Module: Hydra::MessagingIO
Overview
Module that implemets methods that auto-serialize and deserialize messaging objects.
Defined Under Namespace
Classes: UnprocessableMessage
Instance Method Summary collapse
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#close ⇒ Object
Closes the IO object.
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#gets ⇒ Object
Read a Message from the input IO object.
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#write(message) ⇒ Object
Write a Message to the output IO object.
Instance Method Details
#close ⇒ Object
Closes the IO object.
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# File 'lib/hydra/messaging_io.rb', line 33 def close @reader.close if @reader @writer.close if @writer end |
#gets ⇒ Object
Read a Message from the input IO object. Automatically build a message from the response and return it.
IO.gets
=> Hydra::Message # or subclass
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# File 'lib/hydra/messaging_io.rb', line 10 def gets raise IOError unless @reader = @reader.gets return nil unless return Message.build(eval(.chomp)) rescue SyntaxError, NameError # uncomment to help catch remote errors by seeing all traffic #$stderr.write "Not a message: [#{message.inspect}]\n" return gets end |
#write(message) ⇒ Object
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# File 'lib/hydra/messaging_io.rb', line 24 def write() raise IOError unless @writer raise UnprocessableMessage unless .is_a?(Hydra::Message) @writer.write(.serialize+"\n") rescue Errno::EPIPE raise IOError end |