python: add ping-pong simple test

python/tools/pingpong.py

+#!/usr/bin/env python3
+# Copyright (c) 2015-2016 Savoir-faire Linux Inc.
+# Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; If not, see <http://www.gnu.org/licenses/>.
+
+import opendht as dht
+import time
+
+ping_node = dht.DhtRunner()
+ping_node.run(port = 5632)
+#ping_node.enableLogging()
+#ping_node.bootstrap("bootstrap.ring.cx", "4222")
+
+pong_node = dht.DhtRunner()
+pong_node.run(port = 5633)
+#pong_node.enableLogging()
+pong_node.bootstrap("192.168.49.55", "5632");
+#pong_node.bootstrap("192.168.49.55", "5632");
+
+loc_ping = dht.InfoHash.get("toto99")
+loc_pong = dht.InfoHash.get(str(loc_ping))
+
+i = 0
+MAX = 8192
+
+def pong(node, h):
+	global i
+	print("got ping", h, i)
+	time.sleep(0.0075)
+	i += 1
+	if i < MAX:
+		node.put(h, dht.Value(b"hey"), lambda ok, nodes: print("over", ok))
+	return True
+
+ping_node.listen(loc_ping, lambda v: pong(pong_node, loc_pong))
+pong_node.listen(loc_pong, lambda v: pong(ping_node, loc_ping))
+
+pong_node.put(loc_pong, dht.Value(b"hey"), lambda ok, nodes: print("i over", ok))
+
+while (i < MAX):
+	time.sleep(1)