aetheris_server/
config.rs

1//! Server configuration management.
2//!
3//! Loads settings from environment variables with sensible defaults.
4
5/// Authoritative server configuration.
6#[derive(Debug, Clone)]
7pub struct ServerConfig {
8    /// Port for Prometheus metrics scraping.
9    pub metrics_port: u16,
10    /// Authoritative tick rate in Hz.
11    pub tick_rate: u64,
12}
13
14impl ServerConfig {
15    /// Loads configuration from environment variables with safe defaults.
16    #[must_use]
17    pub fn load() -> Self {
18        let metrics_port = std::env::var("AETHERIS_METRICS_PORT")
19            .ok()
20            .and_then(|s| s.parse().ok())
21            .unwrap_or(9000);
22
23        let tick_rate = std::env::var("AETHERIS_TICK_RATE")
24            .ok()
25            .and_then(|s| s.parse().ok())
26            .unwrap_or(60);
27
28        Self {
29            metrics_port,
30            tick_rate,
31        }
32    }
33}
34
35#[cfg(test)]
36mod tests {
37    use super::*;
38
39    #[test]
40    fn test_config_defaults() {
41        // Clear env to ensure defaults
42        unsafe {
43            std::env::remove_var("AETHERIS_METRICS_PORT");
44        }
45        let config = ServerConfig::load();
46        assert_eq!(config.metrics_port, 9000);
47    }
48
49    #[test]
50    fn test_config_env_override() {
51        unsafe {
52            std::env::set_var("AETHERIS_METRICS_PORT", "9500");
53        }
54        let config = ServerConfig::load();
55        assert_eq!(config.metrics_port, 9500);
56        unsafe {
57            std::env::remove_var("AETHERIS_METRICS_PORT");
58        }
59    }
60}
aetheris_server/config.rs

aetheris_server/
config.rs
