Class: Pwrake::Channel

Inherits:
Object
  • Object
show all
Defined in:
lib/pwrake/iomux/channel.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(handler, id = nil) ⇒ Channel

Returns a new instance of Channel.



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# File 'lib/pwrake/iomux/channel.rb', line 5

def initialize(handler,id=nil)
  if @id = id
    @pre = "#{@id}:"
  else
    @pre = ""
  end
  if !handler.kind_of?(Handler)
    raise TypeError, "Argument must be Handler but #{handler.class}"
  end
  @handler = handler
end

Instance Attribute Details

#fiber ⇒ Object (readonly)

Returns the value of attribute fiber.



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# File 'lib/pwrake/iomux/channel.rb', line 17

def fiber
  @fiber
end

#handler ⇒ Object (readonly)

Returns the value of attribute handler.



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# File 'lib/pwrake/iomux/channel.rb', line 17

def handler
  @handler
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/pwrake/iomux/channel.rb', line 17

def id
  @id
end

Instance Method Details

#finish ⇒ Object 



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# File 'lib/pwrake/iomux/channel.rb', line 34

def finish
  if !@fiber.nil?
    @fiber.resume(nil)
  end
end

#get_line ⇒ Object 



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# File 'lib/pwrake/iomux/channel.rb', line 40

def get_line
  @handler.add_channel(self)
  @fiber = Fiber.current
  line = Fiber.yield
  @fiber = nil
  @handler.delete_channel(self)
  return line
end

#gets ⇒ Object 



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# File 'lib/pwrake/iomux/channel.rb', line 57

def gets
  if @id
    raise RuntimeError,"gets is invalid when @id is non-nil"
  else
    @handler.gets
  end
end

#inspect ⇒ Object 



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# File 'lib/pwrake/iomux/channel.rb', line 65

def inspect
  "#<#{self.class} io=#{ior.inspect} id=#{id.inspect}>"
end

#ior ⇒ Object 



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# File 'lib/pwrake/iomux/channel.rb', line 19

def ior
  @handler.ior
end

#put_line(line) ⇒ Object 



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# File 'lib/pwrake/iomux/channel.rb', line 49

def put_line(line)
  @handler.put_line "#{@pre}#{line}"
end

#puts(line) ⇒ Object 



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# File 'lib/pwrake/iomux/channel.rb', line 53

def puts(line)
  @handler.puts "#{@pre}#{line}"
end

#run_fiber(*args) ⇒ Object 



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# File 'lib/pwrake/iomux/channel.rb', line 23

def run_fiber(*args)
  if @fiber.nil?
    m = "Channel#run_fiber: @fiber is nil,"+
      " args=#{args.inspect} @id=#{@id}"
    $stderr.puts m
    Log.debug m
  else
    @fiber.resume(*args)
  end
end