Publish name, too. Prepared polling intervall

src/main.rs

@@ -13,6 +13,9 @@ struct Args {
 
     #[arg(default_value_t = 1883)]
     port: u16,
+    #[arg(default_value_t = 30000)]
+    interval: u32,
+    
 }
 
 #[tokio::main]
@@ -26,13 +29,10 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     );
     mqttoptions.set_keep_alive(Duration::from_secs(30));
 
-    let (client, mut eventloop) = AsyncClient::new(mqttoptions, 100);
+    let (client, mut eventloop) = AsyncClient::new(mqttoptions, args.interval as usize);
 
-    client
-        .publish("test/topic", QoS::AtLeastOnce, false, b"Hello from Rust MQTT!")
-        .await?;
 
-    println!("Published message to test/topic");
+    loop {
 
         let departure_data = tokio::task::spawn_blocking(|| straba::fetch_data(Some(true)))
             .await
@@ -54,8 +54,6 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
                 println!("{}", outbound_msg);
                 println!("{}", inbound_msg);
             }
-
-    loop {
         match eventloop.poll().await {
             Ok(Event::Incoming(Packet::Publish(_))) => {}
             Ok(Event::Incoming(Packet::ConnAck(_))) => {
@@ -63,6 +61,9 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
             }
             Ok(_) => {
 
+                client
+                    .publish("departure/station", QoS::AtLeastOnce, false, departure_data.station_name.as_bytes())
+                    .await?;
                 client
                     .publish("departure/outbound/station", QoS::AtLeastOnce, false, departure_data.outbound_station.as_bytes())
                     .await?;

src/straba.rs

@@ -3,7 +3,7 @@ use std::time::{SystemTime, UNIX_EPOCH};
 
 use serde::Deserialize;
 
-const STATION_URL:&str = "https://www.rnv-online.de/rest/departure/2494";
+const STATION_URL: &str = "https://www.rnv-online.de/rest/departure/2494";
 
 /* ******************** JSON Description ****************************** */
 #[derive(Default, Debug, Clone, PartialEq, Deserialize)]
@@ -71,6 +71,7 @@ pub struct IsoStringDateTime {
 // Return value
 pub struct NextDeparture {
     pub request_time: i64,
+    pub station_name: String,
     pub outbound_station: String,
     pub outbound_diff: i64,
     pub inbound_station: String,
@@ -78,20 +79,20 @@ pub struct NextDeparture {
     pub failure: bool,
 }
 
-pub fn fetch_data(debug_print : Option<bool>) -> NextDeparture {
-
+pub fn fetch_data(debug_print: Option<bool>) -> NextDeparture {
     let st_now = SystemTime::now();
     let seconds = st_now.duration_since(UNIX_EPOCH).unwrap().as_secs();
     let url = &format!("{}?datetime={}", STATION_URL, seconds);
     let result = reqwest::blocking::get(url);
 
     let mut return_value = NextDeparture {
-        failure  : false,
-        outbound_station  : String::from(""),
-        outbound_diff : 10000,
-        inbound_station : String::from(""),
-        inbound_diff : 10000,
-        request_time : seconds as i64,
+        failure: false,
+        outbound_station: String::from(""),
+        outbound_diff: 10000,
+        inbound_station: String::from(""),
+        inbound_diff: 10000,
+        request_time: seconds as i64,
+        station_name: String::from(""),
     };
 
     if result.is_err() {
@@ -120,20 +121,23 @@ pub fn fetch_data(debug_print : Option<bool>) -> NextDeparture {
 
     // parse JSON result.. search of both directions
     let json = body.unwrap();
+    return_value.station_name = json.graph_ql.response.name.clone();
     for el in json.graph_ql.response.journeys.elements {
         if debug_print.is_some() && debug_print.unwrap() == true {
             println!("Line {:}", el.line.line_group.label);
         }
         for stop in el.stops {
             // use only valid data
-            if stop.realtime_departure.iso_string.is_some() && 
-                stop.destination_label != "" {
+            if stop.realtime_departure.iso_string.is_some() && stop.destination_label != "" {
                 let txt_departure = stop.realtime_departure.iso_string.unwrap();
                 let next_departure = DateTime::parse_from_rfc3339(&txt_departure).unwrap();
 
                 let diff = next_departure.timestamp() - (seconds as i64);
                 if debug_print.is_some() && debug_print.unwrap() == true {
-                    println!("To      {:} {:} (in {:} seconds)", stop.destination_label, txt_departure, diff );
+                    println!(
+                        "To      {:} {:} (in {:} seconds)",
+                        stop.destination_label, txt_departure, diff
+                    );
                 }
 
                 if stop.destination_label.contains("Rheinau") {
@@ -141,16 +145,20 @@ pub fn fetch_data(debug_print : Option<bool>) -> NextDeparture {
                         return_value.outbound_station = stop.destination_label;
                         return_value.outbound_diff = diff;
                     }
-                } else if stop.destination_label.contains("Hochschule") ||
-                            stop.destination_label.contains("Hauptbahnhof") ||
-                            stop.destination_label.contains("Schönau") {
+                } else if stop.destination_label.contains("Hochschule")
+                    || stop.destination_label.contains("Hauptbahnhof")
+                    || stop.destination_label.contains("Schönau")
+                {
                     if diff < return_value.inbound_diff {
                         return_value.inbound_station = stop.destination_label;
                         return_value.inbound_diff = diff;
                     }
                 }
             } else {
-                println!("Planned {:} {:?}", stop.destination_label, stop.planned_departure.iso_string)
+                println!(
+                    "Planned {:} {:?}",
+                    stop.destination_label, stop.planned_departure.iso_string
+                )
             }
         }
     }