| #!/usr/bin/python |
| # Copyright 2015 Google Inc. All Rights Reserved. |
| # |
| # 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. |
| |
| """Helper function to send a UDP packet to a specified IP address/port.""" |
| |
| __author__ = 'hunguyen@google.com (Huy Nguyen)' |
| |
| import argparse |
| import socket |
| |
| |
| def GetArgs(): |
| """Parses and returns arguments passed in.""" |
| parser = argparse.ArgumentParser(prog='udp_send') |
| parser.add_argument('--hostname', help='IP address to send.', required=True) |
| parser.add_argument('--port', help='Port number to send.', required=True) |
| parser.add_argument('--data', help='Data to send.', required=True) |
| args = parser.parse_args() |
| return str(args.hostname), int(args.port), str(args.data) |
| |
| |
| def main(): |
| hostname, port, data = GetArgs() |
| sock = socket.socket(socket.AF_INET, # Internet |
| socket.SOCK_DGRAM) # UDP |
| sock.sendto(data, (hostname, port)) |
| |
| |
| if __name__ == '__main__': |
| main() |
