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| | # -*- encoding: binary -*-
# :stopdoc:
# This class is by Raindrops::Middleware to proxy application response
# bodies. There should be no need to use it directly.
class Raindrops::Middleware::Proxy
def initialize(body, stats)
@body, @stats = body, stats
end
# yield to the Rack server here for writing
def each
@body.each { |x| yield x }
end
# the Rack server should call this after #each (usually ensure-d)
def close
@stats.decr_writing
@body.close if @body.respond_to?(:close)
end
# Some Rack servers can optimize response processing if it responds
# to +to_path+ via the sendfile(2) system call, we proxy +to_path+
# to the underlying body if possible.
def to_path
@body.to_path
end
# Rack servers use +respond_to?+ to check for the presence of +close+
# and +to_path+ methods.
def respond_to?(m)
m = m.to_sym
:close == m || @body.respond_to?(m)
end
end
|