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src/main/java/picocli/shell/jline3/example/Example.java

@@ -97,7 +97,7 @@ public class Example {
 
 	@Command(name = "instance", mixinStandardHelpOptions = true, version = "1.0",
 			description = {"Instance-related commands."},
-			subcommands = {ConfigureCommand.class, StartCommand.class, CommandLine.HelpCommand.class})
+			subcommands = {ConfigureCommand.class, StartCommand.class, StopCommand.class, CommandLine.HelpCommand.class})
 	static class InstanceCommand implements Runnable {
 		@Option(names = {"-v", "--verbose"},
 				description = { "Specify multiple -v options to increase verbosity.",
@@ -128,7 +128,7 @@ public class Example {
 				return;
 			}
 			currentInstance = name;
-			instanceMap.put(name, new TDLibInstance(interactionRequests));
+			instanceMap.put(name, new TDLibInstance(name, interactionRequests));
 		}
 
 		@Command(mixinStandardHelpOptions = true, subcommands = {CommandLine.HelpCommand.class},
@@ -172,8 +172,7 @@ public class Example {
 			var instance = getInstance();
 			var settings = instance.getSettings();
 			if (path != null) {
-				settings.setDatabaseDirectoryPath(path.resolve("data"));
-				settings.setDownloadedFilesDirectoryPath(path.resolve("downloads"));
+				instance.setPath(currentInstance);
 				System.out.printf("Path set to \"%s\".%n", path);
 			}
 			if (useMessagesDb != null) {
@@ -240,6 +239,31 @@ public class Example {
 		}
 	}
 
+	@Command(name = "stop", mixinStandardHelpOptions = true, version = "1.0",
+			description = {"Stop the instance."},
+			subcommands = {CommandLine.HelpCommand.class})
+	static class StopCommand implements Runnable {
+
+		@ParentCommand InstanceCommand parent;
+
+		public void run() {
+			if (currentInstance == null) {
+				System.out.println("No instance is active.");
+				return;
+			}
+			var instance = getInstance();
+			System.out.println("Stopping client...");
+			try {
+				instance.stop();
+			} catch (InterruptedException e) {
+				throw new RuntimeException("Failed to close", e);
+			}
+			System.out.println("Client stopped.");
+			instanceMap.remove(currentInstance);
+			currentInstance = null;
+		}
+	}
+
 	public static void main(String[] args) {
 		AnsiConsole.systemInstall();
 		try {

src/main/java/picocli/shell/jline3/example/TDLibInstance.java

@@ -11,6 +11,7 @@ import it.tdlight.jni.TdApi.AuthorizationStateClosed;
 import it.tdlight.jni.TdApi.AuthorizationStateClosing;
 import it.tdlight.jni.TdApi.AuthorizationStateLoggingOut;
 import it.tdlight.jni.TdApi.AuthorizationStateReady;
+import java.nio.file.Path;
 import java.util.Queue;
 
 public class TDLibInstance {
@@ -20,15 +21,22 @@ public class TDLibInstance {
 	private SimpleTelegramClient client;
 	private AuthenticationData authenticationData;
 
-	public TDLibInstance(Queue<ClientInteractionRequest> interactionRequests) throws CantLoadLibrary {
+	public TDLibInstance(String name, Queue<ClientInteractionRequest> interactionRequests) throws CantLoadLibrary {
 		Init.start();
 
 		var apiToken = APIToken.example();
 
 		settings = TDLibSettings.create(apiToken);
+		setPath(name);
 		this.interactionRequests = interactionRequests;
 	}
 
+	public void setPath(String name) {
+		var path = Path.of(".").resolve(name);
+		settings.setDatabaseDirectoryPath(path.resolve("data"));
+		settings.setDownloadedFilesDirectoryPath(path.resolve("downloads"));
+	}
+
 	public TDLibSettings getSettings() {
 		if (client != null) {
 			throw new UnsupportedOperationException("Client is already started");
@@ -46,6 +54,9 @@ public class TDLibInstance {
 				interactionRequests.offer(new ClientInteractionRequest(TDLibInstance.this, parameter, parameterInfo, result)));
 		client.addUpdateHandler(TdApi.UpdateAuthorizationState.class, updateAuthorizationState -> {
 			var state = updateAuthorizationState.authorizationState.getConstructor();
+			if (state == AuthorizationStateReady.CONSTRUCTOR) {
+				System.out.println("Logged in");
+			}
 			switch (state) {
 				case AuthorizationStateReady.CONSTRUCTOR,
 						AuthorizationStateLoggingOut.CONSTRUCTOR,
@@ -59,4 +70,8 @@ public class TDLibInstance {
 	public AuthenticationData getAuthenticationData() {
 		return authenticationData;
 	}
+
+	public void stop() throws InterruptedException {
+		client.closeAndWait();
+	}
 }