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# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Datatypes passed between Python and C code."""
import collections
import enum
@enum.unique
class Code(enum.IntEnum):
"""One Platform error codes (see status.h and codes.proto)."""
OK = 0
CANCELLED = 1
UNKNOWN = 2
INVALID_ARGUMENT = 3
EXPIRED = 4
NOT_FOUND = 5
ALREADY_EXISTS = 6
PERMISSION_DENIED = 7
UNAUTHENTICATED = 16
RESOURCE_EXHAUSTED = 8
FAILED_PRECONDITION = 9
ABORTED = 10
OUT_OF_RANGE = 11
UNIMPLEMENTED = 12
INTERNAL_ERROR = 13
UNAVAILABLE = 14
DATA_LOSS = 15
class Status(collections.namedtuple('Status', ['code', 'details'])):
"""Describes an RPC's overall status."""
class ServiceAcceptance(
collections.namedtuple(
'ServiceAcceptance', ['call', 'method', 'host', 'deadline'])):
"""Describes an RPC on the service side at the start of service."""
class Event(
collections.namedtuple(
'Event',
['kind', 'tag', 'write_accepted', 'complete_accepted',
'service_acceptance', 'bytes', 'status', 'metadata'])):
"""Describes an event emitted from a completion queue."""
@enum.unique
class Kind(enum.Enum):
"""Describes the kind of an event."""
STOP = object()
WRITE_ACCEPTED = object()
COMPLETE_ACCEPTED = object()
SERVICE_ACCEPTED = object()
READ_ACCEPTED = object()
METADATA_ACCEPTED = object()
FINISH = object()
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