/*
 * Copyright (c) 2023 ivfzhou
 * backend is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */

package filter

import (
	"context"
	"net/http"

	"github.com/gin-gonic/gin"
)

// ExitFilter 程序退出，拒绝服务
func ExitFilter(ctx context.Context) func(*gin.Context) {
	return func(c *gin.Context) {
		select {
		case <-ctx.Done():
			c.String(http.StatusServiceUnavailable, "服务正在关闭中")
			c.Abort()
		default:
			c.Next()
		}
	}
}