1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
use super::*;
use crate::error::ProtocolError;
use channel_protocol::ChannelMessage;
use log::info;
use serde_cbor::ser;
pub fn from_cbor(message: &ChannelMessage) -> Result<Message, ProtocolError> {
let signal: Option<u32> = message
.payload
.get(0)
.and_then(|v| v.as_u64())
.map(|n| n as u32);
Ok(Message::Kill {
channel_id: message.channel_id,
signal,
})
}
pub fn to_cbor(channel_id: u32, signal: Option<u32>) -> Result<Vec<u8>, ProtocolError> {
info!("-> {{ {}, kill, {:?} }}", channel_id, signal);
Ok(
ser::to_vec_packed(&(channel_id, "kill", signal)).map_err(|err| {
ProtocolError::MessageCreationError {
message: "kill".to_owned(),
err,
}
})?,
)
}
#[cfg(test)]
mod tests {
use super::*;
use channel_protocol;
use serde_cbor::de;
#[test]
fn create_parse_message() {
let channel_id = 13;
let signal = 9;
let raw = to_cbor(channel_id, Some(signal)).unwrap();
let parsed = channel_protocol::parse_message(de::from_slice(&raw).unwrap()).unwrap();
let msg = parse_message(&parsed);
assert_eq!(
msg.unwrap(),
Message::Kill {
channel_id: channel_id,
signal: Some(signal)
}
);
}
#[test]
fn create_parse_message_no_signal() {
let channel_id = 22;
let raw = to_cbor(channel_id, None).unwrap();
let parsed = channel_protocol::parse_message(de::from_slice(&raw).unwrap()).unwrap();
let msg = parse_message(&parsed);
assert_eq!(
msg.unwrap(),
Message::Kill {
channel_id: channel_id,
signal: None
}
);
}
}