# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import logging

from autotest_lib.client.common_lib import error
from autotest_lib.server.cros.faftsequence import FAFTSequence

class firmware_ECBootTime(FAFTSequence):
    """
    Servo based EC boot time test.
    """
    version = 1

    def setup(self):
        super(firmware_ECBootTime, self).setup()
        # Only run in normal mode
        self.setup_dev_mode(False)


    def check_boot_time(self):
        boot_msg = ("([0-9\.]+) Port 80"
                if self._x86 else "([0-9\.]+) AP running")
        power_cmd = "powerbtn" if self._x86 else "power on"
        reboot = self.send_uart_command_get_output("reboot ap-off",
                "([0-9\.]+) Inits done")
        power_press = self.send_uart_command_get_output(power_cmd,
                ["\[([0-9\.]+) PB", boot_msg], timeout=3)
        reboot_time = float(reboot[0].group(1))
        power_press_time = float(power_press[0].group(1))
        firmware_resp_time = float(power_press[1].group(1))
        boot_time = firmware_resp_time - power_press_time
        logging.info("EC cold boot time: %f s" % reboot_time)
        if reboot_time > 1.0:
            raise error.TestFail("EC cold boot time longer than 1 second.")
        logging.info("EC boot time: %f s" % boot_time)
        if boot_time > 1.0:
            raise error.TestFail("Boot time longer than 1 second.")


    def run_once(self, host=None):
        if not self.check_ec_capability():
            return
        self._x86 = ('x86' in self.client_attr.ec_capability)
        dev_mode = self.crossystem_checker({'devsw_boot': '1'})
        self.register_faft_sequence((
            {   # Step 1, Reboot and check EC cold boot time and host boot time
                'reboot_action': self.check_boot_time,
                'firmware_action': (self.wait_fw_screen_and_ctrl_d
                                    if dev_mode else None)
            },
            {   # Step 2, dummy step to make step 1 reboot
            }
        ))
        self.run_faft_sequence()