Parent

Thrift::FramedTransport

Public Class Methods

new(transport, read=true, write=true) click to toggle source
# File lib/thrift/transport/framed_transport.rb, line 22
def initialize(transport, read=true, write=true)
  @transport = transport
  @rbuf      = Bytes.empty_byte_buffer
  @wbuf      = Bytes.empty_byte_buffer
  @read      = read
  @write     = write
  @index      = 0
end

Public Instance Methods

close() click to toggle source
# File lib/thrift/transport/framed_transport.rb, line 39
def close
  @transport.close
end
flush() click to toggle source

Writes the output buffer to the stream in the format of a 4-byte length followed by the actual data.

# File lib/thrift/transport/framed_transport.rb, line 90
def flush
  return @transport.flush unless @write

  out = [@wbuf.length].pack('N')
  # Array#pack should return a BINARY encoded String, so it shouldn't be necessary to force encoding
  out << @wbuf
  @transport.write(out)
  @transport.flush
  @wbuf = Bytes.empty_byte_buffer
end
open() click to toggle source
# File lib/thrift/transport/framed_transport.rb, line 35
def open
  @transport.open
end
open?() click to toggle source
# File lib/thrift/transport/framed_transport.rb, line 31
def open?
  @transport.open?
end
read(sz) click to toggle source
# File lib/thrift/transport/framed_transport.rb, line 43
def read(sz)
  return @transport.read(sz) unless @read

  return Bytes.empty_byte_buffer if sz <= 0

  read_frame if @index >= @rbuf.length

  @index += sz
  @rbuf.slice(@index - sz, sz) || Bytes.empty_byte_buffer
end
read_byte() click to toggle source
# File lib/thrift/transport/framed_transport.rb, line 54
def read_byte
  return @transport.read_byte() unless @read

  read_frame if @index >= @rbuf.length

  # The read buffer has some data now, read a single byte. Using get_string_byte() avoids
  # allocating a temp string of size 1 unnecessarily.
  @index += 1
  return Bytes.get_string_byte(@rbuf, @index - 1)
end
read_into_buffer(buffer, size) click to toggle source
# File lib/thrift/transport/framed_transport.rb, line 65
def read_into_buffer(buffer, size)
  i = 0
  while i < size
    read_frame if @index >= @rbuf.length

    # The read buffer has some data now, so copy bytes over to the output buffer.
    byte = Bytes.get_string_byte(@rbuf, @index)
    Bytes.set_string_byte(buffer, i, byte)
    @index += 1
    i += 1
  end
  i
end
write(buf, sz=nil) click to toggle source
# File lib/thrift/transport/framed_transport.rb, line 79
def write(buf, sz=nil)
  return @transport.write(buf) unless @write

  buf = Bytes.force_binary_encoding(buf)
  @wbuf << (sz ? buf[0...sz] : buf)
end

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