Zettabgp

https://github.com/wladwm/zettabgp

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Zettabgp is a BGP (parsing and composing) and BMP (only parsing) protocols driver library for Rust.

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Trust Score:4.9

License:MIT

Update:3 months ago

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### ZettaBGP Dependencies

Source: https://github.com/wladwm/zettabgp/blob/main/examples/README.md

This TOML snippet shows the necessary dependencies to include ZettaBGP in your project, enabling the 'full' feature set.

```toml
[dependencies]
zettabgp = { version = "0.1.4", features = ["full"] }
```

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### Connect and Exchange BGP Open Messages

Source: https://github.com/wladwm/zettabgp/blob/main/README.md

This snippet demonstrates how to establish a TCP connection to a BGP neighbor, prepare and send an Open message, and then read and decode the neighbor's Open message. Ensure you have a BGP neighbor running on localhost:179.

```rust
use zettabgp::prelude::*;
use std::io::{Read,Write};
let mut socket = match std::net::TcpStream::connect("127.0.0.1:179") {
  Ok(sck) => sck,
  Err(e) => {eprintln!("Unable to connect to BGP neighbor: {}",e);return;}
};
let params=BgpSessionParams::new(64512,180,BgpTransportMode::IPv4,std::net::Ipv4Addr::new(1,1,1,1),vec![BgpCapability::SafiIPv4u].into_iter().collect());
let mut buf = [0 as u8; 32768];
let mut open_my = params.open_message();
let open_sz = open_my.encode_to(&params, &mut buf[19..]).unwrap();
let tosend = params.prepare_message_buf(&mut buf, BgpMessageType::Open, open_sz).unwrap();
socket.write_all(&buf[0..tosend]).unwrap();//send my open message
socket.read_exact(&mut buf[0..19]).unwrap();//read response message head
let messagehead=params.decode_message_head(&buf).unwrap();//decode message head
if messagehead.0 == BgpMessageType::Open {
   socket.read_exact(&mut buf[0..messagehead.1]).unwrap();//read message body
   let mut bom = BgpOpenMessage::new();
   bom.decode_from(&params, &buf[0..messagehead.1]).unwrap();//decode received message body
   eprintln!("BGP Open message received: {:?}", bom);
}
```

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