package service
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import (
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"bytes"
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"encoding/json"
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"io"
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"net/http"
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"time"
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"errors"
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"gat1400Exchange/config"
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"gat1400Exchange/pkg/logger"
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"gat1400Exchange/models"
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"github.com/hashicorp/golang-lru/v2/expirable"
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)
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var deviceAliveCache *expirable.LRU[string, bool]
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func init() {
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deviceAliveCache = expirable.NewLRU[string, bool](100, nil, time.Second*60) //过滤指定时间内的重复人物
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}
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type DevReportData struct {
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Code string `json:"code"` // 设备ID
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Type string `json:"type"` // 设备类型
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Model string `json:"model"` // 设备型号
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SerialNum string `json:"serialNum"` // 硬件序列号
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Name string `json:"name"` // 设备名称
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Org string `json:"org"` // 所属机构
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Position string `json:"position"` // 具体位置
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Addr string `json:"addr"` // 地址
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Longitude string `json:"lon"` // 经度
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Latitude string `json:"lat"` // 纬度
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Desc string `json:"desc"` // 设备描述
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InstallTime string `json:"installTime"` // 安装时间
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UpTime string `json:"upTime"` // 启动时间
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Hardware map[string]interface{} `json:"hardware"` // 硬件信息
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IpAddr string `json:"ip"`
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}
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func reportDeviceInfo() error {
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if config.ForwardConf.ReportServer == "" {
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return errors.New("server addr is empty !")
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}
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var d models.Device
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devices, err := d.FindAll()
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if err != nil {
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return err
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}
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for _, dev := range devices{
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if _, exists := deviceAliveCache.Get(dev.Id); !exists {
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continue
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}
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device := DevReportData{
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Code: dev.Id,
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Type: "camera",
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Name: dev.Name,
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Addr: dev.Addr+dev.Pos,
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IpAddr: dev.Ip,
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}
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data, err := json.Marshal(device)
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if err != nil {
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return err
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}
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_, err = HttpPost(config.ForwardConf.ReportServer, nil, data)
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}
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return nil
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}
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func DeviceInfoReportTask() {
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interval := config.ForwardConf.ReportInterval
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if interval == 0 {
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interval = 10
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}
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logger.Info("start device info report task, server:%s interval:%d.", config.ForwardConf.ReportServer, interval)
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ticker := time.NewTicker(1 * time.Second)
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for {
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select {
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case <-ticker.C:
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logger.Debug("report device info.")
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err := reportDeviceInfo()
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if err != nil {
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logger.Warn(err.Error())
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}
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ticker.Reset(time.Duration(interval) * time.Second)
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}
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}
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}
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func HttpPost(url string, header map[string]string, data []byte) ([]byte, error) {
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req, err := http.NewRequest(http.MethodPost, url, bytes.NewBuffer(data))
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if err != nil {
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return nil, err
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}
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req.Header.Set("Content-Type", "applicaiton/json; charset=UTF-8")
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if header != nil {
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for k, v := range header {
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req.Header.Set(k, v)
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}
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}
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cli := &http.Client{}
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resp, err := cli.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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return body, nil
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}
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