Class: GrpcKit::Session::Buffer

Inherits:
Object
  • Object
show all
Defined in:
lib/grpc_kit/session/buffer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(buffer: nil) ⇒ Buffer

Returns a new instance of Buffer.



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# File 'lib/grpc_kit/session/buffer.rb', line 8

def initialize(buffer: nil)
  @buffer = buffer
  @end_read = false
  @end_write = false
  @finish = false
end

Instance Attribute Details

#finish ⇒ Object

Returns the value of attribute finish.



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# File 'lib/grpc_kit/session/buffer.rb', line 6

def finish
  @finish
end

Instance Method Details

#end_read ⇒ Object 



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# File 'lib/grpc_kit/session/buffer.rb', line 52

def end_read
  @end_read = true
end

#end_read? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/grpc_kit/session/buffer.rb', line 44

def end_read?
  @end_read
end

#end_write ⇒ Object 



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# File 'lib/grpc_kit/session/buffer.rb', line 56

def end_write
  @end_write = true
end

#end_write? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/grpc_kit/session/buffer.rb', line 48

def end_write?
  @end_write
end

#read(len = nil, last: false) ⇒ Object 



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# File 'lib/grpc_kit/session/buffer.rb', line 29

def read(len = nil, last: false)
  if @buffer.nil? || @buffer.empty?
    return ''
  end

  end_read if last

  # TODO: more efficient code
  if len
    @buffer.slice!(0...len)
  else
    @buffer.slice!(0..-1)
  end
end

#write(data, last: false) ⇒ Object 



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# File 'lib/grpc_kit/session/buffer.rb', line 15

def write(data, last: false)
  return 0 if data.empty?

  end_write if last

  if @buffer
    @buffer << data
  else
    @buffer = data.dup
  end

  data.bytesize
end