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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71

use crate::protocol::packet::Publish;
use crate::protocol::packet::Subscribe;
use crate::protocol::packet::Unsubscribe;
use crate::protocol::packet::{PubRec, PubRel};
use bytes::{Bytes, BytesMut};
use std::sync::Arc;

pub trait PacketDup {
    fn data(&self) -> Bytes;
    fn dup_data(&mut self) -> Arc<Bytes>;
}

impl PacketDup for Publish {
    fn data(&self) -> Bytes {
        let mut bytes = BytesMut::new();
        self.write(&mut bytes);
        bytes.freeze()
    }

    fn dup_data(&mut self) -> Arc<Bytes> {
        self.dup = true;
        let mut bytes = BytesMut::new();
        self.write(&mut bytes);
        Arc::new(bytes.freeze())
    }
}
impl PacketDup for PubRel {
    fn data(&self) -> Bytes {
        let mut bytes = BytesMut::new();
        self.write(&mut bytes);
        bytes.freeze()
    }

    fn dup_data(&mut self) -> Arc<Bytes> {
        self.data()
    }
}
impl PacketDup for PubRec {
    fn data(&self) -> Bytes {
        let mut bytes = BytesMut::new();
        self.write(&mut bytes);
        bytes.freeze()
    }

    fn dup_data(&mut self) -> Arc<Bytes> {
        self.data()
    }
}

impl PacketDup for Subscribe {
    fn data(&self) -> Bytes {
        let mut bytes = BytesMut::new();
        self.write(&mut bytes);
        bytes.freeze()
    }

    fn dup_data(&mut self) -> Arc<Bytes> {
        Arc::new(self.data())
    }
}
impl PacketDup for Unsubscribe {
    fn data(&self) -> Bytes {
        let mut bytes = BytesMut::new();
        self.write(&mut bytes);
        bytes.freeze()
    }

    fn dup_data(&mut self) -> Arc<Bytes> {
        Arc::new(self.data())
    }
}