我有以下

python代码：

import libtorrent as lt

import time

ses = lt.session()

ses.listen_on(6881, 6891)

params = {

'save_path': '/home/downloads/',

'storage_mode': lt.storage_mode_t(2),

'paused': False,

'auto_managed': True,

'duplicate_is_error': True}

link = "magnet:?xt=urn:btih:4MR6HU7SIHXAXQQFXFJTNLTYSREDR5EI&tr=http://tracker.vodo.net:6970/announce"

handle = lt.add_magnet_uri(ses, link, params)

ses.start_dht()

print 'downloading metadata...'

while (not handle.has_metadata()):

time.sleep(1)

print 'got metadata, starting torrent download...'

while (handle.status().state != lt.torrent_status.seeding):

s = handle.status()

state_str = ['queued', 'checking', 'downloading metadata', \

'downloading', 'finished', 'seeding', 'allocating']

print '%.2f%% complete (down: %.1f kb/s up: %.1f kB/s peers: %d) %s %.3' % \

(s.progress * 100, s.download_rate / 1000, s.upload_rate / 1000, \

s.num_peers, state_str[s.state], s.total_download/1000000)

time.sleep(5)

这似乎工作正常,但后来减慢到不到一个字节/秒：

$python test.py

downloading metadata...

got metadata, starting torrent download...

0.00% complete (down: 195.0 kb/s up: 8.0 kB/s peers: 28) checking 3.069

0.00% complete (down: 133.0 kb/s up: 5.0 kB/s peers: 28) checking 3.342

0.00% complete (down: 29.0 kb/s up: 1.0 kB/s peers: 28) checking 3.359

0.00% complete (down: 5.0 kb/s up: 0.0 kB/s peers: 28) checking 3.398

0.00% complete (down: 4.0 kb/s up: 0.0 kB/s peers: 28) checking 3.401

0.00% complete (down: 0.0 kb/s up: 0.0 kB/s peers: 28) checking 3.405

0.00% complete (down: 0.0 kb/s up: 0.0 kB/s peers: 28) checking 3.408

0.00% complete (down: 0.0 kb/s up: 0.0 kB/s peers: 28) checking 3.412

它减慢,从未完成.任何想法为什么会发生这种情况？