#! /usr/bin/env python """ tests/rfoo_runner.py Fast RPC server. Copyright (c) 2010 Nir Aides and individual contributors. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of Nir Aides nor the names of other 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 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. """ import threading import logging import getopt import time import rfoo import sys import os # # Python 2.5 logging module supports function name in format string. # if logging.__version__[:3] >= '0.5': LOGGING_FORMAT = '[%(process)d:%(thread).5s] %(asctime)s %(levelname)s %(module)s:%(lineno)d %(funcName)s() - %(message)s' else: LOGGING_FORMAT = '[%(process)d:%(thread).5s] %(asctime)s %(levelname)s %(module)s:%(lineno)d - %(message)s' ISPY3K = sys.version_info[0] >= 3 class DummySocket(object): def __init__(self, handler, conn): self._handler = handler self._conn = conn self._buffer = '' self._counter = 0 self._server = rfoo.Server(self._handler) def shutdown(self, x): pass def close(self): pass def sendall(self, data): self._buffer = data self._counter += 1 if self._counter % 2 == 1: self._server._dispatch(self._handler, self._conn) def recv(self, size): data = self._buffer[:size] self._buffer = self._buffer[size:] return data class DummyConnection(rfoo.Connection): """Dispatch without network, for debugging.""" def __init__(self, handler): rfoo.Connection.__init__(self, DummySocket(handler, self)) def print_usage(): scriptName = os.path.basename(sys.argv[0]) sys.stdout.write(""" Start server: %(name)s -s [-pPORT] Start client: %(name)s [-c] [-oHOST] [-pPORT] [-nN] [data] data, if present should be an integer value, which controls the length of a CPU intensive loop performed at the server. -h, --help Print this help. -v Debug output. -s Start server. -a Use async notifications instead of synchronous calls. -c Setup and tear down connection with each iteration. -oHOST Set HOST. -pPORT Set PORT. -nN Repeat client call N times. -tN Number of client threads to use. -iF Set thread switch interval in seconds (float). """ % {'name': scriptName}) def main(): """Parse options and run script.""" try: options, args = getopt.getopt( sys.argv[1:], 'hvsacuo:p:n:t:i:', ['help'] ) options = dict(options) except getopt.GetoptError: print_usage() return 2 if '-h' in options or '--help' in options: print_usage() return # # Prevent timing single connection async calls since # this combination will simply generate a SYN flood, # and is not a practical use case. # if '-a' in options and '-c' in options: print_usage() return if '-v' in options: level = logging.DEBUG verbose = True else: level = logging.WARNING verbose = False logging.basicConfig( level=level, format=LOGGING_FORMAT, stream=sys.stderr ) if '-i' in options: interval = float(options.get('-i')) sys.setswitchinterval(interval) host = options.get('-o', '127.0.0.1') port = int(options.get('-p', rfoo.DEFAULT_PORT)) t0 = time.time() try: if '-s' in options: logging.warning('Start as server.') rfoo.start_server(host=host, port=port, handler=rfoo.ExampleHandler) return logging.warning('Start as client.') if len(args) > 0: data = 'x' * int(args[0]) else: data = 'x' n = int(options.get('-n', 1)) t = int(options.get('-t', 1)) m = int(n / t) if '-a' in options: gate = rfoo.Notifier else: gate = rfoo.Proxy def client(): # # Time connection setup/teardown. # if '-c' in options: for i in range(m): connection = rfoo.connect(host=host, port=port) r = rfoo.Proxy(connection).echo(data) if level == logging.DEBUG: logging.debug('Received %r from proxy.', r) connection.close() # # Time with dummy connection (no network). # elif '-u' in options: handler = rfoo.ExampleHandler() dummy = DummyConnection(handler) echo = gate(dummy).echo for i in range(m): r = echo(data) if level == logging.DEBUG: logging.debug('Received %r from proxy.', r) # # Time calls synched / asynch (notifications). # else: connection = rfoo.connect(host=host, port=port) echo = gate(connection).echo for i in range(m): r = echo(data) #if level == logging.DEBUG: # logging.debug('Received %r from proxy.', r) logging.warning('Received %r from proxy.', r) if t == 1: client() return threads = [threading.Thread(target=client) for i in range(t)] t0 = time.time() for t in threads: t.start() for t in threads: t.join() finally: logging.warning('Running time, %f seconds.', time.time() - t0) if __name__ == '__main__': #import cProfile; #cProfile.run('main()', '/tmp/profiled'); main()