234 lines
6.3 KiB
C++
234 lines
6.3 KiB
C++
/*
|
||
dmp.h
|
||
|
||
Copyright (c) 2020 Kevin Matz (kevin.matz@gmail.com)
|
||
|
||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
of this software and associated documentation files (the "Software"), to deal
|
||
in the Software without restriction, including without limitation the rights
|
||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
copies of the Software, and to permit persons to whom the Software is
|
||
furnished to do so, subject to the following conditions:
|
||
|
||
The above copyright notice and this permission notice shall be included in all
|
||
copies or substantial portions of the Software.
|
||
|
||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
SOFTWARE.
|
||
*/
|
||
#pragma once
|
||
|
||
#include <cstdint>
|
||
#include <memory>
|
||
#include <vector>
|
||
#include "pdu.h"
|
||
|
||
/**
|
||
* @brief @cite DMP Architecture for Control Networks – Device Management Protocol
|
||
*/
|
||
namespace ACN::DMP {
|
||
|
||
/**
|
||
* @brief The data_type_t enum
|
||
*
|
||
* @cite DMP 5.1.4 Address and Data Types
|
||
* D1, D0 = Specify non-range or range address, single data, equal size or
|
||
* mixed size data array
|
||
*/
|
||
enum data_type_t {
|
||
SINGLE = 0b00, //!< Non-range address, Single data item
|
||
RANGE = 0b01, //!< Range address, Single data item
|
||
ARRAY = 0b10, //!< Range address, Array of equal size data items
|
||
SERIES = 0b11 //!< Range address, Series of mixed size data items
|
||
};
|
||
|
||
|
||
/**
|
||
* @brief The address_element_length enum
|
||
*/
|
||
enum element_length {
|
||
ONE = 0b00, // 0
|
||
TWO = 0b01, // 1
|
||
FOUR = 0b10, // 2
|
||
ZERO = 0b11 // 3 (reserved)
|
||
};
|
||
|
||
|
||
/**
|
||
* @brief The address_type struct
|
||
*/
|
||
struct address_type
|
||
: PDU::pdu_header
|
||
{
|
||
element_length address_length = ONE; //!< A1, A0 = Size of Address elements
|
||
uint8_t x_reserved = 0; //!< X1, X0
|
||
data_type_t data_type = SINGLE; //!< D1, D0
|
||
bool relative = false; //!< R = Specifies whether address is relative or not.
|
||
bool z_reserved = false; //!< Z
|
||
|
||
size_t streamSize() const override { return 1; }
|
||
void iStream(PDU::Stream) override;
|
||
void oStream(PDU::Stream) const override;
|
||
};
|
||
|
||
|
||
/**
|
||
* @brief 5.1.5 The range struct
|
||
*/
|
||
/// \todo maybe template this struct based on address_length
|
||
struct Range
|
||
: streamable
|
||
{
|
||
/**
|
||
* @brief range constructor
|
||
* @param t
|
||
*/
|
||
Range(const address_type& t) : type_(t) {};
|
||
|
||
uint32_t address = 0; //!< start address
|
||
uint32_t incriment = 0; //!< property size (number of octets)
|
||
uint32_t count = 0; //!< number of properties
|
||
|
||
/**
|
||
* @brief addressType
|
||
* @return
|
||
*/
|
||
inline const address_type & getAddressType() const { return type_; }
|
||
/**
|
||
* @brief dataLength
|
||
* @return
|
||
*/
|
||
inline element_length elementLength() const { return type_.address_length; }
|
||
/**
|
||
* @brief dataType
|
||
* @return
|
||
*/
|
||
inline data_type_t type() const { return type_.data_type; }
|
||
/**
|
||
* @brief isAbsolute
|
||
* @return
|
||
*/
|
||
inline bool isAbsolute() const { return !type_.relative; }
|
||
/**
|
||
* @brief isRelative
|
||
* @return
|
||
*/
|
||
inline bool isRelative() const { return type_.relative; }
|
||
|
||
size_t streamSize() const override;
|
||
void iStream(PDU::Stream) override;
|
||
void oStream(PDU::Stream) const override;
|
||
|
||
private:
|
||
const address_type& type_;
|
||
|
||
uint32_t read_(PDU::Stream);
|
||
void write_(PDU::Stream, const uint32_t&) const;
|
||
};
|
||
|
||
|
||
/**
|
||
* @brief set_property
|
||
*/
|
||
typedef std::pair<Range, std::vector<uint8_t>> address_data_pair;
|
||
|
||
|
||
/**
|
||
* @brief The address_pair_list struct
|
||
*/
|
||
struct address_pair_list
|
||
: PDU::pdu_data
|
||
{
|
||
/**
|
||
* @brief address_pair_list
|
||
* @param t
|
||
*/
|
||
address_pair_list(const address_type& t) : type_(t) {};
|
||
std::vector<address_data_pair> properties; //!< list of address/data pairs
|
||
|
||
size_t streamSize() const override;
|
||
void iStream(PDU::Stream) override;
|
||
void oStream(PDU::Stream) const override;
|
||
|
||
private:
|
||
const address_type& type_;
|
||
};
|
||
|
||
|
||
/**
|
||
* @brief The address_list struct
|
||
*/
|
||
struct address_list
|
||
: PDU::pdu_data
|
||
{
|
||
/**
|
||
* @brief address_list
|
||
* @param t
|
||
*/
|
||
address_list(const address_type& t) : type_(t) {};
|
||
std::vector<Range> addresses; //!< list of addresses
|
||
|
||
size_t streamSize() const override;
|
||
void iStream(PDU::Stream) override;
|
||
void oStream(PDU::Stream) const override;
|
||
|
||
private:
|
||
const address_type& type_;
|
||
};
|
||
|
||
|
||
/**
|
||
* @brief 7 Response Messages
|
||
*/
|
||
enum failure_reason {
|
||
SUCCESS = 0, //!< The opposite of failure. Non-standard!
|
||
NONSPECIFIC = 1, //!< Non-specific or non-DMP reason.
|
||
NOT_PROPERTY = 2, //!< The address does not correspond to a property.
|
||
WRITE_ONLY = 3, //!< The property’s value may not be read.
|
||
NOT_WRITABLE = 4, //!< The property’s value may not be written.
|
||
DATA_ERROR = 5, //!< The data does not correspond to the property.
|
||
SUBSCIRPTION_NOT_SUPPORTED = 10, //!< Subscriptions on the specified property are not supported by the device.
|
||
NO_SUBSCRIPTIONS_SUPPORTED = 11, //!< Subscriptions not supported on any property.
|
||
INSUFFICIENT_RESOURCES = 12, //!< The component cannot support more subscriptions due to resource limitations
|
||
UNAVAILABLE = 13 //!< The property’s value is not available due to restrictions imposed by device specific functionality (e.g., access permission mechanisms).
|
||
};
|
||
|
||
|
||
/**
|
||
* @brief 13.1 Protocol Codes
|
||
*/
|
||
static const uint32_t DMP_PROTOCOL_ID = 2; //!< protocol vector
|
||
|
||
// 13.2 Message Codes
|
||
static const uint8_t GET_PROPERTY = 1;
|
||
static const uint8_t SET_PROPERTY = 2;
|
||
static const uint8_t GET_PROPERTY_REPLY = 3;
|
||
static const uint8_t EVENT = 4;
|
||
static const uint8_t SUBSCRIBE = 7;
|
||
static const uint8_t UNSUBSCRIBE = 8;
|
||
static const uint8_t GET_PROPERTY_FAIL = 9;
|
||
static const uint8_t SET_PROPERTY_FAIL = 10;
|
||
static const uint8_t SUBSCRIBE_ACCEPT = 12;
|
||
static const uint8_t SUBSCRIBE_REJECT = 13;
|
||
static const uint8_t SYNC_EVENT = 17;
|
||
|
||
|
||
/**
|
||
* @brief The DMP::Pdu class
|
||
*/
|
||
class Pdu
|
||
: public PDU::Pdu
|
||
{
|
||
public:
|
||
Pdu();
|
||
void iStream(PDU::Stream) override;
|
||
};
|
||
|
||
|
||
} // ACN::DMP
|