Initial implementation

Currently only supports Brennenstuhl devices RCS1000N and RCR1000N
tefinger · Nov 8, 2018 · 3c7e6f5 · 3c7e6f5
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diff --git a/Brematic.Net.sln b/Brematic.Net.sln
@@ -0,0 +1,45 @@
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diff --git a/samples/Brematic.Net.ConsoleSample/Brematic.Net.ConsoleSample.csproj b/samples/Brematic.Net.ConsoleSample/Brematic.Net.ConsoleSample.csproj
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Brematic.Net\Brematic.Net.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/samples/Brematic.Net.ConsoleSample/Program.cs b/samples/Brematic.Net.ConsoleSample/Program.cs
@@ -0,0 +1,21 @@
+using Brematic.Net.Devices;
+using Brematic.Net.Devices.Brennenstuhl;
+using Brematic.Net.Gateways;
+
+namespace Brematic.Net.ConsoleSample
+{
+    internal class Program
+    {
+        private static void Main(string[] args)
+        {
+            var systemCode = "01010";
+            var unitCode = "00010";
+
+            var device = new RCS1000N(systemCode, unitCode);
+
+            var gateway = new BrennenstuhlGateway("192.168.178.213");
+
+            gateway.SendRequest(device, DeviceAction.On);
+        }
+    }
+}
diff --git a/src/Brematic.Net/Brematic.Net.csproj b/src/Brematic.Net/Brematic.Net.csproj
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <Authors>Tobias Efinger</Authors>
+    <Version>0.0.1</Version>
+    <PackageProjectUrl>https://github.com/tefinger/Brematic.Net</PackageProjectUrl>
+    <RepositoryUrl>https://github.com/tefinger/Brematic.Net</RepositoryUrl>
+    <PackageTags>brematic intertechno brennenstuhl smarthome</PackageTags>
+  </PropertyGroup>
+
+</Project>
diff --git a/src/Brematic.Net/Devices/Brennenstuhl/RCR1000N.cs b/src/Brematic.Net/Devices/Brennenstuhl/RCR1000N.cs
@@ -0,0 +1,7 @@
+namespace Brematic.Net.Devices.Brennenstuhl
+{
+    public class RCR1000N : RCS1000N
+    {
+        public RCR1000N(string systemCode, string unitCode) : base(systemCode, unitCode) { }
+    }
+}
diff --git a/src/Brematic.Net/Devices/Brennenstuhl/RCS1000N.cs b/src/Brematic.Net/Devices/Brennenstuhl/RCS1000N.cs
@@ -0,0 +1,83 @@
+using Brematic.Net.Exceptions;
+using Brematic.Net.Gateways;
+
+namespace Brematic.Net.Devices.Brennenstuhl
+{
+    public class RCS1000N : Device
+    {
+        private const int Repeat = 10;
+        private const int PauseBS = 5600;
+        private const int PauseIT = 11200;
+        private const int Tune = 350;
+        private const int BaudBS = 25;
+        private const int BaudIT = 26;
+        private const int SpeedBS = 16;
+        private const int SpeedIT = 32;
+        private const int TxVersion = 1;
+
+        private const string Low = "1,";
+        private const string High = "3,";
+
+        private const string SeqLow = Low + High + Low + High;
+        private const string SeqHigh = Low + High + High + Low;
+
+        private const string Additional = SeqLow + SeqHigh;
+        private const string On = SeqLow + SeqHigh;
+        private const string Off = SeqHigh + SeqLow;
+
+        public RCS1000N(string systemCode, string unitCode) : base(systemCode, unitCode) { }
+
+        private string HeadBSGW => $"TXP:0,0,{Repeat},{PauseBS},{Tune},{BaudBS},";
+        private string TailBSGW => $"{TxVersion},{SpeedBS};";
+        private string HeadITGW => $"0,0,{Repeat},{PauseIT},{Tune},{BaudIT},0,";
+        private string TailITGW => $"{TxVersion},{SpeedIT},0";
+
+        private string Encode(string code)
+        {
+            var encodedMsg = "";
+            foreach (var c in code)
+                switch (c)
+                {
+                    case '0':
+                        encodedMsg += SeqHigh;
+                        break;
+                    case '1':
+                        encodedMsg += SeqLow;
+                        break;
+                    default:
+                        throw new InvalidCodeException();
+                }
+
+            return encodedMsg;
+        }
+
+        public override string GetSignal(Gateway gateway, DeviceAction action)
+        {
+            var systemMsg = Encode(SystemCode);
+            var unitMsg = Encode(UnitCode);
+
+            string head;
+            string tail;
+
+            if (gateway.GetType() == typeof(BrennenstuhlGateway))
+            {
+                head = HeadBSGW;
+                tail = TailBSGW;
+            }
+            else if (gateway.GetType() == typeof(IntertechnoGateway))
+            {
+                head = HeadITGW;
+                tail = TailITGW;
+            }
+            else
+            {
+                throw new UnsupportedGatewayException();
+            }
+
+            var actionValue = action == DeviceAction.On ? On : Off;
+            var data = head + systemMsg + unitMsg + actionValue + tail;
+
+            return data;
+        }
+    }
+}
diff --git a/src/Brematic.Net/Devices/Device.cs b/src/Brematic.Net/Devices/Device.cs
@@ -0,0 +1,19 @@
+using Brematic.Net.Gateways;
+
+namespace Brematic.Net.Devices
+{
+    public abstract class Device
+    {
+        protected Device(string systemCode, string unitCode)
+        {
+            SystemCode = systemCode;
+            UnitCode = unitCode;
+        }
+
+        protected string SystemCode { get; }
+
+        protected string UnitCode { get; }
+
+        public abstract string GetSignal(Gateway gateway, DeviceAction action);
+    }
+}
diff --git a/src/Brematic.Net/Devices/DeviceAction.cs b/src/Brematic.Net/Devices/DeviceAction.cs
@@ -0,0 +1,8 @@
+namespace Brematic.Net.Devices
+{
+    public enum DeviceAction
+    {
+        On,
+        Off
+    }
+}
diff --git a/src/Brematic.Net/Exceptions/InvalidCodeException.cs b/src/Brematic.Net/Exceptions/InvalidCodeException.cs
@@ -0,0 +1,9 @@
+using System;
+
+namespace Brematic.Net.Exceptions
+{
+    public class InvalidCodeException : Exception
+    {
+        public InvalidCodeException() : base("Invalid value in system or unit code!") { }
+    }
+}
diff --git a/src/Brematic.Net/Exceptions/UnsupportedGatewayException.cs b/src/Brematic.Net/Exceptions/UnsupportedGatewayException.cs
@@ -0,0 +1,9 @@
+using System;
+
+namespace Brematic.Net.Exceptions
+{
+    public class UnsupportedGatewayException : Exception
+    {
+        public UnsupportedGatewayException() : base("Unsupported gateway") { }
+    }
+}
diff --git a/src/Brematic.Net/Gateways/BrennenstuhlGateway.cs b/src/Brematic.Net/Gateways/BrennenstuhlGateway.cs
@@ -0,0 +1,11 @@
+using Brematic.Net.Devices;
+
+namespace Brematic.Net.Gateways
+{
+    public class BrennenstuhlGateway : Gateway
+    {
+        public BrennenstuhlGateway(string ipAddress) : this(ipAddress, 49880) { }
+
+        public BrennenstuhlGateway(string ipAddress, int port) : base(ipAddress, port) { }
+    }
+}
diff --git a/src/Brematic.Net/Gateways/Gateway.cs b/src/Brematic.Net/Gateways/Gateway.cs
@@ -0,0 +1,51 @@
+using System.Net;
+using System.Net.Sockets;
+using System.Text;
+using Brematic.Net.Devices;
+
+namespace Brematic.Net.Gateways
+{
+    public abstract class Gateway
+    {
+        protected Gateway(string ipAddress, int port)
+        {
+            IPAddress = ipAddress;
+            Port = port;
+        }
+
+        private string IPAddress { get; }
+
+        private int Port { get; }
+
+        public void SendRequest(Device device, DeviceAction action)
+        {
+            var data = device.GetSignal(this, action);
+            SendDataToSocket(data);
+        }
+
+        private Socket ConnectSocket()
+        {
+            var hostEntry = Dns.GetHostEntry(IPAddress);
+
+            foreach (var address in hostEntry.AddressList)
+            {
+                var ipEndPoint = new IPEndPoint(address, Port);
+                var tempSocket = new Socket(SocketType.Dgram, ProtocolType.Udp);
+                tempSocket.Connect(ipEndPoint);
+
+                if (tempSocket.Connected) return tempSocket;
+            }
+
+            return null;
+        }
+
+        protected void SendDataToSocket(string data)
+        {
+            var byteData = Encoding.UTF8.GetBytes(data);
+            using (var socket = ConnectSocket())
+            {
+                socket.Send(byteData);
+            }
+        }
+    }
+}
diff --git a/src/Brematic.Net/Gateways/IntertechnoGateway.cs b/src/Brematic.Net/Gateways/IntertechnoGateway.cs
@@ -0,0 +1,12 @@
+using System;
+using Brematic.Net.Devices;
+
+namespace Brematic.Net.Gateways
+{
+    public class IntertechnoGateway : Gateway
+    {
+        public IntertechnoGateway(string ipAddress) : this(ipAddress, 49880) { }
+
+        public IntertechnoGateway(string ipAddress, int port) : base(ipAddress, port) { }
+    }
+}
diff --git a/tests/Brematic.Net.Tests/Brematic.Net.Tests.csproj b/tests/Brematic.Net.Tests/Brematic.Net.Tests.csproj
@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>netcoreapp2.1;net471</TargetFrameworks>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
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+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
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+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Brematic.Net\Brematic.Net.csproj" />
+  </ItemGroup>
+
+</Project>