mirror of
https://github.com/OpenKMIP/PyKMIP.git
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f6b420d2db
This change adds support for the DiscoverVersions operation, including updates to the KMIP client, the client and KMIP core test suites, and a DiscoverVersions unit demo.
133 lines
4.5 KiB
Python
133 lines
4.5 KiB
Python
# Copyright (c) 2015 The Johns Hopkins University/Applied Physics Laboratory
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from six.moves import xrange
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from kmip.core.enums import Tags
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from kmip.core.messages.contents import ProtocolVersion
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from kmip.core.primitives import Struct
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from kmip.core.utils import BytearrayStream
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class DiscoverVersionsRequestPayload(Struct):
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def __init__(self, protocol_versions=None):
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super(DiscoverVersionsRequestPayload, self).__init__(
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Tags.REQUEST_PAYLOAD)
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if protocol_versions is None:
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self.protocol_versions = list()
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else:
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self.protocol_versions = protocol_versions
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self.validate()
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def read(self, istream):
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super(DiscoverVersionsRequestPayload, self).read(istream)
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tstream = BytearrayStream(istream.read(self.length))
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while(self.is_tag_next(Tags.PROTOCOL_VERSION, tstream)):
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protocol_version = ProtocolVersion()
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protocol_version.read(tstream)
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self.protocol_versions.append(protocol_version)
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self.is_oversized(tstream)
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self.validate()
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def write(self, ostream):
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tstream = BytearrayStream()
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for protocol_version in self.protocol_versions:
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protocol_version.write(tstream)
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self.length = tstream.length()
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super(DiscoverVersionsRequestPayload, self).write(ostream)
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ostream.write(tstream.buffer)
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def validate(self):
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self.__validate()
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def __validate(self):
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if isinstance(self.protocol_versions, list):
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for i in xrange(len(self.protocol_versions)):
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protocol_version = self.protocol_versions[i]
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if not isinstance(protocol_version, ProtocolVersion):
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msg = "invalid protocol version ({0} in list)".format(i)
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msg += "; expected {0}, received {1}".format(
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ProtocolVersion, protocol_version)
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raise TypeError(msg)
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else:
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msg = "invalid protocol versions list"
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msg += "; expected {0}, received {1}".format(
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list, self.protocol_versions)
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raise TypeError(msg)
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class DiscoverVersionsResponsePayload(Struct):
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def __init__(self, protocol_versions=None):
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super(DiscoverVersionsResponsePayload, self).__init__(
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Tags.RESPONSE_PAYLOAD)
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if protocol_versions is None:
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self.protocol_versions = list()
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else:
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self.protocol_versions = protocol_versions
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self.validate()
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def read(self, istream):
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super(DiscoverVersionsResponsePayload, self).read(istream)
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tstream = BytearrayStream(istream.read(self.length))
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while(self.is_tag_next(Tags.PROTOCOL_VERSION, tstream)):
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protocol_version = ProtocolVersion()
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protocol_version.read(tstream)
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self.protocol_versions.append(protocol_version)
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self.is_oversized(tstream)
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self.validate()
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def write(self, ostream):
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tstream = BytearrayStream()
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for protocol_version in self.protocol_versions:
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protocol_version.write(tstream)
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self.length = tstream.length()
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super(DiscoverVersionsResponsePayload, self).write(ostream)
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ostream.write(tstream.buffer)
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def validate(self):
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self.__validate()
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def __validate(self):
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if isinstance(self.protocol_versions, list):
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for i in xrange(len(self.protocol_versions)):
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protocol_version = self.protocol_versions[i]
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if not isinstance(protocol_version, ProtocolVersion):
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msg = "invalid protocol version ({0} in list)".format(i)
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msg += "; expected {0}, received {1}".format(
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ProtocolVersion, protocol_version)
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raise TypeError(msg)
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else:
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msg = "invalid protocol versions list"
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msg += "; expected {0}, received {1}".format(
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list, self.protocol_versions)
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raise TypeError(msg)
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