Allow run as a windows service (#274)

ci/Dockerfile

@@ -1,4 +1,4 @@
-FROM microsoft/dotnet:2.0-sdk
+FROM microsoft/dotnet:2.1-sdk
 
 # Install dependencies:
 RUN apt-get update && apt-get install -y \
@@ -25,6 +25,6 @@ WORKDIR /opt/neo-cli-github
 # Build the project
 RUN dotnet restore
 RUN dotnet publish -c Release
-RUN mv bin/Release/netcoreapp2.0/publish /opt/neo-cli
+RUN mv bin/Release/netcoreapp2.1/publish /opt/neo-cli
 
 WORKDIR /opt

neo-cli/Services/ConsoleServiceBase.cs

@@ -1,12 +1,16 @@
 using System;
+using System.Diagnostics;
+using System.IO;
 using System.Reflection;
 using System.Security;
+using System.ServiceProcess;
 using System.Text;
 
 namespace Neo.Services
 {
     public abstract class ConsoleServiceBase
     {
+        protected virtual string Depends => null;
         protected virtual string Prompt => "service";
 
         public abstract string ServiceName { get; }
@@ -102,17 +106,64 @@ public static SecureString ReadSecureString(string prompt)
 
         public void Run(string[] args)
         {
-            OnStart(args);
-            RunConsole();
-            OnStop();
+            if (Environment.UserInteractive)
+            {
+                if (args.Length > 0 && args[0] == "/install")
+                {
+                    if (Environment.OSVersion.Platform != PlatformID.Win32NT)
+                    {
+                        Console.WriteLine("Only support for installing services on Windows.");
+                        return;
+                    }
+                    string arguments = string.Format("create {0} start= auto binPath= \"{1}\"", ServiceName, Process.GetCurrentProcess().MainModule.FileName);
+                    if (!string.IsNullOrEmpty(Depends))
+                    {
+                        arguments += string.Format(" depend= {0}", Depends);
+                    }
+                    Process process = Process.Start(new ProcessStartInfo
+                    {
+                        Arguments = arguments,
+                        FileName = Path.Combine(Environment.SystemDirectory, "sc.exe"),
+                        RedirectStandardOutput = true,
+                        UseShellExecute = false
+                    });
+                    process.WaitForExit();
+                    Console.Write(process.StandardOutput.ReadToEnd());
+                }
+                else if (args.Length > 0 && args[0] == "/uninstall")
+                {
+                    if (Environment.OSVersion.Platform != PlatformID.Win32NT)
+                    {
+                        Console.WriteLine("Only support for installing services on Windows.");
+                        return;
+                    }
+                    Process process = Process.Start(new ProcessStartInfo
+                    {
+                        Arguments = string.Format("delete {0}", ServiceName),
+                        FileName = Path.Combine(Environment.SystemDirectory, "sc.exe"),
+                        RedirectStandardOutput = true,
+                        UseShellExecute = false
+                    });
+                    process.WaitForExit();
+                    Console.Write(process.StandardOutput.ReadToEnd());
+                }
+                else
+                {
+                    OnStart(args);
+                    RunConsole();
+                    OnStop();
+                }
+            }
+            else
+            {
+                ServiceBase.Run(new ServiceProxy(this));
+            }
         }
 
         private void RunConsole()
         {
             bool running = true;
-#if NET461
             Console.Title = ServiceName;
-#endif
             Console.OutputEncoding = Encoding.Unicode;
 
             Console.ForegroundColor = ConsoleColor.DarkGreen;

neo-cli/Services/ServiceProxy.cs

@@ -0,0 +1,24 @@
+using System.ServiceProcess;
+
+namespace Neo.Services
+{
+    internal class ServiceProxy : ServiceBase
+    {
+        private ConsoleServiceBase service;
+
+        public ServiceProxy(ConsoleServiceBase service)
+        {
+            this.service = service;
+        }
+
+        protected override void OnStart(string[] args)
+        {
+            service.OnStart(args);
+        }
+
+        protected override void OnStop()
+        {
+            service.OnStop();
+        }
+    }
+}

neo-cli/neo-cli.csproj

@@ -5,7 +5,7 @@
     <AssemblyTitle>Neo.CLI</AssemblyTitle>
     <Version>2.9.3</Version>
     <Authors>The Neo Project</Authors>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
     <AssemblyName>neo-cli</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Neo.CLI</PackageId>
@@ -29,6 +29,7 @@
 
   <ItemGroup>
     <PackageReference Include="Neo" Version="2.9.3" />
+    <PackageReference Include="System.ServiceProcess.ServiceController" Version="4.5.0" />
   </ItemGroup>
 
 </Project>