Ollo/MqttRnvPublisher
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Publish name, too. Prepared polling intervall

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This commit is contained in:
Ollo
2026-02-28 20:39:09 +01:00
parent 12c7a05b91
commit cdf92bb56d
2 changed files with 75 additions and 66 deletions
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79
src/main.rs
View File

@@ -13,6 +13,9 @@ struct Args {
#[arg(default_value_t = 1883)]
port: u16,
#[arg(default_value_t = 30000)]
interval: u32,
}
#[tokio::main]
@@ -26,36 +29,31 @@ 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");
let departure_data = tokio::task::spawn_blocking(|| straba::fetch_data(Some(true)))
.await
.unwrap();
if departure_data.failure {
client
.publish("departure/failure", QoS::AtLeastOnce, false, b"Failed to fetch departure data")
.await?;
} else {
let outbound_msg = format!(
"Outbound: {} in {} seconds",
departure_data.outbound_station, departure_data.outbound_diff
);
let inbound_msg = format!(
"Inbound: {} in {} seconds",
departure_data.inbound_station, departure_data.inbound_diff
);
println!("{}", outbound_msg);
println!("{}", inbound_msg);
}
loop {
let departure_data = tokio::task::spawn_blocking(|| straba::fetch_data(Some(true)))
.await
.unwrap();
if departure_data.failure {
client
.publish("departure/failure", QoS::AtLeastOnce, false, b"Failed to fetch departure data")
.await?;
} else {
let outbound_msg = format!(
"Outbound: {} in {} seconds",
departure_data.outbound_station, departure_data.outbound_diff
);
let inbound_msg = format!(
"Inbound: {} in {} seconds",
departure_data.inbound_station, departure_data.inbound_diff
);
println!("{}", outbound_msg);
println!("{}", inbound_msg);
}
match eventloop.poll().await {
Ok(Event::Incoming(Packet::Publish(_))) => {}
Ok(Event::Incoming(Packet::ConnAck(_))) => {
@@ -63,19 +61,22 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
}
Ok(_) => {
client
.publish("departure/outbound/station", QoS::AtLeastOnce, false, departure_data.outbound_station.as_bytes())
.await?;
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?;
client
.publish("departure/outbound/diff", QoS::AtLeastOnce, false, format!("{}", departure_data.outbound_diff))
.await?;
client
.publish("departure/inbound/station", QoS::AtLeastOnce, false, departure_data.inbound_station.as_bytes())
.await?;
client
.publish("departure/inbound/diff", QoS::AtLeastOnce, false, format!("{}", departure_data.inbound_diff))
.await?;
client
.publish("departure/outbound/diff", QoS::AtLeastOnce, false, format!("{}", departure_data.outbound_diff))
.await?;
client
.publish("departure/inbound/station", QoS::AtLeastOnce, false, departure_data.inbound_station.as_bytes())
.await?;
client
.publish("departure/inbound/diff", QoS::AtLeastOnce, false, format!("{}", departure_data.inbound_diff))
.await?;
}
Err(e) => {

52
src/straba.rs
View File

@@ -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)]
@@ -57,9 +57,9 @@ pub struct Journey {
#[derive(Default, Debug, Clone, PartialEq, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct StopsElement {
pub destination_label: String,
pub planned_departure: IsoStringDateTime,
pub realtime_departure: IsoStringDateTime,
pub destination_label: String,
pub planned_departure: IsoStringDateTime,
pub realtime_departure: IsoStringDateTime,
}
#[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() {
@@ -120,37 +121,44 @@ 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);
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") {
if diff < return_value.outbound_diff {
if diff < return_value.outbound_diff {
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") {
if diff < return_value.inbound_diff {
} 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
)
}
}
}