aldrin_core/message/
emit_event.rs

1use super::message_ops::Sealed;
2use super::{
3    Message, MessageDeserializeError, MessageKind, MessageOps, MessageSerializeError,
4    MessageSerializer, MessageWithValueDeserializer,
5};
6use crate::{SerializedValue, SerializedValueSlice, ServiceCookie};
7use bytes::BytesMut;
8
9#[derive(Debug, Clone, PartialEq, Eq)]
10#[cfg_attr(feature = "fuzzing", derive(arbitrary::Arbitrary))]
11pub struct EmitEvent {
12    pub service_cookie: ServiceCookie,
13    pub event: u32,
14    pub value: SerializedValue,
15}
16
17impl MessageOps for EmitEvent {
18    fn kind(&self) -> MessageKind {
19        MessageKind::EmitEvent
20    }
21
22    fn serialize_message(self) -> Result<BytesMut, MessageSerializeError> {
23        let mut serializer = MessageSerializer::with_value(self.value, MessageKind::EmitEvent)?;
24
25        serializer.put_uuid(self.service_cookie.0);
26        serializer.put_varint_u32_le(self.event);
27
28        serializer.finish()
29    }
30
31    fn deserialize_message(buf: BytesMut) -> Result<Self, MessageDeserializeError> {
32        let mut deserializer = MessageWithValueDeserializer::new(buf, MessageKind::EmitEvent)?;
33
34        let service_cookie = deserializer.try_get_uuid().map(ServiceCookie)?;
35        let event = deserializer.try_get_varint_u32_le()?;
36        let value = deserializer.finish()?;
37
38        Ok(Self {
39            service_cookie,
40            event,
41            value,
42        })
43    }
44
45    fn value(&self) -> Option<&SerializedValueSlice> {
46        Some(&self.value)
47    }
48
49    fn value_mut(&mut self) -> Option<&mut SerializedValue> {
50        Some(&mut self.value)
51    }
52}
53
54impl Sealed for EmitEvent {}
55
56impl From<EmitEvent> for Message {
57    fn from(msg: EmitEvent) -> Self {
58        Self::EmitEvent(msg)
59    }
60}
61
62#[cfg(test)]
63mod test {
64    use super::super::test::{assert_deserialize_eq_with_value, assert_serialize_eq};
65    use super::super::Message;
66    use super::EmitEvent;
67    use crate::{tags, SerializedValue, ServiceCookie};
68    use uuid::uuid;
69
70    #[test]
71    fn emit_event() {
72        let serialized = [
73            28, 0, 0, 0, 16, 2, 0, 0, 0, 3, 4, 0x02, 0x6c, 0x31, 0x42, 0x53, 0x0b, 0x4d, 0x65,
74            0x85, 0x0d, 0xa2, 0x97, 0xdc, 0xc2, 0xfe, 0xcb, 1,
75        ];
76        let value = 4u8;
77
78        let msg = EmitEvent {
79            service_cookie: ServiceCookie(uuid!("026c3142-530b-4d65-850d-a297dcc2fecb")),
80            event: 1,
81            value: SerializedValue::serialize(value).unwrap(),
82        };
83
84        assert_serialize_eq(&msg, serialized);
85        assert_deserialize_eq_with_value::<_, _, tags::U8, _>(&msg, serialized, &value);
86
87        let msg = Message::EmitEvent(msg);
88        assert_serialize_eq(&msg, serialized);
89        assert_deserialize_eq_with_value::<_, _, tags::U8, _>(&msg, serialized, &value);
90    }
91}
aldrin_core/message/emit_event.rs

aldrin_core/message/
emit_event.rs
