zettabgp 0.4.1

This is a BGP (parsing and composing) and BMP (only parsing) protocols driver library for Rust
Documentation 
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

// Copyright 2021 Vladimir Melnikov.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

//! BGP "cluster list" path attribute

use crate::message::attributes::*;
#[cfg(feature = "serialization")]
use serde::{Deserialize, Serialize};

/// BGP clustr list path attribute struct
#[derive(Clone, Hash, PartialEq, Eq, PartialOrd, Ord)]
#[cfg(feature = "serialization")]
#[derive(Serialize, Deserialize)]
#[serde(transparent)]
pub struct BgpClusterList {
    pub value: Vec<std::net::IpAddr>,
}
impl BgpClusterList {
    pub fn decode_from(peer: &BgpSessionParams, buf: &[u8]) -> Result<BgpClusterList, BgpError> {
        let mut pos: usize = 0;
        let mut v = Vec::new();
        let itemsize = match peer.peer_mode {
            BgpTransportMode::IPv4 => 4,
            BgpTransportMode::IPv6 => 16,
        };
        while (pos + itemsize) <= buf.len() {
            v.push(decode_addr_from(&buf[pos..(pos + itemsize)])?);
            pos += itemsize;
        }
        Ok(BgpClusterList { value: v })
    }
}
impl std::fmt::Debug for BgpClusterList {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("BgpClusterList")
            .field("value", &self.value)
            .finish()
    }
}
impl std::fmt::Display for BgpClusterList {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        crate::util::fmt_vec(self.value.iter(), ',', f)
    }
}
impl BgpAttr for BgpClusterList {
    fn attr(&self) -> BgpAttrParams {
        BgpAttrParams {
            typecode: 10,
            flags: 0x80,
        }
    }
    fn encode_to(&self, _peer: &BgpSessionParams, buf: &mut [u8]) -> Result<usize, BgpError> {
        let mut pos: usize = 0;
        for i in &self.value {
            pos += encode_addr_to(i, &mut buf[pos..])?;
        }
        Ok(pos)
    }
}