1#!/usr/bin/env python2.7 2# Copyright 2015 gRPC authors. 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15"""Opens a TCP connection to a specified server and then exits.""" 16 17import argparse 18import socket 19import threading 20import time 21import sys 22 23 24def main(): 25 argp = argparse.ArgumentParser( 26 description='Open a TCP handshake to a server') 27 argp.add_argument('-s', 28 '--server_host', 29 default=None, 30 type=str, 31 help='Server host name or IP.') 32 argp.add_argument('-p', 33 '--server_port', 34 default=0, 35 type=int, 36 help='Port that the server is listening on.') 37 argp.add_argument('-t', 38 '--timeout', 39 default=1, 40 type=int, 41 help='Force process exit after this number of seconds.') 42 args = argp.parse_args() 43 socket.create_connection([args.server_host, args.server_port], 44 timeout=args.timeout) 45 46 47if __name__ == '__main__': 48 main() 49