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use crate::health::{HealthCheckerTrait, network::NetworkMonitor};
use crate::models::{HealthResult, Service, ServiceRole};
use async_trait::async_trait;
use std::time::Instant;
use tracing::trace;
pub struct TrafficBasedHealthChecker;
impl TrafficBasedHealthChecker {
pub fn new() -> Self {
Self
}
}
#[async_trait]
impl HealthCheckerTrait for TrafficBasedHealthChecker {
async fn check(&self, service: &Service) -> HealthResult {
let start = Instant::now();
// Only use traffic-based checks for Frontend and Backend services
match service.role {
ServiceRole::Frontend | ServiceRole::Backend => {
let stats = NetworkMonitor::get_traffic_stats(service);
// Service is healthy if:
// 1. Port is listening AND has active connections, OR
// 2. Port is listening (service is up, even if idle)
let is_healthy = stats.is_active || NetworkMonitor::is_port_listening(service.port);
let response_time = start.elapsed().as_millis() as u64;
if is_healthy {
trace!(
"Traffic check OK for {}:{} - {} connections, active: {}",
service.name,
service.port,
stats.active_connections,
stats.is_active
);
if stats.is_active {
HealthResult::healthy(response_time)
} else {
// Service is up but idle
HealthResult::healthy(response_time)
}
} else {
trace!(
"Traffic check failed for {}:{} - port not listening",
service.name,
service.port
);
HealthResult::unhealthy(
"Port not listening or no active connections".to_string(),
Some("Service may not be running".to_string()),
)
}
}
_ => {
// For non-frontend/backend services, don't use traffic checks
// This checker doesn't support them
HealthResult::unhealthy(
"Traffic-based checks only support Frontend/Backend services".to_string(),
None,
)
}
}
}
fn supports(&self, service: &Service) -> bool {
// Only support Frontend and Backend services
matches!(service.role, ServiceRole::Frontend | ServiceRole::Backend)
}
}