lighttpd_server.py 文件源码

def _TestServerConnection(self):
    # Wait for server to start
    server_msg = ''
    for timeout in xrange(1, 5):
      client_error = None
      try:
        with contextlib.closing(httplib.HTTPConnection(
            '127.0.0.1', self.port, timeout=timeout)) as http:
          http.set_debuglevel(timeout > 3)
          http.request('HEAD', '/')
          r = http.getresponse()
          r.read()
          if (r.status == 200 and r.reason == 'OK' and
              r.getheader('Server') == self.server_tag):
            return (None, server_msg)
          client_error = ('Bad response: %s %s version %s\n  ' %
                          (r.status, r.reason, r.version) +
                          '\n  '.join([': '.join(h) for h in r.getheaders()]))
      except (httplib.HTTPException, socket.error) as client_error:
        pass  # Probably too quick connecting: try again
      # Check for server startup error messages
      ix = self.process.expect([pexpect.TIMEOUT, pexpect.EOF, '.+'],
                               timeout=timeout)
      if ix == 2:  # stdout spew from the server
        server_msg += self.process.match.group(0) # pylint: disable=no-member
      elif ix == 1:  # EOF -- server has quit so giveup.
        client_error = client_error or 'Server exited'
        break
    return (client_error or 'Timeout', server_msg)