bgpexplorer 0.2.0

This is a BGP route explorer for routing information database with ability to drill-down routes change history
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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167

extern crate async_trait;
extern crate futures;
extern crate futures_util;
extern crate hyper;
extern crate tokio;
#[macro_use]
extern crate lazy_static;
#[macro_use]
extern crate ini;
extern crate url;

use hyper::service::{make_service_fn, service_fn};
use hyper::{Body, Method, Request, Response, Server, StatusCode};

use tokio::fs::File;
use tokio::*;
use tokio_util::codec::{BytesCodec, FramedRead};

mod bgppeer;
mod bgprib;
mod bmppeer;
mod service;
use service::*;
mod bgpsvc;
use bgpsvc::*;
mod whoissvc;
use whoissvc::*;
mod config;
use config::*;
mod ribfilter;
mod ribservice;
mod tojson;

use std::sync::Arc;

static NOTFOUND: &[u8] = b"Not Found";
/// HTTP status code 404
fn not_found() -> Response<Body> {
    Response::builder()
        .status(StatusCode::NOT_FOUND)
        .body(NOTFOUND.into())
        .unwrap()
}

async fn simple_file_send(filename: &str) -> Result<Response<Body>, hyper::Error> {
    if let Ok(file) = File::open(filename).await {
        let stream = FramedRead::new(file, BytesCodec::new());
        let body = Body::wrap_stream(stream);
        return Ok(Response::new(body));
    }
    Ok(not_found())
}

pub struct Svc {
    pub httproot: Arc<String>,
    pub bgp: Option<Arc<BgpSvr>>,
    pub whois: Arc<WhoisSvr>,
}
impl Clone for Svc {
    fn clone(&self) -> Svc {
        Svc {
            httproot: self.httproot.clone(),
            bgp: self.bgp.clone(),
            whois: self.whois.clone(),
        }
    }
}
impl Svc {
    pub fn new(http_root: Arc<String>, b: Arc<BgpSvr>, w: Arc<WhoisSvr>) -> Svc {
        Svc {
            httproot: http_root,
            bgp: Some(b),
            whois: w,
        }
    }
    pub async fn response_fn(&self, req: Request<Body>) -> Result<Response<Body>, hyper::Error> {
        if req.method() != Method::GET {
            return Ok(not_found());
        }
        let requri = req.uri().path();
        if requri.len() > 5 {
            if requri[..5] == "/api/"[..5] {
                let urlparts: Vec<&str> = requri.split('/').collect();
                if urlparts.len() > 2 {
                    match urlparts[2] {
                        "whois" => {
                            return self.whois.response_fn(&req).await;
                        }
                        "dns" => {
                            return self.whois.response_fn(&req).await;
                        }
                        "ping" => {
                            return Ok(Response::new(Body::from("pong")));
                        }
                        _ => {
                            if let Some(bgpr) = &self.bgp {
                                return bgpr.response_fn(&req).await;
                            } else {
                                //panic!("No service")
                                return Ok(Response::new(Body::from("No service")));
                            }
                        }
                    }
                }
            }
        }
        let filepath = String::new()
            + self.httproot.as_str()
            + (match requri {
                "/" => "/index.html",
                s => s,
            });
        //println!("File {}",filepath);
        simple_file_send(filepath.as_str()).await
    }
}

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let conf = match SvcConfig::from_inifile("bgpexplorer.ini") {
        Ok(sc) => Arc::new(sc),
        Err(e) => {
            eprintln!("{}", e);
            return Ok(());
        }
    };

    let token = tokio_util::sync::CancellationToken::new();
    let mut svr = BgpSvr::new(conf.clone(), token.clone());
    svr.start_updates().await;
    let msvr = Arc::new(svr);
    let svc = Svc::new(
        Arc::new(conf.httproot.clone()),
        msvr.clone(),
        Arc::new(WhoisSvr::new(&conf)),
    );

    let tck1 = {
        let mut _svr = msvr.clone();
        tokio::spawn(async move {
            _svr.run().await;
        })
    };
    {
        //let mksvc = make_service_fn(|_| async { Ok::<_, hyper::Error>(service_fn(response_fn)) });
        let _svc = svc.clone();
        let service = {
            make_service_fn(|_| {
                let _svc1 = _svc.clone();
                async move {
                    let _svc2 = _svc1.clone();
                    Ok::<_, hyper::Error>(service_fn(move |req: Request<Body>| {
                        let _svc3 = _svc2.clone();
                        async move { _svc3.response_fn(req).await }
                    }))
                }
            })
        };
        println!("Listening on http://{}", conf.httplisten);
        if let Err(e) = Server::bind(&conf.httplisten).serve(service).await {
            eprintln!("server error: {}", e);
        }
        token.cancel();
    };
    tck1.await.unwrap();
    Ok(())
}