From c6997cceccf46e9bac627550200592d597ca9871 Mon Sep 17 00:00:00 2001
From: Pat Hartl <pat@pathar.tl>
Date: Sat, 15 Apr 2023 16:44:26 -0500
Subject: [PATCH] Display status of the server process

---
 LANCommander/Pages/Servers/Index.razor        | 50 +++++++++++++++++--
 LANCommander/Pages/Servers/Logs.razor         |  2 -
 LANCommander/Services/ServerProcessService.cs | 27 ++++++++++
 3 files changed, 74 insertions(+), 5 deletions(-)

diff --git a/LANCommander/Pages/Servers/Index.razor b/LANCommander/Pages/Servers/Index.razor
index 2deeefb..441525d 100644
--- a/LANCommander/Pages/Servers/Index.razor
+++ b/LANCommander/Pages/Servers/Index.razor
@@ -20,16 +20,48 @@
     <PropertyColumn Property="g => g.UpdatedBy" Sortable>
         @context.UpdatedBy?.UserName
     </PropertyColumn>
+    <Column TData="string" Title="Status">
+
+        @switch (Status.GetValueOrDefault(context.Id))
+        {
+            case ServerProcessStatus.Running:
+                <Badge Status="success" Text="Running" />
+                break;
+
+            case ServerProcessStatus.Starting:
+                <Badge Status="processing" Text="Starting" />
+                break;
+
+            case ServerProcessStatus.Error:
+                <Badge Status="error" Text="Error" />
+                break;
+
+            case ServerProcessStatus.Stopped:
+            default:
+                <Badge Status="default" Text="Stopped" />
+                break;
+        }
+    </Column>
     <ActionColumn Title="">
         <Space Direction="DirectionVHType.Horizontal">
             <SpaceItem>
                 <Button OnClick="() => Edit(context)">Edit</Button>
                 <Button OnClick="() => Logs(context)">Logs</Button>
-                <Button OnClick="() => Start(context)">Start</Button>
-                <Button OnClick="() => Stop(context)">Stop</Button>
+
+                @if (Status.GetValueOrDefault(context.Id) != ServerProcessStatus.Running)
+                {
+                    <Button Type="@ButtonType.Primary" OnClick="() => Start(context)">Start</Button>
+                }
+
+                @if (Status.GetValueOrDefault(context.Id) == ServerProcessStatus.Running)
+                {
+                    <Popconfirm OnConfirm="() => Stop(context)" Title="Are you sure you want to kill this server process?">
+                        <Button Danger Type="@ButtonType.Primary" OnClick="() => Stop(context)">Stop</Button>
+                    </Popconfirm>
+                }
             </SpaceItem>
             <SpaceItem>
-                <Popconfirm OnConfirm="() => Delete(context)" Title="Are you sure you want to delete this game?">
+                <Popconfirm OnConfirm="() => Delete(context)" Title="Are you sure you want to delete this server?">
                     <Button Icon="@IconType.Outline.Close" Type="@ButtonType.Text" Danger />
                 </Popconfirm>
             </SpaceItem>
@@ -41,6 +73,8 @@
     IEnumerable<Server> Servers { get; set; } = new List<Server>();
 
     bool Loading = true;
+    Dictionary<Guid, ServerProcessStatus> Status = new Dictionary<Guid, ServerProcessStatus>();
+    Timer Timer;
 
     protected override void OnAfterRender(bool firstRender)
     {
@@ -50,6 +84,16 @@
 
             Loading = false;
 
+            Timer = new Timer(async (object? stateInfo) =>
+            {
+                foreach (var server in Servers)
+                {
+                    Status[server.Id] = ServerProcessService.GetStatus(server);
+                }
+
+                await InvokeAsync(StateHasChanged);
+            }, new AutoResetEvent(false), 1000, 1000);
+
             StateHasChanged();
         }
     }
diff --git a/LANCommander/Pages/Servers/Logs.razor b/LANCommander/Pages/Servers/Logs.razor
index 0a2f61c..2537abd 100644
--- a/LANCommander/Pages/Servers/Logs.razor
+++ b/LANCommander/Pages/Servers/Logs.razor
@@ -40,8 +40,6 @@
         });
 
         await HubConnection.StartAsync();
-
-
     }
 
     protected override async Task OnAfterRenderAsync(bool firstRender)
diff --git a/LANCommander/Services/ServerProcessService.cs b/LANCommander/Services/ServerProcessService.cs
index 0cb6f2c..608d13d 100644
--- a/LANCommander/Services/ServerProcessService.cs
+++ b/LANCommander/Services/ServerProcessService.cs
@@ -4,6 +4,14 @@ using System.Diagnostics;
 
 namespace LANCommander.Services
 {
+    public enum ServerProcessStatus
+    {
+        Stopped,
+        Starting,
+        Running,
+        Error
+    }
+
     public class ServerProcessService
     {
         private readonly Logger Logger = LogManager.GetCurrentClassLogger();
@@ -53,5 +61,24 @@ namespace LANCommander.Services
                 process.Kill();
             }
         }
+
+        public ServerProcessStatus GetStatus(Server server)
+        {
+            Process process = null;
+
+            if (Processes.ContainsKey(server.Id))
+                process = Processes[server.Id];
+
+            if (process == null || process.HasExited)
+                return ServerProcessStatus.Stopped;
+
+            if (!process.HasExited)
+                return ServerProcessStatus.Running;
+
+            if (process.ExitCode != 0)
+                return ServerProcessStatus.Error;
+
+            return ServerProcessStatus.Stopped;
+        }
     }
 }