Class: Async::HTTP::Protocol::HTTP2::Output

Inherits:
Object
  • Object
show all
Defined in:
lib/async/http/protocol/http2/output.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stream, body, trailers = nil) ⇒ Output

Returns a new instance of Output.



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# File 'lib/async/http/protocol/http2/output.rb', line 30

def initialize(stream, body, trailers = nil)
	@stream = stream
	@body = body
	@trailers = trailers
	
	@task = nil
	
	@window_updated = Async::Condition.new
end

Instance Attribute Details

#trailers ⇒ Object (readonly)

Returns the value of attribute trailers.



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# File 'lib/async/http/protocol/http2/output.rb', line 40

def trailers
  @trailers
end

Instance Method Details

#close(error = nil) ⇒ Object

This method should only be called from within the context of the output task.



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# File 'lib/async/http/protocol/http2/output.rb', line 71

def close(error = nil)
	if @stream
		@stream.finish_output(error)
		@stream = nil
	end
end

#start(parent: Task.current) ⇒ Object 



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# File 'lib/async/http/protocol/http2/output.rb', line 42

def start(parent: Task.current)
	raise "Task already started!" if @task
	
	if @body.respond_to?(:call)
		@task = parent.async(&self.method(:stream))
	else
		@task = parent.async(&self.method(:passthrough))
	end
end

#stop(error) ⇒ Object

This method should only be called from within the context of the HTTP/2 stream.



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# File 'lib/async/http/protocol/http2/output.rb', line 79

def stop(error)
	@task&.stop
	@task = nil
end

#window_updated(size) ⇒ Object 



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# File 'lib/async/http/protocol/http2/output.rb', line 52

def window_updated(size)
	@window_updated.signal
end

#write(chunk) ⇒ Object 



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# File 'lib/async/http/protocol/http2/output.rb', line 56

def write(chunk)
	until chunk.empty?
		maximum_size = @stream.available_frame_size
		
		while maximum_size <= 0
			@window_updated.wait
			
			maximum_size = @stream.available_frame_size
		end
		
		break unless chunk = send_data(chunk, maximum_size)
	end
end