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272 lines
9.6 KiB
272 lines
9.6 KiB
# -*- coding: utf-8 -*-
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import socket
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import binascii
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from hashlib import md5
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from .core import BaseTransmitter, NasFailedResult, NasNetworkError
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from mydefs import ping
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from .structs import TariffStruct, AbonStruct, IpStruct, ShapeItem
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from . import settings
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from djing.settings import DEBUG
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import re
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class ApiRos:
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"Routeros api"
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def __init__(self, sk):
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self.sk = sk
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self.currenttag = 0
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def login(self, username, pwd):
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for repl, attrs in self.talk_iter(["/login"]):
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chal = binascii.unhexlify(attrs['=ret'])
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md = md5()
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md.update(b'\x00')
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md.update(bytes(pwd, 'utf-8'))
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md.update(chal)
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for r in self.talk_iter(["/login", "=name=" + username,
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"=response=00" + binascii.hexlify(md.digest()).decode('utf-8')]): pass
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def talk_iter(self, words):
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if self.writeSentence(words) == 0: return
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while 1:
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i = self.readSentence()
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if len(i) == 0: continue
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reply = i[0]
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attrs = {}
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for w in i[1:]:
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j = w.find('=', 1)
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if (j == -1):
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attrs[w] = ''
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else:
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attrs[w[:j]] = w[j+1:]
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yield (reply, attrs)
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if reply == '!done': return
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def writeSentence(self, words):
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ret = 0
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for w in words:
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self.writeWord(w)
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ret += 1
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self.writeWord('')
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return ret
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def readSentence(self):
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r = []
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while 1:
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w = self.readWord()
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if w == '': return r
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r.append(w)
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def writeWord(self, w):
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if DEBUG:
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print("<<< " + w)
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b = bytes(w, "utf-8")
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self.writeLen(len(b))
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self.writeBytes(b)
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def readWord(self):
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ret = self.readBytes(self.readLen()).decode('utf-8')
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if DEBUG:
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print(">>> " + ret)
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return ret
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def writeLen(self, l):
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if l < 0x80:
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self.writeBytes(bytes([l]))
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elif l < 0x4000:
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l |= 0x8000
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self.writeBytes(bytes([(l >> 8) & 0xff, l & 0xff]))
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elif l < 0x200000:
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l |= 0xC00000
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self.writeBytes(bytes([(l >> 16) & 0xff, (l >> 8) & 0xff, l & 0xff]))
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elif l < 0x10000000:
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l |= 0xE0000000
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self.writeBytes(bytes([(l >> 24) & 0xff, (l >> 16) & 0xff, (l >> 8) & 0xff, l & 0xff]))
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else:
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self.writeBytes(bytes([0xf0, (l >> 24) & 0xff, (l >> 16) & 0xff, (l >> 8) & 0xff, l & 0xff]))
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def readLen(self):
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c = self.readBytes(1)[0]
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if (c & 0x80) == 0x00:
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pass
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elif (c & 0xC0) == 0x80:
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c &= ~0xC0
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c <<= 8
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c += self.readBytes(1)[0]
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elif (c & 0xE0) == 0xC0:
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c &= ~0xE0
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c <<= 8
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c += self.readBytes(1)[0]
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c <<= 8
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c += self.readBytes(1)[0]
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elif (c & 0xF0) == 0xE0:
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c &= ~0xF0
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c <<= 8
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c += self.readBytes(1)[0]
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c <<= 8
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c += self.readBytes(1)[0]
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c <<= 8
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c += self.readBytes(1)[0]
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elif (c & 0xF8) == 0xF0:
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c = self.readBytes(1)[0]
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c <<= 8
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c += self.readBytes(1)[0]
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c <<= 8
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c += self.readBytes(1)[0]
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c <<= 8
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c += self.readBytes(1)[0]
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return c
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def writeBytes(self, s):
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n = 0
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while n < len(s):
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r = self.sk.send(s[n:])
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if r == 0: raise RuntimeError("connection closed by remote end")
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n += r
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def readBytes(self, length):
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ret = b''
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while len(ret) < length:
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s = self.sk.recv(length - len(ret))
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if len(s) == 0: raise RuntimeError("connection closed by remote end")
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ret += s
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return ret
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class MikrotikTransmitter(BaseTransmitter):
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def __init__(self, login=None, password=None, ip=None, port=None):
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ip = ip or settings.NAS_IP
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if not ping(ip):
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raise NasNetworkError('NAS %s не пингуется' % ip)
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try:
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.connect((ip, port or settings.NAS_PORT))
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self.s = s
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self.ar = ApiRos(s)
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self.ar.login(login or settings.NAS_LOGIN, password or settings.NAS_PASSW)
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except ConnectionRefusedError:
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raise NasNetworkError('Подключение к %s отклонено (Connection Refused)' % ip)
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def __del__(self):
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self.s.close()
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def _exec_cmd_iter(self, cmd):
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assert isinstance(cmd, list)
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result_iter = self.ar.talk_iter(cmd)
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for rt in result_iter:
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if rt[0] == '!trap':
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raise NasFailedResult(rt[1]['=message'])
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yield rt
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def _exec_cmd(self, cmd):
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assert isinstance(cmd, list)
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result_iter = self.ar.talk_iter(cmd)
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res = []
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for rt in result_iter:
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if rt[0] == '!trap':
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raise NasFailedResult(rt[1]['=message'])
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res.append(rt[1])
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return res
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# Строим объект ShapeItem из инфы, присланной из mikrotik'a
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def _build_shape_obj(self, info):
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try:
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speeds = info['=max-limit'].split('/')
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speeds = [re.sub(r'[a-zA-Z]', '', sp) for sp in speeds]
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#FIXBUG: не может распознать входные данные на скорость 62k, надо фильтровать буквы в скоростях
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t = TariffStruct(speedIn=speeds[0], speedOut=speeds[1])
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a = AbonStruct(
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uid=int(info['=name'][3:]),
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ip=info['=target-addresses'][:-3],
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tariff=t
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)
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return ShapeItem(abon=a, sid=info['=.id'].replace('*', ''))
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except KeyError:
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return
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# ищем правило по имени, и возвращаем всю инфу о найденном правиле
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def find_queue(self, name):
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ret = self._exec_cmd(['/queue/simple/print', '?name=%s' % name])
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if ret:
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return self._build_shape_obj(ret[0])
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def add_user_range(self, user_list):
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for usr in user_list:
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self.add_user(usr)
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# В @user_ids передаём номера правил из mikrotik
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def remove_user_range(self, user_ids):
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names = ['%d' % usr for usr in user_ids]
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return self._exec_cmd(['/queue/simple/remove', *names])
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# добавляем правило шейпинга для указанного ip и со скоростью max-limit=Upload/Download
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# Мы уверены что @user это инстанс класса agent.structs.AbonStruct
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def add_user(self, user):
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assert isinstance(user.tariff, TariffStruct)
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assert isinstance(user.ip, IpStruct)
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return self._exec_cmd(['/queue/simple/add',
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'=name=uid%d' % user.uid,
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'=target-addresses=%s' % user.ip.get_str(),
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'=max-limit=%.3fM/%.3fM' % (user.tariff.speedOut, user.tariff.speedIn)
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])
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# удаляем правило шейпера по имени правила
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# В @user передаём номер правила в mikrotik для абонента
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def remove_user(self, user):
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assert type(user) is int
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return self._exec_cmd(['/queue/simple/remove', '=.id=*'+str(user)])
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# обновляем основную инфу абонента
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# @mk_id это номер в mikrotik
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def update_user(self, user, mk_id=None):
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assert mk_id is not None
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assert isinstance(user.tariff, TariffStruct)
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assert isinstance(user.ip, IpStruct)
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return self._exec_cmd(['/queue/simple/set', '=.id=*'+mk_id,
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'=name=uid%d' % user.uid,
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'=max-limit=%.3fM/%.3fM' % (user.tariff.speedOut, user.tariff.speedIn),
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'=target-addresses=%s' % user.ip.get_str()
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])
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# читаем абонентов, возващаем абнента и номер в микротике
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def read_users_iter(self):
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ret_it = self._exec_cmd_iter(['/queue/simple/print', '=detail'])
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for re in ret_it:
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if re[0] == '!done': return
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yield self._build_shape_obj(re[1])
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# то же что и выше, только получаем только номера в микротике
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def read_users_mikroids_iter(self):
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ret_it = self._exec_cmd_iter(['/queue/simple/print', '=detail'])
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for re in ret_it:
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if re[0] == '!done': return
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yield int(re[1]['=.id'].replace('*', ''), base=16)
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# приостановливаем обслуживание абонента
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# в @user передаём номер в микротике
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def pause_user(self, user):
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self._exec_cmd(['/queue/simple/disable', '=.id=*'+user])
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# продолжаем обслуживание абонента
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# в @user передаём номер в микротике
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def start_user(self, user):
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self._exec_cmd(['/queue/simple/enable', '=.id=*'+user])
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# Тарифы хранить нам не надо, так что методы тарифов ниже не реализуем
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def add_tariff_range(self, tariff_list):
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pass
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# соответственно и удалять тарифы не надо
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def remove_tariff_range(self, tariff_list):
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pass
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# и добавлять тоже
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def add_tariff(self, tariff):
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pass
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# и обновлять
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def update_tariff(self, tariff):
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pass
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def remove_tariff(self, tid):
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pass
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