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| | # -*- encoding: binary -*-
# :enddoc:
require 'thread'
require 'rainbows/rev/master'
RUBY_VERSION =~ %r{\A1\.8} && Rev::VERSION < "0.3.2" and
warn "Rev (< 0.3.2) and Threads do not mix well under Ruby 1.8"
module Rainbows
module Rev
class ThreadClient < Client
def app_call
KATO.delete(self)
disable
@env[RACK_INPUT] = @input
app_dispatch # must be implemented by subclass
end
# this is only called in the master thread
def response_write(response)
enable
alive = @hp.keepalive? && G.alive
out = [ alive ? CONN_ALIVE : CONN_CLOSE ] if @hp.headers?
rev_write_response(response, out)
return quit unless alive && G.alive
@env.clear
@hp.reset
@state = :headers
# keepalive requests are always body-less, so @input is unchanged
if @hp.headers(@env, @buf)
@input = HttpRequest::NULL_IO
app_call
else
KATO[self] = Time.now
end
end
# fails-safe application dispatch, we absolutely cannot
# afford to fail or raise an exception (killing the thread)
# here because that could cause a deadlock and we'd leak FDs
def app_response
begin
@env[REMOTE_ADDR] = @remote_addr
APP.call(@env.update(RACK_DEFAULTS))
rescue => e
Error.app(e) # we guarantee this does not raise
[ 500, {}, [] ]
end
end
end
end
end
|