我正在使用多端口应用程序，我的问题是关于我使用的解码器，让我用代码解释
这是我的tac文件，在那里我从配置文件中读取了我将使用的端口，此配置文件具有用于侦听客户端的端口部分，也是用于接收数据的解码器，例如
[protocols]
keys: vt310,gt06,al900c
[al900c]
name:AL900C
port: 5010
[vt310]
name:VT310
port: 5020
[other]
name:OTHER
port: 5030
正如你所看到的，我开始告诉解码器将在配置文件中搜索
import os, sys
import ConfigParser
from twisted.application import internet, service
from twisted.internet import protocol
from listener.TrackerServer import TrackerServer
PROJECT_DIR = os.path.abspath(os.path.dirname(__file__))
sys.path.append(PROJECT_DIR)
path = None
config = ConfigParser.ConfigParser()
config.read('protocols.cfg')
application = service.Application("tracker")
for device in config.get('protocols', 'keys').split(','):
factory = protocol.ServerFactory()
factory.clients = []
factory.decoder = None
factory.protocol = TrackerServer
factory.devicer = config.get(device, 'name')
internet.TCPServer(int(config.get(device, 'port')), factory).setServiceParent(application)
我的服务器，每次启动连接时，服务器必须使用在工厂创建时分配的解码器，
from twisted.internet import threads
from twisted.internet.protocol import Factory, Protocol
class TrackerServer(Protocol):
"""Tracker Twisted Protocol Class."""
def connectionMade(self):
"""ConnectionMade Twisted event."""
try:
decoderModule = __import__('listener.protocols.%sDecoder' % (self.factory.devicer, ), fromlist=['%sDecoder' % (self.factory.devicer, )])
decoderClass = getattr(decoderModule, '%sDecoder' % (self.factory.devicer, ))
self.factory.decoder = decoderClass()
print 'Connection made to', self.transport.getHost(), 'from', self.transport.getPeer()
self.factory.clients.append(self)
except ValueError:
print "Oops! Connection was not started"
def connectionLost(self, reason):
"""ConnectionLost Twisted event."""
self.factory.clients.remove(self)
print "Connection lost ", reason
def dataReceived(self, data):
"""DataReceived Twisted event."""
#try:
""" how to precess here a line for a specific client"""
self.sendResponse(self.factory.decoder.processDatagram(data))
#d = threads.deferToThread(self.factory.decoder.processDatagram(data ))
#d.addCallback(self.sendResponse)
#except ValueError:
# print "Oops! That was no valid data. Try again..."
def sendResponse (self, response):
self.transport.write(response)
问题是，至少我已经注意到，每次启动时，最后一个解码器都会启动，正如您所看到的，在这种情况下，将始终使用gt06，我需要使用解码器根据端口，这是我的日志，您可以注意到在2013-05-04 11：29：56-0500，用于解码更改的类
2013-05-08 09:09:05-0500 [TrackerServer,20,200.108.107.17] [03863077 @ GT06Decoder : Loging] 78780d01086471700386307700af40fe0d0a
2013-05-08 09:09:07-0500 [TrackerServer,20,200.108.107.17] [03863077 @ GT06Decoder : Locating] lat: -16.4255433333, lng: -71.5245183333
2013-05-08 09:09:09-0500 [TrackerServer,20,200.108.107.17] [03863077 @ GT06Decoder : Status] 78780a13440604000200b1085f0d0a
2013-05-08 09:09:10-0500 [TrackerServer,20,200.108.107.17] [03863077 @ GT06Decoder : Locating] lat: -16.42506, lng: -71.5245766667
2013-05-08 09:09:17-0500 [TrackerServer,20,200.108.107.17] [03863077 @ GT06Decoder : Locating] lat: -16.4262866667, lng: -71.5243683333
2013-05-08 09:09:23-0500 [TrackerServer,20,200.108.107.17] [03863077 @ GT06Decoder : Locating] lat: -16.42436, lng: -71.5247866667
2013-05-08 09:09:25-0500 [TrackerServer,20,200.108.107.17] [03863077 @ GT06Decoder : Locating] lat: -16.4249, lng: -71.5246266667
2013-05-08 09:09:27-0500 [TrackerServer,20,200.108.107.17] [03863077 @ GT06Decoder : Locating] lat: -16.4271233333, lng: -71.524145
2013-05-08 09:09:38-0500 [TrackerServer,20,200.108.107.17] [03863077 @ GT06Decoder : Locating] lat: -16.428455, lng: -71.5238933333
2013-05-08 09:09:43-0500 [TrackerServer,1,190.113.208.135] [11742151 @ AL900CDecoder : Header is no valid] 2929b10007117421510caf0d
2013-05-08 09:09:47-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.4291516667, lng: -71.5238566667
2013-05-08 09:09:59-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.4293483333, lng: -71.5248666667
2013-05-08 09:10:08-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.4294916667, lng: -71.525855
2013-05-08 09:10:18-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.4296616667, lng: -71.526645
2013-05-08 09:10:27-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.4297583333, lng: -71.5266416667
2013-05-08 09:10:37-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.430435, lng: -71.5265033333
2013-05-08 09:10:47-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.43122, lng: -71.5263833333
2013-05-08 09:10:57-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.4317583333, lng: -71.52629
2013-05-08 09:11:07-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.4323416667, lng: -71.5262116667
2013-05-08 09:11:17-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.4328383333, lng: -71.5261283333
2013-05-08 09:11:27-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.43324, lng: -71.526085
2013-05-08 09:11:38-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.43384, lng: -71.5259933333
2013-05-08 09:11:47-0500 [TrackerServer,20,200.108.107.17] [11742151 @ GT06Decoder : Locating] lat: -16.4342116667, lng: -71.5259316667
2013-05-08 09:11:56-0500 [TrackerServer,21,200.108.107.17] [32045214 @ AL900CDecoder : Header is no valid] 2929b10007320452140cca0d
2013-05-08 09:11:57-0500 [TrackerServer,20,200.108.107.17] [32045214 @ GT06Decoder : Locating] lat: -16.4349533333, lng: -71.52572
2013-05-08 09:12:07-0500 [TrackerServer,20,200.108.107.17] [32045214 @ GT06Decoder : Locating] lat: -16.43544, lng: -71.5255333333
2013-05-08 09:12:08-0500 [TrackerServer,20,200.108.107.17] [32045214 @ GT06Decoder : Status] 78780a13440604000200c71eee0d0a
2013-05-08 09:12:17-0500 [TrackerServer,20,200.108.107.17] [32045214 @ GT06Decoder : Locating] lat: -16.43572, lng: -71.52553
2013-05-08 09:12:18-0500 [TrackerServer,21,200.108.107.17] [32045214 @ AL900CDecoder : Header is no valid] 2929b10007320452140cca0d
2013-05-08 09:12:27-0500 [TrackerServer,20,200.108.107.17] [32045214 @ GT06Decoder : Locating] lat: -16.4359733333, lng: -71.526235
答案 0 :(得分：3)
您正在使用全局变量来指定其中一个端口上的服务器使用哪个解码器：
factory = protocol.ServerFactory()
factory.protocol = TrackerServer
factory.protocol.decoder = deco
由于全局只能有一个值，因此只能定义一个解码器。
这一行之后：
factory.protocol = TrackerServer
factory.protocol指的是TrackerServer指的同一个对象。所以该计划有效地做到了：
TrackerServer.decoder = deco
循环内部。很清楚，那不会做你想要的，对吗？
作为替代方案，请在循环中尝试factory.decoder = deco，在协议实现中尝试self.factory.decoder（替换self.decoder）。