risotto-lib 0.4.0

High performance BMP collector
Documentation 
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use bgpkit_parser::bmp::messages::{
    PeerDownNotification, PeerDownReason, PeerUpNotification, RouteMonitoring,
};
use bgpkit_parser::models::{
    Asn, Attributes, BgpMessage, BgpOpenMessage, BgpUpdateMessage, NetworkPrefix,
};
use chrono::DateTime;
use std::net::{IpAddr, Ipv4Addr, SocketAddr};
use std::str::FromStr;
use tokio::sync::mpsc::channel;

use risotto_lib::processor::{peer_down_notification, peer_up_notification, route_monitoring};
use risotto_lib::state::new_state;
use risotto_lib::state_store::memory::MemoryStore;
use risotto_lib::update::{Update, UpdateMetadata};

fn default_open_message() -> BgpOpenMessage {
    BgpOpenMessage {
        version: 0,
        asn: Asn::from(0),
        hold_time: 0,
        sender_ip: Ipv4Addr::from_str("0.0.0.0").unwrap(),
        extended_length: false,
        opt_params: vec![],
    }
}

#[tokio::test]
async fn test_peer_up_notification() {
    let (tx, mut rx) = channel(100);
    let store = MemoryStore::new();
    let state = new_state(store);

    let metadata = UpdateMetadata {
        time_bmp_header_ns: 0,
        router_socket: SocketAddr::from_str("192.0.1.0:179").unwrap(),
        peer_addr: IpAddr::from_str("192.0.2.0").unwrap(),
        peer_bgp_id: Ipv4Addr::from_str("192.0.2.0").unwrap(),
        peer_asn: 65000,
        is_post_policy: false,
        is_adj_rib_out: false,
    };

    let body = PeerUpNotification {
        local_addr: IpAddr::from_str("192.0.2.0").unwrap(),
        local_port: 10000,
        remote_port: 10001,
        sent_open: BgpMessage::Open(default_open_message()),
        received_open: BgpMessage::Open(default_open_message()),
        tlvs: vec![],
    };

    peer_up_notification(Some(state), tx, metadata, body)
        .await
        .unwrap();

    assert!(rx.try_recv().is_err());
}

#[tokio::test]
async fn test_route_monitoring() {
    let mut tests = vec![];
    tests.push((
        UpdateMetadata {
            time_bmp_header_ns: 0,
            router_socket: SocketAddr::from_str("192.0.1.0:179").unwrap(),
            peer_addr: IpAddr::from_str("192.0.2.0").unwrap(),
            peer_bgp_id: Ipv4Addr::from_str("192.0.2.0").unwrap(),
            peer_asn: 65000,
            is_post_policy: false,
            is_adj_rib_out: false,
        },
        RouteMonitoring {
            bgp_message: BgpMessage::Update(BgpUpdateMessage {
                announced_prefixes: vec![
                    (NetworkPrefix {
                        prefix: "10.0.1.0/24".parse().unwrap(),
                        path_id: 0,
                    }),
                ],
                withdrawn_prefixes: vec![],
                attributes: Attributes::default(),
            }),
        },
        vec![Update {
            time_received_ns: DateTime::from_timestamp(0, 0).unwrap(),
            time_bmp_header_ns: DateTime::from_timestamp(0, 0).unwrap(),
            router_addr: IpAddr::from_str("::ffff:192.0.1.0").unwrap(),
            router_port: 179,
            peer_addr: IpAddr::from_str("::ffff:192.0.2.0").unwrap(),
            peer_bgp_id: Ipv4Addr::from_str("192.0.2.0").unwrap(),
            peer_asn: 65000,
            prefix_addr: IpAddr::from_str("::ffff:10.0.1.0").unwrap(),
            prefix_len: 24,
            is_post_policy: false,
            is_adj_rib_out: false,
            announced: true,
            next_hop: None,
            origin: "INCOMPLETE".to_string(),
            path: vec![],
            local_preference: None,
            med: None,
            communities: vec![],
            synthetic: false,
        }],
    ));

    for (metadata, body, expects) in tests {
        let (tx, mut rx) = channel(100);
        let store = MemoryStore::new();
        let state = new_state(store);

        route_monitoring(Some(state), tx, metadata, body)
            .await
            .unwrap();

        for expect in expects.iter() {
            let mut update = rx.recv().await.unwrap();
            update.time_received_ns = expect.time_received_ns;
            assert_eq!(update, expect.clone());
        }
    }
}

#[tokio::test]
async fn test_peer_down_notification() {
    let (tx, mut rx) = channel(100);
    let store = MemoryStore::new();
    let state = new_state(store);

    let metadata = UpdateMetadata {
        time_bmp_header_ns: 0,
        router_socket: SocketAddr::from_str("192.0.1.0:179").unwrap(),
        peer_addr: IpAddr::from_str("192.0.2.0").unwrap(),
        peer_bgp_id: Ipv4Addr::from_str("192.0.2.0").unwrap(),
        peer_asn: 65000,
        is_post_policy: false,
        is_adj_rib_out: false,
    };

    let body = PeerDownNotification {
        reason: PeerDownReason::PeerDeConfigured,
        data: None,
    };

    peer_down_notification(Some(state), tx, metadata, body)
        .await
        .unwrap();

    assert!(rx.try_recv().is_err());
}