代碼如下:
#!/usr/bin/env python
import libtorrent as lt
import sys
import os
import time
from optparse import OptionParser
import socket
import struct
import fcntl
def get_interface_ip(ifname):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
return socket.inet_ntoa(fcntl.ioctl(s.fileno(), 0x8915, struct.pack('256s',
ifname[:15]))[20:24])
def ip2long(ip):
return reduce(lambda a,b:(a<<8)+b,[int(i) for i in ip.split('.')])
def get_wan_ip_address():
interfaces = set(['eth0', 'eth1', 'eth2', 'eth3', 'em1', 'em2', 'em3', 'em4'])
ip = ''
for i in interfaces:
try:
ip = get_interface_ip(i)
if (ip2long(ip) < ip2long('10.0.0.0') or ip2long(ip) > ip2long('10.255.255.255')) \
and (ip2long(ip) < ip2long('172.16.0.0') or ip2long(ip) > ip2long('172.33.255.255')) \
and (ip2long(ip) < ip2long('192.168.0.0') or ip2long(ip) > ip2long('192.168.255.255')):
return ip
except:
pass
return ip
def make_torrent(path, save):
fs = lt.file_storage()
lt.add_files(fs, path)
if fs.num_files() == 0:
print 'no files added'
sys.exit(1)
input = os.path.abspath(path)
basename = os.path.basename(path)
t = lt.create_torrent(fs, 0, 4 * 1024 * 1024)
t.add_tracker("http://10.0.1.5:8760/announce")
t.set_creator('libtorrent %s' % lt.version)
lt.set_piece_hashes(t, os.path.split(input)[0], lambda x: sys.stderr.write('.'))
sys.stderr.write('\n')
save = os.path.dirname(input)
save = "%s/%s.torrent" % (save, basename)
f=open(save, "wb")
f.write(lt.bencode(t.generate()))
f.close()
print "the bt torrent file is store at %s" % save
def dl_status(handle):
while not (handle.is_seed()):
s = handle.status()
state_str = ['queued', 'checking', 'downloading metadata', \
'downloading', 'finished', 'seeding', 'allocating', 'checking fastresume']
print '\ractive_time: %d, %.2f%% complete (down: %.1f kb/s up: %.1f kB/s peers: %d, seeds: %d) %s' % \
(s.active_time, s.progress * 100, s.download_rate / 1000, s.upload_rate / 1000, \
s.num_peers, s.num_seeds, state_str[s.state]),
sys.stdout.flush()
time.sleep(1)
def seed_status(handle, seedtime=100):
seedtime = int(seedtime)
if seedtime < 100:
seedtime = 100
while seedtime > 0:
seedtime -= 1
s = handle.status()
state_str = ['queued', 'checking', 'downloading metadata', \
'downloading', 'finished', 'seeding', 'allocating', 'checking fastresume']
print '\rseed_time: %d, %.2f%% complete (down: %.1f kb/s up: %.1f kB/s peers: %d, seeds: %d) %s' % \
(s.active_time, s.progress * 100, s.download_rate / 1000, s.upload_rate / 1000, \
s.num_peers, s.num_seeds, state_str[s.state]),
sys.stdout.flush()
time.sleep(1)
def remove_torrents(torrent, session):
session.remove_torrent(torrent)
def read_alerts(session):
alert = session.pop_alert()
while alert:
#print alert, alert.message()
alert = session.pop_alert()
def download(torrent, path, upload_rate_limit=0, seedtime=100):
try:
session = lt.session()
session.set_alert_queue_size_limit(1024 * 1024)
sts = lt.session_settings()
sts.ssl_listen = False
sts.user_agent = "Thunder deploy system"
sts.tracker_completion_timeout = 5
sts.tracker_receive_timeout = 5
sts.stop_tracker_timeout = 5
sts.active_downloads = -1
sts.active_seeds = -1
sts.active_limit = -1
sts.auto_scrape_min_interval = 5
sts.udp_tracker_token_expiry = 120
sts.min_announce_interval = 1
sts.inactivity_timeout = 60
sts.connection_speed = 10
sts.allow_multiple_connections_per_ip = True
sts.max_out_request_queue = 128
sts.request_queue_size = 3
sts.use_read_cache = False
session.set_settings(sts)
session.set_alert_mask(lt.alert.category_t.tracker_notification | lt.alert.category_t.status_notification)
session.set_alert_mask(lt.alert.category_t.status_notification)
ipaddr = get_wan_ip_address()
#print ipaddr
if ipaddr == "":
session.listen_on(6881, 6881)
else:
session.listen_on(6881, 6881, ipaddr)
limit = int(upload_rate_limit)
if limit>=100:
session.set_upload_rate_limit(limit*1024)
session.set_local_upload_rate_limit(limit*1024)
print session.upload_rate_limit()
torrent_info = lt.torrent_info(torrent)
add_params = {
'save_path': path,
'storage_mode': lt.storage_mode_t.storage_mode_sparse,
'paused': False,
'auto_managed': True,
'ti': torrent_info,
}
handle = session.add_torrent(add_params)
read_alerts(session)
st = time.time()
dl_status(handle)
et = time.time() - st
print '\nall file download in %.2f\nstart to seeding\n' % et
sys.stdout.write('\n')
handle.super_seeding()
seed_status(handle, seedtime)
remove_torrents(handle, session)
assert len(session.get_torrents()) == 0
finally:
print 'download finished'
if __name__ == '__main__': parser = OptionParser(usage=usage)
usage = "usage: %prog [options] \n \
%prog -d -f
or \n \
%prog -m -p
parser.add_option("-d", "--download", dest="download",
help="start to download file", action="store_false", default=True)
parser.add_option("-f", "--file", dest="file",
help="torrent file")
parser.add_option("-u", "--upload", dest="upload",
help="set upload rate limit, default is not limit", default=0)
parser.add_option("-t", "--time", dest="time",
help="set seed time, default is 100s", default=100)
parser.add_option("-p", "--path", dest="path",
help="to make torrent with this path")
parser.add_option("-m", "--make", dest="make",
help="make torrent", action="store_false", default=True)
parser.add_option("-s", "--save", dest="save",
help="file save path, default is store to ./", default="./")
(options, args) = parser.parse_args()
#download(sys.argv[1])
if len(sys.argv) != 6 and len(sys.argv) != 4 and len(sys.argv) != 8 and len(sys.argv) != 10:
parser.print_help()
sys.exit()
if options.download == False and options.file !="":
download(options.file, options.save, options.upload, options.time)
elif options.make == False and options.path != "":
make_torrent(options.path, options.save)
準備環(huán)境:
需要在所有的os上面安裝一個libtorrent的庫,下載地址:
http://code.google.com/p/libtorrent/downloads/list
記得編譯的時候帶上./configure –enable-python-binding,然后mak,make install,進入binding目錄,make,make install就
可以運行這個小的工具
當(dāng)然大規(guī)模部署不可能采用每一臺都去編譯安裝的方式,只要把編譯出來的libtorrent.so libtorrent-rasterbar.so.7的文件跟bt.py這個文件放到同一個目錄,另外寫一個shell腳本
代碼如下:
lib=`dirname $0`
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$lib
python bt.py -d -f <種子文件> -s <文件保存路徑> -t <做種時間> -u <限制上傳速度>
使用方法:
首先在源服務(wù)器上面生成種子文件
代碼如下:
python bt.py -m -p <要發(fā)布的文件或者文件夾> -s <種子保存地址>
代碼如下:
python bt.py -d -f <種子文件> -s <文件保存路徑> -t <做種時間> -u <限制上傳速度>
下面的機器,直接可以
代碼如下:
python bt.py -d -f <種子文件> -s <文件保存路徑> -t <做種時間>
只要有一臺機器完成了,就自動作為種子,在下載的過程中也會上傳,任何一臺機器都可以作為源服務(wù)器,當(dāng)然了這里面還有中心的tracker服務(wù)器,腳本當(dāng)中,我搭建了一個tracker源服務(wù)器,放到10.0.1.5端口是8760上面,當(dāng)然大家也可以采用opentracker這個軟件自己搭建一個tracker服務(wù)器,修改其中的源代碼對應(yīng)部分,另外考慮到發(fā)布都是私有文件,代碼當(dāng)作已經(jīng)禁止了dht,如果還想更安全,就自己搭建一個私有的tracker server,具體搭建方法就使用一下搜索引擎,查找一下搭建的方法!
目前基本做到可以使用,后續(xù)考慮更簡單一點,采用磁力鏈接的方式,這樣就可以做到不用每臺都要拷貝一個種子文件,采用一個單獨的命令行就可以發(fā)布整個文件
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