#3603: Torrents not erroring as expected in libtorrent 2.0.9
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Reporter: Cas | Owner:
Type: bug | Status: new
Priority: major | Milestone: 2.1.2
Component: Core | Version: develop
Keywords: |
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Our test suite started failing with latest libtorrent 2.0.9 in the tests
related to setting a torrent to error state if files on disk are missing.
This was implemented to resolve #1032 in Deluge.
This will require investigation as to expected libtorrent alerts and state
and how Deluge should react to these scenarios.
The problem stems from a read_piece fix:
https://github.com/arvidn/libtorrent/pull/7359
Related commits:
https://github.com/deluge-torrent/deluge/commit/0ab7ebd0177f281e
https://github.com/deluge-
torrent/deluge/commit/4ae43c5f2a697c6a5e546b416c081ae7b0839587
A quick script to identify the differences between libtorrent versions
{{{#!python
import time
from pathlib import Path
import libtorrent as lt
from pprint import pprint
print('libtorrent: ', lt.__version__)
filename = 'deluge/tests/data/test_torrent.file.torrent'
filedump = Path(filename).read_bytes()
ti = lt.torrent_info(lt.bdecode(filedump))
atp = lt.add_torrent_params()
atp.save_path = '.'
atp.flags |= lt.torrent_flags.seed_mode
atp.ti = ti
sess = lt.session()
print('# Add torrent')
h = sess.add_torrent(atp)
def print_alerts(alerts):
if not alerts:
return
alerts = [alert.what() for alert in alerts]
print('[alerts] ', ', '.join(alerts))
state = ''
prev_state = ''
while str(state) != 'downloading':
state = h.status().state
if str(state) != str(prev_state):
print('[state ] ', state)
prev_state = state
print_alerts(sess.pop_alerts())
time.sleep(0.1)
print('# Read piece')
h.read_piece(0)
time.sleep(0.5)
print('[state ] ', h.status().state)
print_alerts(sess.pop_alerts())
}}}
Results:
{{{
libtorrent: 2.0.7.0
# Add torrent
[state ] checking_resume_data
[alerts] add_torrent
[state ] checking_files
[alerts] fastresume_rejected
[state ] downloading
# Read piece
[state ] downloading
[alerts] file_error, torrent_error, file_error, torrent_error, read_piece
}}}
{{{
libtorrent: 2.0.9.0
# Add torrent
[state ] checking_resume_data
[alerts] add_torrent
[state ] checking_files
[alerts] fastresume_rejected
[state ] downloading
# Read piece
[state ] downloading
[alerts] read_piece
}}}
--
Ticket URL: <https://dev.deluge-torrent.org/ticket/3603>
Deluge <https://deluge-torrent.org/>
Deluge Project
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