1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

use async_trait::async_trait;
use serde::de::DeserializeOwned;
use serde::Deserialize;
use serde::Serialize;

#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct Message {
    pub request_id: u64,
    pub msg: Vec<u8>,
}

impl Message {
    pub fn to_bytes(&self) -> Vec<u8> {
        serde_cbor::to_vec(self).unwrap()
    }

    pub fn from_bytes(bytes: &[u8]) -> Self {
        serde_cbor::from_slice(bytes).unwrap()
    }
}

#[async_trait]
pub trait ProtoTrait {
    type Response: ProtoTrait + Send + Serialize + DeserializeOwned;

    async fn dispatch(self) -> Option<Self::Response>
    where
        Self: Sized;

    fn from_bytes(bytes: &[u8]) -> Self
    where
        Self: Sized + DeserializeOwned,
    {
        serde_cbor::from_slice(bytes).unwrap()
    }

    fn to_bytes(&self) -> Vec<u8>
    where
        Self: Sized + Serialize,
    {
        serde_cbor::to_vec(self).unwrap()
    }
}