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db_transfer.py
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db_transfer.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
import logging
import time
import sys
from server_pool import ServerPool
import traceback
from shadowsocks import common, shell, lru_cache, obfs
from configloader import load_config, get_config
import importloader
import copy
switchrule = None
db_instance = None
class TransferBase(object):
def __init__(self):
import threading
self.event = threading.Event()
self.key_list = ['port', 'u', 'd', 'transfer_enable', 'passwd', 'enable']
self.last_get_transfer = {} #上一次的实际流量
self.last_update_transfer = {} #上一次更新到的流量(小于等于实际流量)
self.force_update_transfer = set() #强制推入数据库的ID
self.port_uid_table = {} #端口到uid的映射(仅v3以上有用)
self.onlineuser_cache = lru_cache.LRUCache(timeout=60*30) #用户在线状态记录
self.pull_ok = False #记录是否已经拉出过数据
self.mu_ports = {}
def load_cfg(self):
pass
def push_db_all_user(self):
if self.pull_ok is False:
return
#更新用户流量到数据库
last_transfer = self.last_update_transfer
curr_transfer = ServerPool.get_instance().get_servers_transfer()
#上次和本次的增量
dt_transfer = {}
for id in self.force_update_transfer: #此表中的用户统计上次未计入的流量
if id in self.last_get_transfer and id in last_transfer:
dt_transfer[id] = [self.last_get_transfer[id][0] - last_transfer[id][0], self.last_get_transfer[id][1] - last_transfer[id][1]]
for id in curr_transfer.keys():
if id in self.force_update_transfer or id in self.mu_ports:
continue
#算出与上次记录的流量差值,保存于dt_transfer表
if id in last_transfer:
if curr_transfer[id][0] + curr_transfer[id][1] - last_transfer[id][0] - last_transfer[id][1] <= 0:
continue
dt_transfer[id] = [curr_transfer[id][0] - last_transfer[id][0],
curr_transfer[id][1] - last_transfer[id][1]]
else:
if curr_transfer[id][0] + curr_transfer[id][1] <= 0:
continue
dt_transfer[id] = [curr_transfer[id][0], curr_transfer[id][1]]
#有流量的,先记录在线状态
if id in self.last_get_transfer:
if curr_transfer[id][0] + curr_transfer[id][1] > self.last_get_transfer[id][0] + self.last_get_transfer[id][1]:
self.onlineuser_cache[id] = curr_transfer[id][0] + curr_transfer[id][1]
else:
self.onlineuser_cache[id] = curr_transfer[id][0] + curr_transfer[id][1]
self.onlineuser_cache.sweep()
update_transfer = self.update_all_user(dt_transfer) #返回有更新的表
for id in update_transfer.keys(): #其增量加在此表
if id not in self.force_update_transfer: #但排除在force_update_transfer内的
last = self.last_update_transfer.get(id, [0,0])
self.last_update_transfer[id] = [last[0] + update_transfer[id][0], last[1] + update_transfer[id][1]]
self.last_get_transfer = curr_transfer
for id in self.force_update_transfer:
if id in self.last_update_transfer:
del self.last_update_transfer[id]
if id in self.last_get_transfer:
del self.last_get_transfer[id]
self.force_update_transfer = set()
def del_server_out_of_bound_safe(self, last_rows, rows):
#停止超流量的服务
#启动没超流量的服务
keymap = {}
try:
switchrule = importloader.load('switchrule')
keymap = switchrule.getRowMap()
except Exception as e:
logging.error('load switchrule.py fail')
cur_servers = {}
new_servers = {}
allow_users = {}
mu_servers = {}
config = shell.get_config(False)
for row in rows:
try:
allow = switchrule.isTurnOn(row) and row['enable'] == 1 and row['u'] + row['d'] < row['transfer_enable']
except Exception as e:
allow = False
port = row['port']
passwd = common.to_bytes(row['passwd'])
if hasattr(passwd, 'encode'):
passwd = passwd.encode('utf-8')
cfg = {'password': passwd}
if 'id' in row:
self.port_uid_table[row['port']] = row['id']
read_config_keys = ['method', 'obfs', 'obfs_param', 'protocol', 'protocol_param', 'forbidden_ip', 'forbidden_port', 'speed_limit_per_con', 'speed_limit_per_user']
for name in read_config_keys:
if name in row and row[name]:
if name in keymap:
cfg[keymap[name]] = row[name]
else:
cfg[name] = row[name]
merge_config_keys = ['password'] + read_config_keys
for name in cfg.keys():
if hasattr(cfg[name], 'encode'):
try:
cfg[name] = cfg[name].encode('utf-8')
except Exception as e:
logging.warning('encode cfg key "%s" fail, val "%s"' % (name, cfg[name]))
if port not in cur_servers:
cur_servers[port] = passwd
else:
logging.error('more than one user use the same port [%s]' % (port,))
continue
if 'protocol' in cfg and 'protocol_param' in cfg and common.to_str(cfg['protocol']) in obfs.mu_protocol():
if '#' in common.to_str(cfg['protocol_param']):
mu_servers[port] = passwd
allow = True
if allow:
if port not in mu_servers:
allow_users[port] = cfg
cfgchange = False
if port in ServerPool.get_instance().tcp_servers_pool:
relay = ServerPool.get_instance().tcp_servers_pool[port]
for name in merge_config_keys:
if name in cfg and not self.cmp(cfg[name], relay._config[name]):
cfgchange = True
break
if not cfgchange and port in ServerPool.get_instance().tcp_ipv6_servers_pool:
relay = ServerPool.get_instance().tcp_ipv6_servers_pool[port]
for name in merge_config_keys:
if (name in cfg) and ((name not in relay._config) or not self.cmp(cfg[name], relay._config[name])):
cfgchange = True
break
if port in mu_servers:
if ServerPool.get_instance().server_is_run(port) > 0:
if cfgchange:
logging.info('db stop server at port [%s] reason: config changed: %s' % (port, cfg))
ServerPool.get_instance().cb_del_server(port)
self.force_update_transfer.add(port)
new_servers[port] = (passwd, cfg)
else:
self.new_server(port, passwd, cfg)
else:
if ServerPool.get_instance().server_is_run(port) > 0:
if config['additional_ports_only'] or not allow:
logging.info('db stop server at port [%s]' % (port,))
ServerPool.get_instance().cb_del_server(port)
self.force_update_transfer.add(port)
else:
if cfgchange:
logging.info('db stop server at port [%s] reason: config changed: %s' % (port, cfg))
ServerPool.get_instance().cb_del_server(port)
self.force_update_transfer.add(port)
new_servers[port] = (passwd, cfg)
elif not config['additional_ports_only'] and allow and port > 0 and port < 65536 and ServerPool.get_instance().server_run_status(port) is False:
self.new_server(port, passwd, cfg)
for row in last_rows:
if row['port'] in cur_servers:
pass
else:
logging.info('db stop server at port [%s] reason: port not exist' % (row['port']))
ServerPool.get_instance().cb_del_server(row['port'])
self.clear_cache(row['port'])
if row['port'] in self.port_uid_table:
del self.port_uid_table[row['port']]
if len(new_servers) > 0:
from shadowsocks import eventloop
self.event.wait(eventloop.TIMEOUT_PRECISION + eventloop.TIMEOUT_PRECISION / 2)
for port in new_servers.keys():
passwd, cfg = new_servers[port]
self.new_server(port, passwd, cfg)
logging.debug('db allow users %s \nmu_servers %s' % (allow_users, mu_servers))
for port in mu_servers:
ServerPool.get_instance().update_mu_users(port, allow_users)
self.mu_ports = mu_servers
def clear_cache(self, port):
if port in self.force_update_transfer: del self.force_update_transfer[port]
if port in self.last_get_transfer: del self.last_get_transfer[port]
if port in self.last_update_transfer: del self.last_update_transfer[port]
def new_server(self, port, passwd, cfg):
protocol = cfg.get('protocol', ServerPool.get_instance().config.get('protocol', 'origin'))
method = cfg.get('method', ServerPool.get_instance().config.get('method', 'None'))
obfs = cfg.get('obfs', ServerPool.get_instance().config.get('obfs', 'plain'))
logging.info('db start server at port [%s] pass [%s] protocol [%s] method [%s] obfs [%s]' % (port, passwd, protocol, method, obfs))
ServerPool.get_instance().new_server(port, cfg)
def cmp(self, val1, val2):
if type(val1) is bytes:
val1 = common.to_str(val1)
if type(val2) is bytes:
val2 = common.to_str(val2)
return val1 == val2
@staticmethod
def del_servers():
for port in [v for v in ServerPool.get_instance().tcp_servers_pool.keys()]:
if ServerPool.get_instance().server_is_run(port) > 0:
ServerPool.get_instance().cb_del_server(port)
for port in [v for v in ServerPool.get_instance().tcp_ipv6_servers_pool.keys()]:
if ServerPool.get_instance().server_is_run(port) > 0:
ServerPool.get_instance().cb_del_server(port)
@staticmethod
def thread_db(obj):
import socket
import time
global db_instance
timeout = 60
socket.setdefaulttimeout(timeout)
last_rows = []
db_instance = obj()
ServerPool.get_instance()
shell.log_shadowsocks_version()
try:
import resource
logging.info('current process RLIMIT_NOFILE resource: soft %d hard %d' % resource.getrlimit(resource.RLIMIT_NOFILE))
except:
pass
try:
while True:
load_config()
db_instance.load_cfg()
try:
db_instance.push_db_all_user()
rows = db_instance.pull_db_all_user()
if rows:
db_instance.pull_ok = True
config = shell.get_config(False)
for port in config['additional_ports']:
val = config['additional_ports'][port]
val['port'] = int(port)
val['enable'] = 1
val['transfer_enable'] = 1024 ** 7
val['u'] = 0
val['d'] = 0
if "password" in val:
val["passwd"] = val["password"]
rows.append(val)
db_instance.del_server_out_of_bound_safe(last_rows, rows)
last_rows = rows
except Exception as e:
trace = traceback.format_exc()
logging.error(trace)
#logging.warn('db thread except:%s' % e)
if db_instance.event.wait(get_config().UPDATE_TIME) or not ServerPool.get_instance().thread.is_alive():
break
except KeyboardInterrupt as e:
pass
db_instance.del_servers()
ServerPool.get_instance().stop()
db_instance = None
@staticmethod
def thread_db_stop():
global db_instance
db_instance.event.set()
class DbTransfer(TransferBase):
def __init__(self):
super(DbTransfer, self).__init__()
self.user_pass = {} #记录更新此用户流量时被跳过多少次
self.cfg = {
"host": "127.0.0.1",
"port": 3306,
"user": "ss",
"password": "pass",
"db": "shadowsocks",
"node_id": 0,
"transfer_mul": 1.0,
"ssl_enable": 0,
"ssl_ca": "",
"ssl_cert": "",
"ssl_key": ""}
self.load_cfg()
def load_cfg(self):
import json
config_path = get_config().MYSQL_CONFIG
cfg = None
with open(config_path, 'rb+') as f:
cfg = json.loads(f.read().decode('utf8'))
if cfg:
self.cfg.update(cfg)
def update_all_user(self, dt_transfer):
import cymysql
update_transfer = {}
query_head = 'UPDATE user'
query_sub_when = ''
query_sub_when2 = ''
query_sub_in = None
last_time = time.time()
for id in dt_transfer.keys():
transfer = dt_transfer[id]
#小于最低更新流量的先不更新
update_trs = 1024 * (2048 - self.user_pass.get(id, 0) * 64)
if transfer[0] + transfer[1] < update_trs and id not in self.force_update_transfer:
self.user_pass[id] = self.user_pass.get(id, 0) + 1
continue
if id in self.user_pass:
del self.user_pass[id]
query_sub_when += ' WHEN %s THEN u+%s' % (id, int(transfer[0] * self.cfg["transfer_mul"]))
query_sub_when2 += ' WHEN %s THEN d+%s' % (id, int(transfer[1] * self.cfg["transfer_mul"]))
update_transfer[id] = transfer
if query_sub_in is not None:
query_sub_in += ',%s' % id
else:
query_sub_in = '%s' % id
if query_sub_when == '':
return update_transfer
query_sql = query_head + ' SET u = CASE port' + query_sub_when + \
' END, d = CASE port' + query_sub_when2 + \
' END, t = ' + str(int(last_time)) + \
' WHERE port IN (%s)' % query_sub_in
if self.cfg["ssl_enable"] == 1:
conn = cymysql.connect(host=self.cfg["host"], port=self.cfg["port"],
user=self.cfg["user"], passwd=self.cfg["password"],
db=self.cfg["db"], charset='utf8',
ssl={'ca':self.cfg["ssl_ca"],'cert':self.cfg["ssl_cert"],'key':self.cfg["ssl_key"]})
else:
conn = cymysql.connect(host=self.cfg["host"], port=self.cfg["port"],
user=self.cfg["user"], passwd=self.cfg["password"],
db=self.cfg["db"], charset='utf8')
try:
cur = conn.cursor()
try:
cur.execute(query_sql)
except Exception as e:
logging.error(e)
update_transfer = {}
cur.close()
conn.commit()
except Exception as e:
logging.error(e)
update_transfer = {}
finally:
conn.close()
return update_transfer
def pull_db_all_user(self):
import cymysql
#数据库所有用户信息
if self.cfg["ssl_enable"] == 1:
conn = cymysql.connect(host=self.cfg["host"], port=self.cfg["port"],
user=self.cfg["user"], passwd=self.cfg["password"],
db=self.cfg["db"], charset='utf8',
ssl={'ca':self.cfg["ssl_ca"],'cert':self.cfg["ssl_cert"],'key':self.cfg["ssl_key"]})
else:
conn = cymysql.connect(host=self.cfg["host"], port=self.cfg["port"],
user=self.cfg["user"], passwd=self.cfg["password"],
db=self.cfg["db"], charset='utf8')
try:
rows = self.pull_db_users(conn)
finally:
conn.close()
if not rows:
logging.warn('no user in db')
return rows
def pull_db_users(self, conn):
keys = copy.copy(self.key_list)
try:
switchrule = importloader.load('switchrule')
keymap = switchrule.getRowMap()
for key in keymap:
if keymap[key] in keys:
keys.remove(keymap[key])
keys.append(key)
keys = switchrule.getKeys(keys)
except Exception as e:
logging.error('load switchrule.py fail')
cur = conn.cursor()
cur.execute("SELECT " + ','.join(keys) + " FROM user WHERE port > 0")
rows = []
for r in cur.fetchall():
d = {}
for column in range(len(keys)):
d[keys[column]] = r[column]
rows.append(d)
cur.close()
return rows
class Dbv3Transfer(DbTransfer):
def __init__(self):
super(Dbv3Transfer, self).__init__()
self.update_node_state = True if get_config().API_INTERFACE != 'legendsockssr' else False
if self.update_node_state:
self.key_list += ['id']
self.key_list += ['method']
if self.update_node_state:
self.ss_node_info_name = 'ss_node_info_log'
if get_config().API_INTERFACE == 'sspanelv3ssr':
self.key_list += ['obfs', 'protocol']
if get_config().API_INTERFACE == 'glzjinmod':
self.key_list += ['obfs', 'protocol']
self.ss_node_info_name = 'ss_node_info'
if get_config().API_INTERFACE == 'ssrpanel':
self.key_list += ['obfs', 'protocol']
self.ss_node_info_name = 'ss_node_info'
else:
self.key_list += ['obfs', 'protocol']
self.start_time = time.time()
def update_all_user(self, dt_transfer):
import cymysql
update_transfer = {}
query_head = 'UPDATE user'
query_sub_when = ''
query_sub_when2 = ''
query_sub_in = None
last_time = time.time()
alive_user_count = len(self.onlineuser_cache)
bandwidth_thistime = 0
if self.cfg["ssl_enable"] == 1:
conn = cymysql.connect(host=self.cfg["host"], port=self.cfg["port"],
user=self.cfg["user"], passwd=self.cfg["password"],
db=self.cfg["db"], charset='utf8',
ssl={'ca':self.cfg["ssl_ca"],'cert':self.cfg["ssl_cert"],'key':self.cfg["ssl_key"]})
else:
conn = cymysql.connect(host=self.cfg["host"], port=self.cfg["port"],
user=self.cfg["user"], passwd=self.cfg["password"],
db=self.cfg["db"], charset='utf8')
conn.autocommit(True)
for id in dt_transfer.keys():
transfer = dt_transfer[id]
bandwidth_thistime = bandwidth_thistime + transfer[0] + transfer[1]
update_trs = 1024 * (2048 - self.user_pass.get(id, 0) * 64)
if transfer[0] + transfer[1] < update_trs:
self.user_pass[id] = self.user_pass.get(id, 0) + 1
continue
if id in self.user_pass:
del self.user_pass[id]
query_sub_when += ' WHEN %s THEN u+%s' % (id, int(transfer[0] * self.cfg["transfer_mul"]))
query_sub_when2 += ' WHEN %s THEN d+%s' % (id, int(transfer[1] * self.cfg["transfer_mul"]))
update_transfer[id] = transfer
if self.update_node_state:
cur = conn.cursor()
try:
if id in self.port_uid_table:
cur.execute("INSERT INTO `user_traffic_log` (`id`, `user_id`, `u`, `d`, `node_id`, `rate`, `traffic`, `log_time`) VALUES (NULL, '" + \
str(self.port_uid_table[id]) + "', '" + str(transfer[0]) + "', '" + str(transfer[1]) + "', '" + \
str(self.cfg["node_id"]) + "', '" + str(self.cfg["transfer_mul"]) + "', '" + \
self.traffic_format((transfer[0] + transfer[1]) * self.cfg["transfer_mul"]) + "', unix_timestamp()); ")
except:
logging.warn('no `user_traffic_log` in db')
cur.close()
if query_sub_in is not None:
query_sub_in += ',%s' % id
else:
query_sub_in = '%s' % id
if query_sub_when != '':
query_sql = query_head + ' SET u = CASE port' + query_sub_when + \
' END, d = CASE port' + query_sub_when2 + \
' END, t = ' + str(int(last_time)) + \
' WHERE port IN (%s)' % query_sub_in
cur = conn.cursor()
try:
cur.execute(query_sql)
except Exception as e:
logging.error(e)
cur.close()
if self.update_node_state:
try:
cur = conn.cursor()
try:
cur.execute("INSERT INTO `ss_node_online_log` (`id`, `node_id`, `online_user`, `log_time`) VALUES (NULL, '" + \
str(self.cfg["node_id"]) + "', '" + str(alive_user_count) + "', unix_timestamp()); ")
except Exception as e:
logging.error(e)
cur.close()
cur = conn.cursor()
try:
cur.execute("INSERT INTO `" + self.ss_node_info_name + "` (`id`, `node_id`, `uptime`, `load`, `log_time`) VALUES (NULL, '" + \
str(self.cfg["node_id"]) + "', '" + str(self.uptime()) + "', '" + \
str(self.load()) + "', unix_timestamp()); ")
except Exception as e:
logging.error(e)
cur.close()
except:
logging.warn('no `ss_node_online_log` or `" + self.ss_node_info_name + "` in db')
conn.close()
return update_transfer
def pull_db_users(self, conn):
keys = copy.copy(self.key_list)
try:
switchrule = importloader.load('switchrule')
keymap = switchrule.getRowMap()
for key in keymap:
if keymap[key] in keys:
keys.remove(keymap[key])
keys.append(key)
keys = switchrule.getKeys(keys)
except Exception as e:
logging.error('load switchrule.py fail')
cur = conn.cursor()
if self.update_node_state:
node_info_keys = ['traffic_rate']
try:
cur.execute("SELECT " + ','.join(node_info_keys) +" FROM ss_node where `id`='" + str(self.cfg["node_id"]) + "'")
nodeinfo = cur.fetchone()
except Exception as e:
logging.error(e)
nodeinfo = None
if nodeinfo == None:
rows = []
cur.close()
conn.commit()
logging.warn('None result when select node info from ss_node in db, maybe you set the incorrect node id')
return rows
cur.close()
node_info_dict = {}
for column in range(len(nodeinfo)):
node_info_dict[node_info_keys[column]] = nodeinfo[column]
self.cfg['transfer_mul'] = float(node_info_dict['traffic_rate'])
cur = conn.cursor()
try:
rows = []
cur.execute("SELECT " + ','.join(keys) + " FROM user WHERE port > 0")
for r in cur.fetchall():
d = {}
for column in range(len(keys)):
d[keys[column]] = r[column]
rows.append(d)
except Exception as e:
logging.error(e)
cur.close()
return rows
def load(self):
import os
return os.popen("cat /proc/loadavg | awk '{ print $1\" \"$2\" \"$3 }'").readlines()[0]
def uptime(self):
return time.time() - self.start_time
def traffic_format(self, traffic):
if traffic < 1024 * 8:
return str(int(traffic)) + "B";
if traffic < 1024 * 1024 * 2:
return str(round((traffic / 1024.0), 2)) + "KB";
return str(round((traffic / 1048576.0), 2)) + "MB";
class MuJsonTransfer(TransferBase):
def __init__(self):
super(MuJsonTransfer, self).__init__()
def update_all_user(self, dt_transfer):
import json
rows = None
config_path = get_config().MUDB_FILE
with open(config_path, 'rb+') as f:
rows = json.loads(f.read().decode('utf8'))
for row in rows:
if "port" in row:
port = row["port"]
if port in dt_transfer:
row["u"] += dt_transfer[port][0]
row["d"] += dt_transfer[port][1]
if rows:
output = json.dumps(rows, sort_keys=True, indent=4, separators=(',', ': '))
with open(config_path, 'r+') as f:
f.write(output)
f.truncate()
return dt_transfer
def pull_db_all_user(self):
import json
rows = None
config_path = get_config().MUDB_FILE
with open(config_path, 'rb+') as f:
rows = json.loads(f.read().decode('utf8'))
for row in rows:
try:
if 'forbidden_ip' in row:
row['forbidden_ip'] = common.IPNetwork(row['forbidden_ip'])
except Exception as e:
logging.error(e)
try:
if 'forbidden_port' in row:
row['forbidden_port'] = common.PortRange(row['forbidden_port'])
except Exception as e:
logging.error(e)
if not rows:
logging.warn('no user in json file')
return rows