新增代理服务与边缘节点注册功能

client/geo/ipapi.go

@@ -0,0 +1,40 @@
+package geo
+
+import (
+	"encoding/json"
+	"github.com/pkg/errors"
+	"net/http"
+)
+
+func Ipapi() (prov, city, isp string, err error) {
+	const endpoint = "http://ip-api.com/json/?fields=regionName,city,as&lang=zh-CN"
+
+	resp, err := http.Get(endpoint)
+	if err != nil {
+		return "", "", "", err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return "", "", "", err
+	}
+
+	var data struct {
+		RegionName string `json:"regionName"`
+		City       string `json:"city"`
+		As         string `json:"as"`
+	}
+	err = json.NewDecoder(resp.Body).Decode(&data)
+	if err != nil {
+		return "", "", "", err
+	}
+
+	prov = data.RegionName
+	city = data.City
+	isp = data.As
+	if prov == "" || city == "" || isp == "" {
+		return "", "", "", errors.New("解析数据为空")
+	}
+
+	return prov, city, isp, nil
+}