Fix backoff_server.py python scripts in src/net

backoff_server.py wasn't using LF EOL so the CQ couldn't be used.

Make sure that:
- shebang is only present for executable files
- shebang is #!/usr/bin/env python
- __main__ is only present for executable files
- file's executable bit is coherent

Also fix EOF LF to be only one.

TBR=akalin@chromium.org
BUG=105108
TEST=

Review URL: http://codereview.chromium.org/8678013

git-svn-id: http://src.chromium.org/svn/trunk/src/net/tools/testserver@111356 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
diff --git a/backoff_server.py b/backoff_server.py
old mode 100644
new mode 100755
index 783fd83..3c6db1f
--- a/backoff_server.py
+++ b/backoff_server.py
@@ -1,114 +1,114 @@
-#!/usr/bin/python2.4

-# Copyright (c) 2011 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.

-

-"""This is a simple HTTP server for manually testing exponential

-back-off functionality in Chrome.

-"""

-

-

-import BaseHTTPServer

-import sys

-import urlparse

-

-

-AJAX_TEST_PAGE = '''

-<html>

-<head>

-<script>

-

-function reportResult(txt) {

-  var element = document.createElement('p');

-  element.innerHTML = txt;

-  document.body.appendChild(element);

-}

-

-function fetch() {

-  var response_code = document.getElementById('response_code');

-

-  xmlhttp = new XMLHttpRequest();

-  xmlhttp.open("GET",

-               "http://%s:%d/%s?code=" + response_code.value,

-               true);

-  xmlhttp.onreadystatechange = function() {

-    reportResult(

-        'readyState=' + xmlhttp.readyState + ', status=' + xmlhttp.status);

-  }

-  try {

-    xmlhttp.send(null);

-  } catch (e) {

-    reportResult('Exception: ' + e);

-  }

-}

-

-</script>

-</head>

-<body>

-<form action="javascript:fetch()">

-  Response code to get: <input id="response_code" type="text" value="503">

-  <input type="submit">

-</form>

-</body>

-</html>'''

-

-

-class RequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):

-  keep_running = True

-  local_ip = ''

-  port = 0

-

-  def do_GET(self):

-    if self.path == '/quitquitquit':

-      self.send_response(200)

-      self.send_header('Content-Type', 'text/plain')

-      self.end_headers()

-      self.wfile.write('QUITTING')

-      RequestHandler.keep_running = False

-      return

-

-    if self.path.startswith('/ajax/'):

-      self.send_response(200)

-      self.send_header('Content-Type', 'text/html')

-      self.end_headers()

-      self.wfile.write(AJAX_TEST_PAGE % (self.local_ip,

-                                         self.port,

-                                         self.path[6:]))

-      return

-

-    params = urlparse.parse_qs(urlparse.urlparse(self.path).query)

-

-    def SendCustomRetryIfRequested():

-      if params and 'custom-retry-after' in params:

-        custom_retry = params['custom-retry-after'][0]

-        self.send_header('X-Retry-After', custom_retry)

-

-    if not params or not 'code' in params or params['code'][0] == '200':

-      self.send_response(200)

-      self.send_header('Content-Type', 'text/plain')

-      SendCustomRetryIfRequested()

-      self.end_headers()

-      self.wfile.write('OK')

-    else:

-      status_code = int(params['code'][0])

-      self.send_response(status_code)

-      SendCustomRetryIfRequested()

-      self.end_headers()

-      self.wfile.write('Error %d' % int(status_code))

-

-

-def main():

-  if len(sys.argv) != 3:

-    print "Usage: %s LOCAL_IP PORT" % sys.argv[0]

-    sys.exit(1)

-  RequestHandler.local_ip = sys.argv[1]

-  port = int(sys.argv[2])

-  RequestHandler.port = port

-  print "To stop the server, go to http://localhost:%d/quitquitquit" % port

-  httpd = BaseHTTPServer.HTTPServer(('', port), RequestHandler)

-  while RequestHandler.keep_running:

-    httpd.handle_request()

-

-

-if __name__ == '__main__':

-  main()

+#!/usr/bin/env python
+# Copyright (c) 2011 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.
+
+"""This is a simple HTTP server for manually testing exponential
+back-off functionality in Chrome.
+"""
+
+
+import BaseHTTPServer
+import sys
+import urlparse
+
+
+AJAX_TEST_PAGE = '''
+<html>
+<head>
+<script>
+
+function reportResult(txt) {
+  var element = document.createElement('p');
+  element.innerHTML = txt;
+  document.body.appendChild(element);
+}
+
+function fetch() {
+  var response_code = document.getElementById('response_code');
+
+  xmlhttp = new XMLHttpRequest();
+  xmlhttp.open("GET",
+               "http://%s:%d/%s?code=" + response_code.value,
+               true);
+  xmlhttp.onreadystatechange = function() {
+    reportResult(
+        'readyState=' + xmlhttp.readyState + ', status=' + xmlhttp.status);
+  }
+  try {
+    xmlhttp.send(null);
+  } catch (e) {
+    reportResult('Exception: ' + e);
+  }
+}
+
+</script>
+</head>
+<body>
+<form action="javascript:fetch()">
+  Response code to get: <input id="response_code" type="text" value="503">
+  <input type="submit">
+</form>
+</body>
+</html>'''
+
+
+class RequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
+  keep_running = True
+  local_ip = ''
+  port = 0
+
+  def do_GET(self):
+    if self.path == '/quitquitquit':
+      self.send_response(200)
+      self.send_header('Content-Type', 'text/plain')
+      self.end_headers()
+      self.wfile.write('QUITTING')
+      RequestHandler.keep_running = False
+      return
+
+    if self.path.startswith('/ajax/'):
+      self.send_response(200)
+      self.send_header('Content-Type', 'text/html')
+      self.end_headers()
+      self.wfile.write(AJAX_TEST_PAGE % (self.local_ip,
+                                         self.port,
+                                         self.path[6:]))
+      return
+
+    params = urlparse.parse_qs(urlparse.urlparse(self.path).query)
+
+    def SendCustomRetryIfRequested():
+      if params and 'custom-retry-after' in params:
+        custom_retry = params['custom-retry-after'][0]
+        self.send_header('X-Retry-After', custom_retry)
+
+    if not params or not 'code' in params or params['code'][0] == '200':
+      self.send_response(200)
+      self.send_header('Content-Type', 'text/plain')
+      SendCustomRetryIfRequested()
+      self.end_headers()
+      self.wfile.write('OK')
+    else:
+      status_code = int(params['code'][0])
+      self.send_response(status_code)
+      SendCustomRetryIfRequested()
+      self.end_headers()
+      self.wfile.write('Error %d' % int(status_code))
+
+
+def main():
+  if len(sys.argv) != 3:
+    print "Usage: %s LOCAL_IP PORT" % sys.argv[0]
+    sys.exit(1)
+  RequestHandler.local_ip = sys.argv[1]
+  port = int(sys.argv[2])
+  RequestHandler.port = port
+  print "To stop the server, go to http://localhost:%d/quitquitquit" % port
+  httpd = BaseHTTPServer.HTTPServer(('', port), RequestHandler)
+  while RequestHandler.keep_running:
+    httpd.handle_request()
+
+
+if __name__ == '__main__':
+  main()