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#!/usr/bin/python -O
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# $Id: bt_daemon.py,v 1.3 2004/05/02 01:41:19 carpaski Exp $
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#
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# Greatly modified by carpaski@gentoo.org
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# btdownloadheadless written by Bram Cohen
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# see LICENSE.txt for license information
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import os,sys
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os.nice(5)
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sys.path = ["/usr/lib/portage/pym"] + sys.path + ["/usr/bin"]
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from portage import getconfig
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import BitTorrent
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from BitTorrent.download import download
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from threading import Event,Thread
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import types
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import re
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from os import listdir, getcwd, stat
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from stat import ST_SIZE,ST_MTIME
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from os.path import abspath,isdir,isfile,normpath
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from sys import argv, stdout, path
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from cStringIO import StringIO
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from time import time,ctime,sleep
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from btmakemetafile import make_meta_file
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def hours(n):
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if n == -1:
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return '<unknown>'
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if n == 0:
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return 'complete!'
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n = long(n)
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h, r = divmod(n, 60 * 60)
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m, sec = divmod(r, 60)
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if h > 1000000:
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return '<unknown>'
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if h > 0:
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return '%d hour %02d min %02d sec' % (h, m, sec)
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else:
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return '%d min %02d sec' % (m, sec)
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class HeadlessDisplayer:
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def __init__(self):
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self.done = False
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self.failed = False
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self.file = ''
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self.activity = ''
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self.percentDone = 0.0
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self.timeEst = 0
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self.downloadTo = ''
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self.downRate = 0.0
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self.upRate = 0.0
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self.downTotal = 0.0
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self.upTotal = 0
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self.errors = []
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self.last_update_time = 0
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def finished(self):
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self.done = True
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self.percentDone = 100
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self.timeEst = 0
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self.downRate = 0
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self.display({})
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def failed(self):
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self.done = True
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self.failed = True
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self.percentDone = 0
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self.timeEst = -1
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self.downRate = 0
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self.display({})
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def error(self, errormsg):
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self.errors.append(errormsg)
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self.display({})
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def display(self, dict):
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if ((self.last_update_time + 1) > time()):
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if dict.get('fractionDone') not in (0.0, 1.0):
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if not dict.has_key('activity'):
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return
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self.last_update_time = time()
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if dict.has_key('fractionDone'):
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self.percentDone = float(int(dict['fractionDone'] * 1000)) / 10
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if dict.has_key('timeEst'):
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self.timeEst = long(dict['timeEst'])
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if dict.has_key('activity') and not self.done:
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self.activity = dict['activity']
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if dict.has_key('downRate'):
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self.downRate = float(dict['downRate']) / (1 << 10)
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if dict.has_key('upRate'):
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self.upRate = float(dict['upRate']) / (1 << 10)
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if dict.has_key('upTotal'):
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self.upTotal = dict['upTotal']
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if dict.has_key('downTotal'):
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self.downTotal = dict['downTotal']
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for x in self.errors:
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print self.file+": "+str(x)
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self.errors = []
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return
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def chooseFile(self, default, size, saveas, dir):
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self.file = '%s (%.1f MB)' % (default, float(size) / (1 << 20))
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if saveas != '':
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default = saveas
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self.downloadTo = abspath(default)
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return default
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def newpath(self, path):
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self.downloadTo = path
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def prefix_array(array,prefix,doblanks=1):
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"""Prepends a given prefix to each element in an Array/List/Tuple.
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Returns a List."""
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if type(array) not in [types.ListType, types.TupleType]:
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raise TypeError, "List or Tuple expected. Got %s" % type(array)
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newarray=[]
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for x in array:
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if x or doblanks:
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newarray.append(prefix + x)
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else:
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newarray.append(x)
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return newarray
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def list_files(dirlist):
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file_list = []
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for mydir in dirlist:
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if isdir(mydir):
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try:
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file_list += list_files(prefix_array(listdir(mydir),mydir+"/"))
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except Exception,e:
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print e
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elif isfile(mydir):
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file_list.append(mydir)
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else:
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print "Unknown type:",mydir
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return file_list
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def progress(amount):
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# Dummy function for the create-torrent progress meter
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pass
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def writemsg(msg,fileName,overwrite=0, create=0):
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if overwrite or create:
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fileHandle = open(fileName, "w")
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else:
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fileHandle = open(fileName, "a")
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fileHandle.write(msg+"\n")
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fileHandle.flush()
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fileHandle.close()
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print msg
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# Useless variables
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cols = 80
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# This is 2^x ... put the x below -- Chunk size for sha1 -- 18 == 256k
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piece_size_pow2 = 18
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max_starting_threads = 10
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loop_mod = 4320 # Rotating value (for logs)
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rotate_logs = 0 # Make one log or roate into loop_mod logs
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cycle_sleep = 20
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spawn_thread_delay = 0
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debug = 0
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minimum_age = 30
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port_min = 6881
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port_max = 7280
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check_hashes = 0
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# No trailing /
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file_base = "/usr/portage/distfiles"
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torrent_base = "/tmp/torrents"
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comment = "Gentoo Linux BitTorrent Mirror System"
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tracker = "http://egret.gentoo.org:6969/announce"
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if __name__ == '__main__':
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mydict = getconfig("bt_daemon.conf")
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if not mydict:
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print "bt_daemon.conf is missing"
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sys.exit(1)
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if mydict.has_key("file_base") and mydict["file_base"]:
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file_base = os.path.normpath(mydict["file_base"])
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else:
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print "file_base not specified in config."
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sys.exit(1)
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if mydict.has_key("torrent_base") and mydict["torrent_base"]:
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torrent_base = os.path.normpath(mydict["torrent_base"])
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else:
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print "torrent_base not specified in config."
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sys.exit(1)
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threads = {}
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dirs = [torrent_base[:],file_base[:]]
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re_file = re.compile("("+torrent_base[:]+"|"+file_base[:]+")(/.+?)(\.torrent)?$")
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absmax_upRate = 0.0
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absmax_upFile = ''
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loop_val = 0
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while(True):
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mydict = getconfig("bt_daemon.conf")
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if not mydict:
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print "bt_daemon.conf is missing"
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sys.exit(1)
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if mydict.has_key("piece_size_pow2"):
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piece_size_pow2 = int(mydict["piece_size_pow2"])
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if mydict.has_key("max_starting_threads"):
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max_starting_threads = int(mydict["max_starting_threads"])
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if mydict.has_key("loop_mod"):
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loop_mod = int(mydict["loop_mod"])
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if mydict.has_key("rotate_logs"):
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rotate_logs = int(mydict["rotate_logs"])
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if mydict.has_key("cycle_sleep"):
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cycle_sleep = int(mydict["cycle_sleep"])
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if mydict.has_key("spawn_thread_delay"):
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spawn_thread_delay = int(mydict["spawn_thread_delay"])
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if mydict.has_key("debug"):
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debug = int(mydict["debug"])
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if mydict.has_key("comment"):
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comment = mydict["comment"]
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if mydict.has_key("port_min"):
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port_min = mydict["port_min"]
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if mydict.has_key("port_max"):
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port_max = mydict["port_max"]
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if mydict.has_key("check_hashes"):
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check_hashes = mydict["check_hashes"]
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if mydict.has_key("tracker") and mydict["tracker"]:
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tracker = mydict["tracker"]
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else:
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print "tracker not specified in config."
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sys.exit(1)
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loop_val = (loop_val + 1) % loop_mod
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files = list_files(dirs)
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files.sort()
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new_files = []
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torrents = []
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for f in files:
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match = re_file.match(f)
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if not match:
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print "Failed to match:",f
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else:
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if match.group(1) == torrent_base:
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if match.group(3): # It's a torrent, yay!
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if match.group(2) not in torrents:
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mystat = stat(f)
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# only add if it has a size and is not actively modified.
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if mystat[ST_SIZE]>0 and (time()-mystat[ST_MTIME])>minimum_age:
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torrents.append(match.group(2))
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while(match.group(2) in new_files):
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del new_files[new_files.index(match.group(2))]
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elif torrent_base != file_base and debug:
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print "Not a torrent file:",f
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if match.group(1) == file_base:
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if match.group(3) and torrent_base != file_base and debug:
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print "Torrent in file directory:",f
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elif match.group(2) not in torrents:
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if debug:
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print "New file:",f
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mystat = stat(f)
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if mystat[ST_SIZE]>0 and (time()-mystat[ST_MTIME])>minimum_age:
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new_files.append(match.group(2))
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for t in threads.keys():
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# Remove threads that we don't have a bittorrent for.
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if t not in torrents or not os.path.exists(file_base+t):
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print "Stopping torrent [%s]: %s" % (ctime(),t)
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threads[t][0]._Thread__stop()
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del threads[t]
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while(t in torrents):
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del torrents[torrents.index(t)]
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elif not threads[t][0].isAlive():
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print "Thread died [%s]: %s" % (ctime(),t)
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del threads[t]
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fetching = 0
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completed = 0
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stalled = 0
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totalup = 0
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rateup = 0
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ratedown = 0
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max_up_rate = 0
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max_up_file = ''
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max_down_rate = 0
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max_down_file = ''
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for t in threads.keys():
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# Let's do some stats.
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if not threads[t][1].failed and threads[t][0].isAlive():
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if threads[t][1].done:
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completed += 1
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else:
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fetching += 1
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if threads[t][1].downRate == 0:
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stalled += 1
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totalup += threads[t][1].upTotal
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rateup += threads[t][1].upRate
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if threads[t][1].upRate > max_up_rate:
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max_up_rate = threads[t][1].upRate
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max_up_file = threads[t][1].file[:]
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if threads[t][1].upRate > absmax_upRate:
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absmax_upRate = threads[t][1].upRate
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absmax_upFile = threads[t][1].file[:]
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ratedown += threads[t][1].downRate
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if threads[t][1].downRate > max_down_rate:
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max_down_rate = threads[t][1].downRate
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max_down_file = threads[t][1].file[:]
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if os.path.exists(".stats"):
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if ROTATE_LOGS:
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filename = "bt_daemon-%d-%04d.stats" % (os.getpid(),loop_val)
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makenew = 1
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else:
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filename = "bt_daemon-%d.stats" % (os.getpid())
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makenew = 0
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writemsg("",filename,overwrite=makenew)
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writemsg("Stats: %s" % (ctime()) ,filename)
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writemsg("Seeding: %d" % (completed) ,filename)
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writemsg("Fetching: %d(%d)" % (fetching,stalled) ,filename)
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writemsg("Total up: %.3f MB" % (totalup) ,filename)
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writemsg("UpRate: %.2f k/s" % (rateup) ,filename)
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writemsg("UpMaxNow: %.2f k/s '%s'" % (max_up_rate,max_up_file) ,filename)
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writemsg("UpAbsMax: %.2f k/s '%s'" % (absmax_upRate,absmax_upFile) ,filename)
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writemsg("DownRate: %.2f k/s" % (ratedown) ,filename)
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writemsg("DownBest: %.2f k/s '%s'" % (max_down_rate,max_down_file) ,filename)
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writemsg("",filename)
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for t in torrents:
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# Start threads up if we have load free for them. Startup is harsh.
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if t not in threads.keys() and ((len(threads.keys())-completed) < max_starting_threads):
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print "Starting torrent [%s]: %s" % (ctime(),t)
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h = HeadlessDisplayer()
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try:
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if not os.path.isdir(file_base+"/"+os.path.dirname(t)):
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os.makedirs(file_base+"/"+os.path.dirname(t))
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download_args = [
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# responsefile -> Torrent filename
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'--responsefile', torrent_base+"/"+t+".torrent",
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# saveas -> Real filename
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'--saveas', file_base+"/"+t,
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# max_slice_length -> How much we can get in a single request
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'--max_slice_length', "65536",
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# timeout_check_interval -> Time between timeout checks
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'--timeout_check_interval', '30',
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# timeout -> How long until we time out a connection
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'--timeout', '120',
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# minport -> Lowest port allowed for files
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'--minport', str(port_min),
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# maxport -> Highest port allowed for files
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'--maxport', str(port_max),
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# request_backlog -> How many requests per pipe do we hold
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'--request_backlog', '20',
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# download_slice_size -> How much do we request?
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'--download_slice_size', '65536',
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# max_uploads -> How many do we serve out?
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'--max_uploads', '20',
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# check_hashes -> Do we check the on-disk files before joining?
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'--check_hashes', str(check_hashes)
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]
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t_thread = Thread(target=download,name="BitTorrent::"+t,args=(download_args, h.chooseFile, h.display, h.finished, h.error, Event(), cols))
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threads[t] = [t_thread,h]
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t_thread.start()
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sleep(spawn_thread_delay)
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except Exception, e:
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print "Failed to start thread: %s" % (t)
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print "Reason: %s" % (str(e))
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for f in new_files:
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# Create the torrents for files that don't have them.
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try:
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print "Creating torrent [%s]: %s" % (ctime(),f)
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if not os.path.isdir(torrent_base+"/"+os.path.dirname(f)):
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os.makedirs(torrent_base+"/"+os.path.dirname(f))
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make_meta_file(file_base+"/"+f,tracker,piece_size_pow2,progress=progress,comment=comment,target=torrent_base+"/"+f+".torrent")
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except Exception, e:
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print "Failed to create torrent: "+str(e)
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sleep(cycle_sleep)
|
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