mirror of https://github.com/OpenKMIP/PyKMIP.git
51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
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# Copyright (c) 2014 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 struct import unpack
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from thrift.protocol.TProtocol import TProtocolBase
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import binascii
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import logging
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from kmip.core.utils import BytearrayStream
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class KMIPProtocol(TProtocolBase):
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HEADER_SIZE = 8
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def __init__(self, trans, buffer_size=1024):
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TProtocolBase.__init__(self, trans)
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self.logger = logging.getLogger(__name__)
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def write(self, data):
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if len(data) > 0:
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sbuffer = bytes(data)
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self.logger.debug('buffer: {0}'.format(binascii.hexlify(sbuffer)))
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self.trans.write(sbuffer)
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self.trans.flush()
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def read(self):
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header = self.trans.readAll(self.HEADER_SIZE)
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msg_size = unpack('!I', header[4:])[0]
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payload = self.trans.readAll(msg_size)
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return BytearrayStream(header + payload)
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class KMIPProtocolFactory(object):
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def getProtocol(self, trans):
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return KMIPProtocol(trans)
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