update to support user expire, timeout, and disconnect

crates/chattyness-shared/src/config.rs

@@ -0,0 +1,88 @@
+//! Application configuration for chattyness.
+//!
+//! Provides TOML-based configuration with sensible defaults for WebSocket
+//! timeouts and stale member cleanup.
+
+use serde::Deserialize;
+use std::path::Path;
+
+use chattyness_error::AppError;
+
+/// Root configuration structure.
+#[derive(Debug, Clone, Deserialize)]
+#[serde(default)]
+pub struct AppConfig {
+    /// WebSocket-related configuration.
+    pub websocket: WebSocketConfig,
+    /// Stale member cleanup configuration.
+    pub cleanup: CleanupConfig,
+}
+
+/// WebSocket configuration.
+#[derive(Debug, Clone, Deserialize)]
+#[serde(default)]
+pub struct WebSocketConfig {
+    /// Timeout for receiving messages from client before considering connection dead (seconds).
+    pub recv_timeout_secs: u64,
+    /// Interval for client to send ping to keep connection alive (seconds).
+    pub client_ping_interval_secs: u64,
+}
+
+/// Cleanup configuration for stale instance members.
+#[derive(Debug, Clone, Deserialize)]
+#[serde(default)]
+pub struct CleanupConfig {
+    /// Interval for running stale member cleanup job (seconds).
+    pub reap_interval_secs: u64,
+    /// Members with no activity for this duration are considered stale (seconds).
+    pub stale_threshold_secs: u64,
+    /// Clear all instance_members on server startup (recommended for single-server deployments).
+    pub clear_on_startup: bool,
+}
+
+impl Default for AppConfig {
+    fn default() -> Self {
+        Self {
+            websocket: WebSocketConfig::default(),
+            cleanup: CleanupConfig::default(),
+        }
+    }
+}
+
+impl Default for WebSocketConfig {
+    fn default() -> Self {
+        Self {
+            recv_timeout_secs: 45,
+            client_ping_interval_secs: 30,
+        }
+    }
+}
+
+impl Default for CleanupConfig {
+    fn default() -> Self {
+        Self {
+            reap_interval_secs: 120,
+            stale_threshold_secs: 120,
+            clear_on_startup: true,
+        }
+    }
+}
+
+impl AppConfig {
+    /// Load configuration from a TOML file.
+    ///
+    /// If no path is provided, returns default configuration.
+    pub fn load(path: Option<&Path>) -> Result<Self, AppError> {
+        match path {
+            Some(p) => {
+                let content = std::fs::read_to_string(p).map_err(|e| {
+                    AppError::Internal(format!("Failed to read config file {:?}: {}", p, e))
+                })?;
+                toml::from_str(&content).map_err(|e| {
+                    AppError::Internal(format!("Failed to parse config file {:?}: {}", p, e))
+                })
+            }
+            None => Ok(Self::default()),
+        }
+    }
+}

crates/chattyness-shared/src/lib.rs

@@ -1,8 +1,10 @@
 //! Shared utilities for chattyness.
 //!
-//! This crate provides common validation functions and utilities
-//! used across the application.
+//! This crate provides common validation functions, configuration,
+//! and utilities used across the application.
 
+pub mod config;
 pub mod validation;
 
+pub use config::*;
 pub use validation::*;