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use super::*;
use channel_protocol::ChannelMessage;
use error::ProtocolError;
use serde_cbor::ser;
pub fn from_cbor(message: &ChannelMessage) -> Result<Message, ProtocolError> {
let code = *(match message.payload.get(0) {
Some(Value::U64(data)) => data,
_ => {
return Err(ProtocolError::MessageParseError {
err: "No exit code found".to_owned(),
})
}
}) as u32;
let signal = *(match message.payload.get(1) {
Some(Value::U64(data)) => data,
_ => {
return Err(ProtocolError::MessageParseError {
err: "No exit signal found".to_owned(),
})
}
}) as u32;
Ok(Message::Exit {
channel_id: message.channel_id,
code: code,
signal: signal,
})
}
pub fn to_cbor(channel_id: u32, code: u32, signal: u32) -> Result<Vec<u8>, ProtocolError> {
info!("-> {{ {}, exit, {}, {} }}", channel_id, code, signal);
Ok(
ser::to_vec_packed(&(channel_id, "exit", code, signal)).map_err(|err| {
ProtocolError::MessageCreationError {
message: "exit".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 code = 0;
let signal = 9;
let raw = to_cbor(channel_id, code, signal).unwrap();
let parsed = channel_protocol::parse_message(de::from_slice(&raw).unwrap()).unwrap();
let msg = parse_message(parsed);
assert_eq!(
msg.unwrap(),
Message::Exit {
channel_id: channel_id,
code: code,
signal: signal
}
);
}
}