aldrin_core/message/
channel_end_closed.rs

1use super::message_ops::Sealed;
2use super::{
3    Message, MessageDeserializeError, MessageKind, MessageOps, MessageSerializeError,
4    MessageSerializer, MessageWithoutValueDeserializer,
5};
6use crate::{ChannelCookie, ChannelEnd, SerializedValue, SerializedValueSlice};
7use bytes::BytesMut;
8
9#[derive(Debug, Copy, Clone, PartialEq, Eq)]
10#[cfg_attr(feature = "fuzzing", derive(arbitrary::Arbitrary))]
11pub struct ChannelEndClosed {
12    pub cookie: ChannelCookie,
13    pub end: ChannelEnd,
14}
15
16impl MessageOps for ChannelEndClosed {
17    fn kind(&self) -> MessageKind {
18        MessageKind::ChannelEndClosed
19    }
20
21    fn serialize_message(self) -> Result<BytesMut, MessageSerializeError> {
22        let mut serializer = MessageSerializer::without_value(MessageKind::ChannelEndClosed);
23
24        serializer.put_uuid(self.cookie.0);
25        serializer.put_discriminant_u8(self.end);
26
27        serializer.finish()
28    }
29
30    fn deserialize_message(buf: BytesMut) -> Result<Self, MessageDeserializeError> {
31        let mut deserializer =
32            MessageWithoutValueDeserializer::new(buf, MessageKind::ChannelEndClosed)?;
33
34        let cookie = deserializer.try_get_uuid().map(ChannelCookie)?;
35        let end = deserializer.try_get_discriminant_u8()?;
36
37        deserializer.finish()?;
38        Ok(Self { cookie, end })
39    }
40
41    fn value(&self) -> Option<&SerializedValueSlice> {
42        None
43    }
44
45    fn value_mut(&mut self) -> Option<&mut SerializedValue> {
46        None
47    }
48}
49
50impl Sealed for ChannelEndClosed {}
51
52impl From<ChannelEndClosed> for Message {
53    fn from(msg: ChannelEndClosed) -> Self {
54        Self::ChannelEndClosed(msg)
55    }
56}
57
58#[cfg(test)]
59mod test {
60    use super::super::test::{assert_deserialize_eq, assert_serialize_eq};
61    use super::super::Message;
62    use super::ChannelEndClosed;
63    use crate::{ChannelCookie, ChannelEnd};
64    use uuid::uuid;
65
66    #[test]
67    fn sender() {
68        let serialized = [
69            22, 0, 0, 0, 23, 0x89, 0xe6, 0x24, 0x38, 0x29, 0x91, 0x48, 0xf8, 0xae, 0x1d, 0x7a,
70            0xd9, 0xdd, 0xcd, 0x7e, 0x72, 0,
71        ];
72
73        let msg = ChannelEndClosed {
74            cookie: ChannelCookie(uuid!("89e62438-2991-48f8-ae1d-7ad9ddcd7e72")),
75            end: ChannelEnd::Sender,
76        };
77        assert_serialize_eq(&msg, serialized);
78        assert_deserialize_eq(&msg, serialized);
79
80        let msg = Message::ChannelEndClosed(msg);
81        assert_serialize_eq(&msg, serialized);
82        assert_deserialize_eq(&msg, serialized);
83    }
84
85    #[test]
86    fn receiver() {
87        let serialized = [
88            22, 0, 0, 0, 23, 0x89, 0xe6, 0x24, 0x38, 0x29, 0x91, 0x48, 0xf8, 0xae, 0x1d, 0x7a,
89            0xd9, 0xdd, 0xcd, 0x7e, 0x72, 1,
90        ];
91
92        let msg = ChannelEndClosed {
93            cookie: ChannelCookie(uuid!("89e62438-2991-48f8-ae1d-7ad9ddcd7e72")),
94            end: ChannelEnd::Receiver,
95        };
96        assert_serialize_eq(&msg, serialized);
97        assert_deserialize_eq(&msg, serialized);
98
99        let msg = Message::ChannelEndClosed(msg);
100        assert_serialize_eq(&msg, serialized);
101        assert_deserialize_eq(&msg, serialized);
102    }
103}