/*
* Example:
* var length int64 = 0
* // Get the length of copyFile
* lbr, _ := c.GetBucket("xxxx", "", "", "", "100")
* l := len(lbr.Contents)
* for i := 0; i < l; i++ {
* if (lbr.Contents[i].Key) == "test.pdf" {
* size := lbr.Contents[i].Size
* length = int64(size)
* }
* }
* isLastPart, end, cpr, cmu, err = c.UploadPartCopy(imur, initObjectPath, "xxxx/test.pdf", cmu, end, 1048576(1MB), length, i)
*
* If file size is smaller than 1GB, please use function CopyObject.
*/
func (c *Client) UploadPartCopy(imur types.InitiateMultipartUploadResult, initObjectPath, copySrc string, cmu types.CompleteMultipartUpload, start, chunkSize, length int64, partNumber int) (isLastPart bool, end int64, cpr types.CopyPartResult, cmuNew types.CompleteMultipartUpload, err error) {
cc := c.CClient
if strings.HasPrefix(copySrc, "/") == false {
copySrc = "/" + copySrc
}
if strings.HasPrefix(initObjectPath, "/") == false {
initObjectPath = "/" + initObjectPath
}
if partNumber < 1 {
partNumber = 1
}
if chunkSize < 102400 {
chunkSize = 102400 // min 100KB
}
if length <= (start + chunkSize) {
chunkSize = length - start
end = length - 1
isLastPart = true
} else {
end = start + chunkSize
isLastPart = false
}
reqStr := initObjectPath + "?partNumber=" + strconv.Itoa(partNumber) + "&uploadId=" + imur.UploadId
params := map[string]string{consts.OH_COPY_OBJECT_SOURCE: copySrc}
params[consts.OH_COPY_SOURCE_RANGE] = "bytes=" + strconv.Itoa(int(start)) + "-" + strconv.Itoa(int(start+chunkSize-1))
resp, err := cc.DoRequest("PUT", reqStr, reqStr, params, nil)
if err != nil {
return
}
body, _ := ioutil.ReadAll(resp.Body)
defer resp.Body.Close()
if resp.StatusCode != 200 {
err = errors.New(resp.Status)
log.Println(string(body))
return
}
err = xml.Unmarshal(body, &cpr)
newPart := types.Part{}
newPart.ETag = cpr.ETag
newPart.PartNumber = partNumber
cmuNew.Part = append(cmu.Part, newPart)
//log.Println("Partnumber " + strconv.Itoa(partNumber) + " of the " + initObjectPath + " has been copied.")
return
}
/*
* Example:
* isLastPart, end, cmuNew, err := c.UploadPart(imur, initobjectPath, filePath, cmu, start, chunkSize, partNumber)
*
* chunkSize must be larger than 102400
* If chunkSize is smaller than 102400, chunkSize will be 102400
*/
func (c *Client) UploadPart(imur types.InitiateMultipartUploadResult, initObjectPath, filePath string, cmu types.CompleteMultipartUpload, start, chunkSize int64, partNumber int) (isLastPart bool, end int64, cmuNew types.CompleteMultipartUpload, err error) {
cc := c.CClient
file, err := os.Open(filePath)
if err != nil {
return
}
defer file.Close()
bufferLength := new(bytes.Buffer)
io.Copy(bufferLength, file)
buffer := new(bytes.Buffer)
length := int64(bufferLength.Len())
if partNumber < 1 {
partNumber = 1
}
if chunkSize < 102400 {
chunkSize = 102400
}
if length < (start + chunkSize - 1) {
chunkSize = length - start
end = length - 1
isLastPart = true
} else {
end = start + chunkSize
isLastPart = false
}
bufCutFile := make([]byte, chunkSize)
file.ReadAt(bufCutFile, start)
var i int64 = 0
for i = 0; i < chunkSize; i++ {
buffer.WriteByte(bufCutFile[i])
}
if strings.HasPrefix(initObjectPath, "/") == false {
initObjectPath = "/" + initObjectPath
}
reqStr := initObjectPath + "?partNumber=" + strconv.Itoa(partNumber) + "&uploadId=" + imur.UploadId
resp, err := cc.DoRequest("PUT", reqStr, reqStr, nil, buffer)
if err != nil {
return
}
body, _ := ioutil.ReadAll(resp.Body)
defer resp.Body.Close()
if resp.StatusCode != 200 {
err = errors.New(resp.Status)
log.Println(string(body))
return
}
newPart := types.Part{}
newPart.ETag = resp.Header.Get(consts.HH_ETAG)
newPart.PartNumber = partNumber
cmuNew.Part = append(cmu.Part, newPart)
//log.Println("Part number " + strconv.Itoa(partNumber) + " of the " + initObjectPath + " has been uploaded.")
return
}