import argparse, time, re, asyncio, functools, base64, random, urllib.parse
from . import proto
from .__doc__ import *
SOCKET_TIMEOUT = 300
PACKET_SIZE = 65536
UDP_LIMIT = 30
DUMMY = lambda s: s
asyncio.StreamReader.read_ = lambda self: self.read(PACKET_SIZE)
asyncio.StreamReader.read_n = lambda self, n: asyncio.wait_for(self.readexactly(n), timeout=SOCKET_TIMEOUT)
asyncio.StreamReader.read_until = lambda self, s: asyncio.wait_for(self.readuntil(s), timeout=SOCKET_TIMEOUT)
class AuthTable(object):
_auth = {}
def __init__(self, remote_ip, authtime):
self.remote_ip = remote_ip
self.authtime = authtime
def authed(self):
return time.time() - self._auth.get(self.remote_ip, 0) <= self.authtime
def set_authed(self):
self._auth[self.remote_ip] = time.time()
async def prepare_ciphers(cipher, reader, writer, bind=None, server_side=True):
if cipher:
cipher.pdecrypt = cipher.pdecrypt2 = cipher.pencrypt = cipher.pencrypt2 = DUMMY
for plugin in cipher.plugins:
if server_side:
await plugin.init_server_data(reader, writer, cipher, bind)
else:
await plugin.init_client_data(reader, writer, cipher)
plugin.add_cipher(cipher)
return cipher(reader, writer, cipher.pdecrypt, cipher.pdecrypt2, cipher.pencrypt, cipher.pencrypt2)
else:
return None, None
def schedule(rserver, salgorithm, host_name):
filter_cond = lambda o: o.alive and (not o.match or o.match(host_name))
if salgorithm == 'fa':
return next(filter(filter_cond, rserver), None)
elif salgorithm == 'rr':
for i, roption in enumerate(rserver):
if filter_cond(roption):
rserver.append(rserver.pop(i))
return roption
elif salgorithm == 'rc':
filters = [i for i in rserver if filter_cond(i)]
return random.choice(filters) if filters else None
elif salgorithm == 'lc':
return min(filter(filter_cond, rserver), default=None, key=lambda i: i.total)
else:
raise Exception('Unknown scheduling algorithm') #Unreachable
async def stream_handler(reader, writer, unix, lbind, protos, rserver, cipher, authtime=86400*30, block=None, salgorithm='fa', verbose=DUMMY, modstat=lambda r,h:lambda i:DUMMY, **kwargs):
try:
if unix:
remote_ip, server_ip, remote_text = 'local', None, 'unix_local'
else:
remote_ip, remote_port, *_ = writer.get_extra_info('peername')
server_ip = writer.get_extra_info('sockname')[0]
remote_text = f'{remote_ip}:{remote_port}'
local_addr = None if server_ip in ('127.0.0.1', '::1', None) else (server_ip, 0)
reader_cipher, _ = await prepare_ciphers(cipher, reader, writer, server_side=False)
lproto, host_name, port, initbuf = await proto.parse(protos, reader=reader, writer=writer, authtable=AuthTable(remote_ip, authtime), reader_cipher=reader_cipher, sock=writer.get_extra_info('socket'), **kwargs)
if host_name == 'echo':
asyncio.ensure_future(lproto.channel(reader, writer, DUMMY, DUMMY))
elif host_name == 'empty':
asyncio.ensure_future(lproto.channel(reader, writer, None, DUMMY))
elif block and block(host_name):
raise Exception('BLOCK ' + host_name)
else:
roption = schedule(rserver, salgorithm, host_name) or ProxyURI.DIRECT
verbose(f'{lproto.name} {remote_text}{roption.logtext(host_name, port)}')
try:
reader_remote, writer_remote = await roption.open_connection(host_name, port, local_addr, lbind)
except asyncio.TimeoutError:
raise Exception(f'Connection timeout {roption.bind}')
try:
reader_remote, writer_remote = await roption.prepare_connection(reader_remote, writer_remote, host_name, port)
writer_remote.write(initbuf)
except Exception:
writer_remote.close()
raise Exception('Unknown remote protocol')
m = modstat(remote_ip, host_name)
lchannel = lproto.http_channel if initbuf else lproto.channel
asyncio.ensure_future(lproto.channel(reader_remote, writer, m(2+roption.direct), m(4+roption.direct)))
asyncio.ensure_future(lchannel(reader, writer_remote, m(roption.direct), roption.connection_change))
except Exception as ex:
if not isinstance(ex, asyncio.TimeoutError) and not str(ex).startswith('Connection closed'):
verbose(f'{str(ex) or "Unsupported protocol"} from {remote_ip}')
try: writer.close()
except Exception: pass
async def reuse_stream_handler(reader, writer, unix, lbind, protos, rserver, urserver, block, cipher, salgorithm, verbose=DUMMY, modstat=lambda r,h:lambda i:DUMMY, **kwargs):
try:
if unix:
remote_ip, server_ip, remote_text = 'local', None, 'unix_local'
else:
remote_ip, remote_port, *_ = writer.get_extra_info('peername')
server_ip = writer.get_extra_info('sockname')[0]
remote_text = f'{remote_ip}:{remote_port}'
local_addr = None if server_ip in ('127.0.0.1', '::1', None) else (server_ip, 0)
reader_cipher, _ = await prepare_ciphers(cipher, reader, writer, server_side=False)
lproto = protos[0]
except Exception as ex:
verbose(f'{str(ex) or "Unsupported protocol"} from {remote_ip}')
async def tcp_handler(reader, writer, host_name, port):
try:
if block and block(host_name):
raise Exception('BLOCK ' + host_name)
roption = schedule(rserver, salgorithm, host_name) or ProxyURI.DIRECT
verbose(f'{lproto.name} {remote_text}{roption.logtext(host_name, port)}')
try:
reader_remote, writer_remote = await roption.open_connection(host_name, port, local_addr, lbind)
except asyncio.TimeoutError:
raise Exception(f'Connection timeout {roption.bind}')
try:
reader_remote, writer_remote = await roption.prepare_connection(reader_remote, writer_remote, host_name, port)
except Exception:
writer_remote.close()
raise Exception('Unknown remote protocol')
m = modstat(remote_ip, host_name)
asyncio.ensure_future(lproto.channel(reader_remote, writer, m(2+roption.direct), m(4+roption.direct)))
asyncio.ensure_future(lproto.channel(reader, writer_remote, m(roption.direct), roption.connection_change))
except Exception as ex:
if not isinstance(ex, asyncio.TimeoutError) and not str(ex).startswith('Connection closed'):
verbose(f'{str(ex) or "Unsupported protocol"} from {remote_ip}')
try: writer.close()
except Exception: pass
async def udp_handler(sendto, data, host_name, port, sid):
try:
if block and block(host_name):
raise Exception('BLOCK ' + host_name)
roption = schedule(urserver, salgorithm, host_name) or ProxyURI.DIRECT
verbose(f'UDP {lproto.name} {remote_text}{roption.logtext(host_name, port)}')
data = roption.prepare_udp_connection(host_name, port, data)
await roption.open_udp_connection(host_name, port, data, sid, sendto)
except Exception as ex:
if not str(ex).startswith('Connection closed'):
verbose(f'{str(ex) or "Unsupported protocol"} from {remote_ip}')
lproto.get_handler(reader, writer, verbose, tcp_handler, udp_handler)
async def datagram_handler(writer, data, addr, protos, urserver, block, cipher, salgorithm, verbose=DUMMY, **kwargs):
try:
remote_ip, remote_port, *_ = addr
remote_text = f'{remote_ip}:{remote_port}'
data = cipher.datagram.decrypt(data) if cipher else data
lproto, host_name, port, data = proto.udp_parse(protos, data, sock=writer.get_extra_info('socket'), **kwargs)
if host_name == 'echo':
writer.sendto(data, addr)
elif host_name == 'empty':
pass
elif block and block(host_name):
raise Exception('BLOCK ' + host_name)
else:
roption = schedule(urserver, salgorithm, host_name) or ProxyURI.DIRECT
verbose(f'UDP {lproto.name} {remote_text}{roption.logtext(host_name, port)}')
data = roption.prepare_udp_connection(host_name, port, data)
def reply(rdata):
rdata = lproto.udp_client2(host_name, port, rdata)
writer.sendto(cipher.datagram.encrypt(rdata) if cipher else rdata, addr)
await roption.open_udp_connection(host_name, port, data, addr, reply)
except Exception as ex:
if not str(ex).startswith('Connection closed'):
verbose(f'{str(ex) or "Unsupported protocol"} from {remote_ip}')
async def check_server_alive(interval, rserver, verbose):
while True:
await asyncio.sleep(interval)
for remote in rserver:
if remote.direct:
continue
try:
_, writer = await remote.open_connection(None, None, None, None)
except Exception as ex:
if remote.alive:
verbose(f'{remote.rproto.name} {remote.bind} -> OFFLINE')
remote.alive = False
continue
if not remote.alive:
verbose(f'{remote.rproto.name} {remote.bind} -> ONLINE')
remote.alive = True
try:
writer.close()
except Exception:
pass
class BackwardConnection(object):
def __init__(self, uri):
self.uri = uri
self.closed = False
self.conn = asyncio.Queue()
self.open_connection = self.conn.get
def close(self):
self.closed = True
try:
self.writer.close()
except Exception:
pass
async def start_server(self, handler):
asyncio.ensure_future(self.server_run(handler))
return self
async def server_run(self, handler):
errwait = 0
while not self.closed:
if self.uri.unix:
wait = asyncio.open_unix_connection(path=self.uri.bind, ssl=self.uri.sslclient, server_hostname='' if self.uri.sslclient else None)
else:
wait = asyncio.open_connection(host=self.uri.host_name, port=self.uri.port, ssl=self.uri.sslclient, local_addr=(self.uri.lbind, 0) if self.uri.lbind else None)
try:
reader, writer = await asyncio.wait_for(wait, timeout=SOCKET_TIMEOUT)
self.writer = writer
data = await reader.read_()
if data:
reader._buffer[0:0] = data
asyncio.ensure_future(handler(reader, writer))
errwait = 0
except Exception as ex:
try:
writer.close()
except Exception:
pass
if not self.closed:
await asyncio.sleep(errwait)
errwait = errwait*1.3 + 0.1
def client_run(self):
async def handler(reader, writer):
while not self.conn.empty():
r, w = await self.conn.get()
try: w.close()
except Exception: pass
await self.conn.put((reader, writer))
if self.uri.unix:
return asyncio.start_unix_server(handler, path=self.uri.bind, ssl=self.uri.sslserver)
else:
return asyncio.start_server(handler, host=self.uri.host_name, port=self.uri.port, ssl=self.uri.sslserver)
class ProxyURI(object):
def __init__(self, **kw):
self.__dict__.update(kw)
self.total = 0
self.udpmap = {}
self.handler = None
self.streams = None
if self.backward:
self.backward = BackwardConnection(self)
def logtext(self, host, port):
if self.direct:
return f' -> {host}:{port}'
elif self.tunnel:
return f' ->{(" ssl" if self.sslclient else "")} {self.bind}'
else:
return f' -> {self.rproto.name+("+ssl" if self.sslclient else "")} {self.bind}' + self.relay.logtext(host, port)
def connection_change(self, delta):
self.total += delta
async def open_udp_connection(self, host, port, data, addr, reply):
class Protocol(asyncio.DatagramProtocol):
def __init__(prot, data):
self.udpmap[addr] = prot
prot.databuf = [data]
prot.transport = None
prot.update = 0
def connection_made(prot, transport):
prot.transport = transport
for data in prot.databuf:
transport.sendto(data)
prot.databuf.clear()
prot.update = time.perf_counter()
def new_data_arrived(prot, data):
if prot.transport:
prot.transport.sendto(data)
else:
prot.databuf.append(data)
prot.update = time.perf_counter()
def datagram_received(prot, data, addr):
data = self.cipher.datagram.decrypt(data) if self.cipher else data
data = self.rproto.udp_client(data) if not self.direct else data
reply(data)
prot.update = time.perf_counter()
def connection_lost(prot, exc):
self.udpmap.pop(addr, None)
if addr in self.udpmap:
self.udpmap[addr].new_data_arrived(data)
else:
if self.direct and host == 'tunnel':
raise Exception('Unknown tunnel endpoint')
self.connection_change(1)
if len(self.udpmap) > UDP_LIMIT:
min_addr = min(self.udpmap, key=lambda x: self.udpmap[x].update)
prot = self.udpmap.pop(min_addr)
if prot.transport:
prot.transport.close()
prot = Protocol(data)
remote_addr = (host, port) if self.direct else (self.host_name, self.port)
await asyncio.get_event_loop().create_datagram_endpoint(lambda: prot, remote_addr=remote_addr)
def prepare_udp_connection(self, host, port, data):
if not self.direct:
data = self.relay.prepare_udp_connection(host, port, data)
whost, wport = (host, port) if self.relay.direct else (self.relay.host_name, self.relay.port)
data = self.rproto.udp_connect(rauth=self.auth, host_name=whost, port=wport, data=data)
if self.cipher:
data = self.cipher.datagram.encrypt(data)
return data
def start_udp_server(self, args):
class Protocol(asyncio.DatagramProtocol):
def connection_made(prot, transport):
prot.transport = transport
def datagram_received(prot, data, addr):
asyncio.ensure_future(datagram_handler(prot.transport, data, addr, **vars(self), **args))
return asyncio.get_event_loop().create_datagram_endpoint(Protocol, local_addr=(self.host_name, self.port))
async def open_connection(self, host, port, local_addr, lbind):
if self.reuse:
if self.streams is None or self.streams.done() and not self.handler:
self.streams = asyncio.get_event_loop().create_future()
else:
if not self.streams.done():
await self.streams
return self.streams.result()
try:
if self.direct:
if host == 'tunnel':
raise Exception('Unknown tunnel endpoint')
local_addr = local_addr if lbind == 'in' else (lbind, 0) if lbind else None
wait = asyncio.open_connection(host=host, port=port, local_addr=local_addr)
elif self.backward:
wait = self.backward.open_connection()
elif self.unix:
wait = asyncio.open_unix_connection(path=self.bind, ssl=self.sslclient, server_hostname='' if self.sslclient else None)
else:
local_addr = local_addr if self.lbind == 'in' else (self.lbind, 0) if self.lbind else None
wait = asyncio.open_connection(host=self.host_name, port=self.port, ssl=self.sslclient, local_addr=local_addr)
reader, writer = await asyncio.wait_for(wait, timeout=SOCKET_TIMEOUT)
except Exception as ex:
if self.reuse:
self.streams.set_exception(ex)
self.streams = None
raise
return reader, writer
def prepare_connection(self, reader_remote, writer_remote, host, port):
if self.reuse and not self.handler:
self.handler = self.rproto.get_handler(reader_remote, writer_remote, DUMMY)
return self.prepare_ciphers_and_headers(reader_remote, writer_remote, host, port, self.handler)
async def prepare_ciphers_and_headers(self, reader_remote, writer_remote, host, port, handler):
if not self.direct:
if not handler or not handler.ready:
_, writer_cipher_r = await prepare_ciphers(self.cipher, reader_remote, writer_remote, self.bind)
else:
writer_cipher_r = None
whost, wport = (host, port) if self.relay.direct else (self.relay.host_name, self.relay.port)
if self.rproto.reuse():
if not self.streams.done():
self.streams.set_result((reader_remote, writer_remote))
reader_remote, writer_remote = handler.connect(whost, wport)
else:
await self.rproto.connect(reader_remote=reader_remote, writer_remote=writer_remote, rauth=self.auth, host_name=whost, port=wport, writer_cipher_r=writer_cipher_r, myhost=self.host_name, sock=writer_remote.get_extra_info('socket'))
return await self.relay.prepare_ciphers_and_headers(reader_remote, writer_remote, host, port, handler)
return reader_remote, writer_remote
def start_server(self, args):
handler = functools.partial(reuse_stream_handler if self.reuse else stream_handler, **vars(self), **args)
if self.backward:
return self.backward.start_server(handler)
elif self.unix:
return asyncio.start_unix_server(handler, path=self.bind, ssl=self.sslserver)
else:
return asyncio.start_server(handler, host=self.host_name, port=self.port, ssl=self.sslserver, reuse_port=args.get('ruport'))
async def tcp_connect(self, host, port, local_addr=None, lbind=None):
reader, writer = await self.open_connection(host, port, local_addr, lbind)
try:
reader, writer = await self.prepare_connection(reader, writer, host, port)
except Exception:
writer.close()
raise
return reader, writer
async def udp_sendto(self, host, port, data, answer_cb, local_addr=None):
if local_addr is None:
local_addr = random.randrange(2**32)
data = self.prepare_udp_connection(host, port, data)
await self.open_udp_connection(host, port, data, local_addr, answer_cb)
@classmethod
def compile_rule(cls, filename):
with open(filename) as f:
return re.compile('(:?'+''.join('|'.join(i.strip() for i in f if i.strip() and not i.startswith('#')))+')$').match
@classmethod
def compile_relay(cls, uri):
tail = cls.DIRECT
for urip in reversed(uri.split('__')):
tail = cls.compile(urip, tail)
return tail
@classmethod
def compile(cls, uri, relay=None):
scheme, _, uri = uri.partition('://')
url = urllib.parse.urlparse('s://'+uri)
rawprotos = scheme.split('+')
err_str, protos = proto.get_protos(rawprotos)
if err_str:
raise argparse.ArgumentTypeError(err_str)
if 'ssl' in rawprotos or 'secure' in rawprotos:
import ssl
sslserver = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
sslclient = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
if 'ssl' in rawprotos:
sslclient.check_hostname = False
sslclient.verify_mode = ssl.CERT_NONE
else:
sslserver = sslclient = None
protonames = [i.name for i in protos]
if 'pack' in protonames and relay and relay != cls.DIRECT:
raise argparse.ArgumentTypeError('pack protocol cannot relay to other proxy')
urlpath, _, plugins = url.path.partition(',')
urlpath, _, lbind = urlpath.partition('@')
plugins = plugins.split(',') if plugins else None
cipher, _, loc = url.netloc.rpartition('@')
if cipher:
from .cipher import get_cipher
if ':' not in cipher:
try:
cipher = base64.b64decode(cipher).decode()
except Exception:
pass
if ':' not in cipher:
raise argparse.ArgumentTypeError('userinfo must be "cipher:key"')
err_str, cipher = get_cipher(cipher)
if err_str:
raise argparse.ArgumentTypeError(err_str)
if plugins:
from .plugin import get_plugin
for name in plugins:
if not name: continue
err_str, plugin = get_plugin(name)
if err_str:
raise argparse.ArgumentTypeError(err_str)
cipher.plugins.append(plugin)
match = cls.compile_rule(url.query) if url.query else None
if loc:
host_name, _, port = loc.partition(':')
port = int(port) if port else 8080
else:
host_name = port = None
return ProxyURI(protos=protos, rproto=protos[0], cipher=cipher, auth=url.fragment.encode(), \
match=match, bind=loc or urlpath, host_name=host_name, port=port, \
unix=not loc, lbind=lbind, sslclient=sslclient, sslserver=sslserver, \
alive=True, direct='direct' in protonames, tunnel='tunnel' in protonames, \
reuse='pack' in protonames or relay and relay.reuse, backward='in' in rawprotos, relay=relay)
ProxyURI.DIRECT = ProxyURI(direct=True, tunnel=False, reuse=False, relay=None, alive=True, match=None, cipher=None, backward=None)
async def test_url(url, rserver):
url = urllib.parse.urlparse(url)
assert url.scheme in ('http', ), f'Unknown scheme {url.scheme}'
host_name, _, port = url.netloc.partition(':')
port = int(port) if port else 80 if url.scheme == 'http' else 443
initbuf = f'GET {url.path or "/"} HTTP/1.1\r\nHost: {host_name}\r\nUser-Agent: pproxy-{__version__}\r\nConnection: close\r\n\r\n'.encode()
for roption in rserver:
print(f'============ {roption.bind} ============')
try:
reader, writer = await roption.open_connection(host_name, port, None, None)
except asyncio.TimeoutError:
raise Exception(f'Connection timeout {rserver}')
try:
reader, writer = await roption.prepare_connection(reader, writer, host_name, port)
except Exception:
writer.close()
raise Exception('Unknown remote protocol')
writer.write(initbuf)
headers = await reader.read_until(b'\r\n\r\n')
print(headers.decode()[:-4])
print(f'--------------------------------')
body = bytearray()
while 1:
s = await reader.read_()
if not s:
break
body.extend(s)
print(body.decode())
print(f'============ success ============')
def main():
parser = argparse.ArgumentParser(description=__description__+'\nSupported protocols: http,socks4,socks5,shadowsocks,shadowsocksr,redirect,pf,tunnel', epilog=f'Online help: <{__url__}>')
parser.add_argument('-l', dest='listen', default=[], action='append', type=ProxyURI.compile, help='tcp server uri (default: http+socks4+socks5://:8080/)')
parser.add_argument('-r', dest='rserver', default=[], action='append', type=ProxyURI.compile_relay, help='tcp remote server uri (default: direct)')
parser.add_argument('-ul', dest='ulisten', default=[], action='append', type=ProxyURI.compile, help='udp server setting uri (default: none)')
parser.add_argument('-ur', dest='urserver', default=[], action='append', type=ProxyURI.compile_relay, help='udp remote server uri (default: direct)')
parser.add_argument('-b', dest='block', type=ProxyURI.compile_rule, help='block regex rules')
parser.add_argument('-a', dest='alived', default=0, type=int, help='interval to check remote alive (default: no check)')
parser.add_argument('-s', dest='salgorithm', default='fa', choices=('fa', 'rr', 'rc', 'lc'), help='scheduling algorithm (default: first_available)')
parser.add_argument('-v', dest='v', action='count', help='print verbose output')
parser.add_argument('--ssl', dest='sslfile', help='certfile[,keyfile] if server listen in ssl mode')
parser.add_argument('--pac', help='http PAC path')
parser.add_argument('--get', dest='gets', default=[], action='append', help='http custom {path,file}')
parser.add_argument('--auth', dest='authtime', type=int, default=86400*30, help='re-auth time interval for same ip (default: 86400*30)')
parser.add_argument('--sys', action='store_true', help='change system proxy setting (mac, windows)')
parser.add_argument('--reuse', dest='ruport', action='store_true', help='set SO_REUSEPORT (Linux only)')
parser.add_argument('--test', help='test this url for all remote proxies and exit')
parser.add_argument('--version', action='version', version=f'%(prog)s {__version__}')
args = parser.parse_args()
if args.test:
asyncio.get_event_loop().run_until_complete(test_url(args.test, args.rserver))
return
if not args.listen and not args.ulisten:
args.listen.append(ProxyURI.compile_relay('http+socks4+socks5://:8080/'))
args.httpget = {}
if args.pac:
pactext = 'function FindProxyForURL(u,h){' + (f'var b=/^(:?{args.block.__self__.pattern})$/i;if(b.test(h))return "";' if args.block else '')
for i, option in enumerate(args.rserver):
pactext += (f'var m{i}=/^(:?{option.match.__self__.pattern})$/i;if(m{i}.test(h))' if option.match else '') + 'return "PROXY %(host)s";'
args.httpget[args.pac] = pactext+'return "DIRECT";}'
args.httpget[args.pac+'/all'] = 'function FindProxyForURL(u,h){return "PROXY %(host)s";}'
args.httpget[args.pac+'/none'] = 'function FindProxyForURL(u,h){return "DIRECT";}'
for gets in args.gets:
path, filename = gets.split(',', 1)
with open(filename, 'rb') as f:
args.httpget[path] = f.read()
if args.sslfile:
sslfile = args.sslfile.split(',')
for option in args.listen:
if option.sslclient:
option.sslclient.load_cert_chain(*sslfile)
option.sslserver.load_cert_chain(*sslfile)
elif any(map(lambda o: o.sslclient, args.listen)):
print('You must specify --ssl to listen in ssl mode')
return
loop = asyncio.get_event_loop()
if args.v:
from . import verbose
verbose.setup(loop, args)
servers = []
for option in args.listen:
print('Serving on', option.bind, 'by', ",".join(i.name for i in option.protos) + ('(SSL)' if option.sslclient else ''), '({}{})'.format(option.cipher.name, ' '+','.join(i.name() for i in option.cipher.plugins) if option.cipher and option.cipher.plugins else '') if option.cipher else '')
try:
server = loop.run_until_complete(option.start_server(vars(args)))
servers.append(server)
except Exception as ex:
print('Start server failed.\n\t==>', ex)
for option in args.ulisten:
print('Serving on UDP', option.bind, 'by', ",".join(i.name for i in option.protos), f'({option.cipher.name})' if option.cipher else '')
try:
server, protocol = loop.run_until_complete(option.start_udp_server(vars(args)))
servers.append(server)
except Exception as ex:
print('Start server failed.\n\t==>', ex)
for option in args.rserver:
if option.backward:
print('Serving on', option.bind, 'backward by', ",".join(i.name for i in option.protos) + ('(SSL)' if option.sslclient else ''), '({}{})'.format(option.cipher.name, ' '+','.join(i.name() for i in option.cipher.plugins) if option.cipher and option.cipher.plugins else '') if option.cipher else '')
try:
server = loop.run_until_complete(option.backward.client_run())
servers.append(server)
except Exception as ex:
print('Start server failed.\n\t==>', ex)
if servers:
if args.sys:
from . import sysproxy
args.sys = sysproxy.setup(args)
if args.alived > 0 and args.rserver:
asyncio.ensure_future(check_server_alive(args.alived, args.rserver, args.verbose if args.v else DUMMY))
try:
loop.run_forever()
except KeyboardInterrupt:
print('exit')
if args.sys:
args.sys.clear()
for task in asyncio.Task.all_tasks():
task.cancel()
for server in servers:
server.close()
for server in servers:
if hasattr(server, 'wait_closed'):
loop.run_until_complete(server.wait_closed())
loop.run_until_complete(loop.shutdown_asyncgens())
loop.close()
if __name__ == '__main__':
main()