demo: generate certs that expire quickly to check renewal

demo/py

@@ -7,6 +7,26 @@ def __file__():
     _parse_args = ArgumentParser.parse_args
     ArgumentParser.parse_args = lambda self: _parse_args(self, sys.argv[2:])
 
+    if 1:
+        # Check renewal of certificate.
+        from random import randrange
+        from re6st import registry
+        registry.RENEW_PERIOD = 60
+        _createCertificate = registry.RegistryServer.createCertificate
+        def createCertificate(self, client_prefix, *args):
+            self.cert_duration = 200 if int(client_prefix, 2) == 7 else \
+                randrange(10, 60) ** 2
+            try:
+                return _createCertificate(self, client_prefix, *args)
+            finally:
+                del self.cert_duration
+        registry.RegistryServer.createCertificate = createCertificate
+
+        # Simulate the case of a node that does
+        # not renew its certificate in time.
+        if sys.argv[2] == "@m7/re6stnet.conf":
+            registry.RENEW_PERIOD = -30
+
     return os.path.join(sys.path[0], sys.argv[1])
 __file__ = __file__()
 execfile(__file__)

re6st/registry.py

@@ -43,10 +43,10 @@ def rpc(f):
 class RegistryServer(object):
 
     peers = 0, ()
+    cert_duration = 365 * 86400
 
     def __init__(self, config):
         self.config = config
-        self.cert_duration = 365 * 86400
         self.lock = threading.Lock()
         self.sessions = {}
         self.sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)