aldrin_core/message/
create_service.rs

1use super::message_ops::Sealed;
2use super::{Message, MessageKind, MessageOps};
3use crate::ids::{ObjectCookie, ServiceUuid};
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 CreateService {
12    pub serial: u32,
13    pub object_cookie: ObjectCookie,
14    pub uuid: ServiceUuid,
15    pub version: u32,
16}
17
18impl MessageOps for CreateService {
19    fn kind(&self) -> MessageKind {
20        MessageKind::CreateService
21    }
22
23    fn serialize_message(self) -> Result<BytesMut, MessageSerializeError> {
24        let mut serializer = MessageSerializer::without_value(MessageKind::CreateService);
25
26        serializer.put_varint_u32_le(self.serial);
27        serializer.put_uuid(self.object_cookie.0);
28        serializer.put_uuid(self.uuid.0);
29        serializer.put_varint_u32_le(self.version);
30
31        serializer.finish()
32    }
33
34    fn deserialize_message(buf: BytesMut) -> Result<Self, MessageDeserializeError> {
35        let mut deserializer =
36            MessageWithoutValueDeserializer::new(buf, MessageKind::CreateService)?;
37
38        let serial = deserializer.try_get_varint_u32_le()?;
39        let object_cookie = deserializer.try_get_uuid().map(ObjectCookie)?;
40        let uuid = deserializer.try_get_uuid().map(ServiceUuid)?;
41        let version = deserializer.try_get_varint_u32_le()?;
42
43        deserializer.finish()?;
44        Ok(Self {
45            serial,
46            object_cookie,
47            uuid,
48            version,
49        })
50    }
51
52    fn value(&self) -> Option<&SerializedValueSlice> {
53        None
54    }
55}
56
57impl Sealed for CreateService {}
58
59impl From<CreateService> for Message {
60    fn from(msg: CreateService) -> Self {
61        Self::CreateService(msg)
62    }
63}
64
65#[cfg(test)]
66mod test {
67    use super::super::test::{assert_deserialize_eq, assert_serialize_eq};
68    use super::super::Message;
69    use super::CreateService;
70    use crate::ids::{ObjectCookie, ServiceUuid};
71    use uuid::uuid;
72
73    #[test]
74    fn create_service() {
75        let serialized = [
76            39, 0, 0, 0, 7, 1, 0xb7, 0xc3, 0xbe, 0x13, 0x53, 0x77, 0x46, 0x6e, 0xb4, 0xbf, 0x37,
77            0x38, 0x76, 0x52, 0x3d, 0x1b, 0xd3, 0xef, 0xd0, 0x0b, 0x7a, 0x7b, 0x4b, 0xf7, 0xbd,
78            0xd3, 0x3c, 0x66, 0x32, 0x47, 0x33, 0x47, 2,
79        ];
80
81        let msg = CreateService {
82            serial: 1,
83            object_cookie: ObjectCookie(uuid!("b7c3be13-5377-466e-b4bf-373876523d1b")),
84            uuid: ServiceUuid(uuid!("d3efd00b-7a7b-4bf7-bdd3-3c6632473347")),
85            version: 2,
86        };
87        assert_serialize_eq(&msg, serialized);
88        assert_deserialize_eq(&msg, serialized);
89
90        let msg = Message::CreateService(msg);
91        assert_serialize_eq(&msg, serialized);
92        assert_deserialize_eq(&msg, serialized);
93    }
94}