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|
use std::{
env::ArgsOs, ffi::OsString, process::{self, Command}, str
};
use rumqttc::{Event::Incoming, Packet::Publish, QoS};
use serde_json::Value;
use crate::config::Config;
pub fn main(argv0: &str, config: Config, device_name: &str, mut args: ArgsOs) {
let (Some(action_filter), Some(command)) = (args.next(), args.next()) else {
eprintln!("Usage: {argv0} device <device-name> on-action <action-filter> <command...>");
process::exit(1);
};
let args: Box<[OsString]> = args.collect();
let Ok(action_filter) = action_filter.into_string() else {
eprintln!("{argv0}: error: Invalid action-filter");
process::exit(1);
};
let (client, mut connection) = config.mqtt_client();
let device_topic = format!("zigbee2mqtt/{device_name}");
client.subscribe(&device_topic, QoS::AtLeastOnce).unwrap();
for notification in connection.iter() {
match notification.unwrap() {
Incoming(Publish(p)) => {
if p.topic == device_topic {
let parsed: Value =
serde_json::from_str(str::from_utf8(&p.payload).unwrap()).unwrap();
if parsed["action"] == action_filter {
let mut c = Command::new(&command);
c.args(&args);
let status = c.status().expect("Unable to execute command");
match status.code() {
Some(code) => {
if code != 0 {
eprintln!("command exited with: {code}");
}
}
None => {
eprintln!("command was killed by a signal: {status:?}");
}
}
}
}
}
_ => (),
}
}
}
|
