aldrin_core/message/
subscribe_service.rs

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

aldrin_core/message/
subscribe_service.rs
