ghpascon_rust/devices/rfid/r700/
transport.rs

1use std::sync::{Arc, Mutex};
2
3use serde_json::Value;
4
5use crate::utils::dummy_event::dummy_event;
6
7use super::types::{R700Event, R700Tag};
8
9pub type EventHandler = dyn FnMut(&str, &str, Option<Value>) + Send + 'static;
10pub type SharedEventHandler = Arc<Mutex<Box<EventHandler>>>;
11
12pub fn default_event_handler() -> SharedEventHandler {
13    Arc::new(Mutex::new(Box::new(|name, event_type, event_data| {
14        dummy_event(name, event_type, event_data);
15    })))
16}
17
18pub fn event_to_wire(event: &R700Event) -> (&'static str, Option<Value>) {
19    match event {
20        R700Event::Connection(v) => ("connection", Some(Value::Bool(*v))),
21        R700Event::Reading(v) => ("reading", Some(Value::Bool(*v))),
22        R700Event::Tag(tag) => ("tag", Some(tag_to_value(tag))),
23        R700Event::SerialNumber(v) => ("serial_number", Some(Value::String(v.clone()))),
24    }
25}
26
27pub fn dispatch_event(handler: &SharedEventHandler, name: &str, event: &R700Event) {
28    let (event_type, payload) = event_to_wire(event);
29    if let Ok(mut guard) = handler.lock() {
30        (guard)(name, event_type, payload);
31    }
32}
33
34fn tag_to_value(tag: &R700Tag) -> Value {
35    let mut obj = serde_json::Map::new();
36    obj.insert(
37        "epc".to_string(),
38        tag.epc.clone().map(Value::String).unwrap_or(Value::Null),
39    );
40    obj.insert(
41        "tid".to_string(),
42        tag.tid.clone().map(Value::String).unwrap_or(Value::Null),
43    );
44    obj.insert("ant".to_string(), Value::Number(tag.ant.into()));
45    obj.insert("rssi".to_string(), Value::Number(tag.rssi.into()));
46    obj.insert("protected".to_string(), Value::Bool(tag.protected));
47    Value::Object(obj)
48}
ghpascon_rust/devices/rfid/r700/transport.rs

ghpascon_rust/devices/rfid/r700/
transport.rs
