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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
class PingFilter(object):
"""Ping filter that accepts any pings."""
def __call__(self, ping):
return True
class DeletionRequestPingFilter(PingFilter):
"""Ping filter that accepts deletion-request pings."""
def __call__(self, ping):
if not super(DeletionRequestPingFilter, self).__call__(ping):
return False
return ping["type"] == "deletion-request"
class EventPingFilter(PingFilter):
"""Ping filter that accepts event pings."""
def __call__(self, ping):
if not super(EventPingFilter, self).__call__(ping):
return False
return ping["type"] == "event"
class FirstShutdownPingFilter(PingFilter):
"""Ping filter that accepts first-shutdown pings."""
def __call__(self, ping):
if not super(FirstShutdownPingFilter, self).__call__(ping):
return False
return ping["type"] == "first-shutdown"
class MainPingFilter(PingFilter):
"""Ping filter that accepts main pings."""
def __call__(self, ping):
if not super(MainPingFilter, self).__call__(ping):
return False
return ping["type"] == "main"
class MainPingReasonFilter(MainPingFilter):
"""Ping filter that accepts main pings that match the
specified reason.
"""
def __init__(self, reason):
super(MainPingReasonFilter, self).__init__()
self.reason = reason
def __call__(self, ping):
if not super(MainPingReasonFilter, self).__call__(ping):
return False
return ping["payload"]["info"]["reason"] == self.reason
ANY_PING = PingFilter()
DELETION_REQUEST_PING = DeletionRequestPingFilter()
EVENT_PING = EventPingFilter()
FIRST_SHUTDOWN_PING = FirstShutdownPingFilter()
MAIN_PING = MainPingFilter()
MAIN_SHUTDOWN_PING = MainPingReasonFilter("shutdown")
MAIN_ENVIRONMENT_CHANGE_PING = MainPingReasonFilter("environment-change")