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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi experts<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have a program written by twisted to receive data from the server.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>But the speed is a little slow.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>The problem happened in the code below<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:blue'>def</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'> </span><b><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:fuchsia'>dataReceived</span></b><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'>(</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:gray'>self</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'>, data):</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#FF8000'>"""</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#FF8000'> Appends newly received data to the receive buffer, and</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#FF8000'> then attempts to parse as many messages as possible.</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#FF8000'> """</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:green'># Buffer possibly incomplete data first</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:gray'>self</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'>.receiveBuffer += data</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:green'># Attempt to parse as many messages as possible</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:blue'>while</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'>(</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:gray'>self</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'>.parseBuffer()): </span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:blue'>pass</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'>the function of parseBuffer will return false if the self.receiveBuffer has no message, and then the twisted will receive data from buffer again.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:black'>Because the function of parseBuffer is a litter time consuming, so the receive buffer is full sometimes.</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Could there anybody help me out? Thanks a lot.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal align=left style='text-align:left'><span lang=EN-US style='font-size:10.0pt;color:#1F497D'>Best</span><span lang=EN-US style='font-size:10.0pt;font-family:SimSun;color:black'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left'><span lang=EN-US style='font-size:10.0pt;color:#1F497D'>Regards,</span><span lang=EN-US style='font-size:10.0pt;font-family:SimSun;color:black'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left'><span lang=EN-US style='font-size:10.0pt;color:#1F497D'> </span><span lang=EN-US style='font-size:10.0pt;font-family:SimSun;color:black'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:#1F497D'>Xiao peng</span><span lang=EN-US><o:p></o:p></span></p></div></body></html>