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|
use crate::config::Config;
use crate::db::Device;
use dashmap::DashMap;
use ipnetwork::IpNetwork;
use sqlx::PgPool;
use std::fmt::Display;
use time::{Duration, Instant};
use tokio::sync::broadcast::Sender;
use tracing::{debug, error, trace};
pub type StatusMap = DashMap<String, Value>;
#[derive(Debug, Clone)]
pub struct Value {
pub ip: IpNetwork,
pub online: bool,
}
pub async fn spawn(
tx: Sender<BroadcastCommand>,
config: &Config,
device: Device,
uuid: String,
ping_map: &StatusMap,
db: &PgPool,
) {
let timer = Instant::now();
let payload = [0; 8];
let mut msg: Option<BroadcastCommand> = None;
while msg.is_none() {
let ping = surge_ping::ping(device.ip.ip(), &payload).await;
if let Err(ping) = ping {
let ping_timeout = matches!(ping, surge_ping::SurgeError::Timeout { .. });
if !ping_timeout {
error!("{}", ping.to_string());
msg = Some(BroadcastCommand::error(uuid.clone()));
}
if timer.elapsed() >= Duration::minutes(config.pingtimeout) {
msg = Some(BroadcastCommand::timeout(uuid.clone()));
}
} else {
let (_, duration) = ping
.map_err(|err| error!("{}", err.to_string()))
.expect("fatal error");
debug!("ping took {:?}", duration);
msg = Some(BroadcastCommand::success(uuid.clone()));
};
}
trace!(?msg);
let msg = msg.expect("fatal error");
let _ = tx.send(msg.clone());
if msg.command == BroadcastCommands::Success {
if timer.elapsed().whole_seconds() > config.pingthreshold {
sqlx::query!(
r#"
UPDATE devices
SET times = array_append(times, $1)
WHERE id = $2;
"#,
timer.elapsed().whole_seconds(),
device.id
)
.execute(db)
.await
.unwrap();
}
ping_map.insert(
uuid.clone(),
Value {
ip: device.ip,
online: true,
},
);
tokio::time::sleep(tokio::time::Duration::from_secs(60)).await;
}
trace!("remove {} from ping_map", uuid);
ping_map.remove(&uuid);
}
#[derive(Clone, Debug, PartialEq)]
pub enum BroadcastCommands {
Success,
Timeout,
Error,
}
#[derive(Clone, Debug, PartialEq)]
pub struct BroadcastCommand {
pub uuid: String,
pub command: BroadcastCommands,
}
impl Display for BroadcastCommand {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let prefix = match self.command {
BroadcastCommands::Success => "start",
BroadcastCommands::Timeout => "timeout",
BroadcastCommands::Error => "error",
};
f.write_str(format!("{prefix}_{}", self.uuid).as_str())
}
}
impl BroadcastCommand {
pub fn success(uuid: String) -> Self {
Self {
uuid,
command: BroadcastCommands::Success,
}
}
pub fn timeout(uuid: String) -> Self {
Self {
uuid,
command: BroadcastCommands::Timeout,
}
}
pub fn error(uuid: String) -> Self {
Self {
uuid,
command: BroadcastCommands::Error,
}
}
}
|
