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libiec61850/dotnet/IEC61850forCSharp/IEC61850CommonAPI.cs

827 lines
27 KiB
C#

/*
* IEC61850CommonAPI.cs
*
* Copyright 2014-2025 Michael Zillgith
*
* This file is part of libIEC61850.
*
* libIEC61850 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* libIEC61850 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with libIEC61850. If not, see <http://www.gnu.org/licenses/>.
*
* See COPYING file for the complete license text.
*/
using System;
using System.Runtime.InteropServices;
namespace IEC61850
{
namespace Common
{
public enum Iec61850Edition : byte
{
EDITION_1 = 0,
EDITION_2 = 1,
EDITION_2_1 = 2
}
public class LibIEC61850
{
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr LibIEC61850_getVersionString();
/// <summary>
/// Get the version string of the native libiec61850 library
/// </summary>
/// <returns>The version string in format MAJOR.MINOR.PATCH</returns>
public static string GetVersionString()
{
return Marshal.PtrToStringAnsi(LibIEC61850_getVersionString());
}
/// <summary>
/// Converts millisecond timestamp to a DateTime object
/// </summary>
/// <returns>The DateTime object representing the value of the timestamp</returns>
/// <param name="msTime">The timestamp in milliseconds since epoch (UTC)</param>
public static DateTime MsTimestampToDateTime(ulong msTime)
{
DateTime dateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
ulong seconds = msTime / 1000;
ulong millies = msTime % 1000;
dateTime.AddSeconds(seconds);
dateTime.AddMilliseconds(millies);
return dateTime;
}
/// <summary>
/// Converts a DateTime object in milliseconds since epoch timestamp (UTC)
/// </summary>
/// <returns>The timestamp in ms</returns>
/// <param name="msTime">The DateTime object to convert</param>
public static ulong DateTimeToMsTimestamp(DateTime dateTime)
{
return (ulong)(dateTime.ToUniversalTime().Subtract(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds);
}
}
[StructLayout(LayoutKind.Sequential)]
public class PhyComAddress
{
public byte vlanPriority;
public UInt16 vlanId;
public UInt16 appId;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
public byte[] dstAddress = new byte[6];
}
/// <summary>
/// MMS data access error for MmsValue type MMS_DATA_ACCESS_ERROR
/// </summary>
public enum MmsDataAccessError
{
NO_RESPONSE = -2, /* for server internal purposes only! */
SUCCESS = -1,
OBJECT_INVALIDATED = 0,
HARDWARE_FAULT = 1,
TEMPORARILY_UNAVAILABLE = 2,
OBJECT_ACCESS_DENIED = 3,
OBJECT_UNDEFINED = 4,
INVALID_ADDRESS = 5,
TYPE_UNSUPPORTED = 6,
TYPE_INCONSISTENT = 7,
OBJECT_ATTRIBUTE_INCONSISTENT = 8,
OBJECT_ACCESS_UNSUPPORTED = 9,
OBJECT_NONE_EXISTENT = 10,
OBJECT_VALUE_INVALID = 11,
UNKNOWN = 12,
}
[Flags]
public enum TriggerOptions
{
NONE = 0,
/** send report when value of data changed */
DATA_CHANGED = 1,
/** send report when quality of data changed */
QUALITY_CHANGED = 2,
/** send report when data or quality is updated */
DATA_UPDATE = 4,
/** periodic transmission of all data set values */
INTEGRITY = 8,
/** general interrogation (on client request) */
GI = 16,
/** Report will be triggered only on rising edge (transient variable) */
TRG_OPT_TRANSIENT = 128
}
/// <summary>
/// SmpMod values
/// </summary>
public enum SmpMod
{
SAMPLES_PER_PERIOD = 0,
SAMPLES_PER_SECOND = 1,
SECONDS_PER_SAMPLE = 2
}
/// <summary>
/// Values for Sampled Values (SV) OptFlds
/// </summary>
[Flags]
public enum SVOptions
{
NONE = 0,
REFRESH_TIME = 1,
SAMPLE_SYNC = 2,
SAMPLE_RATE = 4,
DATA_SET = 8,
SECURITY = 16,
ALL = 31
}
[Flags]
public enum ReportOptions
{
NONE = 0,
SEQ_NUM = 1,
TIME_STAMP = 2,
REASON_FOR_INCLUSION = 4,
DATA_SET = 8,
DATA_REFERENCE = 16,
BUFFER_OVERFLOW = 32,
ENTRY_ID = 64,
CONF_REV = 128,
SEGMENTATION = 256,
ALL = SEQ_NUM | TIME_STAMP | REASON_FOR_INCLUSION | DATA_SET | DATA_REFERENCE |
BUFFER_OVERFLOW | ENTRY_ID | CONF_REV | SEGMENTATION
}
public enum Validity
{
GOOD = 0,
RESERVED = 1,
INVALID = 2,
QUESTIONABLE = 3
}
/// <summary>
/// The quality of a data object.
/// </summary>
public class Quality
{
private UInt16 value;
private const UInt16 QUALITY_DETAIL_OVERFLOW = 4;
private const UInt16 QUALITY_DETAIL_OUT_OF_RANGE = 8;
private const UInt16 QUALITY_DETAIL_BAD_REFERENCE = 16;
private const UInt16 QUALITY_DETAIL_OSCILLATORY = 32;
private const UInt16 QUALITY_DETAIL_FAILURE = 64;
private const UInt16 QUALITY_DETAIL_OLD_DATA = 128;
private const UInt16 QUALITY_DETAIL_INCONSISTENT = 256;
private const UInt16 QUALITY_DETAIL_INACCURATE = 512;
private const UInt16 QUALITY_SOURCE_SUBSTITUTED = 1024;
private const UInt16 QUALITY_TEST = 2048;
private const UInt16 QUALITY_OPERATOR_BLOCKED = 4096;
private const UInt16 QUALITY_DERIVED = 8192;
public ushort Value => value;
public override string ToString()
{
return GetValidity().ToString();
}
public Quality(int bitStringValue)
{
value = (UInt16)bitStringValue;
}
public Quality()
{
value = 0;
}
public Validity GetValidity()
{
int qualityVal = value & 0x3;
return (Validity)qualityVal;
}
public void SetValidity(Validity validity)
{
value = (UInt16)(value & 0xfffc);
value += (ushort)validity;
}
public Validity Validity
{
get { return GetValidity(); }
set { SetValidity(value); }
}
public bool Overflow
{
get { return ((value & QUALITY_DETAIL_OVERFLOW) != 0); }
set
{
if (value)
this.value |= QUALITY_DETAIL_OVERFLOW;
else
this.value = (ushort)(this.value & (~QUALITY_DETAIL_OVERFLOW));
}
}
public bool OutOfRange
{
get { return ((value & QUALITY_DETAIL_OUT_OF_RANGE) != 0); }
set
{
if (value)
this.value |= QUALITY_DETAIL_OUT_OF_RANGE;
else
this.value = (ushort)(this.value & (~QUALITY_DETAIL_OUT_OF_RANGE));
}
}
public bool BadReference
{
get { return ((value & QUALITY_DETAIL_BAD_REFERENCE) != 0); }
set
{
if (value)
this.value |= QUALITY_DETAIL_BAD_REFERENCE;
else
this.value = (ushort)(this.value & (~QUALITY_DETAIL_BAD_REFERENCE));
}
}
public bool Oscillatory
{
get { return ((value & QUALITY_DETAIL_OSCILLATORY) != 0); }
set
{
if (value)
this.value |= QUALITY_DETAIL_OSCILLATORY;
else
this.value = (ushort)(this.value & (~QUALITY_DETAIL_OSCILLATORY));
}
}
public bool Failure
{
get { return ((value & QUALITY_DETAIL_FAILURE) != 0); }
set
{
if (value)
this.value |= QUALITY_DETAIL_FAILURE;
else
this.value = (ushort)(this.value & (~QUALITY_DETAIL_FAILURE));
}
}
public bool OldData
{
get { return ((value & QUALITY_DETAIL_OLD_DATA) != 0); }
set
{
if (value)
this.value |= QUALITY_DETAIL_OLD_DATA;
else
this.value = (ushort)(this.value & (~QUALITY_DETAIL_OLD_DATA));
}
}
public bool Inconsistent
{
get { return ((value & QUALITY_DETAIL_INCONSISTENT) != 0); }
set
{
if (value)
this.value |= QUALITY_DETAIL_INCONSISTENT;
else
this.value = (ushort)(this.value & (~QUALITY_DETAIL_INCONSISTENT));
}
}
public bool Inaccurate
{
get { return ((value & QUALITY_DETAIL_INACCURATE) != 0); }
set
{
if (value)
this.value |= QUALITY_DETAIL_INACCURATE;
else
this.value = (ushort)(this.value & (~QUALITY_DETAIL_INACCURATE));
}
}
public bool Substituted
{
get { return ((value & QUALITY_SOURCE_SUBSTITUTED) != 0); }
set
{
if (value)
this.value |= QUALITY_SOURCE_SUBSTITUTED;
else
this.value = (ushort)(this.value & (~QUALITY_SOURCE_SUBSTITUTED));
}
}
public bool Test
{
get { return ((value & QUALITY_TEST) != 0); }
set
{
if (value)
this.value |= QUALITY_TEST;
else
this.value = (ushort)(this.value & (~QUALITY_TEST));
}
}
public bool OperatorBlocked
{
get { return ((value & QUALITY_OPERATOR_BLOCKED) != 0); }
set
{
if (value)
this.value |= QUALITY_OPERATOR_BLOCKED;
else
this.value = (ushort)(this.value & (~QUALITY_OPERATOR_BLOCKED));
}
}
public bool Derived
{
get { return ((value & QUALITY_DERIVED) != 0); }
set
{
if (value)
this.value |= QUALITY_DERIVED;
else
this.value = (ushort)(this.value & (~QUALITY_DERIVED));
}
}
}
/// <summary>
/// Timestamp (represents IEC 61850 timestamps e.g. "t" attribute)
/// </summary>
public class Timestamp
{
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr Timestamp_create();
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr Timestamp_createFromByteArray(byte[] byteArry);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern void Timestamp_destroy(IntPtr self);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern void Timestamp_clearFlags(IntPtr self);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
[return: MarshalAs(UnmanagedType.I1)]
static extern bool Timestamp_isLeapSecondKnown(IntPtr self);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern void Timestamp_setLeapSecondKnown(IntPtr self, [MarshalAs(UnmanagedType.I1)] bool value);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
[return: MarshalAs(UnmanagedType.I1)]
static extern bool Timestamp_hasClockFailure(IntPtr self);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern void Timestamp_setClockFailure(IntPtr self, [MarshalAs(UnmanagedType.I1)] bool value);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
[return: MarshalAs(UnmanagedType.I1)]
static extern bool Timestamp_isClockNotSynchronized(IntPtr self);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern void Timestamp_setClockNotSynchronized(IntPtr self, [MarshalAs(UnmanagedType.I1)] bool value);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern int Timestamp_getSubsecondPrecision(IntPtr self);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern void Timestamp_setSubsecondPrecision(IntPtr self, int subsecondPrecision);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern void Timestamp_setTimeInSeconds(IntPtr self, UInt32 secondsSinceEpoch);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern void Timestamp_setTimeInMilliseconds(IntPtr self, UInt64 millisSinceEpoch);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern UInt32 Timestamp_getTimeInSeconds(IntPtr self);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern UInt64 Timestamp_getTimeInMs(IntPtr self);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern void Timestamp_setByMmsUtcTime(IntPtr self, IntPtr mmsValue);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern UInt32 Timestamp_getFractionOfSecondPart(IntPtr self);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern void Timestamp_setFractionOfSecondPart(IntPtr self, UInt32 fractionOfSecond);
[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
static extern float Timestamp_getFractionOfSecond(IntPtr self);
internal IntPtr self = IntPtr.Zero;
private bool responsibleForDeletion;
internal Timestamp(IntPtr timestampRef, bool selfAllocated)
{
self = timestampRef;
responsibleForDeletion = selfAllocated;
}
public Timestamp(DateTime timestamp) : this()
{
SetDateTime(timestamp);
}
public Timestamp(MmsValue mmsUtcTime) : this()
{
SetByMmsUtcTime(mmsUtcTime);
}
/// <summary>
/// Initializes a new instance of the <see cref="IEC61850CommonAPI.Timestamp"/> class.
/// </summary>
public Timestamp()
{
self = Timestamp_create();
LeapSecondKnown = true;
responsibleForDeletion = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="IEC61850CommonAPI.Timestamp"/> class.
/// </summary>
public Timestamp(Timestamp other) : this()
{
SetTimeInSeconds(other.GetTimeInSeconds());
SetSubsecondPrecision(other.GetSubsecondPrecision());
SetFractionOfSecondPart(other.GetFractionOfSecondPart());
SetLeapSecondKnow(other.IsLeapSecondKnown());
SetClockFailure(other.HasClockFailure());
SetClockNotSynchronized(other.IsClockNotSynchronized());
}
public Timestamp(byte[] value)
{
self = Timestamp_createFromByteArray(value);
responsibleForDeletion = true;
}
~Timestamp()
{
if (responsibleForDeletion)
Timestamp_destroy(self);
}
public void ClearFlags()
{
Timestamp_clearFlags(self);
}
public void SetDateTime(DateTime timestamp)
{
DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
DateTime timestampUTC = timestamp.ToUniversalTime();
TimeSpan timeDiff = timestampUTC - epoch;
ulong timeVal = Convert.ToUInt64(timeDiff.TotalMilliseconds);
SetTimeInMilliseconds(timeVal);
}
public bool LeapSecondKnown
{
get { return IsLeapSecondKnown(); }
set { SetLeapSecondKnow(value); }
}
public bool IsLeapSecondKnown()
{
return Timestamp_isLeapSecondKnown(self);
}
public void SetLeapSecondKnow(bool value)
{
Timestamp_setLeapSecondKnown(self, value);
}
public bool ClockFailure
{
get { return HasClockFailure(); }
set { SetClockFailure(value); }
}
public bool HasClockFailure()
{
return Timestamp_hasClockFailure(self);
}
public void SetClockFailure(bool value)
{
Timestamp_setClockFailure(self, value);
}
public bool ClockNotSynchronized
{
get { return IsClockNotSynchronized(); }
set { SetClockNotSynchronized(value); }
}
public bool IsClockNotSynchronized()
{
return Timestamp_isClockNotSynchronized(self);
}
public void SetClockNotSynchronized(bool value)
{
Timestamp_setClockNotSynchronized(self, value);
}
public int SubsecondPrecision
{
get { return GetSubsecondPrecision(); }
set { SetSubsecondPrecision(value); }
}
public int GetSubsecondPrecision()
{
return Timestamp_getSubsecondPrecision(self);
}
public void SetSubsecondPrecision(int subsecondPrecision)
{
Timestamp_setSubsecondPrecision(self, subsecondPrecision);
}
public UInt32 TimeInSeconds
{
get { return GetTimeInSeconds(); }
set { SetTimeInSeconds(value); }
}
public UInt32 GetTimeInSeconds()
{
return Timestamp_getTimeInSeconds(self);
}
public void SetTimeInSeconds(UInt32 secondsSinceEpoch)
{
Timestamp_setTimeInSeconds(self, secondsSinceEpoch);
}
public UInt64 TimeInMilliseconds
{
get { return GetTimeInMilliseconds(); }
set { SetTimeInMilliseconds(value); }
}
public UInt64 GetTimeInMilliseconds()
{
return Timestamp_getTimeInMs(self);
}
public void SetTimeInMilliseconds(UInt64 millisSinceEpoch)
{
Timestamp_setTimeInMilliseconds(self, millisSinceEpoch);
}
public void SetByMmsUtcTime(MmsValue mmsValue)
{
Timestamp_setByMmsUtcTime(self, mmsValue.valueReference);
}
public DateTime AsDateTime()
{
DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
DateTime retVal = epoch.AddMilliseconds(GetTimeInMilliseconds());
return retVal;
}
public UInt32 GetFractionOfSecondPart()
{
return Timestamp_getFractionOfSecondPart(self);
}
public void SetFractionOfSecondPart(UInt32 fractionOfSecond)
{
Timestamp_setFractionOfSecondPart(self, fractionOfSecond);
}
public float GetFractionOfSecond()
{
return Timestamp_getFractionOfSecond(self);
}
}
public enum ACSIClass
{
/** data objects */
ACSI_CLASS_DATA_OBJECT,
/** data sets (container for multiple data objects) */
ACSI_CLASS_DATA_SET,
/** buffered report control blocks */
ACSI_CLASS_BRCB,
/** unbuffered report control blocks */
ACSI_CLASS_URCB,
/** log control blocks */
ACSI_CLASS_LCB,
/** logs (journals) */
ACSI_CLASS_LOG,
/** setting group control blocks */
ACSI_CLASS_SGCB,
/** GOOSE control blocks */
ACSI_CLASS_GoCB,
/** GSE control blocks */
ACSI_CLASS_GsCB,
/** multicast sampled values control blocks */
ACSI_CLASS_MSVCB,
/** unicast sampled values control blocks */
ACSI_CLASS_USVCB
}
public enum FunctionalConstraint
{
/** Status information */
ST = 0,
/** Measurands - analog values */
MX = 1,
/** Setpoint */
SP = 2,
/** Substitution */
SV = 3,
/** Configuration */
CF = 4,
/** Description */
DC = 5,
/** Setting group */
SG = 6,
/** Setting group editable */
SE = 7,
/** Service response / Service tracking */
SR = 8,
/** Operate received */
OR = 9,
/** Blocking */
BL = 10,
/** Extended definition */
EX = 11,
/** Control */
CO = 12,
/** Unicast SV */
US = 13,
/** Multicast SV */
MS = 14,
/** Unbuffered report */
RP = 15,
/** Buffered report */
BR = 16,
/** Log control blocks */
LG = 17,
/** All FCs - wildcard value */
ALL = 99,
NONE = -1
}
/// <summary>
/// Definition for LastAppError error type for control models
/// Used in LastApplError and CommandTermination messages.
/// </summary>
public enum ControlLastApplError
{
NO_ERROR = 0,
UNKNOWN = 1,
TIMEOUT_TEST = 2,
OPERATOR_TEST = 3
}
/// <summary>
/// AddCause - additional cause information for control model errors
/// Used in LastApplError and CommandTermination messages.
/// </summary>
public enum ControlAddCause
{
ADD_CAUSE_UNKNOWN = 0,
ADD_CAUSE_NOT_SUPPORTED = 1,
ADD_CAUSE_BLOCKED_BY_SWITCHING_HIERARCHY = 2,
ADD_CAUSE_SELECT_FAILED = 3,
ADD_CAUSE_INVALID_POSITION = 4,
ADD_CAUSE_POSITION_REACHED = 5,
ADD_CAUSE_PARAMETER_CHANGE_IN_EXECUTION = 6,
ADD_CAUSE_STEP_LIMIT = 7,
ADD_CAUSE_BLOCKED_BY_MODE = 8,
ADD_CAUSE_BLOCKED_BY_PROCESS = 9,
ADD_CAUSE_BLOCKED_BY_INTERLOCKING = 10,
ADD_CAUSE_BLOCKED_BY_SYNCHROCHECK = 11,
ADD_CAUSE_COMMAND_ALREADY_IN_EXECUTION = 12,
ADD_CAUSE_BLOCKED_BY_HEALTH = 13,
ADD_CAUSE_1_OF_N_CONTROL = 14,
ADD_CAUSE_ABORTION_BY_CANCEL = 15,
ADD_CAUSE_TIME_LIMIT_OVER = 16,
ADD_CAUSE_ABORTION_BY_TRIP = 17,
ADD_CAUSE_OBJECT_NOT_SELECTED = 18,
ADD_CAUSE_OBJECT_ALREADY_SELECTED = 19,
ADD_CAUSE_NO_ACCESS_AUTHORITY = 20,
ADD_CAUSE_ENDED_WITH_OVERSHOOT = 21,
ADD_CAUSE_ABORTION_DUE_TO_DEVIATION = 22,
ADD_CAUSE_ABORTION_BY_COMMUNICATION_LOSS = 23,
ADD_CAUSE_ABORTION_BY_COMMAND = 24,
ADD_CAUSE_NONE = 25,
ADD_CAUSE_INCONSISTENT_PARAMETERS = 26,
ADD_CAUSE_LOCKED_BY_OTHER_CLIENT = 27
}
/// <summary>
/// Object reference. Helper function to handle object reference strings.
/// </summary>
public static class ObjectReference
{
/// <summary>
/// Get the name part of an object reference with appended FC
/// </summary>
/// <returns>
/// The element name.
/// </returns>
/// <param name='objectReferenceWithFc'>
/// Object reference with appended fc.
/// </param>
public static string getElementName(string objectReferenceWithFc)
{
int fcPartStartIndex = objectReferenceWithFc.IndexOf('[');
if (fcPartStartIndex == -1)
return objectReferenceWithFc;
return objectReferenceWithFc.Substring(0, fcPartStartIndex);
}
/// <summary>
/// Get the FC of an object reference with appended FC.
/// </summary>
/// <returns>
/// The FC
/// </returns>
/// <param name='objectReferenceWithFc'>
/// Object reference with FC.
/// </param>
public static FunctionalConstraint getFC(string objectReferenceWithFc)
{
int fcPartStartIndex = objectReferenceWithFc.IndexOf('[');
if (fcPartStartIndex == -1)
return FunctionalConstraint.NONE;
string fcString = objectReferenceWithFc.Substring(fcPartStartIndex + 1, 2);
try
{
return (FunctionalConstraint)Enum.Parse(typeof(FunctionalConstraint), fcString);
}
catch (ArgumentException)
{
return FunctionalConstraint.NONE;
}
}
}
}
}