51 lines
1.3 KiB
Ruby
51 lines
1.3 KiB
Ruby
# --
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# Copyright (C) 2008-2009 10gen Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ++
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require 'mongo/util/byte_buffer'
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module XGen
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module Mongo
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module Driver
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class MessageHeader
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HEADER_SIZE = 16
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def initialize()
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@buf = ByteBuffer.new
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end
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def read_header(socket)
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@buf.rewind
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@buf.put_array(socket.recv(HEADER_SIZE).unpack("C*"))
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raise "Short read for DB response header: expected #{HEADER_SIZE} bytes, saw #{@buf.size}" unless @buf.size == HEADER_SIZE
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@buf.rewind
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@size = @buf.get_int
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@request_id = @buf.get_int
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@response_to = @buf.get_int
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@op = @buf.get_int
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self
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end
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def dump
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@buf.dump
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end
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end
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end
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end
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end
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