usb_pdml.py 文件源码

def parse_file(self):
        if self.path.endswith("gz"):
            f = gzip.GzipFile(self.path)
        else:
            f = open(self.path)
        tree = ET.parse(f)
        f.close()
        root = tree.getroot()
        current_urbs = {}
        for child in root:
            p = USBPacket(child)
            urb_id = p["usb.urb_id"]
            urb_status = p["usb.urb_status"]
            urb_type = p["usb.urb_type"]
            if (urb_type == URB_TYPE_SUBMIT):
                current_urbs[urb_id] = p
            if (urb_type == URB_TYPE_COMPLETED):
                if (urb_id not in current_urbs):
                    print("Urb id not present: {:x}".format(urb_id))
                else:
                    submit = current_urbs[urb_id]
                    completed = p
                    self.usb_transaction(submit, completed)
                    del current_urbs[urb_id]