Class: Protocol::HTTP1::Body::Fixed

Inherits:
HTTP::Body::Readable
  • Object
show all
Defined in:
lib/protocol/http1/body/fixed.rb

Overview

Represents a fixed length body.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(connection, length) ⇒ Fixed

Initialize the body with the given connection and length.



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# File 'lib/protocol/http1/body/fixed.rb', line 17

def initialize(connection, length)
	@connection = connection
	
	@length = length
	@remaining = length
end

Instance Attribute Details

#length ⇒ Object (readonly)

Returns the value of attribute length.



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# File 'lib/protocol/http1/body/fixed.rb', line 25

def length
  @length
end

#remaining ⇒ Object (readonly)

Returns the value of attribute remaining.



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# File 'lib/protocol/http1/body/fixed.rb', line 28

def remaining
  @remaining
end

#the length of the body.(lengthofthebody.) ⇒ Object (readonly) 



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# File 'lib/protocol/http1/body/fixed.rb', line 25

attr :length

#the remaining bytes to read.(remainingbytestoread.) ⇒ Object (readonly) 



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# File 'lib/protocol/http1/body/fixed.rb', line 28

attr :remaining

Instance Method Details

#as_json ⇒ Object 



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# File 'lib/protocol/http1/body/fixed.rb', line 81

def as_json(...)
	super.merge(
		remaining: @remaining,
		state: @connection ? "open" : "closed"
	)
end

#close(error = nil) ⇒ Object

Close the connection.



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# File 'lib/protocol/http1/body/fixed.rb', line 38

def close(error = nil)
	if connection = @connection
		@connection = nil
		
		unless @remaining == 0
			connection.close_read
		end
	end
	
	super
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protocol/http1/body/fixed.rb', line 31

def empty?
	@connection.nil? or @remaining == 0
end

#inspect ⇒ Object 



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# File 'lib/protocol/http1/body/fixed.rb', line 76

def inspect
	"#<#{self.class} #{@length} bytes, #{@remaining} remaining, #{empty? ? 'finished' : 'reading'}>"
end

#read ⇒ Object

Read a chunk of data.



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# File 'lib/protocol/http1/body/fixed.rb', line 54

def read
	if @remaining > 0
		if @connection
			# `readpartial` will raise `EOFError` if the connection is finished, or `IOError` if the connection is closed.
			chunk = @connection.readpartial(@remaining)
			
			@remaining -= chunk.bytesize
			
			if @remaining == 0
				@connection.receive_end_stream!
				@connection = nil
			end
			
			return chunk
		end
		
		# If the connection has been closed before we have read the expected length, raise an error:
		raise EOFError, "connection closed before expected length was read!"
	end
end