mirror of
https://github.com/OpenKMIP/PyKMIP.git
synced 2025-06-27 17:24:24 +02:00
a04a014a8a
This change creates a new subpackage under services, server, which now holds all of the software server related code. References to different pieces of the server code base are updated accordingly.
66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
# 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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import binascii
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import logging
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from kmip.core.utils import BytearrayStream
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class KMIPProtocol(object):
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HEADER_SIZE = 8
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def __init__(self, socket, buffer_size=1024):
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self.socket = socket
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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('KMIPProtocol.write: {0}'.format(
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binascii.hexlify(sbuffer)))
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self.socket.sendall(sbuffer)
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def read(self):
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header = self._recv_all(self.HEADER_SIZE)
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msg_size = unpack('!I', header[4:])[0]
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payload = self._recv_all(msg_size)
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data = BytearrayStream(header + payload)
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self.logger.debug('KMIPProtocol.read: {0}'.format(
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binascii.hexlify(bytes(data.buffer))))
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return data
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def _recv_all(self, total_bytes_to_be_read):
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bytes_read = 0
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total_msg = b''
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while bytes_read < total_bytes_to_be_read:
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msg = self.socket.recv(total_bytes_to_be_read - bytes_read)
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if not msg:
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break
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bytes_read += len(msg)
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total_msg += msg
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if bytes_read != total_bytes_to_be_read:
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raise Exception("Expected {0} bytes, Received {1} bytes"
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.format(total_bytes_to_be_read, bytes_read))
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return total_msg
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class KMIPProtocolFactory(object):
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def getProtocol(self, socket):
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return KMIPProtocol(socket)
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