aldrin_core/message/
close_channel_end.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 CloseChannelEnd {
12    pub serial: u32,
13    pub cookie: ChannelCookie,
14    pub end: ChannelEnd,
15}
16
17impl MessageOps for CloseChannelEnd {
18    fn kind(&self) -> MessageKind {
19        MessageKind::CloseChannelEnd
20    }
21
22    fn serialize_message(self) -> Result<BytesMut, MessageSerializeError> {
23        let mut serializer = MessageSerializer::without_value(MessageKind::CloseChannelEnd);
24
25        serializer.put_varint_u32_le(self.serial);
26        serializer.put_uuid(self.cookie.0);
27        serializer.put_discriminant_u8(self.end);
28
29        serializer.finish()
30    }
31
32    fn deserialize_message(buf: BytesMut) -> Result<Self, MessageDeserializeError> {
33        let mut deserializer =
34            MessageWithoutValueDeserializer::new(buf, MessageKind::CloseChannelEnd)?;
35
36        let serial = deserializer.try_get_varint_u32_le()?;
37        let cookie = deserializer.try_get_uuid().map(ChannelCookie)?;
38        let end = deserializer.try_get_discriminant_u8()?;
39
40        deserializer.finish()?;
41        Ok(Self {
42            serial,
43            cookie,
44            end,
45        })
46    }
47
48    fn value(&self) -> Option<&SerializedValueSlice> {
49        None
50    }
51
52    fn value_mut(&mut self) -> Option<&mut SerializedValue> {
53        None
54    }
55}
56
57impl Sealed for CloseChannelEnd {}
58
59impl From<CloseChannelEnd> for Message {
60    fn from(msg: CloseChannelEnd) -> Self {
61        Self::CloseChannelEnd(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::CloseChannelEnd;
70    use crate::{ChannelCookie, ChannelEnd};
71    use uuid::uuid;
72
73    #[test]
74    fn sender() {
75        let serialized = [
76            23, 0, 0, 0, 21, 1, 0xde, 0xcf, 0x4b, 0x2f, 0x56, 0x2c, 0x4c, 0x1b, 0xb8, 0x84, 0x61,
77            0x47, 0xe3, 0xde, 0x76, 0xc0, 0,
78        ];
79
80        let msg = CloseChannelEnd {
81            serial: 1,
82            cookie: ChannelCookie(uuid!("decf4b2f-562c-4c1b-b884-6147e3de76c0")),
83            end: ChannelEnd::Sender,
84        };
85        assert_serialize_eq(&msg, serialized);
86        assert_deserialize_eq(&msg, serialized);
87
88        let msg = Message::CloseChannelEnd(msg);
89        assert_serialize_eq(&msg, serialized);
90        assert_deserialize_eq(&msg, serialized);
91    }
92
93    #[test]
94    fn receiver() {
95        let serialized = [
96            23, 0, 0, 0, 21, 1, 0xde, 0xcf, 0x4b, 0x2f, 0x56, 0x2c, 0x4c, 0x1b, 0xb8, 0x84, 0x61,
97            0x47, 0xe3, 0xde, 0x76, 0xc0, 1,
98        ];
99
100        let msg = CloseChannelEnd {
101            serial: 1,
102            cookie: ChannelCookie(uuid!("decf4b2f-562c-4c1b-b884-6147e3de76c0")),
103            end: ChannelEnd::Receiver,
104        };
105        assert_serialize_eq(&msg, serialized);
106        assert_deserialize_eq(&msg, serialized);
107
108        let msg = Message::CloseChannelEnd(msg);
109        assert_serialize_eq(&msg, serialized);
110        assert_deserialize_eq(&msg, serialized);
111    }
112}
aldrin_core/message/close_channel_end.rs

aldrin_core/message/
close_channel_end.rs
