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https://git.rwth-aachen.de/acs/public/villas/node/
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213 lines
7.4 KiB
C++
213 lines
7.4 KiB
C++
/* Node type: IEC60870-5-104.
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*
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* Author: Philipp Jungkamp <philipp.jungkamp@rwth-aachen.de>
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* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <array>
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#include <cstdint>
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#include <ctime>
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#include <lib60870/cs101_information_objects.h>
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#include <lib60870/cs104_slave.h>
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#include <lib60870/iec60870_common.h>
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#include <optional>
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#include <string>
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#include <villas/node.hpp>
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#include <villas/node/config.hpp>
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#include <villas/pool.hpp>
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#include <villas/signal.hpp>
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namespace villas {
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namespace node {
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namespace iec60870 {
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/// A supported CS101 information data type
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class ASDUData {
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public:
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enum Type {
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SINGLE_POINT = M_SP_NA_1, // SinglePointInformation
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SINGLE_POINT_WITH_TIMESTAMP = M_SP_TB_1, // SinglePointWithCP56Time2a
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DOUBLE_POINT = M_DP_NA_1, // DoublePointInformation
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DOUBLE_POINT_WITH_TIMESTAMP = M_DP_TB_1, // DoublePointWithCP56Time2a
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SCALED_INT = M_ME_NB_1, // MeasuredValueScaled
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SCALED_INT_WITH_TIMESTAMP = M_ME_TE_1, // MeasuredValueScaledWithCP56Time2a
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NORMALIZED_FLOAT = M_ME_NA_1, // MeasuredValueNormalized
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NORMALIZED_FLOAT_WITH_TIMESTAMP =
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M_ME_TD_1, // MeasuredValueNormalizedWithCP56Time2a
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SHORT_FLOAT = M_ME_NC_1, // MeasuredValueShort
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SHORT_FLOAT_WITH_TIMESTAMP = M_ME_TF_1, // MeasuredValueShortWithCP56Time2a
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};
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struct Sample {
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SignalData signal_data;
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QualityDescriptor quality;
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std::optional<timespec> timestamp;
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};
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// Parse the config json
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static ASDUData parse(json_t *json_signal, std::optional<ASDUData> last_data,
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bool duplicate_ioa_is_sequence);
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// Does this data include a timestamp
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bool hasTimestamp() const;
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// The IEC104 type
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ASDUData::Type type() const;
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// The config file identifier for this type
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char const *name() const;
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// Get equivalent IEC104 type without timestamp (e.g. for general interrogation response)
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ASDUData::Type typeWithoutTimestamp() const;
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// Get equivalent ASDUData without timestamp (e.g. for general interrogation response)
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ASDUData withoutTimestamp() const;
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// Corresponding signal type
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SignalType signalType() const;
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// Check if ASDU contains this data
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std::optional<ASDUData::Sample> checkASDU(CS101_ASDU const &asdu) const;
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// Add SignalData to an ASDU, returns false when sample couldn't be added (insufficient space in ASDU)
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bool addSampleToASDU(CS101_ASDU &asdu, ASDUData::Sample sample) const;
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// Every value in an ASDU has an associated "information object address" (ioa)
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int ioa;
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// Start of the ioa sequence
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int ioa_sequence_start;
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private:
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struct Descriptor {
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ASDUData::Type type;
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char const *name;
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char const *type_id;
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bool has_timestamp;
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ASDUData::Type type_without_timestamp;
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SignalType signal_type;
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};
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inline static std::array const descriptors{
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ASDUData::Descriptor{Type::SINGLE_POINT, "single-point", "M_SP_NA_1",
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false, Type::SINGLE_POINT, SignalType::BOOLEAN},
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ASDUData::Descriptor{Type::SINGLE_POINT_WITH_TIMESTAMP, "single-point",
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"M_SP_TB_1", true, Type::SINGLE_POINT,
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SignalType::BOOLEAN},
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ASDUData::Descriptor{Type::DOUBLE_POINT, "double-point", "M_DP_NA_1",
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false, Type::DOUBLE_POINT, SignalType::INTEGER},
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ASDUData::Descriptor{Type::DOUBLE_POINT_WITH_TIMESTAMP, "double-point",
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"M_DP_TB_1", true, Type::DOUBLE_POINT,
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SignalType::INTEGER},
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ASDUData::Descriptor{Type::SCALED_INT, "scaled-int", "M_ME_NB_1", false,
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Type::SCALED_INT, SignalType::INTEGER},
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ASDUData::Descriptor{Type::SCALED_INT_WITH_TIMESTAMP, "scaled-int",
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"M_ME_TE_1", true, Type::SCALED_INT,
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SignalType::INTEGER},
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ASDUData::Descriptor{Type::NORMALIZED_FLOAT, "normalized-float",
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"M_ME_NA_1", false, Type::NORMALIZED_FLOAT,
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SignalType::FLOAT},
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ASDUData::Descriptor{Type::NORMALIZED_FLOAT_WITH_TIMESTAMP,
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"normalized-float", "M_ME_TD_1", true,
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Type::NORMALIZED_FLOAT, SignalType::FLOAT},
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ASDUData::Descriptor{Type::SHORT_FLOAT, "short-float", "M_ME_NC_1", false,
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Type::SHORT_FLOAT, SignalType::FLOAT},
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ASDUData::Descriptor{Type::SHORT_FLOAT_WITH_TIMESTAMP, "short-float",
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"M_ME_TF_1", true, Type::SHORT_FLOAT,
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SignalType::FLOAT},
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};
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ASDUData(ASDUData::Descriptor const *descriptor, int ioa,
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int ioa_sequence_start);
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// Lookup datatype for config key asdu_type
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static std::optional<ASDUData> lookupName(char const *name,
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bool with_timestamp, int ioa,
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int ioa_sequence_start);
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// Lookup datatype for config key asdu_type_id
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static std::optional<ASDUData> lookupTypeId(char const *type_id, int ioa,
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int ioa_sequence_start);
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// Lookup datatype for numeric type identifier
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static std::optional<ASDUData> lookupType(int type, int ioa,
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int ioa_sequence_start);
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// Descriptor within the descriptors table above
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ASDUData::Descriptor const *descriptor;
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};
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class SlaveNode : public Node {
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protected:
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struct Server {
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// Slave state
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enum { NONE, STOPPED, READY } state;
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// Config (use explicit defaults)
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std::string local_address;
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int local_port;
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int common_address;
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int low_priority_queue;
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int high_priority_queue;
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// Config (use lib60870 defaults if std::nullopt)
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std::optional<int> apci_t0;
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std::optional<int> apci_t1;
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std::optional<int> apci_t2;
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std::optional<int> apci_t3;
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std::optional<int> apci_k;
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std::optional<int> apci_w;
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// Lib60870
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CS104_Slave slave;
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CS101_AppLayerParameters asdu_app_layer_parameters;
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} server;
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struct Output {
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bool enabled = false;
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std::vector<ASDUData> mapping;
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std::vector<ASDUData::Type> asdu_types;
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mutable std::mutex last_values_mutex;
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std::vector<SignalData> last_values;
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} output;
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void createSlave() noexcept;
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void destroySlave() noexcept;
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void startSlave() noexcept(false);
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void stopSlave() noexcept;
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void debugPrintMessage(IMasterConnection connection, uint8_t *message,
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int message_size, bool sent) const noexcept;
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void debugPrintConnection(IMasterConnection connection,
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CS104_PeerConnectionEvent event) const noexcept;
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bool onClockSync(IMasterConnection connection, CS101_ASDU asdu,
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CP56Time2a new_time) const noexcept;
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bool onInterrogation(IMasterConnection connection, CS101_ASDU asdu,
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uint8_t _of_inter) const noexcept;
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bool onASDU(IMasterConnection connection, CS101_ASDU asdu) const noexcept;
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void sendPeriodicASDUsForSample(Sample const *sample) const noexcept(false);
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virtual int _write(struct Sample *smps[], unsigned cnt) override;
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public:
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SlaveNode(const uuid_t &id = {}, const std::string &name = "");
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virtual ~SlaveNode() override;
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virtual int parse(json_t *json) override;
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virtual int start() override;
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virtual int stop() override;
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};
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} // namespace iec60870
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} // namespace node
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} // namespace villas
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