from __future__ import print_function
#
#  Copyright (c) 2011 Edward Langley
#  All rights reserved.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
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#  this list of conditions and the following disclaimer.
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#  Redistributions in binary form must reproduce the above copyright
#  notice, this list of conditions and the following disclaimer in the
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#  contributors may be used to endorse or promote products derived from
#  this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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#  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
#  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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#  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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#

from twisted.internet import reactor, ssl
from twisted.web import server
import traceback

from jsonrpc.server import ServerEvents, JSON_RPC

class ExampleServer(ServerEvents):
	# inherited hooks
	def log(self, responses, txrequest, error):
		print(txrequest.code, end=' ')
		if isinstance(responses, list):
			for response in responses:
				msg = self._get_msg(response)
				print(txrequest, msg)
		else:
			msg = self._get_msg(responses)
			print(txrequest, msg)

	def findmethod(self, method, args=None, kwargs=None):
		if method in self.methods:
			return getattr(self, method)
		else:
			return None

	# helper methods
	methods = set(['add', 'subtract'])
	def _get_msg(self, response):
		print('response', repr(response))
		return ' '.join(str(x) for x in [response.id, response.result or response.error])

	def subtract(self, a, b):
		return a-b

	def add(self, a, b):
		return a+b

root = JSON_RPC().customize(ExampleServer)
site = server.Site(root)


# 8007 is the port you want to run under. Choose something >1024
PORT = 8007
print('Listening on port %d...' % PORT)
reactor.listenTCP(PORT, site)
reactor.run()