p2p source

[loginrl__103]

интересуют исходники (пусть старьё, слабый функционал, глючный) p2p софта/ботов/чатов(маленьких и с шифровокй(желательно), sf.net пока что мусором кормит))...уточню - общающихся через р2р...)

пс трешовые генераторы не предлагать)

[Евдоким]

Одна из самых маленьких P2P приложений. Написано на Python.

# simplep2p.py v1.1 (C) 2004, Richard Jones
# with litle touch from Leonardo Santagada
# A slightly more readable version of tinyp2p.py (C) 2004, E.W. Felten
# (also handles binary transmissions now too)
# license: http://creativecommons.org/licenses/by-nc-sa/2.0
# Usage:
# python simplep2p.py password server hostname portnum [otherurl]
# or
# python simplep2p.py password client serverurl pattern
import os, SimpleXMLRPCServer, re, hmac, sets, base64
from sys import argv
from xmlrpclib import ServerProxy

def gen_password(url):
return hmac.new(argv[1], url).hexdigest()
def ls(pat=""):
''' List the files in the current working directory that optionall match
a regular expression "pat". '''
return [fn for fn in os.listdir(os.getcwd())
if not pat or re.search(pat, fn)]

if argv[2] == "server":
my_url = "http://"+argv[3]+":"+argv[4]

# keep a list of servers we know about
servers = sets.Set([my_url] + argv[5:])
def update_servers(new_servers=[]):
servers.union_update(sets.Set(new_servers))
return list(servers)
def discover(other_url):
if other_url == my_url: return servers
pw = gen_password(other_url)
server = ServerProxy(other_url)
return update_servers(server.list_servers(pw, update_servers()))

# ask all our known servers about the servers *they* know about
if servers: [discover(url) for url in list(servers)]

# serve up the files
def list_servers(password, arg=[]):
if password == gen_password(my_url):
return update_servers(arg)
def list_files(password, arg):
if password == gen_password(my_url):
return ls(arg)
def get_file(password, arg):
if password == gen_password(my_url):
f = file(arg)
try:
return base64.encodestring(f.read())
finally:
f.close()
server = SimpleXMLRPCServer.SimpleXMLRPCServer((argv[3], int(argv[4])))
server.register_function(list_servers)
server.register_function(list_files)
server.register_function(get_file)
server.serve_forever()

# client - contact our server
for url in ServerProxy(argv[3]).list_servers(gen_password(argv[3])):
# ask for the files we want, that we don't already have
files = sets.Set(ServerProxy(url).list_files(gen_password( url), argv[4]))
my_files = sets.Set(ls())
for fn in files - my_files:
# and fetch
c = ServerProxy(url).get_file(gen_password(url), fn)
f = file(fn, "wb")
f.write(base64.decodestring(c))
f.close()