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13 Commits

Author SHA1 Message Date
Nick Craig-Wood 93955b755f operations: fix retries downloading too much data with certain backends 
Before this fix if more than one retry happened on a file that rclone
had opened for read with a backend that uses fs.FixRangeOption then
rclone would read too much data and the transfer would fail.

Backends affected:

- azureblob, azurefiles, b2, box, dropbox, fichier, filefabric
- googlecloudstorage, hidrive, imagekit, jottacloud, koofr, netstorage
- onedrive, opendrive, oracleobjectstorage, pikpak, premiumizeme
- protondrive, qingstor, quatrix, s3, sharefile, sugarsync, swift
- uptobox, webdav, zoho

This was because rclone was emitting Range requests for the wrong data
range on the second and subsequent retries.

This was caused by fs.FixRangeOption modifying the options and the
reopen code relying on them not being modified.

This fix makes a copy of the fs.FixRangeOption in the reopen code to
fix the problem.

In future it might be best to change fs.FixRangeOption so it returns a
new options slice.

Fixes #7759
 2024-04-13 19:25:15 +01:00
Nick Craig-Wood a4fc5edc5e operations: add more assertions to ReOpen tests to check seek positions 2024-04-13 19:25:15 +01:00
Nick Craig-Wood c0fb9ebfce operations: make Open() return an io.ReadSeekCloser #7350 
As part of reducing memory usage in rclone, we need to have a raw
handle to an object we can seek with.
 2023-11-20 18:07:05 +00:00
albertony 5d6b8141ec Replace deprecated ioutil 
As of Go 1.16, the same functionality is now provided by package io or
package os, and those implementations should be preferred in new code.
 2022-11-07 11:41:47 +00:00
Nick Craig-Wood e43b5ce5e5 Remove github.com/pkg/errors and replace with std library version 
This is possible now that we no longer support go1.12 and brings
rclone into line with standard practices in the Go world.

This also removes errors.New and errors.Errorf from lib/errors and
prefers the stdlib errors package over lib/errors.
 2021-11-07 11:53:30 +00:00
Martin Michlmayr 4aee962233 doc: fix typos throughout docs and code 2020-05-20 15:54:51 +01:00
Tim Gallant 9bf3d3da4c fs: add UploadHeaders, DownloadHeaders to Update/Put/Open options 2020-04-23 11:07:21 +01:00
Nick Craig-Wood 7f15cc9556 operations: make ReOpen and NewReOpen public for re-use elsewhere 2020-04-19 15:18:49 +01:00
Nick Craig-Wood cd3c699f28 lib/readers: factor ErrorReader from multiple sources 2020-04-19 15:18:49 +01:00
Nick Craig-Wood 57d5de6fba build: fix up package paths after repo move 
git grep -l github.com/ncw/rclone | xargs -d'\n' perl -i~ -lpe 's|github.com/ncw/rclone|github.com/rclone/rclone|g'
goimports -w `find . -name \*.go`
 2019-07-28 18:47:38 +01:00
Aleksandar Jankovic f78cd1e043 Add context propagation to rclone 
- Change rclone/fs interfaces to accept context.Context
- Update interface implementations to use context.Context
- Change top level usage to propagate context to lover level functions

Context propagation is needed for stopping transfers and passing other
request-scoped values.
 2019-06-19 11:59:46 +01:00
Nick Craig-Wood 0655738da6 operations: re-work reopen framework so it can take a RangeOption #2252 
This is in preparation for multipart downloads.
 2019-05-11 23:35:19 +01:00
Nick Craig-Wood 076d3da825 operations: resume downloads if the reader fails in copy - fixes #2108 
This puts a shim on the reader opened by Copy so that if an error is
returned, the reader is re-opened at the correct seek point.

This should make downloading very large files more reliable.
 2019-02-12 11:47:57 +00:00