1 #!/usr/bin/python2 2 # 3 # Copyright (c) 2011-2014, Intel Corporation 4 # All rights reserved. 5 # 6 # Redistribution and use in source and binary forms, with or without modification, 7 # are permitted provided that the following conditions are met: 8 # 9 # 1. Redistributions of source code must retain the above copyright notice, this 10 # list of conditions and the following disclaimer. 11 # 12 # 2. Redistributions in binary form must reproduce the above copyright notice, 13 # this list of conditions and the following disclaimer in the documentation and/or 14 # other materials provided with the distribution. 15 # 16 # 3. Neither the name of the copyright holder nor the names of its contributors 17 # may be used to endorse or promote products derived from this software without 18 # specific prior written permission. 19 # 20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 22 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 23 # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 24 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 25 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 27 # ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 import sys, socket 32 33 serversock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 34 try: 35 # Create a listening socket on a random available port on localhost 36 serversock.bind(('127.0.0.1',0)) 37 serversock.listen(0) 38 39 # Print the chosen port 40 print(serversock.getsockname()[1]) 41 serversock.close() 42 43 except socket.error, (errno,message): 44 sys.stderr.write("portAllocator: Socket creation error " + str(errno) + ": " + message + '\n') 45 if serversock: 46 serversock.close() 47 sys.exit(1) 48 49