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from LPCProto import *

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class LPCBootProto(LPCProto):

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    def HandleTransaction(self, transaction):

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        self.TransactionLock.acquire()

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        try:

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            transaction.SetPseudoFile(self.serialPort)

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            res = transaction.ExchangeData()

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        finally:

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            self.TransactionLock.release()

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        return "Stopped", res

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class LPCBootTransaction:

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    def __init__(self, optdata = ""):

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        self.OptData = optdata

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        self.pseudofile = None

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    def SetPseudoFile(self, pseudofile):

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        self.pseudofile = pseudofile

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    def SendData(self):

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        res = self.pseudofile.write(self.OptData)

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        return True 

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    def GetData(self):

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        pass # not impl

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    def ExchangeData(self): 

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        pass

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class KEEPBOOTINGTransaction(LPCBootTransaction):

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    def __init__(self):

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        LPCBootTransaction.__init__(self, "md5\n")

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    ExchangeData = LPCBootTransaction.SendData

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class LOADTransaction(LPCBootTransaction):

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        LPCBootTransaction.__init__(self, data)

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