| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748 | #!/usr/bin/env python2.7# Copyright 2015 gRPC authors.## Licensed 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."""Opens a TCP connection to a specified server and then exits."""import argparseimport socketimport threadingimport timeimport sysdef main():    argp = argparse.ArgumentParser(        description='Open a TCP handshake to a server')    argp.add_argument('-s',                      '--server_host',                      default=None,                      type=str,                      help='Server host name or IP.')    argp.add_argument('-p',                      '--server_port',                      default=0,                      type=int,                      help='Port that the server is listening on.')    argp.add_argument('-t',                      '--timeout',                      default=1,                      type=int,                      help='Force process exit after this number of seconds.')    args = argp.parse_args()    socket.create_connection([args.server_host, args.server_port],                             timeout=args.timeout)if __name__ == '__main__':    main()
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