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#!/usr/bin/env python
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
"""A benchmarking utility."""
import optparse
import sys
import time
import uuid
from proton import Message
import pyngus
class PerfConnection(pyngus.ConnectionEventHandler):
def __init__(self, name, container, properties):
self.name = name
self.connection = container.create_connection(name, self,
properties)
self.connection.context = self
def connection_failed(self, connection, error):
"""Connection's transport has failed in some way."""
assert False
class PerfSendConnection(PerfConnection):
def __init__(self, name, container, properties,
msg_count, batch_size, link_count):
super(PerfSendConnection, self).__init__(name, container,
properties)
self._msg_count = msg_count
self._batch_size = batch_size
self._link_count = link_count
self.connection.pn_sasl.mechanisms("ANONYMOUS")
self.connection.pn_sasl.client()
self.senders = set()
self.connection.open()
def connection_active(self, connection):
for i in range(self._link_count):
PerfSender("sender-%d" % i,
self,
self._msg_count,
self._batch_size)
class PerfReceiveConnection(PerfConnection):
def __init__(self, name, container, properties,
msg_count, credit_window):
super(PerfReceiveConnection, self).__init__(name, container,
properties)
self._msg_count = msg_count
self._credit_window = credit_window
self.connection.pn_sasl.mechanisms("ANONYMOUS")
self.connection.pn_sasl.server()
self.connection.open()
self.receivers = set()
def sasl_step(self, connection, pn_sasl):
# Unconditionally accept the client:
pn_sasl.done(pn_sasl.OK)
def connection_remote_closed(self, connection, pn_condition):
"""All senders have finished and closed, test over."""
assert len(self.receivers) == 0
self.connection.close()
def receiver_requested(self, connection, link_handle,
name, requested_target,
properties):
PerfReceiver("receiver-%d" % len(self.receivers),
link_handle, self,
self._msg_count, self._credit_window)
class PerfSender(pyngus.SenderEventHandler):
def __init__(self, address, perf_send_conn,
msg_count, batch_size):
self.msg = Message()
self.msg.body = "HELLO"
self.sent = 0
self.acked = 0
self.msg_count = msg_count
self.batch_size = batch_size
self.address = address
self.perf_conn = perf_send_conn
self.perf_conn.senders.add(self)
connection = perf_send_conn.connection
self.link = connection.create_sender(address,
event_handler=self)
self.link.context = self
self.link.open()
def _send_msgs(self):
"""Send up to a batch of messages."""
batch = min(self.msg_count - self.sent, self.batch_size)
target = self.sent + batch
while self.sent < target:
self.link.send(self.msg, self.send_complete)
self.sent += 1
def sender_active(self, sender_link):
self._send_msgs()
def send_complete(self, link, handle, result, info):
self.acked += 1
if self.acked == self.msg_count:
# test done, shutdown
self.link.close()
self.perf_conn.senders.discard(self)
if len(self.perf_conn.senders) == 0:
self.link.connection.close()
elif self.acked == self.sent:
# send next batch
self._send_msgs()
class PerfReceiver(pyngus.ReceiverEventHandler):
def __init__(self, address, handle, perf_receive_conn,
msg_count, credit_window):
self.msg_count = msg_count
self.received = 0
self.credit_window = credit_window if credit_window else msg_count
self.address = address
self.perf_conn = perf_receive_conn
self.perf_conn.receivers.add(self)
connection = perf_receive_conn.connection
self.link = connection.accept_receiver(handle,
target_override=address,
event_handler=self)
self.link.context = self
self.link.add_capacity(self.credit_window)
self.link.open()
def message_received(self, receiver_link, message, handle):
"""Acknowledge receipt, grant more credit if needed."""
self.link.message_accepted(handle)
self.received += 1
if self.received < self.msg_count:
if self.link.capacity == 0:
self.link.add_capacity(self.credit_window)
else:
# link done
self.link.close()
self.perf_conn.receivers.discard(self)
def process_connections(c1, c2):
"""Transfer I/O, then process each connection."""
def _do_io(src, dst):
count = min(src.has_output, dst.needs_input)
if count > 0:
count = dst.process_input(src.output_data())
if count > 0:
src.output_written(count)
_do_io(c1, c2)
_do_io(c2, c1)
c1.process(time.time())
c2.process(time.time())
def main(argv=None):
_usage = """Usage: %prog [options]"""
parser = optparse.OptionParser(usage=_usage)
parser.add_option("--count", dest="count", type="int",
default=10000,
help="# of messages to transfer.")
parser.add_option("--links", dest="link_count", type="int",
default=100,
help="# of link pairs.")
parser.add_option("--send-batch", dest="send_batch", type="int",
default=10,
help="# of msgs sender queues at once.")
parser.add_option("--credit-batch", dest="credit_batch", type="int",
default=5,
help="Credit window issued by receiver.")
parser.add_option("--ca",
help="Certificate Authority PEM file")
parser.add_option("--cert",
help="PEM File containing the server's certificate")
parser.add_option("--key",
help="PEM File containing the server's private key")
parser.add_option("--keypass",
help="Password used to decrypt key file")
opts, extra = parser.parse_args(args=argv)
container = pyngus.Container(uuid.uuid4().hex)
# sender acts like SSL client
conn_properties = {'hostname': "test.server.com",
'x-trace-protocol': False}
if opts.ca:
conn_properties["x-ssl-ca-file"] = opts.ca
sender_conn = PerfSendConnection("send-conn",
container,
conn_properties,
opts.count, opts.send_batch,
opts.link_count)
# receiver acts as SSL server
conn_properties = {'hostname': "my.client.com"}
if opts.cert:
conn_properties["x-ssl-server"] = True
identity = (opts.cert, opts.key, opts.keypass)
conn_properties["x-ssl-identity"] = identity
receiver_conn = PerfReceiveConnection("recv-conn",
container,
conn_properties,
opts.count,
opts.credit_batch)
# process connections until finished:
while ((not sender_conn.connection.closed) or
(not receiver_conn.connection.closed)):
process_connections(sender_conn.connection,
receiver_conn.connection)
sender_conn.connection.destroy()
receiver_conn.connection.destroy()
container.destroy()
return 0
if __name__ == "__main__":
sys.exit(main())
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