DUID type.
void setType(const DUID::DUIDType& type) {
type_ = type;
}
/// @brief Returns identifier.
///
/// Identifier is a link layer address for the DUID-LLT and DUID-LL. It
/// is also a variable length identifier in DUID-EN. It may be used for
/// all other existing and future DUID types when there is a need to
/// represent some variable length identifier.
///
/// @return Vector holding an identifier belonging to a particular
/// DUID type.
std::vector<uint8_t> getIdentifier() const {<--- Function 'getIdentifier()' should return member 'identifier_' by const reference.
return (identifier_);
}
/// @brief Sets new identifier as hex string.
///
/// @param identifier_as_hex String of hexadecimal digits representing
/// variable length identifier within a DUID.
void setIdentifier(const std::string& identifier_as_hex);
/// @brief Returns hardware type for DUID-LLT and DUID-LL.
uint16_t getHType() const {
return (htype_);
}
/// @brief Sets new hardware type for DUID-LLT and DUID-LL.
void setHType(const uint16_t htype) {
htype_ = htype;
}
/// @brief Returns time for the DUID-LLT.
uint32_t getTime() const {
return (time_);
}
/// @brief Sets new time for DUID-LLT.
void setTime(const uint32_t new_time) {
time_ = new_time;
}
/// @brief Returns enterprise id for the DUID-EN.
uint32_t getEnterpriseId() const {
return (enterprise_id_);
}
/// @brief Sets new enterprise id.
///
/// @param enterprise_id New enterprise id.
void setEnterpriseId(const uint32_t enterprise_id) {
enterprise_id_ = enterprise_id;
}
/// @brief Checks if server identifier should be stored on disk.
///
/// @return true if the server identifier should be stored on
/// the disk, false otherwise.
bool persist() const {
return (persist_);
}
/// @brief Sets a boolean flag indicating if the server identifier
/// should be stored on the disk (if true) or not (if false).
///
/// @param persist New value of the flag.
void setPersist(const bool persist) {
persist_ = persist;
}
/// @brief Creates instance of a DUID from the current configuration.
///
/// The newly created DUID is retained internally to make it accessible
/// anywhere.
///
/// @param duid_file_path Absolute path to a DUID file.
/// @return Pointer to an instance of new DUID.
DuidPtr create(const std::string& duid_file_path);
/// @brief Unparse a configuration object
///
/// @return a pointer to unparsed configuration
virtual isc::data::ElementPtr toElement() const;<--- Function in derived class
/// @brief Fetches the duid created by @ref create()
/// @return a pointer to created duid. Pointer will
/// empty if the duid has not yet been created.
const DuidPtr getCurrentDuid() const {
return (current_duid_);
}
private:
/// @brief DUID type.
DUID::DUIDType type_;
/// @brief Variable length identifier in a DUID.
std::vector<uint8_t> identifier_;
/// @brief Hardware type.
uint16_t htype_;
/// @brief Time used for DUID-LLT.
uint32_t time_;
/// @brief Enterprise id used for DUID-EN.
uint32_t enterprise_id_;
/// @brief Boolean flag which indicates if server identifier should
/// be stored on the disk.
bool persist_;
DuidPtr current_duid_;
};
/// @name Pointers to the @c CfgDUID objects.
//@{
/// @brief Pointer to the Non-const object.
typedef boost::shared_ptr<CfgDUID> CfgDUIDPtr;
/// @brief Pointer to the const object.
typedef boost::shared_ptr<const CfgDUID> ConstCfgDUIDPtr;
//@}
}
}
#endif // CFG_DUID_H
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