[Telemetry] Reorganize everything.

tools/telemetry/telemetry/temporary_http_server.py

-# 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 os
-import socket
-import subprocess
-import sys
-import urlparse
-
-from telemetry import util
-
-class TemporaryHTTPServer(object):
-  def __init__(self, browser_backend, path):
-    self._server = None
-    self._devnull = None
-    self._path = path
-    self._forwarder = None
-
-    self._host_port = util.GetAvailableLocalPort()
-
-    assert os.path.exists(path), path
-    assert os.path.isdir(path), path
-
-    self._devnull = open(os.devnull, 'w')
-    self._server = subprocess.Popen(
-        [sys.executable, '-m', 'SimpleHTTPServer', str(self._host_port)],
-        cwd=self._path,
-        stdout=self._devnull, stderr=self._devnull)
-
-    self._forwarder = browser_backend.CreateForwarder(
-        util.PortPair(self._host_port,
-                      browser_backend.GetRemotePort(self._host_port)))
-
-    def IsServerUp():
-      return not socket.socket().connect_ex(('localhost', self._host_port))
-    util.WaitFor(IsServerUp, 5)
-
-  @property
-  def path(self):
-    return self._path
-
-  def __enter__(self):
-    return self
-
-  def __exit__(self, *args):
-    self.Close()
-
-  def __del__(self):
-    self.Close()
-
-  def Close(self):
-    if self._forwarder:
-      self._forwarder.Close()
-      self._forwarder = None
-    if self._server:
-      self._server.kill()
-      self._server = None
-    if self._devnull:
-      self._devnull.close()
-      self._devnull = None
-
-  @property
-  def url(self):
-    return self._forwarder.url
-
-  def UrlOf(self, path):
-    return urlparse.urljoin(self.url, path)