etri-smartfarm-poc-controller-serial/model/cache.go

package model

import (
	"errors"
	"etrismartfarmpoccontroller/constants"
	"fmt"
	"io/ioutil"
	"net/http"
)

func (s *dbHandler) StatusCheck(did string, new map[string]interface{}) bool {
	origin, ok := s.states[did]
	if !ok {
		fmt.Println(did)
		fmt.Println("insert origin, before", s.states[did])
		s.states[did] = new
		// origin = map[string]interface{}{}
		// s.states[did] = origin
		// for k, v := range new {
		// 	origin[k] = v
		// }
		fmt.Println("insert origin, after", s.states[did])
		fmt.Println("insert origin, new", new)
		return true
	}

	changed := false
	for k, v := range new {
		if v.(float64) != origin[k].(float64) {
			fmt.Println("origin, new", v, origin[k])
			origin[k] = v
			changed = true
		}
	}

	return changed
}

func (s *dbHandler) GetSID(sname string) (string, error) {
	sid, ok := s.cache[sname]
	if !ok {
		req, err := http.NewRequest("GET",
			fmt.Sprintf("http://%s/%s", constants.Config["serverAddr"], "services"),
			nil,
		)

		req.Header.Set("sname", sname)

		if err != nil {
			return "", err
		}

		resp, err := http.DefaultClient.Do(req)
		if err != nil {
			return "", err
		} else if resp.ContentLength == 0 {
			return "", errors.New("not exist service")
		}

		b, err := ioutil.ReadAll(resp.Body)
		if err != nil {
			return "", err
		}

		sid = string(b)
	}

	return sid, nil
}