Refactor Mqtt Sync client (#5)

Co-authored-by: Felipe Diniello <felipediniello@pm.me>
Reviewed-on: #5

simulation-tools/src/nav_dev/main.rs

@@ -3,7 +3,7 @@ use std::{thread, time};
 
 mod error_report;
 
-use kairo_common::mqtt::for_sync::{get_mqtt_cli, mqtt_pub};
+use kairo_common::mqtt::for_sync::MqttClient;
 use kairo_common::{Antenna, BeaconMeasure, DeviceReport, Point};
 
 #[derive(Clone)]
@@ -29,7 +29,7 @@ async fn main() {
     //     });
     // }
 
-    let client = get_mqtt_cli();
+    let client = MqttClient::new(None);
 
     let mut position = Point::new(config.radius, 0.0);
 
@@ -57,7 +57,9 @@ async fn main() {
                 .push(BeaconMeasure::new(&config.id, &ant.id, rssi + noise));
         }
         let payload = serde_json::to_string(&report).unwrap_or_else(|_| "".to_string());
-        mqtt_pub(&client, topic.as_str(), payload.as_str()).expect("Pub error");
+        client
+            .publish(topic.as_str(), Some(payload.as_str()))
+            .expect("Pub error");
 
         // if config.real {
         //     let _r = KnownPosition::new(position).write_for("real").await;