dynip-cloudflare/src/message_handler.rs

81 lines
3.0 KiB
Rust

use log::{debug, error, info, log_enabled, Level};
use netlink_packet_core::{NetlinkMessage, NetlinkPayload};
use netlink_packet_route::RouteNetlinkMessage as RtnlMessage;
use crate::CloudflareClient;
pub struct MessageHandler<'a> {
cloudflare: &'a mut CloudflareClient,
errs_counter: usize,
errs_max: usize,
}
impl<'a> MessageHandler<'a> {
pub fn new(cloudflare: &'a mut CloudflareClient, errs_max: usize) -> Self {
Self {
cloudflare,
errs_counter: 0,
errs_max,
}
}
pub async fn handle_message(&mut self, message: NetlinkMessage<RtnlMessage>) -> Option<()> {
match message.payload {
NetlinkPayload::InnerMessage(RtnlMessage::NewAddress(msg)) => {
if log_enabled!(Level::Debug) {
debug!("New IPv4 address message: {:?}", msg);
} else {
info!("New IPv4 address");
if let Err(e) = self.cloudflare.check().await {
self.errs_counter += 1;
error!(
"Failed to check cloudflare ({}/{}): {:?}",
self.errs_counter, self.errs_max, &e
);
if self.errs_counter >= self.errs_max {
return None;
}
}
}
}
NetlinkPayload::InnerMessage(RtnlMessage::DelAddress(msg)) => {
if log_enabled!(Level::Debug) {
debug!("Deleted IPv4 address message: {:?}", msg);
} else {
info!("Deleted IPv4 address");
}
}
NetlinkPayload::InnerMessage(RtnlMessage::NewLink(link)) => {
if log_enabled!(Level::Debug) {
debug!("New link message (interface connected): {:?}", link);
} else {
info!("New link (interface connected)");
if let Err(e) = self.cloudflare.check().await {
self.errs_counter += 1;
error!(
"Failed to check cloudflare ({}/{}): {:?}",
self.errs_counter, self.errs_max, &e
);
if self.errs_counter >= self.errs_max {
return None;
}
}
}
}
NetlinkPayload::InnerMessage(RtnlMessage::DelLink(link)) => {
if log_enabled!(Level::Debug) {
debug!("Deleted link message (interface disconnected): {:?}", link);
} else {
info!("Deleted link (interface disconnected)");
}
}
_ => {
if log_enabled!(Level::Debug) {
debug!("Unhandled message payload: {:?}", message.payload);
}
}
}
Some(())
}
}