| Index: net/tools/testserver/testserver_base.py
 | 
| diff --git a/net/tools/testserver/testserver_base.py b/net/tools/testserver/testserver_base.py
 | 
| new file mode 100644
 | 
| index 0000000000000000000000000000000000000000..076943e9dbed431103f8ddac3302d31831dc4c58
 | 
| --- /dev/null
 | 
| +++ b/net/tools/testserver/testserver_base.py
 | 
| @@ -0,0 +1,126 @@
 | 
| +# Copyright (c) 2012 The Chromium Authors. All rights reserved.
 | 
| +# Use of this source code is governed by a BSD-style license that can be
 | 
| +# found in the LICENSE file.
 | 
| +
 | 
| +import json
 | 
| +import optparse
 | 
| +import os
 | 
| +import struct
 | 
| +import sys
 | 
| +import warnings
 | 
| +
 | 
| +# Ignore deprecation warnings, they make our output more cluttered.
 | 
| +warnings.filterwarnings("ignore", category=DeprecationWarning)
 | 
| +
 | 
| +if sys.platform == 'win32':
 | 
| +  import msvcrt
 | 
| +
 | 
| +
 | 
| +class Error(Exception):
 | 
| +  """Error class for this module."""
 | 
| +
 | 
| +
 | 
| +class OptionError(Error):
 | 
| +  """Error for bad command line options."""
 | 
| +
 | 
| +
 | 
| +class FileMultiplexer(object):
 | 
| +  def __init__(self, fd1, fd2) :
 | 
| +    self.__fd1 = fd1
 | 
| +    self.__fd2 = fd2
 | 
| +
 | 
| +  def __del__(self) :
 | 
| +    if self.__fd1 != sys.stdout and self.__fd1 != sys.stderr:
 | 
| +      self.__fd1.close()
 | 
| +    if self.__fd2 != sys.stdout and self.__fd2 != sys.stderr:
 | 
| +      self.__fd2.close()
 | 
| +
 | 
| +  def write(self, text) :
 | 
| +    self.__fd1.write(text)
 | 
| +    self.__fd2.write(text)
 | 
| +
 | 
| +  def flush(self) :
 | 
| +    self.__fd1.flush()
 | 
| +    self.__fd2.flush()
 | 
| +
 | 
| +
 | 
| +class TestServerRunner(object):
 | 
| +  """Runs a test server and communicates with the controlling C++ test code.
 | 
| +
 | 
| +  Subclasses should override the create_server method to create their server
 | 
| +  object, and the add_options method to add their own options.
 | 
| +  """
 | 
| +
 | 
| +  def __init__(self):
 | 
| +    self.option_parser = optparse.OptionParser()
 | 
| +    self.add_options()
 | 
| +
 | 
| +  def main(self):
 | 
| +    self.options, self.args = self.option_parser.parse_args()
 | 
| +
 | 
| +    logfile = open('testserver.log', 'w')
 | 
| +    sys.stderr = FileMultiplexer(sys.stderr, logfile)
 | 
| +    if self.options.log_to_console:
 | 
| +      sys.stdout = FileMultiplexer(sys.stdout, logfile)
 | 
| +    else:
 | 
| +      sys.stdout = logfile
 | 
| +
 | 
| +    server_data = {
 | 
| +      'host': self.options.host,
 | 
| +    }
 | 
| +    self.server = self.create_server(server_data)
 | 
| +    self._notify_startup_complete(server_data)
 | 
| +    self.run_server()
 | 
| +
 | 
| +  def create_server(self, server_data):
 | 
| +    """Creates a server object and returns it.
 | 
| +
 | 
| +    Must populate server_data['port'], and can set additional server_data
 | 
| +    elements if desired."""
 | 
| +    raise NotImplementedError()
 | 
| +
 | 
| +  def run_server(self):
 | 
| +    try:
 | 
| +      self.server.serve_forever()
 | 
| +    except KeyboardInterrupt:
 | 
| +      print 'shutting down server'
 | 
| +      self.server.stop = True
 | 
| +
 | 
| +  def add_options(self):
 | 
| +    self.option_parser.add_option('--startup-pipe', type='int',
 | 
| +                                  dest='startup_pipe',
 | 
| +                                  help='File handle of pipe to parent process')
 | 
| +    self.option_parser.add_option('--log-to-console', action='store_const',
 | 
| +                                  const=True, default=False,
 | 
| +                                  dest='log_to_console',
 | 
| +                                  help='Enables or disables sys.stdout logging '
 | 
| +                                  'to the console.')
 | 
| +    self.option_parser.add_option('--port', default=0, type='int',
 | 
| +                                  help='Port used by the server. If '
 | 
| +                                  'unspecified, the server will listen on an '
 | 
| +                                  'ephemeral port.')
 | 
| +    self.option_parser.add_option('--host', default='127.0.0.1',
 | 
| +                                  dest='host',
 | 
| +                                  help='Hostname or IP upon which the server '
 | 
| +                                  'will listen. Client connections will also '
 | 
| +                                  'only be allowed from this address.')
 | 
| +
 | 
| +  def _notify_startup_complete(self, server_data):
 | 
| +    # Notify the parent that we've started. (BaseServer subclasses
 | 
| +    # bind their sockets on construction.)
 | 
| +    if self.options.startup_pipe is not None:
 | 
| +      server_data_json = json.dumps(server_data)
 | 
| +      server_data_len = len(server_data_json)
 | 
| +      print 'sending server_data: %s (%d bytes)' % (
 | 
| +        server_data_json, server_data_len)
 | 
| +      if sys.platform == 'win32':
 | 
| +        fd = msvcrt.open_osfhandle(self.options.startup_pipe, 0)
 | 
| +      else:
 | 
| +        fd = self.options.startup_pipe
 | 
| +      startup_pipe = os.fdopen(fd, "w")
 | 
| +      # First write the data length as an unsigned 4-byte value.  This
 | 
| +      # is _not_ using network byte ordering since the other end of the
 | 
| +      # pipe is on the same machine.
 | 
| +      startup_pipe.write(struct.pack('=L', server_data_len))
 | 
| +      startup_pipe.write(server_data_json)
 | 
| +      startup_pipe.close()
 | 
| 
 |