introduce uptime monitor for easytier public nodes (#1250)

easytier-contrib/easytier-uptime/test_health_stats.rs

@@ -0,0 +1,66 @@
+//! 测试 HealthyStats 功能的示例代码
+
+use easytier_uptime::db::entity::health_records::{HealthStatus, HealthStats, Model};
+use sea_orm::prelude::*;
+
+fn main() {
+    // 创建一些模拟的健康记录
+    let records = vec![
+        Model {
+            id: 1,
+            node_id: 1,
+            status: HealthStatus::Healthy.to_string(),
+            response_time: 100,
+            error_message: String::new(),
+            checked_at: chrono::Utc::now().fixed_offset(),
+        },
+        Model {
+            id: 2,
+            node_id: 1,
+            status: HealthStatus::Healthy.to_string(),
+            response_time: 150,
+            error_message: String::new(),
+            checked_at: chrono::Utc::now().fixed_offset(),
+        },
+        Model {
+            id: 3,
+            node_id: 1,
+            status: HealthStatus::Unhealthy.to_string(),
+            response_time: 0,
+            error_message: "Connection failed".to_string(),
+            checked_at: chrono::Utc::now().fixed_offset(),
+        },
+    ];
+
+    // 从记录创建统计信息
+    let stats = HealthStats::from_records(&records);
+
+    println!("健康统计信息:");
+    println!("总检查次数: {}", stats.total_checks);
+    println!("健康检查次数: {}", stats.healthy_count);
+    println!("不健康检查次数: {}", stats.unhealthy_count);
+    println!("健康百分比: {:.2}%", stats.health_percentage);
+    println!("平均响应时间: {:?} ms", stats.average_response_time);
+    println!("正常运行时间百分比: {:.2}%", stats.uptime_percentage);
+    println!("最后检查时间: {:?}", stats.last_check_time);
+    println!("最后状态: {:?}", stats.last_status);
+
+    // 测试健康状态转换
+    println!("\n健康状态测试:");
+    let status_healthy = HealthStatus::from("healthy");
+    let status_unhealthy = HealthStatus::from("unhealthy");
+    let status_timeout = HealthStatus::from("timeout");
+    let status_unknown = HealthStatus::from("invalid_status");
+
+    println!("healthy -> {:?}", status_healthy);
+    println!("unhealthy -> {:?}", status_unhealthy);
+    println!("timeout -> {:?}", status_timeout);
+    println!("invalid_status -> {:?}", status_unknown);
+
+    // 测试记录的健康状态检查
+    println!("\n记录健康状态检查:");
+    for record in &records {
+        println!("记录 {} 是否健康: {}", record.id, record.is_healthy());
+        println!("记录 {} 状态: {:?}", record.id, record.get_status());
+    }
+}