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#!/usr/bin/env python
# The contents of this file are subject to the BitTorrent Open Source License
# Version 1.1 (the License). You may not copy or use this file, in either
# source code or executable form, except in compliance with the License. You
# may obtain a copy of the License at http://www.bittorrent.com/license/.
#
# Software distributed under the License is distributed on an AS IS basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
# Original version written by John Hoffman, heavily modified for different
# multitorrent architecture by Uoti Urpala (over 40% shorter than original)
import os
from cStringIO import StringIO
from traceback import print_exc
from BitTorrent import configfile
from BitTorrent.parsedir import parsedir
from BitTorrent.download import Multitorrent, Feedback
from BitTorrent.ConvertedMetainfo import ConvertedMetainfo
from BitTorrent import BTFailure
from threading import Event
from time import time
class LaunchMany(Feedback):
def __init__(self, config, output, configfile_key):
try:
self.config = config
self.output = output
self.configfile_key = configfile_key
self.torrent_dir = config['torrent_dir']
self.torrent_cache = {}
self.file_cache = {}
self.blocked_files = {}
self.torrent_list = []
self.downloads = {}
self.doneflag = Event()
self.hashcheck_queue = []
self.hashcheck_store = {}
self.hashcheck_current = None
self.multitorrent = Multitorrent(config, self.doneflag,
self.global_error)
self.rawserver = self.multitorrent.rawserver
self.rawserver.add_task(self.scan, 0)
self.rawserver.add_task(self.stats, 0)
try:
import signal
def handler(signum, frame):
self.rawserver.external_add_task(self.read_config, 0)
signal.signal(signal.SIGHUP, handler)
self.rawserver.install_sigint_handler()
except Exception, e:
self.output.message(_("Could not set signal handler: ") + str(e))
self.rawserver.listen_forever()
self.output.message(_("shutting down"))
for infohash in self.torrent_list:
self.output.message(_('dropped "%s"') %
self.torrent_cache[infohash]['path'])
torrent = self.downloads[infohash]
if torrent is not None:
torrent.shutdown()
except:
data = StringIO()
print_exc(file = data)
output.exception(data.getvalue())
def scan(self):
self.rawserver.add_task(self.scan, self.config['parse_dir_interval'])
r = parsedir(self.torrent_dir, self.torrent_cache,
self.file_cache, self.blocked_files,
self.output.message)
( self.torrent_cache, self.file_cache, self.blocked_files,
added, removed ) = r
for infohash, data in removed.items():
self.output.message(_('dropped "%s"') % data['path'])
self.remove(infohash)
for infohash, data in added.items():
self.output.message(_('added "%s"' ) % data['path'])
if self.config['launch_delay'] > 0:
self.rawserver.add_task(self.add, self.config['launch_delay'], (infohash, data))
else:
self.add(infohash, data)
def stats(self):
self.rawserver.add_task(self.stats, self.config['display_interval'])
data = []
for infohash in self.torrent_list:
cache = self.torrent_cache[infohash]
if self.config['display_path']:
name = cache['path']
else:
name = cache['name']
size = cache['length']
d = self.downloads[infohash]
progress = '0.0%'
peers = 0
seeds = 0
seedsmsg = "S"
dist = 0.0
uprate = 0.0
dnrate = 0.0
upamt = 0
dnamt = 0
t = 0
msg = ''
if d is None:
status = _("waiting for hash check")
else:
stats = d.get_status()
status = stats['activity']
progress = '%.1f%%' % (int(stats['fractionDone']*1000)/10.0)
if d.started and not d.closed:
s = stats
dist = s['numCopies']
if d.is_seed:
seeds = 0 # s['numOldSeeds']
seedsmsg = "s"
else:
if s['numSeeds'] + s['numPeers']:
t = stats['timeEst']
if t is None:
t = -1
if t == 0: # unlikely
t = 0.01
status = _("downloading")
else:
t = -1
status = _("connecting to peers")
seeds = s['numSeeds']
dnrate = stats['downRate']
peers = s['numPeers']
uprate = stats['upRate']
upamt = s['upTotal']
dnamt = s['downTotal']
if d.errors and (d.closed or d.errors[-1][0] + 300 > time()):
msg = d.errors[-1][2]
data.append(( name, status, progress, peers, seeds, seedsmsg, dist,
uprate, dnrate, upamt, dnamt, size, t, msg ))
stop = self.output.display(data)
if stop:
self.doneflag.set()
def remove(self, infohash):
self.torrent_list.remove(infohash)
if self.downloads[infohash] is not None:
self.downloads[infohash].shutdown()
self.was_stopped(infohash)
del self.downloads[infohash]
def add(self, infohash, data):
self.torrent_list.append(infohash)
self.downloads[infohash] = None
self.hashcheck_queue.append(infohash)
self.hashcheck_store[infohash] = data['metainfo']
self.check_hashcheck_queue()
def check_hashcheck_queue(self):
if self.hashcheck_current is not None or not self.hashcheck_queue:
return
self.hashcheck_current = self.hashcheck_queue.pop(0)
metainfo = self.hashcheck_store[self.hashcheck_current]
del self.hashcheck_store[self.hashcheck_current]
filename = self.determine_filename(self.hashcheck_current)
self.downloads[self.hashcheck_current] = self.multitorrent. \
start_torrent(ConvertedMetainfo(metainfo),
self.config, self, filename)
def determine_filename(self, infohash):
x = self.torrent_cache[infohash]
name = x['name']
savein = self.config['save_in']
isdir = not x['metainfo']['info'].has_key('length')
style = self.config['saveas_style']
if style == 4:
torrentname = os.path.split(x['path'][:-8])[1]
suggestedname = name
if torrentname == suggestedname:
style = 1
else:
style = 3
if style == 1 or style == 3:
if savein:
saveas = os.path.join(savein,x['file'][:-8]) # strip '.torrent'
else:
saveas = x['path'][:-8] # strip '.torrent'
if style == 3 and not isdir:
saveas = os.path.join(saveas, name)
else:
if savein:
saveas = os.path.join(savein, name)
else:
saveas = os.path.join(os.path.split(x['path'])[0], name)
return saveas
def was_stopped(self, infohash):
try:
self.hashcheck_queue.remove(infohash)
except:
pass
else:
del self.hashcheck_store[infohash]
if self.hashcheck_current == infohash:
self.hashcheck_current = None
self.check_hashcheck_queue()
def global_error(self, level, text):
self.output.message(text)
def exchandler(self, s):
self.output.exception(s)
def read_config(self):
try:
newvalues = configfile.get_config(self.config, self.configfile_key)
except Exception, e:
self.output.message(_("Error reading config: ") + str(e))
return
self.output.message(_("Rereading config file"))
self.config.update(newvalues)
# The set_option call can potentially trigger something that kills
# the torrent (when writing this the only possibility is a change in
# max_files_open causing an IOError while closing files), and so
# the self.failed() callback can run during this loop.
for option, value in newvalues.iteritems():
self.multitorrent.set_option(option, value)
for torrent in self.downloads.values():
if torrent is not None:
for option, value in newvalues.iteritems():
torrent.set_option(option, value)
# rest are callbacks from torrent instances
def started(self, torrent):
self.hashcheck_current = None
self.check_hashcheck_queue()
def failed(self, torrent, is_external):
infohash = torrent.infohash
self.was_stopped(infohash)
if self.torrent_cache.has_key(infohash):
self.output.message('DIED: "'+self.torrent_cache[infohash]['path']+'"')
def exception(self, torrent, text):
self.exchandler(text)
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