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
|
use std::error::Error;
use std::fmt;
use super::super::types::Endpoint;
pub trait Opaque: Send + Sync + 'static {}
impl<T> Opaque for T where T: Send + Sync + 'static {}
/// A send/recv callback takes 3 arguments:
///
/// * `0`, a reference to the opaque value assigned to the peer
/// * `1`, a bool indicating whether the message contained data (not just keepalive)
/// * `2`, a bool indicating whether the message was transmitted (i.e. did the peer have an associated endpoint?)
pub trait Callback<T>: Fn(&T, usize, bool, bool) -> () + Sync + Send + 'static {}
impl<T, F> Callback<T> for F where F: Fn(&T, usize, bool, bool) -> () + Sync + Send + 'static {}
/// A key callback takes 1 argument
///
/// * `0`, a reference to the opaque value assigned to the peer
pub trait KeyCallback<T>: Fn(&T) -> () + Sync + Send + 'static {}
impl<T, F> KeyCallback<T> for F where F: Fn(&T) -> () + Sync + Send + 'static {}
pub trait Callbacks: Send + Sync + 'static {
type Opaque: Opaque;
fn send(opaque: &Self::Opaque, size: usize, data: bool, sent: bool);
fn recv(opaque: &Self::Opaque, size: usize, data: bool, sent: bool);
fn need_key(opaque: &Self::Opaque);
fn key_confirmed(opaque: &Self::Opaque);
}
#[derive(Debug)]
pub enum RouterError {
NoCryptKeyRoute,
MalformedIPHeader,
MalformedTransportMessage,
UnknownReceiverId,
NoEndpoint,
SendError,
}
impl fmt::Display for RouterError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
RouterError::NoCryptKeyRoute => write!(f, "No cryptkey route configured for subnet"),
RouterError::MalformedIPHeader => write!(f, "IP header is malformed"),
RouterError::MalformedTransportMessage => write!(f, "IP header is malformed"),
RouterError::UnknownReceiverId => {
write!(f, "No decryption state associated with receiver id")
}
RouterError::NoEndpoint => write!(f, "No endpoint for peer"),
RouterError::SendError => write!(f, "Failed to send packet on bind"),
}
}
}
impl Error for RouterError {
fn description(&self) -> &str {
"Generic Handshake Error"
}
fn source(&self) -> Option<&(dyn Error + 'static)> {
None
}
}
|
