concurrent_event/
id.rs

1//! Contains the definition of the handler ID which is used for referencing
2//! event handlers after registration.
3
4use rand::Rng;
5
6/// The number of random bytes contained in a handler ID. This should be
7/// sufficiently high to resist random as well as maliciously crafted
8/// collisions.
9pub const HANDLER_ID_BYTES: usize = 32;
10
11/// An ID for an event handler that consists of random bytes. Uniqueness
12/// depends on sufficient randomness in generation.
13#[derive(PartialEq, Eq, Hash, Copy, Clone)]
14pub struct HandlerId {
15    bytes: [u8; HANDLER_ID_BYTES]
16}
17
18impl HandlerId {
19    pub(crate) fn new() -> HandlerId {
20        let mut rng = rand::thread_rng();
21        HandlerId {
22            bytes: rng.gen()
23        }
24    }
25}
concurrent_event/id.rs

concurrent_event/
id.rs
