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Copy pathstats.go
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41 lines (32 loc) · 791 Bytes
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package middleware
import (
"sync/atomic"
"github.com/gin-gonic/gin"
)
// HTTPStats 存储HTTP统计信息
type HTTPStats struct {
activeConnections int64
}
var globalStats = &HTTPStats{}
// StatsMiddleware 统计中间件
func StatsMiddleware() gin.HandlerFunc {
return func(c *gin.Context) {
// 增加活跃连接数
atomic.AddInt64(&globalStats.activeConnections, 1)
// 确保在请求结束时减少连接数
defer func() {
atomic.AddInt64(&globalStats.activeConnections, -1)
}()
c.Next()
}
}
// StatsInfo 统计信息结构
type StatsInfo struct {
ActiveConnections int64 `json:"active_connections"`
}
// GetStats 获取统计信息
func GetStats() StatsInfo {
return StatsInfo{
ActiveConnections: atomic.LoadInt64(&globalStats.activeConnections),
}
}