improve mqtt

server/src/config.rs

@@ -0,0 +1,14 @@
+use rumqttd::Config;
+
+const BROKER_CONFIG_PATH: &str = if cfg!(debug_assertions) {
+    "server/mqtt.toml"
+} else {
+    "mqtt.toml"
+};
+
+pub fn load_broker_config() -> anyhow::Result<Config> {
+    let content = std::fs::read_to_string(BROKER_CONFIG_PATH)?;
+    let config: Config = toml::from_str(&content)?;
+
+    Ok(config)
+}