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# encoding: ascii-8bit
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
module Thrift
class BufferedTransport < BaseTransport
DEFAULT_BUFFER = 4096
def initialize(transport)
@transport = transport
@wbuf = ''
@rbuf = ''
@index = 0
end
def open?
return @transport.open?
end
def open
@transport.open
end
def close
flush
@transport.close
end
def read(sz)
@index += sz
ret = @rbuf.slice(@index - sz, sz) || ''
if ret.length == 0
@rbuf = @transport.read([sz, DEFAULT_BUFFER].max)
@index = sz
ret = @rbuf.slice(0, sz) || ''
end
ret
end
def write(buf)
@wbuf << buf
end
def flush
if @wbuf != ''
@transport.write(@wbuf)
@wbuf = ''
end
@transport.flush
end
end
class BufferedTransportFactory < BaseTransportFactory
def get_transport(transport)
return BufferedTransport.new(transport)
end
end
end
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