Class: Async::HTTP::Protocol::HTTP2::Request

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

Overview

Typically used on the server side to represent an incoming request, and write the response.

Defined Under Namespace

Classes: Stream

Constant Summary collapse

NO_RESPONSE = 
[
	[STATUS, "500"],
]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stream) ⇒ Request

Initialize the request from an HTTP/2 stream.



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# File 'lib/async/http/protocol/http2/request.rb', line 125

def initialize(stream)
	super(nil, nil, nil, nil, VERSION, nil, nil, nil, self.public_method(:write_interim_response))
	
	@stream = stream
end

Instance Attribute Details

#stream ⇒ Object (readonly)

Returns the value of attribute stream.



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# File 'lib/async/http/protocol/http2/request.rb', line 131

def stream
  @stream
end

Instance Method Details

#connection ⇒ Object 



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# File 'lib/async/http/protocol/http2/request.rb', line 134

def connection
	@stream.connection
end

#hijack? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/async/http/protocol/http2/request.rb', line 144

def hijack?
	false
end

#send_response(response) ⇒ Object

Send a response back to the client via the HTTP/2 stream.



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# File 'lib/async/http/protocol/http2/request.rb', line 154

def send_response(response)
	if response.nil?
		return @stream.send_headers(NO_RESPONSE, ::Protocol::HTTP2::END_STREAM)
	end
	
	protocol_headers = [
		[STATUS, response.status],
	]
	
	if length = response.body&.length
		protocol_headers << [CONTENT_LENGTH, length]
	end
	
	headers = ::Protocol::HTTP::Headers::Merged.new(
		protocol_headers,
		response.headers.header
	)
	
	if body = response.body and !self.head?
		# This function informs the headers object that any subsequent headers are going to be trailer. Therefore, it must be called *before* sending the headers, to avoid any race conditions.
		trailer = response.headers.trailer!
		
		@stream.send_headers(headers)
		
		@stream.send_body(body, trailer)
	else
		# Ensure the response body is closed if we are ending the stream:
		response.close
		
		@stream.send_headers(headers, ::Protocol::HTTP2::END_STREAM)
	end
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/async/http/protocol/http2/request.rb', line 139

def valid?
	@scheme and @method and (@path or @method == ::Protocol::HTTP::Methods::CONNECT)
end

#write_interim_response(status, headers = nil) ⇒ Object

Write an interim (1xx) response to the client.



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# File 'lib/async/http/protocol/http2/request.rb', line 190

def write_interim_response(status, headers = nil)
	interim_response_headers = [
		[STATUS, status]
	]
	
	if headers
		interim_response_headers = ::Protocol::HTTP::Headers::Merged.new(interim_response_headers, headers)
	end
	
	@stream.send_headers(interim_response_headers)
end