def __init__(self, config):
u""" 初始化直连 socket 环境 """
UpstreamBase.__init__(self, config=config)
self.source_ip = config.get('source_ip', '0.0.0.0')
self.source_port = config.get('source_port', 0)
self.route_cache = LRUCacheDict(500, 10 * 60 * 1000)
if self.source_ip == '0.0.0.0' and self.source_port == 0:
self.source_address = None
else:
self.source_address = (self.source_ip, self.source_port)
class socket(SocketBase):
def __init__(self,
family=_socket.AF_INET,
type=_socket.SOCK_STREAM,
proto=0,
_sock=None):
if _sock is None:
_sock = socket.upsocket.socket(family=family,
type=type,
proto=proto)
_sock.bind(self.source_address)
SocketBase.__init__(self, _sock)
socket.source_address = self.source_address
socket.upstream = self.upstream
socket.display_name = self.get_display_name()
socket.name = self.get_name()
self.socket = socket
def __init__(self, config):
u""" 初始化直连 socket 环境 """
UpstreamBase.__init__(self, config)
self.route_cache = LRUCacheDict(500, 10 * 60 * 1000)
self._list = config.get('list', [{'type': 'direct'}])
self.upstream_dict = {}
for i in self._list:
type = i.get('type')
if not type:
raise ConfigError(u'[upstream]代理类型不能为空！ ')
Upstream = upstream.get_upstream(type)
u = Upstream(i)
self.upstream_dict[u.get_name()] = u
def __init__(self,config):
u""" 初始化直连 socket 环境 """
UpstreamBase.__init__(self,config=config)
self.source_ip = config.get('source_ip','0.0.0.0')
self.source_port = config.get('source_port',0)
self.route_cache = LRUCacheDict(500, 10 * 60 * 1000)
if self.source_ip == '0.0.0.0' and self.source_port==0:
self.source_address = None
else:
self.source_address=(self.source_ip,self.source_port)
class socket(SocketBase):
def __init__(self, family=_socket.AF_INET, type=_socket.SOCK_STREAM, proto=0,_sock=None):
if _sock is None:
_sock = socket.upsocket.socket(family=family,type=type,proto=proto)
_sock.bind(self.source_address)
SocketBase.__init__(self,_sock)
socket.source_address = self.source_address
socket.upstream = self.upstream
self.socket = socket
def __init__(self,
sock_mod=None,
max_site=20,
max_size_conn=10,
expire=60,
lock=None):
if sock_mod is None:
sock_mod = __import__("socket")
self.sock_mod = sock_mod
self.site_dict = LRUCacheDict(max_site, expire, _safe_del_connes)
self.max_site_conn = max_size_conn
if lock is None:
self.lock = _lock()
elif callable(lock):
self.lock = lock()
else:
raise ValueError('callable(lock)==False')
def __init__(self, config):
u""" 初始化直连 socket 环境 """
UpstreamBase.__init__(self, config)
self.route_cache = LRUCacheDict(500, 10 * 60 * 1000)
self._list = config.get('list', [{'type': 'direct'}])
self.upstream_dict = {}
for i in self._list:
type = i.get('type')
if not type:
raise ConfigError(u'[upstream]代理类型不能为空！ ')
Upstream = upstream.get_upstream(type)
u = Upstream(i)
self.upstream_dict[u.get_name()] = u
def __init__(self, sock_mod=None, max_site=20, max_size_conn=10, expire=60, lock=None):
if sock_mod is None:
sock_mod = __import__("socket")
self.sock_mod = sock_mod
self.site_dict = LRUCacheDict(max_site, expire, _safe_del_connes)
self.max_site_conn = max_size_conn
if lock is None:
self.lock = _lock()
elif callable(lock):
self.lock = lock()
else:
raise ValueError('callable(lock)==False')
class MultipathUpstream(UpstreamBase):
u""" 多路径 socket 模块
对于 tcp 连接，同时使用多个线路尝试连接，最终使用最快建立连接的线路。
使用方式为创建本类实例，然后把实例当作 socket 模块即可。所有的操作都会经过 config 配置的线路。
以后也许会弄个当连接多路复用。
"""
def __init__(self, config):
u""" 初始化直连 socket 环境 """
UpstreamBase.__init__(self, config)
self.route_cache = LRUCacheDict(500, 10 * 60 * 1000)
self._list = config.get('list', [{'type': 'direct'}])
self.upstream_dict = {}
for i in self._list:
type = i.get('type')
if not type:
raise ConfigError(u'[upstream]代理类型不能为空！ ')
Upstream = upstream.get_upstream(type)
u = Upstream(i)
self.upstream_dict[u.get_name()] = u
u'''
class socket(SocketBase):
def __init__(self, family=_socket.AF_INET, type=_socket.SOCK_STREAM, proto=0, _sock=None):
if _sock is None:
_sock = socket.upsocket.socket(family=family, type=type, proto=proto)
_sock.bind((socket.source_ip, socket.source_port))
SocketBase.__init__(self, _sock)
socket.upstream = self.upstream
self.socket = socket'''
def get_route_order_ping(self, hostname, port, default=None):
route = self.get_route_cache(hostname, port, None)
if route:
return sorted(route.values(), key=lambda x: x['tcp_ping'])
return None
def get_route_cache(self, hostname, port, default=None):
return self.route_cache.get('%s-%s' % (hostname, port), default)
def __set_route_cache(self, hostname, port, value):
self.route_cache['%s-%s' % (hostname, port)] = value
def update_route_ping(self, proxyName, hostname, port, ping, ip=None):
proxyDict = self.get_route_cache(hostname, port)
if proxyDict == None:
proxyDict = {}
self.__set_route_cache(hostname, port, proxyDict)
proxyDict['%s-%s' % (proxyName, ip)] = {
'tcp_ping': ping,
'proxy_name': proxyName,
'hit_ip': ip
}
def _create_connection(self, _upstream, aync_task, address, timeout=10):
# 实际连接部分
start_time = int(time.time() * 1000)
try:
sock = _upstream.create_connection(address, timeout)
except:
t = int(time.time() * 1000) - start_time
info = traceback.format_exc()
logging.debug(
u'[upstream]%s 连接 %s:%s 失败。time:%s' % (_upstream.get_display_name(), address[0], address[1], t))
logging.debug('%s\r\n\r\n' % info)
return
t = int(time.time() * 1000) - start_time
self.update_route_ping(_upstream.get_name(),address[0],address[1],t)
if aync_task.sock:
sock.close(safe=False)
logging.debug(
u'[upstream]%s 连接 %s:%s 未命中。time:%s' % (_upstream.get_display_name(), address[0], address[1], t))
else:
aync_task.sock = sock
aync_task.evt.set()
logging.debug(
u'[upstream]%s 连接 %s:%s 命中。time:%s' % (_upstream.get_display_name(), address[0], address[1], t))
def _create_connection_all_end(self, aync_task):
u"""在所有链接全部出错时发出事件通知主协程。"""
aync_task.group.join()
if aync_task.sock is None:
aync_task.evt.set()
def create_connection(self, address, timeout=10):
# 尝试连接缓存
route_list = self.get_route_order_ping(address[0],address[1],None)
if route_list:
try:
route = route_list[0]
cache_timeout = route['tcp_ping']
if cache_timeout<1000:
cache_timeout = cache_timeout * 2
else:
cache_timeout = cache_timeout+1000
cache_timeout = int(math.ceil(cache_timeout/1000.0))
_upstream = self.upstream_dict.get(route['proxy_name'])
start_time = int(time.time() * 1000)
sock = _upstream.create_connection(address, cache_timeout)
t = int(time.time() * 1000) - start_time
logging.debug(u'[upstream][RouteCache]%s 缓存记录 连接 %s:%s 命中。time:%s'%(_upstream.get_display_name(),address[0],address[1],t))
self.update_route_ping(_upstream.get_name(),address[0],address[1],t)
return sock
except:
t = int(time.time() * 1000) - start_time
info = traceback.format_exc()
logging.debug(
u'[upstream][RouteCache]%s 缓存记录 连接 %s:%s 失败。time:%s' % (_upstream.get_display_name(), address[0], address[1],t))
logging.debug('%s\r\n\r\n' % info)
# 缓存失败，连接全部
evt = Event()
group = Group()
aync_task = MultipathAsyncTask(evt, None, group)
for _upstream in self.upstream_dict.values():
group.add(gevent.spawn(self._create_connection, _upstream, aync_task, address, timeout))
# 所有连接失败时发出通知
gevent.spawn(self._create_connection_all_end, aync_task)
evt.wait()
if aync_task.sock:
return aync_task.sock
else:
raise UpstreamConnectError()
def get_display_name(self):
return '[%s]' % (self.type)
def get_name(self):
return '%s' % (self.type)
class HttpPool():
u"""http 池"""
def __init__(self, sock_mod=None, max_site=20, max_size_conn=10, expire=60, lock=None):
if sock_mod is None:
sock_mod = __import__("socket")
self.sock_mod = sock_mod
self.site_dict = LRUCacheDict(max_site, expire, _safe_del_connes)
self.max_site_conn = max_size_conn
if lock is None:
self.lock = _lock()
elif callable(lock):
self.lock = lock()
else:
raise ValueError('callable(lock)==False')
def get_conn(self, address):
u"""获得连接
没有连接时自动创建链接。
"""
host, port = address
with self.lock:
site_connes = self.site_dict.get(u'%s:%s' % (host, poll), None)
if site_connes:
while True:
try:
conn = site_connes.get(False)
if is_connection_dropped(conn):
try:
conn.close()
except:
pass
else:
return conn
except Empty:
break
return HttpConn(self.sock_mod.create_connection((host, port)), self, host, port)
def _put_conn(self, host, port, sock):
u""" 将连接添加回连接池
会检查连接状态，不正常的连接会被抛弃。
"""
if hasattr(self.sock_mod, "get_display_name"):
sock_name = self.sock_mod.get_display_name()
else:
sock_name = None
sock_info = 'sock_mod:%s host:%s port:%s' % (sock_name, host, port)
if sock:
if is_connection_dropped(sock):
logging.debug(u'已关闭连接无法添加回连接池。%s' % sock_info)
try:
sock.close()
except:
pass
else:
with self.lock:
site_connes = self.site_dict.get(u'%s:%s' % (host, port), None)
if site_connes is None:
site_connes = LifoQueue(self.max_site_conn)
try:
site_connes.put(sock)
logging.debug(u'添加连接回连接池。 %s' % sock_info)
except Full:
logging.debug(u'连接池满. %s' % sock_info)
try:
sock.close()
except:
pass
return
self.site_dict[u'%s:%s' % (host, port)] = site_connes
def __del__(self):
with self.lock:
del self.site_dict
ATYP_IPV4 = 0x01
ATYP_DOMAINNAME = 0x03
ATYP_IPV6 = 0x04
RE_IPV4_ADDR = re.compile(
r'^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$')
RE_IPV6_ADDR = re.compile(
r'^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$'
)
dnsPool = ThreadPool(20)
configIpBlacklist = []
errIP = {}
nameservers = 'system'
nameservers_backup = ['8.8.8.8', '208.67.222.222']
dns_cache = LRUCacheDict(500, 10 * 60 * 1000)
def get_addr_type(addr):
u""" 分析地址类型(IPv4、IPv6、域名)
>>> get_addr_type('0.0.0.0') == ATYP_IPV4
True
>>> get_addr_type('255.255.255.255') == ATYP_IPV4
True
>>> get_addr_type('1.1.1.256') == ATYP_IPV4
False
>>> get_addr_type('1.1.0') == ATYP_IPV4
False
>>> get_addr_type('192.168.1.1') == ATYP_IPV4
True
>>> get_addr_type('fe80:0000:0000:0000:0204:61ff:fe9d:f156') == ATYP_IPV6
class HttpPool():
u"""http 池"""
def __init__(self,
sock_mod=None,
max_site=20,
max_size_conn=10,
expire=60,
lock=None):
if sock_mod is None:
sock_mod = __import__("socket")
self.sock_mod = sock_mod
self.site_dict = LRUCacheDict(max_site, expire, _safe_del_connes)
self.max_site_conn = max_size_conn
if lock is None:
self.lock = _lock()
elif callable(lock):
self.lock = lock()
else:
raise ValueError('callable(lock)==False')
def get_conn(self, address):
u"""获得连接
没有连接时自动创建链接。
"""
host, port = address
with self.lock:
site_connes = self.site_dict.get(u'%s:%s' % (host, poll), None)
if site_connes:
while True:
try:
conn = site_connes.get(False)
if is_connection_dropped(conn):
try:
conn.close()
except:
pass
else:
return conn
except Empty:
break
return HttpConn(self.sock_mod.create_connection((host, port)), self,
host, port)
def _put_conn(self, host, port, sock):
u""" 将连接添加回连接池
会检查连接状态，不正常的连接会被抛弃。
"""
if hasattr(self.sock_mod, "get_display_name"):
sock_name = self.sock_mod.get_display_name()
else:
sock_name = None
sock_info = 'sock_mod:%s host:%s port:%s' % (sock_name, host, port)
if sock:
if is_connection_dropped(sock):
logging.debug(u'已关闭连接无法添加回连接池。%s' % sock_info)
try:
sock.close()
except:
pass
else:
with self.lock:
site_connes = self.site_dict.get(u'%s:%s' % (host, port),
None)
if site_connes is None:
site_connes = LifoQueue(self.max_site_conn)
try:
site_connes.put(sock)
logging.debug(u'添加连接回连接池。 %s' % sock_info)
except Full:
logging.debug(u'连接池满. %s' % sock_info)
try:
sock.close()
except:
pass
return
self.site_dict[u'%s:%s' % (host, port)] = site_connes
def __del__(self):
with self.lock:
del self.site_dict
class DirectUpstream(UpstreamBase):
u""" 直接连接 socket 模块
使用方式为创建本类实例，然后把实例当作 socket 模块即可。所有的操作都会经过 config 配置的线路。
"""
def __init__(self, config):
u""" 初始化直连 socket 环境 """
UpstreamBase.__init__(self, config=config)
self.source_ip = config.get('source_ip', '0.0.0.0')
self.source_port = config.get('source_port', 0)
self.route_cache = LRUCacheDict(500, 10 * 60 * 1000)
if self.source_ip == '0.0.0.0' and self.source_port == 0:
self.source_address = None
else:
self.source_address = (self.source_ip, self.source_port)
class socket(SocketBase):
def __init__(self,
family=_socket.AF_INET,
type=_socket.SOCK_STREAM,
proto=0,
_sock=None):
if _sock is None:
_sock = socket.upsocket.socket(family=family,
type=type,
proto=proto)
_sock.bind(self.source_address)
SocketBase.__init__(self, _sock)
socket.source_address = self.source_address
socket.upstream = self.upstream
socket.display_name = self.get_display_name()
socket.name = self.get_name()
self.socket = socket
def get_display_name(self):
return '[%s]source_ip=%s,source_port=%s' % (self.type, self.source_ip,
self.source_port)
def get_name(self):
return '%s?source=%s&source_port=%s' % (self.type, self.source_ip,
self.source_port)
def get_route_order_ping(self, hostname, port, default=None):
route = self.get_route_cache(hostname, port, None)
if route:
return sorted(route.values(), key=lambda x: x['tcp_ping'])
return None
def get_route_cache(self, hostname, port, default=None):
return self.route_cache.get('%s-%s' % (hostname, port), default)
def __set_route_cache(self, hostname, port, value):
self.route_cache['%s-%s' % (hostname, port)] = value
def update_route_ping(self, hostname, port, ping, ip):
proxyDict = self.get_route_cache(hostname, port)
if proxyDict == None:
proxyDict = {}
self.__set_route_cache(hostname, port, proxyDict)
proxyDict['%s' % (ip)] = {'tcp_ping': ping, 'hit_ip': ip}
def _direct_create_connection(self, address, ip, timeout=10):
# 实际连接
_sock = self.upstream.create_connection(
(ip, address[1]), timeout, source_address=self.source_address)
_sock.setsockopt(_socket.IPPROTO_TCP, _socket.TCP_NODELAY, 1)
sock = self.socket(_sock=_sock)
return sock
def _create_connection(self, aync_task, address, ip, timeout=10):
# 多线程连接执行部分
start_time = int(time.time() * 1000)
try:
sock = self._direct_create_connection(address, ip, timeout)
except:
t = int(time.time() * 1000) - start_time
info = traceback.format_exc()
logging.debug(
u'[upstream]%s 连接 %s(%s):%s 失败。time:%s' %
(self.get_display_name(), address[0], ip, address[1], t))
logging.debug('%s\r\n\r\n' % info)
return
t = int(time.time() * 1000) - start_time
self.update_route_ping(address[0], address[1], t, ip)
if aync_task.sock:
sock.close(safe=False)
logging.debug(
u'[upstream]%s 连接 %s(%s):%s 未命中。time:%s' %
(self.get_display_name(), address[0], ip, address[1], t))
else:
aync_task.sock = sock
aync_task.evt.set()
logging.debug(
u'[upstream]%s 连接 %s(%s):%s 命中。time:%s' %
(self.get_display_name(), address[0], ip, address[1], t))
def _create_connection_all_end(self, aync_task):
u"""在所有链接全部出错时发出事件通知主协程。"""
aync_task.group.join()
if aync_task.sock is None:
aync_task.evt.set()
def create_connection(self, address, timeout=10):
ip_list = dnslib.dnsQuery(address[0])
# 尝试连接缓存
route_list = self.get_route_order_ping(address[0], address[1], None)
if route_list:
try:
route = route_list[0]
hit_ip = route['hit_ip']
if hit_ip in ip_list:
cache_timeout = route['tcp_ping']
if cache_timeout < 1000:
cache_timeout = cache_timeout * 2
else:
cache_timeout = cache_timeout + 1000
cache_timeout = int(math.ceil(cache_timeout / 1000.0))
start_time = int(time.time() * 1000)
sock = self._direct_create_connection(
address, hit_ip, cache_timeout)
t = int(time.time() * 1000) - start_time
logging.debug(
u'[upstream][RouteCache]%s 缓存记录 连接 %s(%s):%s 命中。time:%s'
% (self.get_display_name(), address[0], hit_ip,
address[1], t))
self.update_route_ping(address[0], address[1], t, hit_ip)
return sock
else:
logging.debug(
u'[upstream][RouteCache]%s 缓存记录 连接 %s(%s):%s IP 不匹配，放弃缓存。'
% (self.get_display_name(), address[0], hit_ip,
address[1]))
except:
t = int(time.time() * 1000) - start_time
info = traceback.format_exc()
logging.debug(
u'[upstream][RouteCache]%s 缓存记录 连接 %s(%s):%s 失败。time:%s' %
(self.get_display_name(), address[0], hit_ip, address[1],
t))
logging.debug('%s\r\n\r\n' % info)
# 缓存失败，连接全部
evt = Event()
group = Group()
aync_task = DirectAsyncTask(evt, None, group)
for ip in ip_list:
group.add(
gevent.spawn(self._create_connection, aync_task, address, ip,
timeout))
# 所有连接失败时发出通知
gevent.spawn(self._create_connection_all_end, aync_task)
evt.wait()
if aync_task.sock:
return aync_task.sock
else:
raise UpstreamConnectError()
class MultipathUpstream(UpstreamBase):
u""" 多路径 socket 模块
对于 tcp 连接，同时使用多个线路尝试连接，最终使用最快建立连接的线路。
使用方式为创建本类实例，然后把实例当作 socket 模块即可。所有的操作都会经过 config 配置的线路。
以后也许会弄个当连接多路复用。
"""
def __init__(self, config):
u""" 初始化直连 socket 环境 """
UpstreamBase.__init__(self, config)
self.route_cache = LRUCacheDict(500, 10 * 60 * 1000)
self._list = config.get('list', [{'type': 'direct'}])
self.upstream_dict = {}
for i in self._list:
type = i.get('type')
if not type:
raise ConfigError(u'[upstream]代理类型不能为空！ ')
Upstream = upstream.get_upstream(type)
u = Upstream(i)
self.upstream_dict[u.get_name()] = u
u'''
class socket(SocketBase):
def __init__(self, family=_socket.AF_INET, type=_socket.SOCK_STREAM, proto=0, _sock=None):
if _sock is None:
_sock = socket.upsocket.socket(family=family, type=type, proto=proto)
_sock.bind((socket.source_ip, socket.source_port))
SocketBase.__init__(self, _sock)
socket.upstream = self.upstream
self.socket = socket'''
def get_route_order_ping(self, hostname, port, default=None):
route = self.get_route_cache(hostname, port, None)
if route:
return sorted(route.values(), key=lambda x: x['tcp_ping'])
return None
def get_route_cache(self, hostname, port, default=None):
return self.route_cache.get('%s-%s' % (hostname, port), default)
def __set_route_cache(self, hostname, port, value):
self.route_cache['%s-%s' % (hostname, port)] = value
def update_route_ping(self, proxyName, hostname, port, ping, ip=None):
proxyDict = self.get_route_cache(hostname, port)
if proxyDict == None:
proxyDict = {}
self.__set_route_cache(hostname, port, proxyDict)
proxyDict['%s-%s' % (proxyName, ip)] = {
'tcp_ping': ping,
'proxy_name': proxyName,
'hit_ip': ip
}
def _create_connection(self, _upstream, aync_task, address, timeout=10):
# 实际连接部分
start_time = int(time.time() * 1000)
try:
sock = _upstream.create_connection(address, timeout)
except:
t = int(time.time() * 1000) - start_time
info = traceback.format_exc()
logging.debug(
u'[upstream]%s 连接 %s:%s 失败。time:%s' %
(_upstream.get_display_name(), address[0], address[1], t))
logging.debug('%s\r\n\r\n' % info)
return
t = int(time.time() * 1000) - start_time
self.update_route_ping(_upstream.get_name(), address[0], address[1], t)
if aync_task.sock:
sock.close(safe=False)
logging.debug(
u'[upstream]%s 连接 %s:%s 未命中。time:%s' %
(_upstream.get_display_name(), address[0], address[1], t))
else:
aync_task.sock = sock
aync_task.evt.set()
logging.debug(
u'[upstream]%s 连接 %s:%s 命中。time:%s' %
(_upstream.get_display_name(), address[0], address[1], t))
def _create_connection_all_end(self, aync_task):
u"""在所有链接全部出错时发出事件通知主协程。"""
aync_task.group.join()
if aync_task.sock is None:
aync_task.evt.set()
def create_connection(self, address, timeout=10):
# 尝试连接缓存
route_list = self.get_route_order_ping(address[0], address[1], None)
if route_list:
try:
route = route_list[0]
cache_timeout = route['tcp_ping']
if cache_timeout < 1000:
cache_timeout = cache_timeout * 2
else:
cache_timeout = cache_timeout + 1000
cache_timeout = int(math.ceil(cache_timeout / 1000.0))
_upstream = self.upstream_dict.get(route['proxy_name'])
start_time = int(time.time() * 1000)
sock = _upstream.create_connection(address, cache_timeout)
t = int(time.time() * 1000) - start_time
logging.debug(
u'[upstream][RouteCache]%s 缓存记录 连接 %s:%s 命中。time:%s' %
(_upstream.get_display_name(), address[0], address[1], t))
self.update_route_ping(_upstream.get_name(), address[0],
address[1], t)
return sock
except:
t = int(time.time() * 1000) - start_time
info = traceback.format_exc()
logging.debug(
u'[upstream][RouteCache]%s 缓存记录 连接 %s:%s 失败。time:%s' %
(_upstream.get_display_name(), address[0], address[1], t))
logging.debug('%s\r\n\r\n' % info)
# 缓存失败，连接全部
evt = Event()
group = Group()
aync_task = MultipathAsyncTask(evt, None, group)
for _upstream in self.upstream_dict.values():
group.add(
gevent.spawn(self._create_connection, _upstream, aync_task,
address, timeout))
# 所有连接失败时发出通知
gevent.spawn(self._create_connection_all_end, aync_task)
evt.wait()
if aync_task.sock:
return aync_task.sock
else:
raise UpstreamConnectError()
def get_display_name(self):
return '[%s]' % (self.type)
def get_name(self):
return '%s' % (self.type)
class DirectUpstream(UpstreamBase):
u""" 直接连接 socket 模块
使用方式为创建本类实例，然后把实例当作 socket 模块即可。所有的操作都会经过 config 配置的线路。
"""
def __init__(self,config):
u""" 初始化直连 socket 环境 """
UpstreamBase.__init__(self,config=config)
self.source_ip = config.get('source_ip','0.0.0.0')
self.source_port = config.get('source_port',0)
self.route_cache = LRUCacheDict(500, 10 * 60 * 1000)
if self.source_ip == '0.0.0.0' and self.source_port==0:
self.source_address = None
else:
self.source_address=(self.source_ip,self.source_port)
class socket(SocketBase):
def __init__(self, family=_socket.AF_INET, type=_socket.SOCK_STREAM, proto=0,_sock=None):
if _sock is None:
_sock = socket.upsocket.socket(family=family,type=type,proto=proto)
_sock.bind(self.source_address)
SocketBase.__init__(self,_sock)
socket.source_address = self.source_address
socket.upstream = self.upstream
self.socket = socket
def get_display_name(self):
return '[%s]source_ip=%s,source_port=%s' % (self.type,self.source_ip,self.source_port)
def get_name(self):
return '%s?source=%s&source_port=%s' % (self.type,self.source_ip,self.source_port)
def get_route_order_ping(self, hostname, port, default=None):
route = self.get_route_cache(hostname, port, None)
if route:
return sorted(route.values(), key=lambda x: x['tcp_ping'])
return None
def get_route_cache(self, hostname, port, default=None):
return self.route_cache.get('%s-%s' % (hostname, port), default)
def __set_route_cache(self, hostname, port, value):
self.route_cache['%s-%s' % (hostname, port)] = value
def update_route_ping(self, hostname, port, ping, ip):
proxyDict = self.get_route_cache(hostname, port)
if proxyDict == None:
proxyDict = {}
self.__set_route_cache(hostname, port, proxyDict)
proxyDict['%s' % ( ip)] = {
'tcp_ping': ping,
'hit_ip': ip
}
def _direct_create_connection(self,address,ip, timeout=10):
# 实际连接
_sock = self.upstream.create_connection((ip,address[1]),timeout,source_address=self.source_address)
sock = self.socket(_sock=_sock)
_sock.setsockopt(_socket.IPPROTO_TCP,_socket.TCP_NODELAY, 1)
return sock
def _create_connection(self, aync_task, address,ip, timeout=10):
# 多线程连接执行部分
start_time = int(time.time() * 1000)
try:
sock = self._direct_create_connection(address,ip, timeout)
except:
t = int(time.time() * 1000) - start_time
info = traceback.format_exc()
logging.debug(
u'[upstream]%s 连接 %s(%s):%s 失败。time:%s' % (self.get_display_name(), address[0],ip, address[1], t))
logging.debug('%s\r\n\r\n' % info)
return
t = int(time.time() * 1000) - start_time
self.update_route_ping(address[0],address[1],t,ip)
if aync_task.sock:
sock.close(safe=False)
logging.debug(
u'[upstream]%s 连接 %s(%s):%s 未命中。time:%s' % (self.get_display_name(), address[0],ip, address[1], t))
else:
aync_task.sock = sock
aync_task.evt.set()
logging.debug(
u'[upstream]%s 连接 %s(%s):%s 命中。time:%s' % (self.get_display_name(), address[0],ip, address[1], t))
def _create_connection_all_end(self, aync_task):
u"""在所有链接全部出错时发出事件通知主协程。"""
aync_task.group.join()
if aync_task.sock is None:
aync_task.evt.set()
def create_connection(self, address, timeout=10):
ip_list = dnslib.dnsQuery(address[0])
# 尝试连接缓存
route_list = self.get_route_order_ping(address[0],address[1],None)
if route_list:
try:
route = route_list[0]
hit_ip = route['hit_ip']
if hit_ip in ip_list:
cache_timeout = route['tcp_ping']
if cache_timeout<1000:
cache_timeout = cache_timeout * 2
else:
cache_timeout = cache_timeout+1000
cache_timeout = int(math.ceil(cache_timeout/1000.0))
start_time = int(time.time() * 1000)
sock = self._direct_create_connection(address,hit_ip, cache_timeout)
t = int(time.time() * 1000) - start_time
logging.debug(u'[upstream][RouteCache]%s 缓存记录 连接 %s(%s):%s 命中。time:%s'%(self.get_display_name(),address[0],hit_ip,address[1],t))
self.update_route_ping(address[0],address[1],t,hit_ip)
return sock
else:
logging.debug(u'[upstream][RouteCache]%s 缓存记录 连接 %s(%s):%s IP 不匹配，放弃缓存。'%(self.get_display_name(),address[0],hit_ip,address[1]))
except:
t = int(time.time() * 1000) - start_time
info = traceback.format_exc()
logging.debug(
u'[upstream][RouteCache]%s 缓存记录 连接 %s(%s):%s 失败。time:%s' % (self.get_display_name(), address[0],hit_ip, address[1],t))
logging.debug('%s\r\n\r\n' % info)
# 缓存失败，连接全部
evt = Event()
group = Group()
aync_task = DirectAsyncTask(evt, None, group)
for ip in ip_list:
group.add(gevent.spawn(self._create_connection, aync_task, address,ip, timeout))
# 所有连接失败时发出通知
gevent.spawn(self._create_connection_all_end, aync_task)
evt.wait()
if aync_task.sock:
return aync_task.sock
else:
raise UpstreamConnectError()