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mirror of https://github.com/rclone/rclone synced 2024-11-04 00:27:50 +01:00
rclone/backend/putio/error.go
rafma0 be9ee1d138 putio: fix multithread download and other ranged requests
Before this change the 206 responses from putio Range requests were being
returned as errors.

This change checks for 200 and 206 in the GET response now.
2022-04-04 11:15:55 +01:00

65 lines
1.7 KiB
Go

package putio
import (
"context"
"fmt"
"net/http"
"strconv"
"time"
"github.com/putdotio/go-putio/putio"
"github.com/rclone/rclone/fs/fserrors"
"github.com/rclone/rclone/lib/pacer"
)
func checkStatusCode(resp *http.Response, expected ...int) error {
for _, code := range expected {
if resp.StatusCode == code {
return nil
}
}
return &statusCodeError{response: resp}
}
type statusCodeError struct {
response *http.Response
}
func (e *statusCodeError) Error() string {
return fmt.Sprintf("unexpected status code (%d) response while doing %s to %s", e.response.StatusCode, e.response.Request.Method, e.response.Request.URL.String())
}
// This method is called from fserrors.ShouldRetry() to determine if an error should be retried.
// Some errors (e.g. 429 Too Many Requests) are handled before this step, so they are not included here.
func (e *statusCodeError) Temporary() bool {
return e.response.StatusCode >= 500
}
// shouldRetry returns a boolean as to whether this err deserves to be
// retried. It returns the err as a convenience
func shouldRetry(ctx context.Context, err error) (bool, error) {
if fserrors.ContextError(ctx, &err) {
return false, err
}
if err == nil {
return false, nil
}
if perr, ok := err.(*putio.ErrorResponse); ok {
err = &statusCodeError{response: perr.Response}
}
if scerr, ok := err.(*statusCodeError); ok && scerr.response.StatusCode == 429 {
delay := defaultRateLimitSleep
header := scerr.response.Header.Get("x-ratelimit-reset")
if header != "" {
if resetTime, cerr := strconv.ParseInt(header, 10, 64); cerr == nil {
delay = time.Until(time.Unix(resetTime+1, 0))
}
}
return true, pacer.RetryAfterError(scerr, delay)
}
if fserrors.ShouldRetry(err) {
return true, err
}
return false, err
}