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use std::io;
use bytes::{BufMut, BytesMut};
use tokio_io::codec::Encoder;
#[derive(Builder, Debug)]
pub struct Message {
id: BytesMut,
body: BytesMut,
timestamp: i64,
attempts: u16,
}
impl Message {
pub fn id(&self) -> BytesMut {
self.id.clone()
}
pub fn body(&self) -> BytesMut {
self.body.clone()
}
}
pub enum MessageReply {
Fin(BytesMut),
Req(BytesMut),
Touch(BytesMut),
Nop,
}
pub trait Handler {
fn handle_message(&self, message: &Message) -> MessageReply;
}
#[derive(Default)]
pub struct NsqResponder;
impl Encoder for NsqResponder {
type Item = MessageReply;
type Error = io::Error;
fn encode(&mut self, item: Self::Item, dst: &mut BytesMut) -> Result<(), Self::Error> {
match item {
MessageReply::Nop => dst.put("NOP\n"),
MessageReply::Fin(id) => {
dst.put("FIN ");
dst.put(id);
dst.put("\n");
}
_ => {}
}
Ok(())
}
}