aldrin_core/message/
unsubscribe_event.rs

1use super::message_ops::Sealed;
2use super::{
3    Message, MessageDeserializeError, MessageKind, MessageOps, MessageSerializeError,
4    MessageSerializer, MessageWithoutValueDeserializer,
5};
6use crate::{SerializedValue, SerializedValueSlice, ServiceCookie};
7use bytes::BytesMut;
8
9#[derive(Debug, Copy, Clone, PartialEq, Eq)]
10#[cfg_attr(feature = "fuzzing", derive(arbitrary::Arbitrary))]
11pub struct UnsubscribeEvent {
12    pub service_cookie: ServiceCookie,
13    pub event: u32,
14}
15
16impl MessageOps for UnsubscribeEvent {
17    fn kind(&self) -> MessageKind {
18        MessageKind::UnsubscribeEvent
19    }
20
21    fn serialize_message(self) -> Result<BytesMut, MessageSerializeError> {
22        let mut serializer = MessageSerializer::without_value(MessageKind::UnsubscribeEvent);
23
24        serializer.put_uuid(self.service_cookie.0);
25        serializer.put_varint_u32_le(self.event);
26
27        serializer.finish()
28    }
29
30    fn deserialize_message(buf: BytesMut) -> Result<Self, MessageDeserializeError> {
31        let mut deserializer =
32            MessageWithoutValueDeserializer::new(buf, MessageKind::UnsubscribeEvent)?;
33
34        let service_cookie = deserializer.try_get_uuid().map(ServiceCookie)?;
35        let event = deserializer.try_get_varint_u32_le()?;
36
37        deserializer.finish()?;
38        Ok(Self {
39            service_cookie,
40            event,
41        })
42    }
43
44    fn value(&self) -> Option<&SerializedValueSlice> {
45        None
46    }
47
48    fn value_mut(&mut self) -> Option<&mut SerializedValue> {
49        None
50    }
51}
52
53impl Sealed for UnsubscribeEvent {}
54
55impl From<UnsubscribeEvent> for Message {
56    fn from(msg: UnsubscribeEvent) -> Self {
57        Self::UnsubscribeEvent(msg)
58    }
59}
60
61#[cfg(test)]
62mod test {
63    use super::super::test::{assert_deserialize_eq, assert_serialize_eq};
64    use super::super::Message;
65    use super::UnsubscribeEvent;
66    use crate::ServiceCookie;
67    use uuid::uuid;
68
69    #[test]
70    fn unsubscribe_event() {
71        let serialized = [
72            22, 0, 0, 0, 15, 0x94, 0x5f, 0xc6, 0xe4, 0xe8, 0x9c, 0x49, 0x61, 0xb7, 0xbc, 0x4e,
73            0x0e, 0x84, 0x80, 0xdf, 0xad, 1,
74        ];
75
76        let msg = UnsubscribeEvent {
77            service_cookie: ServiceCookie(uuid!("945fc6e4-e89c-4961-b7bc-4e0e8480dfad")),
78            event: 1,
79        };
80        assert_serialize_eq(&msg, serialized);
81        assert_deserialize_eq(&msg, serialized);
82
83        let msg = Message::UnsubscribeEvent(msg);
84        assert_serialize_eq(&msg, serialized);
85        assert_deserialize_eq(&msg, serialized);
86    }
87}
aldrin_core/message/unsubscribe_event.rs

aldrin_core/message/
unsubscribe_event.rs
