sqlx_core/postgres/message/
notification.rs1use bytes::{Buf, Bytes};
2
3use crate::error::Error;
4use crate::io::{BufExt, Decode};
5
6#[derive(Debug)]
7pub struct Notification {
8 pub(crate) process_id: u32,
9 pub(crate) channel: Bytes,
10 pub(crate) payload: Bytes,
11}
12
13impl Decode<'_> for Notification {
14 #[inline]
15 fn decode_with(mut buf: Bytes, _: ()) -> Result<Self, Error> {
16 let process_id = buf.get_u32();
17 let channel = buf.get_bytes_nul()?;
18 let payload = buf.get_bytes_nul()?;
19
20 Ok(Self {
21 process_id,
22 channel,
23 payload,
24 })
25 }
26}
27
28#[test]
29fn test_decode_notification_response() {
30 const NOTIFICATION_RESPONSE: &[u8] = b"\x34\x20\x10\x02TEST-CHANNEL\0THIS IS A TEST\0";
31
32 let message = Notification::decode(Bytes::from(NOTIFICATION_RESPONSE)).unwrap();
33
34 assert_eq!(message.process_id, 0x34201002);
35 assert_eq!(&*message.channel, &b"TEST-CHANNEL"[..]);
36 assert_eq!(&*message.payload, &b"THIS IS A TEST"[..]);
37}