Kill NzbDrone process if service couldn't be stopped.

better Process/Service handling.

NzbDrone.Common.Test/ServiceProviderTests.cs

@@ -1,4 +1,5 @@
-using System.ServiceProcess;
+using System;
+using System.ServiceProcess;
 using FluentAssertions;
 using NUnit.Framework;
 using NzbDrone.Test.Common;
@@ -16,23 +17,28 @@ namespace NzbDrone.Common.Test
         public void Setup()
         {
             WindowsOnly();
-
-
-            if (Subject.ServiceExist(TEMP_SERVICE_NAME))
-            {
-                Subject.UnInstall(TEMP_SERVICE_NAME);
-            }
+            CleanupService();
         }
 
         [TearDown]
         public void TearDown()
         {
             WindowsOnly();
+            CleanupService();
+        }
+
 
+        private void CleanupService()
+        {
             if (Subject.ServiceExist(TEMP_SERVICE_NAME))
             {
                 Subject.UnInstall(TEMP_SERVICE_NAME);
             }
+
+            if (Subject.IsServiceRunning(ALWAYS_INSTALLED_SERVICE))
+            {
+                Subject.Stop(ALWAYS_INSTALLED_SERVICE);
+            }
         }
 
         [Test]
@@ -86,6 +92,19 @@ namespace NzbDrone.Common.Test
                 .Should().Be(ServiceControllerStatus.Stopped);
         }
 
+        [Test]
+        public void should_throw_if_starting_a_running_serivce()
+        {
+            Subject.GetService(ALWAYS_INSTALLED_SERVICE).Status
+               .Should().NotBe(ServiceControllerStatus.Running);
+
+            Subject.Start(ALWAYS_INSTALLED_SERVICE);
+            Assert.Throws<InvalidOperationException>(() => Subject.Start(ALWAYS_INSTALLED_SERVICE));
+
+
+            ExceptionVerification.ExpectedWarns(1);
+        }
+
         [Test]
         public void Should_log_warn_if_on_stop_if_service_is_already_stopped()
         {

NzbDrone.Common/NzbDrone.Common.csproj

@@ -148,14 +148,14 @@
     <Compile Include="Contract\ParseErrorReport.cs" />
     <Compile Include="Model\AuthenticationType.cs" />
     <Compile Include="PathExtensions.cs" />
-    <Compile Include="IDiskProvider.cs" />
+    <Compile Include="DiskProvider.cs" />
     <Compile Include="EnvironmentInfo\AppFolderInfo.cs" />
     <Compile Include="Model\ProcessInfo.cs" />
-    <Compile Include="IProcessProvider.cs" />
+    <Compile Include="ProcessProvider.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Properties\SharedAssemblyInfo.cs" />
     <Compile Include="RestProvider.cs" />
-    <Compile Include="IServiceProvider.cs" />
+    <Compile Include="ServiceProvider.cs" />
     <Compile Include="TinyIoC.cs" />
     <Compile Include="TryParseExtension.cs" />
   </ItemGroup>

NzbDrone.Common/ProcessProvider.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using NLog;
@@ -12,10 +11,9 @@ namespace NzbDrone.Common
         ProcessInfo GetCurrentProcess();
         ProcessInfo GetProcessById(int id);
         IEnumerable<ProcessInfo> GetProcessByName(string name);
-        void Start(string path);
+        Process Start(string path);
         Process Start(ProcessStartInfo startInfo);
         void WaitForExit(Process process);
-        void Kill(int processId);
         void SetPriority(int processId, ProcessPriorityClass priority);
         void KillAll(string processName);
     }
@@ -27,12 +25,12 @@ namespace NzbDrone.Common
         public const string NzbDroneProcessName = "NzbDrone";
         public const string NzbDroneConsoleProcessName = "NzbDrone.Console";
 
-        public  ProcessInfo GetCurrentProcess()
+        public ProcessInfo GetCurrentProcess()
         {
             return ConvertToProcessInfo(Process.GetCurrentProcess());
         }
 
-        public  ProcessInfo GetProcessById(int id)
+        public ProcessInfo GetProcessById(int id)
         {
             Logger.Trace("Finding process with Id:{0}", id);
 
@@ -50,17 +48,17 @@ namespace NzbDrone.Common
             return processInfo;
         }
 
-        public  IEnumerable<ProcessInfo> GetProcessByName(string name)
+        public IEnumerable<ProcessInfo> GetProcessByName(string name)
         {
             return Process.GetProcessesByName(name).Select(ConvertToProcessInfo).Where(p => p != null);
         }
 
-        public  void Start(string path)
+        public Process Start(string path)
         {
-            Process.Start(path);
+            return Start(new ProcessStartInfo(path));
         }
 
-        public  Process Start(ProcessStartInfo startInfo)
+        public Process Start(ProcessStartInfo startInfo)
         {
             Logger.Info("Starting process. [{0}]", startInfo.FileName);
 
@@ -69,38 +67,19 @@ namespace NzbDrone.Common
                                   StartInfo = startInfo
                               };
             process.Start();
+
             return process;
         }
 
-        public  void WaitForExit(Process process)
+        public void WaitForExit(Process process)
         {
             Logger.Trace("Waiting for process {0} to exit.", process.ProcessName);
             process.WaitForExit();
         }
 
-        public  void Kill(int processId)
-        {
-            if (processId == 0 || Process.GetProcesses().All(p => p.Id != processId))
-            {
-                Logger.Warn("Cannot find process with id: {0}", processId);
-                return;
-            }
 
-            var process = Process.GetProcessById(processId);
 
-            if (process.HasExited)
-            {
-                return;
-            }
-
-            Logger.Info("[{0}]: Killing process", process.Id);
-            process.Kill();
-            Logger.Info("[{0}]: Waiting for exit", process.Id);
-            process.WaitForExit();
-            Logger.Info("[{0}]: Process terminated successfully", process.Id);
-        }
-
-        public  void SetPriority(int processId, ProcessPriorityClass priority)
+        public void SetPriority(int processId, ProcessPriorityClass priority)
         {
             var process = Process.GetProcessById(processId);
 
@@ -125,7 +104,7 @@ namespace NzbDrone.Common
                        };
         }
 
-        public  void KillAll(string processName)
+        public void KillAll(string processName)
         {
             var processToKill = GetProcessByName(processName);
 
@@ -134,5 +113,27 @@ namespace NzbDrone.Common
                 Kill(processInfo.Id);
             }
         }
+
+        private void Kill(int processId)
+        {
+            if (processId == 0 || Process.GetProcesses().All(p => p.Id != processId))
+            {
+                Logger.Warn("Cannot find process with id: {0}", processId);
+                return;
+            }
+
+            var process = Process.GetProcessById(processId);
+
+            if (process.HasExited)
+            {
+                return;
+            }
+
+            Logger.Info("[{0}]: Killing process", process.Id);
+            process.Kill();
+            Logger.Info("[{0}]: Waiting for exit", process.Id);
+            process.WaitForExit();
+            Logger.Info("[{0}]: Process terminated successfully", process.Id);
+        }
     }
 }

NzbDrone.Common/ServiceProvider.cs

@@ -41,7 +41,11 @@ namespace NzbDrone.Common
             var service = ServiceController.GetServices()
                 .SingleOrDefault(s => String.Equals(s.ServiceName, name, StringComparison.InvariantCultureIgnoreCase));
 
-            return service != null && (service.Status == ServiceControllerStatus.Running || service.Status == ServiceControllerStatus.StartPending);
+            return service != null && (
+                service.Status != ServiceControllerStatus.Stopped || 
+                service.Status == ServiceControllerStatus.StopPending || 
+                service.Status == ServiceControllerStatus.Paused || 
+                service.Status == ServiceControllerStatus.PausePending);
         }
 
         public virtual void Install(string serviceName)

NzbDrone.Update/UpdateEngine/TerminateNzbDrone.cs

@@ -33,12 +33,13 @@ namespace NzbDrone.Update.UpdateEngine
             {
                 try
                 {
+                    _logger.Info("NzbDrone Service is installed and running");
                     _serviceProvider.Stop(ServiceProvider.NZBDRONE_SERVICE_NAME);
 
                 }
-                catch (InvalidOperationException e)
+                catch (Exception e)
                 {
-                    _logger.WarnException("couldn't stop service", e);
+                    _logger.ErrorException("couldn't stop service", e);
                 }
             }