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use crate::error::Result;
use serde::de::DeserializeOwned;
use serde::{Deserialize, Serialize};
use tokio::io::{AsyncRead, AsyncReadExt};
#[derive(Serialize, Deserialize)]
pub struct Event {
name: String,
data: Vec<u8>,
}
impl Event {
pub fn new(name: String, data: Vec<u8>) -> Self {
Self { name, data }
}
pub fn data<T: DeserializeOwned>(&self) -> Result<T> {
let data = rmp_serde::from_read(&self.data[..])?;
Ok(data)
}
pub fn data_raw(&self) -> &[u8] {
&self.data
}
pub fn name(&self) -> &str {
&self.name
}
pub async fn from_async_read<R: AsyncRead + Unpin>(reader: &mut R) -> Result<Self> {
let length = reader.read_u32().await?;
let mut data = vec![0u8; length as usize];
reader.read_exact(&mut data).await?;
let event = rmp_serde::from_read(&data[..])?;
Ok(event)
}
pub fn to_bytes(&self) -> Result<Vec<u8>> {
let mut event_bytes = rmp_serde::to_vec(&self)?;
let mut length_bytes = (event_bytes.len() as u32).to_be_bytes().to_vec();
length_bytes.reverse();
for byte in length_bytes {
event_bytes.insert(0, byte);
}
Ok(event_bytes)
}
}