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

Inherits:
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

Attributes inherited from Request

#connection

Instance Method Summary collapse

Methods inherited from Request

#peer, #remote_address, #remote_address=

Constructor Details

#initialize(stream) ⇒ Request

Returns a new instance of Request.



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# File 'lib/async/http/protocol/http2/request.rb', line 109

def initialize(stream)
  super(nil, nil, nil, nil, VERSION, nil)
  
  @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 115

def stream
  @stream
end

Instance Method Details

#hijack? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/async/http/protocol/http2/request.rb', line 121

def hijack?
  false
end

#push(path, headers = nil, scheme = @scheme, authority = @authority) ⇒ Stream

Returns the promised stream, on which to send data.

Returns:

  • (Stream) —

    the promised stream, on which to send data.

Raises:

  • (ArgumentError) 


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# File 'lib/async/http/protocol/http2/request.rb', line 130

def push(path, headers = nil, scheme = @scheme, authority = @authority)
  raise ArgumentError, "Missing scheme!" unless scheme
  raise ArgumentError, "Missing authority!" unless authority
  
  push_headers = [
    [SCHEME, scheme],
    [METHOD, ::Protocol::HTTP::Methods::GET],
    [PATH, path],
    [AUTHORITY, authority]
  ]
  
  if headers
    push_headers = Headers::Merged.new(
      push_headers,
      headers
    )
  end
  
  @stream.send_push_promise(push_headers)
end

#push? ⇒ Boolean

Returns:

  • (Boolean) 


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

def push?
  @stream.connection.enable_push?
end

#send_response(response) ⇒ Object 



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# File 'lib/async/http/protocol/http2/request.rb', line 155

def send_response(response)
  if response.nil?
    @stream.send_headers(nil, NO_RESPONSE, ::Protocol::HTTP2::END_STREAM)
  elsif response.body?
    pseudo_headers = [
      [STATUS, response.status],
    ]
    
    if protocol = response.protocol
      pseudo_headers << [PROTOCOL, protocol]
    end
    
    if length = response.body.length
      pseudo_headers << [CONTENT_LENGTH, length]
    end
    
    headers = ::Protocol::HTTP::Headers::Merged.new(
      pseudo_headers,
      response.headers
    )
    
    @stream.send_headers(nil, headers)
    @stream.send_body(response.body)
  else
    headers = ::Protocol::HTTP::Headers::Merged.new([
      [STATUS, response.status],
    ], response.headers)
    
    @stream.send_headers(nil, headers, ::Protocol::HTTP2::END_STREAM)
  end
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/async/http/protocol/http2/request.rb', line 117

def valid?
  @scheme and @method and @path
end