Crate hep

hep

use HEP3 Network Protocol Specification

HEP3 (Homer Encapsulation Protocol Version 3) transmits packets over UDP/TCP/SCTP connections.

Supprot HEPv1 HEPv2 HEP v3.

HEPv2 Just Support IPv4

author: MROJECT(ZhangLianJun z0413@outlook.com)

Examples

use hep::parse_packet;
use std::net::UdpSocket;

fn main() -> std::io::Result<()> {

    let socket = UdpSocket::bind("169.254.165.11:9060").expect("couldn't bind to address");
    loop {
        let mut buffer = [0x0; 0xdbba0];
        let (number_of_bytes, src_addr) =
            socket.recv_from(&mut buffer).expect("Didn't receive data");
        let filled_buf = &mut buffer[..number_of_bytes];
        let data = parse_packet(&filled_buf);
        
        match data {
            Ok(chunk) => {
                println!("Message length:{}", &chunk.packet_payload.len());
                if chunk.packet_payload.len() > 6 {
                    println!(
                        "Received Hep(sip) Message from IP:{}, CaptureId:{}\n{}",
                        src_addr, 
                        chunk.capture_agent_id, 
                        chunk.packet_payload
                    );
                } else {
                    println!(
                        "Received Hep(Keepalive) Message from IP:{}, CaptureId:{}.\n",
                        src_addr, 
                        chunk.capture_agent_id
                    );
                }
            }
            Err(_) => {
                println!(
                    "Received Hep Message from IP:{}\n ignore data.\r\n\r\n",
                    src_addr
                );
            }
        }
    }
}

Structs

Chunk

Chunk types with chunk vendor ID 0x0000 are called generic chunk types. The following

Enums

CapProtoType	Hep Capture Protocol Type
HepVersion	Hep Version enum
Vendor	Vendor Id enum

Functions

parse_packet

Entry Function