WIP

.run/Agent 1.run.xml

@@ -9,10 +9,10 @@
       <env name="AGENT_NAME" value="Agent 1" />
       <env name="ALLOWED_RCON_PORTS" value="25575,27000,27001" />
       <env name="ALLOWED_SERVER_PORTS" value="25565,26000,26001" />
+      <env name="CONTROLLER_HOST" value="localhost" />
       <env name="JAVA_SEARCH_PATH" value="~/.jdks" />
       <env name="MAX_INSTANCES" value="3" />
       <env name="MAX_MEMORY" value="12G" />
-      <env name="SERVER_HOST" value="localhost" />
     </envs>
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />

.run/Agent 2.run.xml

@@ -9,10 +9,10 @@
       <env name="AGENT_NAME" value="Agent 2" />
       <env name="ALLOWED_RCON_PORTS" value="27002-27006" />
       <env name="ALLOWED_SERVER_PORTS" value="26002-26006" />
+      <env name="CONTROLLER_HOST" value="localhost" />
       <env name="JAVA_SEARCH_PATH" value="~/.jdks" />
       <env name="MAX_INSTANCES" value="5" />
       <env name="MAX_MEMORY" value="10G" />
-      <env name="SERVER_HOST" value="localhost" />
     </envs>
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />

.run/Agent 3.run.xml

@@ -9,10 +9,10 @@
       <env name="AGENT_NAME" value="Agent 3" />
       <env name="ALLOWED_RCON_PORTS" value="27007" />
       <env name="ALLOWED_SERVER_PORTS" value="26007" />
+      <env name="CONTROLLER_HOST" value="localhost" />
       <env name="JAVA_SEARCH_PATH" value="~/.jdks" />
       <env name="MAX_INSTANCES" value="1" />
       <env name="MAX_MEMORY" value="2560M" />
-      <env name="SERVER_HOST" value="localhost" />
     </envs>
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />

.run/Controller.run.xml

@@ -1,18 +1,17 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Server" type="DotNetProject" factoryName=".NET Project">
+  <configuration default="false" name="Controller" type="DotNetProject" factoryName=".NET Project">
     <option name="EXE_PATH" value="$PROJECT_DIR$/.artifacts/bin/Phantom.Controller/debug/Phantom.Controller.exe" />
     <option name="PROGRAM_PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/.workdir/Server" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/.workdir/Controller" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <envs>
-      <env name="ASPNETCORE_ENVIRONMENT" value="Development" />
+      <env name="AGENT_RPC_SERVER_HOST" value="localhost" />
       <env name="PG_DATABASE" value="postgres" />
       <env name="PG_HOST" value="localhost" />
       <env name="PG_PASS" value="development" />
-      <env name="PG_PORT" value="9402" />
+      <env name="PG_PORT" value="9403" />
       <env name="PG_USER" value="postgres" />
-      <env name="RPC_SERVER_HOST" value="localhost" />
+      <env name="WEB_RPC_SERVER_HOST" value="localhost" />
-      <env name="WEB_SERVER_HOST" value="localhost" />
     </envs>
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />

.run/Web.run.xml

@@ -0,0 +1,24 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Web" type="DotNetProject" factoryName=".NET Project">
+    <option name="EXE_PATH" value="$PROJECT_DIR$/.artifacts/bin/Phantom.Web/debug/Phantom.Web.exe" />
+    <option name="PROGRAM_PARAMETERS" value="" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/.workdir/Web" />
+    <option name="PASS_PARENT_ENVS" value="1" />
+    <envs>
+      <env name="ASPNETCORE_ENVIRONMENT" value="Development" />
+      <env name="WEB_SERVER_HOST" value="localhost" />
+    </envs>
+    <option name="USE_EXTERNAL_CONSOLE" value="0" />
+    <option name="USE_MONO" value="0" />
+    <option name="RUNTIME_ARGUMENTS" value="" />
+    <option name="PROJECT_PATH" value="$PROJECT_DIR$/Web/Phantom.Web/Phantom.Web.csproj" />
+    <option name="PROJECT_EXE_PATH_TRACKING" value="1" />
+    <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
+    <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="0" />
+    <option name="PROJECT_KIND" value="DotNetCore" />
+    <option name="PROJECT_TFM" value="net8.0" />
+    <method v="2">
+      <option name="Build" />
+    </method>
+  </configuration>
+</component>

.workdir/Controller/.gitignore

@@ -0,0 +1 @@
+

.workdir/Controller/secrets/web.key

@@ -0,0 +1,2 @@
+±™h?־<>ֹBx
+<02>
–f-<2D>¢יא
<01>“ש"8”כיJ–<4A>‎Jn/וda

.workdir/Controller/secrets/web.secret

@@ -0,0 +1 @@
+TΦ./gϋΏNρ°t<C2B0>$Ν!Β(ƒρ#η~ΖΞ}<14><:

Agent/Phantom.Agent.Rpc/KeepAliveLoop.cs

@@ -1,5 +1,7 @@
 using Phantom.Common.Logging;
-using Phantom.Common.Messages.ToServer;
+using Phantom.Common.Messages.Agent;
+using Phantom.Common.Messages.Agent.ToController;
+using Phantom.Utils.Rpc;
 using Serilog;
 
 namespace Phantom.Agent.Rpc;
@@ -9,10 +11,10 @@ sealed class KeepAliveLoop {
 
 	private static readonly TimeSpan KeepAliveInterval = TimeSpan.FromSeconds(10);
 
-	private readonly RpcServerConnection connection;
+	private readonly RpcConnectionToServer<IMessageToControllerListener> connection;
 	private readonly CancellationTokenSource cancellationTokenSource = new ();
 
-	public KeepAliveLoop(RpcServerConnection connection) {
+	public KeepAliveLoop(RpcConnectionToServer<IMessageToControllerListener> connection) {
 		this.connection = connection;
 		Task.Run(Run);
 	}

Agent/Phantom.Agent.Rpc/Phantom.Agent.Rpc.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <ProjectReference Include="..\..\Common\Phantom.Common.Messages\Phantom.Common.Messages.csproj" />
+    <ProjectReference Include="..\..\Common\Phantom.Common.Messages.Agent\Phantom.Common.Messages.Agent.csproj" />
   </ItemGroup>
 
 </Project>

Agent/Phantom.Agent.Rpc/RpcLauncher.cs

@@ -1,9 +1,9 @@
 using NetMQ;
 using NetMQ.Sockets;
 using Phantom.Common.Data.Agent;
-using Phantom.Common.Messages;
+using Phantom.Common.Messages.Agent;
-using Phantom.Common.Messages.BiDirectional;
+using Phantom.Common.Messages.Agent.BiDirectional;
-using Phantom.Common.Messages.ToServer;
+using Phantom.Common.Messages.Agent.ToController;
 using Phantom.Utils.Rpc;
 using Phantom.Utils.Rpc.Message;
 using Phantom.Utils.Tasks;
@@ -13,25 +13,25 @@ using Serilog.Events;
 namespace Phantom.Agent.Rpc;
 
 public sealed class RpcLauncher : RpcRuntime<ClientSocket> {
-	public static Task Launch(RpcConfiguration config, AgentAuthToken authToken, AgentInfo agentInfo, Func<RpcServerConnection, IMessageToAgentListener> listenerFactory, SemaphoreSlim disconnectSemaphore, CancellationToken receiveCancellationToken) {
+	public static Task Launch(RpcConfiguration config, AuthToken authToken, AgentInfo agentInfo, Func<RpcConnectionToServer<IMessageToControllerListener>, IMessageToAgentListener> listenerFactory, SemaphoreSlim disconnectSemaphore, CancellationToken receiveCancellationToken) {
 		var socket = new ClientSocket();
 		var options = socket.Options;
 
 		options.CurveServerCertificate = config.ServerCertificate;
 		options.CurveCertificate = new NetMQCertificate();
-		options.HelloMessage = MessageRegistries.ToServer.Write(new RegisterAgentMessage(authToken, agentInfo)).ToArray();
+		options.HelloMessage = AgentMessageRegistries.ToController.Write(new RegisterAgentMessage(authToken, agentInfo)).ToArray();
 
 		return new RpcLauncher(config, socket, agentInfo.Guid, listenerFactory, disconnectSemaphore, receiveCancellationToken).Launch();
 	}
 
 	private readonly RpcConfiguration config;
 	private readonly Guid agentGuid;
-	private readonly Func<RpcServerConnection, IMessageToAgentListener> messageListenerFactory;
+	private readonly Func<RpcConnectionToServer<IMessageToControllerListener>, IMessageToAgentListener> messageListenerFactory;
 
 	private readonly SemaphoreSlim disconnectSemaphore;
 	private readonly CancellationToken receiveCancellationToken;
 
-	private RpcLauncher(RpcConfiguration config, ClientSocket socket, Guid agentGuid, Func<RpcServerConnection, IMessageToAgentListener> messageListenerFactory, SemaphoreSlim disconnectSemaphore, CancellationToken receiveCancellationToken) : base(config, socket) {
+	private RpcLauncher(RpcConfiguration config, ClientSocket socket, Guid agentGuid, Func<RpcConnectionToServer<IMessageToControllerListener>, IMessageToAgentListener> messageListenerFactory, SemaphoreSlim disconnectSemaphore, CancellationToken receiveCancellationToken) : base(config, socket) {
 		this.config = config;
 		this.agentGuid = agentGuid;
 		this.messageListenerFactory = messageListenerFactory;
@@ -49,7 +49,7 @@ public sealed class RpcLauncher : RpcRuntime<ClientSocket> {
 	}
 
 	protected override void Run(ClientSocket socket, MessageReplyTracker replyTracker, TaskManager taskManager) {
-		var connection = new RpcServerConnection(socket, replyTracker);
+		var connection = new RpcConnectionToServer<IMessageToControllerListener>(socket, AgentMessageRegistries.ToController, replyTracker);
 		ServerMessaging.SetCurrentConnection(connection);
 		
 		var logger = config.RuntimeLogger;
@@ -63,7 +63,7 @@ public sealed class RpcLauncher : RpcRuntime<ClientSocket> {
 				LogMessageType(logger, data);
 				
 				if (data.Length > 0) {
-					MessageRegistries.ToAgent.Handle(data, handler);
+					AgentMessageRegistries.ToAgent.Handle(data, handler);
 				}
 			}
 		} catch (OperationCanceledException) {
@@ -81,11 +81,11 @@ public sealed class RpcLauncher : RpcRuntime<ClientSocket> {
 			return;
 		}
 
-		if (data.Length > 0 && MessageRegistries.ToAgent.TryGetType(data, out var type)) {
+		if (data.Length > 0 && AgentMessageRegistries.ToAgent.TryGetType(data, out var type)) {
-			logger.Verbose("Received {MessageType} ({Bytes} B) from server.", type.Name, data.Length);
+			logger.Verbose("Received {MessageType} ({Bytes} B) from controller.", type.Name, data.Length);
 		}
 		else {
-			logger.Verbose("Received {Bytes} B message from server.", data.Length);
+			logger.Verbose("Received {Bytes} B message from controller.", data.Length);
 		}
 	}
 
@@ -93,7 +93,7 @@ public sealed class RpcLauncher : RpcRuntime<ClientSocket> {
 		var unregisterTimeoutTask = Task.Delay(TimeSpan.FromSeconds(5), CancellationToken.None);
 		var finishedTask = await Task.WhenAny(ServerMessaging.Send(new UnregisterAgentMessage(agentGuid)), unregisterTimeoutTask);
 		if (finishedTask == unregisterTimeoutTask) {
-			config.RuntimeLogger.Error("Timed out communicating agent shutdown with the server.");
+			config.RuntimeLogger.Error("Timed out communicating agent shutdown with the controller.");
 		}
 	}
 

Agent/Phantom.Agent.Rpc/RpcServerConnection.cs

@@ -1,41 +0,0 @@
-using NetMQ;
-using NetMQ.Sockets;
-using Phantom.Common.Messages;
-using Phantom.Common.Messages.BiDirectional;
-using Phantom.Utils.Rpc.Message;
-
-namespace Phantom.Agent.Rpc; 
-
-public sealed class RpcServerConnection {
-	private readonly ClientSocket socket;
-	private readonly MessageReplyTracker replyTracker;
-
-	internal RpcServerConnection(ClientSocket socket, MessageReplyTracker replyTracker) {
-		this.socket = socket;
-		this.replyTracker = replyTracker;
-	}
-
-	internal async Task Send<TMessage>(TMessage message) where TMessage : IMessageToServer {
-		var bytes = MessageRegistries.ToServer.Write(message).ToArray();
-		if (bytes.Length > 0) {
-			await socket.SendAsync(bytes);
-		}
-	}
-
-	internal async Task<TReply?> Send<TMessage, TReply>(TMessage message, TimeSpan waitForReplyTime, CancellationToken waitForReplyCancellationToken) where TMessage : IMessageToServer<TReply> where TReply : class {
-		var sequenceId = replyTracker.RegisterReply();
-		
-		var bytes = MessageRegistries.ToServer.Write<TMessage, TReply>(sequenceId, message).ToArray();
-		if (bytes.Length == 0) {
-			replyTracker.ForgetReply(sequenceId);
-			return null;
-		}
-
-		await socket.SendAsync(bytes);
-		return await replyTracker.WaitForReply<TReply>(sequenceId, waitForReplyTime, waitForReplyCancellationToken);
-	}
-
-	public void Receive(ReplyMessage message) {
-		replyTracker.ReceiveReply(message.SequenceId, message.SerializedReply);
-	}
-}

Agent/Phantom.Agent.Rpc/ServerMessaging.cs

@@ -1,5 +1,6 @@
 using Phantom.Common.Logging;
-using Phantom.Common.Messages;
+using Phantom.Common.Messages.Agent;
+using Phantom.Utils.Rpc;
 using Serilog;
 
 namespace Phantom.Agent.Rpc;
@@ -7,12 +8,12 @@ namespace Phantom.Agent.Rpc;
 public static class ServerMessaging {
 	private static readonly ILogger Logger = PhantomLogger.Create(nameof(ServerMessaging));
 	
-	private static RpcServerConnection? CurrentConnection { get; set; }
+	private static RpcConnectionToServer<IMessageToControllerListener>? CurrentConnection { get; set; }
-	private static RpcServerConnection CurrentConnectionOrThrow => CurrentConnection ?? throw new InvalidOperationException("Server connection not ready.");
+	private static RpcConnectionToServer<IMessageToControllerListener> CurrentConnectionOrThrow => CurrentConnection ?? throw new InvalidOperationException("Server connection not ready.");
 	
 	private static readonly object SetCurrentConnectionLock = new ();
 
-	internal static void SetCurrentConnection(RpcServerConnection connection) {
+	internal static void SetCurrentConnection(RpcConnectionToServer<IMessageToControllerListener> connection) {
 		lock (SetCurrentConnectionLock) {
 			if (CurrentConnection != null) {
 				throw new InvalidOperationException("Server connection can only be set once.");
@@ -24,11 +25,11 @@ public static class ServerMessaging {
 		Logger.Information("Server connection ready.");
 	}
 
-	public static Task Send<TMessage>(TMessage message) where TMessage : IMessageToServer {
+	public static Task Send<TMessage>(TMessage message) where TMessage : IMessageToController {
 		return CurrentConnectionOrThrow.Send(message);
 	}
 
-	public static Task<TReply?> Send<TMessage, TReply>(TMessage message, TimeSpan waitForReplyTime, CancellationToken waitForReplyCancellationToken) where TMessage : IMessageToServer<TReply> where TReply : class {
+	public static Task<TReply?> Send<TMessage, TReply>(TMessage message, TimeSpan waitForReplyTime, CancellationToken waitForReplyCancellationToken) where TMessage : IMessageToController<TReply> where TReply : class {
 		return CurrentConnectionOrThrow.Send<TMessage, TReply>(message, waitForReplyTime, waitForReplyCancellationToken);
 	}
 }

Agent/Phantom.Agent.Services/Backups/BackupManager.cs

@@ -102,7 +102,7 @@ sealed class BackupManager : IDisposable {
 
 		private void LogBackupResult(BackupCreationResult result) {
 			if (result.Kind != BackupCreationResultKind.Success) {
-				logger.Warning("Backup failed: {Reason}", result.Kind.ToSentence());
+				logger.Warning("Backup failed: {Reason}", DescribeResult(result.Kind));
 				return;
 			}
 			
@@ -114,5 +114,19 @@ sealed class BackupManager : IDisposable {
 				logger.Information("Backup finished successfully.");
 			}
 		}
+
+		private static string DescribeResult(BackupCreationResultKind kind) {
+			return kind switch {
+				BackupCreationResultKind.Success                            => "Backup created successfully.",
+				BackupCreationResultKind.InstanceNotRunning                 => "Instance is not running.",
+				BackupCreationResultKind.BackupCancelled                    => "Backup cancelled.",
+				BackupCreationResultKind.BackupAlreadyRunning               => "A backup is already being created.",
+				BackupCreationResultKind.BackupFileAlreadyExists            => "Backup with the same name already exists.",
+				BackupCreationResultKind.CouldNotCreateBackupFolder         => "Could not create backup folder.",
+				BackupCreationResultKind.CouldNotCopyWorldToTemporaryFolder => "Could not copy world to temporary folder.",
+				BackupCreationResultKind.CouldNotCreateWorldArchive         => "Could not create world archive.",
+				_                                                           => "Unknown error."
+			};
+		}
 	}
 }

Agent/Phantom.Agent.Services/Instances/Instance.cs

@@ -6,7 +6,7 @@ using Phantom.Common.Data.Instance;
 using Phantom.Common.Data.Minecraft;
 using Phantom.Common.Data.Replies;
 using Phantom.Common.Logging;
-using Phantom.Common.Messages.ToServer;
+using Phantom.Common.Messages.Agent.ToController;
 using Serilog;
 
 namespace Phantom.Agent.Services.Instances;

Agent/Phantom.Agent.Services/Instances/InstanceLogSender.cs

@@ -2,7 +2,7 @@ using System.Collections.Immutable;
 using System.Threading.Channels;
 using Phantom.Agent.Rpc;
 using Phantom.Common.Logging;
-using Phantom.Common.Messages.ToServer;
+using Phantom.Common.Messages.Agent.ToController;
 using Phantom.Utils.Tasks;
 
 namespace Phantom.Agent.Services.Instances;

Agent/Phantom.Agent.Services/Instances/InstanceSessionManager.cs

@@ -14,7 +14,7 @@ using Phantom.Common.Data.Instance;
 using Phantom.Common.Data.Minecraft;
 using Phantom.Common.Data.Replies;
 using Phantom.Common.Logging;
-using Phantom.Common.Messages.ToServer;
+using Phantom.Common.Messages.Agent.ToController;
 using Phantom.Utils.IO;
 using Phantom.Utils.Tasks;
 using Serilog;

Agent/Phantom.Agent.Services/Phantom.Agent.Services.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <ProjectReference Include="..\..\Common\Phantom.Common.Messages\Phantom.Common.Messages.csproj" />
+    <ProjectReference Include="..\..\Common\Phantom.Common.Messages.Agent\Phantom.Common.Messages.Agent.csproj" />
     <ProjectReference Include="..\Phantom.Agent.Minecraft\Phantom.Agent.Minecraft.csproj" />
     <ProjectReference Include="..\Phantom.Agent.Rpc\Phantom.Agent.Rpc.csproj" />
   </ItemGroup>

Agent/Phantom.Agent.Services/Rpc/MessageListener.cs

@@ -2,10 +2,11 @@
 using Phantom.Common.Data.Instance;
 using Phantom.Common.Data.Replies;
 using Phantom.Common.Logging;
-using Phantom.Common.Messages;
+using Phantom.Common.Messages.Agent;
-using Phantom.Common.Messages.BiDirectional;
+using Phantom.Common.Messages.Agent.BiDirectional;
-using Phantom.Common.Messages.ToAgent;
+using Phantom.Common.Messages.Agent.ToAgent;
-using Phantom.Common.Messages.ToServer;
+using Phantom.Common.Messages.Agent.ToController;
+using Phantom.Utils.Rpc;
 using Phantom.Utils.Rpc.Message;
 using Serilog;
 
@@ -14,11 +15,11 @@ namespace Phantom.Agent.Services.Rpc;
 public sealed class MessageListener : IMessageToAgentListener {
 	private static ILogger Logger { get; } = PhantomLogger.Create<MessageListener>();
 
-	private readonly RpcServerConnection connection;
+	private readonly RpcConnectionToServer<IMessageToControllerListener> connection;
 	private readonly AgentServices agent;
 	private readonly CancellationTokenSource shutdownTokenSource;
 
-	public MessageListener(RpcServerConnection connection, AgentServices agent, CancellationTokenSource shutdownTokenSource) {
+	public MessageListener(RpcConnectionToServer<IMessageToControllerListener> connection, AgentServices agent, CancellationTokenSource shutdownTokenSource) {
 		this.connection = connection;
 		this.agent = agent;
 		this.shutdownTokenSource = shutdownTokenSource;

Agent/Phantom.Agent/AgentKey.cs

@@ -10,7 +10,7 @@ namespace Phantom.Agent;
 static class AgentKey {
 	private static ILogger Logger { get; } = PhantomLogger.Create(nameof(AgentKey));
 
-	public static Task<(NetMQCertificate, AgentAuthToken)?> Load(string? agentKeyToken, string? agentKeyFilePath) {
+	public static Task<(NetMQCertificate, AuthToken)?> Load(string? agentKeyToken, string? agentKeyFilePath) {
 		if (agentKeyFilePath != null) {
 			return LoadFromFile(agentKeyFilePath);
 		}
@@ -22,7 +22,7 @@ static class AgentKey {
 		}
 	}
 
-	private static async Task<(NetMQCertificate, AgentAuthToken)?> LoadFromFile(string agentKeyFilePath) {
+	private static async Task<(NetMQCertificate, AuthToken)?> LoadFromFile(string agentKeyFilePath) {
 		if (!File.Exists(agentKeyFilePath)) {
 			Logger.Fatal("Missing agent key file: {AgentKeyFilePath}", agentKeyFilePath);
 			return null;
@@ -41,7 +41,7 @@ static class AgentKey {
 		}
 	}
 
-	private static (NetMQCertificate, AgentAuthToken)? LoadFromToken(string agentKey) {
+	private static (NetMQCertificate, AuthToken)? LoadFromToken(string agentKey) {
 		try {
 			return LoadFromBytes(TokenGenerator.DecodeBytes(agentKey));
 		} catch (Exception) {
@@ -50,11 +50,11 @@ static class AgentKey {
 		}
 	}
 
-	private static (NetMQCertificate, AgentAuthToken)? LoadFromBytes(byte[] agentKey) {
+	private static (NetMQCertificate, AuthToken)? LoadFromBytes(byte[] agentKey) {
-		var (publicKey, agentToken) = AgentKeyData.FromBytes(agentKey);
+		var (publicKey, agentToken) = ConnectionCommonKey.FromBytes(agentKey);
-		var serverCertificate = NetMQCertificate.FromPublicKey(publicKey);
+		var controllerCertificate = NetMQCertificate.FromPublicKey(publicKey);
 		
 		Logger.Information("Loaded agent key.");
-		return (serverCertificate, agentToken);
+		return (controllerCertificate, agentToken);
 	}
 }

Agent/Phantom.Agent/Program.cs

@@ -5,6 +5,7 @@ using Phantom.Agent.Services;
 using Phantom.Agent.Services.Rpc;
 using Phantom.Common.Data.Agent;
 using Phantom.Common.Logging;
+using Phantom.Common.Messages.Agent;
 using Phantom.Utils.Rpc;
 using Phantom.Utils.Runtime;
 using Phantom.Utils.Tasks;
@@ -26,7 +27,7 @@ try {
 	PhantomLogger.Root.InformationHeading("Initializing Phantom Panel agent...");
 	PhantomLogger.Root.Information("Agent version: {Version}", fullVersion);
 
-	var (serverHost, serverPort, javaSearchPath, agentKeyToken, agentKeyFilePath, agentName, maxInstances, maxMemory, allowedServerPorts, allowedRconPorts, maxConcurrentBackupCompressionTasks) = Variables.LoadOrStop();
+	var (controllerHost, controllerPort, javaSearchPath, agentKeyToken, agentKeyFilePath, agentName, maxInstances, maxMemory, allowedServerPorts, allowedRconPorts, maxConcurrentBackupCompressionTasks) = Variables.LoadOrStop();
 
 	var agentKey = await AgentKey.Load(agentKeyToken, agentKeyFilePath);
 	if (agentKey == null) {
@@ -43,11 +44,11 @@ try {
 		return 1;
 	}
 
-	var (serverCertificate, agentToken) = agentKey.Value;
+	var (controllerCertificate, agentToken) = agentKey.Value;
 	var agentInfo = new AgentInfo(agentGuid.Value, agentName, ProtocolVersion, fullVersion, maxInstances, maxMemory, allowedServerPorts, allowedRconPorts);
 	var agentServices = new AgentServices(agentInfo, folders, new AgentServiceConfiguration(maxConcurrentBackupCompressionTasks));
 
-	MessageListener MessageListenerFactory(RpcServerConnection connection) {
+	MessageListener MessageListenerFactory(RpcConnectionToServer<IMessageToControllerListener> connection) {
 		return new MessageListener(connection, agentServices, shutdownCancellationTokenSource);
 	}
 
@@ -56,7 +57,7 @@ try {
 	await agentServices.Initialize();
 
 	var rpcDisconnectSemaphore = new SemaphoreSlim(0, 1);
-	var rpcConfiguration = new RpcConfiguration(PhantomLogger.Create("Rpc"), PhantomLogger.Create<TaskManager>("Rpc"), serverHost, serverPort, serverCertificate);
+	var rpcConfiguration = new RpcConfiguration(PhantomLogger.Create("Rpc"), PhantomLogger.Create<TaskManager>("Rpc"), controllerHost, controllerPort, controllerCertificate);
 	var rpcTask = RpcLauncher.Launch(rpcConfiguration, agentToken, agentInfo, MessageListenerFactory, rpcDisconnectSemaphore, shutdownCancellationToken);
 	try {
 		await rpcTask.WaitAsync(shutdownCancellationToken);

Agent/Phantom.Agent/Variables.cs

@@ -6,8 +6,8 @@ using Phantom.Utils.Runtime;
 namespace Phantom.Agent;
 
 sealed record Variables(
-	string ServerHost,
+	string ControllerHost,
-	ushort ServerPort,
+	ushort ControllerPort,
 	string JavaSearchPath,
 	string? AgentKeyToken,
 	string? AgentKeyFilePath,
@@ -23,8 +23,8 @@ sealed record Variables(
 		var javaSearchPath = EnvironmentVariables.GetString("JAVA_SEARCH_PATH").WithDefaultGetter(GetDefaultJavaSearchPath);
 
 		return new Variables(
-			EnvironmentVariables.GetString("SERVER_HOST").Require,
+			EnvironmentVariables.GetString("CONTROLLER_HOST").Require,
-			EnvironmentVariables.GetPortNumber("SERVER_PORT").WithDefault(9401),
+			EnvironmentVariables.GetPortNumber("CONTROLLER_PORT").WithDefault(9401),
 			javaSearchPath,
 			agentKeyToken,
 			agentKeyFilePath,

Common/Phantom.Common.Data.Web/Audit/AuditLogEventType.cs

@@ -6,6 +6,7 @@ public enum AuditLogEventType {
 	UserLoggedIn,
 	UserLoggedOut,
 	UserCreated,
+	UserPasswordChanged,
 	UserRolesChanged,
 	UserDeleted,
 	InstanceCreated,
@@ -22,6 +23,7 @@ static class AuditLogEventTypeExtensions {
 		{ AuditLogEventType.UserLoggedIn,              AuditLogSubjectType.User },
 		{ AuditLogEventType.UserLoggedOut,             AuditLogSubjectType.User },
 		{ AuditLogEventType.UserCreated,               AuditLogSubjectType.User },
+		{ AuditLogEventType.UserPasswordChanged,       AuditLogSubjectType.User },
 		{ AuditLogEventType.UserRolesChanged,          AuditLogSubjectType.User },
 		{ AuditLogEventType.UserDeleted,               AuditLogSubjectType.User },
 		{ AuditLogEventType.InstanceCreated,           AuditLogSubjectType.Instance },

Common/Phantom.Common.Data.Web/Minecraft/JvmArgumentsHelper.cs

@@ -1,6 +1,6 @@
 using System.Collections.Immutable;
 
-namespace Phantom.Controller.Minecraft;
+namespace Phantom.Common.Data.Web.Minecraft;
 
 public static class JvmArgumentsHelper {
 	public static ImmutableArray<string> Split(string arguments) {
@@ -37,13 +37,4 @@ public static class JvmArgumentsHelper {
 		XmxNotAllowed,
 		XmsNotAllowed
 	}
-
-	public static string ToSentence(this ValidationError? result) {
-		return result switch {
-			ValidationError.InvalidFormat => "Invalid format.",
-			ValidationError.XmxNotAllowed => "The -Xmx argument must not be specified manually.",
-			ValidationError.XmsNotAllowed => "The -Xms argument must not be specified manually.",
-			_                             => throw new ArgumentOutOfRangeException(nameof(result), result, null)
-		};
-	}
 }

Common/Phantom.Common.Data.Web/Phantom.Common.Data.Web.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  
+  <PropertyGroup>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  
+  <ItemGroup>
+    <PackageReference Include="BCrypt.Net-Next.StrongName" />
+    <PackageReference Include="MemoryPack" />
+  </ItemGroup>
+  
+</Project>

Common/Phantom.Common.Data.Web/Users/AddRoleError.cs

@@ -1,4 +1,4 @@
-namespace Phantom.Controller.Services.Users; 
+namespace Phantom.Controller.Services.Users.Roles; 
 
 public enum AddRoleError : byte {
 	NameIsEmpty,

Common/Phantom.Common.Data.Web/Users/AddUserError.cs

@@ -0,0 +1,25 @@
+using System.Collections.Immutable;
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users;
+
+[MemoryPackable]
+[MemoryPackUnion(0, typeof(NameIsInvalid))]
+[MemoryPackUnion(1, typeof(PasswordIsInvalid))]
+[MemoryPackUnion(2, typeof(NameAlreadyExists))]
+[MemoryPackUnion(3, typeof(UnknownError))]
+public abstract record AddUserError {
+	private AddUserError() {}
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record NameIsInvalid([property: MemoryPackOrder(0)] UsernameRequirementViolation Violation) : AddUserError;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record PasswordIsInvalid([property: MemoryPackOrder(0)] ImmutableArray<PasswordRequirementViolation> Violations) : AddUserError;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record NameAlreadyExists : AddUserError;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record UnknownError : AddUserError;
+}

Common/Phantom.Common.Data.Web/Users/CreateOrUpdateAdministratorUserResult.cs

@@ -0,0 +1,28 @@
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users;
+
+[MemoryPackable]
+[MemoryPackUnion(0, typeof(Success))]
+[MemoryPackUnion(1, typeof(CreationFailed))]
+[MemoryPackUnion(2, typeof(UpdatingFailed))]
+[MemoryPackUnion(3, typeof(AddingToRoleFailed))]
+[MemoryPackUnion(4, typeof(UnknownError))]
+public abstract partial record CreateOrUpdateAdministratorUserResult {
+	private CreateOrUpdateAdministratorUserResult() {}
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record Success([property: MemoryPackOrder(0)] UserInfo User) : CreateOrUpdateAdministratorUserResult;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record CreationFailed([property: MemoryPackOrder(0)] AddUserError Error) : CreateOrUpdateAdministratorUserResult;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record UpdatingFailed([property: MemoryPackOrder(0)] SetUserPasswordError Error) : CreateOrUpdateAdministratorUserResult;
+	
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record AddingToRoleFailed : CreateOrUpdateAdministratorUserResult;
+	
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record UnknownError : CreateOrUpdateAdministratorUserResult;
+}

Common/Phantom.Common.Data.Web/Users/DeleteUserResult.cs

@@ -1,4 +1,4 @@
-namespace Phantom.Controller.Services.Users; 
+namespace Phantom.Common.Data.Web.Users; 
 
 public enum DeleteUserResult : byte {
 	Deleted,

Common/Phantom.Common.Data.Web/Users/IdentityPermissions.cs

@@ -0,0 +1,25 @@
+using System.Collections.Immutable;
+
+namespace Phantom.Common.Data.Web.Users.Permissions; 
+
+public sealed class IdentityPermissions {
+	public static IdentityPermissions None { get; } = new (ImmutableHashSet<string>.Empty);
+	
+	private readonly ImmutableHashSet<string> permissionIds;
+
+	public IdentityPermissions(ImmutableHashSet<string> permissionIdsQuery) {
+		this.permissionIds = permissionIdsQuery;
+	}
+
+	public bool Check(Permission? permission) {
+		while (permission != null) {
+			if (!permissionIds.Contains(permission.Id)) {
+				return false;
+			}
+
+			permission = permission.Parent;
+		}
+
+		return true;
+	}
+}

Common/Phantom.Common.Data.Web/Users/PasswordRequirementViolation.cs

@@ -0,0 +1,24 @@
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users;
+
+[MemoryPackable]
+[MemoryPackUnion(0, typeof(TooShort))]
+[MemoryPackUnion(1, typeof(LowercaseLetterRequired))]
+[MemoryPackUnion(2, typeof(UppercaseLetterRequired))]
+[MemoryPackUnion(3, typeof(DigitRequired))]
+public abstract record PasswordRequirementViolation {
+	private PasswordRequirementViolation() {}
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record TooShort([property: MemoryPackOrder(0)] int MinimumLength) : PasswordRequirementViolation;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record LowercaseLetterRequired : PasswordRequirementViolation;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record UppercaseLetterRequired : PasswordRequirementViolation;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record DigitRequired : PasswordRequirementViolation;
+}

Common/Phantom.Common.Data.Web/Users/Permission.cs

@@ -1,4 +1,4 @@
-namespace Phantom.Web.Identity.Data;
+namespace Phantom.Common.Data.Web.Users.Permissions;
 
 public sealed record Permission(string Id, Permission? Parent) {
 	private static readonly List<Permission> AllPermissions = new ();

Common/Phantom.Common.Data.Web/Users/RoleInfo.cs

@@ -0,0 +1,9 @@
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users; 
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record RoleInfo(
+	[property: MemoryPackOrder(0)] Guid Guid,
+	[property: MemoryPackOrder(1)] string Name
+);

Common/Phantom.Common.Data.Web/Users/SetUserPasswordError.cs

@@ -0,0 +1,21 @@
+using System.Collections.Immutable;
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users;
+
+[MemoryPackable]
+[MemoryPackUnion(0, typeof(UserNotFound))]
+[MemoryPackUnion(1, typeof(PasswordIsInvalid))]
+[MemoryPackUnion(2, typeof(UnknownError))]
+public abstract record SetUserPasswordError {
+	private SetUserPasswordError() {}
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record UserNotFound : SetUserPasswordError;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record PasswordIsInvalid(ImmutableArray<PasswordRequirementViolation> Violations) : SetUserPasswordError;
+	
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record UnknownError : SetUserPasswordError;
+}

Common/Phantom.Common.Data.Web/Users/UserInfo.cs

@@ -0,0 +1,9 @@
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record UserInfo(
+	[property: MemoryPackOrder(0)] Guid Guid,
+	[property: MemoryPackOrder(1)] string Name
+);

Common/Phantom.Common.Data.Web/Users/UserPasswords.cs

@@ -0,0 +1,12 @@
+namespace Phantom.Common.Data.Web.Users; 
+
+public static class UserPasswords {
+	public static string Hash(string password) {
+		return BCrypt.Net.BCrypt.HashPassword(password, workFactor: 12);
+	}
+
+	public static bool Verify(string password, string hash) {
+		// TODO rehash
+		return BCrypt.Net.BCrypt.Verify(password, hash);
+	}
+}

Common/Phantom.Common.Data.Web/Users/UsernameRequirementViolation.cs

@@ -0,0 +1,16 @@
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users;
+
+[MemoryPackable]
+[MemoryPackUnion(0, typeof(IsEmpty))]
+[MemoryPackUnion(1, typeof(TooLong))]
+public abstract record UsernameRequirementViolation {
+	private UsernameRequirementViolation() {}
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record IsEmpty : UsernameRequirementViolation;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed record TooLong(int MaxLength) : UsernameRequirementViolation;
+}

Common/Phantom.Common.Data/Agent/AgentKeyData.cs

@@ -1,18 +0,0 @@
-namespace Phantom.Common.Data.Agent;
-
-public static class AgentKeyData {
-	private const byte TokenLength = AgentAuthToken.Length;
-
-	public static byte[] ToBytes(byte[] publicKey, AgentAuthToken agentToken) {
-		Span<byte> agentKey = stackalloc byte[TokenLength + publicKey.Length];
-		agentToken.WriteTo(agentKey[..TokenLength]);
-		publicKey.CopyTo(agentKey[TokenLength..]);
-		return agentKey.ToArray();
-	}
-
-	public static (byte[] PublicKey, AgentAuthToken AgentToken) FromBytes(byte[] agentKey) {
-		var token = new AgentAuthToken(agentKey[..TokenLength]);
-		var publicKey = agentKey[TokenLength..];
-		return (publicKey, token);
-	}
-}

Common/Phantom.Common.Data/Agent/AuthToken.cs

@@ -6,14 +6,14 @@ namespace Phantom.Common.Data.Agent;
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 [SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
-public sealed partial class AgentAuthToken {
+public sealed partial class AuthToken {
 	internal const int Length = 12;
 
 	[MemoryPackOrder(0)]
 	[MemoryPackInclude]
 	private readonly byte[] bytes;
 
-	internal AgentAuthToken(byte[]? bytes) {
+	internal AuthToken(byte[]? bytes) {
 		if (bytes == null) {
 			throw new ArgumentNullException(nameof(bytes));
 		}
@@ -25,7 +25,7 @@ public sealed partial class AgentAuthToken {
 		this.bytes = bytes;
 	}
 
-	public bool FixedTimeEquals(AgentAuthToken providedAuthToken) {
+	public bool FixedTimeEquals(AuthToken providedAuthToken) {
 		return CryptographicOperations.FixedTimeEquals(bytes, providedAuthToken.bytes);
 	}
 
@@ -33,7 +33,7 @@ public sealed partial class AgentAuthToken {
 		bytes.CopyTo(span);
 	}
 
-	public static AgentAuthToken Generate() {
+	public static AuthToken Generate() {
-		return new AgentAuthToken(RandomNumberGenerator.GetBytes(Length));
+		return new AuthToken(RandomNumberGenerator.GetBytes(Length));
 	}
 }

Common/Phantom.Common.Data/Agent/ConnectionCommonKey.cs

@@ -0,0 +1,18 @@
+namespace Phantom.Common.Data.Agent;
+
+public readonly record struct ConnectionCommonKey(byte[] CertificatePublicKey, AuthToken AuthToken) {
+	private const byte TokenLength = AuthToken.Length;
+
+	public byte[] ToBytes() {
+		Span<byte> result = stackalloc byte[TokenLength + CertificatePublicKey.Length];
+		AuthToken.WriteTo(result[..TokenLength]);
+		CertificatePublicKey.CopyTo(result[TokenLength..]);
+		return result.ToArray();
+	}
+
+	public static ConnectionCommonKey FromBytes(byte[] agentKey) {
+		var authToken = new AuthToken(agentKey[..TokenLength]);
+		var certificatePublicKey = agentKey[TokenLength..];
+		return new ConnectionCommonKey(certificatePublicKey, authToken);
+	}
+}

Common/Phantom.Common.Data/Backups/BackupCreationResultKind.cs

@@ -20,18 +20,4 @@ public static class BackupCreationResultSummaryExtensions {
 		       kind != BackupCreationResultKind.BackupAlreadyRunning &&
 		       kind != BackupCreationResultKind.BackupFileAlreadyExists;
 	}
-
-	public static string ToSentence(this BackupCreationResultKind kind) {
-		return kind switch {
-			BackupCreationResultKind.Success                            => "Backup created successfully.",
-			BackupCreationResultKind.InstanceNotRunning                 => "Instance is not running.",
-			BackupCreationResultKind.BackupCancelled                    => "Backup cancelled.",
-			BackupCreationResultKind.BackupAlreadyRunning               => "A backup is already being created.",
-			BackupCreationResultKind.BackupFileAlreadyExists            => "Backup with the same name already exists.",
-			BackupCreationResultKind.CouldNotCreateBackupFolder         => "Could not create backup folder.",
-			BackupCreationResultKind.CouldNotCopyWorldToTemporaryFolder => "Could not copy world to temporary folder.",
-			BackupCreationResultKind.CouldNotCreateWorldArchive         => "Could not create world archive.",
-			_                                                           => "Unknown error."
-		};
-	}
 }

Common/Phantom.Common.Data/Instance/InstanceLaunchFailReason.cs

@@ -12,20 +12,3 @@ public enum InstanceLaunchFailReason : byte {
 	CouldNotPrepareMinecraftServerLauncher = 8,
 	CouldNotStartMinecraftServer           = 9
 }
-
-public static class InstanceLaunchFailReasonExtensions {
-	public static string ToSentence(this InstanceLaunchFailReason reason) {
-		return reason switch {
-			InstanceLaunchFailReason.ServerPortNotAllowed                   => "Server port not allowed.",
-			InstanceLaunchFailReason.ServerPortAlreadyInUse                 => "Server port already in use.",
-			InstanceLaunchFailReason.RconPortNotAllowed                     => "Rcon port not allowed.",
-			InstanceLaunchFailReason.RconPortAlreadyInUse                   => "Rcon port already in use.",
-			InstanceLaunchFailReason.JavaRuntimeNotFound                    => "Java runtime not found.",
-			InstanceLaunchFailReason.CouldNotDownloadMinecraftServer        => "Could not download Minecraft server.",
-			InstanceLaunchFailReason.CouldNotConfigureMinecraftServer       => "Could not configure Minecraft server.",
-			InstanceLaunchFailReason.CouldNotPrepareMinecraftServerLauncher => "Could not prepare Minecraft server launcher.",
-			InstanceLaunchFailReason.CouldNotStartMinecraftServer           => "Could not start Minecraft server.",
-			_                                                               => "Unknown error."
-		};
-	}
-}

Common/Phantom.Common.Data/Replies/LaunchInstanceResult.cs

@@ -7,16 +7,3 @@ public enum LaunchInstanceResult : byte {
 	InstanceLimitExceeded    = 4,
 	MemoryLimitExceeded      = 5
 }
-
-public static class LaunchInstanceResultExtensions {
-	public static string ToSentence(this LaunchInstanceResult reason) {
-		return reason switch {
-			LaunchInstanceResult.LaunchInitiated          => "Launch initiated.",
-			LaunchInstanceResult.InstanceAlreadyLaunching => "Instance is already launching.",
-			LaunchInstanceResult.InstanceAlreadyRunning   => "Instance is already running.",
-			LaunchInstanceResult.InstanceLimitExceeded    => "Agent does not have any more available instances.",
-			LaunchInstanceResult.MemoryLimitExceeded      => "Agent does not have enough available memory.",
-			_                                             => "Unknown error."
-		};
-	}
-}

Common/Phantom.Common.Data/Replies/SendCommandToInstanceResult.cs

@@ -4,12 +4,3 @@ public enum SendCommandToInstanceResult : byte {
 	UnknownError,
 	Success
 }
-
-public static class SendCommandToInstanceResultExtensions {
-	public static string ToSentence(this SendCommandToInstanceResult reason) {
-		return reason switch {
-			SendCommandToInstanceResult.Success => "Command sent.",
-			_                                   => "Unknown error."
-		};
-	}
-}

Common/Phantom.Common.Data/Replies/StopInstanceResult.cs

@@ -5,14 +5,3 @@ public enum StopInstanceResult : byte {
 	InstanceAlreadyStopping = 2,
 	InstanceAlreadyStopped  = 3
 }
-
-public static class StopInstanceResultExtensions {
-	public static string ToSentence(this StopInstanceResult reason) {
-		return reason switch {
-			StopInstanceResult.StopInitiated           => "Stopping initiated.",
-			StopInstanceResult.InstanceAlreadyStopping => "Instance is already stopping.",
-			StopInstanceResult.InstanceAlreadyStopped  => "Instance is already stopped.",
-			_                                          => "Unknown error."
-		};
-	}
-}

Common/Phantom.Common.Logging/PhantomLogger.cs

@@ -27,7 +27,7 @@ public static class PhantomLogger {
 	}
 
 	public static ILogger Create(string name1, string name2) {
-		return Create(name1 + ":" + name2);
+		return Create(ConcatNames(name1, name2));
 	}
 
 	public static ILogger Create<T>() {
@@ -38,10 +38,18 @@ public static class PhantomLogger {
 		return Create(typeof(T).Name, name);
 	}
 	
+	public static ILogger Create<T>(string name1, string name2) {
+		return Create(typeof(T).Name, ConcatNames(name1, name2));
+	}
+
 	public static ILogger Create<T1, T2>() {
 		return Create(typeof(T1).Name, typeof(T2).Name);
 	}
 
+	private static string ConcatNames(string name1, string name2) {
+		return name1 + ":" + name2;
+	}
+
 	public static void Dispose() {
 		Root.Dispose();
 		Base.Dispose();

Common/Phantom.Common.Messages.Agent/AgentMessageRegistries.cs

@@ -0,0 +1,48 @@
+using Phantom.Common.Data.Replies;
+using Phantom.Common.Logging;
+using Phantom.Common.Messages.Agent.BiDirectional;
+using Phantom.Common.Messages.Agent.ToAgent;
+using Phantom.Common.Messages.Agent.ToController;
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Agent; 
+
+public static class AgentMessageRegistries {
+	public static MessageRegistry<IMessageToAgentListener> ToAgent { get; } = new (PhantomLogger.Create("MessageRegistry", nameof(ToAgent)));
+	public static MessageRegistry<IMessageToControllerListener> ToController { get; } = new (PhantomLogger.Create("MessageRegistry", nameof(ToController)));
+	
+	public static IMessageDefinitions<IMessageToAgentListener, IMessageToControllerListener> Definitions { get; } = new MessageDefinitions();
+
+	static AgentMessageRegistries() {
+		ToAgent.Add<RegisterAgentSuccessMessage>(0);
+		ToAgent.Add<RegisterAgentFailureMessage>(1);
+		ToAgent.Add<ConfigureInstanceMessage, InstanceActionResult<ConfigureInstanceResult>>(2);
+		ToAgent.Add<LaunchInstanceMessage, InstanceActionResult<LaunchInstanceResult>>(3);
+		ToAgent.Add<StopInstanceMessage, InstanceActionResult<StopInstanceResult>>(4);
+		ToAgent.Add<SendCommandToInstanceMessage, InstanceActionResult<SendCommandToInstanceResult>>(5);
+		ToAgent.Add<ReplyMessage>(127);
+		
+		ToController.Add<RegisterAgentMessage>(0);
+		ToController.Add<UnregisterAgentMessage>(1);
+		ToController.Add<AgentIsAliveMessage>(2);
+		ToController.Add<AdvertiseJavaRuntimesMessage>(3);
+		ToController.Add<ReportInstanceStatusMessage>(4);
+		ToController.Add<InstanceOutputMessage>(5);
+		ToController.Add<ReportAgentStatusMessage>(6);
+		ToController.Add<ReportInstanceEventMessage>(7);
+		ToController.Add<ReplyMessage>(127);
+	}
+
+	private sealed class MessageDefinitions : IMessageDefinitions<IMessageToAgentListener, IMessageToControllerListener> {
+		public MessageRegistry<IMessageToAgentListener> Outgoing => ToAgent;
+		public MessageRegistry<IMessageToControllerListener> Incoming => ToController;
+
+		public bool IsRegistrationMessage(Type messageType) {
+			return messageType == typeof(RegisterAgentMessage);
+		}
+
+		public IMessage<IMessageToAgentListener, NoReply> CreateReplyMessage( uint sequenceId, byte[] serializedReply) {
+			return new ReplyMessage(sequenceId, serializedReply);
+		}
+	}
+}

Common/Phantom.Common.Messages.Agent/BiDirectional/ReplyMessage.cs

@@ -1,14 +1,14 @@
 using MemoryPack;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages.BiDirectional;
+namespace Phantom.Common.Messages.Agent.BiDirectional;
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record ReplyMessage(
 	[property: MemoryPackOrder(0)] uint SequenceId,
 	[property: MemoryPackOrder(1)] byte[] SerializedReply
-) : IMessageToServer, IMessageToAgent {
+) : IMessageToController, IMessageToAgent, IReply {
-	public Task<NoReply> Accept(IMessageToServerListener listener) {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
 		return listener.HandleReply(this);
 	}
 

Common/Phantom.Common.Messages.Agent/IMessageToAgent.cs

@@ -1,6 +1,6 @@
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages;
+namespace Phantom.Common.Messages.Agent;
 
 public interface IMessageToAgent<TReply> : IMessage<IMessageToAgentListener, TReply> {}
 

Common/Phantom.Common.Messages.Agent/IMessageToAgentListener.cs

@@ -1,9 +1,9 @@
 using Phantom.Common.Data.Replies;
-using Phantom.Common.Messages.BiDirectional;
+using Phantom.Common.Messages.Agent.BiDirectional;
-using Phantom.Common.Messages.ToAgent;
+using Phantom.Common.Messages.Agent.ToAgent;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages;
+namespace Phantom.Common.Messages.Agent;
 
 public interface IMessageToAgentListener {
 	Task<NoReply> HandleRegisterAgentSuccess(RegisterAgentSuccessMessage message);

Common/Phantom.Common.Messages.Agent/IMessageToController.cs

@@ -0,0 +1,7 @@
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Agent;
+
+public interface IMessageToController<TReply> : IMessage<IMessageToControllerListener, TReply> {}
+
+public interface IMessageToController : IMessageToController<NoReply> {}

Common/Phantom.Common.Messages.Agent/IMessageToControllerListener.cs

@@ -1,11 +1,10 @@
-using Phantom.Common.Messages.BiDirectional;
+using Phantom.Common.Messages.Agent.BiDirectional;
-using Phantom.Common.Messages.ToServer;
+using Phantom.Common.Messages.Agent.ToController;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages; 
+namespace Phantom.Common.Messages.Agent; 
 
-public interface IMessageToServerListener {
+public interface IMessageToControllerListener {
-	bool IsDisposed { get; }
 	Task<NoReply> HandleRegisterAgent(RegisterAgentMessage message);
 	Task<NoReply> HandleUnregisterAgent(UnregisterAgentMessage message);
 	Task<NoReply> HandleAgentIsAlive(AgentIsAliveMessage message);

Common/Phantom.Common.Messages.Agent/ToAgent/ConfigureInstanceMessage.cs

@@ -2,7 +2,7 @@
 using Phantom.Common.Data.Instance;
 using Phantom.Common.Data.Replies;
 
-namespace Phantom.Common.Messages.ToAgent;
+namespace Phantom.Common.Messages.Agent.ToAgent;
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record ConfigureInstanceMessage(

Common/Phantom.Common.Messages.Agent/ToAgent/LaunchInstanceMessage.cs

@@ -1,7 +1,7 @@
 using MemoryPack;
 using Phantom.Common.Data.Replies;
 
-namespace Phantom.Common.Messages.ToAgent; 
+namespace Phantom.Common.Messages.Agent.ToAgent; 
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record LaunchInstanceMessage(

Common/Phantom.Common.Messages.Agent/ToAgent/RegisterAgentFailureMessage.cs

@@ -2,7 +2,7 @@
 using Phantom.Common.Data.Replies;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages.ToAgent;
+namespace Phantom.Common.Messages.Agent.ToAgent;
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record RegisterAgentFailureMessage(

Common/Phantom.Common.Messages.Agent/ToAgent/RegisterAgentSuccessMessage.cs

@@ -2,7 +2,7 @@
 using MemoryPack;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages.ToAgent;
+namespace Phantom.Common.Messages.Agent.ToAgent;
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record RegisterAgentSuccessMessage(

Common/Phantom.Common.Messages.Agent/ToAgent/SendCommandToInstanceMessage.cs

@@ -1,7 +1,7 @@
 using MemoryPack;
 using Phantom.Common.Data.Replies;
 
-namespace Phantom.Common.Messages.ToAgent; 
+namespace Phantom.Common.Messages.Agent.ToAgent; 
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record SendCommandToInstanceMessage(

Common/Phantom.Common.Messages.Agent/ToAgent/StopInstanceMessage.cs

@@ -2,7 +2,7 @@
 using Phantom.Common.Data.Minecraft;
 using Phantom.Common.Data.Replies;
 
-namespace Phantom.Common.Messages.ToAgent; 
+namespace Phantom.Common.Messages.Agent.ToAgent; 
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record StopInstanceMessage(

Common/Phantom.Common.Messages.Agent/ToController/AdvertiseJavaRuntimesMessage.cs

@@ -3,13 +3,13 @@ using MemoryPack;
 using Phantom.Common.Data.Java;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages.ToServer; 
+namespace Phantom.Common.Messages.Agent.ToController; 
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record AdvertiseJavaRuntimesMessage(
 	[property: MemoryPackOrder(0)] ImmutableArray<TaggedJavaRuntime> Runtimes
-) : IMessageToServer {
+) : IMessageToController {
-	public Task<NoReply> Accept(IMessageToServerListener listener) {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
 		return listener.HandleAdvertiseJavaRuntimes(this);
 	}
 }

Common/Phantom.Common.Messages.Agent/ToController/AgentIsAliveMessage.cs

@@ -0,0 +1,11 @@
+using MemoryPack;
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Agent.ToController; 
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record AgentIsAliveMessage : IMessageToController {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
+		return listener.HandleAgentIsAlive(this);
+	}
+}

Common/Phantom.Common.Messages.Agent/ToController/InstanceOutputMessage.cs

@@ -2,14 +2,14 @@ using System.Collections.Immutable;
 using MemoryPack;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages.ToServer;
+namespace Phantom.Common.Messages.Agent.ToController;
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record InstanceOutputMessage(
 	[property: MemoryPackOrder(0)] Guid InstanceGuid,
 	[property: MemoryPackOrder(1)] ImmutableArray<string> Lines
-) : IMessageToServer {
+) : IMessageToController {
-	public Task<NoReply> Accept(IMessageToServerListener listener) {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
 		return listener.HandleInstanceOutput(this);
 	}
 }

Common/Phantom.Common.Messages.Agent/ToController/RegisterAgentMessage.cs

@@ -2,14 +2,14 @@
 using Phantom.Common.Data.Agent;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages.ToServer;
+namespace Phantom.Common.Messages.Agent.ToController;
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record RegisterAgentMessage(
-	[property: MemoryPackOrder(0)] AgentAuthToken AuthToken,
+	[property: MemoryPackOrder(0)] AuthToken AuthToken,
 	[property: MemoryPackOrder(1)] AgentInfo AgentInfo
-) : IMessageToServer {
+) : IMessageToController {
-	public Task<NoReply> Accept(IMessageToServerListener listener) {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
 		return listener.HandleRegisterAgent(this);
 	}
 }

Common/Phantom.Common.Messages.Agent/ToController/ReportAgentStatusMessage.cs

@@ -2,14 +2,14 @@
 using Phantom.Common.Data;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages.ToServer; 
+namespace Phantom.Common.Messages.Agent.ToController; 
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record ReportAgentStatusMessage(
 	[property: MemoryPackOrder(0)] int RunningInstanceCount,
 	[property: MemoryPackOrder(1)] RamAllocationUnits RunningInstanceMemory
-) : IMessageToServer {
+) : IMessageToController {
-	public Task<NoReply> Accept(IMessageToServerListener listener) {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
 		return listener.HandleReportAgentStatus(this);
 	}
 }

Common/Phantom.Common.Messages.Agent/ToController/ReportInstanceEventMessage.cs

@@ -2,7 +2,7 @@
 using Phantom.Common.Data.Instance;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages.ToServer; 
+namespace Phantom.Common.Messages.Agent.ToController; 
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record ReportInstanceEventMessage(
@@ -10,8 +10,8 @@ public sealed partial record ReportInstanceEventMessage(
 	[property: MemoryPackOrder(1)] DateTime UtcTime,
 	[property: MemoryPackOrder(2)] Guid InstanceGuid,
 	[property: MemoryPackOrder(3)] IInstanceEvent Event
-) : IMessageToServer {
+) : IMessageToController {
-	public Task<NoReply> Accept(IMessageToServerListener listener) {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
 		return listener.HandleReportInstanceEvent(this);
 	}
 }

Common/Phantom.Common.Messages.Agent/ToController/ReportInstanceStatusMessage.cs

@@ -2,14 +2,14 @@
 using Phantom.Common.Data.Instance;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages.ToServer;
+namespace Phantom.Common.Messages.Agent.ToController;
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record ReportInstanceStatusMessage(
 	[property: MemoryPackOrder(0)] Guid InstanceGuid,
 	[property: MemoryPackOrder(1)] IInstanceStatus InstanceStatus
-) : IMessageToServer {
+) : IMessageToController {
-	public Task<NoReply> Accept(IMessageToServerListener listener) {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
 		return listener.HandleReportInstanceStatus(this);
 	}
 }

Common/Phantom.Common.Messages.Agent/ToController/UnregisterAgentMessage.cs

@@ -1,13 +1,13 @@
 using MemoryPack;
 using Phantom.Utils.Rpc.Message;
 
-namespace Phantom.Common.Messages.ToServer;
+namespace Phantom.Common.Messages.Agent.ToController;
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 public sealed partial record UnregisterAgentMessage(
 	[property: MemoryPackOrder(0)] Guid AgentGuid
-) : IMessageToServer {
+) : IMessageToController {
-	public Task<NoReply> Accept(IMessageToServerListener listener) {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
 		return listener.HandleUnregisterAgent(this);
 	}
 }

Common/Phantom.Common.Messages.Web/BiDirectional/ReplyMessage.cs

@@ -0,0 +1,18 @@
+using MemoryPack;
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Web.BiDirectional;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record ReplyMessage(
+	[property: MemoryPackOrder(0)] uint SequenceId,
+	[property: MemoryPackOrder(1)] byte[] SerializedReply
+) : IMessageToController, IMessageToWeb, IReply {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
+		return listener.HandleReply(this);
+	}
+
+	public Task<NoReply> Accept(IMessageToWebListener listener) {
+		return listener.HandleReply(this);
+	}
+}

Common/Phantom.Common.Messages.Web/IMessageToController.cs

@@ -0,0 +1,7 @@
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Web;
+
+public interface IMessageToController<TReply> : IMessage<IMessageToControllerListener, TReply> {}
+
+public interface IMessageToController : IMessageToController<NoReply> {}

Common/Phantom.Common.Messages.Web/IMessageToControllerListener.cs

@@ -0,0 +1,11 @@
+using Phantom.Common.Data.Web.Users;
+using Phantom.Common.Messages.Web.BiDirectional;
+using Phantom.Common.Messages.Web.ToController;
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Web; 
+
+public interface IMessageToControllerListener {
+	Task<CreateOrUpdateAdministratorUserResult> CreateOrUpdateAdministratorUser(CreateOrUpdateAdministratorUser message);
+	Task<NoReply> HandleReply(ReplyMessage message);
+}

Common/Phantom.Common.Messages.Web/IMessageToWeb.cs

@@ -0,0 +1,7 @@
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Web;
+
+public interface IMessageToWeb<TReply> : IMessage<IMessageToWebListener, TReply> {}
+
+public interface IMessageToWeb : IMessageToWeb<NoReply> {}

Common/Phantom.Common.Messages.Web/IMessageToWebListener.cs

@@ -0,0 +1,8 @@
+using Phantom.Common.Messages.Web.BiDirectional;
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Web;
+
+public interface IMessageToWebListener {
+	Task<NoReply> HandleReply(ReplyMessage message);
+}

Common/Phantom.Common.Messages.Web/Phantom.Common.Messages.Web.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  
+  <PropertyGroup>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  
+  <ItemGroup>
+    <ProjectReference Include="..\Phantom.Common.Logging\Phantom.Common.Logging.csproj" />
+    <ProjectReference Include="..\Phantom.Common.Data\Phantom.Common.Data.csproj" />
+    <ProjectReference Include="..\Phantom.Common.Data.Web\Phantom.Common.Data.Web.csproj" />
+    <ProjectReference Include="..\..\Utils\Phantom.Utils.Rpc\Phantom.Utils.Rpc.csproj" />
+  </ItemGroup>
+
+</Project>

Common/Phantom.Common.Messages.Web/ToController/CreateOrUpdateAdministratorUser.cs

@@ -0,0 +1,14 @@
+using MemoryPack;
+using Phantom.Common.Data.Web.Users;
+
+namespace Phantom.Common.Messages.Web.ToController; 
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record CreateOrUpdateAdministratorUser(
+	[property: MemoryPackOrder(0)] string Username,
+	[property: MemoryPackOrder(1)] string Password
+) : IMessageToController<CreateOrUpdateAdministratorUserResult> {
+	public Task<CreateOrUpdateAdministratorUserResult> Accept(IMessageToControllerListener listener) {
+		return listener.CreateOrUpdateAdministratorUser(this);
+	}
+}

Common/Phantom.Common.Messages.Web/WebMessageRegistries.cs

@@ -0,0 +1,34 @@
+using Phantom.Common.Data.Web.Users;
+using Phantom.Common.Logging;
+using Phantom.Common.Messages.Web.BiDirectional;
+using Phantom.Common.Messages.Web.ToController;
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Web; 
+
+public static class WebMessageRegistries {
+	public static MessageRegistry<IMessageToControllerListener> ToController { get; } = new (PhantomLogger.Create("MessageRegistry", nameof(ToController)));
+	public static MessageRegistry<IMessageToWebListener> ToWeb { get; } = new (PhantomLogger.Create("MessageRegistry", nameof(ToWeb)));
+	
+	public static IMessageDefinitions<IMessageToWebListener, IMessageToControllerListener> Definitions { get; } = new MessageDefinitions();
+
+	static WebMessageRegistries() {
+		ToController.Add<CreateOrUpdateAdministratorUser, CreateOrUpdateAdministratorUserResult>(1);
+		ToController.Add<ReplyMessage>(127);
+		
+		ToWeb.Add<ReplyMessage>(127);
+	}
+
+	private sealed class MessageDefinitions : IMessageDefinitions<IMessageToWebListener, IMessageToControllerListener> {
+		public MessageRegistry<IMessageToWebListener> Outgoing => ToWeb;
+		public MessageRegistry<IMessageToControllerListener> Incoming => ToController;
+
+		public bool IsRegistrationMessage(Type messageType) {
+			return false;
+		}
+
+		public IMessage<IMessageToWebListener, NoReply> CreateReplyMessage( uint sequenceId, byte[] serializedReply) {
+			return new ReplyMessage(sequenceId, serializedReply);
+		}
+	}
+}

Common/Phantom.Common.Messages/IMessageToServer.cs

@@ -1,7 +0,0 @@
-using Phantom.Utils.Rpc.Message;
-
-namespace Phantom.Common.Messages;
-
-public interface IMessageToServer<TReply> : IMessage<IMessageToServerListener, TReply> {}
-
-public interface IMessageToServer : IMessageToServer<NoReply> {}

Common/Phantom.Common.Messages/MessageRegistries.cs

@@ -1,33 +0,0 @@
-using Phantom.Common.Data.Replies;
-using Phantom.Common.Logging;
-using Phantom.Common.Messages.BiDirectional;
-using Phantom.Common.Messages.ToAgent;
-using Phantom.Common.Messages.ToServer;
-using Phantom.Utils.Rpc.Message;
-
-namespace Phantom.Common.Messages; 
-
-public static class MessageRegistries {
-	public static MessageRegistry<IMessageToAgentListener> ToAgent { get; } = new (PhantomLogger.Create("MessageRegistry:ToAgent"));
-	public static MessageRegistry<IMessageToServerListener> ToServer { get; } = new (PhantomLogger.Create("MessageRegistry:ToServer"));
-
-	static MessageRegistries() {
-		ToAgent.Add<RegisterAgentSuccessMessage>(0);
-		ToAgent.Add<RegisterAgentFailureMessage>(1);
-		ToAgent.Add<ConfigureInstanceMessage, InstanceActionResult<ConfigureInstanceResult>>(2);
-		ToAgent.Add<LaunchInstanceMessage, InstanceActionResult<LaunchInstanceResult>>(3);
-		ToAgent.Add<StopInstanceMessage, InstanceActionResult<StopInstanceResult>>(4);
-		ToAgent.Add<SendCommandToInstanceMessage, InstanceActionResult<SendCommandToInstanceResult>>(5);
-		ToAgent.Add<ReplyMessage>(127);
-		
-		ToServer.Add<RegisterAgentMessage>(0);
-		ToServer.Add<UnregisterAgentMessage>(1);
-		ToServer.Add<AgentIsAliveMessage>(2);
-		ToServer.Add<AdvertiseJavaRuntimesMessage>(3);
-		ToServer.Add<ReportInstanceStatusMessage>(4);
-		ToServer.Add<InstanceOutputMessage>(5);
-		ToServer.Add<ReportAgentStatusMessage>(6);
-		ToServer.Add<ReportInstanceEventMessage>(7);
-		ToServer.Add<ReplyMessage>(127);
-	}
-}

Common/Phantom.Common.Messages/ToServer/AgentIsAliveMessage.cs

@@ -1,11 +0,0 @@
-using MemoryPack;
-using Phantom.Utils.Rpc.Message;
-
-namespace Phantom.Common.Messages.ToServer; 
-
-[MemoryPackable(GenerateType.VersionTolerant)]
-public sealed partial record AgentIsAliveMessage : IMessageToServer {
-	public Task<NoReply> Accept(IMessageToServerListener listener) {
-		return listener.HandleAgentIsAlive(this);
-	}
-}

Controller/Phantom.Controller.Database.Postgres/ApplicationDbContextFactory.cs

@@ -0,0 +1,32 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Infrastructure;
+
+namespace Phantom.Controller.Database.Postgres; 
+
+public sealed class ApplicationDbContextFactory : IDbContextProvider {
+	private readonly PooledDbContextFactory<ApplicationDbContext> factory;
+	
+	public ApplicationDbContextFactory(string connectionString) {
+		this.factory = new PooledDbContextFactory<ApplicationDbContext>(CreateOptions(connectionString), poolSize: 32);
+	}
+
+	public ApplicationDbContext Eager() {
+		return factory.CreateDbContext();
+	}
+
+	public ILazyDbContext Lazy() {
+		return new LazyDbContext(this);
+	}
+
+	private static DbContextOptions<ApplicationDbContext> CreateOptions(string connectionString) {
+		var builder = new DbContextOptionsBuilder<ApplicationDbContext>();
+		builder.UseNpgsql(connectionString, ConfigureOptions);
+		return builder.Options;
+	}
+
+	private static void ConfigureOptions(NpgsqlDbContextOptionsBuilder options) {
+		options.CommandTimeout(10);
+		options.MigrationsAssembly(typeof(ApplicationDbContextDesignFactory).Assembly.FullName);
+	}
+}

Controller/Phantom.Controller.Database.Postgres/LazyDbContext.cs

@@ -0,0 +1,16 @@
+namespace Phantom.Controller.Database.Postgres;
+
+sealed class LazyDbContext : ILazyDbContext {
+	public ApplicationDbContext Ctx => cachedContext ??= contextFactory.Eager();
+
+	private readonly ApplicationDbContextFactory contextFactory;
+	private ApplicationDbContext? cachedContext;
+
+	internal LazyDbContext(ApplicationDbContextFactory contextFactory) {
+		this.contextFactory = contextFactory;
+	}
+
+	public ValueTask DisposeAsync() {
+		return cachedContext?.DisposeAsync() ?? ValueTask.CompletedTask;
+	}
+}

Controller/Phantom.Controller.Database/DatabaseMigrator.cs

@@ -0,0 +1,25 @@
+using Microsoft.EntityFrameworkCore;
+using Phantom.Common.Logging;
+using Phantom.Utils.Tasks;
+using Serilog;
+
+namespace Phantom.Controller.Database; 
+
+public static class DatabaseMigrator {
+	private static readonly ILogger Logger = PhantomLogger.Create(nameof(DatabaseMigrator));
+	
+	public static async Task Run(IDbContextProvider dbProvider, CancellationToken cancellationToken) {
+		await using var ctx = dbProvider.Eager();
+
+		Logger.Information("Connecting to database...");
+
+		var retryConnection = new Throttler(TimeSpan.FromSeconds(10));
+		while (!await ctx.Database.CanConnectAsync(cancellationToken)) {
+			Logger.Warning("Cannot connect to database, retrying...");
+			await retryConnection.Wait();
+		}
+
+		Logger.Information("Running migrations...");
+		await ctx.Database.MigrateAsync(CancellationToken.None);
+	}
+}

Controller/Phantom.Controller.Database/DatabaseProvider.cs

@@ -1,30 +0,0 @@
-using Microsoft.Extensions.DependencyInjection;
-
-namespace Phantom.Controller.Database; 
-
-public sealed class DatabaseProvider {
-	private readonly IServiceScopeFactory serviceScopeFactory;
-	
-	public DatabaseProvider(IServiceScopeFactory serviceScopeFactory) {
-		this.serviceScopeFactory = serviceScopeFactory;
-	}
-
-	public Scope CreateScope() {
-		return new Scope(serviceScopeFactory.CreateScope());
-	}
-	
-	public readonly struct Scope : IDisposable {
-		private readonly IServiceScope scope;
-
-		public ApplicationDbContext Ctx { get; }
-
-		internal Scope(IServiceScope scope) {
-			this.scope = scope;
-			this.Ctx = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-		}
-
-		public void Dispose() {
-			scope.Dispose();
-		}
-	}
-}

Controller/Phantom.Controller.Database/Entities/UserEntity.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Phantom.Common.Data.Web.Users;
 
 namespace Phantom.Controller.Database.Entities; 
 
@@ -11,9 +12,13 @@ public sealed class UserEntity {
 	public string Name { get; set; }
 	public string PasswordHash { get; set; }
 
-	public UserEntity(Guid userGuid, string name) {
+	public UserEntity(Guid userGuid, string name, string passwordHash) {
 		UserGuid = userGuid;
 		Name = name;
-		PasswordHash = null!;
+		PasswordHash = passwordHash;
+	}
+	
+	public UserInfo ToUserInfo() {
+		return new UserInfo(UserGuid, Name);
 	}
 }

Controller/Phantom.Controller.Database/IDbContextProvider.cs

@@ -0,0 +1,6 @@
+namespace Phantom.Controller.Database; 
+
+public interface IDbContextProvider {
+	ApplicationDbContext Eager();
+	ILazyDbContext Lazy();
+}

Controller/Phantom.Controller.Database/ILazyDbContext.cs

@@ -0,0 +1,5 @@
+namespace Phantom.Controller.Database; 
+
+public interface ILazyDbContext : IAsyncDisposable {
+	ApplicationDbContext Ctx { get; }
+}

Controller/Phantom.Controller.Database/Phantom.Controller.Database.csproj

@@ -15,6 +15,8 @@
   
   <ItemGroup>
     <ProjectReference Include="..\..\Common\Phantom.Common.Data\Phantom.Common.Data.csproj" />
+    <ProjectReference Include="..\..\Common\Phantom.Common.Data.Web\Phantom.Common.Data.Web.csproj" />
+    <ProjectReference Include="..\..\Common\Phantom.Common.Logging\Phantom.Common.Logging.csproj" />
   </ItemGroup>
 
 </Project>

Controller/Phantom.Controller.Database/Repositories/AuditLogRepository.EventTypes.cs

@@ -0,0 +1,66 @@
+using Phantom.Controller.Database.Entities;
+using Phantom.Controller.Database.Enums;
+
+namespace Phantom.Controller.Database.Repositories;
+
+sealed partial class AuditLogRepository {
+	public void AddUserLoggedInEvent(UserEntity user) {
+		AddItem(AuditLogEventType.UserLoggedIn, user.UserGuid.ToString());
+	}
+
+	public void AddUserLoggedOutEvent(Guid userGuid) {
+		AddItem(AuditLogEventType.UserLoggedOut, userGuid.ToString());
+	}
+	
+	public void AddUserCreatedEvent(UserEntity user) {
+		AddItem(AuditLogEventType.UserCreated, user.UserGuid.ToString());
+	}
+	
+	public void AddUserPasswordChangedEvent(UserEntity user) {
+		AddItem(AuditLogEventType.UserCreated, user.UserGuid.ToString());
+	}
+
+	public void AddUserRolesChangedEvent(UserEntity user, List<string> addedToRoles, List<string> removedFromRoles) {
+		var extra = new Dictionary<string, object?>();
+		
+		if (addedToRoles.Count > 0) {
+			extra["addedToRoles"] = addedToRoles;
+		}
+		
+		if (removedFromRoles.Count > 0) {
+			extra["removedFromRoles"] = removedFromRoles;
+		}
+		
+		AddItem(AuditLogEventType.UserRolesChanged, user.UserGuid.ToString(), extra);
+	}
+	
+	public void AddUserDeletedEvent(UserEntity user) {
+		AddItem(AuditLogEventType.UserDeleted, user.UserGuid.ToString(), new Dictionary<string, object?> {
+			{ "username", user.Name }
+		});
+	}
+
+	public void AddInstanceCreatedEvent(Guid instanceGuid) {
+		AddItem(AuditLogEventType.InstanceCreated, instanceGuid.ToString());
+	}
+
+	public void AddInstanceEditedEvent(Guid instanceGuid) {
+		AddItem(AuditLogEventType.InstanceEdited, instanceGuid.ToString());
+	}
+	
+	public void AddInstanceLaunchedEvent(Guid instanceGuid) {
+		AddItem(AuditLogEventType.InstanceLaunched, instanceGuid.ToString());
+	}
+
+	public void AddInstanceCommandExecutedEvent(Guid instanceGuid, string command) {
+		AddItem(AuditLogEventType.InstanceCommandExecuted, instanceGuid.ToString(), new Dictionary<string, object?> {
+			{ "command", command }
+		});
+	}
+
+	public void AddInstanceStoppedEvent(Guid instanceGuid, int stopInSeconds) {
+		AddItem(AuditLogEventType.InstanceStopped, instanceGuid.ToString(), new Dictionary<string, object?> {
+			{ "stop_in_seconds", stopInSeconds.ToString() }
+		});
+	}
+}

Controller/Phantom.Controller.Database/Repositories/AuditLogRepository.cs

@@ -0,0 +1,31 @@
+using Microsoft.EntityFrameworkCore;
+using Phantom.Controller.Database.Entities;
+using Phantom.Controller.Database.Enums;
+using Phantom.Controller.Services.Audit;
+
+namespace Phantom.Controller.Database.Repositories;
+
+public sealed partial class AuditLogRepository {
+	private readonly ILazyDbContext db;
+	private readonly Guid? currentUserGuid;
+
+	public AuditLogRepository(ILazyDbContext db, Guid? currentUserGuid) {
+		this.db = db;
+		this.currentUserGuid = currentUserGuid;
+	}
+
+	private void AddItem(AuditLogEventType eventType, string subjectId, Dictionary<string, object?>? extra = null) {
+		db.Ctx.AuditLog.Add(new AuditLogEntity(currentUserGuid, eventType, subjectId, extra));
+	}
+
+	public Task<AuditLogItem[]> GetItems(int count, CancellationToken cancellationToken) {
+		return db.Ctx
+		         .AuditLog
+		         .Include(static entity => entity.User)
+		         .AsQueryable()
+		         .OrderByDescending(static entity => entity.UtcTime)
+		         .Take(count)
+		         .Select(static entity => new AuditLogItem(entity.UtcTime, entity.UserGuid, entity.User == null ? null : entity.User.Name, entity.EventType, entity.SubjectType, entity.SubjectId, entity.Data))
+		         .ToArrayAsync(cancellationToken);
+	}
+}

Controller/Phantom.Controller.Database/Repositories/RoleRepository.cs

@@ -0,0 +1,48 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+using Phantom.Controller.Database;
+using Phantom.Controller.Database.Entities;
+using Phantom.Controller.Services.Users.Roles;
+using Phantom.Utils.Collections;
+using Phantom.Utils.Tasks;
+
+namespace Phantom.Controller.Services.Users;
+
+public sealed class RoleRepository {
+	private const int MaxRoleNameLength = 40;
+
+	private readonly ILazyDbContext db;
+
+	public RoleRepository(ILazyDbContext db) {
+		this.db = db;
+	}
+
+	public Task<List<RoleEntity>> GetAll() {
+		return db.Ctx.Roles.ToListAsync();
+	}
+
+	public Task<ImmutableHashSet<string>> GetAllNames() {
+		return db.Ctx.Roles.Select(static role => role.Name).AsAsyncEnumerable().ToImmutableSetAsync();
+	}
+
+	public ValueTask<RoleEntity?> GetByGuid(Guid guid) {
+		return db.Ctx.Roles.FindAsync(guid);
+	}
+
+	public async Task<Result<RoleEntity, AddRoleError>> Create(string name) {
+		if (string.IsNullOrWhiteSpace(name)) {
+			return AddRoleError.NameIsEmpty;
+		}
+		else if (name.Length > MaxRoleNameLength) {
+			return AddRoleError.NameIsTooLong;
+		}
+
+		if (await db.Ctx.Roles.AnyAsync(role => role.Name == name)) {
+			return AddRoleError.NameAlreadyExists;
+		}
+
+		var role = new RoleEntity(Guid.NewGuid(), name);
+		db.Ctx.Roles.Add(role);
+		return role;
+	}
+}

Controller/Phantom.Controller.Database/Repositories/UserRepository.cs

@@ -0,0 +1,112 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+using Phantom.Common.Data.Web.Users;
+using Phantom.Controller.Database.Entities;
+using Phantom.Utils.Collections;
+using Phantom.Utils.Tasks;
+
+namespace Phantom.Controller.Database.Repositories;
+
+public sealed class UserRepository {
+	private const int MaxUserNameLength = 40;
+	private const int MinimumPasswordLength = 16;
+
+	private static UsernameRequirementViolation? CheckUsernameRequirements(string username) {
+		if (string.IsNullOrWhiteSpace(username)) {
+			return new UsernameRequirementViolation.IsEmpty();
+		}
+		else if (username.Length > MaxUserNameLength) {
+			return new UsernameRequirementViolation.TooLong(MaxUserNameLength);
+		}
+		else {
+			return null;
+		}
+	}
+
+	private static ImmutableArray<PasswordRequirementViolation> CheckPasswordRequirements(string password) {
+		var violations = ImmutableArray.CreateBuilder<PasswordRequirementViolation>();
+		
+		if (password.Length < MinimumPasswordLength) {
+			violations.Add(new PasswordRequirementViolation.TooShort(MinimumPasswordLength));
+		}
+
+		if (!password.Any(char.IsLower)) {
+			violations.Add(new PasswordRequirementViolation.LowercaseLetterRequired());
+		}
+
+		if (!password.Any(char.IsUpper)) {
+			violations.Add(new PasswordRequirementViolation.UppercaseLetterRequired());
+		}
+
+		if (!password.Any(char.IsDigit)) {
+			violations.Add(new PasswordRequirementViolation.DigitRequired());
+		}
+		
+		return violations.ToImmutable();
+	}
+	
+	private readonly ILazyDbContext db;
+
+	private AuditLogRepository? auditLog;
+	private AuditLogRepository AuditLogRepository => this.auditLog ??= new AuditLogRepository(db, null);
+
+	public UserRepository(ILazyDbContext db) {
+		this.db = db;
+	}
+
+	public Task<ImmutableArray<UserEntity>> GetAll() {
+		return db.Ctx.Users.AsAsyncEnumerable().ToImmutableArrayAsync();
+	}
+
+	public Task<Dictionary<Guid, T>> GetAllByGuid<T>(Func<UserEntity, T> valueSelector, CancellationToken cancellationToken = default) {
+		return db.Ctx.Users.ToDictionaryAsync(static user => user.UserGuid, valueSelector, cancellationToken);
+	}
+
+	public async Task<UserEntity?> GetByGuid(Guid guid) {
+		return await db.Ctx.Users.FindAsync(guid);
+	}
+
+	public Task<UserEntity?> GetByName(string username) {
+		return db.Ctx.Users.FirstOrDefaultAsync(user => user.Name == username);
+	}
+	
+	public async Task<Result<UserEntity, AddUserError>> CreateUser(string username, string password) {
+		var usernameRequirementViolation = CheckUsernameRequirements(username);
+		if (usernameRequirementViolation != null) {
+			return new AddUserError.NameIsInvalid(usernameRequirementViolation);
+		}
+
+		var passwordRequirementViolations = CheckPasswordRequirements(password);
+		if (!passwordRequirementViolations.IsEmpty) {
+			return new AddUserError.PasswordIsInvalid(passwordRequirementViolations);
+		}
+
+		if (await db.Ctx.Users.AnyAsync(user => user.Name == username)) {
+			return new AddUserError.NameAlreadyExists();
+		}
+
+		var user = new UserEntity(Guid.NewGuid(), username, UserPasswords.Hash(password));
+		
+		db.Ctx.Users.Add(user);
+		AuditLogRepository.AddUserCreatedEvent(user);
+
+		return user;
+	}
+
+	public Result<SetUserPasswordError> SetUserPassword(UserEntity user, string password) {
+		var requirementViolations = CheckPasswordRequirements(password);
+		if (!requirementViolations.IsEmpty) {
+			return new SetUserPasswordError.PasswordIsInvalid(requirementViolations);
+		}
+
+		user.PasswordHash = UserPasswords.Hash(password);
+		AuditLogRepository.AddUserPasswordChangedEvent(user);
+
+		return Result.Ok<SetUserPasswordError>();
+	}
+
+	public void DeleteUser(UserEntity user) {
+		db.Ctx.Users.Remove(user);
+		AuditLogRepository.AddUserDeletedEvent(user);
+	}
+}

Controller/Phantom.Controller.Database/Repositories/UserRoleRepository.cs

@@ -0,0 +1,56 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+using Phantom.Controller.Database.Entities;
+using Phantom.Utils.Collections;
+
+namespace Phantom.Controller.Database.Repositories;
+
+public sealed class UserRoleRepository {
+	private readonly ILazyDbContext db;
+
+	public UserRoleRepository(ILazyDbContext db) {
+		this.db = db;
+	}
+
+	public Task<Dictionary<Guid, ImmutableArray<RoleEntity>>> GetAllByUserGuid() {
+		return db.Ctx.UserRoles
+		         .Include(static ur => ur.Role)
+		         .GroupBy(static ur => ur.UserGuid, static ur => ur.Role)
+		         .ToDictionaryAsync(static group => group.Key, static group => group.ToImmutableArray());
+	}
+
+	public Task<ImmutableArray<RoleEntity>> GetUserRoles(UserEntity user) {
+		return db.Ctx.UserRoles
+		         .Include(static ur => ur.Role)
+		         .Where(ur => ur.UserGuid == user.UserGuid)
+		         .Select(static ur => ur.Role)
+		         .AsAsyncEnumerable()
+		         .ToImmutableArrayAsync();
+	}
+
+	public Task<ImmutableHashSet<Guid>> GetUserRoleGuids(UserEntity user) {
+		return db.Ctx.UserRoles
+		         .Where(ur => ur.UserGuid == user.UserGuid)
+		         .Select(static ur => ur.RoleGuid)
+		         .AsAsyncEnumerable()
+		         .ToImmutableSetAsync();
+	}
+
+	public async Task Add(UserEntity user, RoleEntity role) {
+		var userRole = await db.Ctx.UserRoles.FindAsync(user.UserGuid, role.RoleGuid);
+		if (userRole == null) {
+			db.Ctx.UserRoles.Add(new UserRoleEntity(user.UserGuid, role.RoleGuid));
+		}
+	}
+
+	public async Task<UserRoleEntity?> Remove(UserEntity user, RoleEntity role) {
+		var userRole = await db.Ctx.UserRoles.FindAsync(user.UserGuid, role.RoleGuid);
+		if (userRole == null) {
+			return null;
+		}
+		else {
+			db.Ctx.UserRoles.Remove(userRole);
+			return userRole;
+		}
+	}
+}

Controller/Phantom.Controller.Rpc/Phantom.Controller.Rpc.csproj

@@ -6,7 +6,8 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <ProjectReference Include="..\..\Common\Phantom.Common.Messages\Phantom.Common.Messages.csproj" />
+    <ProjectReference Include="..\..\Common\Phantom.Common.Messages.Agent\Phantom.Common.Messages.Agent.csproj" />
+    <ProjectReference Include="..\..\Common\Phantom.Common.Messages.Web\Phantom.Common.Messages.Web.csproj" />
   </ItemGroup>
   
 </Project>

Controller/Phantom.Controller.Rpc/RpcClientConnection.cs

@@ -1,28 +1,29 @@
 using NetMQ;
 using NetMQ.Sockets;
-using Phantom.Common.Messages;
+using Phantom.Common.Messages.Agent.BiDirectional;
-using Phantom.Common.Messages.BiDirectional;
 using Phantom.Utils.Rpc.Message;
 
 namespace Phantom.Controller.Rpc;
 
-public sealed class RpcClientConnection {
+public sealed class RpcClientConnection<TListener> {
 	private readonly ServerSocket socket;
 	private readonly uint routingId;
 
+	private readonly MessageRegistry<TListener> messageRegistry;
 	private readonly MessageReplyTracker messageReplyTracker;
 
 	internal event EventHandler<RpcClientConnectionClosedEventArgs>? Closed;
 	private bool isClosed;
 
-	internal RpcClientConnection(ServerSocket socket, uint routingId, MessageReplyTracker messageReplyTracker) {
+	internal RpcClientConnection(ServerSocket socket, uint routingId, MessageRegistry<TListener> messageRegistry, MessageReplyTracker messageReplyTracker) {
 		this.socket = socket;
 		this.routingId = routingId;
+		this.messageRegistry = messageRegistry;
 		this.messageReplyTracker = messageReplyTracker;
 	}
 
-	public bool IsSame(RpcClientConnection other) {
+	public bool IsSame(RpcClientConnection<TListener> other) {
-		return this.routingId == other.routingId;
+		return this.routingId == other.routingId && this.socket == other.socket;
 	}
 
 	public void Close() {
@@ -34,25 +35,25 @@ public sealed class RpcClientConnection {
 		}
 	}
 
-	public async Task Send<TMessage>(TMessage message) where TMessage : IMessageToAgent {
+	public async Task Send<TMessage>(TMessage message) where TMessage : IMessage<TListener, NoReply> {
 		if (isClosed) {
 			return;
 		}
 		
-		var bytes = MessageRegistries.ToAgent.Write(message).ToArray();
+		var bytes = messageRegistry.Write(message).ToArray();
 		if (bytes.Length > 0) {
 			await socket.SendAsync(routingId, bytes);
 		}
 	}
 
-	public async Task<TReply?> Send<TMessage, TReply>(TMessage message, TimeSpan waitForReplyTime, CancellationToken waitForReplyCancellationToken) where TMessage : IMessageToAgent<TReply> where TReply : class {
+	public async Task<TReply?> Send<TMessage, TReply>(TMessage message, TimeSpan waitForReplyTime, CancellationToken waitForReplyCancellationToken) where TMessage : IMessage<TListener, TReply> where TReply : class {
 		if (isClosed) {
 			return null;
 		}
 		
 		var sequenceId = messageReplyTracker.RegisterReply();
 		
-		var bytes = MessageRegistries.ToAgent.Write<TMessage, TReply>(sequenceId, message).ToArray();
+		var bytes = messageRegistry.Write<TMessage, TReply>(sequenceId, message).ToArray();
 		if (bytes.Length == 0) {
 			messageReplyTracker.ForgetReply(sequenceId);
 			return null;

Controller/Phantom.Controller.Rpc/RpcLauncher.cs

@@ -1,122 +0,0 @@
-using NetMQ.Sockets;
-using Phantom.Common.Messages;
-using Phantom.Common.Messages.BiDirectional;
-using Phantom.Common.Messages.ToServer;
-using Phantom.Utils.Rpc;
-using Phantom.Utils.Rpc.Message;
-using Phantom.Utils.Tasks;
-using Serilog;
-using Serilog.Events;
-
-namespace Phantom.Controller.Rpc;
-
-public sealed class RpcLauncher : RpcRuntime<ServerSocket> {
-	public static Task Launch(RpcConfiguration config, Func<RpcClientConnection, IMessageToServerListener> listenerFactory, CancellationToken cancellationToken) {
-		var socket = new ServerSocket();
-		var options = socket.Options;
-
-		options.CurveServer = true;
-		options.CurveCertificate = config.ServerCertificate;
-
-		return new RpcLauncher(config, socket, listenerFactory, cancellationToken).Launch();
-	}
-
-	private readonly RpcConfiguration config;
-	private readonly Func<RpcClientConnection, IMessageToServerListener> listenerFactory;
-	private readonly CancellationToken cancellationToken;
-
-	private RpcLauncher(RpcConfiguration config, ServerSocket socket, Func<RpcClientConnection, IMessageToServerListener> listenerFactory, CancellationToken cancellationToken) : base(config, socket) {
-		this.config = config;
-		this.listenerFactory = listenerFactory;
-		this.cancellationToken = cancellationToken;
-	}
-
-	protected override void Connect(ServerSocket socket) {
-		var logger = config.RuntimeLogger;
-		var url = config.TcpUrl;
-
-		logger.Information("Starting ZeroMQ server on {Url}...", url);
-		socket.Bind(url);
-		logger.Information("ZeroMQ server initialized, listening for agent connections on port {Port}.", config.Port);
-	}
-
-	protected override void Run(ServerSocket socket, MessageReplyTracker replyTracker, TaskManager taskManager) {
-		var logger = config.RuntimeLogger;
-		var clients = new Dictionary<ulong, Client>();
-
-		void OnConnectionClosed(object? sender, RpcClientConnectionClosedEventArgs e) {
-			clients.Remove(e.RoutingId);
-			logger.Debug("Closed connection to {RoutingId}.", e.RoutingId);
-		}
-
-		while (!cancellationToken.IsCancellationRequested) {
-			var (routingId, data) = socket.Receive(cancellationToken);
-
-			if (data.Length == 0) {
-				LogMessageType(logger, routingId, data);
-				continue;
-			}
-
-			if (!clients.TryGetValue(routingId, out var client)) {
-				if (!CheckIsAgentRegistrationMessage(data, logger, routingId)) {
-					continue;
-				}
-
-				var connection = new RpcClientConnection(socket, routingId, replyTracker);
-				connection.Closed += OnConnectionClosed;
-
-				client = new Client(connection, listenerFactory, logger, taskManager, cancellationToken);
-				clients[routingId] = client;
-			}
-
-			LogMessageType(logger, routingId, data);
-			MessageRegistries.ToServer.Handle(data, client);
-			
-			client.CloseIfDisposed();
-		}
-
-		foreach (var client in clients.Values) {
-			client.Connection.Closed -= OnConnectionClosed;
-		}
-	}
-
-	private static void LogMessageType(ILogger logger, uint routingId, ReadOnlyMemory<byte> data) {
-		if (!logger.IsEnabled(LogEventLevel.Verbose)) {
-			return;
-		}
-
-		if (data.Length > 0 && MessageRegistries.ToServer.TryGetType(data, out var type)) {
-			logger.Verbose("Received {MessageType} ({Bytes} B) from {RoutingId}.", type.Name, data.Length, routingId);
-		}
-		else {
-			logger.Verbose("Received {Bytes} B message from {RoutingId}.", data.Length, routingId);
-		}
-	}
-
-	private static bool CheckIsAgentRegistrationMessage(ReadOnlyMemory<byte> data, ILogger logger, uint routingId) {
-		if (MessageRegistries.ToServer.TryGetType(data, out var type) && type == typeof(RegisterAgentMessage)) {
-			return true;
-		}
-
-		logger.Warning("Received {MessageType} from a non-registered agent {RoutingId}.", type?.Name ?? "unknown message", routingId);
-		return false;
-	}
-
-	private sealed class Client : MessageHandler<IMessageToServerListener> {
-		public RpcClientConnection Connection { get; }
-
-		public Client(RpcClientConnection connection, Func<RpcClientConnection, IMessageToServerListener> listenerFactory, ILogger logger, TaskManager taskManager, CancellationToken cancellationToken) : base(listenerFactory(connection), logger, taskManager, cancellationToken) {
-			Connection = connection;
-		}
-
-		protected override Task SendReply(uint sequenceId, byte[] serializedReply) {
-			return Connection.Send(new ReplyMessage(sequenceId, serializedReply));
-		}
-
-		public void CloseIfDisposed() {
-			if (Listener.IsDisposed) {
-				Connection.Close();
-			}
-		}
-	}
-}

Controller/Phantom.Controller.Rpc/RpcRuntime.cs

@@ -0,0 +1,126 @@
+using NetMQ.Sockets;
+using Phantom.Utils.Rpc;
+using Phantom.Utils.Rpc.Message;
+using Phantom.Utils.Tasks;
+using Serilog;
+using Serilog.Events;
+
+namespace Phantom.Controller.Rpc;
+
+public static class RpcRuntime {
+	public static Task Launch<TOutgoingListener, TIncomingListener>(RpcConfiguration config, IMessageDefinitions<TOutgoingListener, TIncomingListener> messageDefinitions, Func<RpcClientConnection<TOutgoingListener>, TIncomingListener> listenerFactory, CancellationToken cancellationToken) {
+		return RpcRuntime<TOutgoingListener, TIncomingListener>.Launch(config, messageDefinitions, listenerFactory, cancellationToken);
+	}
+}
+
+internal sealed class RpcRuntime<TOutgoingListener, TIncomingListener> : RpcRuntime<ServerSocket> {
+	internal static Task Launch(RpcConfiguration config, IMessageDefinitions<TOutgoingListener, TIncomingListener> messageDefinitions, Func<RpcClientConnection<TOutgoingListener>, TIncomingListener> listenerFactory, CancellationToken cancellationToken) {
+		return new RpcRuntime<TOutgoingListener, TIncomingListener>(config, messageDefinitions, listenerFactory, cancellationToken).Launch();
+	}
+
+	private static ServerSocket CreateSocket(RpcConfiguration config) {
+		var socket = new ServerSocket();
+		var options = socket.Options;
+
+		options.CurveServer = true;
+		options.CurveCertificate = config.ServerCertificate;
+		
+		return socket;
+	}
+	
+	private readonly RpcConfiguration config;
+	private readonly IMessageDefinitions<TOutgoingListener, TIncomingListener> messageDefinitions;
+	private readonly Func<RpcClientConnection<TOutgoingListener>, TIncomingListener> listenerFactory;
+	private readonly CancellationToken cancellationToken;
+
+	private RpcRuntime(RpcConfiguration config, IMessageDefinitions<TOutgoingListener, TIncomingListener> messageDefinitions, Func<RpcClientConnection<TOutgoingListener>, TIncomingListener> listenerFactory, CancellationToken cancellationToken) : base(config, CreateSocket(config)) {
+		this.config = config;
+		this.messageDefinitions = messageDefinitions;
+		this.listenerFactory = listenerFactory;
+		this.cancellationToken = cancellationToken;
+	}
+
+	protected override void Connect(ServerSocket socket) {
+		var logger = config.RuntimeLogger;
+		var url = config.TcpUrl;
+
+		logger.Information("Starting ZeroMQ server on {Url}...", url);
+		socket.Bind(url);
+		logger.Information("ZeroMQ server initialized, listening for connections on port {Port}.", config.Port);
+	}
+
+	protected override void Run(ServerSocket socket, MessageReplyTracker replyTracker, TaskManager taskManager) {
+		var logger = config.RuntimeLogger;
+		var clients = new Dictionary<ulong, Client>();
+
+		void OnConnectionClosed(object? sender, RpcClientConnectionClosedEventArgs e) {
+			clients.Remove(e.RoutingId);
+			logger.Debug("Closed connection to {RoutingId}.", e.RoutingId);
+		}
+
+		while (!cancellationToken.IsCancellationRequested) {
+			var (routingId, data) = socket.Receive(cancellationToken);
+
+			if (data.Length == 0) {
+				LogMessageType(logger, routingId, data);
+				continue;
+			}
+
+			if (!clients.TryGetValue(routingId, out var client)) {
+				if (!CheckIsRegistrationMessage(data, logger, routingId)) {
+					continue;
+				}
+
+				var connection = new RpcClientConnection<TOutgoingListener>(socket, routingId, messageDefinitions.Outgoing, replyTracker);
+				connection.Closed += OnConnectionClosed;
+
+				client = new Client(connection, messageDefinitions, listenerFactory(connection), logger, taskManager, cancellationToken);
+				clients[routingId] = client;
+			}
+
+			LogMessageType(logger, routingId, data);
+			messageDefinitions.Incoming.Handle(data, client);
+		}
+
+		foreach (var client in clients.Values) {
+			client.Connection.Closed -= OnConnectionClosed;
+		}
+	}
+
+	private void LogMessageType(ILogger logger, uint routingId, ReadOnlyMemory<byte> data) {
+		if (!logger.IsEnabled(LogEventLevel.Verbose)) {
+			return;
+		}
+
+		if (data.Length > 0 && messageDefinitions.Incoming.TryGetType(data, out var type)) {
+			logger.Verbose("Received {MessageType} ({Bytes} B) from {RoutingId}.", type.Name, data.Length, routingId);
+		}
+		else {
+			logger.Verbose("Received {Bytes} B message from {RoutingId}.", data.Length, routingId);
+		}
+	}
+
+	private bool CheckIsRegistrationMessage(ReadOnlyMemory<byte> data, ILogger logger, uint routingId) {
+		if (messageDefinitions.Incoming.TryGetType(data, out var type) && messageDefinitions.IsRegistrationMessage(type)) {
+			return true;
+		}
+
+		logger.Warning("Received {MessageType} from {RoutingId} who is not registered.", type?.Name ?? "unknown message", routingId);
+		return false;
+	}
+	
+	private sealed class Client : MessageHandler<TIncomingListener> {
+		public RpcClientConnection<TOutgoingListener> Connection { get; }
+		
+		private readonly IMessageDefinitions<TOutgoingListener, TIncomingListener> messageDefinitions;
+		
+		public Client(RpcClientConnection<TOutgoingListener> connection, IMessageDefinitions<TOutgoingListener, TIncomingListener> messageDefinitions, TIncomingListener listener, ILogger logger, TaskManager taskManager, CancellationToken cancellationToken) : base(listener, logger, taskManager, cancellationToken) {
+			this.Connection = connection;
+			this.messageDefinitions = messageDefinitions;
+		}
+	
+		protected override Task SendReply(uint sequenceId, byte[] serializedReply) {
+			return Connection.Send(messageDefinitions.CreateReplyMessage(sequenceId, serializedReply));
+		}
+	}
+}