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use super::*;
use tox_binary_io::*;
use crate::dht::{CookieRequest, CookieResponse, CryptoHandshake, CryptoData};
use crate::relay::connection_id::ConnectionId;
#[derive(Debug, PartialEq, Clone)]
pub struct Data {
pub connection_id: ConnectionId,
pub data: DataPayload,
}
impl FromBytes for Data {
named!(from_bytes<Data>, do_parse!(
connection_id: call!(ConnectionId::from_bytes) >>
data: call!(DataPayload::from_bytes) >>
(Data { connection_id, data })
));
}
impl ToBytes for Data {
fn to_bytes<'a>(&self, buf: (&'a mut [u8], usize)) -> Result<(&'a mut [u8], usize), GenError> {
do_gen!(buf,
gen_call!(|buf, connection_id| ConnectionId::to_bytes(connection_id, buf), &self.connection_id) >>
gen_call!(|buf, packet| DataPayload::to_bytes(packet, buf), &self.data)
)
}
}
#[derive(Debug, PartialEq, Clone)]
pub enum DataPayload {
CookieRequest(CookieRequest),
CookieResponse(CookieResponse),
CryptoHandshake(CryptoHandshake),
CryptoData(CryptoData),
}
impl ToBytes for DataPayload {
fn to_bytes<'a>(&self, buf: (&'a mut [u8], usize)) -> Result<(&'a mut [u8], usize), GenError> {
match *self {
DataPayload::CookieRequest(ref p) => p.to_bytes(buf),
DataPayload::CookieResponse(ref p) => p.to_bytes(buf),
DataPayload::CryptoHandshake(ref p) => p.to_bytes(buf),
DataPayload::CryptoData(ref p) => p.to_bytes(buf),
}
}
}
impl FromBytes for DataPayload {
named!(from_bytes<DataPayload>, alt!(
map!(CookieRequest::from_bytes, DataPayload::CookieRequest) |
map!(CookieResponse::from_bytes, DataPayload::CookieResponse) |
map!(CryptoHandshake::from_bytes, DataPayload::CryptoHandshake) |
map!(CryptoData::from_bytes, DataPayload::CryptoData)
));
}
#[cfg(test)]
mod test {
use super::*;
encode_decode_test!(
tox_crypto::crypto_init().unwrap(),
data_encode_decode,
Data {
connection_id: ConnectionId::from_index(1),
data: DataPayload::CryptoData(CryptoData {
nonce_last_bytes: 42,
payload: vec![42; 123],
}),
}
);
}