commit e231c49bc8f2529d68f6192df5ce946853bf299f
Author: ygl <ygl@roundgis.net>
Date:   Fri Nov 11 03:19:03 2022 +0800

    first

diff --git a/realm_cli/FodyWeavers.xml b/realm_cli/FodyWeavers.xml
new file mode 100644
index 0000000..9918007
--- /dev/null
+++ b/realm_cli/FodyWeavers.xml
@@ -0,0 +1,3 @@
+<Weavers xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="FodyWeavers.xsd">
+  <Realm />
+</Weavers>
\ No newline at end of file
diff --git a/realm_cli/FodyWeavers.xsd b/realm_cli/FodyWeavers.xsd
new file mode 100644
index 0000000..4fcc6ff
--- /dev/null
+++ b/realm_cli/FodyWeavers.xsd
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
+  <!-- This file was generated by Fody. Manual changes to this file will be lost when your project is rebuilt. -->
+  <xs:element name="Weavers">
+    <xs:complexType>
+      <xs:all>
+        <xs:element name="Realm" minOccurs="0" maxOccurs="1">
+          <xs:complexType>
+            <xs:attribute name="DisableAnalytics" type="xs:boolean">
+              <xs:annotation>
+                <xs:documentation>Disables anonymized usage information from being sent on build. Read more about what data is being collected and why here: https://github.com/realm/realm-dotnet/blob/main/Realm/Realm.Weaver/Analytics.cs</xs:documentation>
+              </xs:annotation>
+            </xs:attribute>
+          </xs:complexType>
+        </xs:element>
+      </xs:all>
+      <xs:attribute name="VerifyAssembly" type="xs:boolean">
+        <xs:annotation>
+          <xs:documentation>'true' to run assembly verification (PEVerify) on the target assembly after all weavers have been executed.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+      <xs:attribute name="VerifyIgnoreCodes" type="xs:string">
+        <xs:annotation>
+          <xs:documentation>A comma-separated list of error codes that can be safely ignored in assembly verification.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+      <xs:attribute name="GenerateXsd" type="xs:boolean">
+        <xs:annotation>
+          <xs:documentation>'false' to turn off automatic generation of the XML Schema file.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+</xs:schema>
\ No newline at end of file
diff --git a/realm_cli/LiveData.cs b/realm_cli/LiveData.cs
new file mode 100644
index 0000000..d1701cd
--- /dev/null
+++ b/realm_cli/LiveData.cs
@@ -0,0 +1,226 @@
+using MongoDB.Bson;
+using Realms;
+
+namespace realm_cli;
+
+public class LiveData : RealmObject
+{
+    [PrimaryKey] public ObjectId ObjId { get; set; } = ObjectId.GenerateNewId();
+
+    private int ecu_id;
+
+    public int EcuId
+    {
+        get => this.ecu_id;
+        set
+        {
+            this.ecu_id = value;
+            OnPropertyChanged(nameof(EcuId));
+        }
+    }
+
+    private ushort block_id;
+
+    public ushort BlockId
+    {
+        get => this.block_id;
+        set
+        {
+            this.block_id = value;
+            OnPropertyChanged(nameof(BlockId));
+        }
+    } //reserved
+    
+
+    [MapTo("item_id")]
+    public int ItemId { get; set; }
+
+    private string display_name;
+
+    public string DisplayName
+    {
+        get => this.display_name;
+        set
+        {
+            this.display_name = value;
+            OnPropertyChanged(nameof(DisplayName));
+        }
+    }
+
+    private string val_unit = string.Empty;
+
+    public string ValUnit
+    {
+        get => this.val_unit;
+        set
+        {
+            this.val_unit = value;
+            OnPropertyChanged(nameof(ValUnit));
+        }
+    }
+
+    public float? Val { get; set; }
+
+    private string _display_value = "";
+
+    public string DisplayValue
+    {
+        get => this._display_value;
+        set
+        {
+            this._display_value = value;
+            this.OnPropertyChanged(nameof(DisplayValue));
+        }
+    }
+
+    public string ValueLabel { get; set; }
+
+    private DateTime? _uts;
+
+    public DateTime? Uts
+    {
+        get => this._uts;
+        set
+        {
+            this._uts = value;
+            OnPropertyChanged(nameof(Uts));
+        }
+    }
+
+    private double min_;
+
+    public double Min
+    {
+        get => this.min_;
+        set
+        {
+            this.min_ = value;
+            OnPropertyChanged(nameof(Min));
+        }
+    }
+
+    private double max_;
+
+    public double Max
+    {
+        get => this.max_;
+        set
+        {
+            this.max_ = value;
+            OnPropertyChanged(nameof(Max));
+        }
+    }
+
+    private double gauge_range_start1;
+
+    public double GaugeRangeStart1
+    {
+        get => this.gauge_range_start1;
+        set
+        {
+            this.gauge_range_start1 = value;
+            OnPropertyChanged(nameof(GaugeRangeStart1));
+        }
+    }
+
+    private double gauge_range_end1;
+
+    public double GaugeRangeEnd1
+    {
+        get => this.gauge_range_end1;
+        set
+        {
+            this.gauge_range_end1 = value;
+            OnPropertyChanged(nameof(GaugeRangeEnd1));
+        }
+    }
+
+    private double gauge_range_start2;
+
+    public double GaugeRangeStart2
+    {
+        get => this.gauge_range_start2;
+        set
+        {
+            this.gauge_range_start2 = value;
+            OnPropertyChanged(nameof(GaugeRangeStart2));
+        }
+    }
+
+    private double gauge_range_end2;
+
+    public double GaugeRangeEnd2
+    {
+        get => this.gauge_range_end2;
+        set
+        {
+            this.gauge_range_end2 = value;
+            OnPropertyChanged(nameof(GaugeRangeEnd2));
+        }
+    }
+
+    private double gauge_range_start3;
+
+    public double GaugeRangeStart3
+    {
+        get => this.gauge_range_start3;
+        set
+        {
+            this.gauge_range_start3 = value;
+            OnPropertyChanged(nameof(GaugeRangeStart3));
+        }
+    }
+
+    private double gauge_range_end3;
+
+    public double GaugeRangeEnd3
+    {
+        get => this.gauge_range_end3;
+        set
+        {
+            this.gauge_range_end3 = value;
+            OnPropertyChanged(nameof(GaugeRangeEnd3));
+        }
+    }
+
+    private double gauge_range_start4;
+
+    public double GaugeRangeStart4
+    {
+        get => this.gauge_range_start4;
+        set
+        {
+            this.gauge_range_start4 = value;
+            OnPropertyChanged(nameof(GaugeRangeStart4));
+        }
+    }
+
+    private double gauge_range_end4;
+
+    public double GaugeRangeEnd4
+    {
+        get => this.gauge_range_end4;
+        set
+        {
+            this.gauge_range_end4 = value;
+            OnPropertyChanged(nameof(GaugeRangeEnd4));
+        }
+    }
+
+    private double gauge_scale_interval;
+
+    public double GaugeScaleInterval
+    {
+        get => this.gauge_scale_interval;
+        set
+        {
+            this.gauge_scale_interval = value;
+            OnPropertyChanged(nameof(GaugeScaleInterval));
+        }
+    }
+
+    public override string ToString()
+    {
+        return $"ecu: {EcuId} item: {ItemId} value: {Val} name: {this.DisplayName} display value: {this.DisplayValue}";
+    }
+}
\ No newline at end of file
diff --git a/realm_cli/Program.cs b/realm_cli/Program.cs
new file mode 100644
index 0000000..0a987a7
--- /dev/null
+++ b/realm_cli/Program.cs
@@ -0,0 +1,59 @@
+// See https://aka.ms/new-console-template for more information
+
+using System.ComponentModel;
+using realm_cli;
+using Realms;
+
+
+Realm GetDB()
+{
+    var cfg = new RealmConfiguration("c:/prjs/realm_test.db");
+    cfg.SchemaVersion = 2;
+    return Realm.GetInstance(cfg);
+}
+
+Realm GetMemDB()
+{
+    return Realm.GetInstance(new InMemoryConfiguration("test"));
+}
+
+void PropChanged(object arg, PropertyChangedEventArgs e)
+{
+    var src = (LiveData) arg;
+    if (e.PropertyName == nameof(src.ItemId))
+    {
+        Console.WriteLine(src);
+    }
+}
+
+async Task InsertLiveData()
+{
+    var b = DateTime.Now;
+    for (var i = 0; i != 10; ++i)
+    {
+        var item = new LiveData() {ItemId = i, EcuId = 0, Val = new Random().NextSingle()*i};
+        //item.PropertyChanged += PropChanged;
+        item.ItemId = i;
+        item.ValueLabel = item.Val.ToString();
+        var db = GetDB();
+        await db.WriteAsync((realm =>
+        {
+            realm.Add(item);
+        }));
+    }
+    Console.WriteLine($"insert needs {(DateTime.Now - b).TotalSeconds} secs");
+}
+
+async Task QueryLiveData()
+{
+    var b = DateTime.Now;
+    for (var i = 0; i != 100; ++i)
+    {
+        var db = GetDB();
+        var cs = db.All<LiveData>().Where(i1 => i1.ItemId == i);
+        Console.WriteLine(cs.FirstOrDefault());
+    }
+}
+
+//await InsertLiveData();
+await QueryLiveData();
diff --git a/realm_cli/realm_cli.csproj b/realm_cli/realm_cli.csproj
new file mode 100644
index 0000000..a9db1cf
--- /dev/null
+++ b/realm_cli/realm_cli.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Realm" Version="10.18.0" />
+  </ItemGroup>
+
+</Project>