ZONE MONITORING WIP2

AIS/SQL/readme.txt

@@ -1,3 +1,20 @@
+# AIS Datenhaltung
+
+## Dateien
+
+### Neuer Stand (AIS2)
+
+Initiale, "leere" SQLite Datenbank:
+ais_initial.db
+
+### Alter Stand (Portierung der MySQL basierten Version von DP07)
+
+Create Skripte für SQL Server:
+create_AIS_DB.sql 
+CreateTablels.sql
+
+## Übertragung AIS Positionen nach WETRIS
+
 Anmeldeinformationen auf 192.168.2.3 (SMWET01)
 
 user id "shipinfo" PW "baffi123" DB "schiffsmeldedienst"

AIS/bsmd.AIS2Service/AISManager.cs

@@ -40,7 +40,7 @@ namespace bsmd.AIS2Service
             _tasks.Add(new SitRep(_decodedClasses, _sitRepList, _dbSaveTargets));
             AIS_SQLiteStorage sqliteStorage = new AIS_SQLiteStorage(_dbSaveTargets);
             _tasks.Add(sqliteStorage);
-            _tasks.Add(new AISZoneMonitor(_sitRepList));
+            _tasks.Add(new AISZoneMonitor(_sitRepList, sqliteStorage));
 
             // preload sit rep
             Dictionary<int, AIS_Target> targets = await sqliteStorage.LoadTargets();

AIS/bsmd.AIS2Service/AISZoneMonitor.cs

@@ -20,6 +20,7 @@ namespace bsmd.AIS2Service
         #region Fields
 
         ConcurrentDictionary<int, AIS_Target> _sitRepDict;
+        AIS_SQLiteStorage _storage;
         private Thread _thread;
         private bool _stopFlag = false;
 
@@ -27,9 +28,10 @@ namespace bsmd.AIS2Service
 
         #region Construction
 
-        public AISZoneMonitor(ConcurrentDictionary<int, AIS_Target> sitRepDict)
+        public AISZoneMonitor(ConcurrentDictionary<int, AIS_Target> sitRepDict, AIS_SQLiteStorage sqliteStorage)
         {
             _sitRepDict = sitRepDict;
+            _storage = sqliteStorage;
         }
 
         #endregion

AIS/bsmd.AIS2Service/AIS_SQLiteStorage.cs

@@ -39,6 +39,82 @@ namespace bsmd.AIS2Service
 
         #endregion
 
+        #region public methods
+
+        public List<MonitorZone> LoadMonitorZones()
+        {
+            List<MonitorZone> monitorZones = new List<MonitorZone>();
+            if ((_connection == null) || (_connection.State != ConnectionState.Open)) return monitorZones; // can't load but return nothing in a friendly way
+
+            // load zones
+            string loadZoneString = "SELECT id, name, active FROM monitor_zone";
+            SQLiteCommand lzCmd = new SQLiteCommand(loadZoneString, _connection);
+            SQLiteDataReader reader = lzCmd.ExecuteReader();
+            if(reader.HasRows)
+            {
+                while(reader.Read())
+                {
+                    int id = reader.GetInt32(0);
+                    string name = reader.GetString(1);
+                    MonitorZone mz = new MonitorZone(id, name);
+                    mz.Active = reader.GetInt32(2) == 1;
+                    monitorZones.Add(mz);
+                }
+            }
+            reader.Close();
+            lzCmd.Dispose();
+
+            // load vertices for each zone
+            string loadVertexString = "SELECT Id, latitude, longitude FROM zone_vertex WHERE monitor_zone_id = @ID";
+            SQLiteCommand lvCmd = new SQLiteCommand(loadVertexString, _connection);
+            foreach(MonitorZone mz in monitorZones)
+            {
+                lvCmd.Parameters.Clear();
+                lvCmd.Parameters.AddWithValue("@ID", mz.Id);
+                SQLiteDataReader lvReader = lvCmd.ExecuteReader();
+                if(reader.HasRows)
+                {
+                    while(reader.Read())
+                    {
+                        int id = reader.GetInt32(0);
+                        GeoPoint gp = new GeoPoint(id);
+                        gp.Lat = reader.GetDouble(1);
+                        gp.Lon = reader.GetDouble(2);
+                        mz.Vertices.Add(gp);
+                    }
+                }
+                lvReader.Close();
+            }
+            lvCmd.Dispose();
+
+            // load mmsi / zone assignments for each zone
+            string loadAssignmentsString = "SELECT id, mmsi, type FROM zone_assignment WHERE monitor_zone_id = @ID";
+            SQLiteCommand laCmd = new SQLiteCommand(loadAssignmentsString, _connection);
+            foreach (MonitorZone mz in monitorZones)
+            {
+                lvCmd.Parameters.Clear();
+                lvCmd.Parameters.AddWithValue("@ID", mz.Id);
+                SQLiteDataReader lvReader = laCmd.ExecuteReader();
+                if (reader.HasRows)
+                {
+                    while (reader.Read())
+                    {
+                        int id = reader.GetInt32(0);
+                        MonitorAssignment ma = new MonitorAssignment(id);
+                        ma.MMSI = reader.GetInt32(1);
+                        ma.MonitorType = (MonitorAssignment.ZoneMonitorType)reader.GetInt32(2);
+                        mz.Assignments.Add(ma);
+                    }
+                }
+                lvReader.Close();
+            }
+            laCmd.Dispose();
+
+            return monitorZones;
+        }
+
+        #endregion
+
         #region private methods
 
         private void ReadQueue()

AIS/bsmd.AIS2Service/MonitorZone.cs

@@ -12,15 +12,46 @@ using System.Threading.Tasks;
 
 namespace bsmd.AIS2Service
 {
+
+    #region class MonitorZone
+
     internal class MonitorZone
     {
-        private List<GeoPoint> _vertices;
 
-        public MonitorZone(List<GeoPoint> vertices)
+        #region fields
+
+        private int _id; // PK from database
+        private List<GeoPoint> _vertices = new List<GeoPoint>();
+        private List<MonitorAssignment> _assignments = new List<MonitorAssignment>();
+        private string _name;
+
+        #endregion
+
+        #region Construction
+
+        public MonitorZone(int id, string name)
         {
-            _vertices = vertices;
+            _id = id; _name = name;
         }
 
+        #endregion
+
+        #region Properties
+
+        public int Id { get { return _id; } }
+
+        public string Name { get { return _name; } }
+
+        public List<GeoPoint> Vertices { get { return _vertices; } }
+
+        public List<MonitorAssignment> Assignments { get { return _assignments; } }
+
+        public bool Active { get; set; }
+
+        #endregion
+
+        #region public methods
+
         public bool IsPointInPolygon4(GeoPoint testPoint)
         {
             bool result = false;
@@ -38,17 +69,62 @@ namespace bsmd.AIS2Service
             }
             return result;
         }
+
+        #endregion
+
     }
 
+    #endregion
+
+    #region class GeoPoint
+
     internal class GeoPoint
     {
-        public GeoPoint(double lat, double lon)
+
+        private int _id;
+
+        public GeoPoint(int id)
         {
-            Lat = lat; Lon = lon;
+            _id = id;
         }
 
-        public double Lat { get; private set; }
-        public double Lon { get; private set; }
+        public int Id { get { return _id; } }
+
+        public double Lat { get; set; }
+        public double Lon { get; set; }
     }
 
+    #endregion
+
+    #region class MonitorAssignment
+
+    internal class MonitorAssignment
+    {
+
+        private int _id;
+
+        public MonitorAssignment(int id)
+        {
+            _id = id;
+        }
+
+        public enum ZoneMonitorType
+        {
+            INACTIVE,
+            ENTER,
+            EXIT,
+            PASSTHROUGH, // outside - enter - inside - exit - outside
+            LEAVE_AND_RETURN // inside - exit - outside - enter - insider
+        }
+
+        public int Id { get { return _id; } }
+
+        public int MMSI { get; set; }
+
+        public ZoneMonitorType MonitorType { get; set; } = ZoneMonitorType.INACTIVE;
+
+    }
+
+    #endregion
+
 }