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Timeouts working, environment based config. Still have to figure out

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running sender and receiver in parallel
This commit is contained in:
rzuasti
2026-01-14 09:53:01 -05:00
parent e08d257687
commit dda430556b
7 changed files with 242 additions and 63 deletions
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src/device_finders/arp/packet_send_receive.rs
+12 -7
View File
@@ -1,3 +1,4 @@
use log::{debug, info, warn};
use pnet::datalink::{DataLinkReceiver, DataLinkSender, NetworkInterface};
use pnet::ipnetwork::Ipv4Network;
use pnet::packet::arp::{ArpHardwareTypes, ArpOperations, ArpPacket, MutableArpPacket};
@@ -12,11 +13,12 @@ pub async fn send_packet(
sender_ip: Ipv4Network,
sender_macaddr: MacAddr,
) {
info!("Starting ARP sender loop");
for target_ip in sender_ip.iter() {
if target_ip == sender_ip.ip() {
continue;
}
println!("Sending to {}", target_ip);
debug!("Sending ARP packet to {}", target_ip);
for _ in 0..1 {
//arp packet
let mut arp_buf = [0u8; 28];
@@ -46,11 +48,13 @@ pub async fn send_packet(
Some(interface.clone()),
);
}
// sleep(Duration::from_millis(1)).await;
// Sleep 1 millisecond between IPs
sleep(Duration::from_millis(1)).await;
}
}
pub async fn listen_for_packets(mut rx: Box<dyn DataLinkReceiver>, ipv4_net: Ipv4Network) {
info!("Starting ARP receiver loop");
loop {
let arp_buffer = match rx.next() {
Ok(buffer) => buffer,
@@ -59,19 +63,20 @@ pub async fn listen_for_packets(mut rx: Box<dyn DataLinkReceiver>, ipv4_net: Ipv
let ethernet_packet = EthernetPacket::new(arp_buffer).unwrap();
if ethernet_packet.get_ethertype() == EtherTypes::Arp {
debug!("ARP packet received");
let arp_packet = ArpPacket::new(ethernet_packet.payload()).unwrap();
if arp_packet.get_operation() == ArpOperations::Reply {
debug!("It is an ARP reply packet");
if arp_packet.get_target_proto_addr() == ipv4_net.ip() {
print!(".");
println!("Status ONLINE");
println!(
"IP addr:\t{} \nMac addr:\t{}",
info!(
"Found online device - IP addr={} - MAC addr={}",
arp_packet.get_sender_proto_addr(),
arp_packet.get_sender_hw_addr()
);
println!("----------------------");
}
}
}
// Sleep 1 millisecond between IPs
sleep(Duration::from_millis(1)).await;
}
}