104 lines
2.9 KiB
C#
104 lines
2.9 KiB
C#
using log4net;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.Remoting.Metadata.W3cXsd2001;
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using System.Text;
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using System.Threading.Tasks;
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namespace bsmd.AIS2Service
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{
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internal class AIS_BaseStationReport : AISClass
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{
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#region enums
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public enum EPFDType
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{
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UNDEFINED,
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GPS,
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GLONASS,
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COMBINED_GPS_GLONASS,
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LORAN_C,
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CHAYKA,
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INTEGR_NAV_SYSTEM,
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SURVEYED,
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GALILEO
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}
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#endregion
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#region fields
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private uint _repeatIndicator;
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private DateTime? _utcTimestamp;
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private bool _accuracy;
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private int _latitude;
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private int _longitude;
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private EPFDType _epfdType;
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bool _raim;
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private uint _radio;
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private static readonly ILog _log = LogManager.GetLogger(typeof(AIS_BaseStationReport));
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#endregion
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#region Properties
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public uint RepeatIndicator { get { return _repeatIndicator; } }
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public DateTime? UTCTimestamp { get { return _utcTimestamp; } }
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public bool Accuracy { get { return _accuracy; } }
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public int Latitude { get { return _latitude; } }
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public int Longitude { get { return _longitude; } }
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public EPFDType EPFD { get { return _epfdType; } }
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public bool Raim { get { return _raim; } }
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public uint Radio { get { return _radio; } }
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#endregion
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#region abstract class implementation
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protected override Status Decode()
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{
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Status result = Status.OK;
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BitArray bits = DecodeBinary(_data);
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try
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{
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_repeatIndicator = GetUInt(bits, 6, 7);
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_mmsi = GetInt(bits, 8, 37);
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uint year = GetUInt(bits, 38, 51);
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uint month = GetUInt(bits, 52, 55);
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uint day = GetUInt(bits, 56, 60);
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uint hour = GetUInt(bits, 61, 65);
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uint minute = GetUInt(bits, 66, 71);
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uint second = GetUInt(bits, 72, 77);
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_utcTimestamp = new DateTime((int) year, (int) month, (int) day, (int) hour, (int) minute, (int) second, DateTimeKind.Utc);
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_accuracy = GetInt(bits, 78, 78) == 1;
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_longitude = GetInt(bits, 79, 106);
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_latitude = GetInt(bits, 107, 133);
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int epfd = GetInt(bits, 134, 137);
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_epfdType = (EPFDType) epfd;
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_raim = GetInt(bits, 148, 148) == 1;
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_radio = GetUInt(bits, 149, 167);
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}
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catch (Exception e)
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{
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_log.WarnFormat("Error decoding AIS base station report: {0}", e.Message);
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result = Status.PARSE_ERROR;
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}
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return result;
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}
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#endregion
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}
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}
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