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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, <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> I setup a breakpoint in Line 637 in bindingxmlrpc.py , which as follows: (branch:4.0; code url is: https://github.com/oVirt/vdsm/tree/ovirt-4.0)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>636 def ping(self):<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>637 api = API.Global()<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>638 return api.ping()<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> But even the vdsm is not managed by any ovirt-engine , the line 637 will be called many times, <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 thought the ping() function will be called only when the ovirt-engine will create connection with vdsm, so why it will be called cycle?<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>Thank you<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></div></body></html>