1#[doc(hidden)]
7extern crate alloc;
8
9use alloc::string::{String, ToString};
11pub fn init_tracing() {
16 let subscriber = tracing_subscriber::fmt()
17 .with_thread_ids(true)
19 .with_thread_names(true)
20 .with_level(true)
21 .with_target(true);
22
23 let subscriber = subscriber.finish();
24 let _ = tracing::subscriber::set_global_default(subscriber);
25}
26#[must_use]
31pub fn selector_from(topic: &str, mut prefix: Option<&String>) -> String {
32 prefix.take().map_or(topic.to_string(), |prefix| {
33 let mut result = String::from(prefix);
34 result.push('/');
35 result.push_str(topic);
36 result
37 })
38}
39
40#[must_use]
42pub fn request_selector_from(selector: &str) -> String {
43 let mut result = String::from(selector);
44 result.push_str("?request");
45 result
46}
47
48#[must_use]
50pub fn cancel_selector_from(selector: &str) -> String {
51 let mut result = String::from(selector);
52 result.push_str("?cancel");
53 result
54}
55
56#[must_use]
58pub fn feedback_selector_from(selector: &str, id: &str) -> String {
59 let mut result = String::from(selector);
60 result.push_str("/feedback/");
61 result.push_str(id);
62 result
63}
64