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#!/usr/bin/python -O |
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# $Id: bt_daemon.py,v 1.5 2004/06/16 05:15:31 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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|
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import os,sys,string,signal |
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os.nice(5) |
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|
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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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|
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import BitTorrent |
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from BitTorrent.download import download |
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|
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from threading import Event,Thread |
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import types,re,random |
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|
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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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|
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from btmakemetafile import make_meta_file |
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|
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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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|
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class HeadlessDisplayer: |
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def __init__(self): |
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self.active = False |
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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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|
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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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|
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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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|
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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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|
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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 self.downRate > 0: |
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self.has_transfered = True |
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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 self.upRate > 0: |
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self.has_transfered = True |
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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.active = True |
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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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|
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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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|
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def newpath(self, path): |
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self.downloadTo = path |
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|
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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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|
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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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mys = mydir.split("/") |
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if mys[-1][0] == '.': |
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continue |
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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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|
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|
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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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|
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|
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def writemsg(msg,fileName,overwrite=0,create=0,echo=1): |
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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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|
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fileHandle.write(msg+"\n") |
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fileHandle.flush() |
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fileHandle.close() |
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if echo: |
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print msg |
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|
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|
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# Useless variables |
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cols = 80 |
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|
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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 = 1 |
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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 = 120 |
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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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shuffle_files = 0 |
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master_seed = 0 |
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min_uploads = 20 |
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max_uploads = 20 |
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download_slice_size = 65536 |
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max_slice_length = 131072 |
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request_backlog = 20 |
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timeout = 90 |
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timeout_check_interval = 20 |
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stats = 1 |
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min_file_size = 5000000 |
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max_fetches = 3 |
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|
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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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|
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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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|
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if __name__ == '__main__': |
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try: |
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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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|
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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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|
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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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|
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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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|
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noticed_newfiles = [] |
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|
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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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sys.stderr.write("bt_daemon.conf is missing or contains errors\n") |
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|
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if mydict.has_key("master_seed"): |
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master_seed = int(mydict["master_seed"]) |
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|
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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("max_fetches"): |
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max_fetches = int(mydict["max_fetches"]) |
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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("shuffle_files"): |
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shuffle_files = int(mydict["shuffle_files"]) |
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if mydict.has_key("debug"): |
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debug = int(mydict["debug"]) |
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|
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if mydict.has_key("min_uploads"): |
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min_uploads = int(mydict["min_uploads"]) |
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if mydict.has_key("max_uploads"): |
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max_uploads = int(mydict["max_uploads"]) |
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if mydict.has_key("download_slice_size"): |
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download_slice_size = int(mydict["download_slice_size"]) |
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if mydict.has_key("max_slice_length"): |
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max_slice_length = int(mydict["max_slice_length"]) |
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if mydict.has_key("request_backlog"): |
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request_backlog = int(mydict["request_backlog"]) |
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if mydict.has_key("timeout"): |
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timeout = int(mydict["timeout"]) |
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if mydict.has_key("timeout_check_interval"): |
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timeout_check_interval = int(mydict["timeout_check_interval"]) |
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|
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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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|
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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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|
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|
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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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changing = [] |
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|
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if shuffle_files: |
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random.shuffle(files) |
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|
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for f in files: |
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try: |
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match = re_file.match(f) |
| 302 |
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! |
| 307 |
if match.group(2) not in torrents: |
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mystat = stat(f) |
| 309 |
# only add if it has a size and is not actively modified. |
| 310 |
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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else: |
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changing.append(match.group(2)) |
| 314 |
while(match.group(2) in new_files): |
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del new_files[new_files.index(match.group(2))] |
| 316 |
elif torrent_base != file_base and debug: |
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print "Not a torrent file:",f |
| 318 |
if match.group(1) == file_base: |
| 319 |
if match.group(3) and torrent_base != file_base and debug: |
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print "Torrent in file directory:",f |
| 321 |
elif match.group(2) not in torrents: |
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mystat = stat(f) |
| 323 |
if mystat[ST_SIZE] < min_file_size: |
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pass # Too small ignore it. |
| 325 |
elif (time()-mystat[ST_MTIME]) > minimum_age: |
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new_files.append(match.group(2)) |
| 327 |
if debug: |
| 328 |
if new_files[-1] not in torrents: |
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if new_files[-1] not in changing: |
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if f not in noticed_newfiles: |
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print "New file:",f |
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noticed_newfiles.append(f) |
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else: |
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print "Changing file:",f |
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else: |
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if debug: |
| 337 |
print "Actively modified: ",f |
| 338 |
except Exception,e: |
| 339 |
print "--- IGNORING FILE: %s '%s'" % (f,e) |
| 340 |
print |
| 341 |
|
| 342 |
for t in threads.keys(): |
| 343 |
# Remove threads that we don't have a bittorrent for. |
| 344 |
if t not in torrents or not os.path.exists(file_base+t): |
| 345 |
print "Stopping torrent [%s]: %s" % (ctime(),t) |
| 346 |
threads[t][0]._Thread__stop() |
| 347 |
del threads[t] |
| 348 |
while(t in torrents): |
| 349 |
del torrents[torrents.index(t)] |
| 350 |
|
| 351 |
elif not threads[t][0].isAlive(): |
| 352 |
print "Thread died [%s]: %s" % (ctime(),t) |
| 353 |
del threads[t] |
| 354 |
|
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completed = [] |
| 356 |
fetching = [] |
| 357 |
hashing = [] |
| 358 |
stalled = [] |
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|
| 360 |
stats_up = [] |
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stats_down = [] |
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|
| 363 |
totalup = 0 |
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rateup = 0 |
| 365 |
ratedown = 0 |
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|
| 367 |
max_up_rate = 0 |
| 368 |
max_up_file = '' |
| 369 |
max_down_rate = 0 |
| 370 |
max_down_file = '' |
| 371 |
completed_string = "" |
| 372 |
for t in threads.keys(): |
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# Let's do some stats. |
| 374 |
if not threads[t][1].failed and threads[t][0].isAlive(): |
| 375 |
if threads[t][1].done: |
| 376 |
completed.append(t) |
| 377 |
else: |
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fetching.append(t) |
| 379 |
if not threads[t][1].active: |
| 380 |
hashing.append(t) |
| 381 |
elif threads[t][1].downRate == 0: |
| 382 |
stalled.append(t) |
| 383 |
|
| 384 |
stats_up.append("%s\tT:%f\tR:%03.2f\t%s" % (t,threads[t][1].upTotal,threads[t][1].upRate,threads[t][1].activity)) |
| 385 |
stats_down.append("%s\tT:%f\tR:%03.2f\t%s" % (t,threads[t][1].percentDone,threads[t][1].downRate,threads[t][1].activity)) |
| 386 |
|
| 387 |
totalup += threads[t][1].upTotal |
| 388 |
|
| 389 |
rateup += threads[t][1].upRate |
| 390 |
if threads[t][1].upRate > max_up_rate: |
| 391 |
max_up_rate = threads[t][1].upRate |
| 392 |
max_up_file = threads[t][1].file[:] |
| 393 |
if threads[t][1].upRate > absmax_upRate: |
| 394 |
absmax_upRate = threads[t][1].upRate |
| 395 |
absmax_upFile = threads[t][1].file[:] |
| 396 |
|
| 397 |
ratedown += threads[t][1].downRate |
| 398 |
if threads[t][1].downRate > max_down_rate: |
| 399 |
max_down_rate = threads[t][1].downRate |
| 400 |
max_down_file = threads[t][1].file[:] |
| 401 |
|
| 402 |
if stats: |
| 403 |
if rotate_logs: |
| 404 |
filename = "bt_daemon-%d-%04d.stats" % (os.getpid(),loop_val) |
| 405 |
makenew = 1 |
| 406 |
else: |
| 407 |
filename = "bt_daemon-%d.stats" % (os.getpid()) |
| 408 |
makenew = 0 |
| 409 |
writemsg("",filename,overwrite=makenew) |
| 410 |
writemsg("Stats: %s" % (ctime()) ,filename) |
| 411 |
writemsg("Seeding: %d" % (len(completed)) ,filename) |
| 412 |
writemsg("Fetching: %d/%d (stalled: %d) (hashing: %d)" % (len(fetching),max_fetches,len(stalled),len(hashing)),filename) |
| 413 |
writemsg("Total up: %.3f MB" % (totalup) ,filename) |
| 414 |
writemsg("UpRate: %.2f k/s" % (rateup) ,filename) |
| 415 |
writemsg("UpMaxNow: %.2f k/s '%s'" % (max_up_rate,max_up_file) ,filename) |
| 416 |
writemsg("UpAbsMax: %.2f k/s '%s'" % (absmax_upRate,absmax_upFile) ,filename) |
| 417 |
writemsg("DownRate: %.2f k/s" % (ratedown) ,filename) |
| 418 |
writemsg("DownBest: %.2f k/s '%s'" % (max_down_rate,max_down_file) ,filename) |
| 419 |
writemsg("",filename) |
| 420 |
|
| 421 |
completed.sort() |
| 422 |
writemsg(string.join(completed, "\n"), filename+".completed", overwrite=1, echo=0) |
| 423 |
hashing.sort() |
| 424 |
writemsg(string.join(hashing, "\n"), filename+".hashing", overwrite=1, echo=0) |
| 425 |
stalled.sort() |
| 426 |
writemsg(string.join(stalled, "\n"), filename+".stalled", overwrite=1, echo=0) |
| 427 |
stats_up.sort() |
| 428 |
writemsg(string.join(stats_up, "\n"), filename+".stats_up", overwrite=1, echo=0) |
| 429 |
stats_down.sort() |
| 430 |
writemsg(string.join(stats_down, "\n"), filename+".stats_down", overwrite=1, echo=0) |
| 431 |
|
| 432 |
for t in torrents: |
| 433 |
# Start threads up if we have load free for them. Startup is harsh. |
| 434 |
if len(fetching) >= max_fetches: |
| 435 |
continue |
| 436 |
if t not in threads.keys() and (max_starting_threads - len(hashing) > 0): |
| 437 |
hashing.append(t) |
| 438 |
while t in noticed_newfiles: |
| 439 |
del noticed_newfiles[noticed_newfiles.index(t)] |
| 440 |
print "Starting torrent [%s]: %s" % (ctime(),t) |
| 441 |
h = HeadlessDisplayer() |
| 442 |
try: |
| 443 |
if not os.path.isdir(file_base+"/"+os.path.dirname(t)): |
| 444 |
os.makedirs(file_base+"/"+os.path.dirname(t)) |
| 445 |
download_args = [ |
| 446 |
# responsefile -> Torrent filename |
| 447 |
'--responsefile', torrent_base+"/"+t+".torrent", |
| 448 |
# saveas -> Real filename |
| 449 |
'--saveas', file_base+"/"+t, |
| 450 |
# max_slice_length -> How much we can send in a single request |
| 451 |
'--max_slice_length', str(max_slice_length), |
| 452 |
# timeout_check_interval -> Time between timeout checks |
| 453 |
'--timeout_check_interval', str(timeout_check_interval), |
| 454 |
# timeout -> How long until we time out a connection |
| 455 |
'--timeout', str(timeout), |
| 456 |
# minport -> Lowest port allowed for files |
| 457 |
'--minport', str(port_min), |
| 458 |
# maxport -> Highest port allowed for files |
| 459 |
'--maxport', str(port_max), |
| 460 |
# request_backlog -> How many requests per pipe do we hold |
| 461 |
'--request_backlog', str(request_backlog), |
| 462 |
# download_slice_size -> How much do we request? |
| 463 |
'--download_slice_size', str(download_slice_size), |
| 464 |
# max_uploads -> How many do we serve out? |
| 465 |
'--max_uploads', str(max_uploads), |
| 466 |
# min_uploads -> When do we switch from random to rare? |
| 467 |
'--min_uploads', str(min_uploads), |
| 468 |
# check_hashes -> Do we check the on-disk files before joining? |
| 469 |
'--check_hashes', str(check_hashes) |
| 470 |
] |
| 471 |
t_thread = Thread(target=download,name="BitTorrent::"+t,args=(download_args, h.chooseFile, h.display, h.finished, h.error, Event(), cols)) |
| 472 |
threads[t] = [t_thread,h] |
| 473 |
t_thread.start() |
| 474 |
sleep(spawn_thread_delay) |
| 475 |
except Exception, e: |
| 476 |
print "Failed to start thread: %s" % (t) |
| 477 |
print "Reason: %s" % (str(e)) |
| 478 |
|
| 479 |
if master_seed: |
| 480 |
for f in new_files: |
| 481 |
if f in torrents: |
| 482 |
print "in torrents:",f |
| 483 |
continue |
| 484 |
# Create the torrents for files that don't have them. |
| 485 |
mystat = os.stat(file_base+"/"+f) |
| 486 |
if mystat[ST_SIZE] < min_file_size: |
| 487 |
print "Too small:",f |
| 488 |
continue |
| 489 |
# only add if it has a size and is not actively modified. |
| 490 |
if (time() - mystat[ST_MTIME]) < minimum_age: |
| 491 |
print "Too new:",f |
| 492 |
continue |
| 493 |
try: |
| 494 |
print "Creating torrent [%s]: %s" % (ctime(),f) |
| 495 |
if not os.path.isdir(torrent_base+"/"+os.path.dirname(f)): |
| 496 |
os.makedirs(torrent_base+"/"+os.path.dirname(f)) |
| 497 |
make_meta_file(file_base+"/"+f,tracker,piece_size_pow2,progress=progress,comment=comment,target=torrent_base+"/"+f+".torrent") |
| 498 |
except Exception, e: |
| 499 |
print "Failed to create torrent: "+str(e) |
| 500 |
|
| 501 |
sleep(cycle_sleep) |
| 502 |
except Exception, e: |
| 503 |
sys.stderr.write("\n\nException caught. Terminating...\n%s\n\n" % e) |
| 504 |
os.kill(0,signal.SIGTERM) |
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