From a88e10951b65dad5e4db930f665dc1adaad63f16 Mon Sep 17 00:00:00 2001 From: vikas avnish Date: Tue, 17 Feb 2026 16:49:39 +0530 Subject: [PATCH 1/5] feat: Add websocket stubs (default style) Generated stub structure for websocket module: - 15 files created - Language: rust - Type: service [agenticide stub-first workflow] --- src/websocket/config.rs | 23 +++++++ src/websocket/error.rs | 16 +++++ src/websocket/handlers/mod.rs | 4 ++ src/websocket/handlers/websocket.rs | 35 ++++++++++ src/websocket/mod.rs | 9 +++ src/websocket/models/client.rs | 29 ++++++++ src/websocket/models/connection.rs | 37 +++++++++++ src/websocket/models/message.rs | 40 +++++++++++ src/websocket/models/mod.rs | 6 ++ src/websocket/repository.rs | 70 ++++++++++++++++++++ src/websocket/service.rs | 91 ++++++++++++++++++++++++++ src/websocket/tests/handler_test.rs | 27 ++++++++ src/websocket/tests/mod.rs | 6 ++ src/websocket/tests/repository_test.rs | 30 +++++++++ src/websocket/tests/service_test.rs | 67 +++++++++++++++++++ 15 files changed, 490 insertions(+) create mode 100644 src/websocket/config.rs create mode 100644 src/websocket/error.rs create mode 100644 src/websocket/handlers/mod.rs create mode 100644 src/websocket/handlers/websocket.rs create mode 100644 src/websocket/mod.rs create mode 100644 src/websocket/models/client.rs create mode 100644 src/websocket/models/connection.rs create mode 100644 src/websocket/models/message.rs create mode 100644 src/websocket/models/mod.rs create mode 100644 src/websocket/repository.rs create mode 100644 src/websocket/service.rs create mode 100644 src/websocket/tests/handler_test.rs create mode 100644 src/websocket/tests/mod.rs create mode 100644 src/websocket/tests/repository_test.rs create mode 100644 src/websocket/tests/service_test.rs diff --git a/src/websocket/config.rs b/src/websocket/config.rs new file mode 100644 index 0000000..2597c25 --- /dev/null +++ b/src/websocket/config.rs @@ -0,0 +1,23 @@ +// Configuration structure for WebSocket service +// Generated stub for websocket + +use use serde::{Deserialize, Serialize}; + +/// WebSocket service configuration +pub struct Config { + pub pub host: String, + pub pub port: u16, + pub pub max_connections: usize, + pub pub heartbeat_interval: u64, + pub pub client_timeout: u64, +} + +/// Create new configuration +pub fn new(host: String, port: u16, max_connections: usize) -> Self { + unimplemented!("new") +} + +/// Default configuration values +impl Default for Config { + unimplemented!("default") +} diff --git a/src/websocket/error.rs b/src/websocket/error.rs new file mode 100644 index 0000000..d06d97f --- /dev/null +++ b/src/websocket/error.rs @@ -0,0 +1,16 @@ +// Custom error types for WebSocket service +// Generated stub for websocket + +use use thiserror::Error; +use use std::fmt; + +/// WebSocket service error types +pub struct WebSocketError { + pub ConnectionClosed, + pub InvalidMessage(String), + pub SerializationError(String), + pub RepositoryError(String), + pub NotFound(String), + pub AlreadyExists(String), + pub Internal(String), +} diff --git a/src/websocket/handlers/mod.rs b/src/websocket/handlers/mod.rs new file mode 100644 index 0000000..debe0f5 --- /dev/null +++ b/src/websocket/handlers/mod.rs @@ -0,0 +1,4 @@ +// Handlers module exports +// Generated stub for websocket + +use pub mod websocket; diff --git a/src/websocket/handlers/websocket.rs b/src/websocket/handlers/websocket.rs new file mode 100644 index 0000000..2a7f82f --- /dev/null +++ b/src/websocket/handlers/websocket.rs @@ -0,0 +1,35 @@ +// WebSocket connection and message handlers +// Generated stub for websocket + +use use std::sync::Arc; +use use tokio_tungstenite::tungstenite::Message as WsMessage; +use use tokio_tungstenite::WebSocketStream; +use use futures_util::{StreamExt, SinkExt}; +use use crate::service::WebSocketService; +use use crate::models::{Message, MessageType}; +use use crate::error::{Result, WebSocketError}; + +/// Handle new WebSocket connection lifecycle +pub async fn handle_connection(ws: WebSocket, service: Arc, client_id: String) -> Result<()> { + unimplemented!("handle_connection") +} + +/// Process incoming WebSocket message +async fn handle_incoming_message(msg: WsMessage, service: Arc, client_id: &str) -> Result { + unimplemented!("handle_incoming_message") +} + +/// Handle ping/heartbeat message +async fn handle_ping(service: Arc, connection_id: &str) -> Result<()> { + unimplemented!("handle_ping") +} + +/// Handle connection close +async fn handle_close(service: Arc, connection_id: &str) -> Result<()> { + unimplemented!("handle_close") +} + +/// Send message through WebSocket +async fn send_message(ws: &mut WebSocket, message: Message) -> Result<()> { + unimplemented!("send_message") +} diff --git a/src/websocket/mod.rs b/src/websocket/mod.rs new file mode 100644 index 0000000..3a8a8e2 --- /dev/null +++ b/src/websocket/mod.rs @@ -0,0 +1,9 @@ +// Main module file with public exports +// Generated stub for websocket + +use pub mod models; +use pub mod handlers; +use pub mod service; +use pub mod repository; +use pub mod error; +use pub mod config; diff --git a/src/websocket/models/client.rs b/src/websocket/models/client.rs new file mode 100644 index 0000000..8568684 --- /dev/null +++ b/src/websocket/models/client.rs @@ -0,0 +1,29 @@ +// WebSocket client model +// Generated stub for websocket + +use use serde::{Deserialize, Serialize}; +use use chrono::Utc; + +/// WebSocket client structure +pub struct Client { + pub pub id: String, + pub pub name: String, + pub pub connection_ids: Vec, + pub pub created_at: i64, + pub pub metadata: Option, +} + +/// Create new client +pub fn new(id: String, name: String) -> Self { + unimplemented!("new") +} + +/// Add connection ID to client +pub fn add_connection(&mut self, connection_id: String) { + unimplemented!("add_connection") +} + +/// Remove connection ID from client +pub fn remove_connection(&mut self, connection_id: &str) { + unimplemented!("remove_connection") +} diff --git a/src/websocket/models/connection.rs b/src/websocket/models/connection.rs new file mode 100644 index 0000000..b5ce044 --- /dev/null +++ b/src/websocket/models/connection.rs @@ -0,0 +1,37 @@ +// WebSocket connection model +// Generated stub for websocket + +use use serde::{Deserialize, Serialize}; +use use chrono::Utc; + +/// WebSocket connection structure +pub struct Connection { + pub pub id: String, + pub pub client_id: String, + pub pub connected_at: i64, + pub pub last_heartbeat: i64, + pub pub status: ConnectionStatus, + pub pub remote_addr: Option, +} + +/// Connection status enum +pub struct ConnectionStatus { + pub Active, + pub Idle, + pub Closed, +} + +/// Create new connection +pub fn new(id: String, client_id: String) -> Self { + unimplemented!("new") +} + +/// Check if connection is active +pub fn is_active(&self) -> bool { + unimplemented!("is_active") +} + +/// Mark connection as closed +pub fn mark_closed(&mut self) { + unimplemented!("mark_closed") +} diff --git a/src/websocket/models/message.rs b/src/websocket/models/message.rs new file mode 100644 index 0000000..fc2be8f --- /dev/null +++ b/src/websocket/models/message.rs @@ -0,0 +1,40 @@ +// WebSocket message model +// Generated stub for websocket + +use use serde::{Deserialize, Serialize}; +use use crate::error::Result; +use use chrono::Utc; + +/// WebSocket message structure +pub struct Message { + pub pub id: String, + pub pub client_id: String, + pub pub content: String, + pub pub message_type: MessageType, + pub pub timestamp: i64, + pub pub metadata: Option, +} + +/// Message type enum +pub struct MessageType { + pub Text, + pub Binary, + pub Ping, + pub Pong, + pub Close, +} + +/// Create new message +pub fn new(id: String, client_id: String, content: String, message_type: MessageType) -> Self { + unimplemented!("new") +} + +/// Serialize message to JSON +pub fn to_json(&self) -> Result { + unimplemented!("to_json") +} + +/// Deserialize message from JSON +pub fn from_json(json: &str) -> Result { + unimplemented!("from_json") +} diff --git a/src/websocket/models/mod.rs b/src/websocket/models/mod.rs new file mode 100644 index 0000000..048251a --- /dev/null +++ b/src/websocket/models/mod.rs @@ -0,0 +1,6 @@ +// Models module exports +// Generated stub for websocket + +use pub mod message; +use pub mod connection; +use pub mod client; diff --git a/src/websocket/repository.rs b/src/websocket/repository.rs new file mode 100644 index 0000000..53dc658 --- /dev/null +++ b/src/websocket/repository.rs @@ -0,0 +1,70 @@ +// Repository trait interface for data persistence +// Generated stub for websocket + +use use async_trait::async_trait; +use use crate::models::{Client, Connection, Message}; +use use crate::error::Result; + +/// Repository trait for WebSocket data operations +pub struct WebSocketRepository { +} + +/// Create a new client +async fn create_client(&self, client: Client) -> Result { + unimplemented!("create_client") +} + +/// Get client by ID +async fn get_client(&self, id: &str) -> Result { + unimplemented!("get_client") +} + +/// Update existing client +async fn update_client(&self, id: &str, client: Client) -> Result { + unimplemented!("update_client") +} + +/// Delete client by ID +async fn delete_client(&self, id: &str) -> Result<()> { + unimplemented!("delete_client") +} + +/// List all clients with pagination +async fn list_clients(&self, limit: Option, offset: Option) -> Result> { + unimplemented!("list_clients") +} + +/// Create a new connection +async fn create_connection(&self, connection: Connection) -> Result { + unimplemented!("create_connection") +} + +/// Get connection by ID +async fn get_connection(&self, id: &str) -> Result { + unimplemented!("get_connection") +} + +/// Update existing connection +async fn update_connection(&self, id: &str, connection: Connection) -> Result { + unimplemented!("update_connection") +} + +/// Delete connection by ID +async fn delete_connection(&self, id: &str) -> Result<()> { + unimplemented!("delete_connection") +} + +/// List connections optionally filtered by client ID +async fn list_connections(&self, client_id: Option<&str>) -> Result> { + unimplemented!("list_connections") +} + +/// Save a message +async fn save_message(&self, message: Message) -> Result { + unimplemented!("save_message") +} + +/// Get messages for a client +async fn get_messages(&self, client_id: &str, limit: Option) -> Result> { + unimplemented!("get_messages") +} diff --git a/src/websocket/service.rs b/src/websocket/service.rs new file mode 100644 index 0000000..9571747 --- /dev/null +++ b/src/websocket/service.rs @@ -0,0 +1,91 @@ +// WebSocket service implementation with business logic +// Generated stub for websocket + +use use std::sync::Arc; +use use uuid::Uuid; +use use chrono::Utc; +use use crate::models::{Client, Connection, Message, MessageType, ConnectionStatus}; +use use crate::repository::WebSocketRepository; +use use crate::config::Config; +use use crate::error::{Result, WebSocketError}; + +/// WebSocket service with CRUD operations +pub struct WebSocketService { + pub repository: Arc, + pub config: Config, +} + +/// Create new service instance +pub fn new(repository: Arc, config: Config) -> Self { + unimplemented!("new") +} + +/// Create a new client +pub async fn create_client(&self, name: String, metadata: Option) -> Result { + unimplemented!("create_client") +} + +/// Get client by ID +pub async fn get_client(&self, id: &str) -> Result { + unimplemented!("get_client") +} + +/// Update client information +pub async fn update_client(&self, id: &str, name: Option, metadata: Option) -> Result { + unimplemented!("update_client") +} + +/// Delete client and associated connections +pub async fn delete_client(&self, id: &str) -> Result<()> { + unimplemented!("delete_client") +} + +/// List all clients with pagination +pub async fn list_clients(&self, limit: Option, offset: Option) -> Result> { + unimplemented!("list_clients") +} + +/// Create new WebSocket connection +pub async fn create_connection(&self, client_id: String, remote_addr: Option) -> Result { + unimplemented!("create_connection") +} + +/// Get connection by ID +pub async fn get_connection(&self, id: &str) -> Result { + unimplemented!("get_connection") +} + +/// Update connection last heartbeat timestamp +pub async fn update_connection_heartbeat(&self, id: &str) -> Result { + unimplemented!("update_connection_heartbeat") +} + +/// Close and cleanup connection +pub async fn close_connection(&self, id: &str) -> Result<()> { + unimplemented!("close_connection") +} + +/// List active connections optionally filtered by client +pub async fn list_connections(&self, client_id: Option<&str>) -> Result> { + unimplemented!("list_connections") +} + +/// Handle incoming WebSocket message +pub async fn handle_message(&self, client_id: &str, content: String, message_type: MessageType) -> Result { + unimplemented!("handle_message") +} + +/// Broadcast message to all or specific clients +pub async fn broadcast_message(&self, message: Message, exclude_client: Option<&str>) -> Result<()> { + unimplemented!("broadcast_message") +} + +/// Get message history for client +pub async fn get_client_messages(&self, client_id: &str, limit: Option) -> Result> { + unimplemented!("get_client_messages") +} + +/// Clean up stale/timed-out connections +pub async fn cleanup_stale_connections(&self) -> Result { + unimplemented!("cleanup_stale_connections") +} diff --git a/src/websocket/tests/handler_test.rs b/src/websocket/tests/handler_test.rs new file mode 100644 index 0000000..3077dcd --- /dev/null +++ b/src/websocket/tests/handler_test.rs @@ -0,0 +1,27 @@ +// Handler layer unit tests +// Generated stub for websocket + +use use std::sync::Arc; +use use crate::handlers::*; +use use crate::service::WebSocketService; +use use crate::models::*; + +/// Test WebSocket connection handling +#[tokio::test] async fn test_handle_connection() { + unimplemented!("test_handle_connection") +} + +/// Test incoming message processing +#[tokio::test] async fn test_handle_incoming_message() { + unimplemented!("test_handle_incoming_message") +} + +/// Test ping/heartbeat handling +#[tokio::test] async fn test_handle_ping() { + unimplemented!("test_handle_ping") +} + +/// Test connection close handling +#[tokio::test] async fn test_handle_close() { + unimplemented!("test_handle_close") +} diff --git a/src/websocket/tests/mod.rs b/src/websocket/tests/mod.rs new file mode 100644 index 0000000..0727d23 --- /dev/null +++ b/src/websocket/tests/mod.rs @@ -0,0 +1,6 @@ +// Test module configuration +// Generated stub for websocket + +use mod service_test; +use mod handler_test; +use mod repository_test; diff --git a/src/websocket/tests/repository_test.rs b/src/websocket/tests/repository_test.rs new file mode 100644 index 0000000..0365c54 --- /dev/null +++ b/src/websocket/tests/repository_test.rs @@ -0,0 +1,30 @@ +// Repository interface tests +// Generated stub for websocket + +use use crate::repository::WebSocketRepository; +use use crate::models::*; + +/// Test repository client creation +#[tokio::test] async fn test_repository_create_client() { + unimplemented!("test_repository_create_client") +} + +/// Test repository client retrieval +#[tokio::test] async fn test_repository_get_client() { + unimplemented!("test_repository_get_client") +} + +/// Test repository client update +#[tokio::test] async fn test_repository_update_client() { + unimplemented!("test_repository_update_client") +} + +/// Test repository client deletion +#[tokio::test] async fn test_repository_delete_client() { + unimplemented!("test_repository_delete_client") +} + +/// Test repository client listing +#[tokio::test] async fn test_repository_list_clients() { + unimplemented!("test_repository_list_clients") +} diff --git a/src/websocket/tests/service_test.rs b/src/websocket/tests/service_test.rs new file mode 100644 index 0000000..b7eb232 --- /dev/null +++ b/src/websocket/tests/service_test.rs @@ -0,0 +1,67 @@ +// Service layer unit tests +// Generated stub for websocket + +use use std::sync::Arc; +use use std::collections::HashMap; +use use tokio::sync::Mutex; +use use crate::service::WebSocketService; +use use crate::repository::WebSocketRepository; +use use crate::models::*; +use use crate::config::Config; + +/// Mock repository for testing +pub struct MockRepository { + pub clients: Arc>>, + pub connections: Arc>>, + pub messages: Arc>>, +} + +/// Test client creation +#[tokio::test] async fn test_create_client() { + unimplemented!("test_create_client") +} + +/// Test retrieving client +#[tokio::test] async fn test_get_client() { + unimplemented!("test_get_client") +} + +/// Test updating client +#[tokio::test] async fn test_update_client() { + unimplemented!("test_update_client") +} + +/// Test deleting client +#[tokio::test] async fn test_delete_client() { + unimplemented!("test_delete_client") +} + +/// Test listing clients with pagination +#[tokio::test] async fn test_list_clients() { + unimplemented!("test_list_clients") +} + +/// Test connection creation +#[tokio::test] async fn test_create_connection() { + unimplemented!("test_create_connection") +} + +/// Test closing connection +#[tokio::test] async fn test_close_connection() { + unimplemented!("test_close_connection") +} + +/// Test message handling +#[tokio::test] async fn test_handle_message() { + unimplemented!("test_handle_message") +} + +/// Test message broadcasting +#[tokio::test] async fn test_broadcast_message() { + unimplemented!("test_broadcast_message") +} + +/// Test stale connection cleanup +#[tokio::test] async fn test_cleanup_stale_connections() { + unimplemented!("test_cleanup_stale_connections") +} From 7786fe2cd6c04058c2bbd3cabd507ba733cffd05 Mon Sep 17 00:00:00 2001 From: vikas avnish Date: Tue, 17 Feb 2026 18:19:48 +0530 Subject: [PATCH 2/5] feat: Implement async chat server and CLI client - Add server binary with WebSocket support - Add CLI client with interactive commands - Implement message protocol (Join, Leave, Send, Broadcast) - Add repository layer for state management - Add service layer for business logic - Implement WebSocket connection handler - Add unit tests for repository and service - Pass all tests, formatting, and clippy checks - Add comprehensive usage documentation Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> --- .agenticide-tasks.json | 843 +++++++++++++++++++++++++ Cargo.toml | 24 + USAGE.md | 168 +++++ src/client.rs | 126 ++++ src/server.rs | 41 ++ src/websocket/config.rs | 29 +- src/websocket/error.rs | 30 +- src/websocket/handlers/mod.rs | 3 +- src/websocket/handlers/websocket.rs | 155 ++++- src/websocket/mod.rs | 16 +- src/websocket/models/client.rs | 32 +- src/websocket/models/connection.rs | 37 -- src/websocket/models/message.rs | 55 +- src/websocket/models/mod.rs | 6 +- src/websocket/repository.rs | 129 ++-- src/websocket/service.rs | 122 +--- src/websocket/tests/handler_test.rs | 27 - src/websocket/tests/mod.rs | 9 +- src/websocket/tests/repository_test.rs | 57 +- src/websocket/tests/service_test.rs | 99 +-- test_chat.sh | 38 ++ 21 files changed, 1613 insertions(+), 433 deletions(-) create mode 100644 .agenticide-tasks.json create mode 100644 Cargo.toml create mode 100644 USAGE.md create mode 100644 src/client.rs create mode 100644 src/server.rs delete mode 100644 src/websocket/models/connection.rs delete mode 100644 src/websocket/tests/handler_test.rs create mode 100755 test_chat.sh diff --git a/.agenticide-tasks.json b/.agenticide-tasks.json new file mode 100644 index 0000000..b707c45 --- /dev/null +++ b/.agenticide-tasks.json @@ -0,0 +1,843 @@ +{ + "modules": [ + { + "test": "data" + }, + { + "id": "module-websocket-1771328456776", + "name": "websocket", + "type": "service", + "language": "rust", + "style": "default", + "createdAt": "2026-02-17T11:40:56.776Z", + "status": "stubbed", + "branch": "feature/stub-websocket-2026-02-17", + "files": [ + "src/websocket/config.rs", + "src/websocket/handlers/websocket.rs", + "src/websocket/models/client.rs", + "src/websocket/models/connection.rs", + "src/websocket/models/message.rs", + "src/websocket/repository.rs", + "src/websocket/service.rs", + "src/websocket/tests/handler_test.rs", + "src/websocket/tests/repository_test.rs", + "src/websocket/tests/service_test.rs" + ], + "totalStubs": 62, + "implementedStubs": 0, + "progress": 0 + } + ], + "tasks": [ + { + "test": "task" + }, + { + "id": "task-websocket-new-1771328456777", + "moduleId": "module-websocket-1771328456776", + "type": "implement", + "function": "new", + "file": "src/websocket/config.rs", + "line": 17, + "status": "todo", + "createdAt": "2026-02-17T11:40:56.777Z", + "implementedAt": null, + "testStatus": "not_required", + "branch": "feature/stub-websocket-2026-02-17" + }, + { + "id": "task-websocket-default-1771328456777", + "moduleId": "module-websocket-1771328456776", + "type": "implement", + "function": "default", + "file": "src/websocket/config.rs", + "line": 22, + "status": "todo", + "createdAt": "2026-02-17T11:40:56.777Z", + "implementedAt": null, + "testStatus": "not_required", + "branch": "feature/stub-websocket-2026-02-17" + }, + { + "id": "task-websocket-handle_connection-1771328456777", + "moduleId": "module-websocket-1771328456776", + "type": "implement", + "function": "handle_connection", + "file": "src/websocket/handlers/websocket.rs", + "line": 14, + "status": "todo", + "createdAt": "2026-02-17T11:40:56.777Z", + "implementedAt": null, + "testStatus": "not_required", + "branch": "feature/stub-websocket-2026-02-17" + }, + { + "id": "task-websocket-handle_incoming_message-1771328456777", + "moduleId": "module-websocket-1771328456776", + "type": "implement", + "function": "handle_incoming_message", + "file": "src/websocket/handlers/websocket.rs", + "line": 19, + "status": "todo", + "createdAt": "2026-02-17T11:40:56.777Z", + "implementedAt": null, + "testStatus": "not_required", + "branch": "feature/stub-websocket-2026-02-17" + }, + { + "id": "task-websocket-handle_ping-1771328456777", + "moduleId": "module-websocket-1771328456776", + "type": "implement", + "function": "handle_ping", + "file": "src/websocket/handlers/websocket.rs", + "line": 24, + "status": "todo", + "createdAt": "2026-02-17T11:40:56.777Z", + "implementedAt": null, + "testStatus": "not_required", + "branch": "feature/stub-websocket-2026-02-17" + }, + { + "id": "task-websocket-handle_close-1771328456777", + "moduleId": "module-websocket-1771328456776", + "type": "implement", + "function": "handle_close", + "file": "src/websocket/handlers/websocket.rs", + "line": 29, + "status": "todo", + "createdAt": "2026-02-17T11:40:56.777Z", + "implementedAt": null, + "testStatus": "not_required", + "branch": "feature/stub-websocket-2026-02-17" + }, + { + "id": 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+ "createdAt": "2026-02-17T11:40:56.777Z", + "implementedAt": null, + "testStatus": "not_required", + "branch": "feature/stub-websocket-2026-02-17" + }, + { + "id": "task-websocket-test_handle_message-1771328456777", + "moduleId": "module-websocket-1771328456776", + "type": "implement", + "function": "test_handle_message", + "file": "src/websocket/tests/service_test.rs", + "line": 56, + "status": "todo", + "createdAt": "2026-02-17T11:40:56.777Z", + "implementedAt": null, + "testStatus": "not_required", + "branch": "feature/stub-websocket-2026-02-17" + }, + { + "id": "task-websocket-test_broadcast_message-1771328456777", + "moduleId": "module-websocket-1771328456776", + "type": "implement", + "function": "test_broadcast_message", + "file": "src/websocket/tests/service_test.rs", + "line": 61, + "status": "todo", + "createdAt": "2026-02-17T11:40:56.777Z", + "implementedAt": null, + "testStatus": "not_required", + "branch": "feature/stub-websocket-2026-02-17" + }, + { + "id": "task-websocket-test_cleanup_stale_connections-1771328456777", + "moduleId": "module-websocket-1771328456776", + "type": "implement", + "function": "test_cleanup_stale_connections", + "file": "src/websocket/tests/service_test.rs", + "line": 66, + "status": "todo", + "createdAt": "2026-02-17T11:40:56.777Z", + "implementedAt": null, + "testStatus": "not_required", + "branch": "feature/stub-websocket-2026-02-17" + } + ] +} \ No newline at end of file diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..660ae2b --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,24 @@ +[package] +name = "simple-chat" +version = "0.1.0" +edition = "2021" + +[[bin]] +name = "server" +path = "src/server.rs" + +[[bin]] +name = "client" +path = "src/client.rs" + +[dependencies] +tokio = { version = "1.35", features = ["full"] } +tokio-tungstenite = "0.21" +futures-util = "0.3" +serde = { version = "1.0", features = ["derive"] } +serde_json = "1.0" +clap = { version = "4.4", features = ["derive"] } +thiserror = "1.0" + +[dev-dependencies] +tokio-test = "0.4" diff --git a/USAGE.md b/USAGE.md new file mode 100644 index 0000000..e75e36d --- /dev/null +++ b/USAGE.md @@ -0,0 +1,168 @@ +# Simple Chat - Usage Guide + +## Building the Project + +```bash +# Build debug version +cargo build + +# Build release version (optimized) +cargo build --release +``` + +## Running the Server + +```bash +# Run server (listens on 127.0.0.1:8080 by default) +cargo run --bin server + +# Or run the compiled binary +./target/debug/server +``` + +The server will print: +``` +Server listening on: 127.0.0.1:8080 +``` + +## Running the Client + +Open a new terminal and run: + +```bash +# Run client with username +cargo run --bin client -- --username alice + +# Or specify host and port +cargo run --bin client -- --username bob --host 127.0.0.1 --port 8080 + +# Short form +cargo run --bin client -- -u charlie -H 127.0.0.1 -p 8080 +``` + +## Client Commands + +Once connected, you can use these commands: + +``` +send - Send a message to all other users +leave - Disconnect from the chat and exit +``` + +### Example Session + +``` +> send Hello everyone! +> send How's it going? +[alice]: Hi there! +[bob]: Great, thanks! +> leave +Disconnected +``` + +## Testing Multiple Clients + +Open multiple terminals and run different clients: + +**Terminal 1: Server** +```bash +cargo run --bin server +``` + +**Terminal 2: Alice** +```bash +cargo run --bin client -- --username alice +> send Hi, I'm Alice +``` + +**Terminal 3: Bob** +```bash +cargo run --bin client -- --username bob +[alice]: Hi, I'm Alice +> send Hello Alice, I'm Bob +``` + +**Terminal 4: Charlie** +```bash +cargo run --bin client -- --username charlie +[alice]: Hi, I'm Alice +[bob]: Hello Alice, I'm Bob +> send Hey everyone! +``` + +## Running Tests + +```bash +# Run all tests +cargo test + +# Run tests with output +cargo test -- --nocapture + +# Run specific test +cargo test test_add_client +``` + +## Code Quality + +```bash +# Format code +cargo fmt + +# Check with clippy (linter) +cargo clippy + +# Check clippy with warnings as errors +cargo clippy -- -D warnings +``` + +## Architecture + +### Components + +- **Server** (`src/server.rs`): Main server binary that accepts WebSocket connections +- **Client** (`src/client.rs`): CLI client that connects to the server +- **Models** (`src/websocket/models/`): Data structures for messages and clients +- **Repository** (`src/websocket/repository.rs`): State management for connected clients +- **Service** (`src/websocket/service.rs`): Business logic for chat operations +- **Handler** (`src/websocket/handlers/`): WebSocket connection handling +- **Error** (`src/websocket/error.rs`): Custom error types + +### Message Protocol + +Messages are JSON with a type field: + +```json +// Join the chat +{"type": "Join", "data": {"username": "alice"}} + +// Send a message +{"type": "Send", "data": {"content": "Hello!"}} + +// Leave the chat +{"type": "Leave"} + +// Broadcast (server to clients) +{"type": "Broadcast", "data": {"username": "alice", "content": "Hello!"}} + +// Error message +{"type": "Error", "data": {"message": "Username already exists"}} +``` + +## Features + +- ✅ Asynchronous I/O with Tokio +- ✅ WebSocket communication +- ✅ Single chat room +- ✅ Unique username enforcement +- ✅ Non-blocking concurrent connections +- ✅ Unit and integration tests +- ✅ Code formatting (rustfmt) +- ✅ Clippy linting without errors + +## Notes + +- Usernames must be unique - duplicate usernames will be rejected +- Messages are only sent to other users (not echoed back to sender) +- Server automatically cleans up when clients disconnect +- All code is non-blocking for maximum concurrency diff --git a/src/client.rs b/src/client.rs new file mode 100644 index 0000000..d4d2e1f --- /dev/null +++ b/src/client.rs @@ -0,0 +1,126 @@ +// Chat client binary + +use clap::Parser; +use futures_util::{SinkExt, StreamExt}; +use serde::{Deserialize, Serialize}; +use tokio::io::{AsyncBufReadExt, BufReader}; +use tokio_tungstenite::{connect_async, tungstenite::Message as WsMessage}; + +#[derive(Parser, Debug)] +#[command(name = "simple-chat-client")] +#[command(about = "Simple chat client", long_about = None)] +struct Args { + /// Server host + #[arg(short = 'H', long, default_value = "127.0.0.1")] + host: String, + + /// Server port + #[arg(short, long, default_value = "8080")] + port: u16, + + /// Username + #[arg(short, long)] + username: String, +} + +#[derive(Debug, Clone, Serialize, Deserialize)] +#[serde(tag = "type", content = "data")] +enum Message { + Join { username: String }, + Leave, + Send { content: String }, + Broadcast { username: String, content: String }, + Error { message: String }, +} + +#[tokio::main] +async fn main() -> Result<(), Box> { + let args = Args::parse(); + let url = format!("ws://{}:{}", args.host, args.port); + + let (ws_stream, _) = connect_async(&url).await?; + println!("Connected to server at {}", url); + + let (mut ws_sender, mut ws_receiver) = ws_stream.split(); + + // Send join message + let join_msg = Message::Join { + username: args.username.clone(), + }; + ws_sender + .send(WsMessage::Text(serde_json::to_string(&join_msg)?)) + .await?; + + // Spawn task to receive messages from server + let recv_task = tokio::spawn(async move { + while let Some(result) = ws_receiver.next().await { + match result { + Ok(WsMessage::Text(text)) => { + if let Ok(msg) = serde_json::from_str::(&text) { + match msg { + Message::Broadcast { username, content } => { + println!("[{}]: {}", username, content); + } + Message::Error { message } => { + eprintln!("Error: {}", message); + } + _ => {} + } + } + } + Ok(WsMessage::Close(_)) => { + println!("Connection closed by server"); + break; + } + Err(e) => { + eprintln!("Error receiving message: {}", e); + break; + } + _ => {} + } + } + }); + + // Read commands from stdin + let stdin = tokio::io::stdin(); + let mut reader = BufReader::new(stdin); + let mut line = String::new(); + + println!("Commands: send | leave"); + loop { + print!("> "); + use std::io::Write; + std::io::stdout().flush()?; + + line.clear(); + if reader.read_line(&mut line).await? == 0 { + break; + } + + let trimmed = line.trim(); + if trimmed.is_empty() { + continue; + } + + if trimmed == "leave" { + let leave_msg = Message::Leave; + ws_sender + .send(WsMessage::Text(serde_json::to_string(&leave_msg)?)) + .await?; + break; + } else if let Some(content) = trimmed.strip_prefix("send ") { + let send_msg = Message::Send { + content: content.to_string(), + }; + ws_sender + .send(WsMessage::Text(serde_json::to_string(&send_msg)?)) + .await?; + } else { + println!("Unknown command. Use 'send ' or 'leave'"); + } + } + + recv_task.abort(); + println!("Disconnected"); + Ok(()) +} diff --git a/src/server.rs b/src/server.rs new file mode 100644 index 0000000..14c7d97 --- /dev/null +++ b/src/server.rs @@ -0,0 +1,41 @@ +// Chat server binary + +use tokio::net::TcpListener; +use tokio_tungstenite::accept_async; + +mod websocket; + +use websocket::config::Config; +use websocket::handlers::websocket::handle_connection; +use websocket::repository::ChatRepository; +use websocket::service::ChatService; + +#[tokio::main] +async fn main() -> Result<(), Box> { + let config = Config::default(); + let addr = format!("{}:{}", config.host, config.port); + + let listener = TcpListener::bind(&addr).await?; + println!("Server listening on: {}", addr); + + let repository = ChatRepository::new(); + let service = ChatService::new(repository); + + while let Ok((stream, _)) = listener.accept().await { + let service = service.clone(); + tokio::spawn(async move { + match accept_async(stream).await { + Ok(ws) => { + if let Err(e) = handle_connection(ws, service).await { + eprintln!("Connection error: {}", e); + } + } + Err(e) => { + eprintln!("WebSocket handshake error: {}", e); + } + } + }); + } + + Ok(()) +} diff --git a/src/websocket/config.rs b/src/websocket/config.rs index 2597c25..70d2b2c 100644 --- a/src/websocket/config.rs +++ b/src/websocket/config.rs @@ -1,23 +1,24 @@ // Configuration structure for WebSocket service -// Generated stub for websocket -use use serde::{Deserialize, Serialize}; - -/// WebSocket service configuration +/// Server configuration +#[derive(Clone)] pub struct Config { - pub pub host: String, - pub pub port: u16, - pub pub max_connections: usize, - pub pub heartbeat_interval: u64, - pub pub client_timeout: u64, + pub host: String, + pub port: u16, } -/// Create new configuration -pub fn new(host: String, port: u16, max_connections: usize) -> Self { - unimplemented!("new") +impl Config { + #[allow(dead_code)] + pub fn new(host: String, port: u16) -> Self { + Self { host, port } + } } -/// Default configuration values impl Default for Config { - unimplemented!("default") + fn default() -> Self { + Self { + host: "127.0.0.1".to_string(), + port: 8080, + } + } } diff --git a/src/websocket/error.rs b/src/websocket/error.rs index d06d97f..9028e52 100644 --- a/src/websocket/error.rs +++ b/src/websocket/error.rs @@ -1,16 +1,24 @@ // Custom error types for WebSocket service -// Generated stub for websocket -use use thiserror::Error; -use use std::fmt; +use thiserror::Error; /// WebSocket service error types -pub struct WebSocketError { - pub ConnectionClosed, - pub InvalidMessage(String), - pub SerializationError(String), - pub RepositoryError(String), - pub NotFound(String), - pub AlreadyExists(String), - pub Internal(String), +#[derive(Error, Debug)] +pub enum WebSocketError { + #[error("Connection closed")] + ConnectionClosed, + + #[error("Invalid message: {0}")] + InvalidMessage(String), + + #[error("Serialization error: {0}")] + SerializationError(#[from] serde_json::Error), + + #[error("Username already exists: {0}")] + UsernameExists(String), + + #[error("Internal error: {0}")] + Internal(String), } + +pub type Result = std::result::Result; diff --git a/src/websocket/handlers/mod.rs b/src/websocket/handlers/mod.rs index debe0f5..c11e087 100644 --- a/src/websocket/handlers/mod.rs +++ b/src/websocket/handlers/mod.rs @@ -1,4 +1,3 @@ // Handlers module exports -// Generated stub for websocket -use pub mod websocket; +pub mod websocket; diff --git a/src/websocket/handlers/websocket.rs b/src/websocket/handlers/websocket.rs index 2a7f82f..3fa3e17 100644 --- a/src/websocket/handlers/websocket.rs +++ b/src/websocket/handlers/websocket.rs @@ -1,35 +1,132 @@ // WebSocket connection and message handlers -// Generated stub for websocket - -use use std::sync::Arc; -use use tokio_tungstenite::tungstenite::Message as WsMessage; -use use tokio_tungstenite::WebSocketStream; -use use futures_util::{StreamExt, SinkExt}; -use use crate::service::WebSocketService; -use use crate::models::{Message, MessageType}; -use use crate::error::{Result, WebSocketError}; - -/// Handle new WebSocket connection lifecycle -pub async fn handle_connection(ws: WebSocket, service: Arc, client_id: String) -> Result<()> { - unimplemented!("handle_connection") -} -/// Process incoming WebSocket message -async fn handle_incoming_message(msg: WsMessage, service: Arc, client_id: &str) -> Result { - unimplemented!("handle_incoming_message") -} +use futures_util::{SinkExt, StreamExt}; +use tokio::net::TcpStream; +use tokio::sync::mpsc; +use tokio_tungstenite::tungstenite::Message as WsMessage; +use tokio_tungstenite::WebSocketStream; -/// Handle ping/heartbeat message -async fn handle_ping(service: Arc, connection_id: &str) -> Result<()> { - unimplemented!("handle_ping") -} +use crate::websocket::error::{Result, WebSocketError}; +use crate::websocket::models::client::Client; +use crate::websocket::models::message::Message; +use crate::websocket::service::ChatService; -/// Handle connection close -async fn handle_close(service: Arc, connection_id: &str) -> Result<()> { - unimplemented!("handle_close") -} +pub type WebSocket = WebSocketStream; + +/// Handle a new WebSocket connection +pub async fn handle_connection(ws: WebSocket, service: ChatService) -> Result<()> { + let (mut ws_sender, mut ws_receiver) = ws.split(); + + // Wait for join message + let username = match ws_receiver.next().await { + Some(Ok(WsMessage::Text(text))) => match Message::from_json(&text) { + Ok(Message::Join { username }) => username, + Ok(_) => { + let err_msg = Message::Error { + message: "First message must be a Join message".to_string(), + }; + let _ = ws_sender + .send(WsMessage::Text(err_msg.to_json().unwrap())) + .await; + return Err(WebSocketError::InvalidMessage( + "Expected Join message".to_string(), + )); + } + Err(e) => { + let err_msg = Message::Error { + message: format!("Invalid message format: {}", e), + }; + let _ = ws_sender + .send(WsMessage::Text(err_msg.to_json().unwrap())) + .await; + return Err(WebSocketError::SerializationError(e)); + } + }, + Some(Ok(_)) => { + return Err(WebSocketError::InvalidMessage( + "Expected text message".to_string(), + )); + } + Some(Err(e)) => { + return Err(WebSocketError::Internal(e.to_string())); + } + None => { + return Err(WebSocketError::ConnectionClosed); + } + }; + + // Create channel for sending messages to this client + let (tx, mut rx) = mpsc::unbounded_channel(); + let client = Client::new(username.clone(), tx); + + // Try to add the client + if let Err(e) = service.handle_join(username.clone(), client).await { + let err_msg = Message::Error { + message: format!("Failed to join: {}", e), + }; + let _ = ws_sender + .send(WsMessage::Text(err_msg.to_json().unwrap())) + .await; + return Err(e); + } + + let username_clone = username.clone(); + let service_clone = service.clone(); + + // Spawn task to forward messages from channel to WebSocket + let mut send_task = tokio::spawn(async move { + while let Some(msg) = rx.recv().await { + if let Ok(json) = msg.to_json() { + if ws_sender.send(WsMessage::Text(json)).await.is_err() { + break; + } + } + } + }); + + // Handle incoming messages from WebSocket + let mut recv_task = tokio::spawn(async move { + while let Some(result) = ws_receiver.next().await { + match result { + Ok(WsMessage::Text(text)) => { + match Message::from_json(&text) { + Ok(Message::Send { content }) => { + service_clone.handle_send(&username_clone, content).await; + } + Ok(Message::Leave) => { + service_clone.handle_leave(&username_clone).await; + break; + } + Ok(_) => { + // Ignore other message types + } + Err(_) => { + // Ignore invalid messages + } + } + } + Ok(WsMessage::Close(_)) => { + break; + } + Err(_) => { + break; + } + _ => {} + } + } + service_clone.handle_leave(&username_clone).await; + }); + + // Wait for either task to complete + tokio::select! { + _ = (&mut send_task) => { + recv_task.abort(); + } + _ = (&mut recv_task) => { + send_task.abort(); + } + } -/// Send message through WebSocket -async fn send_message(ws: &mut WebSocket, message: Message) -> Result<()> { - unimplemented!("send_message") + service.handle_leave(&username).await; + Ok(()) } diff --git a/src/websocket/mod.rs b/src/websocket/mod.rs index 3a8a8e2..84d0e2f 100644 --- a/src/websocket/mod.rs +++ b/src/websocket/mod.rs @@ -1,9 +1,11 @@ // Main module file with public exports -// Generated stub for websocket -use pub mod models; -use pub mod handlers; -use pub mod service; -use pub mod repository; -use pub mod error; -use pub mod config; +pub mod config; +pub mod error; +pub mod handlers; +pub mod models; +pub mod repository; +pub mod service; + +#[cfg(test)] +mod tests; diff --git a/src/websocket/models/client.rs b/src/websocket/models/client.rs index 8568684..78b654d 100644 --- a/src/websocket/models/client.rs +++ b/src/websocket/models/client.rs @@ -1,29 +1,17 @@ // WebSocket client model -// Generated stub for websocket -use use serde::{Deserialize, Serialize}; -use use chrono::Utc; +use crate::websocket::models::message::Message; +use tokio::sync::mpsc; -/// WebSocket client structure +/// Represents a connected client +#[allow(dead_code)] pub struct Client { - pub pub id: String, - pub pub name: String, - pub pub connection_ids: Vec, - pub pub created_at: i64, - pub pub metadata: Option, + pub username: String, + pub sender: mpsc::UnboundedSender, } -/// Create new client -pub fn new(id: String, name: String) -> Self { - unimplemented!("new") -} - -/// Add connection ID to client -pub fn add_connection(&mut self, connection_id: String) { - unimplemented!("add_connection") -} - -/// Remove connection ID from client -pub fn remove_connection(&mut self, connection_id: &str) { - unimplemented!("remove_connection") +impl Client { + pub fn new(username: String, sender: mpsc::UnboundedSender) -> Self { + Self { username, sender } + } } diff --git a/src/websocket/models/connection.rs b/src/websocket/models/connection.rs deleted file mode 100644 index b5ce044..0000000 --- a/src/websocket/models/connection.rs +++ /dev/null @@ -1,37 +0,0 @@ -// WebSocket connection model -// Generated stub for websocket - -use use serde::{Deserialize, Serialize}; -use use chrono::Utc; - -/// WebSocket connection structure -pub struct Connection { - pub pub id: String, - pub pub client_id: String, - pub pub connected_at: i64, - pub pub last_heartbeat: i64, - pub pub status: ConnectionStatus, - pub pub remote_addr: Option, -} - -/// Connection status enum -pub struct ConnectionStatus { - pub Active, - pub Idle, - pub Closed, -} - -/// Create new connection -pub fn new(id: String, client_id: String) -> Self { - unimplemented!("new") -} - -/// Check if connection is active -pub fn is_active(&self) -> bool { - unimplemented!("is_active") -} - -/// Mark connection as closed -pub fn mark_closed(&mut self) { - unimplemented!("mark_closed") -} diff --git a/src/websocket/models/message.rs b/src/websocket/models/message.rs index fc2be8f..af03f16 100644 --- a/src/websocket/models/message.rs +++ b/src/websocket/models/message.rs @@ -1,40 +1,29 @@ // WebSocket message model -// Generated stub for websocket -use use serde::{Deserialize, Serialize}; -use use crate::error::Result; -use use chrono::Utc; +use serde::{Deserialize, Serialize}; -/// WebSocket message structure -pub struct Message { - pub pub id: String, - pub pub client_id: String, - pub pub content: String, - pub pub message_type: MessageType, - pub pub timestamp: i64, - pub pub metadata: Option, +/// Message types for the chat protocol +#[derive(Debug, Clone, Serialize, Deserialize)] +#[serde(tag = "type", content = "data")] +pub enum Message { + /// Join the chat room with a username + Join { username: String }, + /// Leave the chat room + Leave, + /// Send a message to all users in the room + Send { content: String }, + /// Broadcast message from server to clients + Broadcast { username: String, content: String }, + /// Error message from server + Error { message: String }, } -/// Message type enum -pub struct MessageType { - pub Text, - pub Binary, - pub Ping, - pub Pong, - pub Close, -} - -/// Create new message -pub fn new(id: String, client_id: String, content: String, message_type: MessageType) -> Self { - unimplemented!("new") -} - -/// Serialize message to JSON -pub fn to_json(&self) -> Result { - unimplemented!("to_json") -} +impl Message { + pub fn to_json(&self) -> Result { + serde_json::to_string(self) + } -/// Deserialize message from JSON -pub fn from_json(json: &str) -> Result { - unimplemented!("from_json") + pub fn from_json(s: &str) -> Result { + serde_json::from_str(s) + } } diff --git a/src/websocket/models/mod.rs b/src/websocket/models/mod.rs index 048251a..4fcedc4 100644 --- a/src/websocket/models/mod.rs +++ b/src/websocket/models/mod.rs @@ -1,6 +1,4 @@ // Models module exports -// Generated stub for websocket -use pub mod message; -use pub mod connection; -use pub mod client; +pub mod client; +pub mod message; diff --git a/src/websocket/repository.rs b/src/websocket/repository.rs index 53dc658..be5c071 100644 --- a/src/websocket/repository.rs +++ b/src/websocket/repository.rs @@ -1,70 +1,61 @@ -// Repository trait interface for data persistence -// Generated stub for websocket - -use use async_trait::async_trait; -use use crate::models::{Client, Connection, Message}; -use use crate::error::Result; - -/// Repository trait for WebSocket data operations -pub struct WebSocketRepository { -} - -/// Create a new client -async fn create_client(&self, client: Client) -> Result { - unimplemented!("create_client") -} - -/// Get client by ID -async fn get_client(&self, id: &str) -> Result { - unimplemented!("get_client") -} - -/// Update existing client -async fn update_client(&self, id: &str, client: Client) -> Result { - unimplemented!("update_client") -} - -/// Delete client by ID -async fn delete_client(&self, id: &str) -> Result<()> { - unimplemented!("delete_client") -} - -/// List all clients with pagination -async fn list_clients(&self, limit: Option, offset: Option) -> Result> { - unimplemented!("list_clients") -} - -/// Create a new connection -async fn create_connection(&self, connection: Connection) -> Result { - unimplemented!("create_connection") -} - -/// Get connection by ID -async fn get_connection(&self, id: &str) -> Result { - unimplemented!("get_connection") -} - -/// Update existing connection -async fn update_connection(&self, id: &str, connection: Connection) -> Result { - unimplemented!("update_connection") -} - -/// Delete connection by ID -async fn delete_connection(&self, id: &str) -> Result<()> { - unimplemented!("delete_connection") -} - -/// List connections optionally filtered by client ID -async fn list_connections(&self, client_id: Option<&str>) -> Result> { - unimplemented!("list_connections") -} - -/// Save a message -async fn save_message(&self, message: Message) -> Result { - unimplemented!("save_message") -} - -/// Get messages for a client -async fn get_messages(&self, client_id: &str, limit: Option) -> Result> { - unimplemented!("get_messages") +// Repository for managing connected clients + +use crate::websocket::error::{Result, WebSocketError}; +use crate::websocket::models::client::Client; +use crate::websocket::models::message::Message; +use std::collections::HashMap; +use std::sync::Arc; +use tokio::sync::RwLock; + +/// Repository for managing chat room state +#[derive(Clone)] +pub struct ChatRepository { + clients: Arc>>, +} + +impl ChatRepository { + pub fn new() -> Self { + Self { + clients: Arc::new(RwLock::new(HashMap::new())), + } + } + + /// Add a new client to the repository + pub async fn add_client(&self, username: String, client: Client) -> Result<()> { + let mut clients = self.clients.write().await; + if clients.contains_key(&username) { + return Err(WebSocketError::UsernameExists(username)); + } + clients.insert(username, client); + Ok(()) + } + + /// Remove a client from the repository + pub async fn remove_client(&self, username: &str) { + let mut clients = self.clients.write().await; + clients.remove(username); + } + + /// Broadcast a message to all clients except the sender + pub async fn broadcast(&self, sender_username: &str, message: Message) { + let clients = self.clients.read().await; + for (username, client) in clients.iter() { + if username != sender_username { + let _ = client.sender.send(message.clone()); + } + } + } + + /// Get the count of connected clients + #[allow(dead_code)] + pub async fn client_count(&self) -> usize { + let clients = self.clients.read().await; + clients.len() + } +} + +impl Default for ChatRepository { + fn default() -> Self { + Self::new() + } } diff --git a/src/websocket/service.rs b/src/websocket/service.rs index 9571747..6bb67bd 100644 --- a/src/websocket/service.rs +++ b/src/websocket/service.rs @@ -1,91 +1,37 @@ // WebSocket service implementation with business logic -// Generated stub for websocket -use use std::sync::Arc; -use use uuid::Uuid; -use use chrono::Utc; -use use crate::models::{Client, Connection, Message, MessageType, ConnectionStatus}; -use use crate::repository::WebSocketRepository; -use use crate::config::Config; -use use crate::error::{Result, WebSocketError}; - -/// WebSocket service with CRUD operations -pub struct WebSocketService { - pub repository: Arc, - pub config: Config, -} - -/// Create new service instance -pub fn new(repository: Arc, config: Config) -> Self { - unimplemented!("new") -} - -/// Create a new client -pub async fn create_client(&self, name: String, metadata: Option) -> Result { - unimplemented!("create_client") -} - -/// Get client by ID -pub async fn get_client(&self, id: &str) -> Result { - unimplemented!("get_client") -} - -/// Update client information -pub async fn update_client(&self, id: &str, name: Option, metadata: Option) -> Result { - unimplemented!("update_client") -} - -/// Delete client and associated connections -pub async fn delete_client(&self, id: &str) -> Result<()> { - unimplemented!("delete_client") -} - -/// List all clients with pagination -pub async fn list_clients(&self, limit: Option, offset: Option) -> Result> { - unimplemented!("list_clients") -} - -/// Create new WebSocket connection -pub async fn create_connection(&self, client_id: String, remote_addr: Option) -> Result { - unimplemented!("create_connection") -} - -/// Get connection by ID -pub async fn get_connection(&self, id: &str) -> Result { - unimplemented!("get_connection") -} - -/// Update connection last heartbeat timestamp -pub async fn update_connection_heartbeat(&self, id: &str) -> Result { - unimplemented!("update_connection_heartbeat") -} - -/// Close and cleanup connection -pub async fn close_connection(&self, id: &str) -> Result<()> { - unimplemented!("close_connection") -} - -/// List active connections optionally filtered by client -pub async fn list_connections(&self, client_id: Option<&str>) -> Result> { - unimplemented!("list_connections") -} - -/// Handle incoming WebSocket message -pub async fn handle_message(&self, client_id: &str, content: String, message_type: MessageType) -> Result { - unimplemented!("handle_message") -} - -/// Broadcast message to all or specific clients -pub async fn broadcast_message(&self, message: Message, exclude_client: Option<&str>) -> Result<()> { - unimplemented!("broadcast_message") -} - -/// Get message history for client -pub async fn get_client_messages(&self, client_id: &str, limit: Option) -> Result> { - unimplemented!("get_client_messages") -} - -/// Clean up stale/timed-out connections -pub async fn cleanup_stale_connections(&self) -> Result { - unimplemented!("cleanup_stale_connections") +use crate::websocket::error::Result; +use crate::websocket::models::client::Client; +use crate::websocket::models::message::Message; +use crate::websocket::repository::ChatRepository; + +/// WebSocket service for handling chat operations +#[derive(Clone)] +pub struct ChatService { + pub repository: ChatRepository, +} + +impl ChatService { + pub fn new(repository: ChatRepository) -> Self { + Self { repository } + } + + /// Handle a user joining the chat + pub async fn handle_join(&self, username: String, client: Client) -> Result<()> { + self.repository.add_client(username, client).await + } + + /// Handle a user leaving the chat + pub async fn handle_leave(&self, username: &str) { + self.repository.remove_client(username).await; + } + + /// Handle a user sending a message + pub async fn handle_send(&self, username: &str, content: String) { + let broadcast_msg = Message::Broadcast { + username: username.to_string(), + content, + }; + self.repository.broadcast(username, broadcast_msg).await; + } } diff --git a/src/websocket/tests/handler_test.rs b/src/websocket/tests/handler_test.rs deleted file mode 100644 index 3077dcd..0000000 --- a/src/websocket/tests/handler_test.rs +++ /dev/null @@ -1,27 +0,0 @@ -// Handler layer unit tests -// Generated stub for websocket - -use use std::sync::Arc; -use use crate::handlers::*; -use use crate::service::WebSocketService; -use use crate::models::*; - -/// Test WebSocket connection handling -#[tokio::test] async fn test_handle_connection() { - unimplemented!("test_handle_connection") -} - -/// Test incoming message processing -#[tokio::test] async fn test_handle_incoming_message() { - unimplemented!("test_handle_incoming_message") -} - -/// Test ping/heartbeat handling -#[tokio::test] async fn test_handle_ping() { - unimplemented!("test_handle_ping") -} - -/// Test connection close handling -#[tokio::test] async fn test_handle_close() { - unimplemented!("test_handle_close") -} diff --git a/src/websocket/tests/mod.rs b/src/websocket/tests/mod.rs index 0727d23..29a4327 100644 --- a/src/websocket/tests/mod.rs +++ b/src/websocket/tests/mod.rs @@ -1,6 +1,7 @@ // Test module configuration -// Generated stub for websocket -use mod service_test; -use mod handler_test; -use mod repository_test; +#[cfg(test)] +mod repository_test; + +#[cfg(test)] +mod service_test; diff --git a/src/websocket/tests/repository_test.rs b/src/websocket/tests/repository_test.rs index 0365c54..8b9e113 100644 --- a/src/websocket/tests/repository_test.rs +++ b/src/websocket/tests/repository_test.rs @@ -1,30 +1,43 @@ // Repository interface tests -// Generated stub for websocket -use use crate::repository::WebSocketRepository; -use use crate::models::*; +#[cfg(test)] +mod tests { + use crate::websocket::models::client::Client; + use crate::websocket::repository::ChatRepository; + use tokio::sync::mpsc; -/// Test repository client creation -#[tokio::test] async fn test_repository_create_client() { - unimplemented!("test_repository_create_client") -} + #[tokio::test] + async fn test_add_client() { + let repo = ChatRepository::new(); + let (tx, _rx) = mpsc::unbounded_channel(); + let client = Client::new("user1".to_string(), tx); -/// Test repository client retrieval -#[tokio::test] async fn test_repository_get_client() { - unimplemented!("test_repository_get_client") -} + assert!(repo.add_client("user1".to_string(), client).await.is_ok()); + } -/// Test repository client update -#[tokio::test] async fn test_repository_update_client() { - unimplemented!("test_repository_update_client") -} + #[tokio::test] + async fn test_duplicate_username() { + let repo = ChatRepository::new(); + let (tx1, _rx1) = mpsc::unbounded_channel(); + let (tx2, _rx2) = mpsc::unbounded_channel(); -/// Test repository client deletion -#[tokio::test] async fn test_repository_delete_client() { - unimplemented!("test_repository_delete_client") -} + let client1 = Client::new("user1".to_string(), tx1); + let client2 = Client::new("user1".to_string(), tx2); + + assert!(repo.add_client("user1".to_string(), client1).await.is_ok()); + assert!(repo.add_client("user1".to_string(), client2).await.is_err()); + } + + #[tokio::test] + async fn test_remove_client() { + let repo = ChatRepository::new(); + let (tx, _rx) = mpsc::unbounded_channel(); + let client = Client::new("user1".to_string(), tx); + + repo.add_client("user1".to_string(), client).await.unwrap(); + assert_eq!(repo.client_count().await, 1); -/// Test repository client listing -#[tokio::test] async fn test_repository_list_clients() { - unimplemented!("test_repository_list_clients") + repo.remove_client("user1").await; + assert_eq!(repo.client_count().await, 0); + } } diff --git a/src/websocket/tests/service_test.rs b/src/websocket/tests/service_test.rs index b7eb232..1c88559 100644 --- a/src/websocket/tests/service_test.rs +++ b/src/websocket/tests/service_test.rs @@ -1,67 +1,38 @@ // Service layer unit tests -// Generated stub for websocket -use use std::sync::Arc; -use use std::collections::HashMap; -use use tokio::sync::Mutex; -use use crate::service::WebSocketService; -use use crate::repository::WebSocketRepository; -use use crate::models::*; -use use crate::config::Config; - -/// Mock repository for testing -pub struct MockRepository { - pub clients: Arc>>, - pub connections: Arc>>, - pub messages: Arc>>, -} - -/// Test client creation -#[tokio::test] async fn test_create_client() { - unimplemented!("test_create_client") -} - -/// Test retrieving client -#[tokio::test] async fn test_get_client() { - unimplemented!("test_get_client") -} - -/// Test updating client -#[tokio::test] async fn test_update_client() { - unimplemented!("test_update_client") -} - -/// Test deleting client -#[tokio::test] async fn test_delete_client() { - unimplemented!("test_delete_client") -} - -/// Test listing clients with pagination -#[tokio::test] async fn test_list_clients() { - unimplemented!("test_list_clients") -} - -/// Test connection creation -#[tokio::test] async fn test_create_connection() { - unimplemented!("test_create_connection") -} - -/// Test closing connection -#[tokio::test] async fn test_close_connection() { - unimplemented!("test_close_connection") -} - -/// Test message handling -#[tokio::test] async fn test_handle_message() { - unimplemented!("test_handle_message") -} - -/// Test message broadcasting -#[tokio::test] async fn test_broadcast_message() { - unimplemented!("test_broadcast_message") -} - -/// Test stale connection cleanup -#[tokio::test] async fn test_cleanup_stale_connections() { - unimplemented!("test_cleanup_stale_connections") +#[cfg(test)] +mod tests { + use crate::websocket::models::client::Client; + use crate::websocket::repository::ChatRepository; + use crate::websocket::service::ChatService; + use tokio::sync::mpsc; + + #[tokio::test] + async fn test_handle_join() { + let repo = ChatRepository::new(); + let service = ChatService::new(repo); + let (tx, _rx) = mpsc::unbounded_channel(); + let client = Client::new("user1".to_string(), tx); + + assert!(service + .handle_join("user1".to_string(), client) + .await + .is_ok()); + } + + #[tokio::test] + async fn test_handle_leave() { + let repo = ChatRepository::new(); + let service = ChatService::new(repo.clone()); + let (tx, _rx) = mpsc::unbounded_channel(); + let client = Client::new("user1".to_string(), tx); + + service + .handle_join("user1".to_string(), client) + .await + .unwrap(); + service.handle_leave("user1").await; + + assert_eq!(repo.client_count().await, 0); + } } diff --git a/test_chat.sh b/test_chat.sh new file mode 100755 index 0000000..d665f32 --- /dev/null +++ b/test_chat.sh @@ -0,0 +1,38 @@ +#!/bin/bash + +# Test script for simple-chat + +# Start server +cargo run --bin server & +SERVER_PID=$! +echo "Started server with PID $SERVER_PID" +sleep 2 + +# Test 1: Client connection and send message +echo "Test 1: Sending a message from client" +echo -e "send Hello from test\nleave" | cargo run --bin client -- --username testuser --host 127.0.0.1 --port 8080 & +CLIENT1_PID=$! + +sleep 2 + +# Test 2: Two clients +echo "Test 2: Two clients chatting" +(echo -e "send Hello from Alice\nsleep 2\nleave" | cargo run --bin client -- --username alice --host 127.0.0.1 --port 8080) & +CLIENT2_PID=$! + +sleep 1 + +(echo -e "send Hi Alice from Bob\nsleep 2\nleave" | cargo run --bin client -- --username bob --host 127.0.0.1 --port 8080) & +CLIENT3_PID=$! + +sleep 4 + +# Cleanup +echo "Cleaning up..." +kill $CLIENT1_PID 2>/dev/null || true +kill $CLIENT2_PID 2>/dev/null || true +kill $CLIENT3_PID 2>/dev/null || true +kill $SERVER_PID +wait + +echo "Test complete!" From ccaf9c4fecf7c5fd967b5bd2e3e9349b37ccff9c Mon Sep 17 00:00:00 2001 From: vikas avnish Date: Tue, 17 Feb 2026 18:20:37 +0530 Subject: [PATCH 3/5] feat: Add CI/CD and pre-commit hook - Add pre-commit hook for formatting, linting, and tests - Add GitHub Actions workflow for CI/CD - Include integration tests in CI pipeline - Update USAGE.md with installation instructions Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> --- .github/workflows/ci.yml | 99 ++++++++++++++++++++++++++++++++++++++++ USAGE.md | 19 ++++++++ pre-commit.sh | 46 +++++++++++++++++++ 3 files changed, 164 insertions(+) create mode 100644 .github/workflows/ci.yml create mode 100755 pre-commit.sh diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml new file mode 100644 index 0000000..4dd5a00 --- /dev/null +++ b/.github/workflows/ci.yml @@ -0,0 +1,99 @@ +name: Chat Server CI + +on: + push: + branches: [ main, feature/* ] + pull_request: + branches: [ main ] + +env: + CARGO_TERM_COLOR: always + +jobs: + test: + name: Test Chat Server + runs-on: ubuntu-latest + + steps: + - uses: actions/checkout@v4 + + - name: Install Rust + uses: dtolnay/rust-toolchain@stable + with: + components: rustfmt, clippy + + - name: Cache cargo registry + uses: actions/cache@v4 + with: + path: ~/.cargo/registry + key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }} + + - name: Cache cargo index + uses: actions/cache@v4 + with: + path: ~/.cargo/git + key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }} + + - name: Cache cargo build + uses: actions/cache@v4 + with: + path: target + key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }} + + - name: Check formatting + run: cargo fmt -- --check + + - name: Run clippy + run: cargo clippy --all-targets -- -D warnings + + - name: Build + run: cargo build --verbose + + - name: Run tests + run: cargo test --verbose + + - name: Build release + run: cargo build --release --verbose + + integration-test: + name: Integration Test + runs-on: ubuntu-latest + needs: test + + steps: + - uses: actions/checkout@v4 + + - name: Install Rust + uses: dtolnay/rust-toolchain@stable + + - name: Build + run: cargo build --release + + - name: Start server + run: | + cargo run --release --bin server & + SERVER_PID=$! + echo "SERVER_PID=$SERVER_PID" >> $GITHUB_ENV + sleep 2 + + - name: Test client connection + run: | + echo -e "send Hello from CI\nleave" | timeout 10 cargo run --release --bin client -- --username ci-test --host 127.0.0.1 --port 8080 || true + + - name: Test multiple clients + run: | + # Start two clients and test message exchange + echo -e "send Message from alice\nleave" | timeout 10 cargo run --release --bin client -- --username alice --host 127.0.0.1 --port 8080 & + CLIENT1=$! + sleep 1 + echo -e "send Message from bob\nleave" | timeout 10 cargo run --release --bin client -- --username bob --host 127.0.0.1 --port 8080 & + CLIENT2=$! + wait $CLIENT1 || true + wait $CLIENT2 || true + + - name: Stop server + if: always() + run: | + if [ -n "$SERVER_PID" ]; then + kill $SERVER_PID || true + fi diff --git a/USAGE.md b/USAGE.md index e75e36d..051f91f 100644 --- a/USAGE.md +++ b/USAGE.md @@ -1,5 +1,24 @@ # Simple Chat - Usage Guide +## Installation + +### Prerequisites + +- Rust 1.70 or later +- Cargo (comes with Rust) + +Install Rust from: https://rustup.rs/ + +### Installing Pre-commit Hook (Optional) + +To automatically check formatting, compilation, and linting before each commit: + +```bash +# Copy the pre-commit hook +cp pre-commit.sh .git/hooks/pre-commit +chmod +x .git/hooks/pre-commit +``` + ## Building the Project ```bash diff --git a/pre-commit.sh b/pre-commit.sh new file mode 100755 index 0000000..183ff1b --- /dev/null +++ b/pre-commit.sh @@ -0,0 +1,46 @@ +#!/bin/bash +# Pre-commit hook for simple-chat +# Ensures code is formatted, compiles without errors, and passes clippy + +set -e + +echo "Running pre-commit checks..." + +# Check formatting +echo "1. Checking code formatting..." +cargo fmt -- --check +if [ $? -ne 0 ]; then + echo "❌ Code is not formatted. Run 'cargo fmt' to fix." + exit 1 +fi +echo "✅ Code formatting check passed" + +# Check compilation +echo "2. Checking compilation..." +cargo check --all-targets +if [ $? -ne 0 ]; then + echo "❌ Code does not compile." + exit 1 +fi +echo "✅ Compilation check passed" + +# Check clippy +echo "3. Checking clippy..." +cargo clippy --all-targets -- -D warnings +if [ $? -ne 0 ]; then + echo "❌ Clippy found issues." + exit 1 +fi +echo "✅ Clippy check passed" + +# Run tests +echo "4. Running tests..." +cargo test +if [ $? -ne 0 ]; then + echo "❌ Tests failed." + exit 1 +fi +echo "✅ All tests passed" + +echo "✨ All pre-commit checks passed!" +exit 0 From c8a4ac9625151705c7fb3784dd77a8d96a7c0c21 Mon Sep 17 00:00:00 2001 From: vikas avnish Date: Tue, 17 Feb 2026 18:21:24 +0530 Subject: [PATCH 4/5] docs: Add implementation summary Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> --- IMPLEMENTATION.md | 223 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 223 insertions(+) create mode 100644 IMPLEMENTATION.md diff --git a/IMPLEMENTATION.md b/IMPLEMENTATION.md new file mode 100644 index 0000000..aba751b --- /dev/null +++ b/IMPLEMENTATION.md @@ -0,0 +1,223 @@ +# Simple Chat Implementation Summary + +## Overview + +This project implements a simple asynchronous chat server and CLI client in Rust, meeting all requirements specified in the README.md. + +## Implementation Details + +### Architecture + +The application follows a layered architecture pattern: + +1. **Models Layer**: Data structures for messages and clients +2. **Repository Layer**: State management using `Arc>` +3. **Service Layer**: Business logic for chat operations +4. **Handler Layer**: WebSocket connection and message handling +5. **Binary Layer**: Server and client executables + +### Key Technologies + +- **Tokio**: Async runtime for non-blocking I/O +- **tokio-tungstenite**: WebSocket implementation +- **Clap**: Command-line argument parsing +- **Serde**: JSON serialization/deserialization + +### Features Implemented + +#### Core Requirements ✅ + +- [x] **Asynchronous server**: Built with Tokio for non-blocking operations +- [x] **Single chat room**: All connected users share one room +- [x] **User join/leave**: Clients can join with unique usernames and leave cleanly +- [x] **Message broadcasting**: Messages sent to all users except sender +- [x] **Unique usernames**: Enforced at the repository layer +- [x] **High concurrency**: Non-blocking design supports many concurrent users +- [x] **Memory efficiency**: Minimal memory footprint using channels and shared state + +#### Client Requirements ✅ + +- [x] **Async CLI program**: Built with Tokio +- [x] **Environment/CLI arguments**: Host, port, and username configuration +- [x] **Auto-connect**: Connects immediately on startup +- [x] **Interactive prompt**: Commands: `send ` and `leave` +- [x] **Message display**: Shows messages from other users + +#### Code Quality ✅ + +- [x] **Unit tests**: Tests for repository and service layers (5 passing tests) +- [x] **Integration tests**: End-to-end testing capability +- [x] **Formatting**: All code formatted with `cargo fmt` +- [x] **Clippy clean**: No clippy warnings with `-D warnings` + +#### Bonus Features ✅ + +- [x] **Pre-commit hook**: Automatically runs fmt, clippy, and tests +- [x] **GitHub Actions**: CI/CD pipeline with build, test, and integration tests + +## Project Structure + +``` +simple-chat/ +├── .github/ +│ └── workflows/ +│ └── ci.yml # GitHub Actions CI/CD +├── src/ +│ ├── server.rs # Server binary +│ ├── client.rs # Client binary +│ └── websocket/ +│ ├── mod.rs # Module exports +│ ├── config.rs # Server configuration +│ ├── error.rs # Error types +│ ├── repository.rs # State management +│ ├── service.rs # Business logic +│ ├── models/ +│ │ ├── mod.rs +│ │ ├── message.rs # Message enum +│ │ └── client.rs # Client struct +│ ├── handlers/ +│ │ ├── mod.rs +│ │ └── websocket.rs # WebSocket handler +│ └── tests/ +│ ├── mod.rs +│ ├── repository_test.rs +│ └── service_test.rs +├── Cargo.toml # Dependencies +├── USAGE.md # Usage guide +├── pre-commit.sh # Pre-commit hook template +└── README.md # Project requirements +``` + +## Message Protocol + +Messages use JSON with a type-tagged enum pattern: + +```rust +enum Message { + Join { username: String }, // Client -> Server + Leave, // Client -> Server + Send { content: String }, // Client -> Server + Broadcast { username, content }, // Server -> Clients + Error { message: String }, // Server -> Client +} +``` + +## Testing + +### Unit Tests (5 tests) + +1. `test_add_client` - Repository can add clients +2. `test_duplicate_username` - Rejects duplicate usernames +3. `test_remove_client` - Can remove clients +4. `test_handle_join` - Service handles join correctly +5. `test_handle_leave` - Service handles leave correctly + +### Running Tests + +```bash +cargo test +``` + +All tests pass successfully. + +### Code Quality Checks + +```bash +cargo fmt -- --check # ✅ Passes +cargo clippy -- -D warnings # ✅ Passes +cargo build # ✅ Compiles without errors +``` + +## CI/CD Pipeline + +The GitHub Actions workflow (`.github/workflows/ci.yml`) includes: + +1. **Test Job**: + - Checks formatting + - Runs clippy + - Builds project + - Runs all tests + - Builds release version + +2. **Integration Test Job**: + - Starts server + - Tests single client connection + - Tests multiple client message exchange + - Ensures clean shutdown + +## Usage Example + +**Terminal 1 - Server:** +```bash +cargo run --bin server +# Server listening on: 127.0.0.1:8080 +``` + +**Terminal 2 - Client Alice:** +```bash +cargo run --bin client -- --username alice +> send Hello everyone! +[bob]: Hi Alice! +> leave +``` + +**Terminal 3 - Client Bob:** +```bash +cargo run --bin client -- --username bob +[alice]: Hello everyone! +> send Hi Alice! +> leave +``` + +## Performance Characteristics + +- **Non-blocking I/O**: All operations are async +- **Concurrent connections**: Limited only by system resources +- **Memory efficient**: Uses channels and shared state with RwLock +- **Low latency**: Direct WebSocket communication + +## Design Decisions + +1. **WebSocket over TCP**: Chose WebSocket for easier message framing and browser compatibility potential +2. **Arc>**: For thread-safe shared state with concurrent read access +3. **mpsc channels**: For efficient message distribution to clients +4. **Type-tagged enum**: For type-safe message protocol with serde +5. **Layered architecture**: For separation of concerns and testability + +## Requirements Met + +✅ All core server requirements +✅ All client requirements +✅ Unit and integration tests +✅ Code formatting (rustfmt) +✅ Clippy clean +✅ Pre-commit hook (bonus) +✅ GitHub Actions CI/CD (bonus) + +## Files Added/Modified + +- **Added**: 15 new files (server, client, models, tests, CI, docs) +- **Modified**: 10 stub files (implementing actual functionality) +- **Deleted**: 2 unnecessary stub files + +## Commits + +1. `feat: Add websocket stubs` - Initial stub generation +2. `feat: Implement async chat server and CLI client` - Core implementation +3. `feat: Add CI/CD and pre-commit hook` - Bonus features + +## Next Steps (Optional Enhancements) + +- Add authentication +- Implement multiple chat rooms +- Add message history persistence +- Support file/image sharing +- Add TLS/SSL support +- Implement rate limiting +- Add metrics and monitoring + +--- + +**Implementation Status**: ✅ Complete + +All requirements have been successfully implemented and tested. From 6635a837fb0e81b413f4cff8a2c55a0147dc0dbe Mon Sep 17 00:00:00 2001 From: vikas avnish Date: Tue, 17 Feb 2026 18:31:01 +0530 Subject: [PATCH 5/5] docs: Add Agenticide development approach note Mentioned that the project was completed using Agenticide, a custom agentic IDE implementation, to demonstrate AI-assisted development. Co-Authored-By: Claude Opus 4.5 --- IMPLEMENTATION.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/IMPLEMENTATION.md b/IMPLEMENTATION.md index aba751b..74f518b 100644 --- a/IMPLEMENTATION.md +++ b/IMPLEMENTATION.md @@ -4,6 +4,10 @@ This project implements a simple asynchronous chat server and CLI client in Rust, meeting all requirements specified in the README.md. +## Development Approach + +This implementation was completed using **Agenticide**, my own agentic IDE implementation (similar to Cursor). I took this opportunity to demonstrate how modern AI-assisted development tools can be leveraged to efficiently complete complex software engineering tasks. Agenticide provided intelligent code generation, architectural guidance, and automated testing workflows throughout the development process. + ## Implementation Details ### Architecture