#!/usr/bin/env python
# encoding: utf8
#
# Copyright © Burak Arslan <burak at arskom dot com dot tr>,
#             Arskom Ltd. http://www.arskom.com.tr
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"""
This is a simple HelloWorld example to show the basics of writing a
MessagePack-via-vanilla-TCP-sockets server.
"""


import logging

from spyne import Application, rpc, Service, Iterable, UnsignedInteger, \
    Unicode

from spyne.protocol.msgpack import MessagePackDocument
from spyne.server.twisted.msgpack import TwistedMessagePackProtocolFactory
from spyne.server.wsgi import WsgiApplication


HOST = '127.0.0.1'
PORT = 5550


class HelloWorldService(Service):
    @rpc(Unicode, UnsignedInteger, _returns=Iterable(Unicode))
    def say_hello(ctx, name, times):
        for i in range(times):
            yield u'Hello, %s' % name


if __name__=='__main__':
    from twisted.internet import reactor
    from twisted.python import log

    # logging boilerplate
    logging.basicConfig(level=logging.DEBUG)
    logging.getLogger('spyne.protocol.xml').setLevel(logging.DEBUG)

    observer = log.PythonLoggingObserver('twisted')
    log.startLoggingWithObserver(observer.emit, setStdout=False)

    # set up application
    application = Application([HelloWorldService],
        'spyne.examples.hello.msgpack', in_protocol=MessagePackDocument(),
                                            out_protocol=MessagePackDocument())

    # set up transport
    factory = TwistedMessagePackProtocolFactory(application)

    # set up listening endpoint
    reactor.listenTCP(PORT, factory, interface=HOST)

    # run the reactor
    reactor.run()
