package service
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import (
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"bytes"
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"crypto/md5"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"webserver/extend/config"
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reqUtil "webserver/extend/util"
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"webserver/util"
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"basic.com/dbapi.git"
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"basic.com/valib/logger.git"
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)
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func DownSdk(id string) map[string]interface{} {
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// 下载算法
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if ok, err := DownSo(id); !ok {
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logger.Error("下载算法失败", err)
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return nil
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}
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return FindLocalSdkSoById(id)
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}
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// 从服务器上下载文件到临时目录，校验之后如果完整将其拷贝到目标目录下
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func DownSo(url string) (bool, error) {
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resp, err := http.Get(url)
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if err != nil {
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logger.Error("获取文件失败")
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return false, err
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}
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// 从resp中读出zip文件解压缩，解出face.so,face.txt,然后把解压出的so用MD5编码出一个temp.txt文件，与解压出的so.txt文件比对，
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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logger.Error("读取resp.body失败")
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return false, err
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}
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CopyFile(body, "/opt/temp/temp.zip")
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util.DeCompress("/opt/temp/temp.zip", "/opt/temp")
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fileName := GetFileNameFromUrl(url, false)
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md5str, err1 := File2md5("/opt/temp/" + fileName + ".so")
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if err1 != nil {
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logger.Error(err1)
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return false, err1
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}
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md5str_origin, err2 := ioutil.ReadFile("/opt/temp/" + fileName + ".txt")
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if err2 != nil {
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logger.Error("读取解压后的md5文件失败")
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return false, err2
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}
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flag := CompareMd5([]byte(md5str), md5str_origin)
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if flag {
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logger.Info("两次MD5编码一致！")
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} else {
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logger.Debug("两次MD5编码不一致，请重新下载")
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return false, nil
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}
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// 从url中截取soName
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soName := GetFileNameFromUrl(url, true)
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f, err := os.Create("/opt/workspace/ruleprocess/algorithm/" + soName)
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if err != nil {
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logger.Error("在项目目录下创建so文件失败")
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return false, err
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}
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data, _ := ioutil.ReadFile("/opt/temp/" + soName)
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_, err4 := f.Write(data)
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if err4 != nil {
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logger.Error("复制文件出错")
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return false, err4
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}
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return true, nil
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}
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func CopyFile(byte []byte, dst string) (w int64, err error) {
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dstFile, err := os.Create(dst)
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if err != nil {
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fmt.Println(err.Error())
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return
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}
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defer dstFile.Close()
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return io.Copy(dstFile, bytes.NewReader(byte))
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}
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// 指定目录的文件生成相应的MD5码文件
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func File2md5(filename string) (string, error) {
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// 文件生成MD5加密加密文件
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file, err := os.Open(filename)
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if err != nil {
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fmt.Println("os Open error")
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return "", err
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}
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md5 := md5.New()
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_, err = io.Copy(md5, file)
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if err != nil {
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fmt.Println("io copy error")
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return "", err
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}
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md5Str := hex.EncodeToString(md5.Sum(nil))
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return md5Str, nil
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}
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// 从url中截取出文件名，参数是是否带后缀
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func GetFileNameFromUrl(url string, withSuffix bool) string {
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fileName := strings.Split(url, "/")[len(strings.Split(url, "/"))-1]
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if withSuffix {
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return fileName
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} else {
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withoutSuffix := strings.Split(fileName, ".")[0]
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return withoutSuffix
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}
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}
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// 比较两个MD5编码是否一致
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func CompareMd5(value1 []byte, value2 []byte) bool {
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num := bytes.Compare(value1, value2)
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if num == 0 {
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return true
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} else {
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return false
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}
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}
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func GetSdkList(sdkName string) []SdkInsOrUpgrade {
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var api dbapi.SdkApi
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localSdks := api.FindAll(sdkName) //本地已安装所有算法
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localSdkM := make(map[string]SdkInsOrUpgrade)
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for _,ls :=range localSdks {
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siou := SdkInsOrUpgrade{
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Installed: true,
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}
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siou.Sdk = Sdk{
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Id: ls.Id,
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IpcId: ls.IpcId,
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SdkType: ls.SdkType,
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SdkName: ls.SdkName,
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Icon: ls.Icon,
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Url: ls.Url,
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CreateTime: ls.CreateTime,
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CreateBy: ls.CreateBy,
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UpdateTime: ls.UpdateTime,
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Enable: ls.Enable,
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DelFlag: int(ls.DelFlag),
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IconBlob: ls.IconBlob,
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Version: ls.Version,
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}
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localSdkM[siou.Id] = siou
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}
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//远端可用的算法
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remoteSdks := findAllMySdk()
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for sdkId,sdk := range remoteSdks {
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if v,ok := localSdkM[sdkId];ok { //本地已安装
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ls := v
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if shouldVersionBeUpgrade(ls.Version, sdk.Version) { //判断版本号是否需要升级
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ls.Installed = true
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ls.IsUpgrade = true //需要升级
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ls.RemoteVersion = sdk.Version //远端的版本号
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}
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localSdkM[sdkId] = ls
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} else { //本地未安装，需要安装
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bIns := SdkInsOrUpgrade{
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RemoteVersion: sdk.Version,
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IsUpgrade: false,
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Installed: false,
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}
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bIns.Sdk = sdk
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localSdkM[sdkId] = bIns
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}
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}
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sdks := make([]SdkInsOrUpgrade, 0)
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for _,v := range localSdkM {
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sdks = append(sdks, v)
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}
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return sdks
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}
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func queryDatabase(sdkName string) ([]map[string]interface{}, map[string]bool) {
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var api dbapi.SdkApi
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ids := make(map[string]bool)
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sdks := []map[string]interface{}{}
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// 查询已经安装的算法
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data := api.FindAll(sdkName)
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for _, sdk := range data {
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ids[sdk.Id] = true
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sdks = append(sdks, map[string]interface{}{
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"id": sdk.Id,
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"ipc_id": sdk.IpcId,
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"sdk_type": sdk.SdkType,
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"sdk_name": sdk.SdkName,
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"icon": sdk.Icon,
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"enable": sdk.Enable,
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"installed": true,
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})
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}
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return sdks, ids
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}
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type shopSdks struct {
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Sdks []Sdk `json:"sdks"`
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}
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func findAllMySdk() map[string]Sdk {
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token := "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.HwRobdFLtMK7ni5OKk4_NAyqpKGuUlUbqF3HBJMJuOk"
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url := "http://192.168.20.10:7004/data/api-s/sdk/findAllMySdk"
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fmt.Println("token:", token, "url:", url)
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paramBody := map[string]interface{} {
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"serverId": config.Server.AnalyServerId,
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"machineCode": "",
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}
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header := map[string]string {
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"Authorization": token,
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}
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respBody, err := reqUtil.DoPostRequest(url, reqUtil.CONTENT_TYPE_JSON, paramBody, nil, header)
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if err != nil {
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return nil
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}
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var res dbapi.Result
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if err = json.Unmarshal(respBody, &res); err != nil {
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return nil
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}
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bytes, _ := json.Marshal(res.Data)
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var ss shopSdks
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if err := json.Unmarshal(bytes, &ss);err != nil {
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return nil
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}
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m := make(map[string]Sdk)
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for _,s := range ss.Sdks {
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m[s.Id] = s
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}
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return m
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}
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func GetLocalSdks() []map[string]interface{} {
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var algos = []map[string]interface{}{}
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AlgorithmFiles := "/opt/vasystem/bin/algorithm/*.json"
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files, err := filepath.Glob(AlgorithmFiles)
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if err != nil {
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fmt.Println("Cannot access algorithm json files: No such file or directory")
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return algos
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}
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for _, filename := range files {
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algo := make(map[string]interface{})
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f, err := ioutil.ReadFile(filename)
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if err != nil {
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return algos
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}
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if err := json.Unmarshal(f, &algo); err != nil {
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return algos
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}
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algos = append(algos, map[string]interface{}{
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"id": algo["sdkId"],
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"ipc_id": algo["ipcId"],
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"sdk_type": algo["sdkType"],
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"sdk_name": algo["sdkName"],
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"icon": algo["icon"],
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"args": algo["sdkArgs"],
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})
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}
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return algos
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}
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func FindLocalSdkSoById(id string) map[string]interface{} {
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localAlgos := GetLocalSdks()
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for _, sdk := range localAlgos {
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if sdk["id"].(string) == id {
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return sdk
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}
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}
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return nil
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}
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