def new_server(self, port, user_config):
ret = True
port = int(port)
ipv6_ok = False
if 'server_ipv6' in self.config:
if port in self.tcp_ipv6_servers_pool:
logging.info("server already at %s:%d" % (self.config['server_ipv6'], port))
return 'this port server is already running'
else:
a_config = self.config.copy()
a_config.update(user_config)
if len(a_config['server_ipv6']) > 2 and a_config['server_ipv6'][0] == "[" and a_config['server_ipv6'][-1] == "]":
a_config['server_ipv6'] = a_config['server_ipv6'][1:-1]
a_config['server'] = a_config['server_ipv6']
a_config['server_port'] = port
a_config['max_connect'] = 128
a_config['method'] = common.to_str(a_config['method'])
try:
logging.info("starting server at [%s]:%d" % (common.to_str(a_config['server']), port))
tcp_server = tcprelay.TCPRelay(a_config, self.dns_resolver, False, stat_counter=self.stat_counter)
tcp_server.add_to_loop(self.loop)
self.tcp_ipv6_servers_pool.update({port: tcp_server})
udp_server = udprelay.UDPRelay(a_config, self.dns_resolver, False, stat_counter=self.stat_counter)
udp_server.add_to_loop(self.loop)
self.udp_ipv6_servers_pool.update({port: udp_server})
if common.to_str(a_config['server_ipv6']) == "::":
ipv6_ok = True
except Exception as e:
logging.warn("IPV6 %s " % (e,))
if 'server' in self.config:
if port in self.tcp_servers_pool:
logging.info("server already at %s:%d" % (common.to_str(self.config['server']), port))
return 'this port server is already running'
else:
a_config = self.config.copy()
a_config.update(user_config)
a_config['server_port'] = port
a_config['max_connect'] = 128
a_config['method'] = common.to_str(a_config['method'])
try:
logging.info("starting server at %s:%d" % (common.to_str(a_config['server']), port))
tcp_server = tcprelay.TCPRelay(a_config, self.dns_resolver, False)
tcp_server.add_to_loop(self.loop)
self.tcp_servers_pool.update({port: tcp_server})
udp_server = udprelay.UDPRelay(a_config, self.dns_resolver, False)
udp_server.add_to_loop(self.loop)
self.udp_servers_pool.update({port: udp_server})
except Exception as e:
if not ipv6_ok:
logging.warn("IPV4 %s " % (e,))
return True
def new_server(self, port, user_config):
port = int(port)
if 'server' in self.config:
if port in self.tcp_servers_pool:
logging.info("server already at %s:%d" %
(common.to_str(self.config['server']), port))
return 'this port server is already running'
else:
a_config = self.config.copy()
a_config.update(user_config)
a_config['server_port'] = port
a_config['max_connect'] = 128
a_config['method'] = common.to_str(a_config['method'])
try:
logging.info("starting server at %s:%d" %
(common.to_str(a_config['server']), port))
tcp_server = tcprelay.TCPRelay(a_config, self.dns_resolver,
False)
tcp_server.add_to_loop(self.loop)
self.tcp_servers_pool.update({port: tcp_server})
udp_server = udprelay.UDPRelay(a_config, self.dns_resolver,
False)
udp_server.add_to_loop(self.loop)
self.udp_servers_pool.update({port: udp_server})
except Exception as e:
logging.warn("IPV4 %s " % (e, ))
return True
def handler():
config = {
"password": password,
"method": crypt_name,
"server_port": port,
"timeout": 60,
"server": "::",
"fast_open": False
}
try:
loop = eventloop.EventLoop()
dns_resolver = asyncdns.DNSResolver()
tcp_server = tcprelay.TCPRelay(config,
dns_resolver,
False,
stat_callback=call_back)
udp_server = udprelay.UDPRelay(config, dns_resolver, False)
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
loop.run()
except IOError as e:
if e.errno == 98:
sys.exit(1)
except Exception as e:
shell.print_exception(e)
sys.exit(1)
def main():
shell.check_python()
config = shell.get_config(False)
daemon.daemon_exec(config)
if config['port_password']:
if config['password']:
logging.warn('warning: port_password should not be used with '
'server_port and password. server_port and password '
'will be ignored')
else:
config['port_password'] = {}
server_port = config['server_port']
if type(server_port) == list:
for a_server_port in server_port:
config['port_password'][a_server_port] = config['password']
else:
config['port_password'][str(server_port)] = config['password']
tcp_servers = []
udp_servers = []
dns_resolver = asyncdns.DNSResolver()
for port, password in config['port_password'].items():
a_config = config.copy()
a_config['server_port'] = int(port)
a_config['password'] = password
logging.info("starting server at %s:%d" %
(a_config['server'], int(port)))
tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False))
udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False))
def run_server():
def child_handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
list(
map(lambda s: s.close(next_tick=True),
tcp_servers + udp_servers))
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
child_handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
try:
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
daemon.set_user(config.get('user', None))
loop.run()
except Exception as e:
shell.print_exception(e)
sys.exit(1)
run_server()
def main():
shell.check_python()
# fix py2exe
if hasattr(sys, "frozen") and sys.frozen in \
("windows_exe", "console_exe"):
p = os.path.dirname(os.path.abspath(sys.executable))
os.chdir(p)
config = shell.get_config(True)
daemon.daemon_exec(config)
logging.info("starting local at %s:%d" %
(config['local_address'], config['local_port']))
dns_resolver = asyncdns.DNSResolver()
tcp_server = tcprelay.TCPRelay(config, dns_resolver, True)
udp_server = udprelay.UDPRelay(config, dns_resolver, True)
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
def handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
tcp_server.close(next_tick=True)
udp_server.close(next_tick=True)
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM), handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
daemon.set_user(config.get('user', None))
loop.run()
def deployProxy(configs, index):
config = configs[index]
try:
logging.info("starting local at %s:%d" %
(config['local_address'], config['local_port']))
dns_resolver = asyncdns.DNSResolver()
tcp_server = tcprelay.TCPRelay(config, dns_resolver, True)
udp_server = udprelay.UDPRelay(config, dns_resolver, True)
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
def handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
tcp_server.close(next_tick=True)
udp_server.close(next_tick=True)
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM), handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
daemon.set_user(config.get('user', None))
loop.run()
except Exception as e:
raise
def __init__(self, ssconfig, thread_num=0, timeout=1.0):
super(SSThread, self).__init__()
self.ssconfig = ssconfig
self.loop = eventloop.EventLoop()
self.dns_resolver = asyncdns.DNSResolver()
self.tcp_server = tcprelay.TCPRelay(self.ssconfig, self.dns_resolver,
True)
self.udp_server = udprelay.UDPRelay(self.ssconfig, self.dns_resolver,
True)
def main():
# Python 2.6+ or Python3.3+
shell.check_python()
# fix py2exe
if hasattr(sys, "frozen") and sys.frozen in \
("windows_exe", "console_exe"):
p = os.path.dirname(os.path.abspath(sys.executable))
os.chdir(p)
config = shell.get_config(True)
if not config.get('dns_ipv6', False):
asyncdns.IPV6_CONNECTION_SUPPORT = False
# only
daemon.daemon_exec(config)
logging.info(
"local start with protocol[%s] password [%s] method [%s] obfs [%s] obfs_param [%s]"
% (config['protocol'], config['password'], config['method'],
config['obfs'], config['obfs_param']))
try:
logging.info("starting local at %s:%d" %
(config['local_address'], config['local_port']))
# DNS分解器
dns_resolver = asyncdns.DNSResolver()
# TCP服务
tcp_server = tcprelay.TCPRelay(config, dns_resolver, True)
# UDP服务
udp_server = udprelay.UDPRelay(config, dns_resolver, True)
# 将DNS服务、TCP服务、UDP服务加入事件循环
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
def handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
tcp_server.close(next_tick=True)
udp_server.close(next_tick=True)
# 预设信号处理函数，接收到正常的退出信号
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM), handler)
def int_handler(signum, _):
sys.exit(1)
# SIGINT是键盘ctrl + c
signal.signal(signal.SIGINT, int_handler)
daemon.set_user(config.get('user', None))
loop.run()
except Exception as e:
shell.print_exception(e)
sys.exit(1)
def main():
global loop
utils.check_python()
# fix py2exe
if hasattr(sys, "frozen") and sys.frozen in \
("windows_exe", "console_exe"):
p = os.path.dirname(os.path.abspath(sys.executable))
os.chdir(p)
config = utils.get_config(True)
daemon.daemon_exec(config)
utils.print_shadowsocks()
encrypt.try_cipher(config['password'], config['method'])
try:
logging.info("starting local at %s:%d" %
(config['local_address'], config['local_port']))
dns_resolver = asyncdns.DNSResolver()
tcp_server = tcprelay.TCPRelay(config, dns_resolver, True)
udp_server = udprelay.UDPRelay(config, dns_resolver, True)
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
def handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
tcp_server.close(next_tick=True)
udp_server.close(next_tick=True)
# signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM), handler)
def int_handler(signum, _):
sys.exit(1)
# signal.signal(signal.SIGINT, int_handler)
loop.run()
try:
tcp_server.close(next_tick=True)
udp_server.close(next_tick=True)
except:
pass
except (KeyboardInterrupt, IOError, OSError) as e:
import traceback
traceback.print_exc()
logging.error(e)
if config['verbose']:
import traceback
traceback.print_exc()
os._exit(1)
def _start_ss(self):
logging.info("starting local at %s:%d" %
(self.config['local_address'], self.config['local_port']))
print("starting local at %s:%d" %
(self.config['local_address'], self.config['local_port']))
dns_resolver = asyncdns.DNSResolver()
tcp_server = tcprelay.TCPRelay(self.config, dns_resolver, True)
udp_server = udprelay.UDPRelay(self.config, dns_resolver, True)
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
loop.run()
def add_port(self, config):
port = int(config['server_port'])
servers = self._relays.get(port, None)
if servers:
logging.error('server already exists at %s:%d' %
(config['server'], port))
return
logging.info('adding server at %s:%d' % (config['server'], port))
t = tcprelay.TCPRelay(config, self._dns_resolver, False,
self.stat_callback)
u = udprelay.UDPRelay(config, self._dns_resolver, False,
self.stat_callback)
t.add_to_loop(self._loop)
u.add_to_loop(self._loop)
self._relays[port] = (t, u)
def main():
shell.check_python() # 判断python版本
# fix py2exe
# hasattr(object, name) 判断一个对象里面是否有name属性或者name方法，返回BOOL值，有name特性返回True， 否则返回False。
if hasattr(sys, "frozen") and sys.frozen in \
("windows_exe", "console_exe"):
# sys.executable python可执行文件的绝对路径
# os.path.abspath(path) 返回绝对路径
# os.path.dirname(path) 返回文件路径
# os.chdir() 用于改变当前工作目录到指定的路径
p = os.path.dirname(os.path.abspath(sys.executable))
os.chdir(p)
# 获取配置字典，包含每个配置项的具体配置值
config = shell.get_config(True)
# 根据配置文件当中的关键字daemon决定程序是启动/停止/重启
daemon.daemon_exec(config)
try:
logging.info("starting local at %s:%d" %
(config['local_address'], config['local_port']))
dns_resolver = asyncdns.DNSResolver()
tcp_server = tcprelay.TCPRelay(config, dns_resolver, True)
udp_server = udprelay.UDPRelay(config, dns_resolver, True)
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
def handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
tcp_server.close(next_tick=True)
udp_server.close(next_tick=True)
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM), handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
daemon.set_user(config.get('user', None))
loop.run()
except Exception as e:
shell.print_exception(e)
sys.exit(1)
def add_port(self, config):
port = int(config['server_port'])
servers = self._relays.get(port, None)
if servers:
logging.error("Server Exists: P[%d], M[%s], E[%s]" %
(port, config['method'], config['email']))
return
logging.info("Server Added: P[%d], M[%s], E[%s]" %
(port, config['method'], config['email']))
t = tcprelay.TCPRelay(config, self._dns_resolver, False,
self.stat_callback)
u = udprelay.UDPRelay(config, self._dns_resolver, False,
self.stat_callback)
t.add_to_loop(self._loop)
u.add_to_loop(self._loop)
self._relays[port] = (t, u)
def add_server(self, user_config):
config = self._config.copy()
config.update(user_config)
port = int(config['server_port'])
if port in self._relays:
logging.error("server already at %s:%d" % (config['server'], port))
return False
logging.info("add server at %s:%d" % (config['server'], port))
t = tcprelay.TCPRelay(config, self._dns_resolver, False,
self.stat_callback)
u = udprelay.UDPRelay(config, self._dns_resolver, False,
self.stat_callback)
t.add_to_loop(self._loop)
u.add_to_loop(self._loop)
self._relays[port] = (t, u)
return True
def add_port(self, config):
a_config = self._config.copy()
a_config.update(config)
port = int(a_config['server_port'])
servers = self._relays.get(port, None)
if servers:
logging.error("server already exists at %s:%d" % (a_config['server'],port))
return False
logging.info("adding server at %s:%d" % (a_config['server'], port))
t = tcprelay.TCPRelay(a_config, self._dns_resolver, False,
self.stat_callback)
u = udprelay.UDPRelay(a_config, self._dns_resolver, False,
self.stat_callback)
t.add_to_loop(self._loop)
u.add_to_loop(self._loop)
self._relays[port] = (t, u, a_config['username'], a_config['password'], a_config['method'])
return True
def main():
# 检查 python 版本
shell.check_python()
# fix py2exe
if hasattr(sys, "frozen") and sys.frozen in \
("windows_exe", "console_exe"):
p = os.path.dirname(os.path.abspath(sys.executable))
os.chdir(p)
config = shell.get_config(True) # 加载配置文件
daemon.daemon_exec(config) # 读取配置文件是否开启进程守护, 仅在UNIX ,Linux 上有效
try:
logging.info("starting local at %s:%d" %
(config['local_address'], config['local_port']))
dns_resolver = asyncdns.DNSResolver() # 创建dns 查询对象
tcp_server = tcprelay.TCPRelay(config, dns_resolver, True) # 创建 TCP 代理转发对象
udp_server = udprelay.UDPRelay(config, dns_resolver, True) # 创建 UDP 代理转发对象
loop = eventloop.EventLoop() # 创建事件处理对象
# 将dns查询、tcp代理方式转发、udp代理方式转发绑定到事件循环
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
def handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
tcp_server.close(next_tick=True)
udp_server.close(next_tick=True)
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM), handler) # "Ctrl + C" 中断指令
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
daemon.set_user(config.get('user', None))
loop.run() # 开启事件循环
except Exception as e:
shell.print_exception(e)
sys.exit(1)
def run(config):
shell.check_python()
# fix py2exe
if hasattr(sys, "frozen") and sys.frozen in \
("windows_exe", "console_exe"):
p = os.path.dirname(os.path.abspath(sys.executable))
os.chdir(p)
logging.info("starting local at %s:%d" %
(config['local_address'], config['local_port']))
dns_resolver = asyncdns.DNSResolver()
tcp_server = tcprelay.TCPRelay(config, dns_resolver, True)
udp_server = udprelay.UDPRelay(config, dns_resolver, True)
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
loop.run()
def add_port(self, config):
port = int(config['server_port'])
servers = self._relays.get(port, None)
if servers:
logging.error("Server Exists: P[%d], M[%s], E[%s]" % (
port, config['method'], config['email']))
return
# Check if AEAD cipher is enforced
if config['aead_enforcement'] and config['method'] not in aead_ciphers:
logging.warning("AEAD Cipher Enforced - Rejected Server: P[%d], M[%s], E[%s]" % (
port, config['method'], config['email']))
return
t = tcprelay.TCPRelay(config, self._dns_resolver, False,
self.stat_callback)
u = udprelay.UDPRelay(config, self._dns_resolver, False,
self.stat_callback)
t.add_to_loop(self._loop)
u.add_to_loop(self._loop)
self._relays[port] = (t, u)
logging.info("Server Added: P[%d], M[%s], E[%s]" %
(port, config['method'], config['email']))
def stopOnUnix(self, ssrDict, *args):
ssrDict['daemon'] = 'stop'
ssrDict['local_address'] = args[0]
ssrDict['local_port'] = args[1]
ssrDict['timeout'] = args[2]
ssrDict['workers'] = args[3]
ssrDict['pid-file'] = args[4]
ssrDict['log-file'] = args[5]
if not ssrDict.get('dns_ipv6', False):
asyncdns.IPV6_CONNECTION_SUPPORT = False
try:
daemon.daemon_exec(ssrDict)
dns_resolver = asyncdns.DNSResolver()
tcp_server = tcprelay.TCPRelay(ssrDict, dns_resolver, True)
udp_server = udprelay.UDPRelay(ssrDict, dns_resolver, True)
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
def handler(signum, _):
logger.info('received SIGQUIT, doing graceful shutting down..')
tcp_server.close(next_tick=True)
udp_server.close(next_tick=True)
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM), handler)
def int_handler(signum, _):
logger.info("ShadowsocksR is stop")
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
daemon.set_user(ssrDict.get('user', None))
logger.info('ShadowsocksR is start on {0}:{1}'.format(args[0], args[1]))
loop.run()
except Exception as e:
logger.error(e)
sys.exit(1)
def add_port(self, config):
"""
添加服务端口，并保持只有一个服务端，同时监听tcp和udp的数据包
:param config: 配置信息
:return: 如果已存在服务端则返回
"""
port = int(config['server_port'])
servers = self._relays.get(port, None)
if servers:
logging.error("server already exists at %s:%d" %
(config['server'], port))
return
logging.info("adding server at %s:%d" % (config['server'], port))
t = tcprelay.TCPRelay(config, self._dns_resolver, False,
self.stat_callback)
u = udprelay.UDPRelay(config, self._dns_resolver, False,
self.stat_callback)
t.add_to_loop(self._loop)
u.add_to_loop(self._loop)
self._relays[port] = (t, u)
def daemon_embeded(config):
if hasattr(sys, "frozen") and sys.frozen in \
("windows_exe", "console_exe"):
p = os.path.dirname(os.path.abspath(sys.executable))
os.chdir(p)
#config = shell.get_config(True)
print(config)
daemon.daemon_exec(config)
logging.info("starting local at %s:%d" %
(config['local_address'], config['local_port']))
dns_resolver = asyncdns.DNSResolver()
tcp_server = tcprelay.TCPRelay(config, dns_resolver, True)
udp_server = udprelay.UDPRelay(config, dns_resolver, True)
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
tcp_server.add_to_loop(loop)
udp_server.add_to_loop(loop)
daemon.set_user(config.get('user', None))
loop.run()
def main():
shell.check_python()
config = shell.get_config(False)
daemon.daemon_exec(config)
if config['port_password']:
if config['password']:
logging.warn('warning: port_password should not be used with '
'server_port and password. server_port and password '
'will be ignored')
else:
config['port_password'] = {}
server_port = config.get('server_port', None)
if server_port:
if type(server_port) == list:
for a_server_port in server_port:
config['port_password'][a_server_port] = config['password']
else:
config['port_password'][str(server_port)] = config['password']
if config.get('manager_address', 0):
logging.info('entering manager mode')
manager.run(config)
return
tcp_servers = []
udp_servers = []
if 'dns_server' in config: # allow override settings in resolv.conf
dns_resolver = asyncdns.DNSResolver(config['dns_server'])
else:
dns_resolver = asyncdns.DNSResolver()
port_password = config['port_password']
del config['port_password']
for port, password in port_password.items():
a_config = config.copy()
a_config['server_port'] = int(port)
a_config['password'] = password
logging.info("starting server at %s:%d" %
(a_config['server'], int(port)))
tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False))
udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False))
def run_server():
def child_handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
list(map(lambda s: s.close(next_tick=True),
tcp_servers + udp_servers))
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
child_handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
try:
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
daemon.set_user(config.get('user', None))
loop.run()
except Exception as e:
shell.print_exception(e)
sys.exit(1)
if int(config['workers']) > 1:
if os.name == 'posix':
children = []
is_child = False
for i in range(0, int(config['workers'])):
r = os.fork()
if r == 0:
logging.info('worker started')
is_child = True
run_server()
break
else:
children.append(r)
if not is_child:
def handler(signum, _):
for pid in children:
try:
os.kill(pid, signum)
os.waitpid(pid, 0)
except OSError: # child may already exited
pass
sys.exit()
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGQUIT, handler)
signal.signal(signal.SIGINT, handler)
# master
for a_tcp_server in tcp_servers:
a_tcp_server.close()
for a_udp_server in udp_servers:
a_udp_server.close()
dns_resolver.close()
for child in children:
os.waitpid(child, 0)
else:
logging.warn('worker is only available on Unix/Linux')
run_server()
else:
run_server()
def main():
shell.check_python3()
config = shell.get_config(False)
shell.log_shadowsocks_version()
daemon.daemon_exec(config)
try:
import resource
logging.info(
'current process RLIMIT_NOFILE resource: soft %d hard %d' %
resource.getrlimit(resource.RLIMIT_NOFILE))
except ImportError:
pass
if config['port_password']:
pass
else:
config['port_password'] = {}
server_port = config['server_port']
if type(server_port) == list:
for a_server_port in server_port:
config['port_password'][a_server_port] = config['password']
else:
config['port_password'][str(server_port)] = config['password']
if not config.get('dns_ipv6', False):
asyncdns.IPV6_CONNECTION_SUPPORT = False
if config.get('manager_address', 0):
logging.info('entering manager mode')
manager.run(config)
return
tcp_servers = []
udp_servers = []
dns_resolver = asyncdns.DNSResolver()
if int(config['workers']) > 1:
stat_counter_dict = None
else:
stat_counter_dict = {}
port_password = config['port_password']
config_password = config.get('password', 'm')
del config['port_password']
for port, password_obfs in port_password.items():
method = config["method"]
protocol = config.get("protocol", 'origin')
protocol_param = config.get("protocol_param", '')
obfs = config.get("obfs", 'plain')
obfs_param = config.get("obfs_param", '')
bind = config.get("out_bind", '')
bindv6 = config.get("out_bindv6", '')
if type(password_obfs) == list:
password = password_obfs[0]
obfs = common.to_str(password_obfs[1])
if len(password_obfs) > 2:
protocol = common.to_str(password_obfs[2])
elif type(password_obfs) == dict:
password = password_obfs.get('password', config_password)
method = common.to_str(password_obfs.get('method', method))
protocol = common.to_str(password_obfs.get('protocol', protocol))
protocol_param = common.to_str(
password_obfs.get('protocol_param', protocol_param))
obfs = common.to_str(password_obfs.get('obfs', obfs))
obfs_param = common.to_str(
password_obfs.get('obfs_param', obfs_param))
bind = password_obfs.get('out_bind', bind)
bindv6 = password_obfs.get('out_bindv6', bindv6)
else:
password = password_obfs
a_config = config.copy()
ipv6_ok = False
logging.info(
"server start with protocol[%s] password [%s] method [%s] obfs [%s] obfs_param [%s]"
% (protocol, password, method, obfs, obfs_param))
if 'server_ipv6' in a_config:
try:
if len(a_config['server_ipv6']
) > 2 and a_config['server_ipv6'][
0] == "[" and a_config['server_ipv6'][-1] == "]":
a_config['server_ipv6'] = a_config['server_ipv6'][1:-1]
a_config['server_port'] = int(port)
a_config['password'] = password
a_config['method'] = method
a_config['protocol'] = protocol
a_config['protocol_param'] = protocol_param
a_config['obfs'] = obfs
a_config['obfs_param'] = obfs_param
a_config['out_bind'] = bind
a_config['out_bindv6'] = bindv6
a_config['server'] = a_config['server_ipv6']
logging.info("starting server at [%s]:%d" %
(a_config['server'], int(port)))
tcp_servers.append(
tcprelay.TCPRelay(a_config,
dns_resolver,
False,
stat_counter=stat_counter_dict))
udp_servers.append(
udprelay.UDPRelay(a_config,
dns_resolver,
False,
stat_counter=stat_counter_dict))
if a_config['server_ipv6'] == b"::":
ipv6_ok = True
except Exception as e:
shell.print_exception(e)
try:
a_config = config.copy()
a_config['server_port'] = int(port)
a_config['password'] = password
a_config['method'] = method
a_config['protocol'] = protocol
a_config['protocol_param'] = protocol_param
a_config['obfs'] = obfs
a_config['obfs_param'] = obfs_param
a_config['out_bind'] = bind
a_config['out_bindv6'] = bindv6
logging.info("starting server at %s:%d" %
(a_config['server'], int(port)))
tcp_servers.append(
tcprelay.TCPRelay(a_config,
dns_resolver,
False,
stat_counter=stat_counter_dict))
udp_servers.append(
udprelay.UDPRelay(a_config,
dns_resolver,
False,
stat_counter=stat_counter_dict))
except Exception as e:
if not ipv6_ok:
shell.print_exception(e)
def run_server():
def child_handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
list(
map(lambda s: s.close(next_tick=True),
tcp_servers + udp_servers))
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
child_handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
try:
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
daemon.set_user(config.get('user', None))
loop.run()
except Exception as e:
shell.print_exception(e)
sys.exit(1)
if int(config['workers']) > 1:
if os.name == 'posix':
children = []
is_child = False
for i in range(0, int(config['workers'])):
r = os.fork()
if r == 0:
logging.info('worker started')
is_child = True
run_server()
break
else:
children.append(r)
if not is_child:
def handler(signum, _):
for pid in children:
try:
os.kill(pid, signum)
os.waitpid(pid, 0)
except OSError: # child may already exited
pass
sys.exit()
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGQUIT, handler)
signal.signal(signal.SIGINT, handler)
# master
for a_tcp_server in tcp_servers:
a_tcp_server.close()
for a_udp_server in udp_servers:
a_udp_server.close()
dns_resolver.close()
for child in children:
os.waitpid(child, 0)
else:
logging.warn('worker is only available on Unix/Linux')
run_server()
else:
run_server()
def main():
shell.check_python() #检查python版本
config = shell.get_config(False) #从配置文件,命令行等获取参数
daemon.daemon_exec(config) #根据'daemon'参数来start,stop或restart ssserver
if config['port_password']:
if config['password']:
logging.warn('warning: port_password should not be used with '
'server_port and password. server_port and password '
'will be ignored')
else:
config['port_password'] = {}
server_port = config['server_port']
if type(server_port) == list:
for a_server_port in server_port:
config['port_password'][a_server_port] = config['password']
else:
config['port_password'][str(server_port)] = config['password']
if config.get('manager_address', 0):
logging.info('entering manager mode')
manager.run(config)
return
tcp_servers = []
udp_servers = []
# 类DNSResolver初始化时会从/etc/hosts和/etc/resolv.conf中获取hostname和dns
dns_resolver = asyncdns.DNSResolver()
port_password = config['port_password']
del config['port_password']
for port, password in port_password.items():
a_config = config.copy()
a_config['server_port'] = int(port)
a_config['password'] = password
logging.info("starting server at %s:%d" %
(a_config['server'], int(port)))
tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False))
udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False))
def run_server():
def child_handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
# map(function, sequence[, sequence, ...]) -> list 将function函数作用到
# sequence中的每一个元素，也就是关掉上面打开的所有的socket
list(
map(lambda s: s.close(next_tick=True),
tcp_servers + udp_servers))
# 注册SIGQUIT或SIGTERM的信号处理函数，Windows不支持SIGQUIT而Linux支持，所以为了
# 跨平台兼容，此处使用了getattr函数
# 在调用exec前，子进程会继承父进程注册的信号处理action，这里在子进程中重新注册
# 了SIGTERM信号的处理action，不出意外，signal函数会返回上一次注册的action
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
child_handler)
# 为SIGINT注册信号处理函数
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
try:
loop = eventloop.EventLoop()
# 将dns以及之前tcp, udp的socket都注册到epoll事件表中
dns_resolver.add_to_loop(loop)
list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
daemon.set_user(config.get('user', None))
loop.run()
except Exception as e:
shell.print_exception(e)
sys.exit(1)
if int(config['workers']) > 1:
if os.name == 'posix':
children = []
is_child = False
for i in range(0, int(config['workers'])):
r = os.fork()
if r == 0:
logging.info('worker started')
is_child = True
run_server()
break
else:
children.append(r)
if not is_child:
def handler(signum, _):
for pid in children:
try:
os.kill(pid, signum)
os.waitpid(pid, 0)
except OSError: # child may already exited
pass
sys.exit()
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGQUIT, handler)
signal.signal(signal.SIGINT, handler)
# master
for a_tcp_server in tcp_servers:
a_tcp_server.close()
for a_udp_server in udp_servers:
a_udp_server.close()
dns_resolver.close()
for child in children:
os.waitpid(child, 0)
else:
logging.warn('worker is only available on Unix/Linux')
run_server()
else:
run_server()
def main():
# 检查python版本
utils.check_python()
# fix py2exe
# 应该是专门为py2exe检查当前执行路径用的
if hasattr(sys, "frozen") and sys.frozen in \
("windows_exe", "console_exe"):
p = os.path.dirname(os.path.abspath(sys.executable))
os.chdir(p)
# 形参是is_local=True
config = utils.get_config(True)
# linux系统：执行守护进程
daemon.daemon_exec(config)
# 显示当前的ss版本号
utils.print_shadowsocks()
# 创建加密器类的实例
encrypt.try_cipher(config['password'], config['method'])
try:
logging.info("starting local at %s:%d" %
(config['local_address'], config['local_port']))
# dns只是tcp上面的一个应用，所以没有自己的bind
# 新建dns_resolver
dns_resolver = asyncdns.DNSResolver()
tcp_server = tcprelay.TCPRelay(config, dns_resolver, True)
udp_server = udprelay.UDPRelay(config, dns_resolver, True)
# 创建时间循环的类实例
loop = eventloop.EventLoop()
# dns请求报文发出去了之后要监测响应报文
dns_resolver.add_to_loop(loop) # client发远程网站地址给proxy，proxy去查找DNS
tcp_server.add_to_loop(loop) # 递送tcp数据
udp_server.add_to_loop(loop) # 递送udp数据
# 定义退出信号捕获处理函数
def handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
# 连带关闭socket（因为next = true）
tcp_server.close(next_tick=True)
udp_server.close(next_tick=True)
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM), handler)
# 进程终止
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
# 运行事件循环，思想还是挺高端的
loop.run()
# 按下 Ctrl+c 退出
except (KeyboardInterrupt, IOError, OSError) as e:
logging.error(e)
if config['verbose']:
import traceback
traceback.print_exc()
os._exit(1)
def main():
# 检查python版本
shell.check_python()
config = shell.get_config(False) # 获取配置文件,其中参数False 是标识符is_local的假值,表示要获取非local配置
daemon.daemon_exec(config) # 检查配置是否要开启进程守护,仅在UNIX, Linux 上有效
# 多用户分配设置处理
if config['port_password']:
if config['password']:
logging.warning('warning: port_password should not be used with '
'server_port and password. server_port and password '
'will be ignored')
else:
config['port_password'] = {}
server_port = config['server_port']
if type(server_port) == list:
for a_server_port in server_port:
config['port_password'][a_server_port] = config['password']
else:
config['port_password'][str(server_port)] = config['password']
if config.get('manager_address', 0):
logging.info('entering manager mode')
manager.run(config)
return
tcp_servers = []
udp_servers = []
dns_resolver = asyncdns.DNSResolver() # 创建DNS查询对象
port_password = config['port_password'] # 获取
del config['port_password'] # 删除config 字典中的"port_password"键
# 将多用户配置转换为单用户配置
for port, password in port_password.items():
a_config = config.copy()
a_config['server_port'] = int(port) # 创建"server_port"键
a_config['password'] = password # 创建"password"键
logging.info("starting server at %s:%d" % (a_config['server'], int(port))) # 记录服务开启
tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False)) # 添加TCP查询对象,TCP代理实现
udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False)) # 添加UDP查询对象
# 开启服务
def run_server():
def child_handler(signum, _):
logging.warning('received SIGQUIT, doing graceful shutting down..')
list(map(lambda s: s.close(next_tick=True), tcp_servers + udp_servers))
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM), child_handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
try:
loop = eventloop.EventLoop() # 创建事件循环处理对象
dns_resolver.add_to_loop(loop) # 将DNS绑定到事件循环
list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
daemon.set_user(config.get('user', None)) # 开启角色进程守护
loop.run() # 开启事件处理死循环
except Exception as e:
shell.print_exception(e) # 异常处理
sys.exit(1) # 退出
if int(config['workers']) > 1:
if os.name == 'posix':
children = []
is_child = False
for i in range(0, int(config['workers'])):
r = os.fork()
if r == 0:
logging.info('worker started')
is_child = True
run_server()
break
else:
children.append(r)
if not is_child:
def handler(signum, _):
for pid in children:
try:
os.kill(pid, signum)
os.waitpid(pid, 0)
except OSError: # child may already exited
pass
sys.exit()
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGQUIT, handler)
signal.signal(signal.SIGINT, handler)
# master
for a_tcp_server in tcp_servers:
a_tcp_server.close()
for a_udp_server in udp_servers:
a_udp_server.close()
dns_resolver.close()
for child in children:
os.waitpid(child, 0)
else:
logging.warn('worker is only available on Unix/Linux')
run_server()
else:
run_server()
def main():
shell.check_python()
# 获取配置文件，如果没有配置文件将给与默认的配置,配置如下
"""
{
"server": "0.0.0.0",
"server_ipv6": "::",
"server_port": 8388,
"local_address": "127.0.0.1",
"local_port": 1080,
"password": "******",
"timeout": 120,
"udp_timeout": 60,
"method": "aes-256-cfb",
"protocol": "origin",
"protocol_param": "",
"obfs": "http_simple_compatible",
"obfs_param": "",
"dns_ipv6": false,
"connect_verbose_info": 0,
"redirect": "",
"fast_open": false
}
"""
config = shell.get_config(False)
daemon.daemon_exec(config)
# 写了port_password的配置
if config['port_password']:
# 用了password就不用port_password
if config['password']:
logging.warn('warning: port_password should not be used with '
'server_port and password. server_port and password '
'will be ignored')
else:
# 没有写入port_password配置的情况
config['port_password'] = {}
server_port = config['server_port']
# 判断服务器端口是否为一个数组是的话就，使用password作为密码的放在port_password中
if type(server_port) == list:
for a_server_port in server_port:
config['port_password'][a_server_port] = config['password']
else:
config['port_password'][str(server_port)] = config['password']
# 组装完如下
# """
# port_password:{
# port:password
# }
# """
# 是否启动了dns_ipv6
if not config.get('dns_ipv6', False):
asyncdns.IPV6_CONNECTION_SUPPORT = False
# 使用启用了管理者
# if config.get('manager', 0):
# logging.info('entering manager mode')
# # 判断是否使用管理者？？？？这里我也还没有看源码
# manager.run(config)
# return
tcp_servers = []
udp_servers = []
dns_resolver = asyncdns.DNSResolver()
port_password = config['port_password']
# 删除port_password这个数据
del config['port_password']
for port, password_obfs in port_password.items():
# 默认参数
# 加密方式
method = config.get("method", 'aes-256-cfb')
# 用户密码
password = config.get("password", 'password')
# 协议加密
protocol = config.get("protocol", 'origin')
# 混淆方式
obfs = config.get("obfs","plain")
# 获取混淆参数
obfs_param = config.get("obfs_param", '')
# 判断是否是一个数组，格式如下
"""
port_password:{
port:['password','obfs'],
port:['password','obfs'],
....
}
"""
if type(password_obfs) == list:
password = password_obfs[0]
obfs = password_obfs[1]
elif type(password_obfs) == dict:
# 字典的情况下,格式如下
"""
port_password:{
port:{
password:password,
protocol:protocol,
obfs:obfs,
obfs_param:obfs_param
},
....
}
"""
# 如果是1的话表示无效的状态0表示正常
if password_obfs.get("flowMark",0) == 1 or password_obfs.get("dateMark",0) == 1:
continue
# 密码
password = password_obfs.get('password', 'm')
# 协议
protocol = password_obfs.get('protocol', 'origin')
# 协议参数
protocol_param = password_obfs.get('protocol_param', '')
# 混淆方式
obfs = password_obfs.get('obfs', 'plain')
# 混淆参数
obfs_param = password_obfs.get('obfs_param', '')
# 获取加密方式
method = password_obfs.get("method", 'aes-256-cfb')
else:
password = password_obfs
obfs = config["obfs"]
a_config = config.copy()
ipv6_ok = False
logging.info("server start with protocol[%s] password [%s] method [%s] obfs [%s] obfs_param [%s]" %
(protocol, password, a_config['method'], obfs, obfs_param))
if 'server_ipv6' in a_config:
try:
if len(a_config['server_ipv6']) > 2 and a_config['server_ipv6'][0] == "[" and a_config['server_ipv6'][-1] == "]":
a_config['server_ipv6'] = a_config['server_ipv6'][1:-1]
a_config['server'] = a_config['server_ipv6']
a_config['server_port'] = port
a_config['password'] = password
a_config['protocol'] = protocol
a_config['protocol_param'] = protocol_param
a_config['obfs'] = obfs
a_config['obfs_param'] = obfs_param
a_config['method'] = method
logging.info("starting server at [%s]:%d" %
(a_config['server'], int(port)))
tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False))
udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False))
if a_config['server_ipv6'] == b"::":
ipv6_ok = True
except Exception as e:
shell.print_exception(e)
try:
a_config = config.copy()
a_config['server_port'] = port
a_config['password'] = password
a_config['protocol'] = protocol
a_config['protocol_param'] = protocol_param
a_config['obfs'] = obfs
a_config['obfs_param'] = obfs_param
a_config['method'] = method
logging.info("starting server at %s:%d" %
(a_config['server'], int(port)))
tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False))
udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False))
except Exception as e:
if not ipv6_ok:
shell.print_exception(e)
def run_server():
def child_handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
list(map(lambda s: s.close(next_tick=True),
tcp_servers + udp_servers))
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
child_handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
try:
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
daemon.set_user(config.get('user', None))
loop.run()
except Exception as e:
shell.print_exception(e)
sys.exit(1)
if int(config['workers']) > 1:
if os.name == 'posix':
children = []
is_child = False
for i in range(0, int(config['workers'])):
r = os.fork()
if r == 0:
logging.info('worker started')
is_child = True
run_server()
break
else:
children.append(r)
if not is_child:
def handler(signum, _):
for pid in children:
try:
os.kill(pid, signum)
os.waitpid(pid, 0)
except OSError: # child may already exited
pass
sys.exit()
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGQUIT, handler)
signal.signal(signal.SIGINT, handler)
# master
for a_tcp_server in tcp_servers:
a_tcp_server.close()
for a_udp_server in udp_servers:
a_udp_server.close()
dns_resolver.close()
for child in children:
os.waitpid(child, 0)
else:
logging.warn('worker is only available on Unix/Linux')
run_server()
else:
run_server()
def main():
utils.check_python()
config = utils.get_config(False)
utils.print_shadowsocks()
if config['port_password']:
if config['password']:
logging.warn('warning: port_password should not be used with '
'server_port and password. server_port and password '
'will be ignored')
else:
config['port_password'] = {}
server_port = config['server_port']
if type(server_port) == list:
for a_server_port in server_port:
config['port_password'][a_server_port] = config['password']
else:
config['port_password'][str(server_port)] = config['password']
encrypt.try_cipher(config['password'], config['method'])
tcp_servers = []
udp_servers = []
dns_resolver = asyncdns.DNSResolver()
for port, password in config['port_password'].items():
a_config = config.copy()
a_config['server_port'] = int(port)
a_config['password'] = password
logging.info("starting server at %s:%d" %
(a_config['server'], int(port)))
tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False))
udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False))
def run_server():
def child_handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
list(
map(lambda s: s.close(next_tick=True),
tcp_servers + udp_servers))
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
child_handler)
try:
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
loop.run()
except (KeyboardInterrupt, IOError, OSError) as e:
logging.error(e)
if config['verbose']:
import traceback
traceback.print_exc()
os._exit(1)
if int(config['workers']) > 1:
if os.name == 'posix':
children = []
is_child = False
for i in range(0, int(config['workers'])):
r = os.fork()
if r == 0:
logging.info('worker started')
is_child = True
run_server()
break
else:
children.append(r)
if not is_child:
def handler(signum, _):
for pid in children:
try:
os.kill(pid, signum)
except OSError: # child may already exited
pass
sys.exit()
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGQUIT, handler)
# master
for a_tcp_server in tcp_servers:
a_tcp_server.close()
for a_udp_server in udp_servers:
a_udp_server.close()
dns_resolver.close()
for child in children:
os.waitpid(child, 0)
else:
logging.warn('worker is only available on Unix/Linux')
run_server()
else:
run_server()
def main():
utils.check_python()
# is_local=false
config = utils.get_config(False)
daemon.daemon_exec(config)
utils.print_shadowsocks()
# 支持多客户端
if config['port_password']:
if config['password']:
logging.warn('warning: port_password should not be used with '
'server_port and password. server_port and password '
'will be ignored')
else:
config['port_password'] = {}
server_port = config['server_port']
# 若发现有多用户配置：采用‘端口->密码’的映射方式。
if type(server_port) == list:
for a_server_port in server_port:
config['port_password'][a_server_port] = config['password']
else:
config['port_password'][str(server_port)] = config['password']
# Create an instance of the cipher class
encrypt.try_cipher(config['password'], config['method'])
tcp_servers = []
udp_servers = []
dns_resolver = asyncdns.DNSResolver()
# 一个服务器端可以打开多个端口
# 对于每个端口，都要新建一个对应的处理器
for port, password in config['port_password'].items():
a_config = config.copy()
a_config['server_port'] = int(port)
a_config['password'] = password
logging.info("starting server at %s:%d" %
(a_config['server'], int(port)))
# 逐一加到tcp、udp列表
tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False))
udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False))
def run_server():
# 收到退出信号的处理函数，关闭所有socket释放资源。
def child_handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
# 关闭所有的socket，一句话搞定，好厉害，跪拜ing
# map(function, sequence[, sequence, ...]) -> list
# Return a list of the results of applying the function to the items of the argument sequence(s).
list(
map(lambda s: s.close(next_tick=True),
tcp_servers + udp_servers))
# 收到退出信号，调用child_handler进行自杀。
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
child_handler)
# 收到退出信号，调用int_handler进行自杀。
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
try:
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
# 把所有的监听端口添加到时间循环中，一句话搞定，好厉害，跪拜ing
list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
loop.run()
except (KeyboardInterrupt, IOError, OSError) as e:
logging.error(e)
if config['verbose']:
import traceback
traceback.print_exc()
os._exit(1)
# Shadowsocks supports spawning child processes like nginx.
# You can use --workers to specify how many workers to use.
# This argument is only supported on Unix and ssserver.
# Currently UDP relay does not work well on multiple workers.
# 支持像nginx多进程，可以在config中指定worker的数量。仅在linux下生效。
# 目前的bug：worker设为大于1时，udp转发有可能工作不正常
if int(config['workers']) > 1:
if os.name == 'posix':
children = []
is_child = False
for i in range(0, int(config['workers'])):
r = os.fork()
if r == 0:
logging.info('worker started')
is_child = True
run_server()
break
else:
children.append(r)
if not is_child:
def handler(signum, _):
for pid in children:
try:
os.kill(pid, signum)
os.waitpid(pid, 0)
except OSError: # child may already exited
pass
sys.exit()
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGQUIT, handler)
signal.signal(signal.SIGINT, handler)
# master
for a_tcp_server in tcp_servers:
a_tcp_server.close()
for a_udp_server in udp_servers:
a_udp_server.close()
dns_resolver.close()
for child in children:
os.waitpid(child, 0)
else:
logging.warn('worker is only available on Unix/Linux')
run_server()
else:
run_server()
def main():
logging.basicConfig(
level=logging.DEBUG,
format=
'%(levelname)-4s:%(filename)s %(lineno)d %(funcName)s %(message)s')
logging.info("main exec...")
# a = "123456"
# b = []
# b.append(a)
#
# logging.info("a:%s" % a[2:])
# logging.info("b:%s" % type(b))
#
# s = utils.encode(b[0])
# logging.info(s)
# b = utils.decode(s)
# logging.info(b)
shell.check_python()
config = shell.get_config(False)
daemon.daemon_exec(config)
if config['port_password']:
if config['password']:
logging.warn('warning: port_password should not be used with '
'server_port and password. server_port and password '
'will be ignored')
else:
config['port_password'] = {}
server_port = config['server_port']
if type(server_port) == list:
for a_server_port in server_port:
logging.info('a_server_port:%s' % str(a_server_port))
config['port_password'][a_server_port] = config['password']
else:
logging.info('server_port:%s' % str(server_port))
config['port_password'][str(server_port)] = config['password']
if config.get('manager_address', 0):
logging.info('entering manager mode')
manager.run(config)
return
tcp_servers = []
udp_servers = []
if 'dns_server' in config: # allow override settings in resolv.conf
logging.info("dns_server in config")
dns_resolver = asyncdns.DNSResolver(config['dns_server'],
config['prefer_ipv6'])
else:
logging.info("dns_server not in config")
dns_resolver = asyncdns.DNSResolver(prefer_ipv6=config['prefer_ipv6'])
port_password = config['port_password']
logging.info("port_password:%s" % str(port_password))
del config['port_password']
for port, password in port_password.items():
a_config = config.copy()
a_config['server_port'] = int(port)
a_config['password'] = password
logging.info("starting server at %s:%d" %
(a_config['server'], int(port)))
tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False))
udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False))
logging.info('config type:' + str(type(config)))
def run_server():
logging.info("run_server enters")
def child_handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
list(
map(lambda s: s.close(next_tick=True),
tcp_servers + udp_servers))
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
child_handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
try:
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
daemon.set_user(config.get('user', None))
loop.run()
except Exception as e:
shell.print_exception(e)
sys.exit(1)
if int(config['workers']) > 1:
if os.name == 'posix':
children = []
is_child = False
for i in range(0, int(config['workers'])):
r = os.fork()
if r == 0:
logging.info('worker started')
is_child = True
logging.info("run_server enters - 3")
run_server()
break
else:
children.append(r)
if not is_child:
def handler(signum, _):
for pid in children:
try:
os.kill(pid, signum)
os.waitpid(pid, 0)
except OSError: # child may already exited
pass
sys.exit()
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGQUIT, handler)
signal.signal(signal.SIGINT, handler)
# master
for a_tcp_server in tcp_servers:
a_tcp_server.close()
for a_udp_server in udp_servers:
a_udp_server.close()
dns_resolver.close()
for child in children:
os.waitpid(child, 0)
else:
logging.warn('worker is only available on Unix/Linux')
logging.info("call run_server - 1")
run_server()
else:
logging.info("call run_server enters - 2")
run_server()