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Python Packet.ip_src方法代码示例

本文整理汇总了Python中Packet.ip_src方法的典型用法代码示例。如果您正苦于以下问题:Python Packet.ip_src方法的具体用法?Python Packet.ip_src怎么用?Python Packet.ip_src使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Packet的用法示例。


在下文中一共展示了Packet.ip_src方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: generate

# 需要导入模块: import Packet [as 别名]
# 或者: from Packet import ip_src [as 别名]
  def generate(self):
    while(True):
      Experiment.packet_count = Experiment.packet_count+1
      addr = random.randint(0,Experiment.size-1)
      ipstr = "10.0."+str(addr)+".1"
      if(IPAddress(ipstr) in self.parent.prefix):
        continue

      p = Packet(name="packet")
      p.ip_dst = int(IPAddress(ipstr))
      p.ip_src = self.parent.ip
      p.resp = False
      p.probe = False

      activate(p, p.run(self.parent))
      yield hold, self, random.randint(2, 30)
开发者ID:mbeards,项目名称:pflow,代码行数:18,代码来源:Node.py

示例2: p_get_route

# 需要导入模块: import Packet [as 别名]
# 或者: from Packet import ip_src [as 别名]
  def p_get_route(self, ip, lasthop, packet):
    self.ftableclean()

    #check for flow table matches
    forward_matches = filter(lambda x: (x.ip_src == packet.ip_src and x.ip_dst == packet.ip_dst), self.flow_table)
    reverse_matches = filter(lambda x: (x.ip_dst == packet.ip_src and x.ip_src == packet.ip_dst), self.flow_table)

    routes = filter(lambda x: x.match(ip) and (not x.link.destination in packet.path), self.rib)#and x.link.destination!=lasthop, self.rib)
    if(len(routes) == 0):
      routes = filter(lambda x: x.match(ip), self.rib)

    oldroutes = filter(lambda x: now()-x.timestamp > 300 or x.rttval == 999, routes)


    if(len(oldroutes)>0 and random.random() < 0.25):
      outroute = oldroutes[0]
      Experiment.old = Experiment.old + 1
    else:
      routes.sort(key=(lambda x: x.length*x.rttval))
      if Experiment.m and len(routes)>1:
        r1 = routes[0]
        r2 = routes[1]
        if r2.rttval - r1.rttval <= (r1.rttval/2):
          m1frac = 1.0*r1.m/(r1.m+r2.m)
          m2frac = 1.0*r2.m/(r1.m+r2.m)
          if(random.random() <= m2frac):
            outroute=r2
          else:
            outroute=r1
        else:
          outroute = r1
        
      else:
        Experiment.current = Experiment.current + 1
        outroute = routes[0]
        #print "forward", packet, "along", outroute, "from", routes

    if(len(forward_matches) > 0) and not packet.resp:
      f = forward_matches[0]
      if f.expiry == 1:
        f.expiry = 0
        f.timestamp = now()
      elif f.expiry == 2:
        f.expiry = 1
        return f.route.link
      else:
        if (now() - f.timestamp > 200 and random.random() < .25):
          f.expiry = 2
          Experiment.packet_count = Experiment.packet_count+1
          Experiment.probe_count = Experiment.probe_count+1
          p = Packet(name="packet")
          p.ip_dst = packet.ip_dst
          p.ip_src = self.ip
          p.resp = False
          p.probe = True
          activate(p, p.run(self))

    if(len(reverse_matches) > 0):
      Experiment.revmatch = Experiment.revmatch+1
      #if(reverse_matches[0].expiry == 2):
        #print "ping came back"
      #also cool
      rtt = now() - reverse_matches[0].timestamp
      reverse_matches[0].route.rtt(rtt)
      self.flow_table.remove(reverse_matches[0])
    else:
      self.flow_table.append(Flow(packet.ip_src, packet.ip_dst, now(), now(), outroute, 0))

    outroute.visited = True
    #print "selected", outroute, "from", routes
    return outroute.link
开发者ID:mbeards,项目名称:pflow,代码行数:73,代码来源:Node.py


注:本文中的Packet.ip_src方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。