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