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Viewing changes to vendor/Twisted-10.0.0/twisted/conch/avatar.py

  • Committer: Jesse Andrews
  • Date: 2010-05-28 06:05:26 UTC
  • Revision ID: git-v1:bf6e6e718cdc7488e2da87b21e258ccc065fe499
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vendor/Twisted-10.0.0/twisted/conch/avatar.py
 
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# -*- test-case-name: twisted.conch.test.test_conch -*-
 
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from interfaces import IConchUser
 
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from error import ConchError
 
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from ssh.connection import OPEN_UNKNOWN_CHANNEL_TYPE
 
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from twisted.python import log
 
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from zope import interface
 
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class ConchUser:
 
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    interface.implements(IConchUser)
 
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    def __init__(self):
 
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        self.channelLookup = {}
 
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        self.subsystemLookup = {}
 
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    def lookupChannel(self, channelType, windowSize, maxPacket, data):
 
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        klass = self.channelLookup.get(channelType, None)
 
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        if not klass:
 
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            raise ConchError(OPEN_UNKNOWN_CHANNEL_TYPE, "unknown channel")
 
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        else:
 
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            return klass(remoteWindow = windowSize, 
 
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                         remoteMaxPacket = maxPacket, 
 
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                         data=data, avatar=self)
 
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    def lookupSubsystem(self, subsystem, data):
 
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        log.msg(repr(self.subsystemLookup))
 
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        klass = self.subsystemLookup.get(subsystem, None)
 
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        if not klass:
 
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            return False
 
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        return klass(data, avatar=self)
 
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    def gotGlobalRequest(self, requestType, data):
 
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        # XXX should this use method dispatch?
 
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        requestType = requestType.replace('-','_')
 
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        f = getattr(self, "global_%s" % requestType, None)
 
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        if not f:
 
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            return 0
 
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        return f(data)