Class: Roda::RodaPlugins::Chunked::Body

Inherits:
Object
  • Object
show all
Defined in:
lib/roda/plugins/chunked.rb

Overview

Rack response body instance for chunked responses

Constant Summary collapse

CHUNK_SIZE = 
"%x\r\n".freeze
CRLF = 
"\r\n".freeze
FINISH = 
"0\r\n\r\n".freeze

Instance Method Summary collapse

Constructor Details

#initialize(scope) ⇒ Body

Save the scope of the current request handling.



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# File 'lib/roda/plugins/chunked.rb', line 157

def initialize(scope)
  @scope = scope
end

Instance Method Details

#each ⇒ Object

For each response chunk yielded by the scope, yield it it to the caller in chunked format, starting with the size of the request in ASCII hex format, then the chunk. After all chunks have been yielded, yield a 0 sized chunk to finish the response.



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# File 'lib/roda/plugins/chunked.rb', line 166

def each
  @scope.each_chunk do |chunk|
    next if !chunk || chunk.empty?
    yield(CHUNK_SIZE % chunk.bytesize)
    yield(chunk)
    yield(CRLF)
  end
ensure
  yield(FINISH)
end