modify setuptools files

setup.cfg

@@ -2,4 +2,4 @@
 # This flag says that the code is written to work on both Python 2 and Python
 # 3. If at all possible, it is good practice to do this. If you cannot, you
 # will need to generate wheels for each Python version that you support.
-# universal=1
+universal=1

setup.py

@@ -3,7 +3,7 @@
 
 pyver = '%s.%s' % (version_info[0], version_info[1])
 
-if pyver < '3':
+if pyver < '3.2':
     INSTALL_REQUIRES = ['enum34', 'futures']
 if pyver < '3.4':
     INSTALL_REQUIRES = ['enum34']

src/examples/simple_register.py

@@ -0,0 +1,51 @@
+import sys
+import logging
+import logging.config
+
+from exosip2ctypes import initialize, Context, register, EventType
+
+logging.basicConfig(
+    level=logging.DEBUG, stream=sys.stdout,
+    format='%(asctime)-15s [%(threadName)-10s] [%(levelname)-7s] %(name)s - %(message)s'
+)
+
+
+def on_sip_event(context, evt):
+    if evt.type == EventType.registration_success:
+        logging.info('registration success: %s', evt)
+
+    elif evt.type == EventType.registration_failure:
+        logging.error('registration failure: %s', evt)
+
+    elif evt.type == EventType.message_new:
+        logging.debug('%s', evt.request)
+
+
+initialize()
+ctx = Context(event_callback=on_sip_event, contact_address=('192.168.56.101', 5060))
+
+logging.debug('listening...')
+ctx.listen_on_address(port=55160)
+logging.debug('starting...')
+
+ctx.start()
+logging.debug('started!')
+
+with ctx.lock:
+    ctx.add_authentication_info('user2', 'user2', '123', 'sip.linkrtc.com')
+
+while True:
+    s = sys.stdin.readline().strip().lower()
+    if s in ('q', 'quit'):
+        ctx.stop()
+        break
+    elif s == 'r':
+        with ctx.lock:
+            register_req = register.InitialRegister(
+                ctx,
+                'sip:user2@sip.linkrtc.com',
+                'sip:sip.linkrtc.com'
+            )
+            logging.debug('rid=%s', register_req.rid)
+            logging.debug('InitialRegister=%s', register_req)
+            register_req.send()