Exported utility functions for RTC and system sleep

client/bin/base_utils.py

Index: client/bin/base_utils.py
diff --git a/client/bin/base_utils.py b/client/bin/base_utils.py
index fe1c9387809115c10d89cfd7fb1410c06e0b9502..f1b1de676be62d337b8a75a63152cf366e3dd991 100644
--- a/client/bin/base_utils.py
+++ b/client/bin/base_utils.py
@@ -741,60 +741,3 @@ def process_is_alive(name_pattern):
                         ignore_status=True) == 0
 
 
-def get_hwclock_seconds(utc=True):
-    """
-    Return the hardware clock in seconds as a floating point value.
-    Use Coordinated Universal Time if utc is True, local time otherwise.
-    Raise a ValueError if unable to read the hardware clock.
-    """
-    cmd = '/sbin/hwclock --debug'
-    if utc:
-        cmd += ' --utc'
-    hwclock_output = utils.system_output(cmd, ignore_status=True)
-    match = re.search(r'= ([0-9]+) seconds since .+ (-?[0-9.]+) seconds$',
-                      hwclock_output, re.DOTALL)
-    if match:
-        seconds = int(match.group(1)) + float(match.group(2))
-        logging.debug('hwclock seconds = %f' % seconds)
-        return seconds
-
-    raise ValueError('Unable to read the hardware clock -- ' +
-                     hwclock_output)
-
-
-def set_wake_alarm(alarm_time):
-    """
-    Set the hardware RTC-based wake alarm to 'alarm_time'.
-    """
-    utils.write_one_line('/sys/class/rtc/rtc0/wakealarm', str(alarm_time))
-
-
-def set_power_state(state):
-    """
-    Set the system power state to 'state'.
-    """
-    utils.write_one_line('/sys/power/state', state)
-
-
-def standby():
-    """
-    Power-on suspend (S1)
-    """
-    set_power_state('standby')
-
-
-def suspend_to_ram():
-    """
-    Suspend the system to RAM (S3)
-    """
-    if os.path.exists('/usr/bin/powerd_suspend'):
-        utils.system('/usr/bin/powerd_suspend')
-    else:
-        set_power_state('mem')
-
-
-def suspend_to_disk():
-    """
-    Suspend the system to disk (S4)
-    """
-    set_power_state('disk')