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Versions: 20
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Contents
# -*- encoding: binary -*-
# :enddoc:
# Generic IO wrapper for proxying pipe and socket objects
# this behaves more like Rainbows::Fiber::IO than anything,
# making it highly suitable for proxying data from pipes/sockets
class Rainbows::Revactor::Proxy < Rev::IO
def initialize(io)
@receiver = Actor.current
super(io)
attach(Rev::Loop.default)
end
def close
if @_io
super
@_io = nil
end
end
def each
# when yield-ing, Revactor::TCP#write may raise EOFError
# (instead of Errno::EPIPE), so we need to limit the rescue
# to just readpartial and let EOFErrors during yield bubble up
begin
buf = readpartial(INPUT_SIZE)
rescue EOFError
break
end while yield(buf) || true
end
# this may return more than the specified length, Rainbows! won't care...
def readpartial(length)
@receiver = Actor.current
enable if attached? && ! enabled?
Actor.receive do |filter|
filter.when(T[:rainbows_io_input, self]) do |_, _, data|
return data
end
filter.when(T[:rainbows_io_closed, self]) do
raise EOFError, "connection closed"
end
end
end
def on_close
@receiver << T[:rainbows_io_closed, self]
end
def on_read(data)
@receiver << T[:rainbows_io_input, self, data ]
disable
end
end
Version data entries
20 entries across 20 versions & 1 rubygems