| | |
| | | package util |
| | | |
| | | import ( |
| | | "basic.com/pubsub/protomsg.git" |
| | | "archive/zip" |
| | | "basic.com/valib/logger.git" |
| | | "bytes" |
| | | "crypto/md5" |
| | | "crypto/tls" |
| | | "encoding/hex" |
| | | "encoding/json" |
| | | "errors" |
| | | "github.com/gin-gonic/gin" |
| | | "github.com/golang/glog" |
| | | "gocv.io/x/gocv" |
| | | "image" |
| | | "io" |
| | | "io/ioutil" |
| | | "net" |
| | | "os/exec" |
| | | "net/http" |
| | | "os" |
| | | "path/filepath" |
| | | "strconv" |
| | | "time" |
| | | "webserver/extend/code" |
| | | |
| | | "crypto/rand" |
| | | "fmt" |
| | | "github.com/gin-gonic/gin" |
| | | "github.com/pierrec/lz4" |
| | | "reflect" |
| | | "strings" |
| | | ) |
| | |
| | | // ResponseFormat 返回数据格式化 |
| | | func ResponseFormat(c *gin.Context, respStatus *code.Code, data interface{}) { |
| | | if respStatus == nil { |
| | | glog.Error("response status param not found!") |
| | | respStatus = code.RequestParamError |
| | | } |
| | | c.JSON(respStatus.Status, gin.H{ |
| | |
| | | |
| | | //struct转map |
| | | func Struct2Map(obj interface{}) map[string]interface{} { |
| | | resultMap :=make(map[string]interface{},0) |
| | | resultMap := make(map[string]interface{}, 0) |
| | | bytesData, err := json.Marshal(obj) |
| | | if err !=nil { |
| | | if err != nil { |
| | | return resultMap |
| | | } |
| | | json.Unmarshal(bytesData, &resultMap) |
| | | return resultMap |
| | | |
| | | |
| | | // |
| | | //t := reflect.TypeOf(obj) |
| | | //v := reflect.ValueOf(obj) |
| | |
| | | //return data |
| | | } |
| | | |
| | | // 按尺寸去切图 |
| | | func SubImg(i protomsg.Image, x0, y0, x1, y1 int, ) []byte { |
| | | img, _ := gocv.NewMatFromBytes(int(i.Height), int(i.Width), gocv.MatTypeCV8UC3, i.Data) |
| | | rect := image.Rect(EnlargeSize(x0, y0, x1, y1, i)) |
| | | region := img.Region(rect) |
| | | bytes, _ := gocv.IMEncode(".jpg", region) |
| | | return bytes |
| | | } |
| | | |
| | | // 长宽变为一比一,每边各扩百分之20 |
| | | func EnlargeSize(x0, y0, x1, y1 int, i protomsg.Image) (x0_new, y0_new, x1_new, y1_new int) { |
| | | // 先把长宽变为一比一 |
| | | chazhi := (y1 - y0) - (x1 - x0) |
| | | x0 = x0 - chazhi/2 |
| | | if x0 < 0 { |
| | | x0 = 0 |
| | | } |
| | | x1 = x1 + chazhi/2 |
| | | if x1 > int(i.Width) { |
| | | x1 = int(i.Width) |
| | | } |
| | | |
| | | // 再把每边各扩大百分之20 |
| | | enlarge := float32(0.2) |
| | | x0_new = int((1+enlarge)*float32(x0) - enlarge*float32(x1)) |
| | | if x0_new < 0 { |
| | | x0_new = 0 |
| | | } |
| | | x1_new = int((1+enlarge)*float32(x1) - enlarge*float32(x0)) |
| | | if x1_new > int(i.Width) { |
| | | x1_new = int(i.Width) |
| | | } |
| | | y0_new = int((1+enlarge)*float32(y0) - enlarge*float32(y1)) |
| | | if y0_new < 0 { |
| | | y0_new = 0 |
| | | } |
| | | y1_new = int((1+enlarge)*float32(y1) - enlarge*float32(y0)) |
| | | if y1_new > int(i.Height) { |
| | | y1_new = int(i.Height) |
| | | } |
| | | return |
| | | } |
| | | |
| | | |
| | | // 获取本机网卡IP |
| | | func GetLocalIP(networkName string) (ipv4 string,mask string, err error) { |
| | | interfaces, err := net.Interfaces() |
| | | func ReadImgData(url string) ([]byte, error) { |
| | | resp, err := http.Get(url) |
| | | if err != nil { |
| | | return "","", err |
| | | return nil, err |
| | | } |
| | | |
| | | for _, i := range interfaces { |
| | | byName, err := net.InterfaceByName(i.Name) |
| | | if err != nil { |
| | | return "","", err |
| | | } |
| | | addresses, err := byName.Addrs() |
| | | for _, v := range addresses { |
| | | if ipnet, ok:=v.(*net.IPNet);ok && !ipnet.IP.IsLoopback(){ |
| | | if ipnet.IP.To4() !=nil{ |
| | | if byName.Name == networkName{ |
| | | maskStr := ipnet.Mask.String() |
| | | mask64, _ := strconv.ParseUint(maskStr, 16, 32) |
| | | return ipnet.IP.String(),IpIntToString(int(mask64)),nil |
| | | } |
| | | } |
| | | } |
| | | } |
| | | defer resp.Body.Close() |
| | | pix, err := ioutil.ReadAll(resp.Body) |
| | | if err != nil { |
| | | return nil, err |
| | | } |
| | | return "","", errors.New("ipv4 not found") |
| | | } |
| | | |
| | | func GetDefaultRoute(networkName string)(route string,err error){ |
| | | cmdStr := fmt.Sprintf("route | grep -P \"^default.*%s$\" | awk '{print $2}'",networkName) |
| | | cmd := exec.Command("/bin/sh","-c",cmdStr) |
| | | b, err := cmd.Output() |
| | | if err!=nil{ |
| | | return "",err |
| | | } |
| | | return string(b),nil |
| | | |
| | | return pix, nil |
| | | } |
| | | |
| | | func StringIpToInt(ipstring string) int { |
| | |
| | | return ipInt |
| | | } |
| | | |
| | | func IpIntToString(ipInt int) string{ |
| | | func IpIntToString(ipInt int) string { |
| | | ipSegs := make([]string, 4) |
| | | var len int = len(ipSegs) |
| | | buffer := bytes.NewBufferString("") |
| | |
| | | } |
| | | |
| | | func ParseScore(compareScore float32) float32 { |
| | | f, _ := strconv.ParseFloat(fmt.Sprintf("%.2f", compareScore), 32) |
| | | if compareScore < 1 { |
| | | compareScore = compareScore * 100 |
| | | } |
| | | f, _ := strconv.ParseFloat(fmt.Sprintf("%2.2f", compareScore), 32) |
| | | return float32(f) |
| | | } |
| | | |
| | | func ParseScore64(compareScore float64) float64 { |
| | | if compareScore < 1 { |
| | | compareScore = compareScore * 100 |
| | | } |
| | | f, _ := strconv.ParseFloat(fmt.Sprintf("%2.2f", compareScore), 64) |
| | | return f |
| | | } |
| | | |
| | | // UnCompress uncompress |
| | | func UnCompress(in []byte) ([]byte, error) { |
| | | out := make([]byte, 10*len(in)) |
| | | n, err := lz4.UncompressBlock(in, out) |
| | | if err != nil { |
| | | fmt.Println(err) |
| | | return nil, err |
| | | } |
| | | out = out[:n] // uncompressed data |
| | | return out, nil |
| | | } |
| | | |
| | | // Compress compress |
| | | func Compress(in []byte) ([]byte, error) { |
| | | out := make([]byte, len(in)) |
| | | ht := make([]int, 64<<10) // buffer for the compression table |
| | | n, err := lz4.CompressBlock(in, out, ht) |
| | | if err != nil { |
| | | fmt.Println(err) |
| | | return nil, err |
| | | } |
| | | if n >= len(in) { |
| | | fmt.Println("image is not compressible") |
| | | } |
| | | out = out[:n] // compressed data |
| | | return out, nil |
| | | } |
| | | |
| | | // 判断所给路径文件/文件夹是否存在 |
| | | func Exists(path string) bool { |
| | | if path == "" { |
| | | return false |
| | | } |
| | | _, err := os.Stat(path) //os.Stat获取文件信息 |
| | | if err != nil { |
| | | if os.IsExist(err) { |
| | | return true |
| | | } |
| | | return false |
| | | } |
| | | return true |
| | | } |
| | | func CreateDirectory(path string) bool { |
| | | if path == "" { |
| | | return false |
| | | } |
| | | if Exists(path) { |
| | | return true |
| | | } |
| | | err := os.MkdirAll(path,os.ModePerm) |
| | | if err !=nil { |
| | | return false |
| | | } |
| | | return true |
| | | } |
| | | |
| | | //日期转字符串 |
| | | func FormatDate(date time.Time, layout string) string { |
| | | layout = strings.Replace(layout, "yyyy", "2006", 1) |
| | | layout = strings.Replace(layout, "yy", "06", 1) |
| | | layout = strings.Replace(layout, "MM", "01", 1) |
| | | layout = strings.Replace(layout, "dd", "02", 1) |
| | | layout = strings.Replace(layout, "HH", "15", 1) |
| | | layout = strings.Replace(layout, "mm", "04", 1) |
| | | layout = strings.Replace(layout, "ss", "05", 1) |
| | | layout = strings.Replace(layout, "SSS", "000", -1) |
| | | return date.Format(layout) |
| | | } |
| | | func ZipCheck(zipPath string) bool { |
| | | f, err := os.Open(zipPath) |
| | | if err != nil { |
| | | return false |
| | | } |
| | | defer f.Close() |
| | | buf := make([]byte, 4) |
| | | if n, err := f.Read(buf); err != nil || n < 4 { |
| | | return false |
| | | } |
| | | return bytes.Equal(buf, []byte("PK\x03\x04")) |
| | | } |
| | | func UnZip(archive, target string) error { |
| | | reader, err := zip.OpenReader(archive) |
| | | if err != nil { |
| | | return err |
| | | } |
| | | if err := os.MkdirAll(target, 0755); err != nil { |
| | | return err |
| | | } |
| | | for _, file := range reader.File { |
| | | path := filepath.Join(target, file.Name) |
| | | if file.FileInfo().IsDir() { |
| | | os.MkdirAll(path, file.Mode()) |
| | | continue |
| | | } |
| | | fileReader, err := file.Open() |
| | | if err != nil { |
| | | return err |
| | | } |
| | | defer fileReader.Close() |
| | | targetFile, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, file.Mode()) |
| | | if err != nil { |
| | | return err |
| | | } |
| | | defer targetFile.Close() |
| | | if _, err := io.Copy(targetFile, fileReader); err != nil { |
| | | return err |
| | | } |
| | | } |
| | | |
| | | return nil |
| | | } |
| | | |
| | | func FormatNum(oNum int,n int) string { |
| | | m := 0 |
| | | for { |
| | | oNum = oNum / 10 |
| | | m++ |
| | | if oNum == 0 { |
| | | break |
| | | } |
| | | } |
| | | fmtStr := "%0"+strconv.Itoa(m)+"d" |
| | | return fmt.Sprintf(fmtStr, n) |
| | | } |
| | | |
| | | func FileMd5(path string) (string,error){ |
| | | file, err := os.Open(path) |
| | | if err !=nil { |
| | | return "",err |
| | | } |
| | | |
| | | defer file.Close() |
| | | |
| | | _md5 := md5.New() |
| | | if _,err := io.Copy(_md5, file);err != nil { |
| | | return "",err |
| | | } |
| | | |
| | | return hex.EncodeToString(_md5.Sum(nil)),nil |
| | | } |
| | | |
| | | func DownLoad(url string)([]byte,error){ |
| | | connectTimeout := 5 * time.Second |
| | | readWriteTimeout := 10000 * time.Millisecond |
| | | c := &http.Client{ |
| | | Transport: &http.Transport{ |
| | | TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, |
| | | Dial: TimeoutDialer(connectTimeout, readWriteTimeout), |
| | | }, |
| | | } |
| | | req, err := http.NewRequest("GET",url,nil) |
| | | if err != nil { |
| | | return nil,err |
| | | } |
| | | resp,err := c.Do(req) |
| | | |
| | | body, err1 := ioutil.ReadAll(resp.Body) |
| | | if err1 != nil { |
| | | resp.Body.Close() |
| | | return nil,err |
| | | }else { |
| | | logger.Debug("Download success") |
| | | } |
| | | resp.Body.Close() |
| | | return body,nil |
| | | } |
| | | |
| | | func TimeoutDialer(cTimeout time.Duration, rwTimeout time.Duration) func(net, addr string) (c net.Conn, err error) { |
| | | return func(netw, addr string) (net.Conn, error) { |
| | | conn, err := net.DialTimeout(netw, addr, cTimeout) |
| | | if err != nil { |
| | | return nil, err |
| | | } |
| | | conn.SetDeadline(time.Now().Add(rwTimeout)) |
| | | return conn, nil |
| | | } |
| | | } |