exposes metrics, registration and store apis in GarnetApplication

Author: s3w3nofficial

libs/host/GarnetApplicatrion.cs

@@ -6,17 +6,34 @@
 using System.Threading.Tasks;
 using Garnet.common;
 using Garnet.server;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 
 namespace Garnet;
 
 public class GarnetApplication : IHost
 {
+    public MetricsApi Metrics
+    {
+        get
+        {
+            return host.Services.GetRequiredService<MetricsApi>();
+        }
+    }
+    
     public RegisterApi Register
     {
         get
         {
-            throw new NotImplementedException();
+            return host.Services.GetRequiredService<RegisterApi>();
+        }
+    }
+    
+    public StoreApi Store 
+    {
+        get
+        {
+            return host.Services.GetRequiredService<StoreApi>();
         }
     }
 

main/GarnetServer/Program.cs

@@ -8,14 +8,16 @@
 
 var app = builder.Build();
 
+RegisterExtensions(app);
+
 app.Run();
 
 /// <summary>
 /// Register new commands with the server. You can access these commands from clients using
 /// commands such as db.Execute in StackExchange.Redis. Example:
 ///   db.Execute("SETIFPM", key, value, prefix);
 /// </summary>
-static void RegisterExtensions(GarnetServer server)
+static void RegisterExtensions(GarnetApplication server)
 {
     // Register custom command on raw strings (SETIFPM = "set if prefix match")
     // Add RESP command info to registration for command to appear when client runs COMMAND / COMMAND INFO