- if reader != nil {
- n, err2 := io.Copy(resp, reader)
- if blocklen > -1 && n != blocklen {
- log.Printf("%s: %s %s %v %v mismatched copy size expected Content-Length: %v",
- GetRemoteAddress(req), req.Method, hash, status, n, blocklen)
- } else if err2 == nil {
- log.Printf("%s: %s %s %v %v",
- GetRemoteAddress(req), req.Method, hash, status, n)
- } else {
- log.Printf("%s: %s %s %v %v copy error: %v",
- GetRemoteAddress(req), req.Method, hash, status, n, err2.Error())
+ resp.Header().Set("Content-Length", fmt.Sprint(expectLength))
+ switch req.Method {
+ case "HEAD":
+ responseLength = 0
+ case "GET":
+ responseLength, err = io.Copy(resp, reader)
+ if err == nil && expectLength > -1 && responseLength != expectLength {
+ err = ContentLengthMismatch