Added function getFreePort

elocatel

23.51.2008 d4d68ced26f9671bd80232fb5c194b75b85e4d7e

Added function getFreePort

 opends/tests/shared/functions/utils.xml

@@ -1979,4 +1979,52 @@
      </if>
    </sequence>
  </function>
  
  
  
  <function name="getFreePort" scope="local">
    <function-description>
      Returns the first free TCP port greater or equal to given number
    </function-description>
    <function-map-args>
      <function-arg-def name="host" type="optional" default="STAXServiceMachine">
        <function-arg-description>
          Which machine to look for the free port
        </function-arg-description>
      </function-arg-def>
      <function-arg-def name="port" type="required">
        <function-arg-description>
          The minimal port number to be returned
        </function-arg-description>
      </function-arg-def>
    </function-map-args>
    <sequence>
      <script>
        # returns first free port in [port; port+5]
        # if no free port in this interval, return -1
        import socket
        import sys
        s = None
        i = 0
        while 1:
          try:
            i = i + 1
            if i > 5:
              port = -1
              break
            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            s.bind(host, port)
            s.listen(1)
            s.close()
            break
          except socket.error:
            if s:
              s.close()
            port = port + 1
      </script>
      <return>port</return>
    </sequence>
  </function>

  
</stax>