brimcfadden/tornadoweb_stormed.py

## tornadoweb_stormed.py
#!/usr/bin/env python
# tornadoweb_stormed.py

import logging
import sys

import stormed
import tornado.ioloop
import tornado.web

__author__ = 'Brian McFadden'
__email__ = 'brimcfadden@gmail.com'

HTML_HEADER = '<html><head><title>Tornado/Stormed RPC</title></head><body>'
HTML_FOOTER = '</body></html>'

class Fib(tornado.web.RequestHandler):
    """This is a different version of the file implementing tutorial #6.
    The original version is located at https://gist.github.com/1150229/
    This version always raises an HTTP 500 error which causes some unexplained
    behavior.
    """

    @tornado.web.asynchronous
    def get(self, number=''):
        if not number:
            self.redirect('/30') # GET / --> GET /30
        self.number = number
        mq_conn = self.application.settings.get('mq_conn')
        self.mq_ch = mq_conn.channel()
        self.mq_ch.queue_declare(exclusive=True,
                                 callback=self._on_q_declare)

    def _on_q_declare(self, qinfo):
        self.mq_ch.consume(qinfo.queue, self._on_mq_response)
        self.corr_id = corr_id = str(id(self))
        msg = stormed.Message(str(self.number), delivery_mode=2,
                              reply_to=qinfo.queue, correlation_id=corr_id)
        self.mq_ch.publish(msg, exchange='', routing_key='rpc_queue')

    def _on_mq_response(self, response_msg):
        self.send_error(500)

def main():
    logging.basicConfig(level=logging.DEBUG)
    mq_conn = stormed.Connection(host='localhost')
    def on_connect():
        print 'Connected to AMQP broker.'
    mq_conn.connect(on_connect)
    application = tornado.web.Application(
        [(r'/([0-9]*)', Fib)],
        **{'mq_conn': mq_conn}
    )
    try:
        port = int(sys.argv[1]) # $ python tornadoweb_stormed.py 80
    except:
        port = 8080
    application.listen(port)
    print "Tornado is serving on port {0}.".format(port)
    tornado.ioloop.IOLoop.instance().start()

if __name__ == '__main__':
    main()
	#!/usr/bin/env python
	# tornadoweb_stormed.py

	import logging
	import sys

	import stormed
	import tornado.ioloop
	import tornado.web

	__author__ = 'Brian McFadden'
	__email__ = 'brimcfadden@gmail.com'

	HTML_HEADER = '<html><head><title>Tornado/Stormed RPC</title></head><body>'
	HTML_FOOTER = '</body></html>'

	class Fib(tornado.web.RequestHandler):
	"""This is a different version of the file implementing tutorial #6.
	The original version is located at https://gist.github.com/1150229/
	This version always raises an HTTP 500 error which causes some unexplained
	behavior.
	"""

	@tornado.web.asynchronous
	def get(self, number=''):
	if not number:
	self.redirect('/30') # GET / --> GET /30
	self.number = number
	mq_conn = self.application.settings.get('mq_conn')
	self.mq_ch = mq_conn.channel()
	self.mq_ch.queue_declare(exclusive=True,
	callback=self._on_q_declare)

	def _on_q_declare(self, qinfo):
	self.mq_ch.consume(qinfo.queue, self._on_mq_response)
	self.corr_id = corr_id = str(id(self))
	msg = stormed.Message(str(self.number), delivery_mode=2,
	reply_to=qinfo.queue, correlation_id=corr_id)
	self.mq_ch.publish(msg, exchange='', routing_key='rpc_queue')

	def _on_mq_response(self, response_msg):
	self.send_error(500)

	def main():
	logging.basicConfig(level=logging.DEBUG)
	mq_conn = stormed.Connection(host='localhost')
	def on_connect():
	print 'Connected to AMQP broker.'
	mq_conn.connect(on_connect)
	application = tornado.web.Application(
	[(r'/([0-9]*)', Fib)],
	**{'mq_conn': mq_conn}
	)
	try:
	port = int(sys.argv[1]) # $ python tornadoweb_stormed.py 80
	except:
	port = 8080
	application.listen(port)
	print "Tornado is serving on port {0}.".format(port)
	tornado.ioloop.IOLoop.instance().start()

	if __name__ == '__main__':
	main()