✨ mqtt connections

almost working, need encryption

src/sheepd.rs

@@ -1,8 +1,22 @@
-use sheepd_core::args::{SheepdArgs, SheepdCommand};
+use api::Identity;
+use sheepd_core::{
+    args::{SheepdArgs, SheepdCommand},
+    config::AgentConfig,
+};
 mod api;
 mod sheepd_core;
+use rumqttc::{AsyncClient, Event, MqttOptions, QoS, Transport};
+use std::{error::Error, path::PathBuf, time::Duration};
+use tokio::{
+    sync::OnceCell,
+    task,
+    time::{self, sleep},
+};
 
-fn main() {
+pub static MQTT: OnceCell<AsyncClient> = OnceCell::const_new();
+
+#[tokio::main]
+async fn main() {
     tracing_subscriber::fmt::init();
     let args: SheepdArgs = argh::from_env();
 
@@ -13,6 +27,40 @@ fn main() {
     } else {
         log::info!("Starting sheepd");
 
-        // TODO : daemon loop
+        let conf = AgentConfig::try_load();
+        if conf.is_none() {
+            log::error!("No config file at /etc/sheepd/config.toml");
+            std::process::exit(1);
+        }
+
+        let i = if let Some(i) = Identity::try_load(&PathBuf::from("/etc/sheepd")) {
+            i
+        } else {
+            let i = Identity::new();
+            i.save(&PathBuf::from("/etc/sheepd"));
+            i
+        };
+
+        let conf = conf.unwrap();
+        let machine_id = std::fs::read_to_string("/etc/machine-id").unwrap();
+        let machine_id = machine_id.trim();
+
+        log::info!("Connecting to MQTT as {machine_id}");
+
+        let (client, mut eventloop) = api::mqtt_connect(machine_id, &conf.mqtt);
+
+        crate::MQTT.set(client).unwrap();
+
+        log::info!("Connection done");
+
+        log::info!("Start sub for {}", format!("{machine_id}/cmd"));
+        crate::MQTT
+            .get()
+            .unwrap()
+            .subscribe(format!("{machine_id}/cmd"), QoS::AtMostOnce)
+            .await
+            .unwrap();
+
+        api::run_event_loop(eventloop).await;
     }
 }